Liebert TM-10098 manual

Large Systems iCOM Microprocessor Environmental Training and Service Manual TM-10098: Rev. 02/06[...]

iCOM Control Training and Service Manual iCOM Training & Service Manual 1[...]

iCOM Controls Training and Service Manual Disclaimer of Warranties and Limitations of Liabilities The authors and editors have taken every pr ecaution to ensure accuracy and completeness in this manual. The authors and editors make no expressed or im plied warranty of any kind with regard to the documentation in th is manual. Liebert Corporation as[...]

iCOM Control Training and Service Manual Table of Contents Cha p ter 1: Tem p erature/ Humidit y Control 6 Temperature Control Types 6 Intelligent Control 6 Proportional Control 8 Proportional + Integral (PI) Control 8 Proportional + Integral + Derivative (PID) Control 9 Temperature Control 11 Operations and Charts 11 2 Stage Compressorized 11 4 St[...]

iCOM Controls Training and Service Manual Cha p ter 2: Pro g rammin g Functions 52 Programming Functions 52 iCOM Display Components and Functions 53 iCOM Keypad Layout Descriptions 54 iCOM Display Symbols/ Icons 55 Programming Functions 56 Status Display Screens 56 Menu Screens – Icons/ Parameter Names 57 User Menu Icons and Descriptions 58 Servi[...]

iCOM Control Training and Service Manual Unit Control Board: Opto-Isolator/ Triac Legends 121 iCOM Diagnostics/ Service Mode Programs 123 Basic Troubleshooting Steps 124 Moisture Content Charts 126 Suction Transducer Information 143 Digital Scroll High Tem perature Sensor Chart 144 Unit Code Description 145 Troubleshooting Checklist 146 Glossary of[...]

iCOM Controls Training and Service Manual Chapter 1 Temperature and Humidity Control Programs This section provides details on how your Liebert iCOM control responds to the user programmed inputs values and room co nditions. Refer to this section when you need specific information control operati on. This section includes details on four (4) user s[...]

iCOM Control Training and Service Manual untrue type of statement is not used. T he consideration now is how to set the input value into a membership set, qualify this membership with rules, then decide on the output consequence for action. It is not really that simple, but it is basically how it works. The process: Membership • Measure value of [...]

iCOM Controls Training and Service Manual more efficient and precise for most applications, but system performance based on room conditions is not as predictable as standard approaches that use a fixed equation. The Liebert Intelligent Control includes rules that significantly enhance the performance of the system, both from a st andpoint of precis[...]

iCOM Control Training and Service Manual The integral (I) term is determined by tw o things: the difference between the return air temperature and control set point and t he amount of time this difference has existed. This term is expressed in % cooling (heating) desired for each minute and degree above (below) the set point. It is adjustable from [...]

iCOM Controls Training and Service Manual A suggested tuning procedure is as follows: 1. Initially adjust the integral and de rivative settings to 0% / degree-min and 0% / degree / min.. 2. Starting with 20% / degree, adjust the proportional setting in small increments (10% steps) until the control sustai ns a constant hunting action (the temperatu[...]

iCOM Control Training and Service Manual Temperature Control Operations and Charts The temperature proporti onal control band value is divided into two parts: the temperature set point plus ½ of the temperature proportional band for cooling operation and the temperature set point mi nus ½ of the temperature proportional band for heating operation[...]

iCOM Controls Training and Service Manual The temperature controller deactivate s the second stage of cooling (lag compressor) when the return air temperature decreases to 50% of the cooling proportional control band value. The fi rst cooling stage (lead compressor) is deactivated when the return air temperat ure decreases to the temperature set po[...]

iCOM Control Training and Service Manual 2 Stage Compressorized Coo ling – With Dead Band Temp Set Point: 70 ° F Proportional Band: 8 ° F Dead Band: 2 ° F 70 71 72 73 74 7 5 Increasin g Temperature Cool 1 On Cool 1 Off Cool 2 On Cool 2 Off Temp Set Point + (1/2 Dead Band + 1/2 Proportional Band) DB Note: in the above example that the control b[...]

iCOM Controls Training and Service Manual and will be supplied with an electrical cyl inder unloader valve. The electrical solenoid valve used to unload or reduce t he cooling capacity of the compressor. The compressors will operate in an on/ o ff - loaded/ unloaded configuration method to cool the space. The hot gas bypass solenoid valve option is[...]

iCOM Control Training and Service Manual 4 Stage Compressorized Co oling – No Dead Band Temp Set Point: 70 ° F Proportional Band: 8 ° F 70 71 72 73 74 7 5 Increasin g Temperature Cool 1 On Cool 1 Off Cool 4 On Cool 3 Off Temp Set Point + (1/2 Proportional Band) Cool 2 On Cool 3 On Cool 4 Off Cool 2 Off Note: in the above example that the contro[...]

iCOM Controls Training and Service Manual The example below is based on a temperature set point of 70 ° F with a control band length of 4 ° F, which is ½ of the programm ed temperature proportional band value. STAGE TEMPERATURE Cool 1 ON Set point plus 1 ° F Cool 2 ON Set point plus 2 ° F Cool 3 ON Set point plus 3 ° F Cool 4 ON Set point plu[...]

iCOM Control Training and Service Manual As the return air temperature increases Cooling 1, lead compressor unloaded, is activated at 72 ° F or ½ of the dead band value plus 25% of the cooling control band. If the return air temperature continues to increase Cooling 2, lag compressor unloaded, will activate at 73 ° F or ½ of the dead band value[...]

iCOM Controls Training and Service Manual Optional Dual Compressor Digital Scroll Operation 2 compressor operation C1 C2 Start/ sto p PWM 20 35 70 100 35 70 0% 50 25 On Of f 10 20 Of f On p ressor ON Swit ch 1 com st Swit ch 2 n d compressor ON 1 com p ressor o p eration In the chart above we are defining the Digital Compressor start and stop at th[...]

iCOM Control Training and Service Manual temperature is at least 8 ° F below the return air temperature, or 3 ° F lower than the return air temperature for two consecutive hours. When the microprocessor decides that the return glycol fl uid temperature is cold enough the first cooling band is the modul ating valve control method, and the second b[...]

iCOM Controls Training and Service Manual Glycool at 50% Capacity – No Dead Band Temp Set Point: 70 ° Proportional Band: 8 ° 70 71 72 73 74 75 76 77 78 79 Increasin g Temperature Band 1 Glycool Valve Band 2 Compressors Valve Closed 100% Open Cool 1 On Cool 2 On Temp Set Point + (1/2 Proportiona l Band + 1/2 Proportional Ba nd) Dual Source Cooli[...]

iCOM Control Training and Service Manual 2-Stage or 4-Stage control me thod. If the chilled water temperature is not cold enough the valve control band is replaced by the compressor band. Dual Cooling at 100% Cap acity – No Dead Band Temp Set Point: 70 ° Proportional Band: 8 ° 70 71 72 73 74 7 5 76 77 78 79 Increasin g Temperature Band 1 Chille[...]

iCOM Controls Training and Service Manual of the heating proportional band. The th ird electric heating stage activates when the return air temperature decreases to 100% of the heating pr oportional band. The temperature controller deactivates t he third heating stage when the return air temperature increases to 66% of the heat ing proportional con[...]

iCOM Control Training and Service Manual 3 Stage Electric Reheat – With Dead Band Temp Set Point: 70 ° F Proportional Band: 8 ° F Dead Band: 2 ° F 65 66 67 68 69 7 0 Decreasin g Temperature Temp Set Point - (1/2 Dead Band + 1/2 Proportional Band) DB Reheat 1 On Reheat 3 On Reheat 2 On Reheat 3 Off Reheat 2 Off Reheat 1 Off Note: in the above e[...]

