Sit 845 Sigma, Use And Installation Instructions

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4
845 SIGMA USE AND INST
ALLA
TION INSTRUCTIONS
ENGLISH
TECHNICAL DATA
The technical data specified below refers to the European standards EN 126 “Multifunctional
controls for gas-burning appliances.
845 Sigma is approved in accordance with EN 126.
Optionally, the components and materials used can be in accordance with RoHS directive.
Torsion and bending resistance Group 2
Gas families 1
st
, 2
nd
, 3
rd
Ambient temperature range 0°C to 60°C (-15°C to 60°C on request)
Storage temperature range -30°C to 70°C
Maximum humidity 90% RH @40°C
Maximum gas inlet pressure 60 mbar
Assembly position Any position
Inline inlet and outlet gas connection options Male G3/4 B ISO 228
Flanged M4 (4)
Female Rp ½ ISO 7
Side outlet gas connection options Flanged M5 (3)
Pilot outlet gas connections M10 X1 for 4 mm, 6 mm or 1/4” tubing
Pressure test point Ø 9 mm
Pressure compensation Ø 7 mm
Shut-off function
The two automatic shut-off valves are connected in series with the main gas line.
Automatic shut-off valves EV1 class A or B, EV2 class C or J
Automatic shut-off valves EV1 EV EV1 EV
Nominal Supply Voltage (AC) Current @ nominal voltage (mA) Power @ nominal voltage (W)
230 V 50 Hz 40 12 4.3 2
24 V 50 Hz 390 100 4.6 2.0
120 V 60 Hz 88 35 5.8 2.6
21 V DC 367 143 7.7 3.0
31 V DC 171 79 5.3 2.4
24 V RAC 270 116 6.5 2.8
Automatic shut-off valves series EV1 + EV EV1 + EV
Nominal Supply Voltage (AC) Current @ nominal voltage (mA) Power @ nominal voltage (W)
230 V RAC 47 10.7
22 V DC 520 11.4
Protection degree:
IP 44 with dedicated SIT connectors and screw