Friedrich Kuhl KCQ06A10A Service & Parts Manual Download Page 56

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COMPONENTS TESTING

Electronic Control Board Identification

HPS

HEATER

RELAY

FAN 1

RELAY

FAN 2

RELAY

FAN 3

RELAY

N/L2

AMB TEMP SENSOR

ID COIL TEMP SENSOR

OD COIL TEMP SENSOR

DISCH AIR TEMP SENSOR

HIGH PRESSURE

SWITCH/JUMPER

COMP

RELAY

HEATER

RELAY

FAN 4

RELAY

(

LOW SPEED

FAN

MED SPEED

FAN

HIGH SPEED

FAN

MAX SPEED FAN

COOLING ONLY MODELS

IF INSTALLED ON

MODELS WITH HEAT THIS

IS A POWER RELAY

COMPRESSOR

POWER

L1 POWER

115 OR 230

N / L2

L1 HEATER POWER

L2 HEATER POWER

USER INTERFACE

GROUND

Reversing

Valve Relay

L2 / RV2

RV1

Figure 707 (Electronic Control Board Identification)

Summary of Contents for Kuhl KCQ06A10A

Page 1: ...1 Service Parts Manual Room Air Conditioners Q Chassis Models K hl KCQ06A10A KCQ08A10A KCQ10A10A 115 Volt K hl Electric Heat 115 Volt 93001404_00 KEQ08A11A...

Page 2: ...on Sequence Of Operation 36 ROUTINE MAINTENANCE 37 Remove And Install The Front Cover 37 Standard Filter Removal Installation Instructions 39 REMOVE AND INSTALL THE CHASSIS 41 R 410A SEALED SYSTEM REP...

Page 3: ...cinerate Only certified refrigeration technicians should service this equipment R410A systems operate at higher pressures than R22 equipment Appropriate safe service and handling practices must be use...

Page 4: ...and test capacitors according to safe established standards and approved procedures Extreme care proper judgment and safety procedures must be exercised if it becomes necessary to test or troubleshoot...

Page 5: ...ponents especially the sharp fins of the indoor and outdoor coils Use proper and adequate protective aids such as gloves clothing safety glasses etc Failure to follow proper safety procedures and or t...

Page 6: ...from a smartphone or computer Pre Programmed Timer Options Your unit s digital control comes equipped with a 24 hour timer 24 Hour Timer The 24 hour timer allows you to set 2 temperature changes at p...

Page 7: ...ponent Identification Figure 103 Model and Serial Number Location FRIEDRICH AIR CONDITIONING CO SAN ANTONIO TX MODEL NUMBER SERIAL NUMBER VOLTS 60 HZ 1PH 115 103 VOLT MIN COOLING BTU HR HEATING BTU HR...

Page 8: ...rence Guide MODEL TYPE K KUHL W WALLMASTER FUNCTION C COOL ONLY E ELECTRIC HEAT APPLICATION Q PORTABLE APPROXIMATE COOLING BTU HR ENGINEERING REVSION LETTER INDICATES AN ENGINEERING MODIFI CATION TO A...

Page 9: ...UFACTURE 17 2017 18 2018 19 2019 20 2020 21 2021 22 2022 MONTH OF MANUFACTURE 01 JANUARY 02 FEBRUARY 03 MARCH 04 APRIL 05 MAY 06 JUNE 07 JULY 08 AUGUST 09 SEPTEMBER 10 OCTOBER 11 NOVEMBER 12 DECEMBER...

Page 10: ...degrees F room air temp 50 relative humidity with 95 degree F outside air temp 40 relative humidity all systems use R 410A Test done at highest unit fan speed Figure 201 Refrigeration Systems Perform...

Page 11: ...251 2 SPECIFICATIONS Installation FRONT SIDE VIEW SLEEVE DIMENSIONS DRAWING Installation Clearances Improper installation of the Air Condtioner can cause poor performance and premature wear of the un...

Page 12: ...A KCQ08A10A KCQ10A10A KEQ08A11A 125V 15A 5 15P 6 5 15R Wire Size Use ONLY wiring size recommended for single outlet branch circuit Fuse Circuit Breaker Use ONLY the correct HACR type and size fuse cir...

Page 13: ...with the air conditioner Under no circumstances should you remove the ground prong from the plug Test the power cord All Friedrich room air conditioners are shipped from the factory with a Leakage Cu...

Page 14: ...ve the most optimum airflow positioning To adjust airflow direction grab the lever in the center of the louver bank and move it in the direction that you would like the air to be directed Please note...

