Inspection And Check Operation - Samsung AM TXMDEH Series Installation Manual

Inspection and check operation

Inspection before check operation
1. Check the power cable and communication cable of the indoor and outdoor unit.
2. Supply power to the outdoor unit 3 hours before check operation to pre-heat the crank case heater.
3. Before supplying the power, use a voltmeter and phase tester to check the voltage and the phase.
- R,S,T terminal: check the 380 V ~ 415 V between wires (R-S, S-T, T-R) / 220V~240V between wires (L-N).
4. When the power is supplied, outdoor unit will execute tracking to check the indoor unit connection and other options.
5. Write down the installation report on the service history report paper attached on the front part of the control box.
Supply power to the outdoor unit 3 hours before check operation to pre-heat the crank case heater.
CAUTION
6. Guaranteed range of check operation
For correct judgment, you must perform check operation in below indoor/outdoor temperature condition.
50
40
30
20
10
0
-10
-20
5 10 15
Indoor temperature (°C)
- Check operation selects and operates cooling/heating mode automatically.
- In the temperature range marked with slashed pattern, system protection control may trigger during operation.(It may
be hard to judge the check operation correctly due to protection control operation.)
- When the temperature is outside of guaranteed range, accuracy of judgment on check operation may decrease near
boarder line area.
20 25 30 35 40 45
Cooling
Heating
45