Related Manuals for SIT Group 820 NOVA
Summary of Contents for SIT Group 820 NOVA
- Page 1 SIT Group 8 2 0 N O V A M U L T I F U N C T I O N A L G A S C O N T R O L THERMOELECTRIC FLAME SUPERVISION DEVICE SERVO-CONTROLLED PRESSURE REGULATOR...
- Page 2 A step opening ignition device can be fitted on request. The 820 NOVA is suitable for use with boilers, catering equipment, hot air generators, radiators and other heating appliances. M A I N F E A T U R E S Control knob with Off, Pilot and On positions.
- Page 3 D E S C R I P T I O N 1 Control knob 9 Actuation valve 2 Pressure regulator cap screw 10 Pilot outlet 3 Pilot gas rate adjuster 11 Main gas outlet 4 Thermocouple connection 12 Holes (M5) for mounting flange 5 Alternative thermocouple connection 13 Supplementary fixing points for valve 6 Provision for accessories support...
- Page 4 D I M E N S I O N S G A S F L O W A S A F U N C T I O N O F P R E S S U R E L O S S Q [m /h d=0,6] CLASS D...
- Page 5 A C T U A T I O N Pilot flame ignition Press the control knob and rotate to Pilot Press the knob and ignite the pilot flame, keeping the knob fully fig. 1 depressed for a few seconds (fig. 1). Release the knob and check the pilot flame stays on, otherwise repeat the ignition procedure.
- Page 6 I N S T A L L A T I O N Main gas connection The connection must be made using gas pipes with Rp 1/2 ISO 7. Torque: 25 Nm. If optional flanges are used, first screw the pipes onto the flanges and then the flanges onto the valve.
- Page 7 S E T T I N G S A N D A D J U S T M E N T S Checking the inlet and oulet pressure Loosen the test-point screws provided to check inlet and outlet pressure. Tighten the screws to the recommended torque of 2.5 Nm.
- Page 8 8 2 0 N O VA Multifunctional control for electrically-powered gas appliances...
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