Wiring Of The Thermostat; Wiring Of The Control - Gree VERSATI III Series Service Manual

4.17 Wiring of the Thermostat

Installation of the thermostat is very similar to that of the remote air temperature sensor.
How to Wire Thermostat
(1) Uncover the front cover of indoor unit and open the control box ;
(2) Identify the power specification of the thermostat,it is 230V, find terminal block XT4 as
NO.23~26;
(3) If it is the heating/cooling thermostat, please connect wire as per the figure above.
CAUTION!
① 220V power supply can be provided to the thermostat by the Versati III heat pump.
② Setting temperature by the thermostat(heating or cooling) should be within the temperature
range of the product ;
③ For other constrains, please refer to previous pages about the remote air temperature sensor;
④ Do not connect external electric loads. Wire 220V AC should be used only for the electric
thermostat;
⑤ Never connect external electric loads such as valves, fan coil units, etc. If connected, the
mainboard of the unit can be seriously damaged;
⑥ Installation of the thermostat is very similar to that of the remote air temperature sensor.

4.18 Wiring of the Control

Notes:
① The wired controller can be connected to the terminal of AP1 CN4 with the four-wire
communication cable.
Installation
CN4
AP1
Monobloc
Unit