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3.5.5 Installation instructions
RECOMMENDATION
!
The safety valve supplied must be mounted on the cold water supply to the heater. See
section 3.5.2.
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If the non-return valve is tight, a reduction valve and expansion vessel should be fitted (to
stop dripping from the safety valve).
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If the maximum water pressure exceeds 6 bar in a 24-hour period, a reduction valve and expansion
vessel should be fitted.
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For installation in a rooms which does not conform to the wetroom standard, a watertight
drip tray with overflow pipe > 18 mm. inside diameter should be fitted under the product, in
addition to an automatic stop cock with sensor. This will prevent possible material damage.
3.5.6 Installation recommendation
!
WARNING
!
The product should 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
!
The product should be placed in a room with a drain, in accordance with the wetroom
standard / latest TEK. Alternatively, fit an automatic stop valve with sensor and overflow
from safety valve to drain.
!
The product should 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 be screwed tight to the wall or a suitable surface regard-
less of the method chosen; use the screw holes (D).
If the product is fitted vertically, the electric box must face upwards. See page 8.
!
The product should be mounted to allow access to the junction box when needed.
