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3.1 LOCATION
3.1.1 National Wiring rules may contain restrictions concerning the installation of these
units in bathrooms.
3.1.2 The water heater should be vertically wall mounted using the screws and plugs
provided. Position the bottom two screws as shown in Figure 02 above with heads
3mm from the wall.
Hang the heater and secure with the top screw, alternatively the heater can be oor
mounted on its base with the water connections at the top.
3.1.3 Enough space should be left at the top above the unit for pipe connections and
access to the temperature and pressure relief valve. Refer to Figure 02 above and
the dimensions table to determine a suitable position for the heater.
3.1.4 NOTE: Ensure that the wall can support the full weight of the unit (see
TECHNICAL SPECIFICATIONS, p3) and that there are no hidden services
(electricity, gas, or water) below the surface of the wall.
3.1.5 DO NOT install the water heater where it may freeze.
3.2 PLUMBING
3.2.1 The Aqualine is an unvented water heater which can supply multiple outlets.
It is supplied with an internally tted TMV2 thermostatic blending valve and
temperature and pressure relief valve (see Figure 01 p3).
3.2.2 The temperature setting of the thermostat (6-66°C) must be above the set
temperature on the Thermostatic Blending Valve (35-60°C). Where possible the
thermostat setting should be at least 15°C above the thermostatic blending valve
setting; the higher the temperature of the stored water, the larger the volume of
‘useable water’ available at the required discharge temperature.3.2.3 T h e
temperature and pressure relief valve is tted to give the user a higher level of
safety. A discharge outlet pipe for the temperature and pressure relief valve and
tundish is supplied and must be connected as detailed below.
3.2.4 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 03 to 05, p6).
3.2.5 Both inlet and outlet pipes are clearly labelled. The pipes are 15mm copper tube
and are suitable for compression ttings.
The WRAS listed isolating valve (supplied) must be tted on the cold water supply
to the heater. Several hot outlets can be served.
3.2.6 Do not use solder joints as this will damage the heater and may prevent servicing
under warranty.
3.2.7 Plumbers Paste must not be used as it can impair the operation of the valves.
3.3 DISCHARGE
3.3.1 The Aqualine unvented water heater MUST be tted with a pressure (expansion)
relief valve. The factory tted temperature and pressure relief valve can full this
function.
3.0 INSTALLATION