28 Chapter 4 System Commission
DataMate 3000 Series Air Conditioner User Manual
4.2 Speed Controlling For Condenser Blower
The condenser blower controller has been set before delivery. No additional setting
is needed. If some setting needs to be adjusted, contact a service engineer of
Emerson.
4.3 System Function Testing
Note
The system contains hazardous electrical voltage. Cut the power before testing the system.
Test should be made under the direction of the Emerson custom support engineer or trained
engineer.
4.3.1 Cooling Operation
According to section 5.7, set the temperature setpoint to 5°C (10°F) lower than the
room temperature. The controller should send a cooling command, and the
compressor should start running. Three minutes later, change the setpoint to a
temperature of 5°C (10°F) higher than the room temperature. If the compressor is
deactivated, cooling operation is normal.
Note
Change the setpoint to the default or the original point after the test.
4.3.2 Heating Operation
According to section 5.7, set the temperature setpoint to 5°C (10°F) higher than the
room temperature. The controller should send a heating command, and the heater
should be activated. Set the setpoint to be lower than the room temperature. If the
heater is deactivated, heating operation is normal.
Note
Change the setpoint to the default or the original point after the test.