Split Wall-Mounted Type Inverter Air
Contents
1. Sirge Split Wall Mounted Type Inverter Air Conditioners Service Manual KFR 25GW BPWa KFR 32GW BPWa II III IV VI VII CONTENTS Photo of the Production Operating Principle ais Passive vro ese so RrE ase ode aaa Exploded Views of the Production dE xeSEse Es eK pae Re n rusa ned ge e Ear hase List of common wearable parts MP POTERE ERE Main Technical Data and Characteristic Curves of the Production Dismantling Procedure Analysis of Faults of the Productions REN SORA HOOKER SLED 11 12 16 19 I Photo of the production Feature 1 Stylish and deluxe design Compact size easy to install and operate Sends out air in gentle stream for physical comfort 2 3 4 Use multi fold evaporator to create the area of heat exchange 5 Intelligent blur defrost 6 Remote control II Operating Principle A Cooling After the power supply is switched on the machine is set to COOL mode With the compressor being operated the low temperature and low pressure refrigerant vapor 1s sucked into the compressor where it is turned into high temperature and high pressure gas Then it is cooled down in the outdoor heat exchanger by the air and becomes liquid After being throttled by the capillary the refrigerant liquid comes2. 23G T 000 09 KFR 25G BPWa 05 6 Indoor main control board KFR 32G BPWa 021 00 KFR 25G BPWa 06 7 Electric box KFR 23G T 100 01 KFR 25G BPWa 07 8 motor IKFR 23G T 061 00WX KFR 25G BPWa 08 9 Transformer KFR 35G VJ 031 04WX KFR 25G BPWa 09 10 Indoor motor KFR 25G V 070 00WX KFR 25G BPWa 10 11 Lower frame assy KFR 25G V 040 00 KFR 25G BPWa 11 12 Impeller fan KFR 25G V 080 00WX KFR 25G BPWa 12 13 Water collecting plate assy KFR 25G V 030 00 KFR 25G BPWa 13 14 locating cover KFR 23G T 041 04 KFR 25G BPWa 14 15 Fixing clip KFR 23G T 000 05 KFR 25G BPWa 15 16 Screw ST4 12FT SJ 2823 87 KFR 25G BPWa 16 17 Evaporator assy KFR 25G V 060 00 KFR 25G BPWa 17 18 Air filter KFR 35G VJ 040 00 KFR 25G BPWa 18 19 Air cleaner KFR 35G VJ 050 00 KFR 25G BPWa 19 Detailed part list of KFR 25GW BPWa outdoor unit S N Part Name Drawing No Part No 1 Front plate assy KFR 32W BPWa 120 00 KFR 25W BPWa 01 2 Cover of valve KFR 25W VFd 000 02 KFR 25W BPWa 02 3 rear plate KFR 32W BPWa 000 03 KFR 25W BPWa 03 4 Handle assy KFR 32W BPWa 110 00 KFR 25W BPWa 04 5 Screw ST4 10C SJ 2823 87 KFR 25W BPWa 05 6 junderprop 014 model KFR 25W BPWa 06 outdoor control 7 board KFR 25W BPWa 051 00 8 Top plate assy R 32W BPWa 040 00 KFR 25W BPWa 08 9 Nut M4 16 GB T818 2000 KFR 25W BPWa 09 10 GBPC3508A KFR 25W BPWa 10 11 R 32W BPWa 064 00 KFR 25W BPWa 11 12 Insulated cushion KFR 3
3. KFR 35W BP 000 00JL 19WX KFR 32W BPWa 36 37 Four way valve assy KFR 32W BPWa 050 00 KFR 32W BPWa 37 38 39 40 Filter Reactor Propeller fan KFR 35W BP 084 01WX KFR 32W BPWa 070 02 KFR 32W T1 120 00WX 4 Electric plate welding assy KFR 32W BPWa 071 00 42 43 44 45 Fuse Wire plywood Terminal board Screw ST4 20C 250VAC R 22WA 050 04 25W V 040 01WX 512821 87 46 Electric box welding as KFR 32W BPWa 061 00 KFR 32W BPWa 38 KFR 32W BPWa 39 KFR 32W BPWa 40 KFR 32W BPWa 41 KFR 32W BPWa 42 KFR 32W BPWa 43 KFR 32W BPWa 44 KFR 32W BPWa 45 KFR 32W BPWa 46 KFR 32GW BPWa INDOOR EXPLODE VIEW BASRA 62 67 69 69 FG SA AAAA ie Sere 10 15 2 Lists of Common Wearable Parts List of Wearable Parts of KFR 25GW BPWa Di Rene cake 7 KmzxameesLamx 5 indoor main inlay Kmesowina D masme sep mac in Cit Previn emxwmmwemoowx l KFR 25W BPWa 051 00 20A 250VAC 16 Filter KFR 35W BP 084 01WX_ 17 Reactor KFR 32W BPWa 070 02 18 Rectifier GBPC3S0
