Application Examples - Siemens RDF870KN Series Manual

Application examples

CO2 application (single duct single fan)
Single duct single fan fresh air unit or purifier with built-in PM2.5 filter
Basic parameter settings: APP = 3, DISP (CO
on/off fan or ECM fan
RDF870... unit can be set up as a CO
X1 to control the fan for a fresh air unit (i.e. single duct single fan fresh air unit with/without
PM2.5 built-in filter).
The fan speeds are switched as per the actual CO
The built-in PM2.5 filter already purifies the outside air before entering indoors.
Siemens
Smart Infrastructure
= 1), SEN1 =4, FAN =1-/3-/4-speed
2
controller with an external CO
2
level and the CO
2
sensor connected to
2
setpoint.
2
15
A6V11439454_en--_d
2021-03-31