Trial Operation SiENBE07-618_C126 Trial Operation and Field Settings1. Trial OperationOutline 1. Measure the supply voltage and make sure that it falls in the specified range.2. Trial operation should be carried out in either cooling or heating mode.3. Carry out the trial operation in accordance with the operation manual to ensure that allfunctions and parts, such as flap movement, are working properly. The air conditioner requires a small amount of power in its standby mode. If the system isnot to be used for some time after installation, shut off the circuit breaker to eliminateunnecessary power consumption. If the circuit breaker trips to shut off the power to the air conditioner, the system backs up theoperation mode. The system then restarts operation with the previous mode when the circuitbreaker is restored.In cooling mode, select the lowest programmable temperature; in heating mode, select thehighest programmable temperature. Trial operation may be disabled in either mode depending on the room temperature. After trial operation is complete, set the temperature to a normal level.(26°C to 28°C in cooling mode, 20°C to 24°C in heating mode) For protection, the system does not start for 3 minutes after it is turned off.Detail ARC433 Series(1) Press the ON/OFF button to turn on the system.(2) Press the center of the TEMP button and the MODE button at the same time.(3) Press the MODE button twice.(“T” appears on the display to indicate that trial operation is selected.)(4) Press the MODE button and select operation mode.(5) Trial operation terminates in approx. 30 minutes and switches into normal mode. To quit atrial operation, press the ON/OFF button.(2)(1) (5)(3)(2) (3) (4) (R9663)