Annovi Reverberi HPJ 8.12 REG EM Manual De Uso E Instalación página 39

Connection to an auxiliary pump (force-feed)
The connection must comply with the recommendations
provided.
1) The auxiliary pump must have a flow rate twice the
high pressure electric pump's rated flow rate and an
operating pressure of 1 - 2 bar.
A) Tank
B) Intake filter
C) Auxiliary pump
D) Electric pump
E) Pressure gauge
F) Pressure damper
G) Safety valve
H) Drain line
L) Nozzle
M) Gate valve
If the electric pump is equipped with
a pressure regulating valve (N), see
"Connection of the electric pump with
regulating valve to the water supply".
Connection of the electric pump with regulating valve to the water supply
The connection of the electric pump with the regulating
valve, excluding the connection to the water supply, is
shown in the illustration.
For the water supply connection upstream of the
electric pump, refer to the other types of connections:
"Connection to the mains water supply", "Connection
to a supply tank", "Connection to an auxiliary pump
(force-feed)".
A) Pressure regulating valve
Alternatively, the regulating valve can be installed on
the opposite side of the electric pump's head.
B) Pressure gauge
C) Pressure damper
D) Nozzle
English
INSTALLATION INSTRUCTIONS
2) Adopt all the precautions described in the "General
guidelines on water supply connection" section.
The following is a simplified illustration of the layout for
connection with an auxiliary pump.
B
UN004326-GM
UN004327-GM
39
G
F
D
E
C
M
C
A
B
5
L
H
A
N
D
Use and Installation