Annovi Reverberi RC Serie Notice D'utilisation Et Installation page 31

General guidelines on water supply connection
The pump's water supply connection can be made in one of the ways listed below.
- Connection to the mains water supply.
- Connection to a tank (gravity-feed).
- Connection to an external pump (force-feed).
The following requirements must be met for all types of connection.
1) The pump must be supplied by means of a crush-proof hose of suitable diameter for the pump's intake
conection (see "Technical Data").
2) There must be no restrictions or kinks in the hose.
3) A suitable filter must be installed at the pump intake (see "Technical Data").
4) All connections between the unions and the intake line must be sealed to prevent the pump from sucking
in air.
5) The connections and pipes must be suitable for the operating pressure and the pump delivery rate, and
must comply with the relevant regulations.
6) To ensure operating safety install a relief valve (by-pass valve) suitable for the pump's technical data and
with a suitable setting downstream of the pump.
7) The relief valve dump line must never be connected to the pump intake line.
8) Install a pressure damper downstream of the pump to minimise the water hammer effect in the delivery
pipeline.
Connection to the mains water supply
The connection must comply with the recommendations provided.
1) The mains water system must have a flow rate twice the pump's rated delivery rate and a pressure of 2 - 3 bar.
2) Adopt all the precautions described in the "General Guidelines on Water Connections" section.
The following is a simplified illustration of the layout for connection of the pump to the mains water supply.
UN003405-CV
English
INSTALLATION INSTRUCTIONS
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A) Mains water supply
B) Intake filter
C) High pressure pump
D) Pressure gauge
E) Pressure damper
F) Relief valve (by-pass valve)
G) Dump pipeline
H) Nozzle
I) Shut-off valve
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Use and Installation