Gas Type, Connection Pressures; Tightening Torque - Rotex GCU compact 315 Installation And Maintenance Instructions Manual

12.2 Gas type, connection pressures

Gas type
Natural gas E/H
Natural gas LL/L
Liquefied petroleum gas
Tab. 12-6 Permitted gas inlet pressure
Country of destination
DE
DE
AT, CH, CZ, SK
CH, ES, FR, GB, IE, GR, IT, HR, PT, SI, LT, SK
ES, FR, GR, PT, SI
NL
HU
FR
FR
DK, FI, LV, NL, NO, SE, TR
BE
BE
LU
PL
RO
Tab. 12-7 Countries of destination, unit categories and associated
gas connection pressures (7)*

12.3 Tightening torque

Fixing screws (upper panelling of the heat cell)
Fixing screw (burner flange / boiler body)
Fixing screw (burner surface / burner flange)
Fixing screw (Venturi nozzle)
Fixing screw (ignition electrodes / ionisation electrode)
Fixing screw (burner blower / burner flange)
Fixing screw (securing plate / connection adapter for gas valve)
Fixing screw (connection adapter for gas valve)
Fixing screw (exhaust manifold / boiler body)
Temperature sensors and sensors
Hydraulic line connections (Water)
Tab. 12-8 Tightening torque
Nominal pressure in mbar
20
20
50
Appliance category
Natural gas
I
2H
I
2E

Component
Min. inlet pressure in mbar
17
18
42.5
Nominal connection pressure in
Liquefied
petroleum gas
II
2N3P
II
2ELL3P
II
2H3P
II
2H3P
II
2N3P
II
2L3P
II
2H3P
II
2E+3P
II
2Er3P
II
2E+3P
II
2N3P
II
2E3P
II
2H3P
* For position numbers, see fig. 12-1
Remark
fig. 4-43, item 1+2
fig. 7-3, item 19
fig. 7-7, item 4
fig. 7-3, item 16
fig. 7-3, item 27+29
fig. 7-3, item 15
fig. 7-2, item 33
fig. 7-2, item 30
fig. 7-3, item 25
Thread 1"
12 x Technical data
Max. inlet pressure in mbar
25
25
57.5
mbar
Natural gas Liquefied
petroleum gas
20/25 50
20 50
20 50
20 37
20/25 37
25 37
25 30
20/25 37
20 37
20
20/25 37
20/25 37
20
20 37
20 30
Tightening torque
in Nm
3
3
3
3
3
3
3
1.5
2
all Max. 10
25 - 30