15
Ecotower
COSMOGAS
LEGEND of Figure 5-3:
1 - Main electrical supply (model 6 = 2,5 kW, model 9 = 3,9
kW, model 13 = 4,3 kW).
7 - Outdoor unit
8 - Modbus communication
19 - Indoor unit
20 - DHW integrative electrical heater (1,5 kW) (section
8.2.10.2)
21 - Electrical supply for outdoor unit
22 - Safety kit (hydrometer, safety valve and automatic air vent
valve) (supplied with accessories)
23 - Domestic hot water outlet
24 - Cold water inlet
25 - Heating/cooling system filling
26 - Plate heat exchanger
Figure 5-3 - ECOTOWER Hydraulic diagram
5 - OPERATION
27 - Pump P0 (inside the unit)
29 - 3-way diverter valve buffer tank/system
30 - Heating/cooling water supply
31 - DHW buffer tank
32 - Heating/cooling water return
33 - Heating integrative electrical heater (3 kW) and integrative
electrical heater (3kW) inside the heat pump (section 8.2.10.1)
37 - Drain valve
44 - Pressure safety relief valve (supplied with accessories)
(section 6.11.1)