Page 15: ...ith a built in backlight After 20 seconds of inactivity the display switches off Touching any button automatically changes the display to full brightness AUTO Automatically switches between cool heat...

Page 16: ...e Accessing Sub Menus Figure 304 MENU RETURN The arrow buttons navigate the 6 menu options See Figure 306 LIM LOCK TM CnCT F C diAG The return button exits the menu See Figure 305 Figure 305 MENU RETU...

Page 17: ...vigating Inside the Sub Menus The MENU button moves you forward through the sub menu See Figure 307 The return button moves you backward once inside the LIM and TM menus See Figure 308 Figure 307 MENU...

Page 18: ...first option will be to set the lower setpoint limit using the arrow buttons See Figure 310 Then you can set the higher setpoint limit using the arrow buttons See Figure 311 Pressing the menu button...

Page 19: ...ed if the unit is already connected to Wi Fi First set the hour Using the MENU button you switch to the minutes and complete setting the time See Figure 315 You select your mode Either cool heat or au...

Page 20: ...ttons The cooling mode timer only sets the cool setpoint See Figure 318 Next set the heat setpoint for your first timer period The heating mode timer only sets the heat setpoint See Figure 319 Note Th...

Page 21: ...tpoint for the second scheduled timer See Figure 321 Set the heat setpoint for the second timer Set the time to start the second timer period See Figure 322 Press the MENU button to complete the time...

Page 22: ...ahrenheit Celsius This menu is used to toggle between Fahrenheit and Celsius See Figure 324 Using the arrow buttons on the right side switches it from Fahrenheit to Celsius See Figures 325 and 326 Fig...

Page 23: ...gle between off and on See Figure 328 This is LOCK on See Figure 329 Set the first digit of the password using the arrow buttons Use the menu button to proceed to the next digit See Figure 330 Repeat...

Page 24: ...button again See Figure 331 Enter the password in the same manner it was created See Figure 332 Entering the correct password will give the user access to all of the sub menus See Figure 333 Accessin...

Page 25: ...connection This is the CnCT menu Pressing the leftmost button will activate Wi Fi See Figure 335 To setup WiFi refer to Wi Fi setup instructions The Wi Fi symbol in the top right corner of the displa...

Page 26: ...s menu is used to access the diagnostic codes See Figure 337 Selecting this sub menu shows the E that represents Error See Figure 338 Toggle through the error codes using the arrow keys See Figure 339...

Page 27: ...___________ b WI FI Network Security Type Open wep wpa wpa2 _________ c WI FI Network Password ___________________________ 2 Using a mobile device such as a smartphone or laptop navigate to www Friedr...

Page 28: ...e WI FI symbol will begin to flash This indicates the A C unit is trying to connect to your Wi Fi network NOTE Once the setup process has been started you will have five minutes to complete the setup...

Page 29: ...structions on your mobile device and click next Step 11 Click next 12 A screen will appear asking you to enter your Wi Fi credentials 13 Enter the information as you recorded it at the beginning of th...

Page 30: ...ady NOTE A GREEN symbol will appear under the Status details and the name of your Friedrich unit which will appear with a number for example 62601032R01184660025 Wi Fi TROUBLESHOOTING TIPS 1 If you re...

Page 31: ...sius C press the MENU button and enter the F C sub menu FAN SPEED The FAN SPEED button allows you to toggle between three modes of operation LOW MEDIUM and HIGH Alerts When the filter needs to be clea...

Page 32: ...entially select new fan speed plus AUTO operation When the FAN SPEED button is pressed the fan speed icon triangle changes to indicate the new speed level Fan speed automatically varies depending on t...

Page 33: ...t a little warmer will probably prevent the frosting from recurring Noises All air conditioners make some noise Friedrich units are designed to operate as quietly as possible An air conditioner mounte...

Page 34: ...Delay Cool with Heat Units The change over delay ensures that any system heating or cooling over shoot does not trigger an opposite demand cycle The change over delay 15 min This timer blocks the opp...

Page 35: ...set speed Only the Fan is turned on Cool or Heat operation are off This is different than FAN MODE ON where the fan is on with the cool or heat operation Fan Only Rules 1 If the SYSTEM FAN ONLY MODE i...

Page 36: ...line as a warm high pressure liquid It next will pass through the refrigerant drier if equipped It is the function of the drier to trap any moisture present in the system contaminants and large parti...

Page 37: ...ver door 3 Locate and disconnect electronic control power cable harness 4 Remove 4 screws attaching decorative front cover Save to reinstall later 5 Remove decorative front cover Store in a safe place...

