Heat Pump Hydronic Board - Ferroli OMNIA S HYBRID H 3.2 Installation, Use & Maintenance Manual

7.9.4 Heat pump hydronic board

1 2
SL1 SL2
13 14
TBH IBH1
Ref. Port Code
1 CN21 POWER
2 S3 /
3 DIS1 /
4 CN5 GND
5 CN28 PUMP
6 CN25 DEBUG
7 S1, S2, S4 /
8 CN4 USB
9 CN8 FS
T2
T2B
10 CN6 TW_in
TW_out
T1
11 CN24 Tbt1
12 CN16 Tbt2
13 CN13 T5
14 CN15 Tw2
15 CN18 Tsolar
16 CN17 PUMP_BP
HT
17 CN31 COM
CL
SG
18 CN35
EVU
M1 M2
19 CN36
T1 T2
20 CN19 P Q
21 CN14 A B X Y E
44
EN
8
3 4 5 6 7 9
H C P_c P_o P_s P_d
2ON
1ON 2OFF
1OFF
16
15 17 18 19 20 21
L1 N
N N 3ON
3OFF
CN11
fig. 34 - Detail of heat pump hydronic board
Power supply to the hydronic board
Rotary dip switch
Digital display
From ground to hydronic board
Pi indoor water pump power supply
Port for IC programming
Dip switch
Port for USB programming
Connection to the indoor water flow switch
Port for temperature probe on liquid refrigerant side of the indoor unit (heating mode)
Port for temperature probe on gas refrigerant side of the indoor unit (heating mode)
Port for temperature probe of inlet water of plate exchanger
Port for temperature probe of outlet water of plate exchanger
Port for final temperature probe of outlet water from indoor unit
Port for water temperature probe in system tank
Reserved
Port for temperature probe in DHW heater
Port for water temperature probe sent to zone 2
Port for solar panel temp. sensor
PWM signal to Pi indoor unit water pump
Control port for room thermostat (heating mode)
Power supply port for room thermostat
Control port for room thermostat (cooling mode)
Port for smart grid (mains signal)
Port for smart grid (photovoltaic signal)
Reserved
Reserved
Reserved
Communication port with display panel
Cod. 3542B230 - Rev. 00 - 02/2022
OMNIA S HYBRID H 3.2
10 11 12
25 26 27
AHS1
HT R2
22 2 3 2 4
29
30 31
N N N N
R1 DFT2
N
CN7
Description
28
1 2 3 4 5
AHS2
A B X Y E
32
6 7 8 9 10
DFT1
P Q E H1 H2
CN30
NOTE
B
/
/
B
B
/
/
/
/
B
B
B
B
B
A
/
A
A
A
B
1
1
1
1
1
/
/
/
B