Hunter Fan 23920 Fan User Manual
Contents
1. 2 2 AIR HANDLING PARTS Figure 6 2 2 1 AIR GUIDE UPPER SS Disconnect the unit from the power source Remove the front grille Refer to Section 2 1 1 Remove the cabinet Refer to Section 2 1 2 Remove the control panel Refer to Section 2 1 3 5 Remove 2 screws that secure the upper air guide to air guide lower See Figure 6 6 Lift upper air guide upward 7 Re install by referring to the procedures above BOD Figure 7 2 2 2 ORIFICE TURBO FAN AND FAN Disconnect the unit from the power source Remove the front grille Refer to Section 2 1 1 Remove the cabinet Refer to Section 2 1 2 Remove the control board Refer to Section 2 1 3 5 Remove the air2. unbraze the interconnecting tube at the condenser connections Remove the evaporator Re install by referring to the procedures above 2 4 3 CAPILLARY TUBE ly 2 o 6 Remove the cabinet Discharge the refrigerant by using a refrigerant recovery system Remove the upper air guide Refer to Section 2 2 1 After discharging the refrigerant completely unbraze the interconnecting tube of the capillary tube Remove the capillary tube Re install by referring to the procedures above NOTES Replacement of the refrigeration cycle h When replacing the refrigerating cycle be sure to discharge the refrigerant by using a refrigerant recovery system After discharging the unit completely remove the desired components and unbraze the pinch off tubes Solder service valves into the pinch off tube ports leaving the valves open Solder the pinch off tubes with service valves After completing the above procedures the valve must be removed Evacuate as follows 6 1 Connect the vacuum pump as illustrated in figure 20A Start the vacuum pump Slowly open manifold valves A and B with two full turns counter clockwise and leave the valves closed The vacuum pump is now pulling through valves A and B up to valve C by means of manifold and the entire system 6 2 CAUTION If high vacuum eguipment is used Just crack valves A and B for a few minutes then open slowly
3. Air filter If restricted clean or replace Unit undersized Blower or fan Determine if the unit is properly sized for the area to be cooled 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 17 Remove the cabinet and carefully rearrange the tubing not to contact the cabinet compressor shroud and barrier 4 CIRCUIT DIAGRAM POWER INPUT GN YL GN CAPACITOR DISPLAYP W BASM a T o o gt 1 or SM FUSE 250V T2A 250V T3 15A MEZ62420702 WIRING DIAGRAM LOCATION EGIN PART NO Q TY NO CPO5N10A PER SET 1 POWER CORD ASSY 67300020 1 2 FAN MOTOR 67400116 1 3 COMPRESSOR 1 4 CAPACITOR 1 5 OVERLOAD PROTECTOR 67301425 1 18 9 EXPLODED VIEW Om A 9 a 19 LocNo DESCRIPTION CPO5N10A 130410 Base Assembly Weld 67302931 130910 Cabinet 67303719 135312 Grille Assembly Front 6 306008 135303 Grille Inlet 67306107 145200 Link 67304600 149980 ohroud 67305531 152302 Filter Air 67400167 23 200 Panel Control 67305507 238310 Escutcheon 67500149 249950 Case Assembly Contr
4. Improper wiring setting Compressor fails to start Drop of power voltage Defect of fan motor or Defect of compressor or Loose terminal capacitor capacitor connection Irregular motor Capacitor check Improper wiring resistance O Irregular motor insulation O Replacement of fan motor Irregular motor resistance O Regular but fails to start Replacement of compressor Replacement Irregular motor insulation O Replacement of compressor Motor damaged 14 ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 115V 10 COMPLAINT CAUSE REMEDY Fan motor will not run No power Check voltage at outlet Correct if none Power supply cord Check voltage to electronic control board If none check power supply cord Replace cord if circuit is open 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 1 4 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 no
