Accessories Not Included In The Supply - Baxi DUO-TEC Instruction Manual For Users And Fitters

11.2 ACCESSORIES NOT INCLUDED IN THE SUPPLY

11.2.1 EXTERNAL SENSOR
SETTING THE "Kt" CLIMATE CURVE
When the external sensor is connected to the boiler, the
according to the set Kt
pressing as indicated in the chart in annex SECTION
E for selecting the most appropriate one (00 to 90).
KEY TO CHART - "SECTION" E
11.2.2 EXTERNAL STORAGE BOILER
The boiler can be electrically connected to an external storage boiler. A diagram of the hydraulic connection of the external
by pressing .
IMPORTANT: set parameter P03 = 05 as described in section 14.
11.2.3 CONNECTING TO A ZONE SYSTEM
To use this function, install the programmable relay electronic board supplied as an accessory.
KEY TO ELECTRICAL CONNECTIONS (see diagram in annex "SECTION" G at the end of this manual).
Z Zone (1..n) EV Zone electrovalve
R Relay RT Room thermostat
ambient thermostats can be used to control the other zones.
SYSTEM CONNECTIONS
•
• Connect the Ambient Thermostat contact of the other zones to terminals 1-2 of terminal block M1 (CONNECTING THE
AMBIENT THERMOSTAT section).
Check that parameter P04=02. Set parameter P10 (SETTING PARAMETERS section).
4-5)
Outside temp
"SECTION" F. Connect the DHW priority sensor NTC to terminals 9-10 on terminal block M2.
M2
SIEMENS
QAC34
1
2
3
4
5
33
6
7
8
9
10
7733595 (01-05/19)
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