26
We reserve the right to make any changes due to technical modifications.
Commissioning and maintenance instructions Logano GE434 Gas-fired special boiler • Issue 02/2003
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
Heating system start-up
6
6.1.9 Checking for leaks during operation
!
Test all sealing points on the entire burner gas route
with a foaming leak detector agent, whilst the burner
operates, e.g.:
–
test port,
–
nozzles,
–
plugs, etc.
The agent must be approved for gas leak testing.
CAUTION!
SYSTEM DAMAGE
through short circuits.
!
Cover areas at risk before searching for
leaks.
!
Never apply leak detector spray to
cableways, plugs or electrical leads.
Never let any spray drop down onto
such areas.
Country
Gas type
Supply pressure
Min.
rated
Max.
mbar
mbar
mbar
AT, BA, BE, BG, BR, BY, CH,
CN, CZ, DE, DK, EE, ES, FI,
FR, GB, GR, HR, IE, IT, LU,
PL, PT, RO, RU, SE, SI, SK,
TR, UA
Natural gas H
(G20)
Natural gas L
(G25)
Natural gas
GZ 50
16
*
20
25
NL
Natural gas L (G25)
20
*
25
30
HU
Natural gas H
(G20)
Natural gas S
(G25.1)
20
*
25
33
AT, BY, CH, CN, CZ, DE, ES,
GB, HU, HR, IE, LU, NL, PL,
PT, RO, RU, SI, SK, TR, UA
LPG P
Propane (G31)
42,5
50
57,5
CZ, ES, FR, IE, PL, PT, SK
LPG P
Propane (G31)
25
37
45
BA, BG, GR, HR, LU, TR
LPG B/P
(G30)
42,5
50
57,5
Tab. 13 Gas types and supply pressures
*
When the auxiliary gas pressure switch is installed, the system may be operated for short periods at a max. of 10 mbar.
