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Carrier 124ANS Скачать руководство пользователя страница 22

22

3 --- Water---level alarm --- diagnosis and solution

Error Code

E8

Malfunction conditions

If the sampling voltage is not 5V, the LED displays the failure.

Possible Causes

• Wiring mistake

• Water---level switch faulty

• Water pump faulty

• Indoor PCB faulty

If the water-level switch

is inserted well?

If the water-level switch

is inserted well?

No

Insert the water-level switch well

Insert the water-level switch well

If the water-level switch

is broken?

If the water-level switch

is broken?

Yes

Replace the water-level switch

Replace the water-level switch

Replace the water pump, If
malfunction

is

still

not

solved

Replace the water pump, If
malfunction is still not
solved

Yes

No

Yes

Replace the indoor main PCB

Replace the indoor main PCB

Power off, then restart the unit 2 minutes

later. Is it still displaying the error code?

Power off, then restart the unit 2 minutes

later. Is it still displaying the error code?

Yes

ADDITIONAL INFORMATION FOR CRITICAL PARTS:

Temperature sensor troubleshooting

Disconnect the temperature sensor from the PCB, and measure the resistance value with a multimeter.

Temperature sensors:

1.

Room temperature (T1) sensor,

2.

Indoor coil temperature (T2) sensor,

3.

Outdoor coil temperature (T3) sensor,

4.

Outdoor ambient temperature (T4) sensor,

5.

Compressor discharge temperature (T5) sensor

Indoor Fan Motor

Measure the resistance value of each winding by using the multimeter.

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Содержание 124ANS

Страница 1: ...RNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which coul...

Страница 2: ...IL UNIT MK MODEL VOLTAGE 3 208 230 1 60 NOMINAL CAPACITY 18 1 1 2 TONS 24 2 TONS 30 2 1 2 TONS 34 2 5 6 TONS INDOOR FAN COIL TYPE C CASSETTE 01 15 Week of Manufacture Year of Manufacture 00001 Serial...

Страница 3: ...ssette Indoor units KSALA0801AAA Low Ambient Control for cooling 20F 24AHA4 25HHA4 208 230V KSALA0901AAA Low Ambient Control for cooling 20F 24AHA4 460V 3 KAACH1401AAA Crankcase Heater 24AHA4 Sizes 18...

Страница 4: ...6 5 6 5 6 No Rows 2 3 3 3 3 3 Fins per inch 18 18 18 18 18 18 Circuits 8 12 12 12 12 12 Compressor Type Scroll Scroll Scroll Scroll Scroll Scroll Model ZP16K6E PFV 130 ZP20K6E PFV 130 ZP25K5E PFV 130...

Страница 5: ...or Charge Lb 7 7 12 1 12 3 12 3 12 3 Outdoor Coil Face Area Sq Ft 7 3 12 1 12 1 12 1 12 1 No Rows 2 2 2 2 2 Fins per inch 20 20 20 20 20 Circuits 3 6 5 5 5 Indoor Coil Face Area sq ft Sq Ft 5 6 5 6 5...

Страница 6: ...assette Body A150291 Fig 2 40MKC C 40MKQ C Unit and Panel Dimensions Table 5 Dimensions Indoor Indoor Unit Size BTU Hr Height H in mm Width W in mm Depth D in mm Operating Weight lb kg 18K 33 1 840 33...

Страница 7: ...29 1 740 34 1 865 13 7 348 8 1 206 15 9 403 0 8 19 3 4 86 6 4 162 183 83 24AHA436 37 1 943 44 5 1130 17 1 433 18 4 468 30 5 775 19 6 498 29 1 740 34 1 865 13 7 348 8 1 206 15 9 403 0 9 22 3 4 86 6 4 1...

Страница 8: ...nit Clearance CLEARANCES OUTDOOR A D B Air inlet Air outlet C E A08436 Fig 5 Outdoor Unit Clearance Table 7 Clearances Indoor UNIT Coil Facing Wall in mm Fan Facing Wall in mm A 24 610 24 610 B 24 610...

Страница 9: ...1 20 19 0 30 36 50 208 230 3 253 197 71 0 9 3 1 20 12 8 20 36 60 460 3 506 414 38 0 5 6 0 60 7 6 15 Table 10 40MKCB C Electrical Data Indoor Unit Size BTU Hr V Ph Hz Voltage Range Fan Power Min V Max...

Страница 10: ...tdoor unit to the indoor unit To minimize voltage drop of the communication wire use the wire size and maximum lengths shown in Table 12 Table 12 Maximum Lengths Wire Size Length ft m 18AWG 50 ft 15 m...

Страница 11: ...0282 Fig 7 40MKQB C 25HHA4 or 224ANS Connecting Diagram Notes 1 Do not use thermostat wire for any connection between indoor and outdoor units 2 All connections between indoor and outdoor units must b...

