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WARNING: Turn off electric power
at the fuse box or service panel before making
any electrical connections. Also, the ground
connection must be completed before making line
voltage connections. Failure to do so can result in
electrical shock, severe personal injury, or death.
Time Delay Control (TDC)
The time delay (TDC) is in the low voltage control
circuit. When the compressor shuts off due to a
power failure or thermostat operation, this control
keeps it off at least 5 minutes which allows the
system pressure to equalize, thus not damaging
the compressor or blowing fuses on start-up.
Remote Outdoor
Temperature Model
(Part No. 47-102709-03)
This is a kit that has a longer remote sensor that
can be installed away from the outdoor unit for
better thermostat temperature display.
Heat Pump Thermostat
Warning Light Kit RXPX-D01
This component senses a compressor lock out
and tells the thermostat service light to come on.
This will let the homeowner know that service is
needed on the system.
NOTE: Warning light on thermostat will come on
during a 5 minute compressor time delay and for
5 seconds during defrost while the compressor is
off. Homeowner should only be concerned if light
stays on for more than 5 minutes.
Low Ambient Control (LAC)
(Part No. RXAD-A08)
This component senses compressor head
pressure and shuts the heat pump fan off when
the head pressure drops to approximately 250
PSIG. This allows the unit to build a sufficient head
pressure at lower outdoor ambient (down to 0
°
F
[-18
°
C]) in order to maintain system balance and
obtain improved capacity. Low ambient control
should be used on all equipment operated below
70
°
F [21
°
C} ambient.
ACCESSORIES
Accessories
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