Technical Specifications; Technical Data; Electrical Data - Sit 836 TANDEM Instructions D'utilisation Et D'installation

Multi-functional gas valve with High-Low-Off gas flow control. The valve may be used in automatic appliances
with either intermittent pilot or direct burner ignition.
All the adjustments can be made from the top face and the valve is suitable for all three gas families.

TECHNICAL SPECIFICATIONS

Dual safety valve Class B (class A upon request), silent operation (EV).
Servo system pressure regulator (RP).
Modulating device for selection of high or low gas rate with mechanical adjustments (SMD).
Pilot outlet (optional) with flow restrictor (RQ).
Inlet and outlet pressure test points.
Inlet and pilot filter (FL).
Connection for burner pressure compensation.
WORKING DIAGRAM
GAS
INLET
FL

TECHNICAL DATA

The technical data specified below refer to the European standard, EN 126 "Multi-functional controls for gas-burning appliances".
Group
Automatic valves (EV)
Pressure regulator (RP)
Max. outlet pressure range
Min. outlet pressure range
Working temperature range
Max. gas inlet pressure
Opening and closing time of automatic shut-off valves
Assembly position
Gas connections

ELECTRICAL DATA

AUTOMATIC SHUT-OFF VALVES
Voltage
(AC)
240 V 50 Hz
220 V 50 Hz
220 V 60 Hz
24 V 50 Hz
24 V 60 Hz
Electric protection rating using connector
type 153 and gasket and screw code 0.960.108
MODULATING DEVICE (OM)
Voltage
(Rectified AC)
240 V
220 V
24 V
4
Electric protection rating using connector
type 352 including gasket and screw
PR
EV1
Class A
90
100
900
SMD
EV2
MAIN BURNER
PILOT BURNER
2
class B
(class A upon request)
class C
7-50 mbar
(version 240 V: 7-37 mbar)
2-45 mbar
(version 240 V: 2-30 mbar)
0-60°C
(-20...+60 °C upon request)
60 mbar
≤ 1 s
any position
Rp 1/2 ISO 7
Consumption
(mA) (2 valves)
Class B
90
70
90
850
900
IP 54
Consumption
(mA)
30
30
270
IP 54
Low Power
500
600