Connection With Puffer Tank In Series - COSMOGAS FRYO-6PI Instructions For Installation, Use And Maintenance Manual

4 - FUNCTION OVERVIEW

4.2.2 - Connection with puffer tank in series

LEGEND of Figure 4-3:
1 - Heat pump
2 - Filter
3 - Pressure safety valve
4 - Pressure meter gauge
6 - Puffer tank
10 - System filling water inlet
11 - Non-return valve
12 - Heating / cooling supply manifold
13 - Heating / cooling return manifold
17 - Integrative electrical resistance (optional)
18 - Expansion tank
40 - E/I = Summer / winter diverter (to be provided if the machine is both heating and cooling).
41 - TA = RT Room Temperature

No settings need to be changed for operation with this diagram. Connect any additional Integrative electrical resistance
(17) with the interposition of a relay suitable for the electrical absorption of the installed resistance (see section 5.7.3).
The resistance must be connected to the "SH" and "N" terminals (Figure 5-10). The maximum applicable current is 2A.

Items "2" to "18" must be field supplied.
Figure 4-3 - Hydraulic diagram with puffer tank in series
COSMOGAS
13
FRYO PI