Optional Electric Heater - Gree GRS-CQ4.0Pd/NhG-K El Manual Del Propietario

MONOBLOC TYPE

13. Optional Electric Heater

Optional electric heater is allowed for the equipment and controlled in such a way when outdoor temperature is
lower than the set point for startup of the optional electric heater.
Step 1. Optional electric heater installation
Optional electric heater should be installed with monobloc unit in series.Moreover,an accessory called optional
water temperature sensor(5 meter length) shall be installed at the same time.The optional electric heater could be
1group or 2 group, and only works fo space heating.
Monobloc Unit
.
Step 2. Electric wiring work
AC contactor shuould be installed to XT3 KM1(1 group electric heater) or KM1 and KM2(2 group electric heater).
Optional water temperature sensor connecet to AP1 CN16.
Step 3. Wired controller setting
Optional electric heater should be selected "1/2" group if necessary from COMMISION → FUNCTION,then set
3-Way
Valve 2
CN16
AP1
29
Air-to-water Heat Pump
Optional
Water Temp.
Sensor
2-Way
Optional
E-heate r
Valve 1
Mixing
Floor
Valve
Temp.
Water Pump
Heatpump syste m
Water Tank EH
Water Tank
optional water temperature senso r
Tank Temp. of