Typical Water System Schematics - Beretta POWER MAX Installation And Operation Manual

2.8 Typical water system schematics

Layout 1: circuit with thermal module directly linked to heating system (check that the pump's discharge head is sufficient to
ensure adequate circulation)
Layout 2: circuit with thermal module directly linked to heating system and DHW tank. (check that the pump's discharge head is
sufficient to ensure adequate circulation)
SE
20
13
1
10 9
EAF
Isolating valve
1
Non-return valve
2
Anti-scald mixer valve
3
Expansion tank
4
Safety valve
5
Drain
6
Pressure gauge
7
Pressure switch
8
Water softener filter
9
Pressure reducer
10
b
Domestic hot water and central heating circuits must be completed with expansion vessels of adequate capacity and suitable, correct-
ly-sized safety valves. The discharge of safety valves and appliances must be connected to a suitable collection and disposal system
(see Catalogue for compatible accessories).
b
The choice of system components and the method of their installation are left up to the heating engineer installing the system. Installers
must use their expertise to ensure proper installation and functioning in conformity to all applicable legislation.
b
Special supply/refill water must be conditioned using suitable treatment systems.
a
It is prohibited to operate the thermal module without water.
SE
1
10 9
EAF
5
6
7
8
1
12
4
13
5
6
7
8
4
1
5
6
MI
2 1
1
RI
1
6
Storage cylinder
11
Diverter valve
12
Pump (fitted as standard for models
13
POWER MAX 50 P DEP and POWER
MAX 80 P)
MI
2 1
RI
1
1
3
UAC
4
11
9 10
M 2
1
1
Outdoor sensor
SE
High temperature sys-
MI
tem flow
High temperature sys-
RI
tem return
Domestic cold water
EAF
inlet
Domestic hot water
UAC
outlet
5
6
1
EAF