iCOM Controls Training and Service Manual Humidity Control Humidification and/ or Dehumidification Required, in Percent (%) The humidity control programs for the iCOM microprocessor is based on a calculated percent (%RH) requi rement for humidification and/ or dehumidificat ion. This percent (%RH) require ment is determined by the control type (alg[...]

iCOM Control Training and Service Manual Temperature Set Point Humidity Set Point Humidity Proportional Band = 6% Content Level Grains per LB. 75 ° F 50% +3% 59.2 75 ° F 50% -3% 52.5 The Absolute (Predictive) Humidity Cont rol Flowchart shows what the program is doing and why. Programmed Values Temp Set Point Humidity Set Point Humidit y Pro p or[...]

iCOM Controls Training and Service Manual Relative Humidity Control Relative humidity control is based on the hum idity content in the return air. The iCOM microprocessor control determines the unit humidification/ dehumidification operation by comparing the return air humid ity value to the control band that is determined by the: • Programmed hu[...]

iCOM Control Training and Service Manual Infrared Humidification – No Dead Band Humid Set Point: 50% Proportional Band: 8% 45 46 47 48 49 5 0 Decreasing Humidity Humidification On Humidification Off Humidity Set Point - (1/2 Proportional Band) Note: in the above example that the cont rol band begins at the 50% humidity set point and has a length [...]

iCOM Controls Training and Service Manual Infrared Humidification – With Dead Band Humid Set Point: 50% Proportional Band: 8% Dead Band: 2% 45 46 47 48 49 5 0 Increasin g Temperatu r e Humidification On Humidification Off Humidity Set Point - (1/2 Dead Band + 1/2 Proportional Band) DB Note: in the above example that the c ontrol band begins at t [...]

iCOM Control Training and Service Manual If the off time is less than 15 hours (or us er programmed value) the pre-fill program is bypassed and the infrared lamps and water valve are activated at the same time to fill the pan to the proper water level and initiate humidification. During normal infrared humidification operation the water makeup valv[...]

iCOM Controls Training and Service Manual Dehumidification Operation The Relative Humidity control program is used to illustrate the dehumidification operation in the following examples. T he basic dehumidification control band is established at the humidity set point with the length equal to ½ of the programmed humidity proportional band value. T[...]

iCOM Control Training and Service Manual Note: in the above example that the c ontrol band begins at t he 50% humidity set point and has a length of 4%, which is ½ of the programmed humidity proportional band value. As the return air humidity increases, dehum idification operation is activated at 54%RH or 100% of the dehumidification control band.[...]

iCOM Controls Training and Service Manual The humidity controller activates the firs t stage of dehumidification operation when the return air humidity level increases to 50% of the humidity pr oportional band. The second stage of dehumidif ication is activated when the return air humidity level increases to 100% of t he humidity proportional band.[...]

iCOM Control Training and Service Manual When the return air humidity level decreases to 52%RH or 50% of the dehumidification control band the second dehum idification stage is deactivated. When the return air humidity level decreases to the humidity set point of 50% or 0% of the humidity proportional band the first dehumidification stage is deacti[...]

iCOM Controls Training and Service Manual dehumidification process. T he end user can choose to se lect from the following selections: Parameter Operation No No electric reheat allowed during compressorized dehumidification operation. Normal Electric reheat operates as normal. A decrease in return air temperature bel ow set point will start reheats[...]

iCOM Control Training and Service Manual Additional Programs Start The unit fan is activated. The unit can be switched on/ off from 2 inputs: 1. Remote on/ off input (RSD – Remote Shutdown Device) 2. Display button Note: Switches 1 and 2 are in series; the unit will start only if bot h switches are in the on position. If either switch is in the o[...]

iCOM Controls Training and Service Manual Fan Alarm / Fan settings The fan operation is controlled by two (2) digital devices: the Loss of Airflow differential pressure switch and the Main fan Overload motor protection. The time delay at the unit start is always 5 seconds shorter than the control delay. High Pressure Cutout The control uses high he[...]

iCOM Control Training and Service Manual The Startup and Freeze Protection Program The sequence for the call for cooling with the program features is as follows: The need for cooling is defined by the cont rol setting for the temperature setpoint, proportional band, and deadband (if us ed). At this point the Winter Start Kit (WSK) time delay is the[...]

iCOM Controls Training and Service Manual during the second time frame the cooli ng process locks off and will require a power off sequence. Next Maintenance Calculation Foreword The next maintenance calculation will help r un the Liebert Environmental unit in an optimum way, to ensure minimum co mponents stress resulting in increased reliability. [...]

iCOM Control Training and Service Manual The control always takes the component wit h the most on/ off (cycling) as the reference component, which asking for the nearest maintenance (example: if the fan runs continuously, but the compressor switches on/off all the time, the next maintenance will be calculat ed from the compressor). Alarms or warnin[...]

iCOM Controls Training and Service Manual Starts per Day Optimum: the number of individual component starts that is considered as good or optimum. To be set by Service Engineer. Starts per Day Worst: the number of individual co mponent starts that is considered as “hunting” or worst case . To be set by Service Engineer. Number of Alarms: counts[...]

iCOM Control Training and Service Manual Freecooling and Dual cooling will operate in the same manner as chilled water with the supervision of the Supply Limit, agai n showing different valve positions on the units If in a Freecooling or Dual Cooling unit if the limit of the coil operation is detected (no free cooling or no CW available) the valve [...]

iCOM Controls Training and Service Manual The Basics for Cooling Unit Placement: Installation instructions are found in t he product manuals for the Cooling units. Networking setup should include t hese additional factors for planning. • Locations of heat loads in conditioned space. • Air distribution for cooling. • Number of operating units [...]

iCOM Control Training and Service Manual 6. Each set of unit control boards must be set up individually, then connected to the network switch and checked before the next board can be setup 6a. Large Displays and Control Boards must each be programmed with a different IP Address. Example: Display: 192.168.254.001 Example: Control Bo ard: 192.168.254[...]

iCOM Controls Training and Service Manual Setting Parameters Example: 2 Units with Small Display’s All Network parameters are viewed and programmed using the Service Menu function and by selecting the Network Setup Icon The following example references menu lines on the Network Setup screen: Line S802: Number units connected: xx (2) Line S803: Te[...]

iCOM Control Training and Service Manual Example: 2 Units, One Large Di splay and One Small Display All Network parameters are viewed and programmed using the Service Menu function and by selecting the Network Setup Icon The following example references menu lines on the Network Setup screen: Line S802: Number units connected: xx (2) Line S803: Tea[...]

iCOM Controls Training and Service Manual Example: Large Wall Display and Fi ve Units with Small Displays All Network parameters are viewed and programmed using the Service Menu function and by selecting the Network Setup Icon The following example references menu lines on the Network Setup screen: Line S802: Number units connected: xx (01 - 32) Li[...]

iCOM Control Training and Service Manual Example: 4 Units in 2 Groups with 2 Large Displays All Network parameters are viewed and programmed using the Service Menu function and by selecting the Network Setup Icon The following example references m enu lines on the Network Setup screen: Line S802: Number units connected: xx (01 - 32) Line S803: Team[...]

iCOM Controls Training and Service Manual Teamwork Teamwork Modes Teamwork is the ability to group unit functi onality, while connected in a network, to provide the ability to work together as a team and address control functions in three different teamwork modes: “No” Teamwork In this mode all units are working indepen dently for control and f[...]

