Room Air Conditioner Service and Parts Manual
Contents
1. CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS VAPOR INLET COMPLETE LIQUID COOL LOW PRESSURE VAPOR HOT BOIL OFF POINT DISCHARGED COOLED Z AIR AR EA TI III za ROOM AIR HEAT LOAD E EE ES E a REO i OUTSIDE COOLING a AIR FOR REFRIGERANT PASS THROUGH eer COMPRESSOR FE aL S gt LIQUID PRESSURE LIQUID OUTLET DROP A HIGH PRESSURE VAPOR CAPILLARY TUBE a 4 ll ou REFRIGERANT ZI LOW PRESSURE VAPOR D REFRIGERANT Figure 34 26 Room Air Conditioner Troubleshooting Guide Troublesh In general possible trouble is classified in two kinds The one is called Starting Failure which is caused from an electrical defect and the other is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application Ineffective Cooling Y Unit runs but poor cooling Check heat load increase Clean condenser Check outdoor coil Check cold air circulation for smooth flow heat exchanger and fan operation Dirty indoor coil Check gas leakage heat exchanger Not on separate circuit Repair gas leak Malfunction of fan Check inside gas Replacement of unit if pressure Clogging of air filter the unit is beyond repair Adjust refrigerant Obstruction at air outlet charge Re2. Service Manual 3 Safety Precautions Plug in the power plug Do not operate or stop the Do not damage or use an properly unit by inserting or pulling unspecified power cord out the power plug Otherwise it will cause e It will cause electric shock or It will cause electric shock or electric shock or fire fire fire esk CA SP ADS a LY HO N IE Do not modify power cord Use the air conditioner on a Always plug into a length single outlet circuit see page 7 grounded outlet Do not share the outlet with other appliances e It will cause electric shock or It will cause electric shock or No grounding may cause fire fire electric shock Ventilate before operating air Do not use the socket if itis Do not operate with wet conditionerwhen gas goes loose or damaged hands or in damp out environment lt may cause explosion fire lt may cause fire and electric It will cause electric shock and burn shock 4 Room Air Conditioner Safety Precautions If water enters the product turn off the the Do not clean the air conditioner with water power switch of the main body of appliance Contact service center after taking the power plug out from the socket It will cause electric shock or failure of e Water may enter the unit and degrade the machine insulation It may cause an electric shock CAUTION Never touch the metal parts of the unit Do not block the inlet or outlet when
3. rriedrich Room Air Conditioner Service and Parts Manual 115Volts CPO8E10 eCP06E10 ZQ08 CP12 05 06 Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautions en ath tas yes LU a alia ee ea ee a iat 3 DIMENSIONS dcir 6 Outside DIMENSIONS Cordial idad 6 Product Specifications iia uu tea A A A ed 7 lI stallati n nne e aa 8 Select the Best Location se oes ci MO a eee co Sze vac a Ad cati da 8 Installation Check 2 sens wei eet ee ag ches eal ee eee HN aa DE 8 How to Secure the Drain Pipe ae cei aa aaa a na gti a ee ba a d ae 8 Eee nen la ese se aaa mada Sara e dia 9 MCR T so Gun a co e a E DE fa at ala do ez a ES at o ada 13 Location and Function of Controls tell is 13 Remote Control Operations 2 ea at A GL pe tae sacs gee Y FE a d GU 14 Disassembly sc buu a er ado aa Dida Aaaa ad BO NL 15 Mechanical PAINS ue aceea ita 15 AI LEGII RAS Uen cate aaa ea et ani d alla o a a a i aaa d 16 Electrical PAN ue aa is cui Anal aa ata ana BOEN oala ada AO NO out Rd aaa trai 17 Retngerating COV CLG zecime aer tc aa a ua la a a lt tt Cauta 19 Schematic Diagram ee ee a pia at ee ese ct Ca a 22 Winnog DI te ge i Get lan a a E oe lant oN CGI SARI RIP ICR TRAI PONEI VER Ab 22 Electronic Control DEVICE ue poa patata 24 Components Locati
4. 2 Remove the screw which fasten control panel from control box 3 Remove the screw which located in the front 4 Open the bottom side of control box 5 Remove the screw and the clamp which fastens the capacitor 6 Disconnect all the leads of capacitor terminals 7 Re install the components by referring to the removal procedure above See Figure 27 Figure 27 4 THERMOSTAT MODEL R1003Y4 1 Remove the control box 2 Open the control box 3 Remove the 2 screws which fasten the thermostat 4 Disconnect 2 leads of thermostat terminals 5 Remove the thermostat 6 Re install the components by refereing to the above removal procedure See Figure 28 Figure 28 18 Room Air Conditioner Disassembly 6 ROTARY SWITCH E MODEL R1003Y4 1 Remove the control box 2 Open the control box 3 Remove the 2 screws which fasten the rotary switch 4 Disconnect all the leads of the rotary switch terminals 5 Remove the rotary switch 6 Re install the components by referring to the above removal procedure See Figure 29 7 POWER CORD 1 Remove the control box 2 Open the control box 3 Disconnect the grounding screw from the control box Disconnect the 2 receptacles 5 Remove a screw which fastens the clip cord See Figure 30 Remove the power cord Re install the component by referring to the above removal procedure above Use only one ground marked hole 1 for ground connection If
