Siemens RDF410.21

3
067
RDF310.2, RDF310.21 RDF410.21
Semi Flush-mount
Room Temperature
Controllers with LCD
RDF310…
RDF410…
for 2-pipe fan coil units
for use with compressors in DX type equipment
Output for on / off valve actuator or 1-stage compressor
3-speed fan control: Automatic or manual
Manual heating / cooling changeover or continuous Cooling only / Heating only
Operating modes: Normal operation, Standby
Adjustable commissioning and control parameters
Optional display of room temperature or setpoint
Minimum and maximum setpoint limitation
Operating voltage AC 230 V
Mounting on recessed rectangular conduit box, fixing centres 60.3mm
Additional features of RDF310.21
LCD backlight
Infrared remote control receiver
Additional features of RDF410.21
LCD backlight
Infrared remote control receiver
Auto Timer mode with 8 programmable timers
N3067en
01.10.2007
Building Technologies

Siemens RDF410.21 Specifications

General

Type	Room Thermostat
Power Supply	AC 230 V
Frequency	50/60 Hz
Degree of protection	IP30
Temperature setting	Rotary knob
Power Consumption	2 VA
Relay Outputs	1
Mounting	Wall
Ambient temperature	0 to 50 °C

Summary

Semi Flush-mount Room Temperature Controllers

Product Usage and Core Functions

Controller Functions Overview

Details core functions like temperature control, display, and fan speed management.

Operating Modes and Control Sequences

Available Operating Modes

Explains Normal operation, Standby, Auto Timer, and Energy Saving modes.

Control Sequences for Applications

Advanced Features and Operation

Auto Timer Mode Functionality

Explains the Auto Timer mode with programmable timers for mode changes.

Configuration and Parameter Settings

Control Parameter Settings

Details how to adjust control parameters for optimization and lists parameter meanings.

Mechanical Design and Installation

Setting and Operating Elements

Mounting and Installation Guidelines

Provides instructions for proper mounting location and wiring.

Technical Data and Standards

Technical Specifications Overview

Details electrical, operational, and environmental data for the controllers.