Final check and trial operation

To complete the installation, perform the following checks and tests to ensure that the air conditioner operates correctly.

Check the followings:

•Strength of the installation site

•Tightness of pipe connection to detect gas leak

•Electric wiring connection

•Heat-resistant insulation of the pipe

•Drainage

•Grounding conductor connection

•Correct operation (follow the steps below)

1. Press the Power button and check the following:

The indicator on the indoor unit lights up.

 The airflow blade opens and the fan gears up for operation.

2. Press the Mode button to select Cool or Heat (ARJQ) mode.

 In Cool mode, use Temp hr. + or – button and set the temperature at 16 °C.

 In Heat mode, use Temp hr. + or – button and set the temperature at 30 °C (ARJQ).

• Approximately 3~5 minutes later, outdoor unit will start to operate and the

Cool or Warm (ARJQ) air will blow out.

• After 12 minutes of stationary condition check the indoor unit air treatment.

Cooling mode (indoor unit check)  Inlet air temp. - Outlet air temp: From 10 °C to 12 °C (indicative delta T)

Heating mode (indoor unit check)  Outlet air temp. - Inlet air temp: From 11 °C to 14 °C (indicative delta T) (ARJQ)

In heating mode, the indoor fan motor can remain off to avoid cold air blown into conditioned space. (ARJQ)

3. Press the Air swing button and check the following:

 The airflow blades work properly.

4.Press the Power button to stop the operation.

• When you complete the installation successfully, hand over this manual to the user for storage in a handy and safe

place.

Pump down procedure (when removing the product)

1.Turn on the air conditioner and select Fast Cool mode. Please let the compressor run for more than 5 minutes. If the compressor does not operate for more than 5 minutes due to protection control, wait about 2 minutes, and then carry out the next procedure.

2 . Release the valve caps on High and Low pressure side.

3 . Use L wrench to close the valve on the high pressure side.

4 . After approximately 2 minutes, close the valve on the low pressure side.

5 . Stop operation of the air conditioner by pressing the Power button on the indoor unit or remote controller.

6 . Disconnect the pipes.

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AR24JRFNBWKNMG, AR24JRFSBWKNMG specifications

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