Outdoor unit Heat
pump
model
50Hz
CU-
A24BBP5
CU-
A28BBP5
CU-
A28BBP8
CU-
A34BBP5
CU-
A34BBP8
CU-
A43BBP8
Cooling
only
model
50Hz
CU-
C24BBP5
CU-
C28BBP5
CU-
C28BBP8
CU-
C34BBP5
CU-
C34BBP8
CU-
C43BBP8
For
refrigerant
cycle
High pressure OFF MPa 2.94 2.94 2.94 2.94 2.94 2.94
switch (63H1) ON MPa 2.84 2.84 2.84 2.84 2.84 2.84
For
compressor
Over current protection
Heat
pump
model
OFF A 19 20 9 28 10 11
Cooling
only
model
OFF A
50Hz
19 20 9 28 10 11
RESET - Automatic Automatic
Automatic
Automatic Automatic Automatic
Discharge temp
protection
Discharge
temperature
thermistor
(Th1)
Com-
pressor
OFF
°C 115 115 115 120 120 120
Liquid compress
protection
Crankcase
heater
Input
power
W 31-37 31-37 31-37 31-37 31-37 34-41
Compressor
protection
Internal
protector
OFF °C
50Hz
160 165 120(*) 115 135 120
ON °C
50Hz
90 102 90(*) 61 61 61
Trip time
50Hz
5-15sec/
55A
5-15sec/
55A
- 10sec/44A 10sec/40A 10sec/40A
For fan motor protection
Internal OFF °C
50Hz
135 135 135 135 135 135
protector (49F) ON °C
50Hz
85 85 85 85 85 85