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INSTRUCTIONS FOR USE
AND INSTALLATION
Multifunctional control with modulating thermostat and additional on-off function. 630 EUROSIT does not require
electrical supply and is available in a vast range of models. It is particularly suitable for use in space heaters,
convector heaters, storage water heaters, boilers, catering appliances and all those appliances that require accurate
temperature control.
MAIN CHARACTERISTICS
Control knob with positions for off, pilot and temperature selection (MS)
Thermoelectric flame supervision device with re-start interlock (GM)
Maximum gas flow adjustment (RQ) or, alternatively,
Pressure regulator (PR)
Minimum (by pass) flow adjustment
Modulating thermostat with additional on-off function (TH)
Pilot outlet with pre-setting device of the gas flow (RQ)
Inlet and pilot filter (FL)
Inlet and Outlet pressure test points
Lateral or bottom main gas inlet and outlet
Main gas connections with threaded pipe or nut and olive.
WORKING DIAGRAM
Versions without pressure regulator
RQ
GAS
INLET
FL
MS
GM
FL
TECHNICAL DATA
The technical data specified below refer to the European standard, EN 126 "Multi-functional controls for gas-burning appliances".
Main gas connections
Assembly position
Gas families
Max. gas inlet pressure
Outlet pressure setting range
Working temperature range
(optional)
Pressure regulator
Torsion and bending resistance
Flame supervision device
(using SIT series 200 or 290 thermocouples)
ignition time
shut-off time
number of cycles expected
Manual shut-off device
number of cycles expected
THERMOSTAT REGULATION SPECIFICATIONS
The regulation specifications of the modulating thermostat with on-off function are shown in the following drawing
and table:
Thermostatic range
a
8-33 °C
3
13-31 °C
2
13-38 °C
3
13-48 °C
4
21-46 °C
3
30-100 °C
9
40-72 °C
5
40-80 °C
5
100-340 °C
30
Other ranges are available on request
4
Versions with pressure regulator
TH
GAS
INLET
MAIN
BURNER
FL
PILOT
BURNER
RQ
b
c
3
2
2
2
3
2
4
3
3
2
9
5
5
3
5
3
30
10
GB
PR
TH
MS
GM
FL
RQ
Rp 3/8 ISO 7
any position
I, II and III
50 mbar
3-18 mbar
0-80 °C
Class C
Group 2
< 10 s
< 60 s
10.000
10.000
b
Temperature
c
a
MAIN
BURNER
PILOT
BURNER
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