MLCAC-UTSM-2010-10
Troubleshooting
Outdoor Units 119
11. P4 malfunction
When
compressor discharge temperature is higher than 115°C, the unit will stop, and unit runs again when
compressor discharge temperature is lower than 90°C.
P4 display
Discharge temperature protection of compressor
Check whether the compressor discharge temp. is more than 115°C ?
No
Check whether the wiring connection is right
between compressor discharge temp. sensor and
PCB according to wiring diagrams
Yes
Method: Check whether the resistance of compressor discharge
temp. sensor is right refer to the Annex 2
No
Correct the wiring connection
Yes
Replace outdoor main board
Judge: The discharge temp. sensor is broken
No
Replace the compressor
discharge temp. sensor
Check whether the refrigerant is leak
Stop leaking and add refrigerant
Yes
Yes
Содержание KOU-12HDN1
Страница 1: ...Service Manual 2010...
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Страница 15: ...MLCAC UTSM 2010 10 Dimensions New Four way Cassette Compact 11 3 Dimensions 4 Service Space...
Страница 20: ...Field Wiring MLCAC UTSM 2010 10 16 New Four way Cassette Compact 11 Field Wiring KCA2 12HRDN1 Q KCA2 18HRDN1 Q...
Страница 21: ...MLCAC UTSM 2010 10 Field Wiring New Four way Cassette Compact 17 KCA2 12HRDN1 Q KCA2 18HRDN1 Q...
Страница 30: ...Service Space MLCAC UTSM 2010 10 26 Four way Cassette Type 4 Service Space For 18 48k For 60k...
Страница 36: ...The Specification of Power MLCAC UTSM 2010 10 32 Four way Cassette Type 10 The Specification of Power...
Страница 37: ...MLCAC UTSM 2010 10 Field Wiring Four way Cassette Type 33 11 Field Wiring Wiring chart...
Страница 38: ...Field Wiring MLCAC UTSM 2010 10 34 Four way Cassette Type...
Страница 52: ...The Specification of Power MLCAC UTSM 2010 10 48 Duct Type 10 The Specification of Power...
Страница 53: ...MLCAC UTSM 2010 10 Field Wiring Duct Type 49 11 Field Wiring...
Страница 54: ...Field Wiring MLCAC UTSM 2010 10 50 Duct Type Air conditioner link circuit...
Страница 55: ...MLCAC UTSM 2010 10 Field Wiring Duct Type 51...
Страница 56: ...Field Wiring MLCAC UTSM 2010 10 52 Duct Type...
Страница 64: ...Service Space MLCAC UTSM 2010 10 60 Ceiling Floor Type 4 Service Space...
Страница 65: ...MLCAC UTSM 2010 10 Wiring Diagrams Ceiling Floor Type 61 5 Wiring Diagrams KUB 12HRDN1...
Страница 72: ...The Specification of Power MLCAC UTSM 2010 10 68 Ceiling Floor Type 10 The Specification of Power...
Страница 73: ...MLCAC UTSM 2010 10 Field Wiring Ceiling Floor Type 69 11 Field Wiring...
Страница 74: ...Field Wiring MLCAC UTSM 2010 10 70 Ceiling Floor Type...
Страница 75: ...MLCAC UTSM 2010 10 Field Wiring Ceiling Floor Type 71...
Страница 79: ...MLCAC UTSM 2010 10 Dimensions Console Type 75 3 Dimensions KFA 12HRDN1 KFA 18HRDN1...
Страница 80: ...Service Space MLCAC UTSM 2010 10 76 Console Type 4 Service Space...
Страница 86: ...The Specification of Power MLCAC UTSM 2010 10 82 Console Type 10 The Specification of Power...
Страница 87: ...MLCAC UTSM 2010 10 Field Wiring Console Type 83 11 Field Wiring...
Страница 88: ...Field Wiring MLCAC UTSM 2010 10 84 Console Type...
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Страница 97: ...MLCAC UTSM 2010 10 Service Space Outdoor Units 93 3 Service Space...
Страница 99: ...MLCAC UTSM 2010 10 Wiring Diagrams Outdoor Units 95 5 Wiring Diagrams KOU 12HDN1...
Страница 100: ...Wiring Diagrams MLCAC UTSM 2010 10 96 Outdoor Units KOUA 18HDN1 C0 KOUB 24HDN1...
Страница 101: ...MLCAC UTSM 2010 10 Wiring Diagrams Outdoor Units 97 KOU 30HDN1 KOU 36HDN1 KOU 48HDN1...
Страница 102: ...Wiring Diagrams MLCAC UTSM 2010 10 98 Outdoor Units KOUB 36HDN1 R KOUB 48HDN1 R KOUA 60HRDN1...
Страница 103: ...MLCAC UTSM 2010 10 Wiring Diagrams Outdoor Units 99 KOUD 60HDN1 R...
Страница 110: ...Troubleshooting MLCAC UTSM 2010 10 106 Outdoor Units...
Страница 139: ...MLCAC UTSM 2010 10 Control Control 135 Part 5 Control 1 Wireless Remote Controller 136...