22
2000225065A
WALL
MOUNTING JIG
GAS
SERVICE
COCK
Diagram 8.1
CENTRAL
HEATING
RETURN
DOMESTIC
HOT
WATER
OUT
CENTRAL
HEATING
FLOW
DOMESTIC
COLD
WATER
SUPPLY IN
9172
ISOLATING
VALVE
ISOLATING
VALVE
GAS
SUPPLY
PIPE IN
ALL VALVES SHOWN IN
CLOSED POSITION
8 Gas/Water Connections and Boiler Fixing
DOMESTIC
HOT WATER
INLET VALVE
8.1 Gas Connection
Before connection check supply of local gas.
The gas supply can be connected from below or through the
wall at the rear of the boiler, the position is shown on the wall
template.
Refer also to section 1.2.
Fit the sealing washer into the securing nut and make good the
final connection to the gas service cock on the wall mounting jig,
see diagram 8.1.
Do not subject the gas service cock to heat.
Make sure the on /off lever is accessible.
The whole of the gas installation, including the meter, should be
inspected, tested for soundness and purged in accordance with
the current issue of BS6891 and in IE the current edition of
I.S.813 "Domestic Gas Installations".
8.2 Water Connections
Provision is made for the water connections to be made from
below or through an internal wall at the rear of the boiler, the
position is shown on the wall template. Copper tailpieces are
supplied in the wall mounting pack.
Flush out the domestic hot water and the heating systems
before connecting to the boiler.
Make the connections to the domestic hot water and heating
systems by fitting the sealing washers into the securing nuts
and make good the final connection to the isolating valves on
the wall mounting jig, see diagram 8.1.
Do not subject the isolation valves to heat.
Make sure the drain point is accessible.
ON/OFF
LEVER
SAFETY VALVE
DISCHARGE PIPE
CENTRAL
HEATING
FLOW AND
RETURN
GAS
SERVICE
COCK
'B' SEALING WASHERS
AND UNION NUTS
(5 OFF)
'A' SEALING WASHER
AND UNION NUT
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