Ferroli OMNIA ST 3.2 Manual De Instalación, Uso Y Mantenimiento página 101

OMNIA ST 3.2
Order Port Code
1
2
3
4
5
22 CN30
6
7
8
9
10
26
30
31
32
23 CN7
25
29
27
28
1
2
3
4
15
5
6
16
7
8
17
9
21
24 CN11
10
22
11
23
12
24
13
16
14
17
18
19
20
25 CN2 TBH_FB
26 CN1 IBH1/2_FB
IBH1
27 CN22 IBH2
TBH
28 CN41 HEAT8
29 CN40 HEAT7
30 CN42 HEAT6
31 CN29 HEAT5
NOTES:
A:
With accessory Temperature Probe. All these temp. probes can be used or not as a function of the type of the plant served by the unit.
B: Internal connections, it means that these terminals are used for the management of the indoor unit.
1: Dry contact without voltage.
2: Port provide 220-240VAC voltage. If the current of load is <0.2A, load can connect to the port directly. If the current of load is >=0.2A, the AC contactor is required to supply for the load.
Voltage
Maximum running current (A)
Wiring size (mm )
2
Connect the cable to the appropriate terminals as shown in the following pictures.
Fix the cable reliably and provide to pass the cable through the appropriate cable gland (refer to "dimensional data and connections" on page 87.
A
B
X
Reserved
Y
E
P
Q 3 Wires for connection with outdoor unit
E
H1
Reserved
H2
R2
Compressor run (the contact is closed when the compresor is working)
R1
DFT2
Defrost run (the contact is closed when the defrost is active)
DFT1
HT
Reserved
N
AHS1
Gas boiler (the contact is closed when the gas boiler is request)
AHS2
SL1
Reserved
SL2
H
C Room thermostat input (high voltage)
L1
1ON
1OFF SV1 (3-way diverter valve) plant / DHW
N
2ON
2OFF SV2 (3-way valve) heat / cool
N
P_c
Zone2 pump
N
P_o
Outside circulation pump / zone 1 pump
N
P_s
Solar panel pump
N
P_d
DHW boiler recirculation pump
N
TBH
DHW electric heater
N
IBH1
Internal backup heater 1
N
N
3ON SV3 mixing (3-way valve zone 2)
3OFF
Port for automatic circ. breaker of TBH (shorted in default)
Port for automatic circ. breaker of IBH (shorted in default)
Control port for internal backup heater 1
Reserved
Control port for DHW boiler electrical heater
Reserved
Reserved
Reserved
Reserved
220-240VAC
0.2
0.75
Cod. 3541V991 - Rev. 00 - 09/2021
Assembly unit Note
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1
1
2
1
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2
B
2
2
2
2
2
2
B
2
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101
EN