Indoor Unit; Refrigerant Diagram - Ferroli OMNIA ST 3.2 Handbuch Für Installation, Betrieb Und Wartung

OMNIA ST 3.2

13. REFRIGERANT DIAGRAM

HP
LP
LEGEND
OUTDOOR UNIT
E1 Compressor
E2 4-Way Valve
E3 Gas-liquid separator
E4
Air side heat exchanger
E5 Electronic expansion Valve
E6 Single-way electromagnetic valve
E7 Filter
E8
Discharge temperature sensor
E9 Outdoor temperature sensor
E10 Outdoor exchanger sensor
E11 Stop valve (gas)
E12 Stop valve (liquid)
E13
High Pressure Switch
E14 Low Pressure Switch
E15 Pressure sensor
E16 Capillary
E17
Suction temperature sensor
Outdoor unit
fig. 42 -
Cod. 3541V991 - Rev. 05 - 06/2022
Cooling
Heating

INDOOR UNIT

3 DHW recirculation pipe
6 Water drain Valve
7 Water fill Valve
8
Plant outlet
9 DHW outlet
10 DHW inlet
11 Plant inlet
13
DHW boiler
13.1 Electrical Heater DHW boiler (accessory)
14 Safety valve
17 Check valve
21 DHW Expansion Vessel (accessory)
22
DHW safety valve
36 Automatic air vent
56 Expansion vessel
145 Water pressure gauge
FL
Flow switch
G Gas line
IBH System electrical heater
L Liquid line
MG
Multifunction group
Pi Water circulator
SP Plate heat exchanger
SV1 Diverter valve
T1
Heat pump outlet water temperature probe
T2 Heat pump liquid refrigerant temperature probe
T2B Heat pump gas refrigerant temperature probe
TW_in Plate heat exchanger water inlet temperature probe
TW_out Plate heat exchanger water outlet temperature probe
TW_out
T2B
IBH
SP
T2
TW_in
T1
145
21
Indoor unit
131
EN