5
Giacomini S.p.A.
Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia
+39 0322 923372 - giacomini.com
Components
PRIM
AR
Y CIRCUI
T
1
Filter
2
Probe housing for thermal energy meter
3
Probe housing for differential pressure control valve
4
Mechanical priority valve
5
Manual air vent valve
6
Brass spacer for thermal energy meter
7
Compact differential pressure control valve (GE556Y530 kit)
or double regulation differential pressure control valve (GE556Y532 kit)
8
System drain cock, filling unit connection or pressure probe connection
(OPTIONAL)
DOMESTIC W
ATER PRIM
AR
Y AND SECOND
AR
Y CIRCUI
T
9
Thermostatic by-pass kit (OPTIONAL)
10
Thermostatic head for temperature control of domestic water circuit
11
Heat exchanger
12
Brass spacer for domestic cold water meter (DCW)
13
System drain cock, filling unit connection or pressure probe connection
(OPTIONAL)
14
Flow rate controller
15
Brass spacer for domestic hot water meter (DHW)
16a
Water hammer arrestor
16b
Domestic water recirculation kit with circulator (kit GE556Y564)
or without circulator (kit GE556Y565) (OPTIONALS)
17
Check valve
18
Check valve
HIGH-TEMP
. HEA
TING
SECOND
AR
Y CIRCUI
T
19
Presetting valve (kit GE556Y544)
20
System drain cock, filling unit connection or pressure probe connection
(OPTIONAL)
OTHER COMPONEN
TS
21
Metal template
22
Shut-off valves for HIU installation
23
Cabinet with electric connection terminals
24
Metal frame
25
Insulation (OPTIONAL)
HYDRA
ULIC CONNEC
TIONS
A
Domestic cold water outlet
B
Domestic cold water inlet
C
Domestic hot water outlet
D
Primary inlet
E
Primary outlet
F
High-temperature heating delivery
G
High-temperature heating return
H
Domestic hot water recirculation
1
5
9
14
10
11
24
25
18
12
16b
17
22
15
13
6
2
3
4
19
20
21
7
8
23
B
D
C
A
E
F
G
H
1
5
9
14
10
11
24
25
18
12
16a
22
15
13
6
2
3
4
19
20
21
7
8
23
B
C
A
F
D
G
E
1
5
9
14
10
11
24
25
18
12
16b
17
22
15
13
6
2
3
4
19
20
21
7
8
23
B
D
C
A
E
F
G
H
1
5
9
14
10
11
24
25
18
12
16a
22
15
13
6
2
3
4
19
20
21
7
8
23
B
C
A
F
D
G
E