Flue Overheat Thermostat (With Grommet); Lowering The Boiler Controls To The Service Position - Bosch WORCESTER GREENSTAR Ri ErP Series Installation, Commissioning And Servicing Instructions

SERVICE AND SPARES
7.8.4 FLUE OVERHEAT THERMOSTAT
(WITH GROMMET)
To remove and replace the thermostat either:
▶ Using a small terminal screwdriver, prise the thermostat and grommet
from the plastic housing.
Take care not to damage the plastic housing.
-or-
1. Release the flue connection from the sump.
2. Push the flue tube up.
1.
2.
Fig. 69 Lower exhaust section
▶ Remove electrical connections.
1. Push the flue limit thermostat in from the sump.
▶ Retrieve the thermostat from the sump well.
1.
Fig. 70 Remove thermostat
To replace, push the thermostat and new grommet gently back into the
opening until contact with the locating ridge is felt.
42
7.8.5 LOWERING THE BOILER CONTROLS TO THE SERVICE
POSITION:
1. Remove two screws securing control.
2. Pull the control forward.
3. Lower the control to align the slots at the top of the control with the
lugs on the boiler framework.
4. Hang control on two lugs on boiler framework.
2.
1.
3.
4.
Fig. 71 Control panel into service position
Greenstar Ri
1.
4.
6720644744-36.1Wo
ErP - 6 720 813 283 (2016/07)