5. guide upper Refer to Section 2 2 1 6 Remove 2 screws that secure the base pan to condenser See Figure 7 7 Remove screw that secures the shroud to channel of condenser 8 Press the snap area of shroud with your thumbs This allows you to remove it from the condenser 9 Lift the compressor upward with the evaporator and condenser See Figure 7 10 Remove the orfice by pushing the snap area of the air guide blower See Figure 8 11 Remove the clamp springs which are clamped to the shaft of fan and turbo fan by hand plier See Figure 9 12 Pull the fan and turbo fan outward 13 Remove the shroud 14 Re install by referring to the procedures above BOD Figure 8 Figure 9 2 2 3 MOTOR BOD Remove the upper air guide Remove the compressor turbo fan fan and Remove 2 screws that secure the motor to the Remove the motor Re install by referring to the procedures above Disconnect the unit from th
6. with the two full turns counter clock 9 wise This will keep oil from foaming and being drawn into the vacuum pump 6 3 Operate the vacuum pump for 20 to 30 min utes until 600 micron vacuum is obtained Close valves A and B and observe vacuum gauge for a few minutes A rise in pressure would indicate a possible leak or moisture remaining in the system With valves A and B closed stop the vacuum pump Remove the hose from the vacuum pump and place it on the charging cylinder See figure 20B Open valve C Discharge the line at the manifold connection 6 5 The system is now ready for final charging 6 4 Recharge as follows 7 1 Rotary compressor 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 is installed as the system is opened Connect the charging cylinder as shown in fig ure20B With valve C open discharge the hose at the manifold connection Open valve A and allow the proper charge to enter the system Valve B is still closed If more charge is reguired the high side will not take it Close valve A With the unit running open valve B and add the balance of the charge a Do not add the liguid refrigerant to the low side b Watch the low side gauge allow pressure to rise to 39 lbs c Turn off valve B and allow the pressure to drop d Repeat steps B and C until t
7. 4 FRIEDRICH Room Air Conditioner Service and Parts Manual 115 Volts e CPO5N10A CPO5 Svc Parts 2010 05 10 CONTENTS Il PREFACE eee 2 FEATURE O EO O O O eee 2 PIS O RR A R O c 3 1 3 LOCATIONS OC o o L O P KOV 4 2 DISASSEMBLY INSTRUCTIONS eee 4 Z WE GEG A uti rta 4 P ARRONT GL UO ee one nee ene o a NN o 4 ZAS A e 4 E S 4 2 2 AIR HAN DDING PARTS ey DG Yd YN SG dn Yd IO GYF y SYR FO FA YN 5 A Y O DY L O Y eo 5 2 22 ORIFICE TURBO FAN AND FAN mU ON Y CYR NC SDO EU O COC n 5 ZE NOON NF AN A RW I ND 6 22 A AR GUIDE 2 R O O a WN NR 6 A OR O O NY 6 2S OVERLOAD PROTECTOR SF O O ESO O O OR M nee 6 A RENT TT TH C OL A OR P S FD TN RO 7 PEC o o1e MOP 7 P THERMOSTAT uzasne zoo oo aaa 7 ZEBRA NOM ASN RKO O 7 P POWER SOND cc teach tach ec S ect pee es 8 BA REFRICERAN DO O East O NR FA 8 Z 1 CONDENSER FN O O O eee tes 8 A 9 A 9 3 TROUBLESHOOTING GUIDE eee IAU 11 3 1 OUTSIDE DIMENSIONS era AL I ALH 11 SA PIPING SYO TEN esa R O O ecto 12 SS TROUBLESHOOTING GUIDE ad YN Y E 13 4 CIRCUIT DIAGRAM eee AI AA AI AIALL 18 9 EXPLODED VIEW Zoo 19 6 SERVICE PARTS LIST 1 PREFACE This service manual provides various service information including the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict guality control system The refri
8. ID REFRIGERANT L a a a AA HIGH PRESSURE VAPOR A CAPILLARY TUBE LIOUID REFRIGERANT RLA LOW PRESSURE VAPOR Figure 21 12 3 3 TROUBLESHOOTING GUIDE In general possible trouble is classified in two kinds The one is called Starting Failure which is caused by an electrical defect The other is Ineffective Air Con ditioning caused by a defect in the refrigeration circuit and improper application Unit is running but cooling is ineffective Ineffective Cooling Check cold air Check outdoor coil Check heat load circulation for smooth heat exchanger and increase flow fan operation Clean condenser Dirty indoor coil Check for gas leakage heat exchanger Not on dedicated circuit Repair gas leak Malfunction of fan Check inside gas Replacement of unit if pressure the unit is beyond repair Clogging air filter Adjust refrigerant Obstruction at air outlet charge Remove obstruction Malfunction of compressor Check for restriction in refri Replacement of geration circuit compressor Satisfactory operation Remove restriction in with temperature refrigeration circuit difference of inlet amp outlet air 18 26 F 13 Fails to Start Check of circuit breaker and fuse Check voltage power source Check control switch setting Gas leakage of feeler bulb of thermostat Check control switch Fan fails to start Improper thermostat
