SUPPLEMENTARY INSTRUCTIONS
FOR THE INSTALLER
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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).
5. HEATER SENSOR CONNECTION
Figure 3: Domestic hot water priority sensor connection
HEATER SENSOR CABLE
BOILER TERMINAL BOARD M2
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M2
1
9
8
7
6
5
4
3
2
10
PASS THE CABLE
THROUGH THE CABLE GUIDE-CLAMP
OF THE BOILER CROSSPIECE