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Final checks and trial operation
Turn on the outdoor unit 3 hours before the test operation to preheat the compressor. If the compressor is not
preheated, ‘CH’ will appear on the outdoor unit PCB.
Inspection before test operation
1. Check the power cable and communication cable of the indoor and outdoor unit.
2. Check the power supply between the outdoor unit and the cabinet panel.
- Check the 220-240V~ with the voltage meter.
3. Once the outdoor unit is turned on, it performs the tracking to check the connected indoor unit and options.
Test operation
1. Run the unit by KEY MODE or controller.
- 1st- Running a indoor units by KEY MODE.
2nd- Each indoor unit runs separately by controller.
- Inspect the compressor sound during the initial operation. If roaring sound is heard, stop operation.
2. Check the indoor and outdoor units’ running status.
- Check if back light of remocon to be lighten by pushing the buttons without any error codes
- Indoor and outdoor unit’s abnormal running noise.
- Check detail running status using S-NET program.
3. Finish test.
4. Explain to the customer how to use the Air to Water Heat Pump following the user’s manual.
Filling out the installation check card and storing it inside of the outdoor unit
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The installation check card is enclosed in the installation manual.
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Installation engineer should fill out the installation card honestly.
- Basic contents such as installation date, name of engineer, contact number, service company, etc.
- Additional contents such as model name of outdoor unit, remarks, refrigerant calculation due to additional
pipe, etc.
- Contents related indoor unit such as the place where indoor unit is installed, model name of indoor unit, etc.
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Store the installation check card inside of the outdoor unit and make sure not to lose it.
