SDCHENXUAN PRODUCTS
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HONEYWELL PRODUCTS
DANFOSS PRODUCTS
ABB PRODUCTS
REGIN PRODUCTS
RDF270 controller with touch buttons
Fresh air unit (FAU)
● Slim (8.6 mm thickness) touch button design
● AC 230 V supply voltage, large LCD backlit display
● Operating modes: ON, FAU ECO and OFF
● Fan type selection: 1-speed, 2-speed, 3-speed or ECM
● Manual fan speed adjustment at max. 3 speeds
● Selectable internal and external air circulations
● Bypass function for external air circulation
● Simple delay-off timer for max. 23 hours
● Keylock function
● Returning to previous operating mode, ON (Normal mode) or OFF for power down
● Adjustable commissioning and control parameters
● Mounting on recessed square 86 mm conduit box with 60.3 mm fixing centers and
minimum 60 mm depth
Use
Ventilation and indoor air quality control in purifying systems:
Typical applications:
● Residential homes and apartments
● Offices & hotels
Functions
● Operating mode selection via button or parameter (P02)
– ON (Normal mode), FAU ECO and OFF
● Key lock function: Lock and unlock (P14)
● Fan type selection (P54)
– 1-speed, 2-speed, 3-speed or ECM fan (DC 0...10 V)
Advanced functions
● Enable bypass function for external air circulation (P24)
● Enable selection of internal and external air circulations (P25)
● Select fresh air flow control via FAU ECO mode (P02 = 2, P26)
● Operating mode after power resumed: Previous mode, ON or OFF (P27)
● Enable delay-off timer: up to 23 hours (P28)
● Set maximum and minimum fan output for ECM fan (P55, P56)
● Set minimum on-time for fan (P59)
● Reload factory settings for commissioning and control parameters (P71)
● Enable Chinese text display (P98)