44
Setting indoor unit option switch and key function
4. After selecting the function for options, press and hold the K2 switch for 2 seconds. Edited value of the option will be
saved when entire segments blinks and tracking mode begins.
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Edited option will not be saved if you do not end the option setting as explained in above instruction.
CAUTION
❋
While you are setting the option, you may press and hold the K1 button to reset the value to previous setting.
❋
If you want to restore the setting to factory default, press and hold the K4 button while you are in the option setting mode.
- If you press and hold the K4 button, setting will be restored to factory default but it doesn’t mean that restored setting is
saved. Press and hold the K2 button. When the segments shows that tracking mode is in progress, setting will be saved.
Optional
item
Input
unit
SEG1
SEG2
SEG3
SEG4
Function of the option
Remarks
Channel
address
Main
0
0
A
U
Automatic setting
(Factory default)
Address for classifying the product from upper
level 0 ~ 15 controller (DMS, S-NET 3, etc.)
0 ~ 15
Manual setting for
channel (0 ~ 15)
Inspection and check operation
f
This function is only available for AM
✴✴✴✴
XMD
✴
H Series
Precautions before check operation
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When the outdoor temperature is low, turn on the main power 3 hours before beginning the operation.
- If you start the operation immediately after turning on the main power, it may cause serious damage to the
part within the product.
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Do not touch the refrigerant pipe during or right after the operation.
- Refrigerant pipe may be hot or cold during or right after the operation depending on the status of the
refrigerant which flows through the refrigerant pipe, compressor and other parts of the refrigerant cycle. If
you touch the refrigerant during or right after the operation, you may get burns or frostbite.
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Do not operate the product with its panel or protection nets off.
- There is risk of personal injury from the parts that rotates, heated or with the high voltage.
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Do not turn off the main power immediately after stopping the operation.
- Wait for at least 5 minutes before turning off the main power. If not, water leakage or other problems may
occur.
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Connect all the indoor units and the power supply for the outdoor unit and run auto or manual address setting.
Run auto or manual address setting after changing the indoor unit PCB.
CAUTION
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.
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Supply power to the outdoor unit 3 hours before check operation to pre-heat the crank case heater.
CAUTION
