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4.4
BOILER CONNECTIONS
CAUTION: ISOLATE THE MAINS GAS
SUPPLY BEFORE STARTING ANY WORK
AND OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
NOTICE: DIVERTER VALVE
B If the optional integral diverter valve kit is
required, fit the kit now before hanging
the boiler on the wall frame.
GAS AND WATER CONNECTIONS:
B Remove wall mounting template and secure the wall
mounting frame to the wall with the appropriate
fittings for the boiler weight and wall type.
B System pipes may be run vertically upwards behind
the boiler or below it. See Plumbing Manifold Section
on page 21.
1. CH flow (22mm),
2. Gas inlet (22mm),
3. CH return (22mm),
The bonded washer supplied is for the Gas
connection only.
B Fit sealing washers to service valves before hanging
boiler.
1.
2.
Fig. 30 Sealing washers
NOTICE: Before hanging the boiler onto the
wall mounting frame ensure that the
pressure relief valve connection is in the
DOWN position.
This is located on the right hand side of the
wall frame at the rear.
Apply a smear of silicone lubricant to the
seal to ease connection later.
6 720 644 743a (2010/10)
1. Pull the extended tab/lever forward and down until
Fig. 31 PRV connection in the down position
B Hang the boiler on to the wall mounting frame by the
3.
6720644743-11.1Wo
Fig. 32 Hanging the boiler
there is no further travel.
CAUTION: Caps or plastic strip fitted to
pipes must be removed before hanging the
boiler.
two brackets positioned left and right at the top rear
of the appliance.
Do not lift the appliance by the air gas manifold. There
are two handling holes incorporated into the inner
casing left and right in the lower section of the
appliance.
INSTALLATION
6720644743-16.1Wo
1.
6720643895-22.1Wo
29
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