Other Auxiliary Heat Sources - Gree Versati III GRS-CQ8.0Pd/NhH-M Owner's Manual

Air-to-water Heat Pump Split Versati

13. Other Auxiliary Heat Sources

Other thermal is allowed for the equipment and controlled in such a way that the mainboard will output 230V
when outdoor temperature is lower than the set point for startup of the aother thermaluxiliary heat source.
Note: Other thermal and Optional Electric Heater CANNOT be installed at the same time.
Step 1. Other thermal installation
Optional
T-water out
T-liquid pipe E-heater
PE
T-water in
Water
PE
T-gas pipe
pump
Step 2. Electric wiring work
Other thermal L and N connect to XT3~1,2
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).
Indoor Unit
Safety
vavle
T-optional 3-way
water sensor
valve
Heating
DHW
Flow Expansion
switch vessel
Other
thermal
3-way
vave 2
XT3
Other
thermal
28
SPLIT TYPE
2-way
valve 1
Mixing
Floor temp
valve
sensor
Water pump
Tank temp sensor
Electric heater
Water tank