Technical Data; Electrical Data - SIT 845 SIGMA Installationsanleitung

TECHNICAL DATA

The technical data specified below refers to the European standard, EN 126 "Multi-functional controls for gas-burning appliances"
Group
Automatic valves (EV)
Pressure regulator (RP)
Outlet pressure setting range
Gas families
Ambient temperature
Maximum inlet pressure
Opening time of automatic valves
Closing time of automatic valves
Assembly position
Inlet/outlet gas connection
Side oultet
Pilot
Pressure test point
Pressure compensation

ELECTRICAL DATA

AUTOMATIC SHUT-OFF VALVES
Nominal Supply Voltage
230 Vac 50 Hz
24 Vac 50 Hz
24 V 50 Hz RAC
Protection degree:
IP 40 with SIT NAC 504 connector. IP 44 with SIT NAC 504 connector and gasket
IP 40 or IP 44 with connectors 960.4 serie
MODULATING DEVICE
Model
white coil
blue coil
2
EV1 class A or B / EV2 class C or J
Class B
1-37 mbar (red setting screw/modulator axis in
1-20 mbar (white setting screw/modulator axis in
3-45 mbar (black setting screw/modulator axis in
1st, 2nd, 3rd
0 °C...60 °C (-20 °C...60 °C on request)
60 mbar
2 s
1 s
any position
Male G3/4 B ISO 228
Connections with flanges M4 (4) flanges minimum full
thread 6 mm
Union joint (accessory 0.982.001)
Female connection Rp 1/2 ISO 7 (105 mm version)
M5 (3) flanges minimum full thread 7 mm
M10 X1 for 4 mm, 6 mm or 1/4" tubing
∅ 9mm
∅ 7mm
EV1 EV2
Current nominal voltage
(mA)
40 12
390 100
270 115
Voltage (DC)
9V
17V
horizontal position)
horizontal position)
horizontal position)
EV1 EV2
Power at nominal voltage ( )
W
4.3 2.0
4.6 2.0
6.5 2.8
Maximum current (mA)
310
165
GB
Color
Black
Yellow
Blue
5