Commissioning - Bosch Worcester Greenstar CDi Conventional Series Instruction Manual

I
II
A
----11~
0
I
/
D---+~
0
F----H~D
L ----H~D
COMMISSIONING
l E I]
Ell
rn-
c::J•ao
Dd
A - On/off button
E
H
M
\
I
I
I
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
COMMISSIONING
THE COMBUSTION FOR THE APPLIANCE
IS FACTORY SET.
NO ADJUSTMENT IS REQUIRED IF THE
GAS INLET PRESSURE IS CORRECT.
CHECKING GAS INLET PRESSURE:
The inlet pressure to the appliance must be
checked using the following procedure:
SETTING THE BOILER TO MAXIMUM:
~
Press boost button (L) for ten seconds
and set temperature to maximum.
• The boost button will illuminate continually.
MEASURING THE INLET PRESSURE:
2
~
Slacken the screw in the inlet pressure
test point and connect a manometer.
~
Measure the pressure with the boiler
running at maximum.
~
Check the gas supply working pressure at
the gas valve inlet point:
N.G. minimum 18 mbar
L.P.G. 37 mbar
~
The gas rate should be measured at the
gas meter after 10 minutes operation at
maximum. See technical data section at the
front of this manual.
~Ensure
inlet pressure is satisfactory with
all other gas appliances working.
~Replace
controls cover. NOTE: This boiler
is designed with a differential of
2o•c
across the heating system.
IMPORTANT: Do not continue
commissioning until the correct
gas inlet pressure is achieved.
~
If pressure is satisfactory press the boost
button (L) again and the boiler will return to
normal operation.
• If left in the central heating boost mode the
control will return to normal operation after
15 minutes.
~
Re-seal the screw in the gas inlet pressure
test point.
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 30CDI/40CDI Coc,ectlocal
~ORCESTER
6 720 614 556a (2007/07)
Bosch Group