Cascade Flues; Electrical Connections - Baxi LUNA DUO-TEC MP 1.90 Instructions Manual For Users And Installers

10.3 CASCADE FLUES

This type of duct evacuates the products of combustion of more than one boiler in a cascade connection through a shared fumes
and Ø200 mm. A range of accessories is available on request.
TABLE 1B
MAXIMUM NUMBER OF BOILERS
IN CASCADE CONNECTION
BOILER
MODEL
Ø160 mm
(250 kW Max)
1.90 2
1.110 2

11. ELECTRICAL CONNECTIONS

regulations. Connect the boiler to a 230V single-phase earthed power supply using the supplied three-pin cable, observing correct
Live-Neutral polarity.
and access terminal blocks
blowing fuses are incorporated in the power supply terminal block (to check and/or replace the fuse, pull out the black fuse carrier).
SEE WIRING DIAGRAM IN ANNEX "SECTION" B AT THE END OF THIS MANUAL
TERMINAL BLOCK M1
(L) (brown)
(N) Neutral (light blue).
Earth (yellow-green).
(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
is installed.
TERMINAL BLOCK M2
Remote Control (low voltage) supplied as an accessory.
an accessory)
plant, cascade system, zone system, etc.).
plant, cascade system, zone system, etc.).
storage boiler sensor connection.
not used.
7115213.01 (4-10/14)
Revs/min (rpm) at minimum
Ø200 mm
G20
(500 kW Max)
5 1450
4 1500
, used for the electrical connections, after removing the protective cover. The 3.15 A fast-
connection to the
External Probe connection (supplied as
2nd Auxiliary Probe (probes for solar
1st Auxiliary Probe (probes for solar
PARAMETER P60
Power
G31
1650
1500
30
2 cable with a maximum diameter of 8 mm.