5.10.4 Routing the cables
Caution
Separate the sensor cables from the 230 V circuit cables. Secure
all the cables exiting the indoor unit using the traction arrester
devices supplied in the accessories bag.
1 230 V circuit cables
2 0 - 40 V sensor cables
5.10.5 Description of the connection terminal blocks
EHC–06 PCB terminal block
X1 Not used
X2 Not used
X4 Electrical back-up
X5 Not used
X7 L-Bus to the SCB-04 PCB
X8 Indoor module user interface
X9 Sensors
X10 Main circulating pump command signal
X12 Options
R-Bus: BAXI CONNECT TXM connected room thermostat, on/off
thermostat or OpenTherm thermostat
BL1 IN / BL2 IN: Multifunction inputs
So+/So- : Electric energy meter
Condensation: Condensation sensor
X13 Option ACI-BDR
X17 Not used
X18 Input/output for the HPC–01 PCB
X19 Optional connection cable for Silent mode
X22 Bus for communication with the HPC–01 PCB
X23 Bus for communicating with the outdoor unit
X24 230 V - 50 Hz power supply
X25 Heating / Domestic hot water directional valve
X26 Pump - only if connecting a buffer tank
X27 230 V power supply for the SCB-04 PCB and the HPC–01 PCB
X28
T out: Outdoor temperature sensor
T dhw 1/ T dhw 2 : Domestic hot water tank temperature sensor
Fig.62
Routing the cables
MW
-30
0
06
6
8-
2
1
230V
0-40V
2
Fig.63
MW-1001169-4
R-Bus
T dhw 1
T dhw 2
T out
BL1 IN
BL2 IN
So+ So-
Condensation
X15
X26
X2
X25
X13 X6
X21
X24
X12
X9
X4
X5
X19
X17
X16
X10
X23
X30
X18
X1
X20
X7
X8
X27
X22
}
X28
}
So
-
+
5 Installation
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Содержание MIC V200
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