Friedrich WallMaster WE10C33-A Service Manual Download Page 1

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WM-ServMan (4-10)

WallMaster

R-410A Models

2 0 1 0

Service Manual

115-Volt: WS08C10A, WS10C10A, WS12C10A
230-Volt: WS10C30A, WS13C30A, WS15C30A

Cool Only

115-Volt: WE10C33A, WE13C33A, WE15C33A

Cool with Electric Heat

230-Volt: WY09C33A, WY12C33A

Heat Pump with Electric Heat Back Up

WallMaster

Money

Fan

Timer Operation

Set Hr.

Stop

Start

Temperature

Fan

Cool

Power

Cooler

Warmer

Only

Speed

Saver

Heat

Air Conditioners and Heat Pumps

Thru-the-wall

Summary of Contents for WallMaster WE10C33-A

Page 1: ...WS13C30A WS15C30A Cool Only 115 Volt WE10C33A WE13C33A WE15C33A Cool with Electric Heat 230 Volt WY09C33A WY12C33A Heat Pump with Electric Heat Back Up WallMaster Money Fan Timer Operation Set Hr Sto...

Page 2: ...ration Repairs Charging 17 20 Hermetic Components Check 21 Reversing Valve Description Operation 22 Testing the Coil and Reversing Valve 23 24 Compressor Checks 25 26 Compressor Replacement 27 28 Rout...

Page 3: ...sistant if possible Capacitors even when disconnected from the electrical power source retain an electrical charge potential capable of causing electric shock or electrocution Handle discharge and tes...

Page 4: ...contact with liquid refrigerant can result in minor to moderate injury Be extremely careful when using an oxy acetylene torch Direct contact with the torch s flame or hot surfaces can cause serious b...

Page 5: ...drain from the unit Do not drill holes in the bottom of the drain pan or the underside of the unit Failure to follow these instructions can result in result in damage to the unit and or minor to seri...

Page 6: ...n 5th DIGIT ALPHABETICAL MODIFIER 6th DIGIT VOLTAGE 1 115 Volts 3 230 208 Volts 7th DIGIT 0 Straight Cool Heat Pump Models 3 3 KW Heat Strip Nominal 8th DIGIT Major Change A K A X 00001 A Jan D Apr G...

Page 7: ...706 16 0 14 7 3550 2950 8 5 8 5 4 2 290 WSD 116 DEFROST CONTROL Initiated at 30 F outdoor coil temperature for two consecutive minutes and terminated at 43 F outdoor coil temperature During defrost th...

Page 8: ...can be certain that the AHAM Certification Seal accurately states the unit s cooling and heating capacity rating the amperes and the energy efficiency ratio electrical DATA ELECTRIC SHOCK HAZARD WARN...

Page 9: ...r Power PM Cool Fan Only Heat Clock Start Time Stop Time Smart Fan Fan Speed Mode Timer On Off Money Saver Set Hour 2 3 4 1 6 5 7 9 8 10 11 12 14 13 Figure2 WY WEModelheat coolcontrolpanel Figure 1 WS...

Page 10: ...eset or theTimer On Off will not function when desired To Activate Money Saver WY WE models 14 Press the Money Saver button to activate the Money Saver feature The light will indicate the Money Saver...

Page 11: ...tton once to see the current clock setting Continue pressing the button until you arrive at the current time Hour only Minutes are not shown on the display Make sure that the A M P M setting is correc...

Page 12: ...ive presses will scroll through all error codes stored Press the Temp Hour button to see the reverse order of the error codes When the end of the stored error codes is reached the temperature Set Poin...

Page 13: ...PEN OR SHORT Control will assume ambient temperature is 90 degrees F when in Cool mode and 60 degrees F when in Heat mode Unit will operate see note below E4 EVAPORATOR TEMPERATURE PROBE OPEN OR SHORT...

Page 14: ...illustrations below If the outdoor coil thermister reaches 43 degrees and the compressor has waited the standard delay time of 180 240 seconds the control will 1 Turn off the backup electric heat 2 W...

Page 15: ...tor Connections The starting winding of a motor can be damaged by a shorted and grounded running capacitor This damage usually can be avoided by proper connection of the running capacitor terminals Fr...

Page 16: ...sed changed to a Liquid before leaving the condenser coil The refrigerant leaves the condenser Coil through the liquid line as a warm high pressure liquid It next will pass through the refrigerant dri...