iCOM Control Training and Service Manual Teamwork Mode 2 In teamwork mode 2 all system parameter s are shared equally as in teamwork mode 1. The lead unit will define the temperature and humidity averages for the operational needs if there is a request fo r cooling, heating, dehumidification or humidification. If there is a temperature control requ[...]

iCOM Controls Training and Service Manual The Lead/ Lag function may be used in the either the No Teamwork Mode, in Teamwork 1 Mode and in Teamwork 2 Mode. One or more units can be defined as lag (standby), the normal status of the lag (standby) unit(s) is off. The lag or standby function can be performed as a daily rotation (setting the time), wee[...]

iCOM Control Training and Service Manual Notes: 51[...]

iCOM Controls Training and Service Manual Chapter 2 Programming Functions The standard iCOM control is supplied with a fr ont panel mounted small display screen display which features a 128 x 64 dot matrix graphics. The display provides both descriptive text readouts and two (2) menu icons. The optional large screen display features a 320 x 240 dot[...]

iCOM Control Training and Service Manual iCOM Display Components and Functions The large display is shown for reference. The keypad and LEDs are identical on all displays. Liquid Crystal display LED Status Indicators Top LED is red or flashing red - alarm, Bottom LED is amber (power on) or green (unit on) Keypad iCOM Keyboard Layout: The iCOM contr[...]

iCOM Controls Training and Service Manual iCOM Keyboard Layout: Icon Key Name Function On/ Off Key Controls the operation state of the unit. Alarm Key Silences the audible alarm. Help Key Accesses the integrated help menus. ESCape Key Returns to the previous display. Enter Key Confirms all selections, icons and text. Increase Key (Up Arrow) Moves u[...]

iCOM Control Training and Service Manual iCOM Display Symbols/ Icons hot water el. heaters dehum hum horn fan co m pressor fr eecoo ling m aintenance The iCOM programming functions are separat ed into three (3) basic menus: • User Menu • Service Menu • Advanced Menu When the desired icon has been se lected, press the enter ke y. If the select[...]

iCOM Controls Training and Service Manual Programming Functions Status Display T he unit display will show the unit operati onal mode(s), return air temperature/ humidity readings and if active present al arm conditions. The end user can select from two (2) display types , graphical or simple. System View Screen Graphic Unit View Screen Simple The [...]

iCOM Control Training and Service Manual Menu Screens ICON Symbols Menu Parameters Names Level 1: User Level 2: Service Level 3: Advanced Readable w/o password PW required to program Readable w/o password PW required to program PW required to read or program 1 Setpoints Setpoints Factory Settings 2 Spare Parts List Unit Diary 3 Events Log/ Status R[...]

iCOM Controls Training and Service Manual User Menu Icons and Descriptions: Icon Name Descriptions Available Display °C/ °F % RH SET Set Points To view and change temperature and humidity set points Small and Large Spare Parts List Displays the spare parts list of the unit Large Event Log Contains a log of the last 400 events Small and Large Grap[...]

iCOM Control Training and Service Manual Service Menu Icons and Descriptions: Icon Name Descriptions Available Display °C/ °F % RH SET Set Points To view and change temperature and humidity set points Small and Large Unit Diary Is a notepad containing notes from the service person or customer Large Standby Settings Programs lead/ lag setup when m[...]

iCOM Controls Training and Service Manual Advanced Menu Icons and Descriptions: Icon Name Descriptions Available Display Factory Settings Factory configuration files. Do Not Change Settings Consult the Factory First Small and Large Change Passwords Allows the user to change the various passwords Small and Large Menu Parameters All of the various pa[...]

iCOM Control Training and Service Manual User Menu: Set Point Parameters U100 series Menu Line Parameter Default Range U101 Password - - U102 Temperature Setpoint 73ºF 41 - 104ºF U103 Humidity Setpoint 50% 1 – 80% U104 Humidity Control Type Yes Yes or No U105 Supply Limit Disabled Disabled or Enabled U106 Supply Limit Temp Value 41 ° F 41 - 77[...]

iCOM Controls Training and Service Manual User Menu: Graphics Parameters Parameter Default Range System Temperature Time Scale 24 Hours 8, 32 min or 1, 12, 24 hours or 2, 4, 8, 16 days System Temperat ure Graph Height 9ºF ±36ºF System Humidity Time Scale 24 Hours 8, 32 min or 1, 12, 24 hours or 2, 4, 8, 16 days System Humidity Graph Height 10% ?[...]

iCOM Control Training and Service Manual User Menu: Set Alarm Parameters U200 series Menu Line Parameter Default Range U201 Password - - U202 Return Sensor Alarms Enabled Enabled or Disabled U203 High Return Temperature 80ºF 33 - 210ºF U204 Low Return Temperature 60ºF 33 - 210ºF U205 High Return Humidity 60% 1 – 99% U206 Low Return Humidity 4[...]

iCOM Controls Training and Service Manual User Menu: Sensor Data U300 series: Page 1 of 2 Menu Line Parameter Time/ Value U313 Daily High Temperture U314 Daily Low Temperature U315 Daily High Humidity U316 Daily Low Humidity User Menu: Active Alarms Parameters Parameter User to view all active al arms of all units connected together (only Large Dis[...]

iCOM Control Training and Service Manual User Menu: Total Run Hours Parameters U500 series Menu Line Parameter Range (Hours) U501 - Actual U502 Fan motor(s) 0 - 32000 U503 Compressor 1 0 - 32000 U504 Compressor 2 0 - 32000 U505 Chilled Water/ Free Cool 0 - 32000 U506 Hot Gas / Hot Water 0 - 32000 U507 Electrical Heater 1 0 - 32000 U508 Electrical H[...]

iCOM Controls Training and Service Manual User Menu: Servi ce Contacts U700 series Menu Line Parameter Range U701 U702 U703 Address Line 1 Text String U704 Address Line 2 Text String U705 Address Line 3 Text String U706 Address Line 4 Text String 66[...]

iCOM Control Training and Service Manual Service Menu Parameters The Service menu display allows the user to customize the various unit settings for site specific operation. The factory default password to access the service menu items for programming is “501”. The Servic e Menu selections include the following choices in the order shown: • S[...]

iCOM Controls Training and Service Manual Service Menu: Set Point Parame ters S100 series: Page 2 of 2 Menu Line Parameter Default Range S112 Password - - S113 Humidity Proportional Band 10% 1 – 20% S114 Humidity Integration Time 0 0 – 5 minutes S115 Humidity Deadband 0 0 – 50% S116 DT Between Room / FC Type Disable Disable, Contact, Value S1[...]

iCOM Control Training and Service Manual Service Menu: Standby Setting / Lead-lag Parameters S500 series Menu Line Parameter Default Range S501 Password - - S502 Number of Standby Units 0 0 – 15 S503 Rotation Frequency No No, Daily, Every M, T, W, Th, F, S, Su S504 Rotate at (hour) 0 0 – 23 S505 Rotate at (minute) 0 0 – 59 S506 Rotate by 1 1 [...]

iCOM Controls Training and Service Manual Service Menu: Fan Settings Maintenance / Wellness Parameters: Page 2 of 8 Menu Line Parameter Default Range S012 Password - - S013 Number of Starts - 0 – 32000 S014 Run Hours - 0 – 32000 S015 Average Working Time - 0 – 999 minutes S016 Starts per Day Optimum 1 1 – 240 S017 Starts per Day Worst 24 1 [...]

iCOM Control Training and Service Manual Service Menu: Compressor 2 Settings Maintenance / Welln ess Parameters: Page 4 of 8 Menu Line Parameter Default Range S034 Password - - S035 Number of Starts - 0 – 32000 S036 Run Hours - 0 – 32000 S037 Average Working Time - 0 – 999 minutes S038 Starts per Day Optimum 12 1 – 240 S039 Starts per Day W[...]

