SiUS041829E Trial Operation
Part 7 Trial Operation and Field Settings 127
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 ARC466 Series
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
Test Items
2, 4, 5
1, 6
2, 3
3
Test items Symptom
Indoor and outdoor units are installed securely. Fall, vibration, noise
No refrigerant gas leaks. Incomplete cooling/heating function
Refrigerant gas and liquid pipes and indoor drain
hose extension are thermally insulated.
Water leakage
Draining line is properly installed. Water leakage
System is properly grounded. Electrical leakage
Only specified wires are used for all wiring, and all
wires are connected correctly.
No operation or burn damage
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