4. electric cover remove the electric cover 2 Remove the screw of earthing wire and take off the sensors 3 Remove the wires and one screw remove board and electric box A A 4 Take off one screws of watercollecting plate and remove water collecting plate A 5 Take off two screws of left locating cover and two screws of motor fastener Remove evaporator A 6 Remove impeller fan and indoor motor a Remove the four screws of motor fastener b Remove the screw of impeller fan Remove the motor and impeller A OUTDOOR UNIT example for KFR 32GW BPWa Operating step 1 Remove the top cover six screws 2 Remove the front plate 3 Remove the handle 4 Remove the left plate 18 5 Remove the electric box welding assy 6 Remove the electric plate welding assy 7 Remove compressor s cover Fault Analysis of the Product Available and Typical Examples 1 Procedure of deciding the faults Before maintaining the air conditioner firstly you should know the phenomena of the faults decide the location of the faults analyze the reason the faults occur and then search for ways to solve the faults The detailed procedures are Look Listen Touch Measure Analyze Look Observe air conditioner s running I e vibration condensation on evaporator leakage electrical and mechanical connection etc Listen Listen to kinds of sounds of
5. into the indoor unit and then it evaporates in the indoor heat exchanger absorbing heat and reducing the room temperature The evaporated refrigerant vapor returns to the outdoor unit and is again sucked into the compressor completing the cycle With the refrigerant cycling being kept on the objective of lowering the room temperature is fulfilled B Heating After the power supply is switched on the machine is set to HEAT mode and the coil of the electromagnetic four way valve is energized After the compressor starts to operate the high temperature and high pressure refrigerant gas first comes into the heat exchanger of the indoor unit where it is cooled releases heat and increases the room temperature The cooled high pressure refrigerant is then throttleld in the outdoor unit and returns to the compressor after evaporation With such cycles being maintained the objective of increasing the room temperature is fulfilled C System Schematic Diagram Please see the following Diagram III Exploded Views of the Production 1 KFR 25GW BPWa Detailed part list of KFR 32GW VJWa indoor unit S N Part Name Drawing No Part No 1 Front panel assy KFR 25G VJ 010 00 KFR 25G BPWa 01 2 strainer KFR 25G V 050 00WX KFR 25G BPWa 02 3 Upper frame assy KFR 35G VJ 020 00 KFR 25G BPWa 03 4 Right locating cover KFR 23G T 000 06 KFR 25G BPWa 04 5 Electric box cover KFR
6. 2W BPWa 063 02 KFR 25W BPWa 12 13 Radiator KFR 32W BPWa 063 01 KFR 25W BPWa 13 14 Bracket of sensor KF10 000 19 KFR 25W BPWa 14 15 Net of entering air KFR 32W W 000 04 KFR 25W BPWa 15 16 Condenser assy KFR 25W BPWa 030 00 KFR 25W BPWa 16 17 Right rear plate assy KFR 32W T1 050 00 KFR 25W BPWa 17 18 Capillary pipe assy KFR 25W BPWa 020 00 KFR 25W BPWa 18 Middle partition welding op 25W BPWa 011 00 KFR 25W BPWa 19 19 assy 20 LC capacitor 2 KFR 25W BPWa 20 21 clamp R 32W BPWa 020 04 KFR 25W BPWa 21 22 Base plate assy KFR 32W BPWa 010 00 KFR 25W BPWa 22 23 Screw ST6 18C KFR 35W H1 000 08WX KFR 25W BPWa 23 24 Gas valve KFR 25W BPWa 060 00W X KFR 25W BPWa 24 25 Rubber grommet KFR 32W BPWa 100 01 WX KFR 25W BPWa 25 26 Compressor accessory KFR 25W BPWa 26 27 Compressor KFR 25W BPWa 070 00W X KFR 25W BPWa 27 28 Overload protector KFR 32W BPWa 100 02WX KFR 25W BPWa 28 29 Gasket Compressor accessory KFR 25W BPWa 29 30 Terminal cover ompressor accessory KFR 25W BPWa 30 31 Washer 6 B T 93 1987 KFR 25W BPWa 31 32 Nut M6 GB T 6170 2000 KFR 25W BPWa 32 33 Outdoor motor KFR 32W BPWa 080 00WX KFR 25W BPWa 33 34 Motor bracket assy KFR 32W T1 150 00 KFR 25W BPWa 34 35 Nut Four way valve accessory KFR 25W BPWa 35 36 Coil of four way valve
