4
2.0 INSTALLATION - GENERAL REQUIREMENTS:
2.1 National Wiring rules may contain restrictions concerning the installation of
these units in bathrooms.
2.2 The unit should be vertically wall mounted using the wall bracket supplied. The
water connections must always be to the top of the unit.
2.3 Enough space should be left at the top above the unit for pipe connections and
access to the Temperature/Pressure Relief Valve. Refer to Diagram 4 and the
Dimensions Table to determine a suitable position for the heater.
2.4 NOTE: Ensure that the wall can support the full weight of the unit (see TECHNI-
CAL SPECIFICATIONS) and that there are no hidden services (electricity, gas,
or water) below the surface of the wall.
2.5 DO NOT install where the unit may freeze.
2.6 Refer to the section IMPORTANT INSTALLATION POINTS to determine which
valves and accessories are required. Plumb in the valves in the sequence shown in
the relevant Diagrams 1 to 3.
2.7 The water connections are 15mm diameter copper tubes suitable for compression
fittings. Do not use solder joints as this will damage the heater and may prevent
servicing under warranty.
2.8 The INLET is marked BLUE, the OUTLET is marked RED. The WBS Listed
isolating valve (supplied) must be fitted on the cold water supply to the heater.
Several hot outlets can be served.
2.9 Plumbers Paste must not be used as it can impair the operation of the valves.
15 Litre10 LitreDim e n s io n
613457A
728572B
656500C
506350D
Diagram 4
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