5. Check voltage at outlet Correct if none Power supply cord Check voltage to rotary switch If none check power supply cord Replace cord if circuit is open Rotary switch Check switch continuity Refer to wiring diagram for terminal identification Replace switch if defective Wire disconnected or Connect wire Refer to wiring diagram for connection loose terminal identification Repair or replace loose terminal Capacitor Discharge Test capacitor capacitor before testing Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Will not rotate Fan blade hitting shroud or blower wheel hitting scroll Re align assembly Units using slinger ring condenser fans must have 0 22 0 25 inch clearance to the base If necessary shim up the bottom of the fan motor with mounting screw s Check fan motor bearings if motor shaft will not rotate replace the motor Fan motor runs Revolves on overload Check voltage See limits on this page If not within limits call an electrician Test capacitor Check bearings Does the fan blade rotate freely If not replace fan motor Pay attention to any change from high speed to low speed If the speed does not change replace the motor 32 Room Air Conditioner Troubleshooting Guide COMPLAINT Fan motor noise CAUSE REMEDY Fan If cracked out of balance or partially missing replace it Blower If cracked
6. FRONT GRILLE remove the 2 screws which fasten the cabinet at both sides Remove the 2 screws which fasten the cabinet at back Pull the base pan forward See Figure 18 Remove the cabinet Re install the component by referring to the removal procedure above 3 CONTROL BOX 1 Disconnect the unit from the power source 2 Remove the front grille 3 Remove the cabinet 4 Remove the screw which fastens the control box cover 5 Remove the housing which connects motor wire in the control box 6 Remove the 3 leads from the compressor 7 Discharge the capacitor by placing a 20 000 ohmresistor across the capacitor terminals 8 Remove the 2 screws which fasten the control box See Figure 19 9 Pull the control box forward completely 10 Re install the components by referring to the removal procedure above See Figure 19 Disassembly Figure 17 Figure 18 EHH HAH FH H H H H H H H HT H FH If if JE Gy Figure 19 Service Manual 15 Disassembly 1 AIR GUIDE AND BLOWER Remove the front grille Remove the cabinet Remove the control box Remove the 3 screws which fasten the brace Remove the brace Remove the 2 screws which fasten the evaporator Move the evaporator forward and pulling it upward slightly See Figure 20 Move the evaporator to the left carefully Pull out the hook of orifice
7. by pushing the tabs and remove it See Figure 21 Remove the clamp with a hand plier which secures the blower NO oO E WD 10 11 Remove the blower 12 Remove the 4 screws which fasten the air guide from the barrier 13 Move the air guide backward pulling out from the base pan 14 Re install the components by referring to the removal procedure above 2 FAN AND SHROUD 1 Remove the cabinet 2 Remove the brace 3 Remove the 3 screws which fasten the condenser 4 Move the condenser to the left carefully 5 Remove the clamp which secures the fan 6 Remove the fan and then pull out the shroud See Figure 22 7 Re install by referring to the removal procedure 16 Room Air Conditioner Figure 22 oe KC 7 7 WIU amp A Disassembly 3 MOTOR 1 Remove the cabinet 2 Remove the evaporator 3 Remove the orifice 4 Remove the blower 5 6 AX WR Remove the fan Remove the control box cover and housing of the motor in the control box 7 Remove the 2 screws which fasten the motor from the mount motor See Figure 23 8 Remove the motor 9 Re install the components by referring to the removal procedure above See Figure 23 Figure 23 1 OVERLOAD PROTECTOR U 1 Remove the cabinet Ses 7 gt 2 Remove the nut which fastens the terminal cover EN N 3 Remove the terminal cover See Figu