Page 17: ...410A equipment To prevent moisture absorption and lubricant contamination do not leave the refrigeration system open to the atmosphere longer than 1 hour Weigh in the refrigerant charge into the high...

Page 18: ...igerant and oil under high pressure Proper safety procedures must be followed and proper protective clothing must be worn when working with refrigerants Failure to follow these procedures could result...

Page 19: ...FREEZE HAZARD Proper safety procedures must be followed and proper protective clothing must be worn when working with a torch Failure to follow these procedures could result in moderate or serious in...

Page 20: ...evaporator will not be encountered because the refrigerant will boil later if at all Gauges connected to system will usually have higher head pressure depending upon amount of over charge Suction pres...

Page 21: ...a partial restriction there may be gurgling sounds at the metering device entrance to the evaporator The evaporator in a partial restriction could be partially frosted or have an ice ball close to th...

Page 22: ...posite port liquid line to the indoor coil Refer to refrigerant flow chart This directs the refrigerant through the filter drier and cooling capillary tube to the indoor coil In the heating mode of op...

Page 23: ...side of the system The other two are connected to the indoor and outdoor coils Small capillary tubes connect each end of the main valve cylinder to the A and B portsofthepilotvalve Athirdcapillaryisac...

Page 24: ...the mid position part of the discharge gas from the compressor is directed back to the suction side resulting in excessively high suction pressure Should the valve fail to shift from coooling to heat...

Page 25: ...excess braze from all tubing so that they will slip into fittings on new valve 5 Remove solenoid coil from new valve The use of a torch requires extreme care and proper judgment Follow all safety reco...

Page 26: ...ated within the compressor shell usually due to recycling of the motor is slow to dissipate It may take anywhere from a few minutes to several hours for the overload to reset Checking the External Ove...

Page 27: ...is obtained the compressor is grounded and must be replaced Check the complete electrical system to the compressor and compressor internal electrical system check to be certain that compressor is not...

Page 28: ...tem will need to be cleaned up following proper procedures 7 Install the replacement compressor 8 Pressurize with a combination of R 22 and nitrogen and leak test all connections with an electronic or...

Page 29: ...refrigerant and oil from the system Remove compressor capillary tube and filter drier from the system Flush evaporator condenser and all connecting tubing with dry nitrogen or equivalent Use approved...

Page 30: ...ems Allow all items to dry thoroughly before reinstalling them ELECTRONIC ELECTRICAL MECHANICAL Periodically at least yearly or bi yearly inspect all control components electronic electrical and mecha...

Page 31: ...d rinse with warm water Allow it to dry thoroughly before reinstalling it in the chassis CLEARANCES Inspect the surrounding area inside and outside to ensure that the unit s clearances have not been c...

Page 32: ...AMPS AMPS RUNNING AMPERAGE DRAW AMPS INDOOR TEMPERATURES INDOOR AMBIENT TEMPERATURE F RELATIVE HUMIDITY RH INDOOR COOL HEAT DISCHARGE AIR TEMPERATURE INDOOR F F RETURN AIR TEMPERATURE INDOOR F F OUTD...

Page 33: ...I Power Cord Trips Reset Button Pops Out The LCDI power cord can trip Reset button pops out due to disturbances on your power supply line Press and release RESET listen for click Reset button latches...

Page 34: ...re 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 Un...

Page 35: ...o P m e l b o r P Fan motor does not run Inoperative system button Broken loose or incorrect wiring Refer to applicable wiring diagram Repair Open capacitor Test capacitor replace if inoperative Fan s...

Page 36: ...o appropriate wiring diagram Defective thermistor Replace thermistor or electronic control board e s u a C e l b i s s o P m e l b o r P Noisy operation Poorly installed Refer to Installation Manual f...

Page 37: ...o M n i e t a r e p O t i n u d e z i s r e v O Inadequate vapor barrier in building structure particularly oors Advise customer e s u a C e l b i s s o P m e l b o r P Unit short cycles Defective the...

Page 38: ...t undersized Check heat rise across coil If unit operates ef ciently check if insulation can be added to attic or walls If insulation is adequate recommend additional unit or larger one Outdoor t stat...

