10
COSMOGAS
Ecotower
4 - MAIN COMPONENTS
Figure 4-1 - GB unit internal components
1 - Front panel
2 - Control panel
3 - Digital thermostat
4 - 24 Volt power supply
5 - Relay (No. of pieces = 3)
6 -
Control board
7 - Refrigerant expansion tank (STM 06/09)
8 - Buffer tank electrical heater (1,5 kW)
9 - Water flow switch
10 - Plate heat exchanger
11 - Mechanical thermostat
12 - High limit temperature protection (N. of pieces = 3)
13 - 6 kW electrical heater (3+3 kW)
14 - Pump P0
15 - 3-way valve
16 - Safety kit (section 2.2)
17 - Buffer tank
18 - 5 L expansion tank
19 - 3 sensors:
- buffer tank temperature;
- water inlet temperature;
- water outlet temperature;
20 - Room temperature sensor (Tr) (section 2.2)
21 - Heating/cooling temperature sensor (Tc) (section 2.2)
22 - DHW temperature sensor (Tw) (section 2.2)
23 -
TV1 temperature sensor
24 -
TV2 temperature sensor
25 - Refrigerant connection
26 - Refrigerant connection
27 - Filling refrigerant connection
29 - Terminals
