Nibe F2040 Series, Installer Manual

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F2040-12
LEK
Heating cable (EB14)
Secure the heating
cable (EB14) here
using two cable ties.
F2040-16
LEK
Heating cable (EB14)
Secure the heating cable
(EB14) here using two cable
ties.
Ambient temperature sensor
An ambient temperature sensor (Tho-A) is located on
the rear of F2040.
Communication
F2040 can communicate with NIBE indoor modules,
by connecting the indoor module to the terminal block
X4:1–3 according to the following image:
Innemodul
X4
F2040
GND GND
B- B-
A+
15
14
13
A+
GND
B-
A+
AA3
1
2
3
4
5
6
External F2040
X4
AA3
For connection of indoor module, see relevant manual
on www.nibe.eu.
Addressing via cascade connection
The communication address is selected for F2040 to
the control module on the communication board
(AA23-S3). Default has F2040 address
1 . In a cascade
connection all F2040 must have a unique address. The
address is coded in binary.
S3:3 S3:2 S3:1 Address
OFF OFF OFF 1
OFF OFF On 2
OFF On OFF 3
OFF On On 4
On OFF OFF 5
On OFF On 6
On On OFF 7
On On On 8
29 Chapter 5 | Electrical connections NIBE™ F2040