Page 38: ...warm water and a mild dishwashing detergent Dry the filter thoroughly before reinstalling Use caution the coil surface can be sharp Fan Motor Compressor The fan motor compressor are permanently lubric...

Page 39: ...e front frame open See Figure 405 Clean the front frame by washing the dirt from the filter Use a mild soap solution if necessary Allow filter to dry 4 Install the filter grip back into the filter by...

Page 40: ...frame with the mesh is facing toward you 4 Place the new carbon filter on the top of the back filter frame The carbon filter has been cut to the correct dimension and should fit within the frame as s...

Page 41: ...port the unit Refer to Figure 502 Install the Chassis 1 Carefully team lift the chassis and set it into the cabinet Refer to Figure 501 2 Slide the chassis into the cabinet 4 Reinstall the EntryGard s...

Page 42: ...moisture absorption and lubricant contamination do not leave the refrigeration system open to the atmosphere longer than 1 hour 10 Weigh in the refrigerant charge into the high side of the system 11 I...

Page 43: ...nd that its compressor will not be damaged Too much refrigerant overcharge in the system is just as bad if not worse than not enough refrigerant undercharge They both can be the source of certain comp...

Page 44: ...ing the unit To check for an undercharged system turn the unit on allow the compressor to run long enough to establish working pressures in the system 15 to 20 minutes During the cooling cycle you can...

Page 45: ...you are sure that the air quantity over the evaporator coil is correct Icing of the evaporator will not be encountered because the refrigerant will boil later if at all Gauges connected to system will...

Page 46: ...r condition begins at the evaporator With a partial restriction there may be gurgling sounds at the metering device entrance to the evaporator The evaporator in a partial restriction could be partiall...

Page 47: ...ube 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 R 410A refrigerant 7 Start unit and verify perform...

Page 48: ...which senses both motor amperage and winding temperature High motor temperature or amperage heats the overload causing it to open breaking the common circuit within the compressor Heat generated withi...

Page 49: ...d Complete evaluation of the system must be made whenever you suspect the compressor is defective If the compressor has been operating for sometime a careful examination must be made to determine why...

Page 50: ...the instructions with the kit 6 If any evidence of a burnout is found no matter how slight the system will need to be cleaned up following proper procedures 7 Install the replacement compressor 8 Pres...

Page 51: ...mble the system including new drier strainer and capillary tube 5 Pressurize with a combination of R 410A and nitrogen and leak test all connections with an electronic or Halide leak detector Recover...

Page 52: ...s will blow the fuse ruining the capacitor A 20 000 ohm 2 watt resistor can be used to discharge capacitors safely Remove wires from capacitor and place resistor across terminals When checking a dual...

Page 53: ...VE During the cooling mode of operation condensate which collects in the drain pan is picked up by the con denser fan blade and sprayed onto the condenser coil This assists in cooling the refrigerant...

Page 54: ...fer to Electronic Control Board Identification Fig 707 4 If there is no voltage replace the electronic control board 5 If 24 VDC is present replace the User Interface and or the ribbon cable Thermisto...

Page 55: ...2 53 66 13 004 13 335 13 666 2 48 2 48 67 12 668 12 984 13 301 2 44 2 44 68 12 341 12 644 12 947 2 39 2 39 69 12 024 12 313 12 603 2 35 2 35 70 11 716 11 993 12 269 2 31 2 31 71 11 418 11 682 11 946 2...

Page 56: ...P SENSOR HIGH PRESSURE SWITCH JUMPER COMP RELAY HEATER RELAY FAN 4 RELAY LOW SPEED FAN MED SPEED FAN HIGH SPEED FAN MAX SPEED FAN COOLING ONLY MODELS IF INSTALLED ON MODELS WITH HEAT THIS IS A POWER R...

Page 57: ...necessary to work on equipment with power applied Failure to do so could result in serious injury or death WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation Extreme...

Page 58: ...ATURE INDOOR HEAT _____F OUTDOOR TEMPERATURE OUTDOOR AMBIENT TEMPERATURE _____F RH OUTDOOR RELATIVE HUMIDITY _____ DISCHARGE AIR TEMPERATURE OUTDOOR COOL _____F DISCHARGE AIR TEMPERATURE OUTDOOR HEAT...

Page 59: ...me operation after lockout time 8 Unit Cycles grater than 9 Times per hour Continue operation Continue to monitor Take no action Log Only 9 Unit Cycles less than 3 Times per Hour Continue operation Co...