8. for balancing the cabinet About 1 2 Sill support l E Sash track 7 Attach the cabinet to the window stool by driving the pee screws Type B Length sixteen millimeters and below through the front angle into window stool 8 Pull each Frame Curtain fully to each window sash i Screw Type B track and repeat step 2 Sill support Figure 9 9 Attach each Frame Curtain the window sash using screws Type C See Figure 10 CAUTION DO NOT DRILL A HOLE IN THE BOTTOM PAN The unit is designed to operate with approximately 1 2 of water in bottom pan Figure 10 Service Manual 11 Installation 10 Slide the unit into the cabinet See Figure 11 CAUTION For security purpose reinstall screws A Type A at cabinet s sides Screw Type A 11 Cut the Foam Strip to the proper length and insert between the upper window sash and the lower window sash See Figure 12 12 Attach the Window Locking Bracket with a Type C screw See Figure 13 13 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the front of the cabinet Push the grille in until it snaps into place See Figure 14 14 Lift the inlet grille and secure it with a Type A screw through the front grille See Figure 15 15 Window installation of room air conditioner is now completed See ELECTRICAL DATA for attaching power cord to electrical outlet Power cord Screw Type A Fi
9. removing the filter They are sharp and may cause injury It may cause failure of appliance or performance deteriorate Ensure that the outer caseis not damaged Be cautious not to touch the sharp edges by age orwear when installing Leaving it damaged couldresult in the air lt may cause injury conditioner falling out of the window creating a safety hazard Service Manual 5 Dimensions Dimensions A This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the A air conditioner This symbol indicates special notes 525 20 116 y 470 18 1 2 a 353 13 7 8 l 6 Room Air Conditioner Specfications M Product Specifications MODLES CP08E10 CP06E10 POWER SUPPLY 19 115 60Hz COOLING CAPACITY INPUT RUNNING CURRENT E E R BTU W h INDOOR C 26 7 DB 19 4 WB OUTDOOR C 35 DB 23 9 WB REFRIGERANT R 22 CHARGE 490g 17 3 oz 285g 10 1 oz OPERATING DB Dry Bulb WB Wet Bulb Service Manual 7 Installation Mi Installation Select the Be To prevent vibrat
10. the supply cord of this appliance is damaged it must be replaced by the special cord The special cord means the cord which has the same specification marked on the supply cord attached at the unit T gt N O 00 Figure 29 Figure 30 Refrigerating Cycle to attach the recovery system install one such as a WATCO A 1 before venting the Freon Leave A CAUTION Discharge the refrigerant system using a Freon Recovery System If there is no valve the valve in place after servicing the system 1 CONDENSER 1 Remove the cabinet 2 Remove the 3 screws which fasten the brace 3 Remove the 3 screws which fasten the condenser and shroud 4 After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections 5 Remove the condenser carefully 6 Re install the component by referring to notes See Figure 31 N A BU HER Figure 31 Service Manual 19 Disassembly 2 EVAPORATOR Remove the cabinet Remove the 2 screws which fasten the evaporator Move the evaporator sideways carefully After discharging the refrigerant completely unbraze the interconnecting tube at the evaporator connections 5 Remove the evaporator carefully 6 Re install the component by referring to notes See Figure 32 3 CAPILLARY TUBE 1 Remove the cabinet 2 After discharging the refrigerant completel
11. 38310 567480 Damper Assembl Cabinet Assy Single Grille Assy Front Grille Assy Inlet Cover o T o Louver Horizontal N Louver Vertical Thermistor Power Cord Assy 267110 249950 237200 268711 1 268711 146811 349600 346811 349480 354210 554030 Remote Controller Case Assembly Control Panel Control PWB PCB Assy Displa PWB PCB Assy Main Swing Louver Motor Bracket Motor Motor Assy Single Evaporator Assembly Condenser Assembly First Tube Assy Suction 352113 352115 1 Tube Assy Discharge Tube Connector 552113 352380 554160 Tube Connector Tube Assembly Condenser Out Duct Assembly Compressor Tube Assy Capilla Isolator Comp Fan Assy Axial 359012 Fan Turbo 148000 567502 wocz 731273 W4860 749740 Supporter O L P Overload Protect Capacitor installation Kit w Curtain N Clamp Spring Upper Guide Cabinet 7 m gt A A 147582 149980 152302 238310 567480 264110 267110 249950 237200 268711 1 146811 349600 346811 349480 354210 554030 35211A 352113 352115 1 552113 352380_ 554160 552102 550140 559010 359012 148000 567502 731273 W48602 749740 36 Room Air Conditioner Use Factory Certified Parts rriedrich FRIEDRICH AIR CONDITIONING CO Visit our web site at www friedrich com Post Office Box 1540 4200 N Pan Am Expressway San Anto