iCOM Controls Training and Service Manual Service Menu: Electric Heater 2 Settings Maintenance / Wellness Parameters: Page 6 of 8 Menu Line Parameter Default Range S056 Password - - S057 Number of Starts - 0 – 32000 S058 Run Hours - 0 – 32000 S059 Average Run Time - 0 – 999 minutes S060 Starts per Day Optimum 24 1 – 240 S061 Starts per Day [...]

iCOM Control Training and Service Manual Service Menu: Humidifier Settings Maintenance / Wellness Parameters: Page 8 of 8 Menu Line Parameter Default Range S078 Password - - S079 Number of Starts - 0 – 32000 S080 Run Hours - 0 – 32000 S081 Average Run Time - 0 – 999 minutes S082 Starts per Day Optimum 24 1 – 240 S083 Starts per Day Worst 24[...]

iCOM Controls Training and Service Manual Service Menu: Diagnostics / Service Mode: Page 2 of 5 Menu Line Parameter Range S312 Password - S313 HP 1 Alarm Counter 0 S314 HP 2 Alarm Counter 0 S315 HT 1 Alarm Counter 0 S316 HT 2 Alarm Counter 0 S317 S318 S319 S320 Electric Heat 1(or HG/ HW) Off or On S321 Heat 2 (or E.Heat 1) Off or On S322 Heat 3 (or[...]

iCOM Control Training and Service Manual Service Menu: Diagnostics / Service Mode: Page 4 of 5 Menu Line Parameter Range S334 Password - S335 Status Remote Shutdown Off or On S336 Status Airflow Loss OK or Active S337 Status Motor Overload OK or Activ e S338 Status Filter OK or Active S339 Status Customer Input 1 OK or Active S340 Status Customer I[...]

iCOM Controls Training and Service Manual Service Menu: Set Alarm Parame ters S200 series: Page 1 of 6 Menu Line Parameter Default Range S201 Password - - S202 Return Sensor Alarms Enab led Disabled or Enabled S203 High Return Temperature 80ºF 34 - 210ºF S204 Low Return Temperature 65ºF 34 - 210ºF S205 High Return Humidity 60% 1 – 99% S206 Lo[...]

iCOM Control Training and Service Manual Service Menu: Set Alarm Parameters: Page 3 of 6 Menu Line Parameter S223 Password S224 DELAY EN-DIS TYPE S225 Main Fan Overload 10 Sec En Alarm S226 Loss of Airflow 10 Sec En Alarm S227 Clogged Filters 60 Sec En Warning S228 High Room Temperature 10 Sec En Warning S229 Low Room Temperature 10 Sec En Warning [...]

iCOM Controls Training and Service Manual Service Menu: Set Alarm Parameters: Page 5 of 6 Menu Line Parameter S249 Password S250 DELAY EN-DIS TYPE S251 Working Hours Exceeded - En Warning S252 Smoke Detected 5 Sec En Alarm S253 Water Under Floor 5 Sec En Alarm S254 Cond Pum p-High Water 5 Sec En Alarm S255 Loss of Flow 5 Sec En Alarm S256 Standby G[...]

iCOM Control Training and Service Manual Service Menu: Sensor Calibration/ Setup Parameters S600 series: Page 1 of 3 Menu Line Parameter Range S601 Password - S602 Return temperature ±17ºF S603 Calibrated return temperature 32 - 122ºF S604 Return humidity ±9.9% S605 Calibrated return humidity 20 – 80% S606 Digital Scroll 1 NTC ±17ºF S607 Ca[...]

iCOM Controls Training and Service Manual Service Menu: Sensor Calibration/ Setup Parameters: Page 3 of 3 Menu Line Parameter Default Range S623 Password - S624 Glycol sensor PTC or NTC NTC NTC or PTC S625 Glycol sensor - ±17ºF S626 Calibrated glycol sensor - 4 – 113ºF S627 Supply sen sor PTC or NTC NTC NTC or PTC S628 Supply sensor - ±17ºF [...]

iCOM Control Training and Service Manual Service Menu: System / Network Setup Parameters Series S800: Page 2 of 2, System View Menu Line Function Default Range S812 Password - - S813 IP Address - IP Address S814 Netmask - Netmask Range S815 Gateway - Gateway Range S816 MAC - MAC Range S817 U2U Protocol - - S818 U2U Address - 33 - 64 S819 - - S820 -[...]

iCOM Controls Training and Service Manual Service Menu: System / Network Setup Parameters Series S800: Page 2 of 2, Unit View Menu Line Function Default Range S834 Password - S835 Monitoring Protocol - - S836 IP Address - IP Range S837 Netmask - Netmask Range S838 Gateway - Gateway Range S839 MAC - MAC Range S840 U2U Protocol - 33 - 64 S841 U2U Add[...]

iCOM Control Training and Service Manual Service Menu: Option Setup Parameters S400 series:: Page 2 of 2 Menu Line Function Default Range S412 Password - - S413 Humidification Enabled Yes Yes or No S414 Infrared Flush Rate 150% 110 – 500% S415 Dehumidification Enabled Yes No or Yes S416 Electric Reheat Operation No No, Normal, Delayed S417 Single[...]

iCOM Controls Training and Service Manual Advanced Menu Parameters The Advanced menu displays allows the service technician to set the unit configuration code and to customize the various unit settings for site-specific operation. The factory default passwor d to access the advanced menu items for programming is “221”. The Advance Menu selectio[...]

iCOM Control Training and Service Manual Advanced Menu: Factory Settings Para meters A100 series: Page 2 of 6 Advanced Menu: Factory Settings Para meters A100 series: Page 3 of 6 Menu Code Function Default Range A101 Password - - A102 Refrigerant Type R22 R22, R407C A103 Main Fan Overload Shut down Shut down, Disable A104 Loss of Airflow Shut down [...]

iCOM Controls Training and Service Manual Advanced Menu: Factory Settings Parameters: Page 4 of 6 Advanced Menu: Factory Settings Para meters A100 series: Page 5 of 6 Menu Code Parameter Default Range A123 Password - - A124 LP1 Sensor 10% 0 - 100% A125 LP1 Signal 150 psiA -87.0 to +725 psiA A126 Actual LP1 Signal - 0 - 100% A127 LP2 Sensor 10% 0 - [...]

iCOM Control Training and Service Manual Advanced Menu: Factory Settings Parameters: Page 6 of 6 Menu Code Parameter Default Range A145 Password - - A146 Humidifier Model No No, external, IFS, IFL A147 Humidity in Last xx Hours 15hr 1 - 120 hours A148 Prefill Time IFS 30 IFL 60 1 - 120 seconds A149 Fill Time IFS 30 IFL 50 1 - 120 seconds A150 Humid[...]

iCOM Controls Training and Service Manual Advanced Menu: Factory Access Parameters A200 series: Menu Code Parameter Default Range A201 Password Level 1 (User) 149 4 digits A202 Password Level 2 (Service) 501 4 digits A203 Password Level 3 (Advanced) 221 4 digits 88[...]

iCOM Control Training and Service Manual Events Notifications Parameters ID Ty pe Description (Large Display ) Description (Small Display) 000 Alarm GENERAL ALARM GENERAL A LARM 001 Alarm COMP. 1 HIGH PRESSURE COMP. 1 HIGH PRESSURE 002 Alarm COMP. 1 LOW PRESSURE COMP. 1 LOW PRESSURE 003 Warning HIGH CHILLED WA TER HIGH CHILLED WATER 004 Warning LOW[...]

