PENSOTTI PCI 18, Instruction Manual

Page: 58 / 70

MAINTENANCE INSTRUCTIONS
54
heating
sensor
safety
thermostat
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;
gas valve
Fig 1
Fig 2