In the case that a field-supplied room thermostat instead of the inlet thermistor of the indoor unit is used,
connect wires as shown below.
(In Case of “Room
Operation
Cooling Operation:
Compressor is ON by closing terminals
Compressor is OFF by opening terminals
Heating Operation:
Compressor is ON by closing terminals
Compressor is OFF by opening terminals
NOTES:
1. When a field-supplied room thermostat is used, select the specified thermostat as below.
Contactor Load:
DC12V
Differential: more than 1.5 degree
2. Do not use a thermostat utilizing mercury.
3. This function can be used together with “6 .4 .1 Remote Control ON/OFF Function”.
Temperature
Increase
Thermostat
6 .4.2 Control by Field-Supplied Room Thermostat
COM
Terminal board
(Setting indication 0/0)
Thermostat (Cooling)” Input to
and “Room Thermostat (Heating)” Input to
,Setting indication 0
,Setting indication 0)
4. This function can not be used together with outlet air temperature control mode (the optional setting
chapter 6 .3 Table A item E1 (20):01 of the remote control switch .
Wiring Diagram Example
9
5. This function can not be used together with duty signal control mode (the optional setting
chapter 6 .3 Table A item E1 (20):02 of the remote control switch .
