Heat pump 
model
Indoor unit CS-A24BB4P CS-A28BB4P CS-A34BB4P CS-A43BB4PCS
Cooling only 
model
For Fan Motor 
Protection, 
OFF °C 135 135 135 135
Internal Protector 
(49F)
ON °C 85 85 85 85
For Control 
Protection, Fuse
CUT A 3.15 3.15 3.15 3.15
OUTDOOR UNIT
Outdoor Unit Heat 
pump 
model
50Hz
CU-
A24BBP5
CU-
A28BBP5
CU-
A28BBP8
CU-
A34BBP5
CU-
A34BBP8
CU-
A43BBP8
Cooling 
only
50Hz
CU-
C24BBP5
CU-
C28BBP5
CU-
C28BBP8
CU-
C34BBP5
CU-
C34BBP8
CU-
C43BBP8
model
60Hz
CU-
C28BBP6
- - CU-
C34BBP7
CU-
C43BBP7
For 
Refrigerant 
Cycle,
OFF
MPa
2.94 2.94 2.94 2.94 2.94 2.94
 
High 
Pressure 
Switch (63H
1
)
 
ON
MPa
2.84 2.84 2.84 2.84 2.84 2.84
For  OFF A 19 20 9 28 10 11
Compressor  (Heat 
pump)
Over Current  OFF A
19 20 9
28
10 11
Protection (Cooling 
only)
50Hz
A
24 25 _
_
19 26
60Hz
RESET - Automatic Automatic Automatic Automatic Automatic Automatic
Discharge 
Temp.
Compressor
°C 115 115 115 120 120 120
Protection, OFF
Discharge 
Temp.
Thermistor 
(Th1)
77