Hydraulic Diagrams - Beretta Power X 35 Installation Manual

3 9 Hydraulic diagrams

SINGLE BOILER INSTALLATION
Water circuit schemes legend
1 Heat generator
2 Fuel shut-off valve probe pit
Lockout thermostat with manual reset,
3
INAIL certified [100(0-6°C)]
4 Sump for test thermometer
Thermometer, INAIL certified (scale
5
from 0 to 120°C)
6 Safety valve, INAIL certified (3.5 bar)
Lockout pressure switch with manual
7
reset, INAIL certified
3-way valve with pressure gauge hold-
8 er and test flange for sample pressure
gauge
9 Bypass damper coil
Pressure gauge, INAIL certified (scale
10
from 0 to 6 bar)
Fuel shut-off valve, INAIL certified
11 (calibrated to 97°C) - capillary probe
length 5m
12 Expansion tank opening
13 Return line shut-off valve
14 3-way delivery line shut-off valve
3-way storage tank connection valve
15
(*)
Storage tank delivery line "T" connec-
16
tion
17 Hydraulic separator
18 Gas cock
19 Check valve
Not necessary for the R.S.I. version
(*)
b
In the case of outdoor installation, it is recommended
to insulate the piping and protect the kits from the
atmospheric agents, based on their electrical protec-
tion ratings.
b
For the electrical connection of the INAIL certified
pressure switch and safety thermostat, follow the in-
dications provided in the following scheme.
C 2 LINE
L
SAFETY SAFETY
THERMOSTAT PRESSURE
SWITCH
N
kit D
kit E
kit E
kit E
kit E
kit E
kit E
kit E
kit E
kit D
kit C
kit C
kit C
kit B
kit B
kit A
kit C
MOTOR
BOILER
C
Fig. 14
19 13
C
11 12
D
12
B
15
A
17
F
19
13
B
15
A
17
water separator kit
A
3-way valve kit for storage tank
B
INAIL connection kit
C
fuel shut-off valve kit
D
INAIL kit
E
system shut-off valves kit
F
ENGLISH
E
14
10
9
8
7
3
6
5
4
16
13
16
53
Fig. 15