Riello NexPro Plus, Руководство по установке и обслуживанию

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12
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
ID2
ID3
ID4 S01
S02
S04
S03 r8
UT
230V~50Hz AE
GND
r2
r3 r4
SCH
r1 r7
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
Digital inputs
Initials Description Status Default Notes
ID1 High pressure
1 open (alarm)
0 close
0 Connected
ID2 Low pressure 0 close 0
Preset only,
not avail-
able
ID3
Electrical heater
remote ON/OFF
1 enabled
0 standby
0 -
ID4
Unit remote ON/
OFF
1 standby
0 enabled
0 -
Analogue inputs
Initials Description Notes
S01 water temperature probe
Con-
nected
S02 outdoor air temperature probe
Con-
nected
S03 evaporator intake temperature probe
Con-
nected
S04 evaporator output temperature probe
Con-
nected
Relays output
Initials Description Status Default Note
r1
compressor igni-
tion enabling
1 enabled
0 disabled
1
Con-
nected
r2
electrical heater
ignition ena-
bling
1 enabled
0 disabled
1
Con-
nected
r3
fan ignition
enabling
1 enabled
0 disabled
1
Con-
nected
r4
solenoid valve
enabling
1 enabled
0 disabled
1
Con-
nected
Other digital outputs
Initials Description Status Default Notes
r7
volt-free contact
for boiler ena-
bling
1 enabled
0 disabled
0 -
r8
valve opening
steps
electronic
expansion
- -
Con-
nected
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.