Summary; Brief Description; Features - Siemens RDF300 Documentation

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Siemens
Building Technologies
2

Summary

2.1

Brief description

The devices support:
– 2-pipe, 2-pipe with electrical heater and 4-pipe fan coil units
– Compressors in DX-type equipment
• RDF300/RDF400 AC 230 V operating voltage, on/off or 3-position control
outputs
• RDF340... AC 24 V operating voltage, DC 0...10 V control outputs
• Output for 3-speed or 1-speed fan
• Two multifunctional inputs for keycard contact, external sensor, etc.
• Operating modes: Comfort, Energy Saving and Protection
• Automatic or manual heating/cooling changeover
• Adjustable commissioning and control parameters
• Minimum and maximum setpoint limitation
• Mounting on recessed rectangular conduit box, 60.3 mm fixing centers
Additional RDF300.02 features
• Backlit LCD
Additional RDF400.01 features
• Backlit LCD
• Infrared remote control receiver
• Auto Timer mode with 8 programmable timers
2.2

Features

• Maintain room temperature via built-in temperature sensor or external room
temperature / return air temperature sensor
• Automatic or manual changeover between heating and cooling mode
• Select applications via DIP switches
• Select operating mode via the operating mode button on the controller
• Single or 3-speed fan control (automatic or manual)
• Display current room temperature or setpoint in °C and/or °F
• Minimum and maximum setpoint limitation
• Keypad lock (automatic and manual)
• Two multifunctional inputs, freely selectable for:
– Operating mode switchover contact (key card)
– Automatic heating/cooling changeover sensor
– External room temperature or return air temperature
– Dewpoint sensor
– Electrical heater enable
– Alarm input
• Advanced fan control function, i.e. fan kick, fan start, selectable fan operation
(enable, disable or depending on heating or cooling mode)
• Purge function together with 2-port valve in a 2-pipe changeover system
• Reminder to clean filters
• Floor heating temperature limit
• Reload factory settings for commissioning and control parameters
• Weekly time program: 8 programmable timers to switch over between Comfort
and Economy mode (RDF400.01)
• Optional backlit LCD (RDF300.02/RDF400.01)
• Optional infrared remote control ( RDF400.01)
RDF300.../RDF340.../RDF400... Basic Documentation
2BSummary
CE1P3076en
28 Aug 2008