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Panasonic CS-E15GKEW Service Manual

Panasonic CS-E15GKEW
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54
12.2.1.4. IPM (Power transistor) Prevention Control
A. Overheating Prevention Control
1. When the IPM temperature rises to 100°C, compressor operation will stop immediately.
2. Compressor operation restarts after 3 minutes the temperature decreases to 95°C.
B. DC Peak Current Control
1. When electric current to IPM exceeds set value of 18.5 A, the compressor will stop operate. Then, operation will restart
after 3 minutes.
2. If the set value is exceeded again more than 30 seconds after the compressor starts, the operation will restart after 2
minutes.
3. If 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.
12.2.1.5. Compressor Overheating Prevention Control
Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency
are as below figure.
If compressor discharge temperature exceeds 110°C, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be
blinking. (“F97” is to be confirmed.)
12.2.1.6. Low Pressure Prevention Control (Gas Leakage Detection)
a. Control start conditions
• For 5 minutes, the compressor continuously operates and outdoor total current is between 0.65A and 1.65A.
• During Cooling and Soft Dry operations:
Indoor suction temperature - indoor piping temperature is below 4°C.
• During Heating operations :
Indoor piping temperature - indoor suction is under 5°C.
b. Control contents
• Compressor stops (and restart after 3 minutes).
• If the conditions above happen 2 times within 20 minutes, the unit will:
- Stop operation
- Timer LED blinks and “F91” indicated.
12.2.1.7. Compressor Tank Temperature Rise Protection Control
a. Control start conditions
• For 5 minutes, the compressor continuously operates and outdoor total current is between 0.65A and 1.65A.
• During Cooling and Soft Dry operations:
Indoor suction temperature - indoor piping temperature is below 4°C.
Indoor temperature and outdoor temperature is 30±5°C.
Remote Control setting 16°C and Hi Fan Speed.
• During Heating operations:
Indoor piping temperature - indoor suction is under 5°C.
Indoor temperature and outdoor temperature is 20 ± 2°C.
Remote control setting 30°C and Hi Fan Speed.

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Panasonic CS-E15GKEW Specifications

General IconGeneral
BrandPanasonic
ModelCS-E15GKEW
CategoryAir Conditioner
LanguageEnglish

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