SiUS091133 Trial Operation
Trial Operation and Field Settings 386
3. Trial Operation
Outline 1. Measure the supply voltage and make sure that it falls within the specified range.
2. Trial operation should be carried out in either cooling or heating operation.
3. Carry out the trial operation in accordance with the operation manual to ensure that all functions
and parts, such as louver movement, are working properly.
The air conditioner requires a small amount of power in standby mode. If the system is not to be
used for some time after installation, shut off the circuit breaker to eliminate unnecessary power
consumption.
If the circuit breaker trips to shut off the power to the air conditioner, the system backs up the
operation mode. The system then restarts operation with the previous operation mode when the
circuit breaker is restored.
In cooling operation, select the lowest programmable temperature; in heating operation, select the
highest programmable temperature.
Trial operation may be disabled in either operation mode depending on the room temperature.
After trial operation is complete, set the temperature to a normal level.
(26 ~ 28°C (78.8 ~ 82.4°F) in cooling, 20 ~ 24°C (68 ~ 75.2°F) in heating)
For protection, the system does not start for 3 minutes after it is turned off.
Detail ARC452 Series
(1) Press the [ON/OFF] button to turn on the system.
(2) Press the both of [TEMP] buttons 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 the operation mode.
(5) Trial operation terminates in approx. 30 minutes and switches into normal mode. To quit trial
operation, press the [ON/OFF] button.
(R14476)
(2)
(2) (3) (4)
(1) (5)
(2)
(3)
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