Riello RESIDENCE HM Series Instructions For The User page 77

9.3 Installation template and hydraulic connections •
3/4" 1/2"
A
A
safety valve and
EN
siphon drain
scurgere sifon si supapa de
RO
siguranta
EL
6 7
5
14
4
3
2
1
M AC
3/4" 1/2" 3/4"
B
system drain tap
robinet de scurgere a sistemului
8
9
10
16
15
18
19
17
20
AF R
B
EN RO
TIGHTENING CUPLUL DE
TORQUE STRINGERE
[EN] - Hydraulic circuit
9.4
AC Hot water
AF Cold water
M Heating delivery
R Heating return
1 Filling tap
2 Safety valve
3 Three-way valve
4 Pressure transducer
5 Automatic by-pass
6 Delivery probe
7 Limit thermostat
8 Primary heat exchanger
9 Return probe
10 Lower air vent valve
11 Expansion vessel
12 Circulator
13 System drain tap
14 Non-return valve
15 DHW heat exchanger
16 Hydrometer
17 DHW probe
11
18 Flow rate limiter
19 Flow meter
20
12
13
[EL] -
AC
AF
M
R
1
2
3
4
5
6
7
8
9
10
77
•
EL
Ø 3/4" 35Nm
Ø 1/2" 25Nm
[RO] - Circuit hidraulic
Robinet de umplere
Traductor presiune
By-pass automat
Vas de expansiune
Robinet de golire
Hidrometru
Limitator de debit
Debitmetru
Filtru ACM
11
12
13
14
15
16
17
18
19
20