6. Multiple Heat Pumps
For large pools, it is possible to run two heat pumps together
or even larger pools can use four heat pumps
Multiple heat pumps can be plumbed in series or in parallel. Please contact us for advice on the best method to use for your situation.
7. Indoor Heat Pump Installations
Where possible a heat pump should always be installed outdoors as they need a constant supply of fresh air to operate and extract the heat from. However it is possible to install some models inside the plant room. For vertical fan models, ducting can be constructed to to vent the expelled air out through the wall of the building.
For horizontal fan models, they can be placed up against the wall and a hole cut through the wall in line with the fan to allow the expelled air to escape to the outside.
Recirculation of the expelled air back into the heat pump must be avoided.
For indoor installations, it is also necessary to allow air to enter the pump house. A vented door or grille should be installed at the opposite side of the pump house which is sufficiently large to allow fresh air to enter the room at the same rate that it is leaving the room.
For indoor pools, placing the heat pump inside the pool building can help to dehumidify the air by drawing fresh air into the pool room and using the heat pump to expel the humid air.
The disadvantage of this arrangement is that the air temperature inside the pool room will soon be reduced to the same as the outside air temperature. For indoor pools, this may not be desirable and some sort of air heating may then be required negating the benefit of locating the heat pump indoors.
Ducting of a vertical fan heat pump to outdoors Installation of a horizontal fan heat pump in a plant room
Remark：
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