37
13.1.5 Compressor
Overheating Prevention Control
Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The
changes of frequency are as below.
If compressor discharge temperature exceeds 233.6°F, compressor will be stopped, occurs 4 times per
20 minutes, timer LED will be blinking. “F97” is indicated.
13.1.6
Low Pressure Protection Control (Gas Leakage Detection)
For 5 minutes, the compressor continuously operates and outdoor total current is between 0.78A and 1.16A.
During Cooling and Soft Dry operation:
Indoor suction temperature – indoor piping temperature is below 39.2°F.
During Heating operations :
Indoor piping temperature - indoor suction is under 41.0°F.
13.1.7
Low Frequency Protection Control 1
When the compressor operates at frequency lower than 25Hz continued for 240 minutes, the operation frequency
will be changed to 24Hz for 2 minutes.
13.1.8
Low Frequency Protection Control 2
When all below conditions comply, minimum limit of compressor will be set.
E18NKUA,
E24NKUA
Temperature, T, for:
Cooling / Soft Dry
Heating
Indoor intake air (°F)
T < 57.2 or T
≥
86.0
T < 57.2 or T
≥
82.4
Outdoor air (°F)
T < 55.4 or T
≥
100.4
T < 39.2 or T
≥
75.2
Indoor heat exchanger (°F)
T < 86.0
T
≥
32.0
13.2 Protection Control For Cooling & Soft Dry Operation
13.2.1
Outdoor Air Temperature Control
The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the
diagram below.
This control will begin 1 minute after the compressor starts.
Compressor
frequency will adjust based on outdoor air temperature.
Содержание CS-E18NKUA
Страница 9: ...9 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Страница 10: ...10 5 Dimensions 5 1 Indoor Unit ...
Страница 11: ...11 5 2 Outdoor Unit ...
Страница 12: ...12 6 Refrigeration Cycle Diagram ...
Страница 13: ...13 7 Block Diagram ...
Страница 14: ...14 8 Wiring Connection Diagram 8 1 Indoor Unit ...
Страница 15: ...15 8 2 Outdoor Unit ...
Страница 16: ...16 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Страница 17: ...17 9 2 Outdoor Unit ...
Страница 18: ...18 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Страница 19: ...19 10 1 2 Power Printed Circuit Board 10 1 3 Indicator and Receiver Printed Circuit Board ...
Страница 20: ...20 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...
Страница 21: ...21 10 2 2 Noise Filter Printed Circuit Board ...
Страница 45: ...45 15 3 Error Code Table ...
Страница 68: ...68 16 1 1 2 To remove discharge grille ...
Страница 69: ...69 16 1 1 3 To remove control board 16 1 1 4 To remove cross flow fan and indoor fan motor ...
Страница 70: ...70 ...