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Trial operation
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Check the power supply between the outdoor unit and the cabinet panel .
- 1 phase power supply : L, N
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Check the indoor unit .
- Check whether you have connected the power and communication cables correctly .
(The communication cables between an indoor unit and outdoor unit are F1, F2 .)
- Check the thermistor sensor, drain pump/hose, and display are connected correctly .
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Check with Key mode or S-Net Pro .
- At first, operate all the indoor units with Key mode and operate the indoor units individually with S-Net Pro .
- In the beginning of operation, check the compressor operation sound . If there is a boom sound, stop the trial operation .
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Check the operation status of indoor and outdoor unit .
- Check whether the cooling operation is done correctly .
- Check the individual indoor unit control, wind velocity, and wind flow direction .
- Check whether you can hear abnormal sound from indoor unit and outdoor unit .
- Check whether the drainage is done correctly in cooling .
- Check S-net Pro for detailed operation .
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Explain to the user the usage of the air conditioner by referring to the users manual .
• Turn on the outdoor unit 3 hours before the test operation to preheat the compressor .
• If the compressor is not preheated, ‘CH’ may appear on the outdoor unit PCB depending on the outdoor
temperature .
• If the check operation is not completed, ‘UP’ may appear on the outdoor unit PCB
CAUTION
Writing and keeping installation checking card
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Installation checking card is enclosed with the installation manual .
- Installer should fill out the front side of the card meticulously .
- Write basic information such as date of installation, name of an installer, contact information, supervision company etc .
- Write additional information such as the name of outdoor unit models, unusual, calculation of the additional amount of
refrigerant etc .
- Write indoor unit related information such as indoor unit installation location, indoor unit model name etc .
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Keep the installation checking card in a designated place and do not lose it .
Installation checking card
DVM S Eco_IM_03408A-05_EN.indd 48
2016-11-11 오후 1:28:01