PART II: INSTALLATION
28
Do not use PTFE tape on the suction and return line pipes to avoid the possibility that particles enter circulation. These could depo-
sit on the pump filter or the nozzle, reducing efficiency. Always use O-Rings or mechanical seal (copper or aluminium gaskets) jun-
ctions if possible.
An external filter should always be installed in the suction line upstream the fuel unit.
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
"Note: pump with “C” rotation.
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
ATTENTION
: before the burner first start, it is mandatory to fill the adduction pipes with diesel fuel and bleed out residual
air bubbles. Prior to switching on the burner, check direction of rotation of the pump motor by briefly pressing the starter
switch; ensure there are no anomalous sounds during equipment operation, and only then turn on the burner. Neglect to
comply with this requirement will invalidate the burner warranty.
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 T..
Viscosity
3 - 75 cSt
Oil temperature
0 - 150 °C
Minimum suction pressure
- 0.45bar to prevent gasing
Maximum suction pressure
5 bar
Rated speed
3600 rpm max.
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
Suntec TA..
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.
2
2
A
A
R
S
D
I
VR
VR
1
3
R
Summary of Contents for HR92A
Page 45: ...PART III OPERATION 45 Fig 8...
Page 46: ...PART III OPERATION 46...
Page 57: ...Service manual AZL2x LMV2x 3x Burner Management System M12916CD Rev 3 4 03 2023...
Page 64: ...8 Parameters level heating engineer...
Page 106: ...50 ERROR CODE TABLE...
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