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INSTALLATION
9
The manufacturer will not be held responsible for any
damage caused by failure to earth the system or by abnormal
power supply.
Electrical connections to the control panels must be carried out
by specialised personnel.
2 . 7 . 1 Electronic board
ID1
ID3
ID2
ID4
230V~50Hz
AE
r2
SCH Electronic board
F
Live
N
Neutral
GND Earth/ground
UT
User interface
AE
Preset for electronic anode; connect to phase (FA) and
neutral (NA) terminals to power the electronic anode
(not supplied) with 230/1/50
S02
S03
r8
S01
S04
UT
SCH
r1
r7
r3
r4
Digital inputs
Initials Description
ID1
High pressure
ID2
Low pressure
Electrical heater
ID3
remote ON/OFF
Unit remote ON/
ID4
OFF
Analogue inputs
Initials Description
S01
water temperature probe
S02
outdoor air temperature probe
S03
evaporator intake temperature probe
S04
evaporator output temperature probe
Relays output
Initials Description
compressor igni-
r1
tion enabling
electrical heater
r2
ignition ena-
bling
fan ignition
r3
enabling
solenoid valve
r4
enabling
Other digital outputs
Initials Description
volt-free contact
r7
for boiler ena-
bling
valve opening
steps
r8
electronic
expansion
2 .8 Filling of the accumulation tank
To fill the accumulation tank of the unit:
− open the domestic hot water tap
− open the shut-off valve or the tap of domestic cold water,
located on the safety unit. Check that the drain valve of
the assembly is in closed position
When the water flows through the hot water tap, the unit is full.
Close the hot water tap.
2 . 9 Controls before start-up
Before starting the unit, check:
− the correct connection of the ground wire.
− the presence of electrical protections
− that safety devices operate correctly
− that the system has been correctly filled.
12
Status
Default
1 open (alarm)
0
Connected
0 close
Preset only,
0 close
0
not avail-
1 enabled
0
0 standby
1 standby
0
0 enabled
Status
Default
1 enabled
1
0 disabled
1 enabled
1
0 disabled
1 enabled
1
0 disabled
1 enabled
1
0 disabled
Status
Default
1 enabled
0
0 disabled
-
-
Notes
able
-
-
Notes
Con-
nected
Con-
nected
Con-
nected
Con-
nected
Note
Con-
nected
Con-
nected
Con-
nected
Con-
nected
Notes
-
Con-
nected
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