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Connecting EcoLogic S to
terminal block (EcoAir)
gr
een
white
br
own
B A G
5.5
Connecting to terminal block and
circuit board A5
The EcoLogic S can be connected to the heat pump circuit board via the
terminal block as shown in the table below.
Remove the factory-fitted communication cable and connect the display/
communication cable from EcoLogic S.
The fourth cable (yellow) must be connected to the circuit board via pin +V
DC
.
Refer to the wiring diagram ”Control card EcoAir/EcoPart connection”.
Connecting EcoLogic S
to terminal block (colour
code)
Connecting terminal
block to circuit board
B (brown)
RX-/TX-
A (white)
RX+/TX+
G (green)
GND
5.6
Connecting a separate
communication cable
When connecting a separate communication cable to the
heat pump, connect the RJ45 cable’s colour-code ports to
the pins on the circuit board as shown in the table below.
RJ45 cable connection
Circuit board connection
Position 7
+V
DC
Position 8
GND
Position 5
RX+/TX+
Position 4
RX-/TX-
RJ45 cable connection
29
CTC EcoLogic S
Summary of Contents for 6212576
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