105
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Standard schemes
Scheme
Boiler group
Distribution group
3
Single boiler or cascade
One or multiple mixing zones
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
T10
MTS1
HC1 pump
P_Z1
Controlled with
CLIP 3 ZONE MIX.
CLIP 3 ZONE MIX needed!
HC1 mix valve
MV_Z1
+&ÀRZVHQVRU
NTC_Z1
HC2 pump
P_Z2
HC2 mix valve
MV_Z2
+&ÀRZVHQVRU
NTC_Z2
HC3 pump
P_Z3
HC3 mix valve
MV_Z3
+&ÀRZVHQVRU
NTC_Z3
System pump*
MO1_HV
Heat request zone 1
PADIN1 or EBUS2
Heat request zone 2
PADIN2 or EBUS2
Heat request zone 3
PADIN3 or EBUS2
Alarm or sanitary pump
VFR1
Optional
LPG/ Room supply Fan
VFR3
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as a combination of scheme 2 and scheme 3.
*System pump: optional electrical connection. To use depending on application.