iCOM Controls Training and Service Manual Events Notifications Parameters (continued) ID Ty pe Description (Large Display ) Description (Small Display) 037 Message UNIT OFF UNIT OFF 038 Message SLEEP MODE SLEEP MODE 039 Message STANDBY MODE STANDBY MODE 040 Message POWER ON UNIT LOGIN POWER ON UNIT LOGIN 041 Message POWER OFF POWER OFF 042 Warning [...]

iCOM Control Training and Service Manual Events Notifications Parameters (continued) ID Ty pe Description (Large Display) Description (Small Display) 070 Warning NO CONNECTION TO UNIT 1 NO CONN. TO UNIT 1 071 Alarm C1 MOTOR PROTECTION C1 MOTOR PROTECTION 072 Alarm C2 MOTOR PROTECTION C2 MOTOR PROTECTION 073-078 Future Future Future 079 Message UNIT[...]

iCOM Controls Training and Service Manual Events Notifications Parameters (continued) ID Type Description (Large Display) Description (Small Display) 111 Warning EL.HEAT 1 HOURS EXCEEDED EL.HEAT 1 HOURS EXC. 112 Warning EL.HEAT 2 HOURS EXCEEDED EL.HEAT 2 HOURS EXC. 113 Warning EL.HEAT 3 HOURS EXCEEDED EL.HEAT 3 HOURS EXC. Event ID number, Descripti[...]

iCOM Control Training and Service Manual 007 LOSS OF AIRFLOW not enough airflow through the unit. this event can be set to switch off the unit or to disable hum and electric heat. Alarm yes, if set to shut down yes yes, only if set to "disable" 008 CLOGGED FILTERS air filters are dirty Warning no no - 018 HIGH ROOM TEMP actual return air [...]

iCOM Controls Training and Service Manual 028 HUM HRS EXCEEDED actual working hours of the fan are higher than the threshold set. Warning no no - 029 SUPPLY SENSOR FAILURE sensor faulty or not present, but needed from control (supply limit control enabled). Warning no no - 031 ROOM SENSOR FAILURE no valid data from the std. sensor Alarm yes yes no [...]

iCOM Control Training and Service Manual 048 Unit 7 disconnected " Warning no no - 049 Unit 8 disconnected " Warning no no - 050 Unit 9 disconnected " Warning no no - 051 Unit 10 disconnected " Warning no no - 052 Unit 11 disconnected " Warning no no - 053 Unit 12 disconnected " Warning no no - 054 Unit 13 disconnected[...]

iCOM Controls Training and Service Manual 072 COMP 2 OVERLOAD Compressor 2 stopped because of overload Alarm no yes yes (broken co will remain off) 079 UNIT DISABLED this message appears after a critical alarm (airflow, main fan overload) and indicates that the unit is operating w/o humidifier or electrical heaters. Message - - 080 UNIT SHUT DOWN t[...]

iCOM Control Training and Service Manual 098 DIG SCROLL2 HIGH TEMP Digital Scro ll compressor #1 shut off because of high temperature (sensor is inside the compressor). Alarm no yes yes (broken co will remain off) 103 SHORT CYCLE compressors are requested from control to start too often - control is unstable. Message - no - 104 SMOKE DETECTED custo[...]

iCOM Controls Training and Service Manual 114 UNIT CODE MISSING this alarm appears if a totally new board was started the very first time in its life. the unit code must be set in order to let the board know in which type of unit it is mounted, which component it shall drive and how to map the inputs and outputs. Alarm yes yes no 115 UNIT CODE 01 M[...]

iCOM Control Training and Service Manual MISMATCH 130 UNIT CODE 16 MISMATCH " Alarm yes yes no 131 UNIT CODE 17 MISMATCH " Alarm yes yes no 132 UNIT CODE 18 MISMATCH " Alarm yes yes no 99[...]

iCOM Controls Training and Service Manual Chapter 3 iCOM Control Board Connections Introduction This section describes the basic c onnection points on the Liebert Deluxe System 3 units. Each sub-section de scribes the standard electrical connections supplied with the iCOM controls. The detail is as follows: Display Assembly: Large and Small Plug an[...]

iCOM Control Training and Service Manual 101 LCD Display Board The Advanced and Advanced with Graphics L CD display board is mounted to the system unit accent panel. The LCD di splay board connection to the system control board is identified as ribbon connector P26. Large Disdplay Small Display[...]

iCOM Controls Training and Service Manual 102 Control Board DIP Switches and Plug Connectors This section deals with the 20 plug connections and the terminal block located on the unit control board. The tables in this section show all of the pin connections and the reference points for signal flow through these connections. Unit Mounted Control Boa[...]

iCOM Control Training and Service Manual i COM Control Board DIP Switch #2 Settings Connector Input/ Output Type Setting P7-1 (+)/ P7-2 (-) NTC Ther mistor * Software (ASW1 = 1) PTC Ther mistor Software (ASW1 = 0) P11-1 (+)/ P11-2 (-) Analog Voltage: 0 to +10V * Sw2-1: Off/ Sw2-2: Off Analog Voltage: 0 to +5V Sw2-1: On/ Sw2-2: Off Analog Current: 4[...]

iCOM Controls Training and Service Manual i COM Control Board Jumper Settings Jumper Type Setting P19 Watchdog * On: Shunt on Pins 1 & 2 Off: No Shunt P78 CAN Bus Terminator On: Shunt on Pins 2 & 3 * Off: Shunt on Pins 1 & 2 P83 Bootloader Enabled: Shunt on Pins 1 & 2 * Disabled: No Shunt * Default Setting Large Display DIP Switch #[...]

iCOM Control Training and Service Manual Large Display Jumper Settings Jumper Type Setting P3 Watchdog * Shunt on Pins 1 & 2 P4 Manual Contrast (Rev. 1) * Shunt on Pins 2 & 3 P8 open * open P13 open * open P78 CAN Termination * Shunt on Pins 2 & 3 P82 Watchdog (Rev. 2 Only) * Shunt on Pins 1 & 2 P83 Bootloader * Shunt on Pins 2 &[...]

iCOM Controls Training and Service Manual Small Display Jumper Settings Jumper Type Setting P4 Manual Contrast (Rev. 2 only) * Shunt on Pins 2 & 3 P78 CAN Termination * Shunt on Pins 2 & 3 P80 BDM Header * open P82 Watchdog (Rev. 2 Only) * Shunt on Pins 1 & 2 * Default Setting Temperature/ Humidity Bo ard DIP Switch #1 Settings Position[...]

iCOM Control Training and Service Manual DS Systems: P3: Not Used P4: 24 VAC Power P4-1: Fuse 1 (24 VAC) P4-3: Fuse 3 (24 VAC) P4-2: Fuse 2 (24 VAC) P4-4: Fuse 4 (24 VAC) P7: Fluid Sensor P7-1: Aquastat Sensor P7-2: Aquastat Sensor P8: 24 VAC Alarm Inputs P8-1: 24 VAC (RAD1/ TS 50) P8-5: 24 VAC (HWA) P8-2: 24 VAC (RAD2/ TS 51) P8-6: 24 VAC Out (TS [...]

iCOM Controls Training and Service Manual P22: Glycool Valve (Std. Pressure Actuator) P22-1: 24 VAC Out (Close Q18) P22-4: DCV Signal P22-2: DCV Signal P22- 5: E2 (24 VAC Gnd) P22-3: 24 VAC Out (Open Q17) P22-6: +5 VDC P32: Compressor Devices P32-1: 24 VAC Out (LLSV1) P32-8: 24 VAC P32-2: E1 (LLSV1) P32-9: 24 VAC (HP1 Alarm) P32-3: 24 VAC Out (LLSV[...]

