39
SETUP OF THE SYSTEM
OFF ON
1 2 3 4 1 2 3 4
S1 S2
The DIP switch are located on the hydraulic module control board inside the unit's electrical panel (for more details see also
MAINTENANCE AND SAFETY section). These allow you to specify whether the system includes the electric booster (IBH), the
boiler (AHS).
Switch off the power supply before opening the switch box service panel and making any changes to the
DIP switch settings.
WARNING
DIP SWITCH Description ON OFF
S1 (1) Set always OFF 50m 5m
S1 (2) Set always OFF Installed Installed
S1 (3) Electrical booster (IBH1-first stage) (OFF if installed) Not installed Installed
S1 (4) Electrical booster (IBH2-second stage) (OFF if installed) Not installed Installed
S2 (1)
Temperature probe (necessary if AHS-gas boiler is instal-
led, in this case set ON)
Installed Not installed
S2 (2) Set always OFF
//
S2 (3) Set always OFF
//
S2 (4) Set always OFF
//
3
2
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8
11
9
10
12
13
14
23
24
25
26
27
151718 1619202122
PCB-1 - Internal unit electronic board
-
Descrizione
1
Input port for solar energy(CN5)
2
Output port for transformer(CN4)
3
Power supply port for user interface(CN36)
4
Port for remote switch(CN12)
5
Port for flow switch(CN8)
6
Communicate port between door PCB
B and door PCB(CN14)
7
Communicate port between door PCB
and user interface(CN19)
8
Port for temperature sensors(TW_out,
TW_in, T1, T2,T2B )(CN6)
9
Port for temperature sensor(CN13)
10
Port for temperature sensor(T1B, the
final outlet temp.)(CN15)
11
Digital displays(DIS1)
12
Check button(SW4)
13
DIP switch(S1,S2)
14
output port for deforst(CN34)
-
Descrizione
15
Port for anti-freeze eletric heating tape (internal)(CN40)
16
Port for anti-freeze eletric heating tape (internal)(CN41)
17
Output port for external heating source
/ operation output port(CN25)
18
Port for anti-freeze eletric heating tape(external) /port for
solar energy pump/output port for remote alarm(CN27)
19
Port for external circulted pump/pipe pump/
mix pump/2-way valve SV2(CN37)
20
Port for SV1(3-way valve) and SV3(CN24)
21
Port for internal pump(CN28)
22
Input port for transformer(CN20)
23
Feedback port for temperature switch(CN1)
24
Port for power supply(CN21)
25
Feedback port for external temp.
switch(shorted in default)(CN2)
26
Control port backup heater/booster heater(CN22)
27
Control port for room thermostat(CN3)
NP: Not present, P: Present
FACTORY DIP SWITCH SETTING
INDOOR UNIT
TYPE
Electrical booster S1 (3) S1 (4)
OMNIA-UI H NP
ON
ON
OMNIA-UI HI P OFF OFF
fi g. 1
Electronic board's DIP switch settings of the of the indoor unit
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