Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
TECHNICAL DATA
The technical data specified below refers to the European standards EN 126 "Multifunctional
controls for gas-burning appliances" and EN 12067-1 "Gas/air ratio controls for gas burner
and gas-burning appliances", and EN 12078 "Zero governor for gas burners and gas burning
appliances".
848 Sigma is approved in accordance with EN 126, EN 12067-1 and EN 12078.
Optionally, the components and materials used can be in accordance with RoHS directive.
Torsion and bending resistance
Gas families
Ambient temperature range (*)
Storage temperature range
Maximum humidity
Maximum gas inlet pressure
Assembly position
Inline inlet and outlet gas connection options
Side outlet gas connection options
Pressure test point
(*)
The maximum peak ambient temperature may be 70°C over a time period of 2,400 hours. For the remaining lifetime the gas
valve shall be operated at lower temperature. For further details please contact SIT Customer Focus Department.
Shut-off function
Automatic shut-off valves classification
Nominal Supply Voltage
Automatic shut-off valves
230 V 50 Hz
24 V 50 Hz
120 V 60 Hz
21 V DC
24 V RAC
1
Coils shall be supplied in parallel, see fig.9
Nominal Supply Voltage
Automatic shut-off valves
31 V DC
2
Coils shall be supplied in parallel, see fig.10
Nominal Supply Voltage
Automatic shut-off valves
230 V RAC
22 V DC
Coils shall be supplied in series, see fig.11
Protection degree:
4 4
IP 44 with dedicated SIT connectors and screw
suitable for nut compliant with male G3/4 B ISO 228
Current @ nominal voltage (mA)
1
EV1
40
390
88
367
270
Current @ nominal voltage (mA)
2
EV1
171
Current @ nominal voltage (mA)
3
EV1 + EV2
47
520
0°C to 70°C (-15°C to 70°C on request)
90% RH @40°C
Female Rp ½ ISO 7
EV1 class A or B
EV2 class C or J
Power @ nominal voltage (W)
EV2
EV1
12
4.3
100
4.6
35
5.8
143
7.7
116
6.5
Power @ nominal voltage (W)
EV2
EV1
79
5.3
Power @ nominal voltage (W)
EV1 + EV2
10.7
11.4
Group 2
nd
rd
2
, 3
-30°C to 70°C
60 mbar
Any position
Flanged M4 (4)
Flanged M5 (3)
"Quick fit"
Ø 9 mm
EV2
2
2.0
2.6
3.0
2.8
EV2
2.4
Publicité
Table des Matières