iCOM Control Training and Service Manual P38: Smoke Detector P38-1: 24 VAC Out SDC) P38-3: 24 VAC (RAD1) P38-2: E4 (SDC) P38-4: no connection P39: Firestat & Remote Shutdown P39-1: 24 VAC Out (HTS) P39-3: 24 VAC Out (RDS1) P39-2: 24 VAC Return (HTS) P39-4: 24 VAC Re turn (RSD1) P40: Basic Unit Connections P40-1: no connections P40-8: E4 (Opt. C[...]

iCOM Controls Training and Service Manual P67: Temperature/ Humidity Sensors P67-1: P16-3: P67-6: P16-4: P65: Site Monitoring Signals – No Intelleslot Supplied P65-1: +5 VDC to TS 78 P65-2: -5 VDC to TS 77 P65: Optional Intelleslot Po wer Suplly P65-1: P65-3: P65-2: P65-4: P64: Unit Large Display (Digital Signals) P66: Unit Small Display (Digital[...]

iCOM Control Training and Service Manual 111 Fuse Board Layout: All Units This section deals with the seven (7) plug connectors on the fuse board. The fuse board is supplied on all syst ems with iCOM and is located in the low voltage section of the unit. The tables in this section show all of the connections and reference points for signal flow thr[...]

iCOM Controls Training and Service Manual 112 Temperature/ Humidity Board: All Units This section deals with the single plug connection located on the system temperature and humidity board. The temperature/ hum idity board is supplied on all systems with iCOM controls. The c able is plugged into Plug P67 on the unit microprocessor board and transmi[...]

iCOM Control Training and Service Manual NOTES 113[...]

iCOM Controls Training and Service Manual 114 Chapter 4 General Troubleshooting Data * Basic Operation of the Opto and Triac * Troubleshooting the Opto-Isolator and Triac * Control Input Check (Sensors) * Frequency Conversi on Chart (Temperature) * Frequency Conversion Chart (Humidity) * Troubleshooting Signals and Checklist * Moisture Content Char[...]

iCOM Control Training and Service Manual 115 The temperature sensor senses a rise in temperature. The rise is transmitted to the C entral P rocessing U nit (CPU). The CPU looks into its memory for information and instructions on what to do with the rise in temperature. The CPU then makes the decision to call for cooling. Isolation We use the opto-i[...]

iCOM Controls Training and Service Manual 116 BASIC OPERATION OF THE TRIAC To better understand the operatio n of the triac, we need to look at the movement of electrons in a special type of material used in electronics. Here we have a semiconductor material with what is called a depletion region. The depletion region restricts the flow of electron[...]

iCOM Control Training and Service Manual 117 The triacs that Liebert uses are standard in the industry and are rated at a 2-amp capacity. You can check these devices for proper operation while they are connected in the circuit. If the load is removed from the device, you can get a false reading from the meter. This is because the vo ltage potential[...]

iCOM Controls Training and Service Manual 118 Basic Operation of the Opto-Isolator The purpose of the opto-isolator is to prov ide isolation of two voltage sources. This allows a DC voltage source to activa te an AC voltage load device or allows an AC voltage source to provide a DC signal. We are working with two types of circuits , an input and an[...]

iCOM Control Training and Service Manual 119 Troubleshooting the Output Opto-Isolator The opto-isolator IC chips used in these circ uits are the H11J (out put) devices. The drawing shows the pin location for co mponent checks on the output opto. The indented circle in the upper left hand corner of this chip indicates the location of Pin 1. Note tha[...]

iCOM Controls Training and Service Manual 120 Troubleshooting the Input Opto-Isolato r The opto-isolator IC chips used in these ci rcuits are the H11AA (input) devices. The pin location for component checks on the i nput opto. The indented circle in the upper left hand corner of this chip indicates the location of Pin 1. Note that the number sequen[...]

iCOM Control Training and Service Manual 121 Microprocessor Control Board: Typical Location othe Opto-Isolators and Triacs Input Opto-Islators Ou tput Opto-Isolators and Triacs Microprocessor Control Board Alarm Input Opto-Isolator Legend: Opto Purpose Opto Purpose U15 Air Safety Switch U23 Power On U16 Custom Alarm 1 U24 Compressor 2 Overload U17 [...]

iCOM Controls Training and Service Manual Note: Use Pin 5 on the input opto-isolator with reference to the V- terminal for voltage check. The vo ltage level is 5 VDC. Control Output Opto-Isolator Legend: Opto Purpose Opto Purpose U1 Reheat 1 U10 Compressor 2 U2 Reheat 2 U11 Econ-O-Cycle Relay (R5) U3 Reheat 3 U12 Liquid Line Solenoid 1 U4 Humidifie[...]

iCOM Control Training and Service Manual iCOM Diagnostics / Service Mode Program The iCOM controller has a valuable tool built into software under the SERVICE MENU . This program allows the user to ev acuate and charge the refrigerant circuit at installation, turn on/off all loads (outputs) for testing, and allows user to check all inputs. The proc[...]

iCOM Controls Training and Service Manual Basic Troubleshooting Steps: Example: Unit load is not energizing. Programming: 1. Read and record all program parameter values. 2. Read and record all DIP (control) swit ch positions on all boards. Check all jumpers on each board, check for t he CAN healthy light on the boards and check programming per the[...]

iCOM Control Training and Service Manual 2. If the programming is correct and t he output opto-isolat or is functioning properly but the load device is not acti vated the next step is to check the triac and hard wiring to the load device. Verify that 24 VAC is being applied to Pin 1 of the triac, place the VOM leads between Pin 1 and the proper tra[...]

iCOM Controls Training and Service Manual Moisture Content Charts The following charts show moisture content of various levels of relative humidity for given temperatures. Follow the pr ocedures below to use the charts: STEP 1: Locate the chart for the temperat ure with which you are working. STEP 2: Locate the line with the relative humidity with [...]

iCOM Control Training and Service Manual Moisture Content at Temperature = 80 ° F (26.7ºC) RH Grains Per Cu Ft Grains Per Lb. 35 3.864 53.59368 36 3.9744 55.12493 37 4.0848 56.65618 38 4.1952 58.18743 39 4.3056 59.71868 40 4.416 61.24992 41 4.5264 62.78116 42 4.6368 64.31241 43 4.7472 65.84367 44 4.8576 67.37492 45 4.968 68.90616 46 5.0784 70.437[...]

iCOM Controls Training and Service Manual Moisture Content at Temperature = 79 ° F (26.1ºC) RH Grains Per Cu Ft Grains Per Lb. 35 3.7485 51.9917 36 3.8556 53.47717 37 3.9627 54.96265 38 4.0698 56.44813 39 4.1769 57.9336 40 4.284 59.41908 41 4.3911 60.90456 42 4.4982 62.39004 43 4.6053 63.87551 44 4.7124 65.36099 45 4.8195 66.84647 46 4.9266 68.33[...]

iCOM Control Training and Service Manual Moisture Content at Temperature = 78 ° F (25.6ºC) RH Grains Per Cu Ft Grains Per Lb. 35 3.633 50.38971 36 3.7368 51.82942 37 3.8406 53.26913 38 3.9444 54.70883 39 4.0482 56.14854 40 4.152 57.58824 41 4.2558 59.02795 42 4.3596 60.46765 43 4.4634 61.90736 44 4.5672 63.34707 45 4.671 64.78677 46 4.774801 66.2[...]

