103
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Standard schemes
Scheme
Boiler group
Distribution group
4
6LQJOHERLOHURUFDVFDGH
'+:WDQNGRZQVWUHDP
hydraulic separator
• From 1 to 3 mixing zone
Name and Description
ECU I/O
Note
Outdoor sensor
NTC4
Boiler pump (230 V)
P1
Boiler pump (PWM)
PWM_P1
%RLOHUÀRZVHQVRU
NTC1
Boiler return sensor
NTC2
'+:WDQNVHQVRU
NTC3
DHW pump
P2
T10
MTS1
HC1 pump
VFR1
See note *1
System pump*
MO1_HV
Heat request zone 1
PADIN1 or EBUS2
Alarm or sanitary pump
VFR1
2SWLRQDOVHHQRWH
LPG/ Room supply Fan
VFR3
Optional
Note:
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+&SXPSPXVWEHFRQQHFWHGWR3B=RI&RQWUROOHGZLWK&/,3=21(0,;&/,3=21(0,;LVQHHGHG
*System pump: optional electrical connection. To use depending on application.