Air Source Heat Pump Water Heater
25
7 Unit specification
7.1 Hot water generation capacity
During heating, the unit will absorb the heat from outdoor air constantly and then
release the heat to water for heating the water inside the water tank. Once the
outdoor temperature is decreased, the heating capacity will also be decreased.
Please refer to the below curve for reference.
Fig. 7-1 Correction diagram of water generation capacity for
GRS-2.4/D270ANbA-K
If pressing “RAPID” button on wired controller, the 1500W accessorial electric
heating will be also started up; Compared with heating only with heat pump, water
generation capacity will be increased 32L/h after starting up the accessorial electric
heating.
7.2 Operation specification
(1) Defrosting
① If there’s defrosting phenomenon during hot water generation process, the
unit will defrost automatically in order to improve the heating effect;
② During defrosting running, the fan will stop operation;
③ If defrosting is activated under high temperature environment （＞10℃）and
the unit operates abnormally, please ask for maintenance.
(2) Turn on the unit again when the unit is stopped for a long time
If turn on the unit again when the unit stops operation for a long time (including
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