7. 2W BPWa 063 02 KFR 32W BPWa 12 13 Radiator KFR 32W BPWa 063 01 KFR 32W BPWa 13 14 Bracket of sensor KF10 000 19 KFR 32W BPWa 14 15 Net of entering air KFR 32W W 000 04 KFR 32W BPWa 15 16 Condenser assy KFR 35W V 020 00 KFR 32W BPWa 16 17 Right rear plate assy KFR 32W T1 050 00 KFR 32W BPWa 17 18 Capillary pipe assy KFR 32W BPWa 030 00 KFR 32W BPWa 18 Middle partition welding op 32W BPWa 021 00 KFR 32W BPWa 19 19 assy 20 LC capacitor 2 KFR 32W BPWa 20 21 clamp R 32W BPWa 020 04 KFR 32W BPWa 21 22 Base plate assy KFR 32W BPWa 010 00 KFR 32W BPWa 22 23 Screw ST6 18C KFR 35W H1 000 032WX KFR 32W BPWa 23 24 Gas valve KFR 32W BPWa 090 00W X KFR 32W BPWa 24 25 Rubber grommet KFR 32W BPWa 100 01 WX KFR 32W BPWa 25 26 Compressor accessory KFR 32W BPWa 26 27 Compressor KFR 32W BPWa 100 00WX KFR 32W BPWa 27 28 Overload protector KFR 32W BPWa 100 02WX KFR 32W BPWa 28 29 Gasket Compressor accessory KFR 32W BPWa 29 30 Terminal cover ompressor accessory KFR 32W BPWa 30 31 Washer 6 B T 93 1987 KFR 32W BPWa 31 32 Nut M6 GB T 6170 2000 KFR 32W BPWa 32 33 Outdoor motor KFR 32W BPWa 080 00WX KFR 32W BPWa 33 34 Motor bracket assy KFR 32W T1 150 00 KFR 32W BPWa 34 35 Nut Four way valve accessory KFR 32W BPWa 35 36 Coil of four way valve
8. 3 Wet bulb23 Outdoor conditions Dry bulb35 Dry bulb43 Dry bulb52 9 Dry bulb15 Wetbulb262 Wet bulb32 Cooling Capacity W 2700 2300 1900 1500 35 43 52 Dry bulb temp representing outdoor conditions Cooling Capacity W KFR 32GW BPWa Cooling Capacity Curve 30 40 50 60 Dry bulb temp representing outdoor conditions 3 Data for heating capacity curve Index Operating onditions Indoor conditions Dry bulb20 Dry bulb20 Dry bulb20 9 Wet bulb152__ Wetbulb15 Wetbulpis D Pub Outdoor conditions Drybulb2 Drybulb7 Dry bulb24 219 Dry bulb 7 Wet bulbl WetbulbG Wet bulb18 KFR 25GW BPWa Heating Capacity Curve 3100 amp 2900 S 8 2700 5 2500 5 2300 10 5 0 5 10 15 20 25 Dry bulb temp representing outdoor conditions KFR 32GW BPWa Heating Capacity Curve 2 S 8 O 50 5 10 5 0 5 10 15 20 25 Dry bulb temp representing outdoor conditions 2 Dismantling Procedure Indoor Unit example for KFR 32GW BPWa Operating step 1 Remove the panel 2 Remove upper frame assy Remove the air strainers Remove two screw covers and take off three screws of upper frame Remove the upper frame 3 Remove the electric box 1 Remove one screw of
9. 8A KFR32W BPWa 064 00 EM po REISEN KFR 32W BPWa 000 00JL 4 20WX 21 Outdoor pipe temp sensor KFR 75W Hd 000 00JL 01WX Outdoor exhausting temp sensor KFR 120W TdS 000 00JL 01WX List of Wearable Parts of KFR 32GW BPWa i Remote mee _ 3 maerespsmo _ 1 0 1 _ Outdoor main contol board KFR 32W BPWa 062 00 _ Fiter KFR 32w BPWa 070 02 _ _ Cz tmp x Xmrammsaemtawx Technical Data and Cooling and Heating Characteristic Curves Main technical data Model KFR 25GW BPWa KFR 32GW BPWa Cooling capacity W 2500 1300 3200 3200 1500 3900 Heating capacity W 2900 1300 3200 3800 1400 4300 Air flow m h 435 520 Power supply V Hz 1 220 50 Rated input current for cooling A 4 4 5 5 Rated input current for heating A 5 6 7 0 Rated input power for cooling W 816 400 1450 1050 Rated input power for heating W 1030 350 1300 1280 Max input power for cooling W 1350 1500 Max input power for heating W 800 1000 Noise Indoor unit 37 38 dB A Outdoor unit 50 52 Net dimensions Indoor unit 1
