64
IT
Cod. 3541V991 - Rev. 06 - 10/2022
OMNIA ST 3.2
13.2.2 Schema elettrico per unità interna mod. 16T (3ph)
1
L1 L2 L3 N
2 3 4
L1-B
L1-A
L2-A
L3-A
N-A
N-C
PWM
L1-C
N
BLACK
BLU
WHITE
R1
IBH1
F
NL1
L1-D
IBH1
CB
DISPLAY
(wired controller)
C-DISPLAY
CB
LPS
Circuit Breaker must be installed
to the Power Supply of the unit.
Leakage Protection Switch
must be installed to the
Power Supply of the unit.
25 °C
45 °C
L1-B
L2-A
L2-B
N-a
IBH1-a
R2
IBH1
L3-B
T1
T2
T3
1
2
3
TH IBH1
IBH
VALVES PUMPS
Probe
S
ST
T5
Supplied and
connected by
installer
Supplied and already
connected
Unit type
Tbt
Ta
Tw2
Tsolar
Accessory
Accessory
Accessory
Accessory
Accessory
Accessory
Accessory
Accessory
L3-A
E
8
E
12 34
Modbus
BMS
A B E
To outdoor
unit
EP Q
N
TBH
N-F
L1-F
L1-E N-E
R1
TBH
TBH
TH TBH
Accessory DHW boiler electrical heater