Testing Operations - Samsung DH60 T Series Installation Manual

Testing Operations

Check the power supply between the outdoor unit and the auxiliary circuit
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breaker.
Single phase power supply: L, N
Three phase power supply: L1, L2, L3
Check the indoor unit.
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Check that you have connected the power and communication
cables correctly. (If the power cable and communication cables
one mixed up or connected incorrectly, the PCB will be damaged.)
If the outdoor unit is powered on, it will start tracking to check user's
3
option(s) and number of indoor unit.
- At this time, the SEG 1 and SEG 2 on outdoor unit PCB display the
number of indoor unit registered and the SEG 3 and SEG 4 display
the number of indoor units which responded.
- If an error mode is displayed, fix the error according to the service
manual.
Press K2 on the outdoor unit PCB.
4
- If you press K2, the compressor starts operation.
Operate the compressor for 20 minutes, then add refrigerant according
to the pipe length.
- If you press K2 again, test operation is started.
- If you don't stop the operation of adding refrigerant, it will be stopped
automatically after 1 hour.
- If you don't stop test operation, it will be stopped automatically
after 1 hour.
- If K2 is pressed during the operation of adding refrigerant, test operation
is started without compressor stopping. Therefore, start test operation
after the operation of adding refrigerant.
- The compressor can be operated after completely 3-minute preparation
and tracking.
- When testing operations at Heating Mode, press K1 instead of K2.
Check that indoor and outdoor temperatures, step of electronic expansion
5
valve and operation of compressor by using the display mode(K4).
Check that there is any error mode in the outdoor unit PCB during the test.
6
- You should test operations for more than 30 minutes.
- Check that the water dripping from the drain hose runs away correctly
and safely.
To complete the test, press the test operation KEY(K2) again.
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