Wilo -SiFire FIRST Installation And Operating Instructions Manual page 10

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C
4
3
2
1
Fig. 2: Structure of pressure outlet and fuel tank
10
Product description
7
6
5
8
C: Pipework, on the pressure side with jockey pump
1 Reducer
3 Gate valve
5 Start-up pressure switch
Manometer
7
D: Diesel tank
1 Collector tank
3 Floater cover
Ventilation connection, min. dia-
5
meter: 1"
7 Filling port
9 Drain
System mounted on a steel base frame, consisting of the following elements:
ƒ
Main pump with electric or diesel motor
The hydraulics and the motor are connected to a coupling. This enables the hydraul-
ics, impeller and motor to be removed separately.
ƒ
Vertical, multistage jockey pump
Enables small corrections in the event of leakages and keeps the pressure level in the
system constant.
ƒ
Switchgear
One switchgear per pump.
ƒ
Pipes in steel
ƒ
Valves on discharge connection
The valves can be locked in the open position.
ƒ
Non-return valve
ƒ
Butterfly valves, pressure gauges, pressure switches
ƒ
Dual pressure switch
–
Main pump start
–
Pressure switch functional check
ƒ
Pressure switch for automatic start and stop of the jockey pump
ƒ
Base frame for switchgears and pipework
ƒ
Separate diesel tank, complete with accessories
ƒ
Two batteries for starting the diesel motor (if available)
D
4
3
2
1
2 Non-return valve
4 Pipework
6 Pressure switch test valve
Hydraulic connection for jockey
8
pump
2 Level indicator
4 Floater
Connection for manual fuel pump
6
8 Housing
10 Base frame
5
6
7
8
9
10
WILO SE 2020-12