Check The Gas Leakage Control Vps - DeDietrich C 330 ECO Installation, User And Service Manual

C 330 ECO - C 630 ECO
1
P1
3
4
10
5/6/7/8/9
3
6
8
(+)
X mbar
30 sec
31/05/2012 - 7600532-01
7.2.11.
A - Leak test
1. Switch the boiler off.
2. Close the boiler gas cock.
2
3. Remove the pressure from the gas pipe by unscrewing the screw
4. As soon as the gas pipe is pressure-free, retighten the screw.
5. Open the screw in measuring point 3 of the gas block (5/6/7/8/9
6. Take a large plastic syringe and connect a T piece with a hose
7. Connect one end of the T piece to measuring point 3 of the gas
8. Connect the other end of the T piece to a pressure gauge.
9. Push the syringe in very slowly until the pressure gauge indicates
10.Check the measured pressure for about 30 seconds. If pressure
11.Replace the gas block or the VPS if necessary.
5
2 P
7
3
9
SLOW
≥ 0.5 x
≤ 0.5 x
T005263-C

Check the gas leakage control VPS

in measuring point P1.
sections) or the measurement point 3 of the VPS (10 sections).
connected to the mouth.
block or the measurement point 3 of the VPS.
the minimum inlet gas pressure value.
decreases by more than half, this indicates a gas leak.
7. Checking and maintenance
67