Installation Manual
13
Domestic hot water tank
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Domestic hot water tank
● The domestic hot water tank stores thermal heat generated by heat pump.
Expansion tank
● The expansion tank is a device that absorbs the volume expansion of water
consistent with the increase of water temperature.
● Valves should not be used when installing an expansion tank, and insulation
should be provided to prevent freezing and bursting.
Freeze and burst protection
● When the flow temperature goes below 6
℃
, the circulation pump (heating
pump, domestic hot water pump) is automatically activated and circulates
water in the piping to prevent damage to the boiler caused by freezing.
Water return pipe
Hot water return
Water supply pipe
Domestic hot water tank temperature
sensor, low water level sensor
Hot water supply
Pressure relief pipe
Expansion tank
