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13 Protection Control
13.1. Protection Control For All Operations
13.1.1.
Restart 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.
13.1.2.
30 Seconds Forced Operation
• Once the air conditioner is turned on, the compressor will not stop within 30 seconds in a normal operation although the intake air
temperature has reached the thermo-off temperature. However, force stop by pressing the OFF/ON button at the remote control
is permitted or the Auto OFF/ON button at indoor unit.
• The reason for the compressor to force operation for minimum 30 seconds is to allow the refrigerant oil run in a full cycle and
return back to the outdoor unit.
13.1.3.
Total Running Current Control
1. When the outdoor unit total running current (AC) exceeds X value, the frequency instructed for compressor operation will be
decreased.
2. If the running current does not exceed X value for 5 seconds, the frequency instructed will be increased.
3. However, if total outdoor unit running current exceeds Y value, compressor will be stopped immediately for 3 minutes.
4. The first 30 minutes of cooling operation, (A) will be applied.
13.1.4.
IPM (Power transistor) Prevention Control
A. Overheating Prevention Control
1. When the IPM temperature rises to 100
q
C, compressor operation will stop immediately.
2. Compressor operation restarts after 3 minutes the temperature decreases to 95
q
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.
Model
E7HK
E9HK
E12HK
E15HK
Operation Mode
X (A)
Y (A)
X (A)
Y (A)
X (A)
Y (A)
X (A)
Y (A)
Cooling/Soft Dry (A)
3.95
15.0
4.54
15.0
6.86
15.0
7.52
15.0
Cooling/Soft Dry (B)
3.6
15.0
4.12
15.0
6.35
15.0
7.16
15.0
Heating
4.37
15.0
5.57
15.0
8.03
15.0
8.55
15.0
Содержание CS-E7HKEW
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Страница 13: ...13 2 5 Outdoor Unit CU 2E15GBE ...
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Страница 21: ...21 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Страница 22: ...22 5 Dimensions 5 1 Indoor Unit ...
Страница 23: ...23 5 2 Outdoor Unit 5 2 1 CU E7HKE CU E9HKE CU E12HKE 5 2 2 CU E15HKE ...
Страница 26: ...26 7 Block Diagram 7 1 CS E7HKEW CU E7HKE CS E9HKEW CU E9HKE CS E12HKEW CU E12HKE ...
Страница 27: ...27 7 2 CS E15HKEW CU E15HKE ...
Страница 28: ...28 8 Wiring Connection Diagram 8 1 Indoor Unit ...
Страница 29: ...29 8 2 Outdoor Unit 8 2 1 CU E7HKE CU E9HKE CU E12HKE ...
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Страница 31: ...31 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
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Страница 34: ...34 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
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Страница 40: ...40 3 For the embedded piping This can be used for left rear piping and left bottom piping also ...
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Страница 68: ...68 16 1 4 To remove control board 16 1 5 To remove cross flow fan and indoor fan motor ...
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Страница 72: ...72 17 Technical Data 17 1 Operation Characteristics 17 1 1 CS E7HKEW CU E7HKE ...
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