McQuay MDB100B User Manual

103
Insufficient Cooling
High Discharge 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
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
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"

McQuay MDB100B Specifications

General

Brand	McQuay
Model	MDB100B
Category	Air Conditioner
Language	English