The evaporator operates in a flooded condition, which
means that all the evaporator tubes contain liquid
refrigerant during normal operation. A flooded evaporator
should maintain constant pressure and temperature across
the entire coil, from inlet to outlet. The mixture of gas
and liquid refrigerant enter the accumulator after leaving
the evaporator coil. The accumulator prevents any liquid
refrigerant from reaching the compressor. The compressor
evacuates the cool refrigerant gas from the accumulator
and compresses it to a high pressure and temperature gas
to repeat the process.
8.2 Troubleshooting
FOR THE HOMEOWNER:
n
If the unit does not work properly, please check the
following:
— Is the unit unplugged?
— Is power to outlet on? (check switch, if applicable)
— Is circuit breaker tripped?
— Is humidity control set? (turn to “ON”)
— Is air flow restricted? (check air filter and grill)
If none of the above, call dealer or 1-800-533-7533.
FOR THE HVAC PROFESSIONAL:
n
No dehumidification. Neither blower, nor compressor run
with fan switch AUTO.
1. Unit unplugged or no power to outlet, circuit breaker
tripped.
2. Humidity control set to “Humid” setting.
3. Loose connection in internal wiring.
4. Humidity control is defective.
n
No dehumidification. Compressor does not run but
blower runs with fan switch AUTO and humidity control
turned to ON.
1. Defrost thermostat open, ambient temperature too low.
2. Loose connection in compressor circuit.
3. Defective compressor overload.
4. Defective compressor or compressor run capacitor.
n
Blower runs with fan switch AUTO but compressor
cycles on & off.
1. Low ambient temperature and/or humidity causing unit
to cycle through defrost mode.
2. Defrost thermostat defective.
3. Defective compressor overload.
4. Defective compressor.
n
Blower does not run with fan switch in either position.
Compressor runs briefly but cycles on and off.
1. Loose connection in blower circuit.
2. Obstruction prevents impeller rotation.
3. Defective blower.
4. Defective blower switch.
n
Evaporator coil frosted continuously, low dehumidifying
capacity.
1. Dirty air filter or air flow restricted.
2. Defrost thermostat loose or defective.
3. Low refrigerant charge.
If none of the above has fixed the issue, call technical
support at 1-800-533-7533.
9. Service Parts List
Part No Description
4026221 Leveling Foot
4031085 Condensor Coil
4031086-02 Evaporator Coil
4025741 Thermostat, Defrost Control
4029510 Filter/Drier
4032225 Compressor Replacement Kit
4029568 Compressor Overload
4032196 Impeller
4025560 Fan Switch
4021469 Humidistat
4033031-02 Blower Capacitor, Run, 5MFD, 370V
4033032-03 Compressor Capacitor, Run, 35MFD, 370V
Santa Fe Impact XT OWNER’S AND INSTALLER’S MANUAL
6
Santa Fe Impact Installer’s & Owner’s Manual
Santa Fe Impact refrigeration system
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