Page 39: ...valve Defective electronic control board Replace electronic control board e s u a C e l b i s s o P m e l b o r P Heating insuf cient Heating capillary tube partially restricted Check for partially st...

Page 40: ...UCTION PRESSURE HIGH SUCTION PRESSURE LOW HEAD PRESSURE HIGH HEAD PRESSURE LOW SUCTION PRESSURE HIGH SUCTION PRESSURE LOW HEAD PRESSURE HIGH HEAD PRESSURE PROBLEM PROBLEM PROBLEM PROBLEM PROBLEM PROBL...

Page 41: ...AT PUMP ELECTRIC SHOCK HAZARD WARNING Turn off electric power before service or installation Extreme care must be used if it becomes necessary to work on equipment with power applied Failure to do so...

Page 42: ...al Hot Warm Warm Hot TVB Hot Not enough pressure differential at start of stroke or not enough ow to maintain pressure differential Check unit for correct operating pressures and charge Raise head pre...

Page 43: ...WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL COOL ONLY MODELS 42...

Page 44: ...WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL COOL WITH ELECTRIC HEAT MODELS 43...

Page 45: ...WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL HEAT PUMP WITH ELECTRIC HEAT MODELS 44...

Page 46: ...per than 16 3 4 deep such as Fedders B sleeve 19 3 4 deep IDK Internal Drain Kit Newconstructionapplications where a condensate drain system has been built into the wall interior 163 4 FeddersB 193 4...

Page 47: ...onry walls to support the material above the WSD SLEEVE The following considerations should also be given A Adjustable SUB BASE SB 89 or other unit support must be provided for panel wall type constru...

Page 48: ...e WSD SLEEVE in the wall opening following the instructions given in the INSTALLATION REQUIRE MENTS section Attach the SLEEVE to the INSIDE WALL by driving two 12A x 2 screws in each side of the SLEEV...

Page 49: ...RD WARNING Be careful with the sharp edges and corners Wear protective clothing and gloves etc Failure to do so could result in serious injury CUT SEVER HAZARD 48 INSTALLATION INSTRUCTIONS FOR BAFFLE...

Page 50: ...e orange backing from the gasket and apply it to the base of the sleeve see g B Once the gasket has been properly applied the sleeve is ready for the air conditioner to be installed per the installati...

Page 51: ...S THE DRAIN PLATE DOWN TO FORM A WATERTIGHT SEAL AGAINST THE SLEEVE BASE 4 DRILL A 625 DIAMETER HOLE IN THE BOTTOM OF THE BASE PAN AS SHOWN IN THE ILLUSTRATION THIS HOLE ALLOWS CONDENSATE TO ENTER THE...

Page 52: ...loves etc Failure to do so could result in serious injury CUT SEVER HAZARD EXCESSIVE WEIGHT HAZARD WARNING Use two people to lift or carry the unit and wear proper protective clothing Failure to do so...

Page 53: ...L HAZARD WARNING Be careful with the sharp edges and corners Wear protective clothing and gloves etc Failure to do so could result in serious injury CUT SEVER HAZARD INSTALLATION INSTRUCTIONS SUBBASE...

Page 54: ...L HAZARD WARNING Be careful with the sharp edges and corners Wear protective clothing and gloves etc Failure to do so could result in serious injury CUT SEVER HAZARD INSTALLATION INSTRUCTIONS ARCHITEC...

Page 55: ...54 54 MECHANICAL HAZARD WARNING Be careful with the sharp edges and corners Wear protective clothing and gloves etc Failure to do so could result in serious injury CUT SEVER HAZARD...

Page 56: ...mproper installation wiring electrical current characteristics or maintenance or caused by accident misuse or abuse fire flood alterations and or misapplication of the product and or units installed i...

Page 57: ...ox 1540 San Antonio Texas 78295 1540 4200 N Pan Am Expressway San Antonio Texas 78218 5212 210 357 4400 877 599 5665 x 846 FAX 210 357 4490 Email tac friedrich com www friedrich com Printed in the U S...

Page 58: ...NOTES...

Page 59: ...NOTES...

Page 60: ...AIR CONDITIONING CO Post Office Box 1540 San Antonio Texas 78295 1540 4200 N Pan Am Expressway San Antonio Texas 78218 5212 210 357 4400 FAX 210 357 4490 www friedrich com Printed in the U S A WM Ser...

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