9. ck the capacitor Replace if not within 10 of manufacturer s rating replace if shorted open or damaged Compressor Overload Voltage Check the compressor for open circuit or ground If open or grounded replace the compressor Check the compressor overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool and retest Check the voltage See the limits on the preceding page If voltage is not within these limits call an electrician Overload 16 Check overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool and retest COMPLAINT Compressor cycles on overload Fan motor REMEDY If not running determine the cause Replace if reguired 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 damaged Capacitor Wiring If the condenser fins are closed over a large area on the coil surface head pressures will increase causing the compressor to cycle Straighten the fins or replace the coil Test the capacitor Check the terminals If loose repair or replace Refrigeration system Check the system for a restriction Insufficient cooling Excessive noise
10. ct the unit from source of power Remove the front grille Refer to Section 2 1 1 Remove the cabinet Refer to Section 2 1 2 Remove a screw that secures control panel to base pan Refer to Section 2 1 3 Pulls the control board toward you Disconnect the 2 receptacles and remove the grounding screw Remove a screw securing the clip with cord to the control panel Pull the power cord Re install by referring to procedures above 2 4 REFRIGERANT CYCLE 2 4 1 CONDENSER 1 I gt O Remove the cabinet Refer to Section 2 1 2 2 Discharge the refrigerant by using a refrigerant recovery system Remove the air guide Refer to Section 2 2 1 Remove 2 screws which fasten the condenser After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections Remove the condenser Re install by referring to the procedures above Figure 18 Figure19 2 4 2 EVAPORATOR 1 2 Remove the cabinet Discharge the refrigerant by using a refrigerant recovery system Remove the upper air guide Refer to Section 2 2 1 After discharging the refrigerant completely
11. e power source 2 Remove the front grille Refer to section 2 1 1 3 Remove 9 screws that secure the cabinet to the base pan and condenser See Figure 3 4 Lift the cabinet from the unit 5 Re install by referring to the procedures above 2 1 3 CONTROL PANEL Figure 3 2 Remove the front grille Refer to Section 2 1 1 3 Remove the cabinet Refer to Section 2 1 2 4 Remove 1 screws that secure the control board to base pan and air guide See Figure 4 5 Pull the control panel toward yourself Controls wires and capacitor are now accessible for servicing Discharge the Figure 4 capacitor before servicing See step 2 3 3 on page 8 for procedures the fan motor and compressor See Figure 5 7 Re install components by referring to procedures above Refer to wiring diagram on page 23 in this manual or inside control board
12. e power source Figure 10 Remove the front grille Refer to Section 2 1 1 Remove the cabinet Refer to Section 2 1 2 Remove the control panel Refer to Section 2 1 3 Refer to Section 2 2 1 shroud Refer to Section 2 2 2 motor mount See Figure 10 2 2 4 AIR GUIDE Figure 11 BOD 2 3 ELECTRICAL PARTS 2 3 1 OVERLOAD PROTECTOR 1 o oF W PP Remove the upper air guide Remove the compressor turbo fan fan and Remove the motor Refer to Section 2 2 3 Remove 2 screws that secure the air guide to the Push the air guide backward and lift it upward Re install by referring to the procedures above Remove the nut which fastens the terminal cover Remove the terminal cover Remove all the leads from the overload protector Remove the overload protector Re install the components by referring to the Disconnect the unit from the power source Remove the front grille Refer to Section 2 1 1 Remove the cabinet Refer to Section 2 1 2 Remove the control panel Refer to Section 2 1 3 Refer to Section 2 2 1 shroud Refer to Section 2 2 2 base pan See Figure 11 See Figure 11 Figure 12 Figure 13 Remove the front grille and cabinet Refer to Section 2 1 removal procedure above See Figure 12 and 13 2 3 2 COMPRESSOR 1 Remove the front grille and cabinet Figure 14 Refer to Section 2 1 2 Discharge the refrigerant b
