Trial Operation SiUS042113E
150 Part 7 Trial Operation and Field Settings
3. Trial Operation
Outline Trial operation should be carried out in either cooling or heating operation.
1. Measure the supply voltage and make sure that it is within the specified range.
2. In cooling operation, select the lowest programmable temperature;
in heating operation, select the highest programmable temperature.
3. Carry out the trial operation following the instructions in the operation manual to ensure that all
functions and parts, such as the movement of the louvers, are working properly.
• To protect the air conditioner, restart operation is disabled for 3 minutes after the system has
been turned off.
4. After trial operation is complete, set the temperature to a normal level (78°F to 82°F (26°C to
28°C) in cooling operation, 68°F to 75°F (20°C to 24°C) in heating operation).
When operating the air conditioner in cooling operation in winter, or heating operation in summer,
set it to the trial operation mode using the following method.
Procedure 1. Press On/Off button to turn on the system.
2. Press the center of Temp button and Mode button at the same time.
3. Select T (trial operation) with Tempor Tempbutton.
4. Press Mode button to start the trial operation.
5. Press Mode button and select operation mode.
6. Trial operation terminates in about 30 minutes and switches into normal mode.
To quit trial operation, press On/Off button.
R7000228
The air conditioner draws a small amount of power in its 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 will restore the
original operation mode when the circuit breaker is turned on again.
2, 4, 5
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2, 3
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