3
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3.2 Electrical Requirements
The Phoenix R75 plugs into a common grounded outlet
on a 5 amp circuit. It draws 6. amps at 80°F, 60% RH.
If used in a wet area, a ground fault interrupter (GFI) is
required. If an extension cord is required, it must have a
minimum of 4 gauge conductors if 25 feet long or less
and 2 gauge conductors if greater than 25 feet long.
3.3 Condensate Removal
The Phoenix R75 is equipped with an internal condensate
pump to remove the water that is condensed during
dehumidification. This allows the condensate to be
pumped 20 feet with the attached hose. If the condensate
must be pumped more than 20 feet above the unit, a
second pump must be added to relay the condensate. The
condensate pump automatically purges for 20 seconds
every four minutes. Use the PURGE button to manually
remove condensation.
3.4 Ducting
A wire duct collar is supplied to allow 0” lay-flat duct to
be attached to the Phoenix R75 outlet. Lay-flat plastic
ducting is available; see accessories table page 6. To
attach ducting to the wire duct collar, put the plastic duct
end through the collar center and roll the duct end outward
so that it overlaps the outside of the collar. The duct and
collar may then be quickly attached to the Phoenix R75
by snapping the collar over the four exhaust tabs.
3.5 Defrost Cycle
If the low side refrigerant temperature drops due to exces-
sive frost formation on the evaporator coil and below the
temperature set point, the thermistor activates the solid-
state control and defrost light. The compressor is cycled
off and on by the thermistor temperature measurement.
The air mover will continue to run, causing air to flow
through the evaporator coil and melt the ice when the com-
pressor is off. When the air temperature and/or humidity
increases, the evaporator temperature will rise and the
thermistor will end the defrost cycle at the temperature set
point.
3.6 POWER Button
Press the POWER button to turn the dehumidifier on or off.
When starting the dehumidifier the display will show the
accumulated hours. Press the POWER button again to turn
the dehumidifier off. The display will also power off.
3.7 PURGE Button
During normal operation the pump automatically cycles
every four minutes. Press the PURGE button to remove
condensate manually from the reservoir. There are several
ways to manually remove water from the reservoir:
. Press the PURGE button once and the pump will run
for 20 seconds
2. Press and hold the PURGE button and the pump will
run for up to 30 seconds
3. Press the PURGE button while the dehumidifier is
powered off and the pump will run for 30 seconds.
Always manually purge the water reservoir before transport
or storage. Turn off the power and allow the plugged in
dehumidifier to rest 5 minutes before the final purge.
3.8 Hour Meter
The digital hour meter displays the cumulative time the
dehumidifier has been turned on to the tenth of an hour.
The total hours measured is stored when the unit is
unplugged. The previous total will be displayed the next
time the unit is turned on.
3.9 HOURS Button
Press the HOURS button when the dehumidifier cannot
be plugged in and the hour meter needs to be read. The
digital hour meter will display the last saved cumulative
time for ten seconds.
3.10 DEFROST Light
The DEFROST light turns on when the unit is in defrost
cycle and indicates when the compressor is off.
4 Maintenance
4.1 Air Filter
The Phoenix R75 is equipped with a pleated media air
filter that must be checked regularly. The standard filter
is a MERV-7 high efficiency filter. Operating the unit with
a dirty filter will reduce the dehumidifier’s capacity and
efficiency and may cause the compressor to cycle off and
on unnecessarily. The filter can generally be vacuumed
clean several times before needing replacement.
Replacement filters can be ordered from the manufacturer
or purchased locally if available.
Figure 2: Phoenix R175 control board.
