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12. Other Thermal
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
Other thermal should be installed with monobloc unit parallel. Moreover, an accessory called optional water
temperature sensor(5 meter length) shall be installed at the same time.
Monobloc Unit
Step 2. Electric wiring work
Other thermal L and N connect to XT3~21,22.
Optional water temperature sensor connecet to AP1 CN16.
Other
Thermal
3-Way
Valve 2
21
22
L
N
Other Thermal
CN16
AP1
30
Optional
Water Temp.
Sensor
2-Way
Valve 1
Mixing
Floor
Valve
Temp.
Water Pump
Water Tank
optional water temperature senso r
Tank Temp. of
Heat pump system
Water Tank EH
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