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4.5.3 Installation of the heat pump
Ideally the heat pump should be placed next to an external wall allowing easy access to the externally
mounted ground array manifold. Any pipes internal to the building must be insulated with vapour barrier
insulation such as Armaflex. It is not recommended that the ground array manifold is installed within a
building due to condensation and difficulty in lagging the manifold to overcome this.
It is possible to place manifolds in underground chambers, however due to a possible flooding risk and
easier access Vent-Axia recommend that the manifold is placed on an external wall.
Fig 10 Manifold Slinky connections
Vent-Axia
Fig 9 Positioning of Heat Pump and Manifold
External Internal
Optional Expansion
Vessel
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