4. Angle the front panel approx. 30° and secure the two
clips on one side. Then close the unit and secure the
two clips on the other side.
ELECTRICAL CONNECTION VERSIONS F1345
F1345 has different electrical connection versions depending
on when the heat pump was manufactured. To check which
electrical connection applies to your F1345, check the des-
ignation "2.0" visible above the right hand side of the termin-
al block as illustrated.
CONNECTING COMMUNICATION
RMU 40 contains a communication board (AA9) that con-
nects directly to the main product's input board (terminal
block AA3-X4).
For F1345 on terminal block X6 or on terminal block AA101-
X10 for F1345 2.0/F1355.
If several accessories are to be connected, or are already
installed, the boards are connected in series.
Because there can be different connections for accessories,
you should always read the instructions in the manual for
the accessory that is to be installed.
No more than two units can be connected to the climate
unit.
16
Main product
X6
X6
4 5 6 7
+12V
A
GND
B
F1345 without 2.0
AA3-X4
AA3-X4
+12V
+12V
+12V
F1145/F1155
12
A
11
B
10
GND
9
LEK
Control
module
Hydrobox
Communication board 1
AA9-X1
AA9-X1
A
1
B
2
GND
3
+12V
4
Communication board 2
AA9-X1
A
1
B
2
AA9-X1
GND
3
+12V
4
AA101-X10
AA101-X10
-AA101
-X10
7 8
9
10
+12V
A
B
GND
F1345 with 2.0/F1355
AA3-X4
F1245/F1255
F370/F372/F470/F730/F750
VVM
225/310/320/325/500
AA3-X4
AA3-X4
+12V GND B
A
+12V GND B
A
RMU 40 | EN