ENG - Manual of installation, use and maintenance.
210-0352_libretto_WHC_ATI_eng.docx
28
Jan-19
Boiler probe 1 (SS1) 900-0107
Description: Probe that measures the water temperature of
the boiler (at the bottom).
Contacts: J50 Connector
Type: Lumberg 2.5 MSF 6-poles
Pin
3. GND
4.
Input signal
Voltage: Low (5 V
DC
)
Return probe (SR) 900-0107
Description: Probe that measures the water temperature of
the boiler (inlet).
Contacts: J50 Connector
Type: Lumberg 2.5 MSF 6-poles
Pin:
1. GND
2. Input signal
Voltage: Low (5 V
DC
)
Boiler probe 2 (SS2) 900-0100
Description: Probe that measures the water temperature of
the boiler (in the upper part).
Contacts: J29 Connector
Type: Lumberg 2.5 MSF 8-poles
Pin:
5. 5 VDC
6. Input signal
Voltage: Low (5 V
DC
)
Gas valve 230 VAC (VG) 900-0093
Description: Gas valve (230 V
AC
) with pneumatic control of
air-gas
mixing
.
Contacts: J60 Connector
Type: Stocko 2-poles
Pin:
1. Neutral
2. Live
Voltage: High (230 V
AC
)
Control board (LCD) 900-0101
Description:
Back-lighted LCD control board
to display
information and carry out any adjustment and setting with
pushbuttons.
Contacts: J14 Connector
Type: tray connector 14-poles
Voltage: Low (5 V
DC
)
Earthing 900-0104
Description: Earth connection (functional) of the board.
Contacts: J18 Connector
Type: Faston 6.3x0.8
