Emotron EMX-R Series, Instruction Manual, Page: 9 / 169

4 Description Emotron AB 01-3333-01r3
1.2 Product range
EMX-R is available in three sizes for heat exchanger rotors up to around 3.5 m.
They come in sizes 15, 25 and 35 (for other rotor sizes, please contact the local
distributor or Emotron AB). The control unit sizes are dedicated to the motor
sizes. Control unit EMX-R-15S(or E) could only work with motor
EMX-R-15M and so on.
The control unit is available in two versions, S and E, where Model E has an
extra circuit board for increased functionality.
Built-in functions included in the Model S are:
• Automatic purging operation
• Rotation monitor - integrated electronics or with external rotation sensor
• Alarm relay
• Test switch
• Priority switch/defrosting
• Heat recovery on cooling with external differential thermostat
In addition to the functions included in Model S, the Model E includes:
• Display of the rotor speed in rpm when the external rotation sensor is con-
nected.
• Analogue output signal proportional to the speed of the motor.
• Heat recovery on cooling with external temperature sensors.
• Input for potentiometer with low resistance, 100 Ohm to 5 kOhm.
• Prepared for serial communication.
Model Operating Indicator
Max heat exchanger
rotor diameter (mm)
EMX-R- 15S Two LEDs indicating red or green
1500
EMX-R- 15E LED display
EMX-R- 25S Two LEDs indicating red or green
2500
EMX-R- 25E LED display
EMX-R- 35S Two LEDs indicating red or green
3500
EMX-R- 35E LED display