1) Loosen and remove two screws that secure the product.
2) Position the rear case to the direction towards to the connector for convenient cable
arrangement.
3) Secure the rear case on the installation place using the
supplied fixing screws.
4) Remove knock out shapes on the rear case (4-sided)
according to the connector’s size and direction.
Installation manual
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8
Dry contact for thermostat
ENGLISH
Setting and using method
Setting and using method
1. Power supply and indoor unit connection
After change any Dry contact setting, then you must press RESET switch to reflect the setting.
n
When using the Dry contact for communication independently
Indoor unit
PCB
CHANGEOVER_SW
RESET_SW
CN_Ther/Oper
CN_MODE
CN_WIND
CN_INDOOR
DISPLAY_LED
TEMP_SW
SETTING_SW
CN_OUT
CN_PI485
Installation Method
5) Connect the connection wires properly according to the connection method.
(Refer to the instruction and set-up description)
6) Set the switch according to the setting method. (Refer to the instruction and set-up description)
7) Tighten the fixing screws on the top and bottom of the case.
1. Install the product on flat surface and install anchoring screws at more than 2 places. Otherwise
the central controller may not be anchored properly.
2. Do not tighten anchoring screws too tightly. It may cause deformation of the case.
3. Do not deform the case at random. It may cause malfunction of the central controller.
CAUTION
Installation