12. Determine if the unit is properly sized for the area to be cooled Excessive noise Blower or fan Check the set screw or clamp If loose or miss ing correct If the blower or fan is hitting scroll or barrier rearrange the air handling parts Copper tubing Remove the cabinet and carefully rearrange the tubing not to contact the cabinet compressor shroud and barrier 34 Room Air Conditioner Exploded View E Exploded View Ser vice Man ual 35 CP06E10 67302912 67303502 67303714 67306017 67306110 67400148 67306208 67306264 67303108 67304309 67500142 67307806 67300020 67307704 67305511 67305512 67307621 67307622 67300902 67303604 67303013 67303412 67400186 67400187 67302228 67302316 67305101 67305105 67302319 67302736 67304904 67400188 67301900 67303203 67302609 67303901 67301405 67300718 67306312 67302500 67304002 CP08E10 67302905 67303502 67303714 67306017 67306110 67400148 67306208 67306264 67303104 67304309 67500142 67307806 67300020 67307704 67305513 67305512 67307621 67307622 67300902 67303604 67303005 67303412 67302422 67400189 67302229 67302317 67305102 67305106 67305200 67302736 67500120 67400190 67301901 67303203 67302609 67303901 67301406 67302726 67306312 67302500 67304002 DESCRIPTION Base Assy Single LocNo 130410 349001 13091 13531 13531 13551 14758 14758 149980 152302 2
13. For your sleeping comfort once Time is set the temperature setting will rise 2 F after 30min and once again after 30min Push Timer button to advance setting from 1hr 2hrs 12hrs maximum 6 AUTO SWING This button can automatically control the air flow direction 7 REMOTE CONTROL SENSOR To receive the signal from remote controller Inserting the Remote Control Batteries 1 Push out the cover on the back of the remote control with your thumb 2 Pay attention to polarity and insert two new AAA 1 5V batteries 3 Reattach the cover 14 Room Air Conditioner NOTE Do not use rechargeable batteries Make sure that both batteries are new sln order to prevent discharge remove the batteries from the remote control if the air conditioner is not going to be used for an extended period of time Keep the remote control away from extremely hot or humid places To maintain optimal operation of the remote control the remote sensor should not be exposed to direct sunlight E Disassembly Before the following disassembly POWER SWITCH set to OFF and disconnect the power cord 1 FRONT GRILLE Qn E D Open the Inlet grille upward or downward Remove the screw which fastens the front grille Pull the front grille from the right side Remove the front grille Re install the component by referring to the removal procedure above See Figure 17 CABINET After disassembling the
14. Guide and Frame Guides Fasten the curtains to the unit with 4 Type A screws CABINET INSTALLATION 1 Open the window Mark a line on center of the window stool or desired air conditioner location Carefully place the cabinet on the window stool and align the center mark on the bottom front with the center line marked in the window stool Pull the bottom window sash down behind the Upper Guide until it meets Do not pull the window sash down so tightly that the movement of Frame Curtain is restricted 10 Room Air Conditioner Foam Pe Type A Upper Guide Screw Frame Guide Upper Guide ZA Window stool Front Angle Figure 5 Figure 6 Installation 3 Loosely assemble the Sill Support using the parts in Figure 7 INDOOR OUTDOOR Sill Support Nut Figure 7 4 Select the position that will place the Sill Support near the outer most point on sill See Figure 8 Be careful when you install the cabinet Frame Frame Guide Screw Type A Guides are broken so easily lt yn E SN Li i ja Z SW NAF T7 3 UU T Cabinet 5 Attach the Sill Support to the cabinet track hole in INDOOR OUTDOOR relation to the selected position using 2 Type A screws in each support See Figure 8 Figure 8 6 The cabinet should be installed with a very slight Seren Tyne B Scien DA tilt about 1 2 downward toward the outside See c Figure 9 Adjust the bolt and the nut of Sill Support
15. an 1 two of wood strip are not necessary Installation HARDWARE Type A 16EA SCREW Type B 3EA SCREW Type C 5EA SCREW INNER SILL X OUTER SILL INDOORS OUTDOORS Figure 3 WOOD STRIP MOUNTED 1 MAX ae N TOP OF INNER SILL _ CN gt CLEARANCE STORM WINDOW INNER FRAME sit WOOD STRIP FOR L BRACKET X OUTER SILL INDOORS OUTDOORS Figure 4 Type J 1EA FOAM PE Type H 1EA FOAM STRIP Type l 1EA UPPER GUIDE Type K 2EA FRAME GUIDE Type D 2EA Type E 2EA NUT FRAME CURTAIN Type F 2EA SILL SUPPORT Type G 2EA BOLT WINDOW LOCKING BRACKET Type O 1EA DRAIN WASHER Type L 1EA Type M 1EA FOAM PE Type N 1EA DRAIN JOINT PIPE Service Manual 9 Installation PREPARATION OF CHASSIS 1 Remove the screws which fasten the cabinet at both sides and at the back Slide the unit from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet Cut the window sash seal to the proper length Peel off the backing and attach the Foam Pe to the underside of the window sash Remove the backing from the top Upper Guide Foam Pe and attach it to the bottom of the Upper Guide Attach the Upper Guide onto the top of the cabinet with 3 type A screws Insert the Frame Guides into the bottom of the cabinet Insert the Frame Curtain into the Upper