iCOM Controls Training and Service Manual Moisture Content at Temperature = 77 ° F (25.0ºC) RH Grains Per Cu Ft Grains Per Lb. 35 3.521 48.83628 36 3.6216 50.2316 37 3.7222 51.62691 38 3.8228 53.02224 39 3.9234 54.41756 40 4.024 55.81288 41 4.124601 57.20821 42 4.2252 58.60353 43 4.3258 59.99885 44 4.4264 61.39417 45 4.527 62.78949 46 4.6276 64.1[...]

iCOM Control Training and Service Manual Moisture Content at Temperature = 76 ° F (24.4ºC) RH Grains Per Cu Ft Grains Per Lb. 35 3.41215 47.32652 36 3.50964 48.67871 37 3.60713 50.03089 38 3.70462 51.38307 39 3.80211 52.73527 40 3.8996 54.08745 41 3.99709 55.43964 42 4.09458 56.79182 43 4.19207 58.14401 44 4.28956 59.4962 45 4.38705 60.84838 46 4[...]

iCOM Controls Training and Service Manual Moisture Content at Temperature = 75 ° F (23.9ºC) RH Grains Per Cu Ft Grains Per Lb. 35 3.3068 45.86532 36 3.40128 47.17575 37 3.49576 48.48619 38 3.59024 49.79663 39 3.68472 51.10707 40 3.7792 52.4175 41 3.87368 53.72794 42 3.96816 55.03838 43 4.06264 56.34882 44 4.15712 57.65926 45 4.251601 58.9697 46 4[...]

iCOM Control Training and Service Manual Moisture Content at Temperature = 74 ° F (23.3ºC) RH Grains Per Cu Ft Grains Per Lb. 35 3.20355 44.43324 36 3.29508 45.70276 37 3.38661 46.97228 38 3.47814 48.2418 39 3.56967 49.51132 40 3.6612 50.78085 41 3.75273 52.05037 42 3.84426 53.31989 43 3.93579 54.58941 44 4.02732 55.85893 45 4.11885 57.12845 46 4[...]

iCOM Controls Training and Service Manual Moisture Content at Temperature = 73 ° F (22.8ºC) RH Grains Per Cu Ft Grains Per Lb. 35 3.10345 43.04485 36 3.19212 44.2747 37 3.28079 45.50456 38 3.36946 46.73441 39 3.45813 47.96426 40 3.5468 49.19412 41 3.63547 50.42397 42 3.72414 51.65382 43 3.81281 52.88367 44 3.90148 54.11352 45 3.99015 55.34338 46 [...]

iCOM Control Training and Service Manual Moisture Content at Temperature = 72 ° F (22.2ºC) RH Grains Per Cu Ft Grains Per Lb. 35 2.9988 41.59336 36 3.08448 42.78174 37 3.17016 43.97012 38 3.25584 45.1585 39 3.34152 46.34688 40 3.4272 47.53527 41 3.51288 48.72365 42 3.59856 49.91203 43 3.68424 51.10041 44 3.76992 52.28879 45 3.8556 53.47717 46 3.9[...]

iCOM Controls Training and Service Manual Moisture Content at Temperature = 71 ° F (21.7ºC) RH Grains Per Cu Ft Grains Per Lb. 35 2.91165 40.38459 36 2.99484 41.53843 37 3.07803 42.69228 38 3.16122 43.84613 39 3.24441 44.99997 40 3.3276 46.15381 41 3.41079 47.30766 42 3.49398 48.46151 43 3.57717 49.61535 44 3.66036 50.7692 45 3.74355 51.92304 46 [...]

iCOM Control Training and Service Manual Moisture Content at Temperature = 70 ° F (21.1ºC) RH Grains Per Cu Ft Grains Per Lb. 35 2.81925 39.103 36 2.8998 40.22023 37 2.98035 41.33746 38 3.0609 42.45469 39 3.14145 43.57192 40 3.222 44.68914 41 3.30255 45.80637 42 3.3831 46.9236 43 3.46365 48.04083 44 3.5442 49.15806 45 3.62475 50.27529 46 3.7053 5[...]

iCOM Controls Training and Service Manual Moisture Content at Temperature = 69 ° F (20.6ºC) RH Grains Per Cu Ft Grains Per Lb. 35 2.7293 37.85539 36 2.80728 38.93697 37 2.88526 40.01856 38 2.96324 41.10014 39 3.04122 42.18173 40 3.1192 43.2633 41 3.19718 44.34489 42 3.27516 45.42647 43 3.35314 46.50805 44 3.43112 47.58964 45 3.5091 48.67122 46 3.[...]

iCOM Control Training and Service Manual Moisture Content at Temperature = 68 ° F (20.0ºC) RH Grains Per Cu Ft Grains Per Lb. 35 2.64985 36.75342 36 2.72556 37.80352 37 2.80127 38.85362 38 2.87698 39.90371 39 2.95269 40.95381 40 3.0284 42.00391 41 3.10411 43.05401 42 3.17982 44.10411 43 3.25553 45.1542 44 3.33124 46.2043 45 3.40695 47.2544 46 3.4[...]

iCOM Controls Training and Service Manual Moisture Content at Temperature = 67 ° F (19.4ºC) RH Grains Per Cu Ft Grains Per Lb. 35 2.5578 35.47669 36 2.63088 36.49031 37 2.70396 37.50393 38 2.77704 38.51755 39 2.85012 39.53116 40 2.9232 40.54479 41 2.99628 41.5584 42 3.06936 42.57202 43 3.14244 43.58565 44 3.21552 44.59926 45 3.2886 45.61288 46 3.[...]

iCOM Control Training and Service Manual Moisture Content at Temperature = 66 ° F (18.9ºC) RH Grains Per Cu Ft Grains Per Lb. 35 2.4759 34.34073 36 2.54664 35.3219 37 2.61738 36.30306 38 2.68812 37.28422 39 2.75886 38.26539 40 2.8296 39.24655 41 2.90034 40.22772 42 2.97108 41.20888 43 3.04182 42.19005 44 3.11256 43.17121 45 3.1833 44.15237 46 3.2[...]

iCOM Controls Training and Service Manual Moisture Content at Temperature = 65 ° F (18.3ºC) RH Grains Per Cu Ft Grains Per Lb. 35 2.39575 33.22905 36 2.4642 34.17846 37 2.53265 35.12785 38 2.6011 36.07726 39 2.66955 37.02666 40 2.738 37.97606 41 2.80645 38.92546 42 2.8749 39.87486 43 2.94335 40.82426 44 3.0118 41.77366 45 3.08025 42.72307 46 3.14[...]

iCOM Control Training and Service Manual 143 Suction Transducer Information (Codes A124-A128) % ps i g ps i a vo l ts vol ts 0 2. 55 0. 05 2. 6 0. 1 2. 6 5 0. 15 2. 7 0. 2 2. 7 5 0. 25 2. 8 0. 3 2. 8 5 0. 35 2. 9 0. 4 2. 9 5 0. 45 3 0. 5 3. 0 5 0. 55 3. 1 0. 6 3. 1 5 0. 65 3. 2 0. 7 3. 2 5 0. 75 3. 3 0. 8 3. 3 5 0. 85 3. 4 0. 9 3. 4 5 0. 95 3. 5 1 [...]

iCOM Controls Training and Service Manual Digital Scroll High Temperature Sensor Chart NTC (Code S606 and S608) 144[...]

iCOM Control Training and Service Manual Unit Code Description The iCOM controller uses a system parameter s auto configuration methodology. The unit will have a code on a serial tag di splayed on the front of the electric panel. This code when entered during the factory QA process will define unit configuration and auto set various parameter s for[...]

iCOM Controls Training and Service Manual Troubleshooting Checklist 1. Check the obvious bef ore beginning troubleshooting. A. Be sure that a remote control switch has not been shut off. B. Be sure that the comm unication cable is properly connected. C. Be sure that power is r eaching all modules asso ciated with the system. 2. Power down the entir[...]

