35
(For RE9JKX-1,RE12JKX-1) (RE15JKX-1)
13.1.4 IPM (Power transistor) Protection Control.
1. DC Peak Current Control
● When electric current to IPM exceeds set value of DC17.3 1A, the compressor will stop. It will restart after
three minutes.
● If the set value is exceeded again within 30 seconds, the operation will restart after one minute.
● If this condition repeats continuously for seven times, all indoor and outdoor relays will be cut off.
● Error code [F99] will be displayed.
2. Overheating protection control
When the IPM temperature rises to 112 ℃ , compressor will stop immediately.
Compressor restarts after three minutes if the temperature decreases to 97℃
13.1.5 Compressor Overheating Prevention Control
Instructed frequency for compressor operation will be regulated compressor discharge temperature. The change of
frequency is as below.
13.1.6 Low pressure Prevention control (Gas Leakage Detection)
1. When the conditions listed in the table occur, the compressor stops and restarts after three minutes.
2. If this continuously occurs for twice within 20 minutes, all indoor and outdoor relays will be cut off.
3. This control is not applicable for deice operation.
Comp Frequency 45 Hz or above 64 Hz or above 58 Hz or above 73 Hz or above
Total Outdoor Current
1b≤1＜3 1b≤1＜1.6 1b≤1＜1.3 1b≤1＜1.6
Indoor Piping Temp
20 ℃ or above 25 ℃ or less 20 ℃ or above 25 ℃ or less
Operation Mode Cool/Dry Heat Cool/Dry Heat
Model RE9JKX-1 RE12JKX-1
13.1.7 Low Operation Frequency Protection Control
If all following conditions exists, the compressor will run with the frequency of 40 Hz (RE9JKX-1,RE12JKX-1) or 30Hz
(RE15JKX-1)
Models RE9JKX-1, RE12JKX-1 RE15JKX-1
Intake Air Temp.
≥30 ℃ or ＜15 ℃
-------------------
≥30 ℃ or ＜14 ℃ ≥28 ℃ or ＜14 ℃
Outdoor Temp.
≥38 ℃ or ＜16 ℃ ≥24 ℃ or ＜4 ℃ ≥38 ℃ or ＜13 ℃ ≥24 ℃ or ＜4 ℃
Indoor Piping Temp.
＜30 ℃ ≥0 ℃ ＜30 ℃ ≥0 ℃
Operation Mode Cool / Dry Heat Cool/ Dry Heat
13.1.8 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:
39 ℃
39 ℃
39 ℃
38 ℃
Outdoor temperature
RE9/12JKX-1
112 ℃
112 ℃
110 ℃
100 ℃
RE15JKX-1
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