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Air-Con A16CI4H4R36, Руководство по обслуживанию

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(6)Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board)

Mainly detect:

Wether the PMV is connected well or not? Is PMV damaged?

Is refrigerant leaked?

       Fault diagnosis process:

20 minutes after the 

complete unit is 

powered off

Is the terminal FA for the 

electronic expansion valve 

connected correctly?

Connect the 

wires correctly

Resistances between the first four pins 
close to the terminal hole and the fifth 
pin are almost the same, less than 100 
ohm.

Replace the electronic 

expansion valve

If the fault is eliminated?

If the fault is eliminated?

Replace the 

control panel 

AP1

Coolant leakage, refilling 

the coolant

End

Содержание A16CI4H4R36

Страница 1: ...Service Manual 02 6 A16EM4H4R36 A16CI4H4R36...

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Страница 5: ...repair work shall be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Have all wiring connected tightly Loose connection may lea...

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Страница 8: ...Compressor Speed rps 25 35 45 55 65 70 65 55 45 35 25 15 Compressor Speed rps Current A 16 14 12 10 8 6 4 16 14 12 10 8 6 4 18 18 Condition Indoor DB68 F WB62 6 F Indoor air flow high Pipe length 25ft...

Страница 9: ...6SHFL FDWLRQV Capacity ratio Capacity ratio 50 40 40 50 120 110 100 90 80 70 60 50 45 32 18 5 Outdoor temp Outdoor temp 90 95 100 108 118 60 70 80 90 100 110 120 RROLQJ HDWOLQJ...

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Страница 12: ...DJUDP 5HIULJHUDQW 6 VWHP LDJUDP 2 Way valve Strainer Strainer Strainer 3 Way valve Muffler 4 Way valve Heat exchanger INDOOR Heat exchanger OUTDOOR r o t a l u m u c c a b u S r o s s e r p m o C Cool...

Страница 13: ...Color symbol Symbol Color symbol Symbo Part name SAT OVERLOAD BU BLUE VT VIOLET COMP COMPRESSOR YE YELLOW OG ORANGE PROTECTIVE EARTH PROTECTIVE EARTH RD RED BK BLACK BN BROWN YEGN YELLOW GREEN Symbol...

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Страница 17: ...T Press it to turn on off the light MODE icon If MODE button is pressed current operation mode icon AUTO COOL DRY FAN or HEAT is only for heat pump models will show LOCK icon is displayed by pressing...

Страница 18: ...for above 2 seconds to rapidly increase set temperature In AUTO mode set temperature is not adjustable Press this button to decrease set temperature Hold it down for above 2 seconds to rapidly decrea...

Страница 19: ...AT mode the SLEEP mode runs after 1hour the setting temp will be decreased by1 2 hours later setting temp will be decreased by2 then it will run LIGHT Press LIGHT button to turn on the display s light...

Страница 20: ...perate at original state Start cooling Stop cooling Compresso r Original working state Run Stop Outdoor fan Indoor fan Tpreset Tpreset 3 6 Tamb Preset fan s pee d 6 minutes 6 minutes 3 minutes Protect...

Страница 21: ...04 the indoor fan also will run at low speed and after 1 minute operation at low speed the indoor fan will be converted to operation at preset speed Within 1 minute low speed operation or 2 minute non...

Страница 22: ...ube 136 the compressor will run at reduced frequency d If T tube 144 the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T tube 126 the unit will return to its...

Страница 23: ...open circuited or short circuited for successive 30 seconds Outdoor tube temperature The sensor is detected to be open circuited or short circuited for successive 30 seconds and no detection is perfo...

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Страница 26: ...pace to the wall Space to the wall Air outlet side Space to the floor Above Above 5 9 in Above 5 9 in Above 11 8in Above 19 7 in Above 19 7 in Above 11 8 in Above 78 7in Above Above Space to the obstr...

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Страница 35: ...it or creepage Measure the insulation resistance or eliminate the mal function one by one If the breaker itself has malfunction then replace the breaker Check the voltage If it is lower than 10 of the...

Страница 36: ...eed was set too slow To set the fan speed to high or middle speed Air circulation is insufficient Fan rotation speed becomes low Capacitor damage Motor damage Replace the capaci tor Replace the motor...

Страница 37: ...a M Breakage of running capacitor of compressor Replace the capacitor The voltage is too low or too high Manostat is recommended Wrong wire connection Connect the circuit diagram correctly When coolin...

Страница 38: ...osen screws Touch of pipeline of outdoor unit Separate the touching pipeline Touch of inner plates Louver of outdoor unit touched outer case Abnormal sound inside compressor Change compressor Adjust l...

Страница 39: ...7URXEOHVKRRWLQJ ODVKLQJ RI QGRRU 2XWGRRU 8QLW DQG 3ULPDU XGJHPHQW No feedback of outdoor fan motor High preesure Protection E1...

