Page 2 - Table Of Contents; HPRWH&RQWURO2SHUDWLRQ
1 Table Of Contents Important Safety Information .......................................................................................................................................... 2-4 Introduction ..................................................................................................
Page 3 - IMPORTANT SAFETY INFORMATION; PERSONAL INJURY OR DEATH HAZARDS; Your safety and the safety of others are very important.; WARNING; NOTICE
IMPORTANT SAFETY INFORMATION 7KHLQIRUPDWLRQFRQWDLQHGLQWKLVPDQXDOLVLQWHQGHGIRUXVHE\DTXDOL¿HGVHUYLFHWHFKQLFLDQZKRLVIDPLOLDU 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. ,QVWDOODWLRQRUUH...
Page 4 - REFRIGERATION SYSTEM HAZARDS:; +DYHD¿UHH[WLQJXLVKHUDWKDQGZKLOHXVLQJDWRUFK
% 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 conditi...
Page 5 - PROPERTY DAMAGE HAZARDS; Connect to a properly grounded outlet only.; WATER DAMAGE HAZARDS:; can result in water damage to personal items or property.; INTRODUCTION; IMPORTANT; servicing, so you can be certain of a proper diagnosis and repair.
PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS: % Read the Installation/Operation Manual for this air conditioning unit prior to operating. % 8VHDLUFRQGLWLRQHURQDVLQJOHGHGLFDWHGFLUFXLWZLWKLQWKHVSHFL¿HGDPSHUDJHUDWLQJ % Connect to a properly grounded outlet only. % Do not remove ground prong of plug. % D...
Page 6 - KuhlQ Model Number Code; UNIT IDENTIFICATION
Serial Number Decade Manufactured / & ) - A=1 D=4 G=7 B=2 E=5 H=8 A B A Y 00001 Production Run Number Year 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 – Function E = E...
Page 7 - PERFORMANCE DATA; Installation Information / Sleeve Dimensions; Window Mounting Kits; US
PERFORMANCE DATA * Installation Information / Sleeve Dimensions * Minimum extensions when mounted in a window.** Minimum widths achieved using one side curtain assembly as opposed to both in a standard installation. Circuit Rating / Breaker (B) (C) Front SIDE VIEW Model Circuit Rating Breaker or T-D...
Page 8 - ELECTRICAL DATA; ELECTRIC SHOCK HAZARD; LQVWDOOHGE\DTXDOL¿HGHOHFWULFLDQDQGFRQIRUPWR; Read, understand and follow the above warning.; FIRE HAZARD; *HACR: Heating Air Conditioning and Refrigeration
ELECTRICAL DATA ELECTRIC SHOCK HAZARD WARNING Turn off electric power before service or installation. All electrical connections and wiring MUST be LQVWDOOHGE\DTXDOL¿HGHOHFWULFLDQDQGFRQIRUPWR the National Electrical Code and all local codes ZKLFKKDYHMXULVGLFWLRQ)DLOXUHWRGRVRFDQUHVXOWLQSHUVRQDOLQMXU\...
Page 9 - WARNING: Before Operating Your Unit; Figure 1; Electrical Shock Hazard; For the best cooling performance and highest energy efficiency
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 uncondit...
Page 10 - Power On; Kuhl Q Control Panel Operation; Figure 2
8 2 DIGIT DISPLAYShows Setting for:- Set Point (Temperature)- Room Temperature- Clock (AM/PM) ON / OFF:Turns unit on/off SYSTEM:Cycles betweenHEAT, COOL orFAN ONLY FAN MODE:Sets fan to either:- Cycle automatically- Run continuously FAN SPEED:Sets fan speed:LOW, MED, HIGHor AUTO(as equipped) HEAT FIL...
Page 11 - Kühl Control Options; Customizable Programming Options:
10 Kühl Control Options FRR203 Figure 3 The Kühl gives you a variety of options for control, programming, and scheduling including wireless capabilities The new FriedrichLink™ Adapter (sold seperately) allows you to conviently control, program and monitor your air conditioning unit remotely from a s...
Page 12 - AUTO; Control Panel Operation Instructions
11 When in the SYSTEM COOL or HEAT or FAN ONLY mode, youcan 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 SYSTEM - The SYSTEM button allows you to sequentially select three modes of operation. ...
