8
COSMOGAS
Ecotower
3 - HYDRAULIC CONNECTIONS
Figure 3-1 - Main components and connection diameters of the GB unit
(*) Digital thermostat = Electrical heaters limit thermostat: activating it allows the operation of the integrative electrical heaters
(“33” of Figure 5-3) inside the appliance. For the use of this thermostat, refer to section 7.2.
2
1
7
5
6
3
4
17
8
9
10
13
11
14
16
15
18
12
7
20
21
Legend of Figure 3-1:
1 - Safety kit connection fitting
(G 1” male)
2 - Handle
3 - Control panel
4 - Digital thermostat (*)
5 - Decorative front panel
6 - Front panel
7 - Safety kit (supplied with the accessories)
(G1” female)
8 - Buffer tank cold water inlet (G1” male)
9 - Filling cold water inlet
(G3/4” male)
10 - Domestic hot water outlet (G1” male)
11/12 - Refrigerant connections:
- model 6 kW: 1/4” and 1/2”;
- model 9 kW: 3/8” and 1/2”;
- model 13 kW: 3/8” and 8/8”;
13 - Support base of refrigerant connections
14 - Cable gland
15 - Heating/cooling water inlet (G1” male)
16 - Heating/cooling water outlet (G1” male)
17 - L type 1 decorative panel in back side (section 2.2)
18 - Refrigerant circuit filling fitting (1/4” SAE)
20 - L type 2 decorative panel in back side (section 2.2)
21 - Expansion tank
