Friedrich EQ08N11 manual

Cool Only 1 15-V olt: SQ05N10*, SQ06N10*, SQ08N10*, SQ10N10* 1 15-V olt: EQ08N1 1* Cool and Electric Heat Service/Parts Manual 2012 Room Air Conditioners KuhlQ_Serv/Parts Man (4-12) * Last character may vary . PM FAN SPEED SCHEDULE SYSTEM FAN MODE POWER ROOM TEMP SET POINT AM F AUTO FAN CONTINUOUS AUTO SPEED 88 C ONOFF AUTO SCHEDULE CHECK$ MART FIL[...]

1 T able Of Contents Important Safety Information .................................................................................................. ........................................ 2-4 Introduction .................................................................................................................. ............................[...]

IMPORT ANT SAFETY INFORMA TION 7KHLQIRUPDWLRQFRQWDLQHGLQWKLVPDQXDOLVLQWHQGHGIRUXVHEDTXDOL¿HGVHUYLFHWHFKQLFLDQZKRLVIDPLOLDU with the safety procedures required for installation and repair , and who is equipped with the proper tools and test instruments required to service this product. ,QVWDOOD[...]

% Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel, and sleeve on the room side of the air conditioning unit while cleaning. % Electrical component malfunction caused by water could result in electric shock or other electrically unsafe conditions when the power is restored and the unit [...]

PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS: % Read the Installation/Operation Manual for this air conditioning unit prior to operating. % 8VHDLUFRQGLWLRQHURQDVLQJOHGHGLFDWHGFLUFXLWZLWKLQWKHVSHFL¿HGDPSHUDJHUDWLQJ % Connect to a properly grounded outlet only . % Do not remove ground prong of plu[...]

Serial Number Decade Manufactured /  &  )  -   A=1 D=4 G=7 B=2 E=5 H=8 A B A Y 00001 Production Run Number Y ear Manufactured A=1 D=4 G=7 K=0 B=2 E=5 H=8 &  )  -  Product Line Kuhl Q Month Manufactured A=Jan D=Apr G=Jul K=Oct B=Feb E=May H=Aug L=Nov C=Mar F=Jun J=Sept M=Dec 1st Digit [...]

PERF ORMA NCE D A T A * Installation Information / Sleeve Dimensions * M inimum e xtensions when mounted in a window . ** Minimum widths achieved using one side curtain asse mbly as opposed to both in a standard installation. Circuit Rating / Breaker (B) (C) Fr o n t SIDE VIEW Model Cir cuit R ating Bre a ke r o r T-D Fu s e Pl ug Fa c e (NE M A # [...]

ELE C T RI C AL D A T A ELECTRIC SHOCK HAZARD W ARNING T urn of f electric power before service or installation. All electr ical co nnections and wiring MUST be LQVWDOOHG E D TXDOL¿HG HOHF WULF LDQ DQG FRQIRU P WR  the National Elect rical C ode and all loc al codes ZKLFKKDYHMXULVGLFWLRQ ) DLOXUH WR GR VR[...]

Keep the filter clean Make sure that your air conditioner is always in top performing condition by cleaning the filter regularly. Provide good air flow Make sure the airflow to and from the unit is clear. Your air conditioner puts the conditioned air out at the top of the unit, and takes in unconditioned air at the bottom. Airflow is critical to go[...]

 8 2 DIGIT DISPLA Y Shows Setting for: - Set Point (T emperature) - Room T emperature - Clock (AM/PM) ON / OFF: T urns unit on/off SYSTEM: Cycles between HEA T , COOL or FA N O N LY F AN MODE: Sets fan to either: - Cycle automatically - Run continuously F AN SPEED: Sets fan speed: LOW , MED, HIGH or AUTO (as equipped) HEA T FIL TER Check / Clean[...]

10 K ühl Control Options FRR203 Figure 3 The Kühl g ives you a variety of op tions for control, progra mming, a nd scheduling including wireless capabiliti es Th e ne w F r ie d ri c hL i n k ™ Ad a p t e r (sold seperately) allows you to conviently co n tr o l , p ro g ra m a n d mo n i t o r yo u r air conditioning unit remotely from a smar t[...]

11 Wh e n in the SYSTEM CO OL or H E A T o r F A N O N LY mode, you can also select FAN MODE, FAN SPEED, TIMER SCHEDULE, and . The SYSTEM MODE does not change. SET POINT F CONTINUOUS SET POINT F AUTO FAN SET POINT F AUTO FAN SYST EM - T he SYSTEM button allows you to sequentially select three modes of oper ation. To select, press once and let go. C[...]

