Friedrich WallMaster WE10C33 Service Manual Download Page 57

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TECHNICAL SUPPORT

CONTACT INFORMATION

FRIEDRICH AIR CONDITIONING CO.

10001 Reunion Place, Ste. 500, San Antonio, TX 78216
(210) 546-0500

877-599-5665 x 261

FAX (210) 546-0731

Email: [email protected]
www.friedrich.com

Printed in the U.S.A.

Summary of Contents for WallMaster WE10C33

Page 1: ...at 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 Last character may vary 1...

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: ...t 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...

Page 5: ...an or the underside of the unit Failure to follow these instructions can result in result in damage to the unit and or minor to serious property damage 4 INTRODUCTION This service manual is designed t...

Page 6: ...ts 3 230 208 Volts 7th DIGIT 0 Straight Cool Heat Pump Models 3 3 KW Heat Strip Nominal 8th DIGIT Marketing Suffix Indicates Modification Subject to change 9th DIGIT Engineering Suffix Indicates Modif...

Page 7: ...the compressor stops and the electric heat starts then operates with the fan to maintain indoor comfort The unit remains in electric heat mode DEFROST DRAIN Drain automatically opens at approximately...

Page 8: ...ogram 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...

Page 9: ...ur 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 W...

Page 10: ...ns constantly If Indoor temp is 1 5 F above set point compressor turns ON If 1 5 F below set point compressor turns OFF Cool Mode with Money Saver ON Fan cycles with the compressor ON OFF operation If...

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: ...OPEN OR SHORT Normal operation is allowed Replace probe see note below E5 CONDENSER TEMPERATURE PROBE OPEN OR SHORT Normal operation is allowed Replace probe E7 MOTOR OPERATION E9 HEAT PUMP ERROR Dur...

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 rec...

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: ...em will need to be cleaned up following proper procedures 7 Install the replacement compressor 8 Pressurize with a combination of R 410A and nitrogen and leak test all connections with an electronic o...

Page 29: ...ll 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 approv...

Page 30: ...o dry thoroughly before reinstalling them ELECTRONIC ELECTRICAL MECHANICAL Periodically at least yearly or bi yearly inspect all control components electronic electrical and mechanical as well as the...

Page 31: ...outside to ensure that the unit s clearances have not been compromised or altered ROUTINE MAINTENANCE Continued Do not drill holes in the bottom of the drain pan or the underside of the unit Not foll...

Page 32: ...OR AMBIENT TEMPERATURE F RELATIVE HUMIDITY RH INDOOR COOL HEAT DISCHARGE AIR TEMPERATURE INDOOR F F RETURN AIR TEMPERATURE INDOOR F F DIFFERENTIAL F F OUTDOOR TEMPERATURE OUTDOOR AMBIENT TEMPERATURE F...

Page 33: ...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 and remains...

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: ...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 sp...

Page 36: ...to 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...

Page 37: ...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 floors 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 th...

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

Page 39: ...lve 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 insufficient Heating capillary tube partially restricted Check for partially sta...

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

Page 43: ...WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL COOL ONLY MODELS 115 Volt WS08C10 WS10C10 WS12C10 230 Volt WS10C30 WS13C30 WS15C30 42 Last character may vary...

Page 44: ...WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL COOL WITH ELECTRIC HEAT MODELS 230 Volt WE10C33 WE13C33 WE15C33 43 Last character may vary...

Page 45: ...WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL HEAT PUMP WITH ELECTRIC HEAT MODELS 230 Volt WY09C33 WY12C33 44 Last character may vary...

Page 46: ...l i ngi nas l eeve deepert han 16 3 4 deep s uch as Fedder sBs l eeve 193 4 deep IDK Internal Drain Kit New cons t r uct i onappl i cat i onswher e acondensat edr ai n syst em hasbeen bui l ti nt ot h...

Page 47: ...ry 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 construct...

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

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: ...ts from improper 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 in...

Page 57: ...T CONTACT INFORMATION 56 FRIEDRICH AIR CONDITIONING CO 10001 Reunion Place Ste 500 San Antonio TX 78216 210 546 0500 877 599 5665 x 261 FAX 210 546 0731 Email tac friedrich com www friedrich com Print...

Page 58: ...NOTES...

Page 59: ...NOTES...

Page 60: ...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 WM ServMan 01 11...

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