12
x
Technical data
12.2 Gas type, connection pressures
12.3 Tightening torque
Gas type
Nominal pressure in mbar
Min. inlet pressure in mbar
Max. inlet pressure in mbar
Natural gas E/H
20
17
25
Natural gas LL/L
20
18
25
Liquefied petroleum gas
50
42.5
57.5
Tab. 12-6
Permitted gas inlet pressure
Country of destination
Appliance category
Nominal connection pressure in
mbar
Natural gas
Liquefied
petroleum gas
Natural gas
Liquefied
petroleum gas
DE
II
2N3P
20/25
50
DE
II
2ELL3P
20
50
AT, CH, CZ, SK
II
2H3P
20
50
CH, ES, FR, GB, IE, GR, IT, HR, PT, SI, LT, SK
II
2H3P
20
37
ES, FR, GR, PT, SI
II
2N3P
20/25
37
NL
II
2L3P
25
37
HU
II
2H3P
25
30
FR
II
2E+3P
20/25
37
FR
II
2Er3P
20
37
DK, FI, LV, NL, NO, SE, TR
I
2H
20
BE
II
2E+3P
20/25
37
BE
II
2N3P
20/25
37
LU
I
2E
20
PL
II
2E3P
20
37
RO
II
2H3P
20
30
Tab. 12-7
Countries of destination, unit categories and associated
gas connection pressures
(7)*
* For position numbers, see fig. 12-1
Component
Remark
Tightening torque
in Nm
Fixing screws (upper panelling of the heat cell)
fig. 4-43, item 1+2
3
Fixing screw (burner flange / boiler body)
fig. 7-3, item 19
3
Fixing screw (burner surface / burner flange)
fig. 7-7, item 4
3
Fixing screw (Venturi nozzle)
fig. 7-3, item 16
3
Fixing screw (ignition electrodes / ionisation electrode)
fig. 7-3, item 27+29
3
Fixing screw (burner blower / burner flange)
fig. 7-3, item 15
3
Fixing screw (securing plate / connection adapter for gas valve)
fig. 7-2, item 33
3
Fixing screw (connection adapter for gas valve)
fig. 7-2, item 30
1.5
Fixing screw (exhaust manifold / boiler body)
fig. 7-3, item 25
2
Temperature sensors and sensors
all
Max. 10
Hydraulic line connections (Water)
Thread 1"
25 - 30
Tab. 12-8
Tightening torque
Summary of Contents for GCU compact 315
Page 81: ...13 x Notes 13 Notes...
Page 82: ...13 x Notes...