iCOM Control Training and Service Manual Glossary of Unit and System Parameters User Menu Code Setpoints Ty pe U102 Temperature setpoint Unit U103 Humidity setpoint Unit U104 Predictive Humidity control Unit U105 Supply Limit Unit U106 Supply Limit Value Unit Graphics Ty pe System temperature time scale System System temperatur e graph height Syste[...]

iCOM Controls Training and Service Manual Code Display Setup Type U401 Language Display U402 Date Unit U403 Time Unit U404 Temperature Indication Unit U405 Display contrast Display U406 Buzzer Frequency Display U407 Backlight off after x hours Display U408 Screen: Display U409 Display shows: Display U410 Display View Display Code Total Run Hours Ty[...]

iCOM Control Training and Service Manual Code Service contacts Type U703 Address line 1 System U704 Address line 2 System U705 Address line 3 System U706 Address line 4 System Service Menu Code Setpoints Type S102 Temperature setpoint Unit S103 Humidity setpoint Unit S104 Predictive Humidity control Unit S105 Supply Limit Unit S106 Supply Limit Val[...]

iCOM Controls Training and Service Manual Fan Settings Type S013 Number of starts Unit S014 Working hours Unit S015 Average working time Unit S016 Starts per day optimum Unit S017 Starts per day worst Unit S018 Number of alarms Unit S019 Actual bonus Unit Compr. 1 Settings Type S024 Number of starts Unit S025 Working hours Unit S026 Average working[...]

iCOM Control Training and Service Manual S063 Actual bonus Unit El. Heater 3 Settings Type S068 Number of starts Unit S069 Working hours Unit S070 Average working time Unit S071 Starts per day optimum Unit S072 Starts per day worst Unit S073 Number of alarms Unit S074 Actual bonus Unit Humidifier Settings Type S079 Number of starts Unit S080 Workin[...]

iCOM Controls Training and Service Manual S338 Status Filter Unit S339 Status Custom er Input 1 Unit S340 Status Custom er Input 2 Unit S341 Status Custom er Input 3 Unit S342 Status Custom er Input 4 Unit S343 HP 1 alarm counter per 12 hours Unit S344 HP 2 alarm counter per 12 hours Unit S346 Status HP 1 Unit S347 Status LP 1 Unit S348 Status TH 1[...]

iCOM Control Training and Service Manual S614 Calibrated Temp. Sensor A Unit S615 Humidity Sensor A Unit S616 Calibrated Humidity Sensor A Unit S617 Temperature Sensor B Unit S618 Calibrated Temp. Sensor B Unit S619 Humidity Sensor B Unit S620 Calibrated Humidity Sensor B Unit S624 Glycol Sensor PTC or NTC Unit S625 Glycol Sensor Unit S626 Calibrat[...]

iCOM Controls Training and Service Manual S407 Electrical Unit S408 Hot water On/Off Unit S409 Hot gas Unit S410 3P actuator runtime Unit S411 3P actuator direction Unit S413 Humidification enabled Unit S414 Infrared Flush Rate S415 Dehum enabled Unit S416 Electric reheat operation Unit Code Service contacts Type S702 Country System S703 Address li[...]

iCOM Control Training and Service Manual A117 Low pressure threshold Phase 1 Unit A118 Low pressure threshold Phase 2 Unit A124 LP1 sensor 0% = Unit A124 LP1 sensor 0% = Unit A125 LP1 sensor 100% = Unit A125 LP1 sensor 100% = Unit A126 Actual LP1 signal Unit A127 LP2 sensor 0% = Unit A127 LP2 sensor 0% = Unit A128 LP2 sensor 100% = Unit A128 LP2 se[...]

iCOM Controls Training and Service Manual Glossary of Terms Address: A pattern of characters that i dentifies a unique storage location Algorithm: A set of procedures to obtain a given result Ambient: Condition on immediately surroundi ng atmosphere or area: usually refers to temperat ure or pressure Analog: Refers to circuitry; also called linear [...]

iCOM Control Training and Service Manual CPU: C entral P rocessing U nit; the part of a computer system that contains the main storage, arithmetic unit and special register groups (It performs arithmetic operations, controls instruction proc essing and provides timing signals.) Data: Another name for information Data Bus: One method of input/output[...]

iCOM Controls Training and Service Manual Impedance: Opposition that a circuit offers to the flow of current through it, measured in Ohms Input: An incoming information signal Isolation: Separation of one device or environm ent from the effects of an adjacent or connected device or environment Lead Compressor: Compressor coming on first as a result[...]

iCOM Control Training and Service Manual Prefill: The period of time between when the water begins to fill the pan and the humidifier lamps turn on Program: A set of instructions to achieve a certain result PROM: P rogrammable R ead- O nly M emory; an I ntegrated C ircuit (IC) memory chip whose stored data can be read at random (The IC can be used [...]

iCOM Controls Training and Service Manual Computer and Network Terms Agent: A program that performs some informati on gathering or processing task in the background . Typically, an agent is given a very small and well-defined task. Although the theory behind agents has been around for some time, agents have become more prominent with the recent gro[...]

iCOM Control Training and Service Manual Ethernet: A local-area network (LAN) architecture developed by Xerox Corporation in cooperation with DEC and Intel in 1976. Ethernet uses a bus or star topology and supports data transfer rates of 10 Mbps . The Ethernet specification served as the basis for the IEEE 802.3 standard , which specifies the physi[...]

iCOM Controls Training and Service Manual • wide-area networks (WANs) : The computers are farther apart and are connected by telephone lines or radio waves. • campus-area networks (CANs) : The computers ar e within a limited geographic area, such as a campus or military base. • metropolitan-area networks MANs) : A data network designed for a [...]

iCOM Control Training and Service Manual There are a variety of st andard protocols from which programmers can choose. Each has particular advantages and dis advantages; for example, some are simpler than others, some are more re liable, and some are faster. From a user's point of view, the only interesting aspect about protocols is that your [...]

iCOM Controls Training and Service Manual Understanding IP Addressing: Every computer that communicates over the Internet is assigned an IP address t hat uniquely identifies the device and distinguishes it from other computers on the Internet. An IP address consists of 32 bits , often shown as 4 octets of numbers from 0-255 represented in decimal f[...]

iCOM Control Training and Service Manual 165 Network Information Commonly known as: Network wire, Ethernet cable, Cat5 cable, the information following will explain the connectivity for Liebert Environmental units. Fundamentally, this section will explain t he terms of networking so that you can apply the information to building your own network. T[...]

iCOM Controls Training and Service Manual 166 Switches perform the same mechanical f unction, but they also include software inside that allows communica tion to operate at faster sp eeds and allow for multiple unit communication. Switches are the late st technology, but you are safe to use either device. Hubs are available in different configurati[...]

iCOM Control Training and Service Manual How To Use The Schematics As you look at the outside edge of the electrical schematic (drawing), you will see the numbers 8 through 1 (reading left to ri ght) across the top and bottom and the letters D through A (reading from top to bottom) along both the left and right edges of the schematic. These numbers[...]

iCOM Controls Training and Service Manual Electrical Schematics 182769 Liebert DS iCOM Global Control 8 - 12 Ton 182770 Liebert DS iCOM Global Control 15 – 30 Ton, 380 – 575V 182771 Liebert DS iCOM Global Control 15 – 30 Ton, 200 – 230V 182772 Liebert DS iCOM Global Control 8 - 12 Ton, SCR Reheat 182952 Connection Drawing Liebert DS 168[...]

iCOM Control Training and Service Manual Notes 169[...]