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. Fixing screws and rawplugs are
supplied for this purpose. Refer to Figure 4 for position of fixing holes. 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 Figure 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 TECHNICAL 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 ( Figures 1, 2, and 3).
2.7
The inlet water connection is a 15mm diameter copper tube suitable for
compression fittings.
The outlet water connection is made to the 15mm commpression fitting located on
the factory fitted temperature and pressure relieve valve.
A WRAS listed isolating valve (not supplied) must be fitted on the cold water
supply to the heater. Several hot outlets can be served.
2.8
Do not use solder joints as this will damage the heater and may prevent servicing
under warranty.
2.9
Plumbers Paste must not be used as it can impair the operation of the valves.
240
120
50
240
100
A
D
C
B
2 KEYHOLE
FIXING SLOTS
6mm WIDE
DIMENSION 10 LITRE 15 LITRE
A 442mm 598mm
B 478mm 634mm
C 492mm 648mm
D 322mm 478mm
FIGURE 4:
DIMENSIONS
