Rotating the pressure regulator adjustment screw clockwise increases the outlet pressure of the valve, while rotating the screw counter -clockwise decreases the pressure. Very often the gas pressure is too low. The is a 630 sit group valve for each natural gas and liquid propane. SEE PAGE 5 FIGURE 7. Digital Fireplace Burner Control (DFC Module) The DFC module: • Acts as the “brain” of the IPI system sending commands to specific areas Make sure pilot flame is engulfing the top 3/8” of the thermocouple. 3003200657 black solenoid (230v) model sargon 18s, 24s, 30s, 24, 30, 35 vizo plus 24 kit pt. Adjust the Regulator. The 630 sit gas valve is Uro valve made in Italy. Make sure the gas pressure is correct for type of fuel you are using. This problem can be rectified by adjusting the regulator. The second electromagnetic valve in the gas valve, the "main" valve, allows gas flow through a much larger tube to the burner trays. Pilot Adjustment Screw: • Do not adjust as this is factory set by the valve manufacturer. Final Checks. All sales are final. SIT Proflame GTMF Gas Valve 3 . The thermo coupler has a flat spot on it there is a number that has to match up for it to work and the threads are different. Adjust inlet pressure or contact your gas supplier. Gas Leak Test. This type of gas valve used a single thermocouple. This kit can be used convert from the discontinued Honeywell system to SIT millivolt valve system. Hi-Lo Adjustment This valve is also used for Monessen or Majestic products The Sit 820652 Control Valve will replace the following models of Gas Valves by SIT Controls: Model 820.654 - 820.644 - 820.652 - 820.635 - 820.655 - 820.662 - 820.952 Due to the nature of this product, we cannot accept returns. Rotate the control knob to the OFF position. Thermocouple should be the same height as the pilot hood. Perform Gas Leak Test. 5. This could be because the gas valve or regulator may not be adjusted properly. 3003201365 blue solenoid (21v) www.heatline.co.uk important note these instructions supercede the gas valve setting procedure contained within the original appliance literature. Installing the Valve. 6. The SIT 630 630545 Eurosit Gas Control Valve is a multi-functional single control knob combination gas control with combined modulating snap action thermostat and safety interlock system. Operation. This second electromagnetic valve gets power from either a 24 VAC transformer or the thermopile. 8. WARNING: BEFORE DOING ANY GAS CONTROL SERVICE WORK, REMOVE GLASS FRONT. no. Snap and modulating gas valve Thermostatic bellows Pilot gas outlet Thermoelectric Flame failure Pilot outlet with gas flow adjustment screw Main gas inlet and outlet at side or bottom Gas inlet pressure test port Adjust the Eurosit pressure regulator to supply gas to the heating appliance within the appliance manufacturers design parameters. 9. Related Manuals for Sit 630 Eurosit. 8. Valve Description. Some field modification may need to be necessary w/ bracket and gas connections 10. Installation. 630 Euro SIT Control Gas outlet pressure test port Thermoelectric pilot safety valve Thermocouple connection. Perform Gas Leak Test. 7. This Eurosit gas control valve is particularly for use with most gas hearth related heating applications as well as many other vent-free appliance applications. sit nova 820 millivolt valve Note: Before trouble shooting the gas control system, be sure external gas shut off is in the "On" position. Maintenance. 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