| RDT 300: Electronic ctrlr. for ventilation & air-con
How energy efficiency is improved
Top quality algorithm for generation of c/o signal for changeover between heating and cooling mode, and therefore ensuring energy saving operation of the system.
Areas of application
Weather-compensated flow temperature control in 2- and 4-pipe systems for heating/cooling. Activation of intelligent unitary controllers.
Properties
- Clearly-laid-out operating unit with large LCD display and generously proportioned keypad
- 6 controller models
- Plug-in memory for copying and documenting system parameters
- Fast commissioning thanks to preset parameters
- Room user panel with display available as accessory
- Weekly and annual switching program
- Automatic summertime/wintertime changeover
- Sealable sliding switch for selection of operating mode
Technical description
- Housing 144 x 96 mm made of flame-retardant, pure white thermoplastic (RAL 9010)
- 4 universal inputs and 2 analogue inputs
- 2 independent PI controllers
- 3 continuous outputs and 6 relay outputs
- Reset, sequencing and limiting functions, as well as alarm and time functions
- Suitable for fitting on walls, in panels and on top-hat rails
- Electrical connection in base with screw terminals for wires up to 2.5 mm²
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