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COMMISSIONING - Page 8
Fig. 12
Fig. 13
5. SERVICING - Page 8
To ensure continued efficient operation of the appliance, it is recommended that it is checked and serviced as necessary at
regular intervals. The frequency of servicing will depend upon the particular installation conditions and usage, but in general
once per year should be adequate.
IMPORTANT:
It is the law that any service work must be carried out by competent persons such as British Gas or other
c.o.r.g.i. registered personnel.
NOTE:
In hard water areas, scale may build up on the push rod, seals and on the underside of the diaphragm housing.
They may require regular descaling and regreasing.
NOTE: If a gas rate check is required, the gas consumption
after 3 minutes running should be approximately
48.5 1/mm (1.7 ft³/min).
9.
Turn the temperature selector spindle from right to left
('5' to '1'), there will be a noticeable change in the outlet
temperature. Turn the rod back to the right ('5').
10. Turn OFF the hot water outlet and press the OFF button
'
' on the appliance. Remove the pressure gauge and
replace the screw and sealing ring.
11. Relight the pilot. Turn ON a hot water outlet and check
for gas soundness at the pressure test point.
12. Turn OFF the hot water outlet. Slide the bottom cover
onto the appliance. Ensure that the temperature
selector spindle is aligned with the selector knob, push
the bottom cover and with slight adjustment the selector
will positively locate on the spindle.
Explain to the user how to operate the appliance. - see the
"Instructions for Use" booklet.
Show the user the position of the Identification Badge.
HAND OVER THE "INSTRUCTIONS FOR USE" TO THE
USER.
LEAVE THESE "INSTALLATION AND SERVICE"
INSTRUCTIONS WITH THE USER FOR USE ON FUTURE
CALLS.
ADVISE THE USER THAT FOR CONTINUED EFFICIENT
AND SAFE OPERATION OF THE APPLIANCE, IT IS
IMPORTANT THAT SERVICING IS CARRIED OUT AT
INTERVALS RECOMMENDED BY THE LOCAL BRITISH
GAS REGION OR C.O.R.G.I. REGISTERED INSTALLER.
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