18
COSMOGAS
Ecotwin
5 - OPERATION
Figure 5-6 - Hydraulic diagram with one heating/cooling circuit, DHW and a buffer tank
LEGEND of Figure 5-6 and 5-7:
1 - Main electrical supply
2 - Internal electrical resistance (3 kW)
3 - Electrical supply (Max 10A)
4 - Electrical supply (Max 10A)
6 - Pump P1
9 - DHW electrical resistance
10 - Outdoor unit
11 - Heating electrical resistance
13 - Modbus communication
17 - Cooling demand
18 - Heating demand
20 - Circuit 1 temperature sensor (TV1)
22 - Room temperature sensor (Tr)
23 - Heating/Cooling thermoregulation sensor (Tc)
24 - DHW temperature sensor (Tw)
27 - Filter
29 - Solar (optional)
30 - Domestic cold water
31 - Cooling/heating system
32 - DHW buffer tank
33 - Auxiliary heat exchanger for solar or other
36 - Heating/cooling Buffer tank
40 - Outdoor unit power supply
43 - Drain valve
53 - Indoor unit
5.4 - Ecotwin with one heating/cooling circuit, DHW and a buffer tank