Liebert XDP manual

Precision Cooling For Business -Critic al C ontinuity™ Li eber t ® XDP ™ Us er Manual–50-60 Hz; 160kW No minal C apac it y[...]

G ENERAL S AFETY G UIDELINES NOTICE Risk of piping and component rupture. May cause injury or equipment damage. Do not close service valv es without foll owing recommended procedures for repair, maintenance and replacement of components. Closing service valves may isolate liquid refrigerant, causing high pressure and rupture of piping. Install pres[...]

i T ABLE OF CONTENTS G ENERAL S AFETY G UIDEL INES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I NSIDE F RONT C OVER 1.0 P RODUCT D ESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 General Product Information . . . . . . . . . . . . . . . . . . . . . . .[...]

ii 4.3 Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.3.1 Viewing or Changing Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.3.2 SETPOINTS . . . . . . . . . . . . . . . . . . . . . . . . [...]

iii FIGURES Figure i Model number nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inside Front Cover Figure 1 Liebert XD P components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2 Tie-down brackets and lag bolts to be remo[...]

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Product De scription 1 1.0 P RODUCT D ESCRIPTION 1.1 General Product Information 1.1.1 Product/System Description Liebert’s XDP refrigerant dist ribution unit is an interface between the b uilding chilled wa ter system and the cooling modules in the Lieb ert XD system. It is designed to circulate and control refrigerant to the cooling modules tha[...]

Product De scription 2 1.3 Equipment Handling 1.3.1 Handling With Skid • Always keep the unit upright, in doors and protected from damage. • If possible, tran sport the unit using a forklift truc k. Otherwise use a crane with belts or cables. In either case, do NOT press on the top edges of the packaging. • If using a forklift, make sure the [...]

Product De scription 3 4. Remove the two (2) end deck bo ards from one en d of the pallet and the a ttached, notched section of the center runners (refer to Figure 3 ). Figure 3 Removing p allet boards for piano jack insertion 5. Place a piano jack with its forks snugly agains t the bo ttom of the unit and strap the Liebert XDP securely to the jack[...]

Product De scription 4 8. Remove the run ner from which all lag bolts have be en removed (refer to Figure 6 ). Figure 6 Remove runner from p allet 9. Using the pallet jacks, raise th e secured unit to the hi ghest point that the piano jacks will allow. Once the unit has been raised, sl ide the remainder of the pallet from under the Liebert XDP (see[...]

Product De scription 5 1.4 Mechanical Considerations 1.4.1 Positioning the Liebert XDP Install the Liebert XDP according to the site specific documentation and secure the unit to the floor. The Liebert XDP can be installed near a wall or another Liebert XDP. However, there must be at least 3 feet (92cm) clearance in fron t of the Liebert XDP as ser[...]

Product De scription 6 Figure 9 Piping access point s T able 2 Unit piping outlet conne ct ion sizes, inches, OD Cu Model Pipe Connection Point 5 0 / 6 0 H z ABCD XDP160 2-1/8 1-1/8 2-5/8 2-5/8 Dimensions are approximate and subject to change without notice. 16-1/8" (410mm) 17-1/4" (438mm) 10" (254mm) 19" (483mm) A - Return From[...]

Product De scription 7 1.5 Electrical Information 1.6 High V oltage Connections Make sure the actual supply voltage and f requenc y correspond to the voltage and frequency indicated on the Liebert XDP’s rating plate. The unit must be installed in accordance wi th national wiring reg- ulations. Connect cables for high voltage supply to the el ectr[...]

Product De scription 8 2. Determine which kn ockouts in the electrical enclosure will be used and rem ove them (see Figure 11 ). Figure 1 1 Electrical enclosure knocko ut locations for field wiring 3. Route the input hazardous voltage electrical po wer wiring through the top left knockout (see Figure 11 ) to the disconnect switch L1, L2 and L3 (see[...]

Product De scription 9 Figure 13 High volta ge connections—50Hz 1.7 Extra Low V oltag e (EL V) Connections Extra Low Voltage power output is 30V and 100VA or less. 1. Turn off all unit power before connecting cables or wires. Failure to do so may damage this equipment (refer to Figure 14 ). 2. Route low voltage electrical conne ctions throug h th[...]

Product De scription 10 Field Connections—All Unit s • Connect the control display panel cable to term inal block TB3 terminals 1 through 4 on the Lie- bert XDP control board as shown (refer to Figure 15 ). The display panel ma y be mounted on the Liebert XDP’s front right door if the Liebert XDP is located in the area that it condi tions. Th[...]

