37
icos system condensing -
Installation and Servicing
SERVICING
61 GAS CONTROL VALVE REPLACEMENT
1.
Refer to Frame 51.
2.
Remove the casing bottom panel. Refer to Frame 43.
3.
Swing the control panel down into the servicing position -
Refer to Frame 45.
4.
Unplug the electrical lead from the gas control valve and
disconnect the earth wire.
5.
Remove the sensing tube from the gas control valve.
6.
Undo the gas inlet pipe union (A) at the gas service cock.
7.
Undo the union nut (B) on the RHS of the gas control valve.
8.
Slacken the screw securing the valve mounting bracket
and withdraw the valve, complete with bracket and inlet
pipe.
9.
Fit the new valve and re-assemble in reverse order.
10.
Check operation of the boiler. Refer to Frame 51.
Securing screw
(slacken do not
remove)
Earth wire
Electrical
lead
Sensing tube
Mounting bracket
Gas inlet pipe
union (A)
Union
nut (B)
2038
62 CONDENSATE 'S' TRAP REPLACEMENT
1.
Refer to Frame 51.
2.
Remove the casing bottom panel - Refer to Frame 43.
3.
Swing the control panel down into the servicing position -
Refer to Frame 45.
4.
Disconnect the condensate drain pipe.
5.
Remove the securing screw and elongated bolt, pull the
trap down and forwards to remove.
6.
Transfer the drain pipe to the new trap and re-assemble in
reverse order.
7.
When re-assembling ensure that the trap is full of water.
8.
Check operation of the boiler. Refer to Frame 51.
Condensate trap
Screw
Ecl 1748
Condensate drain
4
Elongated bolt
SER
VICING
Содержание icos system m3080
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