16. es not operate Is the voltage NO 1 or 4 of ICO1M DC 5V NO Exchange ICO1M Is the voltage NO 13 or 16 of ICO1M OV NO Exchange ICO1M Check the RY Hi or RY Lo Check the wiring diagram 30 Room Air Conditioner Possible Trouble 5 Is the voltage of Battery NO Troubleshooting Guide Romote controller does not operate about over 2 3V ves Is the voltage No 16 NO Exchange the battery of CN DISP1 on Main P W B Assy DC 5V Is the connection of NO Check the P W B pattern Connect connector to CN DISP1 all right Exchange Receiver Ass y Possible Trouble 6 NO gt CN DISP1 exactly It displays abnormally on Display P W B Ass y Is the ICO1G all right pel Exchange ICO1G Connect connector NO Is the connection of NO CN DISP1 all right yes Does the Q01G NO Q02G G03G Q04G operate normally to CN DISP1 exactly on main P W B Ass y Exchange the display P W B Ass y Exchange Q01G G02G G03G G04G Service Manual 31 Troubleshooting Guide ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 115V 10 103 5V 126 5V COMPLAINT CAUSE REMEDY Fan motor will not run No power
17. essor Check the compressor for open circuit or ground If open or grounded replace the compressor Overload Check the compressor overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool and retest Service Manual 33 Troubleshooting Guide COMPLAINT CAUSE REMEDY Compressor cycles on Voltage Check the voltage See the limits on the overload preceding page If voltage is not within these limits call an electrician Overload Check overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool and retest Compressor cycles on Fan motor If not running determine the cause Replace if overload required Condenser air flow restriction Remove the cabinet inspect the interior surface of the condenser If restricted clean carefully with a vacuum cleaner do not damage fins or brush Clean the interior base before re assembling Condenser fins If the condenser fins are closed over a large damaged area on the coil surface head pressures will increase causing the compressor to cycle Straighten the fins or replace the coil Capacitor Test the capacitor Wiring Check the terminals If loose repair or replace Refrigeration system Check the system for a restriction Insufficient cooling Air filter If restricted clean or replace Unit undersized
18. gure 11 Foam Strip Figure 12 Window Locking Bracket Figure 13 12 Room Air Conditioner Figure 16 Operation N Operation DESIGNED FOR COOLING ONLY POWERFUL AND INCREDIBLE COOLING TOP DOWN CHASSIS FOR THE SIMPLE INSTALLATION AND SERVICE e BUILT IN ADJUSTABLE THERMOSTAT e WASHABLE ONE TOUCH FILTER e COMPACT SIZE CAUTION If you turn off the air conditioner or switch from cooling to the fan wait at least 3 minutes before setting to cooling again FRI i peration off Turns air conditioner off Med Fan Med speed fan operation without cooling Low Fan Low speed fan operation without cooling High Cool Cooling with high speed fan operation Med Cool Cooling with med speed fan operation Low Cool Cooling with low speed fan operation This automatically controls the temperature of the indoor air Turn the knob so that arrow points to the larger marks for greater cooling Point the arrow to the smaller marks for more moderate cooling i e the higher the number the greater the cooling FOR NORMAL COOLING 1 Turn the operation switch to the High Cool or the Low Cool setting 2 Set the thermostat control to the desired temperature mark the mid point is a good starting position If the room temperature is not satisfactory after a reasonable time adjust the con trol to a cooler or warmer setting as appropriate FOR MAXIMUM COOLING 1 Turn the operation switch to the H
19. igh Cool setting 2 Set the thermostat control to the largest temperature mark FOR GUIETER OPERATION 1 Turn the operation switch to the Low Cool setting 2 Set the thermostat control as needed Service Manual 13 How to operate your Friedrich CP O D oF Fan hr Speed e 6 e o Money Fan Cool A Savers Only e Dry Temp Timer On Off Mode W e Auto Swing d sad Control and Remote Control Operations 1 POWER Operation begins when this button is pressed and stops when you press the button again 2 TEMPERATURE CONTROL The thermostat monitors room temperature to maintain the desired temperature The thermostat can be set between 60 F 86 F 16 C 30 C OPERATION MODE SELECTOR Select cooling mode to cool the ro ba om Select Money Saver mode for energy saving operation Select fan mode for basic ventilating fan operation Select dry mode for dry operation dehumidify operation 4 FAN SPEED SELECTOR For increased power while cooling select a higher fan speed 3 speeds Low Med High S re Fan Speed Timer Mode OHS e amp t 3 uto in 5 ON OFF TIMER ON If the unit is off use Timer to set number of hours before unit starts Push Timer button to advance setting from 1hr 2hrs 12hrs maximum OFF You will usually use shut off time while you sleep If unit is running use Timer to set number of hours until shut off
