Configuration using dip switch
On the base board (AA2) select the communication
address for F2120 against the indoor module / control
module. DIP-switch S1 used for configuration of ad-
dress and functions. For cascade operation with SMO
for example, addressing is required. Default has F2120
address 1. In a cascade connection all F2120 must have
a unique address. The address is coded in binary.
Default set-
ting
Address
(com)
SlaveDIP S1 position
(1 / 2 / 3)
OFF01Slave 1off / off / off
OFF02Slave 2on / off / off
OFF03Slave 3off / on / off
OFF04Slave 4on / on / off
OFF05Slave 5off / off / on
OFF06Slave 6on / off / on
OFF07Slave 7off / on / on
OFF08Slave 8on / on / on
Default set-
ting
FunctionSettingDIP S1 posi-
tion
OFFPermits cool-
ing
ON4
Default settingSettingDIP S2 position
OFFOFF1
OFFOFF2
OFFOFF3
OFFOFF4
Switch S3 is the reset button that restarts control.
Caution
DIP S1 position 4 must be changed to ON in
order to run cooling
25Chapter 5 | Electrical connectionsNIBE™ F2120
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