Daikin ATXL25J2V1B [16/20] Trial operation and testing

14 English

Trial Operation and Testing

1. Trial operation and testing.

1-1 Measure the supply voltage and make sure that it falls in the specified range.

1-2 Trial operation should be carried out in either cooling or heating mode.

• In cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable

temperature.

1) Trial operation may be disabled in either mode depending on the room temperature.

Use the remote controller for trial operation as described below.

2) 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).

3) For protection, the system disables restart operation for 3 minutes after it is turned off.

1-3 Carry out the test 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 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 opened again.

2. Test items.

Trial operation from remote controller

1) Press ON/OFF button to turn on the system.

2) Simultaneously press centre of TEMP button and MODE button.

3) Press MODE button twice.

(“ ” will appear on the display to indicate that Trial Operation mode is selected.)

4) Trial run mode terminates in approx. 30 minutes and switches into normal mode. To quit a trial operation, press

ON/OFF button.

Test items

Symptom

(diagnostic display on RC)

Check

Indoor and outdoor units are installed properly on solid bases. 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 earthed. Electrical leakage

The specified wires are used for interconnecting wire connections. Inoperative or burn damage

Indoor or outdoor unit’s air intake or exhaust has clear path of air.

Stop valves are opened.

Incomplete cooling/heating function

Indoor unit properly receives remote control commands. Inoperative