20. ion and noise make sure the unit is installed securely and firmly it wh h hi irectl h 2 Install the unit where the sun does not shine directly on the INSIDE OUTSIDE unit FENCE 3 The outside of the cabinet must extend outward for at least AWNING r 11 and there should be no obstacles such as a fence or NS wall within 20 from the back of the cabinet because it will COOLED AIR B HEAT prevent heat radiation of the condenser a RADIATION Restriction of outside air will greatly reduce the cooling effi ciency of the air conditioner A 0 RES ABOUT 1 4 Over 20 CAUTION All side louvers of the cabinet must 2 A remain exposed on the outdside of the structure 2 4 Install the unit slanted slightly so the back is slightly lower than the front about 4 This will force condensed water to the outside 5 Install the unit with the bottom about 30 60 above the floor level Figure 1 The setting conditions must be checked prior to initial starting The following items are especially important checking points when the installation is finished 1 Grounding wire Green or Green and Yellow is provided in the power cord The green wire must be grounded 2 Connect to a single outlet 15A circuit or 20A circuit for Electric Heater Model 3 To avoid vibration or noise make sure the air conditioner is installed securely 4 Avoid placing furniture or draperies in front of the air inlet and outlet In hu
21. ircuit Diagram MODEL WG8005R WG1005R POWER INPUT OR BR BK 121 RY SYNC TRANS FORMER oy L 115V T2A APB SI E ers Ru E WIRING DIAGRAM LOCATION NO DESCRIPTION QTY PER SET Schematic Diagram POWER CORD ASSEMBLY 1 FAN MOTOR 1 COMPRESSOR DISPLAY P W B ASSEMBLY MAIN P W B ASSEMBLY THERMISTOR CAPACITOR GO l dl Ol Gl gt OWERLOAD PROTECTOR Service Manual 23 Schematic Diagram y C ron Elect AOS NOS MRL NOS ASE yoo Yn a else TIL El 2 S ao 44 2 aroz SS ao azoo Z ao HA KN dSIG N9 dSIG NO 089 Bravo ael NOO AB o E 218 iw O lo Z ator asoa H3MOd NIV z 720 Eas AAG VPOOZNII 4 FE g E 51001 mss Le Ee L ie mr Nv4 100 8 HALL 6 LV3H AUG Lev 1S39 V OL 15909090 5 ONIMS V yn 1090 x ie wOLIOWd O 7009 0161q 11610 OL 4800 AYMP NO ams E s S lO er er ir or ee se 4e se se ve o 2 Nd ONIMS OLNY 4900 ONAS AH 3 035 T5 ES QUES NETO queas 55 TEST pueos pusi OS ve E mo an an ABS T ong US T 300W sue T NMOG naL ins veen mi 440 N0 an BL niais Woow k z E E 9 7 g g o Y oja s n s 5 n si oc ic e
22. mid weather excess water may cause the Base Pan to overflow To drain the water remove the Drain Cap and secure the Drain Pipe to the rear hole of the Base Pan Figure 2 Hang 2 Push Drain Pipe Drain Cap Figure 2 8 Room Air Conditioner Installation Window Requirements All supporting parts should be secured to _ firm wood masonry or metal This unit is designed for installation in standard double hung windows with actual opening widths of 22 to 36 The upper and lower sash must open sufficiently to allow a clear vertical opening of 15 from the bottom of the sash to the window stool If storm window presents interference fasten a 2 wide wood strip to the inner window sill across the full width of the sill The wood strip should be thick enough to raise the height of the window sill so that the unit can be installed without interference by the storm window frame See Figure 4 Top of wood strip should be approximately 3 4 higher than the storm window frame STORM WINDOW FRAME or wood strip OUT DOORS to help condensation to drain properly to the outside Install a second wood strip approximately 6 long by 11 2 wide and same thickness as first strip in the center of the outer sill flush against the back off the inner sill This will raise the L bracket as shown Figure 4 If the distance between STORM WINDOW FRAME and WOOD STRIP MOUNTED ON TOP OF INNER SILL is more th
23. move obstruction Malfunction of compressor FH Check clogging in refrigera Replacement of tion circuit compressor Satisfactory operation with temperature difference of inlet amp outlet air 44 50 F 7 10 C Repair clogging in refrigeration circuit Service Manual 27 Troubleshooting Guide Fails to Start Y Check of power source Check of control panel setting Compressor fails only to start Drop of power voltage Defect of compressor capacitor Y Check of circuit breaker and fuse Check control panel Improper thermistor setting Loose terminal connection Capacitor check lt x Replacement Improper wiring Y Fan only fails to start Improper wiring Defect of fan motor capacitor Irregular motor resistance Q Irregular motor insulation Q Replacement of fan motor Irregular motor resistance Q Irregular motor insulation Q Replacement of compressor Motor damaged 28 Room Air Conditioner Regular but fails to start Replacement of compressor Locking of piston metal E MODEL BG8000ER WG8000RY4 WG1000RY4 ELECTRIC PARTS TROUBLESHOOTING GUIDE Possible Trouble 1 The unit does not operate NO Troubleshooting Guide Is the Trans input power AC 115V YES Is the Trans output power Se Is shorted the Tra