Page 60: ...iances are being used on the same circuit 115 Volt only The unit requires a dedicated outlet circuit not shared with other appliances An extension cord is being used Do NOT use an extension cord with...

Page 61: ...sized to meet the cooling load and heater size is then selected to meet the heating load In extreme northern climates room air conditioners may not be able to be used as a primary source of heat Unit...

Page 62: ...ck for leak make repair Compressor not pumping properly Check amperage draw against nameplate If not conclusive make pressure test Unit does not run Fuse blown or circuit tripped Replace fuse reset br...

Page 63: ...ram Defective thermistor Replace thermistor or electronic control board Noisy operation Poorly installed Refer to Installation Manual for proper instal lation Fan blade striking chassis Reposition adj...

Page 64: ...t causting unit to short cycle Check gasket Reposition or replace as needed Restricted coil or dirty lter Clean advise customer of periodic cleaning maintenance needs of entire unit Prolonged off cycl...

Page 65: ...igh Load Conditions Low Air Flow Across Indoor Coil Reversing Valve not Fully Seated Refrigerant System Restriction Low Air ow Across Outdoor Coil Overcharged Reversing Valve not Fully Seated Overchar...

Page 66: ...L LOCATION OLP JUMPER IF REQ D COMPRESSOR HARNESS COMPR WIRE HEATER ASSY PANEL FRONT RAC GEN IV USER INTERFACE TO DISPLAY NOTE COMPRESSOR TERMINAL ORIENTATION MAY VARY REFER TO MARKINGS ON COMPRESSOR...

Page 67: ...FIED COMMON START RUN TERMINAL LOCATION OLP JUMPER IF REQ D COMPRESSOR HARNESS COMPR WIRE ASSY PANEL FRONT RAC GEN IV USER INTERFACE TO DISPLAY Table 1 SENSORS INDOOR COIL YELLOW OUTDOOR COIL BLUE AMB...

Page 68: ...68 PARTS CATALOG FIgure 901 5 10 15 20 25 35 A Detail A 30 40 45 50...

Page 69: ...400726 ASSY FILTER MESH Q ALL 1 25 62400144 ASSY FILTER CARBON SQ ALL 1 30 61625815 ASSY SHELL S W SQ VENTED 2015 ALL 1 35 62601080 RAC GEN IV REMOTE CONTROL UNIT ALL 1 40 61818523 EXPANDED METAL GRIL...

Page 70: ...70 FIgure 902 PARTS CATALOG 5 10 15 20 35 45 40 50 55 25 30 65 60...

Page 71: ...00402 STUD COMP MTG ALL 3 30 61028904 GROMMET COMP LOW DENSITY ALL 3 35 61883101 PAD ISOLATION 2X4 ALL 1 45 67000205 CAP TUBE ASSY KIT INCLUDES CAP TUBE ASSY PN 61920268 STRAINER AND STRAINER HOLDER K...

Page 72: ...72 FIgure 903 PARTS CATALOG 90 95 60 JHUI 5 10 15 20 40 45 50 55 60 65 70 75 80 100 100 105...

Page 73: ...V 2 0 KEQ08A11A KCQ08A10A KCQ10A10A 1 25 61080550 CAPCTR 35 5 MF 370V 2 0 KCQ06A10A 1 30 60062720 STRAP CAPACITOR ALL 1 35 67000185 SENSOR KIT SENSOR ID COIL TEMP YL GEN3 PN 62600213 SENSOR OD COIL TE...

Page 74: ...EAL FAN MTR TO INNER WALL ALL 1 90 61871515 MTR 1 10 1 4P CCW 2 ECM KEQ08A11A KCQ08A10A KCQ10A10A 1 90 61871514 MTR 1 25 1 6P CCW 2 ECM KCQ06A10A 1 95 61776900 MTR MOUNT XQ KEQ08A11A KCQ08A10A KCQ10A1...

Page 75: ...e installed to the bottom of the sleeve to route the condensate from the unit Model Kit No All K hl Series Models DC2 Window Mounting Kits K hl Window kits are included with cooling only models but ar...

Page 76: ...clusive remedy within sixty months from the date of the original purchase APPLICABILITY AND LIMITATIONS This warranty is applicable only to units retained within the Fifty States of the U S A District...

Page 77: ...77 THIS PAGE LEFT INTENTIONALLY BLANK...

Page 78: ...his information is used to identify product failure trends initiate corrective action and improve product quality thereby further reducing warranty expenses while increasing customer satisfaction leve...

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