Unigas TP1030, Руководство пользователя, Страница: 21 / 108

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Once the throttle valve is completely opened, acting on the pressure stabiliser of the valves group, adjust the gas flow rate in the high
flame stage as to meet the values requested by the boiler/utilisation:
Gas valves Siemens VGD - Version with SKP2. (provided with pressure stabilizer).
Start-up procedure
1 Turn the burner on.
2 the LMV control box starts the system test cycle: the AZL display shows the System Test message; at the end of the test, it shows
the main page and the system stops (the safety chain is open) waiting for the startup enabling signal (standby - Program phase no.
12)
Main page
3 check the fan motor rotation (see related paragraph).
4 make the safety chain enabling the system to start up
5 the combustion cycle starts: the system will show the operating stages
- Prepurging (program phase no.30)
- Driving to ignition position (program phase no.36)
- Ignition position (program phase no.38)
- Fuel (the fuel solenoid valves open)
- Flame (the flame lights up)
- Driving to low flame (the actuator drives to low flame).
NOTE: the C and A , on the .
Once the ignition cycle ends, the main page is shown:
Main page
Set point: temperature set-point
Act value: actual temperature value
Load: load percentage (burner output)
Flame: percentage of flame detection current.
By pressing the ENTER key the display shows the second page:
To increase or decrease gas pressure, and therefore gas flow rate, remove the cap T
and use a screwdriver to adjust the regulating screw VR . Turn clockwise to increase
the flow rate, counterclockwise to reduce it.
Setpoint 80°C
Act.value 78°C
Fuel GAS
Standby 12
Setpoint 80°C
Act.value 78°C
Load 24%
Flame 60%
VR
T