Page 13 - UP and DOWN
12 SET POINT F AUTO FAN SET POINT F AUTO FAN UP and DOWN - arrows - Pressing either or button changes the system's set point (desired room temperature). These buttons are also used for setting the Timer and other programming. FRR101 FRR100 One press equals 1 degree of change. Holding the button down...
Page 14 - DIM Function; Alerts; Wait Icon; External Control Status; SMART
13 the or buttons to change the setting. DIM Function There are three separate display brightness levels, AUTO, 20% and full (100%). To change the DIM setting, press the Power button for three seconds. FRR192 The 1 indicates a DIM setting of Auto (factory default on new units). Use FRR193 The 2 indi...
Page 15 - TIMER OR SCHEDULE OPTIONS 1 OR 2 SELECTION; To Turn On the Timer or Schedule Selected
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 fi...
Page 16 - Timer Start Time; TIMER SETTINGS
15 SET POINT F AUTO FAN Timer Start Time The display shows a normal system. Press and hold the HOUR button (Figure 4) for 3 seconds. Note: The Timer start-stop times may be set even when the system is in the Timer or Schedule mode. FRR140 AM ON FRR141 Use the or button to adjust the hour. Press the ...
Page 17 - Set theTimer Stop Time; Timer ON Scenarios
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 normal system. Press and hold the MIN button (Figure 4) for 3 seconds. Note the Time...
Page 18 - Timer OFF Scenarios; Timer - Schedule Control Block
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 Timer OFF Scenarios Scenario 1 Scenario 2 The display shows the...
Page 19 - Remote Control Operation; Remote Effectiveness
18 TIMER/SCHEDULE Button – The 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...
Page 21 - ELECTRONIC CONTROL SEQUENCE OF OPERATION; Cooling Mode; Electric Heat Operation in Cool with Electric Heat Units; F above the Heat Set Point turn off the electric heat.
ELECTRONIC CONTROL SEQUENCE OF OPERATION Cooling Mode prior to the compressor. Once the ambient temperature has been lowered to .25 Û F below the set point, the cooling cycle starts to terminate by shutting off the compressor. After a 30 seconds delay, the fan is shut off. (See figure below for grap...
Page 23 - COMPONENTS TESTING; Testing the User Interface and Relay Board; If the user interface does not turn on:; User Interface Voltage Test
ELECTRIC SHOCK HAZARD WARNING Turn off electric power before inspections, maintenances, or service. Failure to do so could result in serious injury or death. 22 COMPONENTS TESTING Testing the User Interface and Relay Board If the user interface does not turn on: 1. Unplug unit, remove the User Inter...
Page 24 - Testing the Relay Board; LN
COMPONENTS TESTING (CON’T) Testing the Relay Board LN L1 FuseT 3.15AH 250 Volts AC Indoor CoilThermistor Test for 3.3VDC. If incorrect or no voltage, replace electronic relay board. If voltage OK, check thermistor’s resistance value (See page 56). Outdoor Coil Thermistor Test here for 5VDC. If no vo...
Page 25 - CAPACITORS; Capacitor Check with Capacitor Analyzer; Dual Rated Run Capacitor Hook-up; FAN MOTOR
CAPACITORS ELECTRIC SHOCK HAZARD WARNING Turn off electric power before servicing. Discharge capacitor with a 20,000 Ohm 2 Watt resistor before handling. )DLOXUHWRGRVRPD\UHVXOWLQSHUVRQDOLQMXU\ or death. Many motor capacitors are internally fused. Shorting the terminals will blow the fuse, ruining th...
Page 26 - HEATING ELEMENT; UHDFKHV; NOTE: Always replace with the exact replacement.; KRXOGWKHIDQPRWRUIDLORU¿OWHUEHFRPHFORJJHGWKHKLJK; TESTING THE HEATING ELEMENT; FRXOGUHVXOWLQVHULRXVLQMXU\RUGHDWK
HEATING 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 U...
Page 27 - REFRIGERATION SEQUENCE OF OPERATION
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 troubleshooti...
