16
7. BLOCK DIAGRAM
The diagrams shown should be considered purely indicative in order to describe the operating logic. They do not replace the system
diagrams required for component installation.
Ref
Description
Notes
A
Heating / cooling system
-
B
Hydraulic network
-
C
Recirculation
-
1
Heat pump
-
2
Control panel - user interface
-
3
Remotely connectable external probe
(**)
4
1” M-M fittings
(**)
5
1” F-F flexible hoses
(**)
6
1“ M-F taps
(**)
7
Freeze protection valve
(****)
8
1” F-F sleeves
(**)
9
1” F-F Y-shaped filter
(**)
10
Three-way deviating valve
(**)
Ref
Description
Notes
12
1” ¼ - 1” M-M fitting
(**)
13
Bleed valve
(***)
16
Heating element
(**)
17
WHDHP SSH storage tank
(**)
18
½ “ tap
(***)
19
Probe
(**)
20
Safety valve.
(***)
21
DHW expansion vessel
(***)
22
Extra CH expansion tank
(***)
(*)
(**)
(***)
(****)
Included in the heat pump supply
Extra accessory
Not included in extra Fondital accessories
To be used if no glycol solution is added to the system water. Does not protect the heat pump in case of power failure.