Siemens RDF870KN Series Manual page 16

PM2.5 application (single duct single fan)
Single duct single fan purifier with built-in PM2.5 filter
Basic parameter settings: APP = 1, DISP (PM2.5 = 1), SEN1 =3, FAN =1-/3-/4-speed
on/off fan or ECM fan
RDF870... unit can be set up as a PM2.5 controller with an external PM2.5 sensor connected
to X1 to control the fan for a PM2.5 purifier unit (i.e. single duct single fan purifier with PM2.5
built-in filter).
The purifier is not connected to external but installed on the ceiling. The purifier circulates in-
door through its built-in PM2.5 filter. The fan speeds are switched as per the actual PM2.5
level and the PM2.5 setpoint.
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Siemens
Smart Infrastructure
A6V11439454_en--_d
2021-03-31