Страница 12: ...am eorequ ivalentwire Legend Modelsp ecific fe ature CN1 CN17 CN111 Comp ressorsi gnal CN8 Fa n CN6 Co nnectors Livewire L1 Null lineL2 Nullline C interface interface CN33 R emotealarminterface CN23 R...

Страница 13: ...terface interface CN33 R emoteala rminterface CN23 R emotesw itchinterface CN13 P umpinterface CN14 S wingmotor interface CN5 Wa terlevels witchinterface CN10 D isplaybo ardinterface CN3 Ce ntralized...

Страница 14: ...14 OUTDOOR UNIT SCHEMATIC DIAGRAM Fig 12 25HHA4 224ANS Wiring Diagram 208 230V 1 Phase Fig 13 25HHA4 224ANS Wiring Diagram 208 230V 3 Phase...

Страница 15: ...15 Fig 14 25HHA4 224ANS Wiring Diagram 460V 3 Phase...

Страница 16: ...ION T I N U R O O D T U O T I N U R O O D N I Fig 15 Cooling Only HEAT EXCHANGER CONDENSER HEAT EXCHANGER EVAPORATOR SERVICE VALVE LIQUID HTG LIQUID TWO PHASE REVERSING VALVE COOLING HEATING COMPRESSO...

Страница 17: ...24AHA424A003 124ANS024000 40MKCB34C 3 12 030 24AHA430A003 124ANS030000 40MKCB34C 3 12 034 24AHA436A003 5 6 124ANS036000 40MKCB34C 3 8 Heat Pump 024 25HHA424A003 224ANS024000 40MKCB34C 3 14 030 25HHA4...

Страница 18: ...Close service valve and allow system to stand for 1 hr During this time dry nitrogen will be able to diffuse throughout the system absorbing moisture 5 Repeat this procedure as indicated in Fig 20 Sy...

Страница 19: ...rts These problems are typical air conditioning mechanical or electrical issues that can be corrected using standard air conditioning repair techniques INDOOR UNIT DIAGNOSTIC CODES Table 17 Fault Code...

Страница 20: ...nec ons between temperature sensor and PCB Are the connec ons good Check the connec ons between temperature sensor and PCB Are the connec ons good Correct the connec ons Correct the connec ons No Yes...

Страница 21: ...sible Causes Installation mistake Defective PCB Troubleshooting If the EEPROM chip is welded on main PCB replace the main PCB directly Otherwise check whether the EEPROM chip is plugged into main PCB...

Страница 22: ...l not solved Replace the water pump If malfunction is still not solved Yes No Yes Replace the indoor main PCB Replace the indoor main PCB Power off then restart the unit 2 minutes later Is it still di...

Страница 23: ...3 Pic 1 Pic 2 Pic 3 2 Remove the grill Disconnect the display board wire connected to the PCB Move the grill up and down to remove the grille Disconnect the wires between control box and grill Take do...

Страница 24: ...step2 of No 1 3 Disassemble the display board Remove the two screws show in the picture to disassemble the display board Two screws 3 Remove the PCB 1 Open the grill Repeat the operation of step1 of...

Страница 25: ...out all the plugs or connectors connected to the electronic control box 4 Remove the electronic control box Remove the 3 screws to disassemble the electronic control box 5 Remove the panel 1 Open the...

Страница 26: ...trol box Repeat the operation of No 4 3 Screw off the 3 screws to remove the volute shell 7 Remover the fan wheel 1 Repeat the operation of No 6 2 Remove the hexagon nut to disassemble the fan wheel 3...

Страница 27: ...ove the volute shell Repeat the operation of No 6 4 Screw off the screws to remove the water connector assembly 10 Remove the draining pump 1 Rotate the black cover counterclockwise to remove it 2 Rot...

Страница 28: ...e the evaporator 1 Remove the water collector assembly Repeat the operation of No 9 2 Remove the seal board of evaporator 3 Remove the evaporator fixing board 4 Remove the evaporator fixing clamps to...

Страница 29: ...signal interface R C Input AC 24V CN111 Signal interface Y O Output 24V AC CN 8 New fan interface Voltage AC 230V CN 6 Connectors interface Output 5V DC CN 33 Remote alarm interface Only a Contact an...

Страница 30: ...1 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982...

Страница 31: ...39 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7 086 119...

Страница 32: ...ator Alarm indicator Manual button Service purpose switch to be used by trained personnel only Illuminates during TIMER operation Illuminates during DEFROST operation Receives the signal from remote c...

Страница 33: ...201 2 125 257 4 39 2 33 91 4 64 147 2 95 203 126 258 8 4 5 40 1 34 93 2 65 149 96 204 8 127 260 6 5 41 35 95 66 150 8 97 206 6 128 262 4 6 42 8 36 96 8 67 152 6 98 208 4 129 264 2 7 44 6 37 98 6 68 1...

Страница 34: ...P S 7310 W Morris St S Indianapolis IN 46231 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 40MKC Q B C 01SM Replace...

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