Piping 11 2.0 P IPING 2.1 European Union Fluorinated Greenhouse Gas Requirement s Stationary air conditioning, refrigerat ion, heat pu mp equipments and stationa ry fire protection sys- tems in the European Community market and operating w ith fluorinated greenhouse gases (f-gas), such as R407C, R134a, R410A, mu st co mply with the F-Ga s Regula ti[...]

Piping 12 2.3 Liebert XDP Interconnection wit h Liebert XD Cooling Modules All piping must be ASTM (American Society fo r Testing and Materials) Type L copper p ipe. The Liebert XDP may be connected to Liebert XD c ooling modules with either Liebert’s XD prefabri- cated piping assembly or with rigid, of f-the-shelf pi ping. In either setup, pipin[...]

Piping 13 Figure 17 Byp ass flow controller det ails, dimensions Figure 18 Byp ass flow controller arrangement Figure 19 Byp ass flow controller piping 7/8 ” (22mm) ID 4 ” (102mm) Re t u r n Main 7/ 8" R efri g eran t Grade Fu ll Por t Ba ll Va lve Fiel d-Suppli ed and Field -Insta l l ed Supp l y Main B yp ass Fl o w C o ntro l l er ( Fie[...]

Piping 14 2.5 Piping Details—Shut -Off/Isolation V alves To allow for mai ntenance of the Liebert XDP, isolation valves must b e installed on the ch illed water circuit (see Figure 20 ). Figure 20 General piping det ails 2.5.1 Piping Inst allation Method All piping should be installed with hi gh temperature brazed joints. Prevailing good refriger[...]

Piping 15 2.6 Checklist for Proper Inst allation ___ 1. Unpack and check received material. ___ 2. Position the Liebert XDP and secure it to the floo r. ___ 3. Wire high voltage connections. ___ 4. Wire low voltage connections. ___ 5. Connect the building chilled water piping to the Liebert XDP. ___ 6. Connect the Liebert XD cooling module piping t[...]

Checklist for Liebert XDP Startup 16 3.0 C HECKLIST FOR L IEBERT XDP S T ARTUP 1. Verify that bypass f low controllers were instal led (if a pplicable), see Table 4 . 2. Check all isolation ball valves in the Liebert XD P and Liebert XD cooling module and v erify that all are open. 3. Check rotation of the Liebert XDP’s pumps. On 460V units only [...]

Checklist for Liebert XDP Startup 17 If there is no “Loss of Fl ow” alarm present —This suggests that th ere is flow. Test the pressure differential by closing the ball valve on either the suct ion line or discharge line to stop the flow. This should prompt an alarm for “loss of flow on P1.” This alarm confirm s that the switch has opened[...]

Checklist for Liebert XDP Startup 18 T able 6 System R-134a charge for a Lieber t XDP with any model Liebert XDH/Liebert XDO/Liebert XDV/Liebert XDCF Refrigerant Charge, lb (kg) Per Liebert XD Unit (Excludes Connector Lines to and from Liebert XD Cooling Module) 157 lb. (65.7kg) Liebert XDP 3.55 lb. (0.6 6kg) Liebert XDO 2.32 lb. (1.0 5kg) Liebert [...]

Checklist for Liebert XDP Startup 19 3.1.1 Calculating Refrigerant Charge—Example Using Tables 6 , 7 , 8 and 9 , calculate the refrigerant charge of the indi vidual sections of your Liebert XD system. Add the calculated ch arge amounts to determine the amount of R-134a refrigerant required for one system combining a Liebert XDP with Liebert XD co[...]

Microprocessor Control 20 4.0 M ICROPROCESSOR C ONTROL 4.1 Feature Overview The microprocessor control for th e Liebert XDP features an easy -to-use menu-driven LCD. The menus, control features and circuit board detai ls are described in this section. Figure 22 User interface Active alarms are displayed on the LCD screen and sound an audible beep. [...]

Microprocessor Control 21 4.2 Controls The Microprocessor Control for the Liebert X DP featur es an easy-to-use, menu -driven liquid crysta l display. The menus, control features and circuit board de tails are described in this section. 4.2.1 Feature Overview The Liebert XDP maintains the refrigerant being pump ed to Liebert XD cooling modules at a[...]

