Bosch Worcester Greenstar CDi Conventional Series Instruction Manual page 38

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INSPECTION AND SERVICE
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INSPECTION AND SERVICE
Setting Boiler to Maximum.
A - On/off button
B-On/off and fault indicator (BLUE)
C - Temperature control
D- Burner indicator (GREEN)
E - Reset button
F - Service button
H- Not used
K- Display
L - Boost button
M- Not used
~
Press and HOLD boost button (L) for 10
seconds and set the heating temperature to
max1mum.
• The boost button will illuminate continually.
• The boiler will stay in this mode for 15
minutes unless the boost button is pressed
again.
2
~
Pull the cover off and connect a manome-
ter to the fan pressure test point.
~After
measurement replace test point
cover.
Pressure will read negative and be greater than:
30CDi- 3.9 mbar
40CDi - 4.4 mbar
• Pressures measured below these figures
will indicate that the heat exchanger will
require cleaning.
• There is a special accessory kit available
specifically designed for cleaning the heat
exchanger. If required order 7 719 001 996.
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 30CDI/40CDI Coc,ectlocal
~ORCESTER
6 720 614 556a (2007/07)
Bosch Group