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5. GENERAL VIEW AND INTERNAL UNIT HYDRAULIC DIAGRAM
23
21
Pi
fig. 4 - General view
TBH
ST
T5
AS
22
fig. 5 - Description of components - front view (without ref 21 and 23)
LEGEND ("fig. 4 - General view", "fig. 5 - Description of components - front view (without ref 21 and 23)", "fig. 6 - Indoor unit hydraulic diagram", "fig. 7
- Example diagram of the system"
6
Water drain
6a
DHW tank water drain
7
Water loading
9
DHW outlet
10
DHW inlet
13
DHW storage tank
17
Check valve
21
DHW expansion vessel (not supplied)
23
Expansion vessel
24
Water pressure gauge
36
Automatic air vent valve
42
Thermostatic mixer (not supplied)
43
Check valve (not supplied)
44
Shut-off valve
AS
Sacrificial anode
FL
Flow switch
underfloor heating, or for cooling and
NOTE
switch alarm and therefore the blocking the heat pump.
EN
88
13
TWin
T2
FL
SV1
T1
13
FL
Pi
14
Cod. 354M000010 - Rev. 03 - 06/2023
IBH
36
SP
TWout
21
heating without underfloor heating
G
Gas Line
L
Liquid Line
Pi
Water circulating pump
SP
Plate heat exchanger
SV1
Diverter valve
T1
Heat pump outlet water temperature probe
T1_c - Tn_c Cooling request room thermostat (not supplied)
T1_h - Tn_h Cooling request room thermostat (not supplied)
T2
Heat pump liquid coolant temperature probe
T2B
Heat pump refrigerant gas temperature probe
T5
DHW storage tank probe
-
TBH
DHW storage tank heating element
TW_in
Plate heat exchanger inlet water temperature probe
TW_out
Plate heat exchanger outlet water temperature probe
UI
Inside unit
UE
Outside unit
- - - -
Electrical connection
OMNIA SW-T 3.2
TW_out
SP
6
TW_in
T2B
23
T2
24
fig. 6 - Indoor unit hydraulic diagram
IBH
T1
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