13. gerant is charged at the factory Be sure to read the safety precautions prior to servicing the unit 1 1 FEATURES DESIGNED FOR COOLING ONLY e BUILT IN ADJUSTABLE THERMOSTAT e WASHABLE ONE TOUCH FILTER e COMPACT SIZE 1 2 SPECIFICATIONS 1 2 2 SPECIFICATIONS MODELS CPO5N10A ITEMS COOLING CAPACITY BTU h 5 450 POWER SUPPLY Phase V Hz 10 115V 60HZ INPUT W 510 OPERATING CURRENT AMP REFRIGERANT CONTROL CAPILLARY TUBE REFRIGERANT CHARGE R410A 280g 9 9 oz INSIDE FAN TURBO FAN OUTSIDE FAN PROPELLER FAN WITH SLINGER RING AIR DISCHARGE 2 WAY RIGHT AND LEFT CHASSIS TOP DOWN e OVERLOAD PROTECTOR FOR COMPRESSOR PROTECTOR INTERNAL PROTECTOR FOR FAN MOTOR TEMPERATURE CONTROL THERMISTOR FAN MOTOR 4 POLES 21W 1 3 LOCATIONS OF CONTROLS Temp Haw ON y a 2 On Off ua Dry Fan Only oe 3 Mode DAU Timer Timer as Y EI Fan Power Oy 1 TEMPERATURE SETTING These buttons control the temperature of the room The temperature can be set within a range of 60 F to 86 F in increments of 1 F 2 MONEY SAVER The fan stops when the compressor stops cooling Approximately every 3 minutes the fan will turn on and sample the room air to determine i more cooling is needed 3 OPERATION MODE SELECTOR Everytime you push this button it will rotate between the COOL FAN and DRY modes 4 ON OFF TIMER ON When the air conditioner is off i
14. he balance of the charge is in the system When the unit is operating correctly use the pinch off tool with the unit still running and the clamp on the pinch off tube Using a tube cut ter cut the pinch off tube about 2 inches from the pinch off tool Use sil fos solder and solder the pinch off tube closed Turn off the unit allow setting for a while and then test the leak age of the pinch off connection 1 2 7 3 7 4 LS 7 6 Equipment needed Vacuum pump charging cylinder manifold gauge brazing equipment pinch off tool capable of making a vapor proof seal leak detector tubing cutter hand tools to remove components and service valve COMPOUND GAUGE MANIFOLD GAUGE 3 CONDENSER jil HM j HIGH PRESSURE SIDE il SEE INSETS ymru jii BELOW MED NN D Aor EVAPORATOR iW LOW PRESSURE SIDE i nm HOU CAPILLARY TUBE o C UU Cl HI CHARGING CYLINDER Figure 20A Pulling Vacuum Figure 20B Charging 10 2 4 4 ELECTRICAL DATA Line Cord Plug Use Wall Receptacle Power Supply Do not under any circumstances cut Use 15 AMP time or remove the delay fuse or circuit grounding prong from the plug breaker Power supply cord with Standard 125V 3 wire grounding 3 prong grounding plug receptacle rated 15A 125V AC USE OF EXTENSION CORDS Because of potential safety hazards we stro
15. ngly discourage the use of an extension cord However if you wish to use an extension cord use a CSA certified UL listed 3 wire grounding extension cord rated 15A 125V 3 TROUBLESHOOTING GUIDE 3 1 OUTSIDE DIMENSIONS unit mm in 370 14 9 16 _ 42012132 472 18 9 16 142 1 21 32 120 4 3 4 5 1 3 32 x LO a a 2 M ae 22 5 0 8 3 32 1155 6 3 82 _ 312 12 1 4 11 3 2 PIPING SYSTEM CONDENSER COILS FAN CAPILLARY TUBE MOTOR TURBO FAN EVAPORATOR COILS Following is a brief description of the important components and their function in what is called the refrigeration system Reference should be made to Figure 21 to follow the refrigerating cycle and the flow of the refrigerant in the cooling cycle ROOM AIR CONDITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS SUCTION LINE VAPOR INLET COMPLETE LIQUID COOL LOW PRESSURE VAPOR BOIL OFF POINT Z z OUTSIDE COOLING AIR FOR REFRIGERANT gt PASS THROUGH VZD ffl OSLO DISCHARGE NOT HIGH PRESSURE LIQUID gt 7 7 S PRESSURE LIQUID OUTLET DROP LIQU
