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Roca RL 190 Instrucciones De Instalación, Uso Y Mantenimiento página 11

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Idiomas disponibles

Idiomas disponibles

PUMP
SUNTEC J7 C
A
kg/h
B
bar
10 - 21
C
bar
D
cSt
2,8 - 200
E
°C
F
bar
G
bar
H
mm
(A)
Burner
Off
On
(B)
All manuals and user guides at all-guides.com
J7 C
230
0,45
90
1,5
12
0,170
1
2
D1251
Stage
D469
9
PUMP (A)
1 - Suction
2 - Return
3 - Pressure gauge attachment G 1/8"
4 - Vacuum meter attachment
5 - Pressure adjustment screw
6 - By-pass screw
A - Min. delivery rate at 12 bar pressure
B - Delivery pressure range
C - Max. suction depression
D - Viscosity range
E - Max light oil temperature
F - Max. suction and return pressure
G - Pressure calibration in the factory
H - Filter mesh width
PUMP PRIMING
- Before starting the burner, make sure that
the tank return line is not clogged.
Obstructions in the line could cause the
sealing organ located on the pump shaft to
break. (The pump leaves the factory with the
by-pass closed).
- In order for self-priming to take place, the
screw 3)(A) of the pump must be loosened to
bleed off the air contained in the suction line.
- Start the burner by closing the control devices
with switch 1)(B) in the "ON" position. The
pump must rotate in the direction of the arrow
marked on the cover.
- The pump can be considered primed when the
light oil starts coming out of the screw 3). Stop
the burner: switch 1)(C) set to "OFF" and
tighten the screw 3).
The time required for this operation depends
upon the diameter and length of the suction tub-
ing. If the pump fails to prime at the first starting
of the burner and the burner locks out, wait
approx. 15 seconds, reset the burner, and then
repeat the starting operation as often as
required. After 5 or 6 starting operations allow 2
or 3 minutes for the transformer to cool.
Do not illuminate the photocell or the burner will
lock out; the burner should lock out anyway
about 10 seconds after it starts.
Important: the a.m. operation is possible
because the pump is already full of fuel when it
leaves the factory. If the pump has been
drained, fill it with fuel through the opening on
the vacuum meter prior to starting; otherwise,
the pump will seize. Whenever the length of the
suction piping exceeds 20-30 meters, the supply
line must be filled using a separate pump.
G 1/2"
G 1/2"
G 1/8"

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