6
Santa Fe HC Owners Manual
6.2 Blower (Fan) Switch
Turning “
ON
” the fan switch will cause the unit's internal
blower to run continuously, whether the unit is dehumidifying
or not. This function is desirable if the unit is used for air
circulation.
Turning “
OFF
” the fan switch will cause the unit’s internal
blower to run only while the unit is dehumidifying.
7 Maintenance
NOTE: Do not operate the unit without the filter or with
a less effective filter. The heat exchange coils inside
the unit could become clogged and require disassembly
to clean.
7.1 Air Filter
The Santa Fe HC ships with a pleated fabric filter standard.
This should be checked monthly. Operating the unit with a
dirty filter will reduce dehumidifier capacity and efficiency
and may cause the compressor to cycle on and off unnecessarily.
The pleated fabric filter can generally be vacuumed clean
several times before needing replacement. Replacement
filters can be ordered from the factory. To order a replacement
filter, refer to the options and accessories table in this document.
7.2 Blower Oiling
The blower motor has been lubricated at the factory for many
years of normal operation.
8 Service
WARNING: Servicing the Santa Fe HC with its high
pressure refrigerant system and high voltage circuitry
presents a health hazard which could result in death,
serious bodily injury, and/or property damage. Only
qualified service people should service this unit.
8.1 Technical Description
The Santa Fe HC uses a refrigeration system similar
to an air conditioner's to remove heat and moisture from
incoming air, and add heat to the air that is discharged.
Hot, high pressure refrigerant gas is routed from the
compressor to the condenser coil. The refrigerant is cooled
and condensed by giving up its heat to the air that is about
to be discharged from the unit. The refrigerant liquid then
passes through a filter/drier and capillary tubing which cause
the refrigerant pressure and temperature to drop. It next
enters the evaporator coil where it absorbs heat from the
incoming air and evaporates.
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
No dehumidification, neither blower nor compressor run with
fan switch OFF.
1. Unit unplugged or no power to outlet.
2. Humidity control set too high or defective.
3. Loose connection in internal wiring.
No dehumidification, compressor does not run but blower
runs with fan switch OFF and humidity control turned to ON.
1. Defective compressor or compressor run capacitor.
2. Loose connection in compressor circuit.
3. Defective compressor overload.
4. Defrost thermostat open.
Blower runs with fan switch OFF, but compressor cycles on & off.
1. Low ambient temperature and/or humidity causing unit to
cycle through defrost mode.
2. Defective compressor overload.
3. Defective compressor.
4. Defrost thermostat defective.
Blower does not run with fan switch in either position.
Compressor runs briefly but cycles on & off.
1. Loose connection in blower circuit.
2. Obstruction prevents impeller rotation.
3. Defective blower.
4. Defective blower switch.
IMPORTANT
WARNING
Figure 16:
Santa Fe HC refrigeration system.
Figure 15:
Blower
fan switch.
Содержание Santa Fe HC
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