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3.5.5 Installation instructions
RECOMMENDATION
!
The safety valve supplied must be fitted to the incoming cold water supply pipe. See sec-
tion 3.5.2.
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If a non-return valve is fitted a reduction valve and expansion vessel shall be fitted to avoid
dripping from the safety valve overflow.
-
If the maximum water pressure exceeds 6 bar in a 24-hour period, a reduction valve and expansion
vessel shall be fitted.
3.5.6 Installation recommendation
!
WARNING
!
The product shall be filled with water before the power is switched on.
!
Any overflow pipe from the safety valve MUST be >1/2 mm inside, clear, undamaged and
frost-free with a fall to the drain.
!
CAUTION
!
Fixed electric fittings shall be used for installation in new homes or when changing an
existing electrical setup in accordance with regulations.
!
The product shall be properly aligned vertically and horizontally, on a wall or floor suitable for
the total weight of the product when in operation. See type plate.
!
If the product is fitted horizontally, the pipe connectors must point straight up.
It is recommended that the product is fastened to a wall or suitable surface regardless of
the method chosen; use the screw holes D, see page 7.
If the product is fitted vertically, the electric box must face upwards. See illustration below.
!
The product shall be mounted in a way that allows access to the junction box when needed.
3.5.7 Installation positions
√
√
√
X
X
X
X
X