13. Protection Control
13.1 Protection Control For All Operations
13.1.1Restart Control (Time Delay Safety Control)
The Compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing OFF/ON button at remote control within this period.
This control is not applicable if the power supply is cut off and on again.
This phenomenon is to balance the pressure inside the refrigerant cycle.
13.1.2Total Running Current
1When the outdoor unit total running current (AC) exceeds X value, the frequency instructed for compressor operation will be decreased.
2If the running current does not exceed X value for 5 seconds, the frequency instructed will be increased.
3However, if total outdoor unit running current exceeds Y value, compressor will be stopped immediately for 3 minutes.
Model | XE9PKUA | XE12PKUA | ||
Operation Mode | X (A) | Y (A) | X (A) | Y (A) |
Cooling / Soft Dry (A) | 6.48 | 15.00 | 7.70 | 15.00 |
Cooling / Soft Dry (B) | 6.48 | 15.00 | 7.70 | 15.00 |
Heating | 7.48 | 15.00 | 9.20 | 15.00 |
Cooling / Soft Dry (C) | 6.48 | 15.00 | 7.70 | 15.00 |
4 The first 30 minutes of cooling operation, (A) will be applied.
13.1.3IPM (Power transistor) Prevention Control
Overheating Prevention Control
1When the IPM temperature rises to 248°F (120°C), compressor operation will stop immediately.
2Compressor operation restarts after 3 minutes the temperature decreases to 230°F (110°C).
3If this condition repeats continuously 4 times within 20 minutes, timer LED will be blinking (“F96” is indicated).
DC Peak Current Control
1When electric current to IPM exceeds set value of 16.0 ±2.0A, the compressor will stop operate. Then, operation will restart after 3 minutes.
2If the set value is exceeded again more than 30 seconds after the compressor starts, the operation will restart after 1 minute.
3If the set value exceeded again within 30 seconds after the compressor starts, the operation will restart after 1 minute. If this condition repeats continuously for 7 times, all indoor and outdoor relays will be cut off, timer LED will be blinking (“F99” is indicated).
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