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6. 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
A
Heating / cooling system
B
Hydraulic network
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
(*)
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.
Notes
Ref
-
7
-
8
-
9
-
11
(**)
12
(**)
13
(**)
14
Buffer tank WHPF 25-50-100 PU
(**)
15
22
Description
Freeze protection valve
1" F-F sleeves
1" F-F Y-shaped filter
1.5 kW resistor
1" ¼ - 1" M-M fitting
Bleed valve
System discharge cock.
Extra CH expansion tank
Notes
(****)
(**)
(**)
(**)
(**)
(***)
(**)
(**)
(***)
15
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