Unigas RG91 Manual page 15

Light oil pumps
The pumps provided with these burners are Suntec TA (except mod. RG525).
RG525: Suntec T pump and Suntec TV pressure governor are provided.
Suntec TA..
Oil viscosity
Oil temperature
Min. suction pressure
Max. suction pressure
Max. return pressure
Rotation speed
1. Inlet G1/2
2. To the nozzle G1/2
3. Return G1/2
4. Pressure gauge port G1/4
5. Vacuum gauge port G1/4
6. Pressure governor
Suntec T..
Viscosity
Oil temperature
Minimum suction pressure
Maximum suction pressure
Rated speed
Key
1 Inlet G3/4
2 Pressure gauge port G1/4
3 Vacuum gauge port to measure the inlet vacuum G1/4
4 To pressure adjusting valve G3/4
"Note: pump with "C" rotation.
Suntec TV Pressure governor
Vite di regolazione
della pressione
Olio in pressione
Olio by-passato
Ritorno
Entrata
3 ÷ 75 cSt
0 ÷ 150°C
- 0.45 bar to avoid gasing
5 bar
5 bar
3600 rpm max.
3 - 75 cSt
0 - 150 °C
- 0.45bar to prevent gasing
5 bar
3600 rpm max.
All'ugello
Pressure adjustment
Remove cap-nut 1 and the gasket 2, unscrew the lock nut 4. To increase
pressure, twist adjusting screw 3 clockwise.
To decrease the pressure, twist screw counterclockwise. Tight the lock
nut 4, refit the gasket 2 and the cap nut 1.
Key
1 Cap nut
2 Gasket
3 Adjusting screw
4 Lock nut
5 Gasket
15
PART II: INSTALLATION