Unigas HTP90A, Manual Of Installation - Use - Maintenance

Page: 21 / 84

21
Suntec TV Pressure governor
1.Connection for manometer 1 – delivery (M1) – G1/4
2.Connection for manometer 2 – suction (M2) – G1/4
3.Connection for manometer 3 (M3)
A. Suction connection– G1/2
D. Direct - clockwise
I. Indirect – counter clockwise
R. By-pass connection– G1/2
S. Delivery connection – G1/2
VR. After removal of cover screw: pressure regulation
Assembling the light oil flexible hoses
To connect the flexible light oil hoses to the pump, proceed as follows, according to the pump provided:
1
remove the closing nuts A and R on the inlet and return connections of the pump;
2 screw the rotating nut of the two flexible hoses on the pump being careful to avoid exchanging the inlet and return lines : see
the arrows marked on the pump that show the inlet and the return (see prevoius paragraph).
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
Fig. 9
HP-Technick UHE-A..
Oil viscosity 3 ÷ 75 cSt
Oil temperature 0 ÷ 150°C
Min. suction pressure - 0.45 bar to avoid gasing
Max. suction pressure 5 bar
Max. return pressure 5 bar
Rotation speed 3600 rpm max.
Suntec TA.. Suntec T HP Technik UHE
2 2
A A
R
S
D
I
VR VR
1
3
R
A
R
A
R
A