12 SET POINT F AUTO FAN SET POINT F AUTO FAN UP and DOWN - arrows - Pressing either o r but ton changes the system's set po int ( desired ro om temperature). These butto ns are also used for setting the Timer and other programming. FRR101 FRR100 One pre ss equals 1 degree of ch ange. Holding the but ton down for mo re than 0.6 sec onds st art [...]

13 the or buttons to change the setting. DIM F unction There ar e three se parate display brig htness levels, AUTO, 20% and fu ll ( 1 00 % ) . T o c hange the D IM set ting, pre ss the Power b utto n for thre e seconds. FRR192 Th e 1 i ndi c ate s a D IM set t ing of A uto (f ac to r y de fa ult on new units). Use FRR193 The 2 indic ates a DIM s et[...]

14 NOTE: The schedule options 1 and 2 have factory pre-programmed settings which can only be changed by using the WiFi FriedrichLink™ adaptor (an accessory). With it, you can create your own custom schedule program. See page 10 for more information. NOTE: Once you have selected the TIMER you must first set the following before turning it on. 1. S[...]

15 SET POINT F AUTO FAN Timer St ar t Time The disp lay shows a nor mal system. Pres s and hold t he HOU R butt on (Figure 4) for 3 seconds. Note: The Timer start-stop times may be set even when t he system is in the Timer or Sc hedule mo de. FRR140 AM ON FRR141 Use the or button to adjust the h our . Press the TIM ER SET but ton (Figure 4) to adju[...]

16 Turning the TIMER ON once the time and day, the start and top times have been set: Press the button once and let go. NOTE: See the following TIMER ON/OFF scenarios. SET POINT F AUTO FAN FRR144 The display shows a no rmal system. Pres s and hold th e MIN but ton (Figure 4) for 3 sec onds. N ote the T imer st art - sto p time s may be set even whe[...]

17 If the unit is operating in the TIMER or SCHEDULE mode, and you press any bytton except the button, the TIMER icon begins to blink. All button action is blocked. SET POINT SCHEDULE F AUTO FAN SET POINT F AUTO FAN SET POINT F AUTO FAN Tim er O FF Sc ena r ios Scenario 1 Scenario 2 The display shows the unit in T imer mode dur ing an in- active (O[...]

18 TIMER/SCHEDULE Bu tton – T he button turns the schedule function on and off. Press the button once to turn on the Schedule (Residential, Commercial, Timer or Customized. that has already been pre-programmed into your unit. Pressing the button a second time turns the schedule function off. FRR080 30° 45° 60° 30° 45° 60° 25ft 25ft 8ft 4ft [...]

 SYSTEM SCHEDULE F AN SPEED FRR081 F AN SPEED SCHEDULE SYSTEM F AN MODE POWER DISPLA Y F AN MODE POWER TEMPERA TURE UP TEMPERA TURE DOWN F AUTO FAN AUTO CONTINUOUS 88 C SYSTEM MODE FA N MODE FA N SPEED SCHEDULE ICON HEA T ICON FA N O N LY ICON °F / °C ICONs FRR082 F AU TO F A N AU TO C ONTINUOUS 88 C COOL ICON Fig ur e 10 Fig ur e 1 1[...]

ELECTR ONIC CONTR OL SEQUENCE OF OPERA TION Cooling Mode prio r to the compre ssor . Once the ambient temp erature has been lowered to . 25 Û F below the set point, the co oling cycle star t s to terminate by shutt ing of f the co mpressor . Af ter a 30 sec onds delay , the fan is shut off. (See figure below for graphic details) Electr ic Heat Ope[...]

ELECTRONI C CONT ROL SE QUENCE OF OP ER A TION ( CONT . ) Compressor Lock Out Time The lockout feature ensures that the c ompressor is de - ene rgized for a perio d of time. The timer varies randomly from 180 to 240 seconds The c ompressor lockout is initiated every t ime the compres sor is “of f ” due to: ( 1 ) Sat i sfy ing the temperature se[...]

ELECTRIC SHOCK HAZARD W ARNING T urn off electric power before inspections, maintenances, or service. Failure to do so could result in serious injury or death. 22 COMPONE NTS TEST ING T esting the User Inter face and Relay B oard If the user interface does not tur n on: 1. Unplug unit, remove the User Interface. 2. Replug power cord and make sure t[...]

