Electrical Connections; Connecting The Room Thermostat - Baxi DUO-TEC Instruction Manual For Users And Fitters

11. ELECTRICAL CONNECTIONS

Live-Neutral polarity.
Use a double-pole switch with a contact separation of at least 3 mm.
SEE WIRING DIAGRAM IN ANNEX "SECTION" B AT THE END OF THIS MANUAL.
Make sure that the overall rated power input of the accessories connected to the appliance is less than 2A. If it is higher, install
a relay between the accessories and the electronic board.
TERMINAL BLOCK M1
(L) Live
(N) Neutral (light blue).
Earth
(1) (2) Room Thermostat.
Put back the jumper on terminals 1-2 of boiler terminal
block M1 if the room thermostat is not used or if the
Remote Control, supplied as an accessory, is not
installed.
TERMINAL BLOCK M2
Terminals 1 - 2:
Terminals 4 - 5 (common): external Probe connection (supplied as an accessory)
Terminals 3-6-7-8: not used.
Terminals 9-10: storage boiler sensor connection.
Use the relative cable grommets at the bottom of the boiler to thread the cables through to the terminal blocks.

11.1 CONNECTING THE ROOM THERMOSTAT

The connections in terminal block M1 are high voltage (230 V). Before making connections, make sure the appliance is
disconnected from the power supply. Respect polarity L (LIVE) - N (NEUTRAL).
•
• access the terminal block M1
• remove the jumper from the ends of contacts 1-2
•
7733595 (01-05/19)
2
1
2
M2
3
4
5
6
7
8
9
10
L
N
M1
1
2
32
CG_2394