English
26 WILO SE 04/2013
Captions
Fig.1a Example of pressure boosting system
“SiBoost Smart 2 Helix V…”
Fig.1b Example of pressure boosting system
“SiBoost Smart 3 Helix VE…”
Fig.1c Example of pressure boosting system
“SiBoost Smart 4 Helix EXCEL”
1 Pumps
2 Control device
3 Base frame
4 Intake manifold pipe
5 Delivery manifold pipe
6 Check valve on the intake side
7 Check valve on the pressure side
8 Non-return valve
9 Diaphragm pressure vessel (accessory for Helix
EXCEL )
10 Throughflow valve
11 Pressure gauge
12 Pressure sensor
13 Lifting point for attachment of lifting gear
14 Low-water cut-out switchgear (WMS),
optional
15 Casing (only with pump types Helix EXCEL )
15a Intake-side casing hood (only with pump types
Helix EXCEL)
15b Pressure-side casing hood (only with pump
types Helix EXCEL)
Fig.2a Pressure sensor kit (series with Helix V und
Helix VE )
9 Diaphragm pressure vessel
10 Throughflow valve
11 Pressure gauge
12a Pressure sensor
12b Pressure sensor (plug), electrical connection,
PIN assignment
16 Draining/venting
17 Stop valve
Fig.2b Pressure sensor kit (series with Helix EXCEL )
11 Pressure gauge
12a Pressure sensor
12b Pressure sensor (plug), electrical connection,
PIN assignment
16 Draining/venting
17 Stop valve
Fig.3 Throughflow valve operation / pressure
testing the diaphragm pressure vessel
9 Diaphragm pressure vessel
10 Throughflow valve
A Open/close
B Draining
C Check supply pressure
Fig.4 Information table: nitrogen pressure,
diaphragm pressure vessel (example)
(supplied as a sticker!)
a Nitrogen pressure according to the table
b Start-up pressure, base-load pump in bar PE
c Nitrogen pressure in bar PN2
d Note: Nitrogen measurement without water
e Note: Attention! Introduce nitrogen only
Fig.5 8l diaphragm pressure vessel retrofit kit
(accessory only for SiBoost Smart Helix
EXCEL )
9 Diaphragm pressure vessel
10 Throughflow valve
18 Threaded pipe union (to suit the nominal
diameter of the system)
19 O-ring (seal)
20 Lock nut
21 Pipe nipple
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