COMPONENTS TESTING ( CON ’T ) T esting the Rela y Board LN L1 Fu s e T 3. 1 5AH 250 V olts A C Indoor Coil Thermistor T est for 3.3 VDC . If i ncorrect or no vol tage, replace electronic rela y board. If voltage O K , chec k ther mistor’ s resistanc e v alu e ( See page 56 ). Out door Co il Thermistor T es t her e for 5VDC . If no v oltage or w[...]

CAP ACIT ORS ELECTRIC SHOCK HAZARD W ARNING T urn of f electric power before servicing. Discharge capacitor with a 20,000 Ohm 2 W att resistor before handling. )DLOXUHWRGRVRPDUHVXOWLQSHUVRQDOLQMXU  or death. Many motor capacitors are internally fused. Shorting the terminals will blow the fuse, ruining the capacitor .[...]

HEA TING ELEMENT (See Figure) All electric heat models are equipped with a heating element. The EQ08 has a 1.15 KW element. The heating element contains a fuse link and a heater limit switch. The fuse link is in series with the power supply and will open and interrupt the power when the temperature UHDFKHV  °F or a short circuit occurs[...]

Suction Line Evaporator Coil Metering Device Refrigerant Strainer Discharge Line Condenser Coil Compressor Refrigerant Drier Liquid Line A good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting of UHIULJHUDWLRQVVWHPSUREOHPVZLOO [...]

 R-410A pressure is approximately 60% higher than R-22 pressure.  R-410A cylinders must not be allowed to exceed 125 F , they may leak or rupture.  R-410A must never be pressurized with a mixture of air , it may become ÀDPPDEOH   6HUYLFLQJHTXLSPHQWDQGFRPSRQHQWVPXVWEHVSHFL¿FDOOGHVLJQHGIR[...]

Proper refrigerant charge is essential to proper unit operation. Operating a unit with an improper refrigerant charge will UHVXOWLQUHGXFHGSHUIRUPDQFHFDSDFLWDQGRUHI¿FLHQF  Accordingly , the use of proper charging methods during servicing will insure that the unit is functioning as designed and that its compressor [...]

Suction Line Evaporator Coil Metering Device Refrigerant Strainer Discharge Line Condenser Coil Compressor Refrigerant Drier Liquid Line A good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting of UHIULJHUDWLRQVVWHPSUREOHPVZLOO [...]

Proper refrigerant charge is essential to proper unit operation. Operating a unit with an improper refrigerant charge will UHVXOWLQUHGXFHGSHUIRUPDQFHFDSDFLWDQGRUHI¿FLHQF  Accordingly , the use of proper charging methods during servicing will insure that the unit is functioning as designed and that its compressor [...]

3. Install a process tube to sealed system. 4. Make necessary repairs to system. 5. Evacuate system to 200 microns or less. 6. Weigh in refrigerant with the property quantity of R410-A refrigerant. 7. Start unit, and verify performance. 8. Crimp the process tube and solder the end shut. Proper safety procedures must be followed, and proper protecti[...]

Underchar ged R efrigerant Systems An undercharged system will result in poor performance (low pressures, etc.) in both the heating and cooling cycle. Whenever you service a unit with an undercharge of refrigerant, always suspect a leak. The leak must be repaired before charging the unit. T o check for an undercharged system, turn the unit on, allo[...]

R estricted R efrigerant System T roubleshooting a restricted refrigerant system can be GLI¿FXOW The following procedures are the more common problems and solutions to these problems. There are two types of refrigerant restrictions: Partial restrictions and complete restrictions. A partial restriction allows some of the refrigerant to circul[...]

Lock ed Rotor V oltage (L.R.V .) T est Locked rotor voltage (L.R.V .) is the actual voltage available at the compressor under a stalled condition. Single Phase Connections Disconnect power from unit. Using a voltmeter , attach one lead of the meter to the run “R” terminal on the compressor and the other lead to the common “C” terminal of th[...]

Single Phase Resistance T est Remove the leads from the compressor terminals and set the ohmmeter on the lowest scale (R x 1). T ouch the leads of the ohmmeter from terminals common to start (“C” to “S”). Next, touch the leads of the ohmmeter from terminals common to run (“C” to “R”). Add values “C” to “S” and “C” to “[...]

