PENSOTTI PCH 50B-H, Инструкция по эксплуатации

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MAINTENANCE INSTRUCTIONS
63
Safety thermostat (see fig. 1)
•
Disconnect the connecting wire;
•
Unscrew the fixing screws and remove the
thermostat;
•
Replace the thermostat and re-assemble
the components following the above
procedure in reverse order;
•
Switch on the electricity, water and gas
supplies and restart the appliance.
Heating sensor (see fig. 1)
•
Un-Plug the connecting wire;
•
Replace the sensor and re-assemble the
components following the above
procedure in reverse order;
•
Switch on the electricity, water and gas
supplies, open the shut-off valves and fill
the central heating circuit. Then restart the
appliance, remembering to discharge any air that may be trapped in the system;
Gas valve (see fig. 2)
•
Unscrew the screws connecting the gas
valve to the venturi.
•
Disconnect the gas feed pipe and valve ring-
nut at the bottom of the room-sealed chamber.
•
Remove the flanged elbow coupling of the
existing valve and fit it to the new valve; also
fit a new cork washer and a new fiber gasket.
•
Replace the gas valve and re-assemble the
components following the above procedure in
reverse order.
•
Replace all the gas seals.
•
Fully tighten the gas connections.
•
Switch on the electricity, water and gas
supplies and check for any gas leaks using a
soapy solution or leak detector spray;
Fig. 1
safety thermostat
heating sensor
Fig. 2
gas valve