Insufficient Cooling
Insufficient Cooling
High Discharge Pressure or Low
Suction Pressure
Dual Pressure
Switch
Compressor
Cycling
Overcurrent
Relay For
Compressor
Clogged Capillary or Pressure
Switch
Switch Faulty
High Voltage or Low Voltage
Discharge Gas
Thermostat or
Internal
Thermostat
Single-Phase
High Discharge Pressure And
High Suction Pressure
High Discharge Pressure And
Low Suction Pressure
Refrigerant Short Charge or
Refrigerant Leakage
See "High Discharge Pressure" or
"Low Suction Pressure"
Repair Clogging and Replace
The Switch If Required
Repair or Change If Necessary
Get The Right Voltage
Check The Power Line To The
Compressor : Repair When Necessary
High Suction Pressure
High Discharge Pressure or Low
Suction Pressure
See "High Suction Pressure"
Running
Tripping
Cycling On
Tripping
Tripping
Loose Connections
See "High Discharge Pressure"
or "High Suction Pressure"
Tighten The Connections
See "High Discharge Pressure"
or "Low Suction Pressure"
Add Refrigerant. Repair
Leakage If Detected.
See "High Discharge Pressure"
or "Low Suction Pressure"
High Discharge Pressure
High Discharge
Pressure
Clogged Condenser Coil
Condenser
Air Inlet
Temperature
Condenser
Air Flow
Low Fan Speed
Malfunction Of Fan Cycling
System
Circulating Air Flow
Overcharged Refrigerant
Non-Condensable Gas
High Suction Pressure
Clean The Condenser
Check The Voltage And Get
The Right Voltage
Check The System And
Repair If Required
Secure Space For
Required Air Flow
Purge The Refrigerant
Restricted
High
Restricted Liquid Line
Purge The Gas
Remove The Restriction
See "High Suction Pressure"
Low Discharge Pressure
Low Discharge
Pressure
Malfunction Of Fan Cycling
System
Condenser
Air Flow
Low Refrigerant Charge
Low Ambient Temperature
Check The System And Repair The
Components If Required
Add Refrigerant
See The Unit Working Range
Excessive
Page 83
Содержание MCM 020 D
Страница 21: ...Refrigerant Circuit MODEL MCM020D MLC M4LC020B MODEL MCM025D MLC M4LC025B MCM030D M4LC030B Page 20...
Страница 23: ...MODEL MCM020DR MLC M4LC020BR MODEL MCM025DR MLC M4LC025BR MCM030DR MLC030BR Page 22...
Страница 41: ...MODEL MLC M4LC061 C CR Page 40...
Страница 42: ...Wiring Diagrams COOLING ONLY INDOOR UNIT MODEL MCM020 025D OUTDOOR UNIT MODEL MLC M4LC020 025B Page 41...
Страница 43: ...INDOOR UNIT MODEL MCM030D OUTDOOR UNIT MODEL MLC030B Page 42...
Страница 44: ...INDOOR UNIT MODEL MCM030D OUTDOOR UNIT MODEL MLC M4LC030C Page 43...
Страница 45: ...INDOOR UNIT MODEL MCM040D OUTDOOR UNIT MODEL MLC035C Page 44...
Страница 46: ...INDOOR UNIT MODEL MCM040 050D OUTDOOR UNIT MODEL MLC M4LC040 050C Page 45...
Страница 47: ...INDOOR UNIT MODEL MCM061 062C OUTDOOR UNIT MODEL M4LC060C Page 46...
Страница 48: ...INDOOR UNIT MODEL MCM061 062C OUTDOOR UNIT MODEL MLC M4LC061C Page 47...
Страница 49: ...HEAT PUMP INDOOR UNIT MODEL MCM020 025DR OUTDOOR UNIT MODEL MLC M4LC020 025BR Page 48...
Страница 50: ...INDOOR UNIT MODEL MCM030DR OUTDOOR UNIT MODEL MLC030BR Page 49...
Страница 51: ...INDOOR UNIT MODEL MCM030DR OUTDOOR UNIT MODEL MLC M4LC030CR Page 50...
Страница 52: ...INDOOR UNIT MODEL MCM040DR OUTDOOR UNIT MODEL MLC035CR Page 51...
Страница 53: ...INDOOR UNIT MODEL MCM040 050DR OUTDOOR UNIT MODEL MLC M4LC040 050CR Page 52...
Страница 54: ...INDOOR UNIT MODEL MCM061 062CR OUTDOOR UNIT MODEL MLC M4LC061CR Page 53...
Страница 55: ...INDOOR UNIT MODEL MCM061 062CR OUTDOOR UNIT MODEL MLC M4LC060CR Page 54...
Страница 61: ...LOW AMBIENT UNIT OPTIONAL OUTDOOR UNIT MODEL MLC010B 015B 50HZ OUTDOOR UNIT MODEL MLC020B 025B 50HZ Page 60...
Страница 63: ...SINGLE PHASE FOR 4HP OUDOOT UNIT MODEL MLC M4LC040C COOLING ONLY MODEL MLC M4LC040CR HEATPUMP Page 62...
Страница 68: ...MCM061 062C Figure C Provide the installation space as shown in Figure D MCM D MCM061 062C Figure D Page 67...
Страница 94: ...2004 McQuay International 1 800 432 1342 www mcquay com ISO 9002 REGISTERED...