5 ems controllers functionality
ems controllers have the capability to manage the following:
l temperature: ems controllers measure the air temperature of the refrigeration compartment to controlthe temperature of the products.
ems controllers ensure that products are at the optimal serving temperature.
l condenser: ems controllers manage the temperature on the condenser to prevent high temperature.
This is optional for ems controllers, and dependent on controller specification.
l compressor: ems controllers switch the compressor to manage the performance of the compressor.
l evaporator fan:ems controllers switch the evaporator fan to manage the temperature of the refrigeration compartment.
This is optional for ems controllers, and dependent on controller specification.
l lights: ems controllers manage the cooler lights for marketing and energy saving purposes.
Note:
l Dependent on controller and sensor configuration.
5.1 product temperature
ems controllers manage the product temperature.
ems controllers use an appliance sensor to measure the air temperature of the refrigeration compartment.
The location of the appliance sensor within the refrigeration compartment depends on the cooler type.
However, to compensate for differences between the air temperature and the product temperature, calibration 1 (CA1) can
add an offset to the temperature measured on the appliance sensor.
l See "calibration 1 (CA1)" on page 68
ems controllers can be set to use Celsius (°C) or Fahrenheit (°F) - set by the Celsius or Fahrenheit (CF) parameter.
l See "Celsius or Fahrenheit (CF)" on page 69
5.2 activity
ems controllers measure the activity to determine when outlets are open. Activity is people opening the door of the cooler
to get products and people passing in front of the cooler.
ems25+ and ems25advanced / General Use
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