Страница 40: ...ellow indicator blinks for twice Yellow indicator blinks for 4 times Yellow indicator blinks for 5 times Yellow indicator blinks for 6 times Yellow indicator blinks for 7 times Yellow indicator blinks...

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Страница 42: ...00V Fault with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC...

Страница 43: ...ssure is too high 5 Other conditions resulting in that the system pressure becomes too high The connection of capacitor C2 is loose Reconnect the capacitor C2 according to Electrical Wiring Diagram Th...

Страница 44: ...protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please op...

Страница 45: ...stopping enough Fault diagnosis process Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the co...

Страница 46: ...or the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Re...

Страница 47: ...tes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the te...

Страница 48: ...ort circuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around z...

Страница 49: ...ormally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit...

Страница 50: ...alue jumping Measure voltage at the Test 15 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Test 11 position as shown in the diagram with a voltmeter Value jumpi...

Страница 51: ...fully open Check if the capacity output of outdoor unit is equal to the capacity demand of indoor units Check if the indoor outdoor filters or radiating fins are dirty or blocked Clean the fins The s...

Страница 52: ...986 1 322 0 444 24 73 4 802 1 282 0 433 23 6 4 625 1 244 0 422 22 53 4 456 1 207 0 412 21 51 4 294 1 171 0 401 20 54 4 139 1 136 0 391 19 63 3 99 1 103 0 382 Appendix 1 Resistance Table of Ambient Te...

Страница 53: ...648 1 736 0 592 32 98 6 403 1 71 0 577 31 47 6 167 1 658 0 563 30 04 5 942 1 609 0 549 28 68 5 726 1 561 0 535 27 39 5 519 1 515 0 521 26 17 5 32 1 47 0 509 Appendix 2 Resistance Table of Outdoor and...

Страница 54: ...827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165 224 6 2 715 15 8 259 3 86 39 61 156 2 8 854 226 4 2 64 17 6 245 6 87 8 37 96 158 8 555 228 2 2 568 19 4 232 6...

Страница 55: ...for a minimum of 10 minutes after turning off all power supplies before disassembly Steps Procedure 1 Before disassembly of the unit 2 Remove filter panel clasps filter Axonometric drawing for the com...

Страница 56: ...emove horizontal louver display clasp panel horizontal louver Remove 2 screws fixing display and then remove the filter Pull the clasps at both sides slightly and then remove the panel Remove the axia...

Страница 57: ...front case screw top cover of electric box screw cap screw front case Procedure Steps Remove screws fixing the top cover of electric box Remove the top cover of electric box Remove the screw caps on...

Страница 58: ...thing wire 9 Remove electric box cover screw clasp clasp electric box cover Remove earthing screws and then remove the earthing wire Loosen clasps at the left side of electric box Loosen clasps on the...

Страница 59: ...ure Steps 10 Remove temperature sensor 11 Remove electric box temperature sensor screw electric box Pull out the indoor temperature sensor Pull out 6 sockets on PCB board Pull out two screws on electr...

Страница 60: ...on position for indoor and outdoor units connection pipe pipe stopping plate screw screw damping board Pull the water tray upwards and then remove the water tray Separate the connection pipe between i...

Страница 61: ...rew evaporator screw Remove screws between evaporator and bottom case Turn over the indoor unit and adjust the pipe line to the position as shown by the broken line Lift up the evaporator and then rem...

Страница 62: ...5HPRYDO 3URFHGXUH 1 Procedure Steps 2 3 18 Remove cross flow blade and motor blade motor Remove screws fixing cross flow blade and motor Remove the motor sub assy Separate two cross flow blade...

Страница 63: ...5HPRYDO 3URFHGXUH 1 2 Procedure Steps 19 Remove cushion rubber cushion rubber Remove the cushion rubber on cross flow blade Remove the cushion rubber from the base...

Страница 64: ...ewdriver to remove the screws connecting the top panel and panel and side panels Remove the top panel Loosen the screws fixing the valve cover and then remove the valve cover top panel valve cover Loo...

Страница 65: ...panel chassis and motor support with screwd river and then remove the panel 4 Remove guard grille Twist off the screws fixing the guard grille and then remove the guard grille 5 Remove handle Twist o...

Страница 66: ...nd then remove the right side plate Twist off the screws on electric box cover with screwdriver and then remove the electric box cover Twist off the screws on electric box cut off the tieline with sci...

Страница 67: ...blade Twist off the screws between electric box 1 and left side plate with screw driver pull it upwards to remove the electric box 1 Twist off the screws connecting the left side plate and chassis wi...

Страница 68: ...screws fixing the motor pull out the pin of leading wire for motor and then remove the motor Twist off the tapping screws fixing the motor support pull it upwards and then remove the motor support Uns...

Страница 69: ...dering joint wrap the gas valve with wet cloth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection...

Страница 70: ...chassis 15 Remove support plate of condenser Twist off the screws connecting the support plate of condenser and condenser with screwdriver and then remove the support plate of condenser 16 Remove chas...

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