R ecommended procedur e for compressor replacement 1. Be certain to perform all necessary electrical and refrigeration tests to be sure the compressor is actually defective before replacing. 2. Recover all refrigerant from the system though the process tubes. PROPER HANDLING OF RECOVERED REFRIGERANT ACCORDING T O EP A REGULA TIONS IS REQUIRED. Do n[...]

1. 2. 3. 4. 5. ELECTRIC SHOCK HAZARD W ARNING T urn of f electric power before service or installation. )DLOXUHWRGRVRPDUHVXOWLQSHUVRQDOLQMXU  or death. Sealed Refrigeration System contains refrigerant and oil under high pressure. Proper safety procedures must be followed, and proper protective clothing must be worn w[...]

Standard F ilter C leaning / Installation Instruc tions STEP 1. S wing t he door o pen and rem ove the ¿ lter by grasping the ¿ lter grip and pushing th e ¿ lter holder upward and outward. STEP 2. Clean the fr ont frame by washing the dir t fr om the ¿ lter . Use a mild soap so lution if nec essar y . Allow ¿ lter to dr y . STEP 3. Inst all th[...]

R OUTINE MAINTEN ANCE COILS AND BASE P AN The indoor coil (evaporator coil), the outdoor coil DECORATIVE FRONT COVER The decorative front and discharge air grille may be cleaned with a mild soap or detergent. Do NOT use solvents or hydrocarbon based cleaners such as acetone, naphtha, gasoline, benzene, etc., to clean the decorative front or air dis[...]

SLEEVE / DRAIN Inspect the sleeve and drain system periodically (at least yearly or bi-yearly) and clean of all obstructions and debris. Clean both areas with an antibacterial and antifungal cleaner . Rinse both items thoroughly with water and ensure that the drain outlets are operating correctly . Check the sealant around the sleeve and reseal are[...]

After Maintenance/Repair Start-Up Checklist & Notes  Inspect and ensur e that all comp onents and acc esso ries have been installed p roperly an d that they have not been damaged dur ing the installation pro gress.  Check the c ondensate water drain( s ) to ensure that they are adequate for th e removal of c ondensate wate r , and that th[...]

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SET POINT F AUTO FAN SET POINT F AUTO FAN How to Check the Diagnostic Codes Erasing the Diagnostic Codes See codes chart on next page. To check the active system errors, press the & keys for 3 sec. An “E” will appear in the display. Use the or keys to scroll through any system errors. Only active errors will be shown. The display error mode[...]

Error Code Problem Control Board's A ction 1 Front Panel Button Stuck For More Than 20 Seconds Continue to monitor f or "OPEN" (Unstuc k) switch. Do not proc ess switch input. 2 Input Voltage Out of Specif ication (103 - 127 / 187 - 253 ) Open all relays until voltage is back within spec s. Resume operation 3 Indoor Tem perature Sens[...]

SET POINT F AUTO FAN SET POINT F AUTO FAN Test Mode Press the , , & buttons simultaneously for 3 seconds. This will activate the test mode. The ON icon will appear for 5 seconds and the display will then revert to the normal display. The test mode will time out after 1 hour. To can cel test mode, unplug and replug the power cord. Normal display[...]

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COOLING ONL Y ROOM AIR CONDITIONERS: TR OUBLESHOO TING TIPS 48[...]

COOLING ONL Y ROOM AIR CONDITIONERS: TR OUBLESHOO TING TIPS [...]

COOLING ONL Y ROOM AIR CONDITIONERS: TR OUBLESHOO TING TIPS 50[...]

COOLING ONL Y ROOM AIR CONDITIONERS: TR OUBLESHOO TING TIPS 51[...]

HEA T / COOL ONL Y ROOM AIR CONDITIONERS: TROUBLESHOO TING TIPS * NOTE: Heater size on the EQ08M1 1 is: 1.15 KW . 52[...]

ELECTRONIC CONTR OLS COOL ONL Y SQ05N10-A, SQ06N10-A, SQ08N10-A, SQ10N10-A 53[...]

ELECTRONIC CONTR OLS COOL WITH ELECTRIC HEA T MODELS EQ08M11-A C S R S WIRING DIAGRAM R MEDIUM LOW HIGH SCHEMATIC COM L E G E N D FAN FAN MTR COM CAP 1 COM HERM COMPRESSOR NO ELECTRONIC CONTROL 2 CAP L1 115 VAC OVLD OVLD 3 NEUTRAL REV. PART NO. 92120002 01 5 - COMPRESSOR - CAPACITOR - OVERLOAD PROTECTOR - FAN MOTOR - USER INTERFACE UI TF - THERMAL [...]

