Diagnosis: Troubleshooting, Warnings and Alarm Codes
213
Low suction pressure
NOTE: This unit has a capacity
control system. Suction and
discharge pressures may drop below
expected normal readings when the
unit is on Modulation Cool (control
temperature within 10 C [18 F] of
setpoint or in Power Limit mode).
Shortage of refrigerant
Repair leak and recharge
Low ambient air temperature
No remedy
Iced or dirty evaporator coil
Defrost or clean evaporator coil
Restricted lines
Locate and clear restriction
Plugged filter drier
Replace filter drier
Expansion valve closed too much
Adjust or replace valve
Expansion valve feeler bulb
improperly mounted, poorly insulated
or making poor contact
Correct feeler bulb installation
Evaporator fans off
Check evaporator fan motors and
control circuit and correct fault
Defective controller or power module
Diagnose power module and
controller. Replace defective
component
Service gauge out of calibration
Adjust or replace gauge
Condition
Possible Cause
Remedy
Содержание 098203
Страница 2: ......
Страница 3: ...MAGNUM TK 60275 4 MM Rev 3 08 15 Copyright 2012 Ingersoll Rand EMEIA Printed in Ireland...
Страница 193: ...Refrigeration Maintenance 191 Figure 163 Filter Drier...
Страница 200: ...Refrigeration Maintenance 198 Figure 169 Receiver Tank Figure 170 Water Cooled Condenser Tank...
Страница 257: ...255 Schematic Diagram RELEASED 19 Sep 2013...
Страница 258: ...256 Wiring Diagram Page 1 of 2 RELEASED 19 Sep 2013...
Страница 259: ...257 Wiring Diagram Page 2 of 2 RELEASED 19 Sep 2013...
Страница 263: ......