16. ol 67305532 264110 Power Cord Assembly 67300020 267110 Remote Controller Assembly 67302240 34681 1 Motor Assembly AC Single 67400116 349480 Orifice 67303414 399012 Fan Turbo 67302617 550140 Damper Compressor 67301900 559011 Fan Assembly Axial 67302613 567480 Thermistor NTC 67307806 567502 Overload Protect 67301425 749740 Guide 67304010 132100 1 Frame Assembly 67303800 132100 2 Frame Assembly 67303801 147582 1 Louver Vertical 67304500 147582 2 Louver Vertical 67304501 268711 1 PCB Assembly Display 67307611 268711 2 PCB Assembly Main 67307650 35211A Tube Assembly Suction 6730 6951 352390 1 Guide Assembly Air 67302742 352390 2 Guide Assembly Air 67302743 WOCZZ Capacitor Film Box 67300730 W48602 Clamp Spring 67302500 20 Use Factory Certified Parts 4 FRIEDRICH FRIEDRICH AIR CONDITIONING CO Visit our web site at www friedrich com Post Office Box 1540 4200 N Pan Am Expressway San Antonio Texas 78295 1540 e 210 357 4400 FAX 210 357 4490 CP05 Svc Parts 2010 05 10 P NO MFL38735502
17. t 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 15 COMPLAINT CAUSE REMEDY Fan motor noise Fan blade If cracked out of balance or partially missing replace it Blower wheel Worn bearings If cracked out of balance or partially missing replace it If Knocking sounds continue when running replace the motor If the motor hums or noise appears to be internal while running replace motor Compressor will not run fan motor runs Compressor cycles on overload 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 Capacitor discharge capacitor before servicing Check the TEMP control If not at the lowest number set TEMP control to this setting Check the continuity of the thermistor Replace the control board if the circuit is open Che
18. t can be set to automatically come on in 1 to 12 hours from its previous setting Each touch will increase the timer by 1 hour OFF When the air conditioner is on it can be set to automatically turn off in 1 to 12 hours Each touch will increase the timer by 1 hour After the timer has been on for 30 minutes the temperature will automatically rise 2 F and after another 30 minutes it will automatically rise 2 F again The temperature will then stay the same until the timer goes OFF To cancel the timer press the TIMER pad until the display time disappears 5 POWER To turn the unit ON push the button To turn the unit OFF push the button again This button takes priority over any other buttons When you first turn it on the unit is on the High cool mode and the temp at 72 F 6 FAN SPEED Everytime you push this button it will rotate between the following fan speeds High F3 gt Low F1 gt Medium F2 gt High F3 2 DISASSEMBLY INSTRUCTIONS 2 1MECHANICAL PARTS 2 1 1 FRONT GRILLE Figure 1 1 Pull the inlet grille forward 2 Remove the screw securing the Front Grille Fig 3 3 Push the grille up from the bottom and pull the top of the grille away from the case to lift the top tabs out of their slots Fig 4 4 Carefully position the grille bottom first and snap back into place 5 Reposition the screw that secures the front grille Figure 2 2 1 2 CABINET 1 Disconnect the unit from th
19. y using a refrigerant recovery system 3 Remove the overload protector Refer to Section 2 3 1 4 After discharging the unit completely unbrace the suction and discharge pipes at the compressor connections 5 Remove 3 nuts which fasten the compressor Remove the compressor 7 Re install by referring to the removal procedure above See Figure 14 O 2 3 3 CAPACITOR 1 Remove the cabinet Refer to Section 2 1 2 2 Remove the control panel l Refer to Section 2 1 3 Figure 15 3 Discharge the capacitor by placing a 20 KQ resistor across the capacitor terminals 4 Remove the screw which fastens the capacitor clamp 5 Remove all the leads of capacitor terminals 6 Re install the components by referring to the removal procedure above See Figure 15 2 3 4 THERMISTOR 1 Remove the cabinet Refer to Section 2 1 2 2 Remove the control panel Refer to Section 2 1 3 3 Disconnect the thermistor terminals from main P W B assembly 4 Remove the thermistor 5 Re install the components by referring to the removal procedure above See Figure 16 Figure 16 2 3 5 CONTROL BOARD Figure 17 1 Remove the cabinet Refer to Section 2 1 2 2 Remove the control panel Refer to Section 2 1 3 3 Pull the control board forward and pull out it 4 Remove 2 lead wire terminals 5 Re install the components by referring to the removal procedure above See Figure 17 2 3 6 POWER CORD BOD 01 Disconne
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