T-EF-SERIES
DIGITAL ROOM CONTROLLER
Version: 2002-02 Page 1 / 4
T-EF Series Digital Room Controller
Summary
This controller enables the user to increase
the comfort level and save energy by
providing automatic control of indoor supply
air. The unit uses a digital display to indicate
room and set point temperature.
The user has additionally the option to
control the supply air independent of
temperature. The unit is operated with the
use of comfortable soft buttons. Its modern
design fits into contemporary and classic
interior designs of apartments, hotels and
offices alike.
The operation mode is a P control and it is
designed to control three point floating air
damper actuators.
Features & Benefits
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Modern Design Blends in with modern decoration
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Digital Display Clear and accurate temperature indication or manual
positioning information
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Automatic Air Control Increases comfort level and saves energy
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Dual-color LED status Status of the unit at a glance
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Manual Override Easy selection for special conditions, for example
Morning boost to exchange stale air, minimum air
supply while away, etc.
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Memory for settings All the settings are memorized. No reprogramming in
case of power failure or switch off.
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Universal Mounting Can be mounted on British, American and Chinese
standard wall boxes
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Clip on installation Time saving, simple and save installation costs
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Calibration Fine tuning of the VAV loop without opening of duct
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Auto Reset Accurate damper position even for floating control
Operation
The controller is used to control the position of
the supply air zone damper of a pressure
dependent VAV system.
1.
Switching ON
The unit is switched on by pressing the
POWER button while in OFF mode.
2.
Automatic Temperature Control
This mode will control the supply air damper
using a P control function. Press the
MANUAL/AUTO button once to activate temperature control mode if in manual mode.
The two-digit display indicates the current room temperature. The upper status LED
light up either green if cooling or red if heating mode is active. The temperature set
MANUAL/ AUTO
UP / Increase
HEAT/COOL
POWER
DOWN / Decrease
Mode selector
