Technical Data; Electrical Data - Sit 820 NOVA Instructions D'utilisation Et D'installation

9956820-02_MI_820 NOVA_A4

TECHNICAL DATA

The following technical data refer to the EN 126 Standard - "Multi-functional controls for gas-burning appliances".
Gas connections
Installation position
Gas families
Maximum gas inlet pressure
Maximum outlet pressure setting range
Working temperature range
Pressure regulator
Automatic shut-off valve
Closing time
Bending and torsion resistance
Flame failure device
(using SIT series 200 or 290 thermocouples)
Ignition time
Shut-off time
Number of cycles expected
Manual shut-off
Number of cycles expected

ELECTRICAL DATA

AC-POWERED VERSIONS
Electrical protection rating
GAS FLOW
3
Q [m /h d=0,6 class D]
10
8
6
4
2
0
Q [m /h d=0,6 class D]
3
12
10
8
6
4
2
0
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27-10-2003 16:38 Pagina 5
standard
mV version
Voltage (AC) Consumption (mA) Class D or C
240 V 50 Hz
220 V 50 Hz
220 V 60 Hz
24 V 50 Hz
24 V 60 Hz
IP54 using 160 type connectors
with screw and gasket code 0.960.104
5 10
2
1
10 15
Pu [mbar]
Rp 1/2 ISO 7
any position
I, II and III
60 mbar
3...30 mbar
0...70 °C
Class B
Class D
<1s
<5s
group 2
< 10 s
< 60 s
5.000
5.000
Use two-wire millivolt generators
25 Voltage with open circuit
20 Voltage with closed circuit
25 Coil resistance
210
220
I Family (d = 0.45)
II Family (d = 0.6)
III Family (d = 1.7)
I Family (d = 0.45) Q = 5.3 m
II Family (d = 0.6)
III Family (d = 1.7)
Curve Gas Type
1 2H
2 2L
(optional: 20...50 or 5...50 mbar)
(optional -20...60°C)
(class C on request)
mV VERSIONS
≥ 370 mV
≥ 145 mV
2.2 Ω
CLASS D
∆p = 5 mbar
3
Q = 7.5 m /h
∆p = 5 mbar
3
Q = 6.5 m /h
∆p = 5 mbar
Q = 8.1 kg/h
CLASS C
∆p = 5 mbar
3
/h
∆p = 5 mbar
3
Q = 4.6 m /h
∆p = 5 mbar
Q = 5.8 kg/h
Inlet pressure range
Nominal Max. Min.
20 25 17
25 30 20
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