Control Locations
• 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 LO and LI, 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.
ENGLISH
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
(Molex Housing Spec
• 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.
24
24
Compressor
Heater
Reversing Valve
High Fan
Low Fan
GL GH O W Y R C
(Molex Housing Spec
Note: The following figures show wiring schematics for heat pump and straight cool units with electric heat, respectively.
Wiring Schematic for
Remote Heat Pump
Wiring Schematic for
Straight Cool Unit.
Owner’s Manual 17