REGULATION INSTRUCTIONS
20
3.3 Installing the water heater
■ The appliance must be installed
exclusively on a flat vertical solid wall
capable of supporting its weight.
■ The water heater should be fitted within the
building unless otherwise protected by a
suitable enclosure i.e. garage or outhouse.
(the water heater may be fitted inside a
cupboard).
■ If the water heater is sited in an unheated
enclosure then it is recommended to leave
the power on to give frost protection (frost
protection is active even with On/Off switch
in Off position).
■ If a water heater is installed in a closed water
supply system, such as one having a back
flow preventer in the cold water supply line,
means shall be provided to control thermal
expansion. Contact the water supplier or
local plumbing inspector on how to control
this situation.
In order to allow access to the interior of the
water heater for maintenance purposes, it is
important that the necessary clearances
indicated in figure 1 are respected. To make the
installation easier, the water heater is supplied
with a template to enable the pipe connections to
be positioned prior to fixing the appliance to the
wall.
To install the water heater, proceed as follows
(see fig. 2):
a. Use a spirit level (of not less than 1” long) to
mark a horizontal line on the wall where the
water heater is to be fitted.
b. Position the top of the template along the line
drawn with the level, respecting the
distances indicated. Then mark the centres
of the positions of the two wall-plugs or
anchors. Finally, mark the positions of the
water and gas pipes.
c. Remove the template and install the supplied
bracket securely to the wall. Once the
heater is securely installed, connect the
domestic hot and cold water pipes, the gas
supply pipe and the central heating pipes
using the fittings supplied with the water
heater.
d. Clearance to Combustibles
Front - 0 inches
Sides - 0 inches
Rear - 0 inches
Top - 0 inches from the jacket cover
MINIMUM DISTANCES [INCHES]
H
A
X
L
Y
X Y L H
24
16
00
B
A B
18 12
FLOWMAX - 90
Model
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