4
Giacomini S.p.A.
Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia
+39 0322 923372 - giacomini.com
Example 1
The HIU shown includes the following components:
GE556Y5
0
3: primary connections from bottom
GE556Y5
1
6: 36-plate exc 20 mm insulation
GE556Y5
2
2: domestic hot water production with thermostatic control
GE556Y5
3
1: primary circuit connections without controls
GE556Y5
4
4: secondary circuit, direct heating with presetting valve and
thermo-electric actuator installed
GE551Y088: lowered template with 6 shut-off valves, for HIU GE556Y503
or GE556Y504
Example 2
The HIU shown includes the following components:
GE556Y5
0
3: primary connections from bottom
GE556Y5
1
6: 36-plate exc 20 mm insulation
GE556Y5
2
2: domestic hot water production with thermostatic control
GE556Y5
3
1: primary circuit connections without controls
GE556Y5
4
4: secondary circuit, direct heating with presetting valve and
thermo-electric actuator installed
GE556Y5
5
2: insulation
GE556Y5
6
1: unit output for additional DCW outlet
GE551Y087: template with 6 shut-off valves, for HIU GE556Y503 or
GE556Y504 including insulation GE556Y552
GE500Y258: additional valve for domestic cold water to be installed on
template when optional kit GE556Y561 is included
Examples of possible layouts
NOTA.
For the realization of the purchase code of the desired configuration, refer to our sales back office.
- SM556Y30417:
GE5 GE5 GE5 GE5 GE556Y544 (template to be ordered separately)
- SM556Y30441:
GE5 GE5 GE5 GE5 GE5 GE5 GE556Y561 (template and additional valve to be ordered separately)
Completion codes
GE551Y087
Template with 6 shut-off valves,
for GE556Y503 or GE556Y504 HIU
including insulation GE556Y552
GE551Y088
Lowered template with 6 shut-off valves,
for GE556Y503 or GE556Y504 HIU
without insulation
GE500Y258
Additional DCW valve,
for installation on template with
GE556Y561 optional kit
GE551Y184
HIU locking metal cover,
for HIU GE551Y087 with template only
R473 / R473M
Thermo-electric actuator normally closed
to control presetting valve included
with kit GE556Y544
R473X221:
230 V
R473X222:
24 V
R473MX221:
230 V
R473MX222:
24 V
GE552
Thermal energy meter
GE552Y159:
3/4”, volumetric, 1,5 m
3
/h, M-Bus
GE552Y216:
3/4”, volumetric, 1,5 m
3
/h, M-Bus,
with Wireless M-Bus predisposition
GE552Y122
3/4”, ultrasonic, 1,5 m
3
/h, M-Bus
GE552-2
Domestic water meter
GE552Y190:
3/4”, domestic cold water,
to be ordered separately if GE556Y561
additional unit output is present
GE552Y191:
3/4”, domestic hot water
