Carrying Out A Leakage Test In Operating Conditions - Worcester GB162-65 Installation And Servicing Instruction

COMMISSIONING
B Press the "Chimney sweep" button (
until the dot disappears from the display.
B Switch off the heating system by pressing the mains
switch of the BC10 basic controller (
B Close the gas valve (
B Remove the measuring devices.
B Tighten the screw in the burner pressure measuring
nipple.
B Slowly open the gas valve by pushing on the gas valve
and turning it ¼ rotation in an anticlockwise direction
( fig. 79, page 49).
B Switch on the heating system by pressing the mains
switch of the BC10 basic controller (
B Press and hold the "Chimney sweep" button
( fig. 90, [3]) (approx. 2 seconds), until the dot in
the right-hand bottom corner of the display
( fig. 90, [9]) appears. See also table 10, "Flue gas
test", page 42.
B After the "Burner" LED (
for one minute until the boiler is burning at full load.
DANGER: Danger of fatal accident from
explosive fumes.
B Check the testing nipples used for gas
tightness.
B Only use approved leak detection
products to locate leaks.
WARNING:
Damage to the installation due to short
circuits.
B Cover any hazardous locations prior to
locating the leaks.
B Do not spray the leak detection product
on cable runs, plugs or electrical wiring.
Do not let it drip onto them either.
B Press the "Chimney sweep" button (
clear the reading. See also table 10, "Flue gas test",
page 42.
B Check that the boiler performance is still at the
required value. See table 13 „"Settings", page 45.
54
fig. 86, [3])
fig. 90, [1]).
fig. 81, page 50).
fig. 90, [1]).
fig. 90, [6]) has lit up wait
fig. 90, [3]) to
10.2.8 CARRYING OUT A LEAKAGE TEST IN
OPERATING CONDITIONS
DANGER: Danger of fatal accident from
explosive fumes.
Pipes and fittings may leak after
commissioning activities have been carried
out.
B Only use approved leak detection
products to locate leaks.
B Press and hold the "Chimney sweep" button [3]
(approx. 2 seconds), until the dot in the right-hand
bottom corner of the display [9] appears. See also
table 10, "Flue gas test", page 42.
B After the "Burner" LED [6] has lit up wait for one
minute until the boiler is burning at full load.
B Use a foaming product to check all sealing locations
in the total gas circuit of the burner while the burner
is active.
WARNING:
Damage to the installation due to short
circuits.
B Cover any hazardous locations prior to
locating the leaks.
B Do not spray the leak detection product
on cable runs, plugs or electrical wiring.
Do not let it drip onto them either.
B Press the "Chimney sweep" button [3] to clear the
reading. See also table 10, "Flue gas test", page 42.
9
10
888
11
2
1
1
Fig. 90 BC10 basic controller
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6
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