Page 28 - ÀDPPDEOH; R-410A SEALED SYSTEM REPAIR CONSIDERATIONS; 'RQRWSXQFWXUHKHDWH[SRVHWRÀDPHRULQFLQHUDWH; Refrigeration system under high pressure
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 6HUYLFLQJHTXLSPHQWDQGFRPSRQHQWVPXVWEHVSHFL¿FDOO\GHVLJQHGIRUXVHZLWK5$D...
Page 29 - HIGH PRESSURE HAZARD; RISK OF ELECTRIC SHOCK; R-410A SEALED REFRIGERATION SYSTEM REPAIRS; )DFLOLWLHVIRUÀRZLQJQLWURJHQWKURXJKUHIULJHUDWLRQWXELQJ; EQUIPMENT MUST BE CAPABLE OF:; Refrigerant Charging; Because the Kuhl Q system is a sealed system,
Proper refrigerant charge is essential to proper unit operation. Operating a unit with an improper refrigerant charge will UHVXOWLQUHGXFHGSHUIRUPDQFHFDSDFLW\DQGRUHI¿FLHQF\ Accordingly, the use of proper charging methods during servicing will insure that the unit is functioning as designed and that i...
Page 31 - Because the KuhlQ system is a sealed system,
Proper refrigerant charge is essential to proper unit operation. Operating a unit with an improper refrigerant charge will UHVXOWLQUHGXFHGSHUIRUPDQFHFDSDFLW\DQGRUHI¿FLHQF\ Accordingly, the use of proper charging methods during servicing will insure that the unit is functioning as designed and that i...
Page 32 - UHVXOWLQPRGHUDWHRUVHULRXVLQMXU\; BURN HAZARD; Method Of Charging / Repairs
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 safet...
Page 33 - Undercharged Refrigerant Systems; DQG WKDZLQJ FDQ DOVR EH FDXVHG E\ LQVXI¿FLHQW DLU RYHU; Overcharged Refrigerant Systems; SHFL¿FDWLRQ $IWHU WKH XQLW KDV UXQ WR PLQXWHV; )DLOXUHWRGRVRFRXOGUHVXOWLQVHULRXVLQMXU\RU
Undercharged Refrigerant 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. To check for...
Page 34 - Restricted Refrigerant System; Troubleshooting a restricted refrigerant system can be
Restricted Refrigerant System Troubleshooting 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 ...
Page 35 - Single Phase Connections; DVVSHFL¿HGRQWKHUDWLQJSODWH,IOHVVWKDQPLQLPXPFKHFN; COMPRESSOR CHECKS; &RQVXOWWKHVSHFL¿FDWLRQDQGSHUIRUPDQFHVHFWLRQ; External Overload; With power off, remove the leads from compressor termi-
Locked Rotor Voltage (L.R.V.) Test 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 l...
Page 36 - Single Phase Resistance Test; GROUND TEST; ,PSURSHUDLUÀRZRYHUWKHHYDSRUDWRU
Single Phase Resistance Test Remove the leads from the compressor terminals and set the ohmmeter on the lowest scale (R x 1). Touch 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” t...
Page 37 - PROPER HANDLING OF; (YDFXDWHWKHV\VWHPZLWKDJRRGYDFXXPSXPSFDSDEOH; COMPRESSOR REPLACEMENT; Failure to do so could result in serious burn; The use of a torch requires extreme care and proper; Failure to follow proper safety procedures; Failure to follow these procedures could; CAUTION
Recommended procedure 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 A...
Page 38 - EXPLOSION HAZARD; NEVER; , under any circumstances, liquid charge a rotary; LOW; side. Doing so would cause; Available Accessories; Carbon Filter Kits
1. 2. 3. 4. 5. ELECTRIC SHOCK HAZARD WARNING Turn off electric power before service or installation. )DLOXUHWRGRVRPD\UHVXOWLQSHUVRQDOLQMXU\ or death. Sealed Refrigeration System contains refrigerant and oil under high pressure. Proper safety procedures must be followed, and proper protective clothin...
