COMMISSIONING
6 720 648 726 (2011/07)
51
10.2.4 CHECKING THE FLUE GAS CONNECTION
Check the following points:
•
Has the prescribed flue gas system been used
(
Æ
section 8.4 "Flue gas connection", page 30)?
•
Have the configuration instructions from the relevant
flue gas system installation instructions been
observed?
•
Ensure all flue system connections made correctly.
Has the annual CO
2
and NO
x
, clearance to
combustable materials been measured? Have the
permissible maximum length limit values from the flue
gas system installation instructions been observed?
10.2.5 CHECKING THE APPLIANCE CONFIGURATION
The burner must only be put into use with the right
injectors (
Æ
Fig. 83 Checking the gas classification label
10.2.6 MEASURING THE GAS INLET PRESSURE
(WORKING PRESSURE)
B
Open at least two thermostatic radiator valves. Do not
switch on the boiler.
B
Push on the control panel to open it (
Æ
fig. 68,
page 40).
B
Switch off the power supply to the heating system
(
Æ
fig. 90).
Fig. 84 Switch off the power supply to the heating system
B
Close the gas valve in a clockwise direction (
Æ
page 50).
B
Turn the vent key through a quarter rotation to undo
the boiler door lock (
Æ
fig. 71, see detailed picture,
page 47).
B
Push the fastener down and open the boiler door
(
Æ
fig. 71, page 47).
Boiler
Type of gas supply
Gas injector
diameter [mm]
GB162-65
Natural gas
H
Venturi
1)
1) Check the gas classification label on the Venturi
LPG
3P
5.3
GB162-80
Natural gas
H
8.4
LPG
3P
4.7
GB162-100
Natural gas
H
8.4
LPG
3P
4.7
Table 14 Gas injector diameter
NOTE:
B
Consult the relevant gas utility company
for the type of gas supply.
B
Check that the actual gas supply is in
accordance with the type of gas supply
specified on the gas classification label
(
Æ
fig. 83).
6 720 648 726-083.1TD
Type of
gas supply
Factory presetting for the gas burner
Natural
gas
H
Delivered ready for operation, adjusted
to Wobbe index 14.1 kWh/m³ (with
reference to 15 °C, 1013 mbar),
applicable to Wobbe index range
12.7 to 15.2 kWh/m³.
Markings on gas classification label:
Configured category: G 20 – 2H.
LPG
3P
After adaptation by a Gas Safe
registered installer, the unit can be run
on LPG.
Markings on gas classification label:
Configured category: G 31 – 3P.
Table 15 Factory presetting for the gas burner
ON
OFF
6 720 648 726-080.1TD