10. 9 8 67 7 25 0 19 8 74 5 25 0 D B H cm Outdoor unit 25 0 76 07 33 7 Packing dimensions Indoor unit 29 0 79 0 35 5 29 0 86 0 35 5 D B H cm Outdoor unit 35 2 89 6 60 0 Net weight Indoor unit 7 T kg Outdoor unit 32 34 Gross weight Indoor unit 9 5 10 kg Outdoor unit 37 39 Reen Material R410A Charge kg 0 71 0 75 Power plug cord diameter mm C 8 4 Pipe size Gas pipe 3 81 1 21 inch Liquid pipe 1 41 Temperature control range 15 30 Environmental temperature range 7 43 Meizhi MeiZi Compressor brand model DA89X1C 20FZ3 DA108X1C 20FZ3 Wet Notes 1 Rated conditions 1 Cooling Inside Dry bulb temp 27 Outside Dry bulb temp 35 Wet bulbtemp 19 Wet bulb temp 24 Heating Inside Dry bulb temp 20 Out side Dry bulb temp T Wet bulbtemp 15 max Wet bulb temp 6 2 Standard length of pipe connection m 3 6 3 Horizontal grille is set in initial position and the indoor fan speed is high 2 Maximum conditions Cooling Inside Dry bulb temp 32 Outside Dry bulb temp 23 Wet bulb 23 temp Wet bulb temp 26 Heating Inside Dry bulb temp 27 Outside Dry bulb temp 24 bulb8 t 3 The data are only for reference for details please see label of unit 2 Data for cooling capacity curve Operating onditions Index Indoor conditions Dry bulb21 Dry bulb27 Dry bulb32 Dry bulb32 Wet bulb15 Wet bulb19 Wetbulb2
11. KFR 35W BP 000 00JL 19WX KFR 25W BPWa 36 37 Four way valve assy KFR 25W BPWa 040 00 KFR 25W BPWa 37 38 39 40 4 Filter Reactor Propeller fan Rubber ringer KFR 35W BP 084 01WX KFR 32W BPWa 070 02 KFR 32W T1 120 00WX KFR 60W 000 06 42 Electric plate welding assy KFR 32W BPWa 071 00 43 44 45 46 Fuse Wire plywood Terminal board Screw ST4 20C 250VAC R 22WA 050 04 F 25W V 040 01WX 572821 87 47 Electric box welding as KFR 32W BPWa 061 00 KFR 25W BPWa 38 KFR 25W BPWa 39 KFR 25W BPWa 40 KFR 25W BPWa 41 KFR 25W BPWa 42 KFR 25W BPWa 43 KFR 25W BPWa 44 KFR 25W BPWa 45 KFR 25W BPWa 46 KFR 25W BPWa 47 KFR 25GW BPWa INDOOR EXPLODE VIEW KFR 25GW BPWa OUTDOOR EXPLODE VIEW UVUILUUIN LAE VILI p S E EE E ES 27 KFR 32GW BPWa Detailed part list of KFR 32GW BPWa indoor unit S N Part Name Drawing No Part No 1 Front panel assy KFR 35G VJ 010 00 KFR 32G BPWa 01 2 strainer KFR 23G T 090 00WX KFR 32G BPWa 02 3 Upper frame assy KFR 32G BPWa 010 00 KFR 32G BPWa 03 4 Right locating cover KFR 23G T 000 06 KFR 32G BPWa 04 5 Electric box cover KFR 23G T 000 09 KFR 32G BPWa 05 6 Indoor main contr
12. air or replace plugs or no power plug Check if the fuse 18 good Replace the fuse burnt 22 Low voltage Measure the voltage Heighten the voltage of the power supply system Measure actual indoor temp compare to the set temp in Wrong indoor temp set cooling set temp should be Reset the temp lower than the actual in heating is higher Check if running mode of two Wrong running mode of indoor indoor units is the same it is Reset units set not available if one is heating and another is cooling 3 8 Cannot receive the remote control signal Reason Check to be made Proposed Remedy Damaged remote control or low Check if the indication is Replace the remote control or battery board the components Btant cootno oboardn oticnsitelf Running mode of two indoor Check if one is heating and Reset units is not the same another is cooling Indoor units are in test mode Open the air intake grill to see the running mode Adjust test mode to remote control mode Remarks The above mentioned faults are the faults possibly occur we will continue to collect the faults and analysis 23
