Gas Type, Connection Pressures; Tightening Torques - Daikin GCU compact Series Installation And Operating Instructions Manual

12 Technical data
12.2

Gas type, connection pressures

Country
AT, CH, CZ, DE, DK, ES, FI, FR,
GB, GR, HR, IE, IT, LT, LU, LV,
NL, NO, PL, PT, RO, SE, SI, SK,
TR
DE
BE, DE, ES, FR, GR, NL, PT, SI
HU
NL
AT, DE, LU
BE, ES, FR, GB, GR, HR, IE, IT,
LT, LU, NL, PL, PT, SI
HU, RO
Tab. 12-9 Permissible gas inlet pressure according to EN 437 for the listed nominal pressures
Country of destination
DE
DE
AT, CZ, SK
ES, FR, GB, GR, HR, IE, IT, LT, PT, SI, SK
BE, ES, FR, GR, NL, PT, SI
NL
NL
HU
FR
FR
CH, DK, FI, LV, NL, NO, SE, TR
DK, ES, FR, GR, PT, SI
BE
LU
LU, PL
LU
RO
Tab. 12-10 Countries of destination, appliance categories and associated gas connection pressures
12.3

Tightening torques

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 for safety temperature limiter
Fixing screw (exhaust manifold / boiler body)
Installation and operating instructions
72
Gas type
Natural gas E/H (G20)
Natural gas LL/L (G25)
Natural gas E, H, LL, L
Appliance category I , II (G20)
2N 2N3P
Natural gas H (G20)
Natural gas L (G25), natural gas K
(G25.3)
Liquid gas (G31)
Liquid gas (G31)
Liquid gas (G31)
Component
Nominal pressure in Min. inlet pressure in
mbar
20
20
20/25
25
25
50
37
30
Appliance category
Natural gas Liquefied pet-
roleum gas
II
2N3P
II
2ELL3P
II
2H3P
II
2H3P
II
2N3P
II
2L3P
II
2EK3P
II
2H3P
II
2E+3P
II , II
2Er3P 2Esi3P
I
2H
I
2N
II
2E+3P
I
2E
II
2E3P
II
2E3P
II
2H3P
Remark
Fig. 4-42, items 1+2
Fig. 7-3, item 19
Fig. 7-7, item 4
Fig. 7-3, item 16
Fig. 7-3, items 27+29
Fig. 7-3, item 15
Fig. 7-2, item 33
Fig. 7-2, item 30
Fig. 6-3, item STBK
Fig. 7-3, item 25
Floor-standing gas condensing boiler with integrated heat storage
Max. inlet pressure
mbar in mbar
17 25
18 25
17 30
18 33
20 30
42.5 57.5
25 45
25 35
Nominal connection pressure in
mbar
Natural gas Liquefied pet-
roleum gas
20/25 50
20 50
20 50
20 37
20/25 37
25 37
20/25 37
25 30
20/25 37
20, 25 37
20
20
20/25 37
20
20 37
20 50
20 30
Tightening torque in Nm
3
3
4
3
1.5 - 2
3
3
1.5
3 + Loctite
2
Gas Combi Unit
008.1543899_02 – 04/2019 – EN