THERMIST ORS’ RESIST ANCE V AL UES (This T able Applies to A ll Thermistors ) 0 56.4452 5 49.6839 10 43.8591 15 38.8118 20 34.4303 25 30.6103 26 29.9068 27 29.2218 28 28.5546 29 27.9048 30 27.2717 31 26.6550 32 26.0540 33 25.4698 34 24.9004 35 24.3454 36 23.8044 37 23.2770 38 22.7628 39 22.2615 40 21.7726 45 19.5068 50 17.5040 60 14.1607 65 12.76[...]

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6 Following is a n example u sing th e heat lo ad for m: A space to be c onditioned is par t of a house geogra phically located in an area where t he lowest outdoor ambient wint er temperature is 40° F . The c alculated heat loss is 1 84 BTU / Hr . / °F . Subtract 40 °F (lowest outdoor ambient temperature f or the geographical loc ation) from 7 [...]

7 HEA TING LOAD FORM FRIEDRICH ROOM UNIT HEA T PUMPS BTU/HR PER W ALLS: E C N E R E F F I D . P M E T F ° ) t e e F r a e n i L ( 2” Insulation Lin. Ft. x 1.6 A verage Lin. Ft. x 2.6 WINDOWS & DOORS (Area, sq. ft.) Single Glass: Sq. Ft. x 1.13 Double Glass: Sq. Ft. x 0.61 INFIL TRA TION - WINDOWS & DOORS: A VG. Lin. Ft. x 1.0 Loose Lin. [...]

Kühl-Q Chassis 2012 Parts List 4 5 10 2 8 12 14 17 20 7 24 23 3 6 22 1 19 25 26 15 16 13 11 9 21 18 Kühl Q-CHASSIS UNIT EXPLODED DIAGRAM 60[...]

30 31 32 32 29 28 33 27 Kühl-Q Units’ 2012 Parts List 61[...]

Kühl Q-Chassis Service Parts List Item # COMPONENT COMPONENT D ESC RIPTION EQ08N11-A SQ05N10-A SQ06N10-A SQ08N10-A SQ10N10-A 1 61600523 CONDENSOR C OI L 1 1 1 61600522 CONDENSOR C OI L 1 1 1 2 61600274 EVAPORATOR COIL 1 1 1 2 61600275 EVAPORATOR COIL 1 1 3 61718107 KIT COMPR R EPLM T 62200118 1 1 3 61718109 KIT COMPR R EPLM T 62200007 1 3 61718112[...]

Addendum 1 Schedule Table with Energy Saving Values Start Time 600 Start Time 600 Start Time 600 Start Time 600 Start Time 600 Start Time 600 Start Time 600 System Mode Cool System Mode Cool System Mode Cool System Mode Cool System Mode Cool System Mode Cool System Mode Cool Fan Mode Auto Fan Mode Auto Fan Mode Auto Fan Mode Auto Fan Mode Auto Fan [...]

F riedrich Air C onditioning Compan y 10001 Reunion Place, Suite 500 San A nto nio, T X 78216 1-800-541-6645 ww w .friedrich. com R OOM AIR C ONDITIONERS LIMITED W ARR ANT Y FIRS T Y E A R AN Y PART : If any p art supplied b y F RIEDRICH fai ls because of a defect i n workmansh ip or material within twelve month s from d ate of orig inal purchase, [...]

Kuhl Q-Serv/PartsMan (5-1 2) FRIEDRICH AIR CONDITIONING CO. 10001 Reunion Place, Ste. 500, San Antonio, TX 78216 (210) 546-0500 877-599-5665 x 261 F AX (210) 546-0630 Email: tac@friedrich.com www .friedrich.com Printed in the U.S.A. TECHNICAL SUPPORT CONT ACT INFORMA TION FRIEDRICH AUTHORIZED P ARTS DEPOTS AAA Refrigeration Service 1322 24th Street[...]

KuhlQ-Serv/PartsMan (5-12) FRIEDRICH AIR CONDITIONING CO. 10001 Reunion Place, Ste. 500, San Antonio, TX 78216 P 210-546-0500 | F 210-546-0731 www .friedrich.com Printed in the U.S.A. [...]