Gas Connection - Potterton Mersey Super Installation And Service Instructions Manual

Gas fired water heater
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INSTALLATION - Page 5
7.
Fit the flue terminal sealing strip (packed separately in
the carton) into the recess around the flue aperture in
the back of the appliance.
8.
Lift the appliance into position, locating the flue outlet
into the circular duct on the flue terminal.
9.
Secure with the appropriate nuts and washers.
B.

GAS CONNECTION

IMPORTANT: Blow out all foreign matter from the supply
pipe before connecting to the gas service cock.
15mm copper pipe to BS 2871 may be used for a simple
supply not exceeding 3 metres (10ft) from the gas meter.
Where the installation contains many bends or the length is
in excess of 3 metres (l0ft), then the use of 22mm copper
pipe is necessary.
1.
Assemble the filter, 'O' ring and inlet tail to the gas inlet.
2.
Depending on whether the main supply pipe is to be
routed vertically or horizontally to the appliance,
connect the gas service cock (stamped 'G) either
directly to the gas inlet tail or within the supply pipe.
NOTE: The service cock should be as close to the
appliance as possible and the ON/OFF screw in an
accessible position.
3.
Ensure that the gas supply is turned OFF at the mains.
4.
Connect to the gas supply.
5.
Turn ON the gas supply and the gas service cock then
test for gas soundness (BS 6891).
IMPORTANT: DO NOT TRY TO LIGHT THE APPLIANCE
AT THIS STAGE. TO ALLOW THE MAIN BURNER TO
IGNITE WITHOUT THE OUTER CASE SECURED IN
POSITION IS A HAZARD.
Fig. 5
Gas Inlet
Gas Filter
'O' R ing
Gas Inlet T ail
MY 99022A
Fig. 6
OFF
On / Off S crew
Gas S ervice Cock

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