RDF302 Flush-mount room thermostat for rectangular conduit box with Modbus communications, 2-/4-pipe fan coils or DX type equipment

1. Modbus communications
2. For heating and/or cooling applications
3. 2 or 3-position control outputs
4. Output for 1-speed or 3-speed fan
5. 2 multifunctional inputs for keycard contact, external room / return air temperature (QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact
6. Operating modes: Comfort, Economy and Protection
7. Automatic or manual heating/cooling changeover
8. Adjustable commissioning and control parameters
9. Minimum and maximum setpoint limitation
10. Color of housing: signal white (RAL 9003)
11. Backlit display

1. 2-pipe system
2. 2-pipe system with electrical heater
3. 4-pipe system
4. Operating voltage  AC 230 V
5. Power consumption   7 VA
6. Setpoint setting range  5...40 °C
7. Switching differential   0.5…6 K
8. Communication   Bus: Modbus RTU (RS 485)
9. Analog inputs, number  2
10. Relay outputs  Fan: N.O. contacts, non-floating , Valve: N.O. contacts, non-floating
11. Relay outputs, number  5
12. Relay output, switching voltage   AC 230 V
13. Relay output, switching current   5 (2) A
14. Type of fixing  Recessed rectangular conduit box BS4662 with fixing centres of 60.3 mm
15. Degree of protection  IP30
16. Dimensions (W x H x D)   86 x 86 x 57 mm