Baxi Duo-tec - External Sensor Connection; External Storage Boiler Connection; Connecting to a Zone System

33
I N S TA L L E R S e c t i o n ( e n )
7733595 (01-05/19)
11.2 ACCESSORIES NOT INCLUDED IN THE SUPPLY
11.2.1 EXTERNAL SENSOR
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DQGWKHLQVWUXFWLRQVVXSSOLHGZLWKWKHVHQVRU
SETTING THE "Kt" CLIMATE CURVE
When the external sensor is connected to the boiler, the
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according to the set KtFRHႈFLHQW6HOHFWWKHUHTXLUHGFXUYHE\
pressing
as indicated in the chart in annex SECTION
E for selecting the most appropriate one (00 to 90).
KEY TO CHART - “SECTION” E
)ORZWHPS Outside temp
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
VWRUDJHERLOHULVVKRZQLQDQQH["SECTION" F. Connect the DHW priority sensor NTC to terminals 9-10 on terminal block M2.
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H[FKDQJHFDSDFLW\RIWKHVWRUDJHERLOHUFRLOLVDSSURSULDWHIRUWKHSRZHURIWKHERLOHU$GMXVW'+:WHPSHUDWXUH&&
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
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ambient thermostats can be used to control the other zones.
SYSTEM CONNECTIONS
• &RQQHFWWKH]RQHYDOYHSXPSWRWHUPLQDOVRIWKHUHOD\ERDUGWHUPLQDOEORFNLQVLGHWKHERLOHUFRQWUROER[
• 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).
SIEMENS
QAC34
1
9
8
7
6
5
4
3
2
10
M2
CG_2394