Gree Versati GRS-CQ4.0Pd/NhH-E Owner's Manual page 32

Air-to-water Heat Pump Split Versati
Step 1. Other thermal installation
Indoor Unit
Optional
T-water out
T-liquid pipe
E-heater
PE
T-wateri n
Water
T-gas pipe PE
pump
Step 2. Electric wiring work
Other thermal L and N connect to XT2~4,5.
Step 3. Wired controller setting
Other thermal should be selected "with" if necessarily from COMMISION → FUNCTION,then set switch on
(outdoor)temperature and control logic(1/2/3).
Safety
vavle
T-optional 3-way
water sensor
valve
Heating
DHW
Flow Expansion
switch vessel
Other
thermal
3-Way
Valve 2
XT2
4 5
Other
Thermal
28
SPLIT
2-Way
Valve 1
Mixing
Floor
Valve
Temp.
Water Pump
Tank Temp.o f
Heatpump
system
WaterT ankE H
WaterT ank
TYPE