420010362200 Maior P 300.1/400.1 AB
EN
VERIFY:
- That piping system is perfectly sealed;
- That the use of hoses is avoided whenever is possible (use copper pipes preferably);
- That depression is not greater than 0,45 bar, to avoid pump's cavitation;
- That check valve is suitably designed for the duty;
The pump pressure is set at a value of 12 bar (13 bar Maior P 300.1) during the testing of burners. Before starting the
burner, bleed the air in the pump through the gauge port. Fill the piping with light-oil to facilitate the pump priming.
Start the burner and check the pump feeding pressure. In case the pump priming does not take place during the first
prepurging, with a consequent, subsequent lock-out of the burner, rearm the burner's lock-out to restart, by pushing
the button on the control box. If, after a successful pump priming, the burner locks-out after the prepurging, due to a
fuel pressure drop in the pump, rearm the burner's lock-out to restart the burner. Do never allow the pump working
without oil for more than three minutes. Note: before starting the burner, check that the return pipe is open. An even-
tual obstruction could damage the pump sealing device.
NB : For one-pipe installation, the by-pass plug must be removed from the return port and the return port sealed by
steel plug and washer.
(Not all model combinations are available.
J
Flange mounting
000 : conical connection threads
001 : cylindrical connection threads
002 : cylindrical connection threads
Revision number
5 : for J4 and J6
4 : for J7
Installation
P : by-pass plug installed in return port
PUMP SUNTEC J TECHNICAL DATA
PUMP
IDENTIFICATION
Consult your Suntec representative)
J : Pressure regulation
Gear set capacity
(see pump capacity curves)
Filter
Shaft rotation
and nozzle location
(seen from shaft end)
A : clockwise rotation/
right hand nozzle.
B : clockwise rotation/
left hand nozzle.
C : anti clockwise rotation/
left hand nozzle.
D : anti clockwise rotation/
right hand nozzle.
Pressure range
C : 10-21 bars
E : 10-30 bars
6
C
A
C 1 001
5 P
cut-off function
cut-off function
by-pass nozzle, no cut-off function
for two-pipe operation
Back
to suction
Oil under suction
Oil under pressure
By-passed oil
returned to tank,
or to suction
Return
plugged
Inlet
Pressure
adjustment
By-pass
plug
inserted
TWO PIPE
INSTALLATION
Return
14
By-pass
plug
removed
ONE PIPE
INSTALLATION
Vacuum
gauge port
Gear set
To nozzle
Pressure
gauge port