SERVICE AND SPARES
Greenstar Ri Compact 6 720 646 610 (2013/12)44
6.8.14 HEAT EXCHANGER
HEAT EXCHANGER DISCONNECTION
1.Undo the flow and return connections.
2.Pull both the flow and return pipes away from the heat exchanger.
▶ Replace the fibre washers (1) when replacing the heat exchanger.
Fig. 97 Heat exchanger disconnection
HEAT EXCHANGER REMOVAL
▶ Ensure any electrical wires or connectors are removed.
▶ Remove the Auto air vent (refer to section 6.8.7) to ease removal of
the heat exchanger
1.Unscrew the heat exchanger retaining nut.
2.Remove the heat exchanger retaining nut.
3.Remove the two screws securing the heat exchanger to the air box.
4.Lift the heat exchanger until the lower connection clears the hole in
the air box.
5.Pull the heat exchanger towards you to remove.
▶ Re-assemble in the reverse order.
Fig. 98 Heat exchanger removal
6.8.15 BOILER RETURN SENSOR (NTC)
▶ Disconnect the electrical connectors from the sensor.
▶ Unclip the sensor from the pipe.
Fig. 99 Boiler return sensor
Before removal:
▶ Isolate the electrical power to the boiler.
▶ Drain the boiler.
CAUTION: Component replacement:
▶ After replacement of a gas related component, where
a gasket or seal has been disturbed or replaced, check
for gas tightness using a gas sniffer/analyser.
▶ Also after re-assembly, carry out the following
checks:
Fan pressure in section 6.5,
Flue gas analysis in section 6.6.
6720646608-93.1Wo
1.
1
2.
To Next Page
Loading...
