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• REMOTE/LOCAL CONTROL
When remote/local switch #1 is on, it allow the unit to operate by the Remote Wall Thermostat.
The unit control by knobs are not available.
• ENERGY SAVER
The energy saver switch #2 is on. This switch is set at cycle fan to provide continuous fan operation in cool
or heat modes. When the switch is off the continuous fan allows continuous circulation of room air and
make the more balanced temperature of the room. When the switch is on, the fan is on or off with the
compressor or with the heater.
• FRONT DESK CONTROL
When the pair wire is connected to the connector FD2 and FD1, the unit can be turned ON or OFF with a
switch located at the Front Desk Control panel. When the front desk switch is ON, the fan operates
according to the setting without working compressor and heater. When the front desk switch is OFF, the unit
can operate according to the setting of controls.
• REMOTE WALL THERMOSTAT
When the wires are connected, the unit will be controlled
by a remote wall thermostat.
The thermostat connections supply the 24 Volt AC. When
you install the digital/electronic thermostat, you must set it
to 24 Volt AC. See the installation Instruction in this manual
for the Remote Wall Thermostat.
Wiring Schematic for
Straight Cool Unit.
Wiring Schematic for
Remote Heat Pump
Note: The following figures show wiring
schematics for heat pump and straight cool
units with electric heat, respectively.
GL GH O W Y R C
Low Fan
High Fan
Reversing Valve
Heater
Compressor
24 Volt-L
24 Volt-N
Wire # AWG Maximum Length
#22 600 ft (180 m)
#20 900 ft (270 m)
#18 1500 ft (450 m)
#16 2000 ft (610 m)
FD2 FD1 DR2 DR1 MS2 MS1
Front Desk Control
Front Desk Control
Door Switch
Door Switch
Motion Sensor
Motion Sensor
(Molex Housing Spec 396-06V)
(Molex Housing Spec 396-07V)
Room Air Conditioner 17
Control Locations
ENGLISH
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