AIR-TO-WATER HEAT PUMP INSTALLATION
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(1). Water Volume and Pump capacity
Note:
① The water pump is three speed-adjustable(maximum/medium/minimum), In most
case, we strongly recommended to set speed as maximum;
② If the noise of the pump is not acceptable, we recommended change the default
speed to medium speed, but to secure enough flow rate, do not set water speed
as “Min”, it can lead unexpected flow rate error “EC”;
(2). Water Volume and Expansion Vessel Pressure
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