INSTALLATION
6 720 803 800 (2012/11)
22
Fig. 28 PRV pipe connection
Once the wall frame has been mounted the PRV discharge pipe can be
fitted.
Fig. 29 PRV elbow fitting
▶ Connect the PRV discharge pipe to the pre-plumbing connector.
▶ The discharge pipe can be routed as required.
▶ The pre-plumbing connecter must be removed before the boiler is
hung on the wall frame.
INTEGRAL FILLING LINK
Fitting the Filling Link assembly at this stage will be easier than when the
boiler is hung on the wall frame.
▶ Close the isolating valves on the DHW inlet and CH return
connections.
▶ Unscrew the blanking plugs from the DHW inlet and CH return
connections.
▶ Place the filter inside the inlet of the Filling link, ensuring that the
mesh is inside the Filling link assembly.
▶ Fit the Filling link assembly onto the DHW inlet and CH return
connections, refer to figure 30
Fig. 30 Fitting the Filling link
[1]
CH return connection
[2]
Blanking plugs x 2
[3]
Filling link assembly
[4]
Filling key
[5]
White control screw
[6]
Filter
[7]
M4 screws and washers x 4
[8]
DHW inlet connection
▶ Ensure that the Filling link is pushed in fully to the locating tabs on
both sides of the assembly.
▶ Fit an M4 screw and washer in at least two places on each
connections.
▶ Ensure that the white plastic Control Screw [5] is turned clockwise
into the fully closed position.
▶ Open the isolating valves on the DHW inlet and CH return connections.
Fig. 31 Location tabs
[1]
Locating tabs
GAS AND WATER CONNECTIONS
Fit the Integral Filling Link, supplied with the boiler,
before hanging the boiler on the frame.
There may be mains and system water pressure behind
the blanking plugs.
1.
6720646608-111.2Wo
6720646608-125.1Wo
Do not insert Filling key [4] at this stage.
WARNING:
Bonded washer for gas (3)
▶ The bonded washer must be used on the gas pipe
isolating valve connection.
1
3
4
5
6
7
8
2
6720646608-127.1W
o
6720646608-128.1Wo
1
1
