Panasonic CS-G93KE Service Manual page 38

CS-G93KE
Operation Details
2. DC Peak Current Control
When the electric current to the IPM (power transistor) exceeds the set value, DC 27 ± 4A, the compressor
•
stops. The compressor restarts after 3 minutes.
• If within 30 seconds the set value is exceeded again, the compressor will stop for 1 minute. If this condition
repeats for 7 times, all indoor and outdoor relays will be turned off; TIMER LED will blink and F99 is displayed.
DC electric current
e. Compressor Overheating Prevention Control
• When the temperature of compressor rises to 105°C, the frequency is reduced as shown in diagram below.
When the temperature rises to 115°C or above, the compressor stops. The compressor will start operating
at low frequency when the temperature falls to 115°C and resume to normal condition when the temperature
falls to 94°C.
Compressor
temp. (°C)
Condition
• The compressor stops when the temperature rises to 115°C. If this condition occurs 4 times within 20
minutes, all indoor and outdoors relays will be turned off; TIMER LED will blink and F97 is displayed.
f. Low Pressure Control (Gas Leakage Detection)
• When the following conditions as shown in the below table occur, the compressor stops and restarts after
3 minutes. If this phenomenon is continuously occuring twice within 30 minutes, all indoor and outdoor relays
will be turned off; TIMER LED will blink and F91 is displayed.
Comp. Frequency *
Total Running
Current
Indoor Heat
Exchanger Temp.
Operation
Model No.
Note: The above conditions are not valid during Deice operation.
*
(A)
27±4
Comp. Off
3 min
3 min
30 sec
30 sec
Comp OFF
115
max 33 Hz (CU-G93KE)
max 36 Hz (CU-G123KE)
110
max 40Hz (CU-G93KE)
106
max 49Hz (CU-G123KE)
105
94
Free
When temperature rises
51 Hz and above
≥ 1.88 A and
*
< 1.9 A
15°C
or above
Cooling/Soft Dry
CU-G93KE
This conditions are continuous for 5 minutes.
Comp.
Off
1 min 30 sec 30 sec
1 min 30 sec 30 sec
7 times
Comp OFF
max 33 Hz (CU-G93KE)
max 36 Hz (CU-G123KE)
max 40Hz (CU-G93KE)
max 49Hz (CU-G123KE)
Free
When temperature falls
71 Hz and above 70 Hz and above
≥ 1.88 A and ≥ 1.88 A and
< 2.1 A < 2.4 A
30°C 15°C
or below or above
Heating Cooling/Soft Dry
– 43 –
TIMER LED blinks
Comp.
F99 is displayed
Off
1 min 30 sec
1 min 30 sec
90 Hz and above
≥ 1.88 A and
< 2.7 A
30°C
or below
Heating
CU-G123KE