Duratech Type Heat Pump Required Clearances
Pool heat pumps should wherever possible be installed outdoors in order to have a good supply of fresh air. However some can be installed inside a pump house - see the section below.
Try to locate the heat pump close to the pool pump to minimise the friction in the pipes. If your pipe run is too long, you may have an insufficient water flow rate through the heat pump and may need to upgrade your pool pump or use larger diameter pipes to and from the heat pump to reduce friction in the pipes and maintain a good water flow rate.
Most heat pumps state the nominal water flow required on their specification charts. If the water flow through the heat pump is too low, then the heat pump may overheat and the safety mechanism will turn the unit off.
Not Like This - Hall of Shame !
Some examples of incorrect swimming pool heat pump installations.
Insufficient Clearances on 3-sides of heat pump Insufficient clearances for air-flow
Insufficient clearance at front - should be at least 2.5m. Insufficient clearance - Heat pump blowing onto shed
Heat pump is wrong way round !
Insufficient clearance - should be at least 2.5m at Installed under decking. Risk of air recirculation and insufficient air flow
front and 300mm at back
Heat pump installed inside a shed but the wrong way round ! Should blow to the outside, not inside the shed. Also fan blowing onto an obstruction
2. Water Flow Rate
Most of our pool heat pumps state the required water flow rate on their specifications table. If the water flow rate is too low, then the water in the heat pump will overheat and the heat pump will switch off.
Check the water flow rate from your pool pump and through your filter to ensure that it is high enough for your pool heat pump.
Note that there is a maximum possible flow through each size of pool pipe regardless of the power of your pump. For larger heat pumps it may not be possible to achieve sufficient water flow through small pipes (eg 1.5" pipes). Please contact us for advice on this.
We sell water flow meters that will show you the flow rate through your pipes.
You should also regularly backwash your pool filter to ensure that the water flow rate remains at an adequate level.
Remark：
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