13. capacitor of transformer Lock Mainly is lock of compressor four way valve electrical circuit clude fuse Scrape Mainly is scrape of indoor outdoor fan and nearby parts and sound abnormally 3 Examples 3 1 Leakage and seepage of indoor unit Reason Check to be made Proposed remedy Improper installation Indoor drain position is lower than outdoor or slanting installation of indoor unit Observe if the condensation water drain out if the indoor unit is declining Level the indoor unit and adjust the height Water collecting plate is blocked Check the fokation ensure it Remove the matters block the Waters codbiotthg plate or drain 18 cracked plate Loosen wrap belt heat preservation layer is bad or layer behind indoor units is bad Connecting pipe bleed the water condensation water exists behind the indoor unit the wall is wet and turn colors Rewrap the connecting pipe add new heat preservation er BYE est the units to Highteanplipetdeddtaine Water is blow out from air outlet or water drips from the outlet Lower speed of air flow dehumidifying mode at high speed of air flow to lower relative humidity if the high speed is still felt lower the fan motor must be checked 3 2 Poor cooling or heating effect Reason Check to be made Proposed remedy 20 The cooling heating load of the room is
14. heavy or the room is not closed perfectly Calculate the area of the room check the close of the room Enlarge the capacity of the units improve the leakproofness of the room Insufficient refrigerant R410A Measure the operating current Add R410A 7 welding the leaked point Too much R410A Air intake temp is too low condensation water intake pipe is too much temp of discharge is too high Discharge a little R410A Effect of heat exchange is too poor Dust on outdoor condenser and indoor filter is too much Cleanup filter and condenser Some of the windings of motor fan is short circuit so cause speed decline Speed of indoor outdoor fan is too low air circulation is small Repair or replace motor Running condition is too bad Check if the installation is proper outdoor temp is too whdndiedtng pressure Improve the condition use auxiliary heating Gionakveitor boakto finocoprpssesor difference no clear temp difference in air intake inlet or discharge outlet of compressor Replace compressor or valve Openness of check valve is too small or the system partly or completely blocked Check the openness partly frost on outdoor pipe system Open the valve use high pressure to clean out the block 3 3 Big noise or abnormal sound Reason Check to be made Proposed remedy Foreign matters in wind guide Check if they ae Clear away or impe
15. ller fan TAE i Pad Check them Replace indoor outdoor fan balance Improper location of fan so fan Open the unit or move the fan touches the housing manually find the location Check the bearing Replace the bearing destroyed Connecting pipe vibrates due to improper installation or touch the lower frame Check the connecting pipe Tidy up the pipes eliminate the noise source Outdoor pipes touches Check the vibration of the pipes check if them touch Tidy up the pipes Abrasion of the of compressor parts Check if the sound compressor is normal of Replace the compressor 3 4 Frequently switch on off of the compressor Reason Check Proposed remedy Running voltage is too low measure if operating volta lower than Aleck nezdsurespoim weltigg stabddzRAon A pnepsoustsdpant rated current 21 Temp sensor is too close to Check dindoor outdoor theat ppatibwsfinatonr air GTbasaphi stsonremospl he dbs serisor evaporator or moved inlet outlet Too much condensation water Too much R410A on air intake pipe high Discharge a little R410A operating current Bad insulation of compressor Check start operating high operating current Replace compressor current overcurrent proof Im