24. nio Texas 78295 1540 210 357 4400 FAX 210 357 4490
25. ns output abou 7 SIS Check the Fuse Check the wiring diagram Check the Main P W B pattern NO Kl e Exchange the Trans Exchange DO2D D05D Is output Voltage of ICO1D DC 12V Is output Voltage of ICO2D se wl Exchange IC01D gt Exchange ICO2D DC 5V Is the reset circuit all right NO The No 14 of Micom is 5V YES Is the connection between NO Exchange ICO1A Main and Display all right YES NO dal Connect connector exactly Check the P W B Is the voltage No 18 of Micom DC 5V ves Exchange Main P W B Ass y U pattern Service Manual 29 Troubleshooting Guide Possible Trouble 2 The compressor does not operate setting set lower than Roo Set the Temp setting to lower Temp Is the voltage No 10 of ICO1M OV Is the voltage NO 7 of Is the Unit for 3 minutes NO ICO1M DC 5V s Check the RY COMP Exchange ICO1M Wait 3 Minutes Check the wiring Diagram Exchange MAIN P W B Ass y Possible Trouble 3 The compressor always operate Is the wire connection of NO RY COMP all right pres s Check the RY COMP Connect LEAD Wire to RY COMP again Possible Trouble 4 Fan do
26. o xL lt IB os GY mw foa ov pe woz dEOH ZE HL 3ald 970e6Lva MO no an E__ vo Age seus vioo zo osemns mp HL NOOH AS 24 Room Air Conditioner Schematic Diagram Components Location For Main PW B O Less gym E L CN THI J05 05008 6 7 e BH 5 L E n S g Z PWB P NO 6870A90069F co ROW PWB ASS Y 6871A10119 a PWB ASS Y 6871410123 POWER TRANS P NO 6870A90070A PWB ASM 6871A20443 10 C 00000 J01 al Swi FAN SPEED O ooooo 1 ose o DIGIT J02 o o o ooooooo CN DISP LED3 LED6 J12 TIMER E SAVER D OO UTO SWING SWe o t D03F 10 Te M wed O Service Manual 25 Troubleshooting Guide E Troubleshooting Guide CONDENSER COIL aa CAPILLARY TUBE MOTOR COMPRESSOR BLOWER EVAPORATOR COIL Figure 38 is a brief description of the important components and their function in what is called the refrigeration system This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle
27. on For Main PW B ASM ii 25 Tioubleshooting GUNG nic ec a t ta a bt 26 PIPING SY Stei acte ei aia ar a ae a e a a YE CW ar Da a e 26 Troubleshooting Guide cca a ia ra ap a a apa 27 Exploded View ais i rek ot Coe ee eg aac A au na OR aaa 35 Replacement Parts B L cu getea ea i i apa nant nets aii 36 2 Room Air Conditioner Safety Precautions B Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed m Incorrect operation due to ignoring instructions will cause harm or damage The seriousness is classified by the following indications A WARNING This symbol indicates the possibility of death or serious injury A CAUTION This symbol indicates the possibility of injury or damage to property only m Meanings of symbols used in this manual are as shown below O Be sure not to do _ 6 Be sure to follow the instruction A WARNING Always install the expansion panel s Do not place the power cord near a heater Improper assembly or installation may cause It may cause fire and electric shock incorrect operation including injury fire and electric shock hazards J Do not use the power cord near flammable Do not disassemble or modify products gas or combustibles such as gasoline benzene thinner etc It may cause explosion or fire e It may cause failure and electric shock
28. out of balance or partially missing replace it Loose set screw Tighten it Worn bearings If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace motor Compressor will not run fan motor runs Voltage Check voltage See the limits on the preceding page If not within limits call an electrician Wiring Check the wire connections if loose repair or replace the terminal If the wires are discon nected refer to wiring diagram for identification and replace the wires Check the wire connections If not according to the wiring diagram correct the connections Thermistor Check the TEMP control If not at the lowest number set TEMP control to this setting and restart the unit Check the continuity of the thermistor Replace the thermistor if the circuit is open Rotary Check for continuity refer to the wiring diagram for terminal identification Replace the switch if the circuit is open Thermostat Check the position of knob If not at the coldest setting advance the knob to this setting and restart the unit Check the continuity of the thermostat Replace the thermostat if the circuit is open Capacitor discharge capacitor before Check the capacitor Replace if not within 10 of manufacturer s servicing rating replace if shorted open or damaged Compr
