To carry out this operation, proceed as described here:
• Remove the front panel boiler;
• Turn the control box downwards and get to the terminal board M2 by taking off the protective cover;
• Insert the cable guide-clamp into the boiler crosspiece;
• Connect the NTC priority sensor on the Combi unit to the terminal board M2 (follow the instructions given in the boiler
manual).
BOILER TERMINAL BOARD M2
THROUGH THE CABLE GUIDE-CLAMP
OF THE BOILER CROSSPIECE
Figure 3: Domestic hot water priority sensor connection
SUPPLEMENTARY INSTRUCTIONS
FOR THE INSTALLER
5. HEATER SENSOR CONNECTION
M2
1
2
3
4
5
6
7
8
9
10
HEATER SENSOR CABLE
PASS THE CABLE
23
7689373.01 - en