Page 39 - Standard Filter Cleaning / Installation Instructions; How to Remove the Front Cover
Standard Filter Cleaning / Installation Instructions STEP 1. Swing the door open and remove the ¿ lter by grasping the ¿ lter grip and pushing the ¿ lter holder upward and outward. STEP 2. Clean the front frame by washing the dirt from the ¿ lter. Use a mild soap solution if necessary. Allow ¿ lter ...
Page 40 - ROUTINE MAINTENANCE; COILS AND BASE PAN; up and down motion in the direction of the vertical; To Remove, Wash and Replace Filter; EXCESSIVE WEIGHT HAZARD
ROUTINE MAINTENANCE COILS AND BASE PAN The indoor coil (evaporator coil), the outdoor coil DECORATIVE FRONT COVER The decorative front and discharge air grille may becleaned with a mild soap or detergent. Do NOT usesolvents or hydrocarbon based cleaners such asacetone, naphtha, gasoline, benzene, et...
Page 41 - CLEARANCES
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. Ch...
Page 44 - How to Check the Diagnostic Codes
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 activ...
Page 45 - Key Sequence; ERROR CODES
Error Code Problem Control Board's Action 1 Front Panel Button Stuck For More Than 20 Seconds Continue to monitor for "OPEN" (Unstuck) switch. Do not process switch input. 2 Input Voltage Out of Specification (103 - 127 / 187 - 253) Open all relays until voltage is back within specs. Resume ...
Page 46 - Test Mode
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 canceltest mode, ...
Page 49 - COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS
COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS 48
Page 53 - HEAT / COOL ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS
HEAT / COOL ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS * NOTE: Heater size on the EQ08M11 is: 1.15 KW. 52
Page 55 - WIRING DIAGRAM
ELECTRONIC CONTROLS COOL WITH ELECTRIC HEAT 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 PROTECT...
Page 56 - THERMISTORS’ RESISTANCE VALUES; (This Table Applies to All Thermistors
THERMISTORS’ RESISTANCE VALUES (This Table Applies to All 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...
Page 59 - Following is an example using the heat load form:; HEAT LOAD FORM
6 Following is an example using the heat load form: A space to be conditioned is part of a house geographically located in an area where the lowest outdoor ambient winter temperature is 40°F. The calculated heat loss is 184 BTU/Hr./°F. Subtract 40°F (lowest outdoor ambient temperature for the geogra...
Page 60 - CEILING
7 HEATING LOAD FORM FRIEDRICH ROOM UNIT HEAT PUMPS BTU/HR PER WALLS: 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 Average Lin. Ft. x 2.6 WINDOWS & DOORS (Area, sq. ft.) Single Glass: Sq. Ft. x 1.13 Double Glass: Sq. Ft. x 0.61 INFILTRATION - WINDOWS &...
Page 61 - Kühl-Q Chassis 2012 Parts List
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-CHASS IS UNIT EXPLODED DIAGRAM 60
Page 62 - Kühl-Q Units’ 2012 Parts List
30 31 32 32 29 28 33 27 Kühl-Q Units’ 2012 Parts List 61
Page 64 - Addendum 1; Schedule Table with Energy Saving Values
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 600System Mode Cool System Mode Cool System Mode Cool System Mode Cool System Mode Cool System Mode Cool System Mode CoolFan Mode Auto Fan Mode Aut...
Page 65 - FIRST YEAR
Friedrich Air Conditioning Company 10001 Reunion Place, Suite 500 San Antonio, TX 78216 1-800-541-6645 www.friedrich.com ROOM AIR CONDITIONERS LIMITED WARRANTY FIRST YEAR ANY PART: If any part supplied by FRIEDRICH fails because of a defect in workmanship or material within twelve months from date o...
Page 66 - FRIEDRICH AIR CONDITIONING CO.; TECHNICAL SUPPORT; FRIEDRICH AUTHORIZED PARTS DEPOTS
Kuhl Q-Serv/PartsMan (5-12) FRIEDRICH AIR CONDITIONING CO. 10001 Reunion Place, Ste. 500, San Antonio, TX 78216(210) 546-0500 877-599-5665 x 261 FAX (210) 546-0630 Email: [email protected] Printed in the U.S.A. TECHNICAL SUPPORT CONTACT INFORMATION FRIEDRICH AUTHORIZED PARTS DEPOTS ...
