Booster Modules Connected In Series And In Parallel; Pressure Gauge - Grundfos BM Installations- Und Bedienungsanleitungen

Fig. 4 How to lift the pump
If you do not follow these instructions, there is a risk
of warping or crushing some of the equipment such
as the terminal box, cover or drip cover.
Fig. 5 Fastening by means of clamps
5.1 Booster modules connected in series and in
parallel
• For modules connected in series, mounted above each other,
we recommend to connect the pipes as shown in fig. 6.
• For modules connected in parallel, mounted above each other,
we recommend to connect the pipes as shown in fig. 7. This
layout ensures that the modules are filled with water before
starting.
• For modules connected in series and parallel, mounted above
each other, we recommend to connect the pipes as shown in
fig. 8.
• For modules connected in series and fitted with a bypass,
mounted above each other, we recommend to connect the
pipes as shown in fig. 9.
Symbols used in figures 6 to 9:
: Air escape valve
Air escape valve
: Isolating valve
Closing valve
Non return valve
: Non-return valve
Pressure switch
: Pressure switch
Flow switch
: Flow switch

Pressure gauge

: Pressure gauge
Motor operated valve
: Motor-operated valve
Diaphragm tank
: Diaphragm tank
8
Fig. 6 Booster system with four modules connected in series,
mounted above each other
Bypass
Bypass
Bypass
Bypass
Bypass
Bypass
Bypass
Bypass
Fig. 7 Booster system with four modules connected in
parallel, mounted above each other
Fig. 8 Booster system with two modules connected in series
and in parallel, mounted above each other
Bypass
Bypass
Fig. 9 Booster system with four modules connected in series
with bypass, mounted above each other
WARNING
Description of hazard
Death or serious personal injury
- Make sure that the pump and the system are fully
vented before startup.
Bypass
Bypass
4
3
2
1
4
3
2
1
Bypass
Bypass
4
3
Bypass
Bypass
2
1
4
3
2
1