Replacement Of Parts - Worcester GREENSTAR 30CDi Installation, Commissioning And Servicing Instructions

6.3

REPLACEMENT OF PARTS

CAUTION: Isolate the mains gas supply before starting
any work and observe all relevant safety precautions.
NOTICE: After replacement of any components always
check for gas tightness where relevant and carry out
functional checks as described in commissioning. Any
O-rings or gaskets that are disturbed during servicing
must be replaced.
Removing outer case
1. Remove bottom panel by pulling it forward and off.
2. Loosen but do not remove the two screws (A) securing boiler casing at
the bottom of the appliance.
3. Pull upwards to release the clip (B) on top of the boiler.
4. Pull case forward and remove.
2.
A
Fig. 57 Removing outer case
Adjusting boiler control to service position.
1. Pull down the catch securing the control panel.
2. Gently pull forward until it comes to rest in service position.
6 720 806 548 (2013/02)
Fig. 58 Service position
Primary sensor
1.
▶ Press retaining clip on plastic moulding and pull upwards until clear of
pocket in heat exchanger.
▶ Separate sensor from connector, coat new sensor with heat
conductive paste and replace.
Overheat thermostat
▶ Remove two electrical connectors from thermostat.
▶ Unscrew the sensor.
Flue limit thermostat
▶ Remove electrical connections.
▶ Unscrew thermostat from flue.
3.
B
4.
1.
2.
SERVICING AND SPARES
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