16. ol board KFR 32G BPWa 021 00 KFR 32G BPWa 06 7 Electric box KFR 23G T 100 01 KFR 32G BPWa 07 8 motor KFR 23G T 061 00WX KFR 32G BPWa 08 9 Transformer KFR 35G VJ 031 04WX KFR 32G BPWa 09 10 Indoor motor KFR 35G V 030 00WX KFR 32G BPWa 10 11 Lower frame assy KFR 23G T 030 00 KFR 32G BPWa 11 12 Impeller fan KFR 23G T 080 00WX KFR 32G BPWa 12 13 Water collecting plate assy KFR 23G T 060 00 KFR 32G BPWa 13 14 locating cover KFR 23G T 041 04 KFR 32G BPWa 14 15 Fixing clip KFR 23G T 000 05 KFR 32G BPWa 15 16 Screw ST4 12FT SJ 2823 87 KFR 32G BPWa 16 17 Evaporator assy KFR 35G V 020 00 KFR 32G BPWa 17 18 Air filter KFR 35G VJ 040 00 KFR 32G BPWa 18 19 Air cleaner KFR 35G VJ 050 00 KFR 32G BPWa 19 Detailed part list of KFR 32GW BPWa outdoor unit S N Part Name Drawing No Part No 1 Front plate assy KFR 32W BPWa 120 00 KFR 32W BPWa 01 2 Cover of valve KFR 25W VFd 000 02 KFR 32W BPWa 02 3 rear plate KFR 32W BPWa 000 03 KFR 32W BPWa 03 4 Handle assy KFR 32W BPWa 110 00 KFR 32W BPWa 04 5 Screw ST4 10C SJ 2823 87 KFR 32W BPWa 05 6 junderprop 014 model KFR 32W BPWa 06 outdoor main control 7 board KFR 32W BPWa 062 00 8 plate assy R 32W BPWa 040 00 KFR 32W BPWa 08 9 M4 16 GB T818 2000 KFR 32W BPWa 09 10 GBPC3508A KFR 32W BPWa 10 11 R 32W BPWa 064 00 KFR 32W BPWa 11 12 Insulated cushion KFR 3
17. proper temp set Check actual ambient temp Reset 3 5 Promptly protected by halt after compressor starts Reason Check to be made Proposed Remedy Little or no condensation water Insufficient RA10A Pipes A current is lower than rated current Mixed with air in the system M Vacuumize the system vacuum is not good current 1s lower than uschhigh Padre rated current part of the unit 2 to clean frosts heavily out the block revacuumize Check the windings and recharge R410A compressor high start insulation of compressor and if it is locked Replace the compressor 3 6 Theunits blow out cool air when in heating mode Reason Check to be made Proposed Remedy Listen to the units if there 1s Four way valve doesn t work sounds of valveis working Replace the valve when heating or cooling Faults of control interrupter or other relevant circuits of the valve Check the circuit Little condensation water on Repair or replace the control board Insufficient the outdoor air intake pipe low operating current Add R410A Connexity of compressor Same temp of air intake inlet and discharge outlet of the compressor no condensation in air intake inlet Replace the compressor 3 7 The units doesnit work Reason Check to be made Proposed Remedy Bae Oem Check the socket Rep
18. the running air conditioner Identify the abnormal noise from the sounds Touch Touch the key position and position faulty Touch the temp of air flow to decide the heating or cooling effect as far to abnormal sound besides adopt 19 ilisteni you should to uch the frame the pipe of the air conditioner to feel the vibration Touch the easily heated parts i e compressor motor touch them to feel the temp Warning High temp Measure Measure the parameters of the air conditioner and relevant parts by some instruments Usually used instruments amperemeter voltmeter multimeter thermometer etc i e Use multimeter to test whether the capacitor is open the insulation of the wire and the parameters of other electrical parts use the thermometer to measure temp of airflow Analyze Analyze the above results decide the reason and location of faults and seek the solutions 2 Types of Normal Faults The type of faults is various The normal faults can come down to six types leaks block open circuit burnt lock scrape Leak Mainly is leakage of R410A from cooling pipe system and parts leakage of condensation water from indoor units electrical leakage from electrical system and wires Block Mainly is block of the pipe system block of capillary block of strainer or valve Open Circuit Mainly is open circuit of blowing out connectors broke Burnt Mainly is burnout of fan motor of compressor of
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