ELECTRICAL WIRING
Connection method diers by the type of thermostat controller.
z
Two-stage Cooling and Heating
Example: Remote controller for 3-wire type
(Locally purchased)
AC 208/230 V
AC 24 V
AC 24 V
Max.
16 units
Indoor unit
Thermostat convertor
Thermostat
controller
Transformer*
Install the transformer, as necessary, per building code and manufacturer’s
installation instructions. Maximum Power: 5.0 VA
*
z
Single-stage Cooling and Heating
Example: Remote controller for 2-wire type
(Locally purchased)
Max.
16 units
Indoor unit
Thermostat convertor
Thermostat
controller
Transformer*
AC 208/230 V
AC 24 V
AC 24 V
Install the transformer, as necessary, per building code and manufacturer’s
installation instructions. Maximum Power: 5.0 VA
*
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CONTROL
SYSTEM
CONTROL
SYSTEM