Panasonic CS-G95KE / CS-G125KE / CU-G95KE / CU-G125KE Service Manual ▷ View online
D. Standby Control
(a) The purpose of Standby Control is to warm up the compressor when outdoor temperature is low.
The standby control will be activated when all of the followings occur.
(i) Main power is supplied.
(ii) Unit is not operating.
(iii) Outdoor ambient temperature is below 3°C.
(iv) Compressor stops more than 3 hours.
(ii) Unit is not operating.
(iii) Outdoor ambient temperature is below 3°C.
(iv) Compressor stops more than 3 hours.
(b) When the standby control is activated, low electricity will be supplied to compressor for 1 minute and stops for 4 minutes. This condition
is repeated until standby control is cancelled. It will consume about 35 W of electric power.
Electricity supplied to compressor
ON
OFF
ON
OFF
. . . . . . .
Time
1 min
4 min
1 min
4 min
. . . . . . .
(c) Standby control will be cancelled when one of the following conditions occurs.
(i) Unit starts operation.
(ii) Outdoor ambient temperature
(ii) Outdoor ambient temperature
5°C
(iii) Compressor starts operation.
(iv) Protection control is activated.
(iv) Protection control is activated.
(b) When the unit is switched on by the remote control, the compressor operates at frequency as shown in below:-
(e) Jumper (J2) at indoor electronic controller should be open circuit to cancel the standby control.
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CS-G95KE CU-G95KE / CS-G125KE CU-G125KE
5.
Fan Operation
6.
Automatic Operation
This operation is enable the fan operation without compressor running. Timer operation is valid for fan operation.
When the Automatic mode is selected, the operation mode is decided in accordance to remote control setting temperature,
intake air temperature and outdoor air temperature.
intake air temperature and outdoor air temperature.
•
During judging the operation mode, indoor fan is running at Lo
-
speed and outdoor fan at ON in order to sense the indoor
intake air temperature and outdoor air temperature for 20 seconds. At this time, Power LED is blinking.
After the operation mode is selected, Power LED lights up.
Refer to the examples below, there are 4 determination charts when automatic mode is selected.
(a) When setting temperature of remote control is 18°C and below.
(b) When setting temperature of remote control is 19°C ~ 22°C.
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S-G95KE CU-G95KE / CS-G125KE CU-G125KE
(c) When setting temperature of remote control is 23°C ~ 26°C.
(d) When setting temperature of remote control is 27°C and above.
Setting Temp. °C
T1
T2
T3
18 and below
+10
+8
-5
19 - 22
+8
+7
-7
23 - 26
+7
+6
-7
27 and above
+6
+5
-8
Note:
Base temperature for T1 is 29°C
Base temperature for T2 is 27°C
Base temperature for T3 is 21°C
Base temperature for T3 is 21°C
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CS-G95KE CU-G95KE / CS-G125KE CU-G125KE
•
When the operation mode is changed over, the value for t1, t2 and t3 are shifted as below:
Cooling/Soft dry
→
Heating: - 2°C
Heating
→
Cooling/Soft dry: + 2°C
•
When the indoor intake air temperature is lower than 16°C, heating operation is immediately started.
•
When the outdoor air temperature is more than 25°C, and the intake air temperature is over 16°C, cooling operation is
immediately started.
immediately started.
•
The operation mode is judged every 30 minutes.
•
When the operation mode (Heating, Cooling or Soft Dry) is decided, the internal setting temperature will shift as shown below:
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S-G95KE CU-G95KE / CS-G125KE CU-G125KE
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