104
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Standard schemes
Scheme
Boiler group
Distribution group
2
Single boiler or cascade
Multiple direct 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!
HC2 pump
P_Z2
HC3 pump
P_Z3
System pump*
MO1_HV
ON/OFF Pump.
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
*System pump: optional electrical connection. To use depending on application.