CAUTION
Air in the system
Damage to the system!
Specified performance data are not met!
▷
Do not install the discharge line in the intake area of the system.
To prevent air from being drawn into the system, the inlet line discharging into the
inlet tank must not be installed in the vicinity of the pump's suction line. The suction
line must be submerged at all times.
CAUTION
Ingress of contamination
Damage to the system!
▷
Fit a suction strainer to the suction line.
CAUTION
Incorrectly sized suction and discharge lines
Damage to the system!
Specified performance data are not met!
▷
The discharge line must be rated for a flow velocity of 2 m/s.
▷
The suction line must be rated for a flow velocity of 1.5 m/s.
NOTE
We recommend installing only approved swing check valves.
5.6 Fitting the dry running protection device
Install the dry running protection device supplied together with the pressure booster
system as a separate, non-fitted accessory, or supplied at a later date for retrofitting,
in accordance with its operating instructions and connect it to the switchgear and
controlgear assembly.
The switchgear and controlgear assembly is provided with the requisite inputs.
5.7 Fitting the shut-off elements
All other valves and fittings in the service pipes, e.g. gate valves, water meters and
the non-return valve must be sized in accordance with the data provided by the
responsible water company.
5.8 Electrical connection
DANGER
Unqualified personnel performing work on the pressure booster system
Danger of death from electric shock!
▷
Always have the electrical connections installed by a trained and qualified
electrician.
Connection types C and V
Connection type A
5 Installation at Site
18 of 40
Surpress Feu SFE.3