Microprocessor Control 22 4.3.2 SETPOINTS Selecting SETPOINTS from the Main Menu will reveal the following menu items: MIN TEMP SP Minimum Room Temperature Setpoint —This is used to keep the room temperature above the set- point. The Lieb ert XDP can lower the roo m temperature too much depend ing on the room dew poi nt and load. This se tpoint w[...]

Microprocessor Control 23 4.3.6 TIME To change the time, press ENTER to select the fu nction, then use the Up or Down arrow key to change the first character, press EN TER to store, then press the Up or Down arrow key to change the second character, press ENTER to store, etc. 4.3.7 DA TE To change the date, p ress ENTER, then use the Up or Down arr[...]

Microprocessor Control 24 PUMP W AIT TD The user may set the pump wait ti me delay to prevent the pump from continuing to run when refrig- erant is not flowing. When the control detects a lo ss of refrigerant flow, the pump continues operating for the period speci fied in the PUMPWAIT TD. If refrigerant flow resu mes during the specified interv al [...]

Microprocessor Control 25 V A L VE TIME This value is the numbe r of seconds it takes the control val ve to travel from fully closed to fully ope n. If the control loses the analog feedba ck position from the control valve, the control will close the valve, then calculate how long to open the valve for the current call for cooling. For example, if [...]

Microprocessor Control 26 Change Password—SERV ICE P A SSWORD The factory default SERVICE PASSWORD is “123”— this password protects setup operati ons and more-critical alarm settings. To change the SERVICE PASSWORD: 1. Press the MENU key to displa y the Main Menu. 2. Use the Up or Down arrow key to scro ll to the SERVICE PASSW ORD function.[...]

Microprocessor Control 27 4.3.14 CUSTOM ALARMS This is the menu where the use r selects the alarm me ssage that will be displayed when there is an input to the customer alarm input on the control bo ard. This menu has four choices: one user-defined custom message (see CUSTOM TEXT below for details) and th ree preprogrammed messages: • SMOKE DETEC[...]

Alarm Descriptions and Solutions 28 5.0 A LARM D ESCRIPTIONS AN D S OLUTIONS 5.1 Alarm Descriptions • LOSS OF FLOW P1 —Activated when Pump 1 is commanded to run and the differential pres- sure switch does not sense differen tial pressure (set at 6 psi; 41 kPa; 0.41 bars). After attempti ng to start Pump 1 for 120 seconds (i ncluding time delays[...]

Alarm Descriptions and Solutions 29 • REFRIG SENS FAIL —Activated when the cont rol stops receiving a s ignal from the refrigerant temperature sensor. If this alarm becomes active, the control will close th e control valve over a 9-minute period. This alarm will shut down the Liebert XDP. Main power must be (disconnect switch) must be turn ed O[...]

Alarm Descriptions and Solutions 30 5.3.2 Increase or Decrease Alarm T ime Delays An alarm time delay is the time that the a condition must exist before the control activates an alarm for that conditio n. This can be used a s a filter to prevent nuisance alarms from transient ev ents. These alarms may have th eir time delays changed: • CUSTOMER?[...]

Trou bleshoot ing 31 6.0 T ROUBLESHO OTING T able 16 T roubleshooting the XDP Symptom Possible Cause Check or Remedy Pump will not energize No main power Check L1, L2 a nd L3 for rated voltage. Loose electrical connection s Tighten connections. Overloads tripped Allow pump to cool. Check amp draw. Tripped circu it breaker Check circuit breaker to p[...]

Maintenance 32 7.0 M AINTENANCE The Liebert XD system components require little maintena nce when proper fl uid levels are mai n- tained and proper startup and operation procedu res are followed. The follow ing tasks should be per- formed at the intervals stated: 1. Clean or replace chilled water strainer annually. Adjust accordingly based on purit[...]

Specifications 33 8.0 S PECIFICATIONS T able 17 Liebert XDP160 specifications Models XDP160RC--1 XD P160RA--1 XDP160RM--1 Cooling Capacity, Nominal 160kW / 46 Tons, 60Hz 140kW / 40 Tons, 50Hz Each capacity is based on 45ºF (7ºC) ente ring water temperature and 140gpm (530lpm) wa ter flow rate. Capacity is reduced when glycol mixtures are used in [...]

Ensuring The Hi gh A vai labilit y 0f Mission-Critic al Data And Ap plic ations. Emerson Net work P ower , the global leader in enabling business-critical continuity , ensures network resiliency and adaptabilit y through a family of technologies—inc luding Liebert power and cooling technologies—that prot ec t and suppor t business-critical syst[...]