Sit 820 NOV A mV Manual Download Page 8 | Manualshive

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Sit 820 NOV A mV Manual Download Page 8

8 2 0 N O VA m V

Multifunctional control

for gas appliances

without electrical power

supply.

9.955.921 R0

1

GRAPHIC DESIGN BY START - PD - ITALY

SIT La Precisa

Viale dell'Industria 31/33 35129 PADOVA - ITALY

Tel. 049/8293111 - Fax 049/8070093 - Telex 430130 SITEC I

f i r e - p a r t s . c o m

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Summary of Contents for 820 NOV A mV

Page 1: ...A m V M U LT I F U N C T I O N A L C O N T R O L F O R G A S THERMOPILE POWER SUPPLY THERMOELECTRIC SAFETY DEVICE SERVO CONTROLLED PRESSURE REGULATOR SHUT OFF SOLENOID VALVE SIT Group PIN 63AP7060 2 fire parts com ...

Page 2: ...on control knob Thermoelectric flame failure device with restart interlock Near silent automatic shut off valve Servo controlled pressure regulator Step ignition device optional Main gas flow manual adjustment device on request Pilot outlet with gas flow restrictor Inlet and pilot filters Inlet and outlet pressure test points Threaded gas inlet and outlet with provision for flange connection Conne...

Page 3: ... 1 Control knob 2 Main gas flow manual adjustment device 3 Adjustment screw for gas flow to the pilot 4 Thermocouple connector 5 Alternative thermocouple connector 6 Provision for accessories support bracket 7 Inlet pressure test point Gas connections Rp 1 2 ISO 7 1 0 3 8 on request Installation position any position Gas families I II and III Maximum gas inlet pressure 60 mbar Outlet pressure sett...

Page 4: ... 4 35 120 5 5 127 36 5 94 112 Rp 1 2 Rp 1 2 TP TH TP TH 3 5 TP TH TP TH 29 18 1 CLASS D I Family d 0 45 Q 7 5 m3 h p 5 mbar II Family d 0 6 Q 6 5 m3 h p 5 mbar III Family d 1 7 Q 8 1 kg h p 5 mbar CLASS C I Family d 0 45 Q 5 3 m3 h p 5 mbar II Family d 0 6 Q 4 6 m3 h p 5 mbar III Family d 1 7 Q 5 8 kg h p 5 mbar 0 5 10 Q m3 h d 0 6 4 2 6 8 10 p mbar CLASS D CLASS C fire parts com ...

Page 5: ...rn the control knob to the pilot position Turning off Depress and turn the control knob to the off position fig 3 Caution the restart interlock device prevents ignition of the appliance until the flame failure device has stopped gas flow At the end of this period after closing the magnet unit it is possible to carry out the re ignition operation R E G U L A T E D F L O W R A T E I N A C C O R D A ...

Page 6: ... compensation is possible when the latter is pressurized see figure Use the special SIT hose connectors for this purpose Torque 1 Nm Electrical connections Use the special connectors for connection to the thermopile and to the thermostat Make the connections in accordance with the plan below and in accordance with the rules for the appliance The electrical safety cut off devices for example the fl...

Page 7: ...justment screw B and the spring C with the accessory D code 0 907 037 Torque 1 Nm Gas flow rate adjustment to the pilot Screw in the associated screw to reduce the flow or unscrew it to increase flow Overriding gas flow rate adjustment to the pilot It is sufficient to screw the adjustment screw in flush and then screw it out two complete turns Changing the gas family or group Check suitability for...

Page 8: ...ntrol for gas appliances without electrical power supply 9 955 921 R01 GRAPHIC DESIGN BY START PD ITALY SIT La Precisa Viale dell Industria 31 33 35129 PADOVA ITALY Tel 049 8293111 Fax 049 8070093 Telex 430130 SITEC I fire parts com ...

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