Dip Switch Configuration - Siemens RDF870KN Series Manual

● Isolate the cables of Modbus communication input A+, B- and REF for 230 V. (Only for
RDF870MB)
● No cables are provided with a metal shield.
● Disconnect from supply before opening the cover.
Commissioning
After powering up, all LCD segments light up for about three seconds before the room con-
troller enter its normal states.
Address and application can be downloaded via ETS by pressing and holding
than five seconds to enter programming mode. (Only for RDF870KN)
The room controller and room unit can be set via DIP switches. (Only for RDF870MB)

DIP switch configuration

DIP switch positions
1
ON
OFF
DIP switch setting applies to RDF870MB only.
Current factory setting for PM2.5 control with 3 speed on/off fan application is as follows:
● APP= 1: PM2.5 control only
● DISP: Room temp= 1; PM2.5= 1
● SEN1= 3: PM2.5 (AI) μg/m
● SEN2= 0: no function
● FAN= 3: 3 speed fan
Siemens
Smart Infrastructure
2
OFF
OFF
3 (0...10 V)
Application
Room unit
Room controller
A6V11439454_en--_d
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2021-03-31