RDF870MB
Touch Screen Flush-mount PM2.5 & IAQ Controller with RS485 Modbus

AC 230 V operating voltage, large, backlit display
Display and setpoint adjustment for PM2.5 and CO2 control
Display of room temperature, outside temperature, VOC (volatile organic compound) and RH (relative humidity)
Support 1-/3-/4-speed On/Off fan or DC fan output
Two multifunctional inputs for external passive and DC 0…10 V sensors
Operating modes: Comfort, Economy and Protection
RS485 Modbus RTU slave mode
Modbus commissioning via third-party tool, e.g. Modbus scan, Modbus poll, etc
Mounting on recessed square 86 mm box or round 60 mm with 60 mm fixing centers and minimum 40 mm depth
Color of housing: Ivory white (RAL 9001)


RDF870MB can be configured as a room unit via DIP switches.

It provides the following additional functions:

Setpoint adjustment and display for room temperature, VOC, RH and display of outside temperature
Four remote digital outputs via bus and controlled by a master controller


Application selectable:

PM2.5 control only
CO2 control only
PM2.5 & CO2 controls (CO2 higher priority in control)
Ventilation control
Additional info
2x sensor inputs are selectable:
0: No function
1: Temperature (AI) (NTC 10k)
2: Temperature (AI) (0…10 V)
3: PM2.5 (AI) μg/m3 (0…10 V)
4: CO2 (AI) ppm (0…10 V)
5: VOC (AI) % (0…10 V)
6: VOC (AI) mg/m³ (0…10 V)
7: RH (AI) % (0…10 V)
8: Alarm input (DI)
9: Dummy AI (0…10 V) (RU only)
More

Technical Specifications
Operating voltage
AC 230 V
Power consumption
Max. 6.0 VA / 2.1 W
Communication
RS485 Modbus
Analog outputs
DC 0…10 V for ECM fan output
Relay outputs
Fan: N.O. contacts, non-floating , Valve: N.O. contacts, non-floating
Degree of protection
IP30
Dimensions (W x H x D)
86 x 86 x 47 mm
Color
White