24V Thermostat Interface
Thermostat Interface
Installation Manual
10-EN
Single-stage Cooling and Two-stage Heating
2
Settings
1. Disconnect any power source before servicing or changing the DIP switches.
2. Remove four screws on the front of the case.
3. Configure SW01 and SW02 based on the following adjustable items. See the diagram below for locations of SW01 and SW02.
4. Replace the four screws removed in step 2 to the original positions.
Fan speed (Fan mode) settings
SW01-1, SW01-2: The Indoor U
nit’s fan speed during Fan mode operation can be set according to the following table.
If G1/G2/G3 input is used, the fan speed will be determined by G1/G2/G3 signal from the Thermostat.
SW01-1
SW01-2
Operation
OFF
OFF
Medium fan speed (Default)
OFF
ON
Low fan speed
ON
OFF
High fan speed
ON
ON
Do not use, reserved
SW02 (8 bits)
SW01 (8 bits)
A
B
Transformer
24VAC
Indoor Unit
A
B
Transformer:
Field procured
Thermostat
72
24
V
A
C
F
an
Remote Controller (Optional)
24V Thermostat
Interface
TCB-IFTH1GUL
Installation use only
Set the Remote Controller
as “Follower remote control”.
For use only on
24 volt circuits
