BOILER CONNECTIONS
6 720 645 222a (2012/05)
8
3.2
GAS AND WATER CONNECTIONS
B
Remove template and secure the wall mounting frame
to the wall with the fittings supplied.
B
System pipes may be run vertically upwards behind
the boiler or below it.
See Plumbing Manifold Section on page 6.
1. CH and cylinder flow (22mm),
2. Gas inlet (22mm),
3. Cylinder return(15mm),
4. CH return (22mm)
If using the optional filling loop: 7 716 192 281 (not
supplied with the boiler) fit it before hanging the boiler
on the wall frame.
B
Fit sealing washers to service valves before hanging
boiler.
Fig. 4
Sealing washers
1. Pull the extended tab/lever forward and down until
there is no further travel.
Fig. 5
PRV connection in the down position
B
Hang the boiler on to the wall mounting frame by the
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.
Fig. 6
Hanging the boiler
CAUTION:
B
ISOLATE THE MAINS GAS SUPPLY
BEFORE STARTING ANY WORK AND
OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
The bonded washer supplied is for the Gas
connection only.
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.
1.
2.
3.
4.
6720645222-04.1Wo
CAUTION:
Caps or plastic strip fitted to
pipes must be removed before hanging the
boiler.
NOTICE:
The pressure relief connector
must be repositioned after the boiler has
been correctly mounted to the wall
mounting frame.
6720643895-1
16.1W
o
1.
6720643895-22.1Wo