29. pres sure would indicate a possible leak or moisture 20 Room Air Conditioner Figure 32 remaining in the system With valves A and B closed stop the vacuum pump 4 Remove the hose from the vacuum pump and place it on the charging cylinder See figure 37B Open valve C Discharge the line at the manifold connection 5 The system is now ready for final charging 6 Recharge as follows 1 Refrigeration cycle systems are charged from the High side If the total charge cannot be put in the High side the balance will be put in the suction line through the access valve which you installed as the system was opened 2 Connect the charging cylinder as shown in figure 33B With valve C open discharge the hose at the manifold connection 3 Open valve A and allow the proper charge to enter the system Valve B is still closed 4 If more charge is required the high side will not take it Close valve A 5 With the unit running open valve B and add the balance of the charge a Do not add the liquid refrigerant to the Low side b Watch the Low side gauge allow pressure to rise to 30 lbs c Turn off valve B and allow pressure to drop d Repeat steps b and c until the balance of the charge is in the system 6 When satisfied the unit is operating correctly use the pinch off tool with the unit still
30. re 24 POA 4 Remove all the leads from the overload protector Y 5 Remove the overload protector 6 Re install the component by referring to the d removal procedure above LS Figure 24 2 COMPRESSOR 1 Remove the cabinet 2 Discharge the refrigerant system using a Freon Recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the Freon Leave the valve in place after servicing the system 3 Remove the overload protector 4 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections 5 Remove the 3 nuts and the 3 washers which fasten the compressor 6 Remove the compressor See Figure 25 Figure 25 7 Re install the components by referring to the removal procedure above PDT Z Service Manual 17 Disassembly 3 CAPACITOR MODEL R1003Y4 1 Remove the control box 2 Remove the knobs and the screw which fasten control panel from control box 3 Remove the screw which is located in the front Open the bottom side of control box Remove the screw and the clamp which fasten the capacitor Disconnect all the leads of capacitor terminals Re install the components by referring to the removal procedure above See Figure 26 as Figure 26 NO MODEL BG8000ER WG8000RY4 WG1000RY4 1 Remove the control box
31. running and clamp on to the pinch off tube Using a tube cutter cut the pinch off tube about 2 inches from the pinch off tool Use sil fos braze and braze pinch off tube closed Turn off the unit allow it to set for a while and then test the leakage of the pinch off connection Disassembly Equipment needed Vacuum pump Charging cylinder Manifold gauge Brazing equipment Pin off tool capable of making a vapor proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve COMPOUND GAUGE CONDENSER B HIGH PRESSURE SIDE MANIFOLD U o GAUGE B CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR LOW PRESSURE SIDE COMPRESSOR EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 33A Pulling Vacuum Figure 33B Charging Service Manual 21 Schematic Diagram E Schematic Diagram MODEL SKER e STI Plain Ribbed ROTARY SWITCH SA GN GN YL ry RD O O 6 THERMOSTAT 8 WIRING DIAGRAM 3854AR3563A 2 S Service Parts N Non Service Parts LOCATION QTY REMARKS NO DESCRIPTION PER SET 1 POWER CORD ASSY 1 S 2 FAN MOTOR 1 S 3 COMPRESSOR 1 S 4 ROTARY SWITCH 1 S 5 THERMOSTAT 1 S 6 CAPACITOR 1 S 7 OVERLOAD PROTECTOR 1 S 8 P T C 1 S 22 Room Air Conditioner C
32. y unbraze the interconnecting tube at the capillary tube 3 Remove the capillary tube 4 Re install the component by referring to notes BON NOTICE Replacement of the refrigeration cycle 1 When replacing the refrigeration cycle be sure to Discharge the refrigerant system using a Freon recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the Freon Leave the valve in place after servicing the system 2 After discharging the unit completely remove the desired component and unbraze the pinch off tubes 3 Solder service valves into the pinch off tube ports leaving the valves open 4 Solder the pinch off tubes with Service valves 5 Evacuate as follows 1 Connect the vacuum pump as illustrated figure 33A 2 Start the vacuum pump slowly open manifold valves A and B with two full turns counterclock wise and leave the valves open The vacuum pump is now pulling through valves A and B up to valve C by means of the manifold and entire system CAUTION If high vacuum equip ment is used just crack valves A and B for a few minutes then open slowly with the two full turns counter clockwise This will keep oil from foaming and being drawn into the vacuum pump 3 Operate the vacuum pump vaccum for 20 to 30 minutes until 600 microns of vaccum is obtained Close valves A and B and observe vacuum gauge for a few minutes A rise in
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