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13 SAFETY DEVICE
• • • • INDOOR UNIT
Indoor unit
For fan motor protection
Internal
Protector (49F)
For control protection
Fuse
• • • • OUTDOOR UNIT
Outdoor unit
For refrigerant cycle
High pressure
switch (63H1)
For compressor
Over current protection
Discharge temp.
protection
Discharge temperature
thermistor (Th1)
Liquid compress
protection
Crankcase heater
Compressor protection
Internal protector
For fan motor
protection
Internal protector
(49F)
Heating control
(Heat pump only)
Pressure switch
(Fan speed)(63H2)
Cooling control
Heat exchanger outlet
temperature thermistor
(Th2)
For control protection
Fuse
OFF
ON
CUT
Heat pump
model
Cooling
only model
30
Model
°C
°C
A
Heat
50Hz
pump
model
Cooling
50Hz
only
model
OFF
MPa
ON
MPa
OFF
A
OFF
A 50Hz
RESET
-
Com-
°C
pressor
OFF
Input
W
power
OFF
°C
50Hz
ON
°C
50Hz
Trip
°C
time
OFF
°C
50Hz
ON
°C
50Hz
OFF
MPa
ON
MPa
Control
method
CUT
A
CS-
W50BD3P
135
87
3.15
CU-
W50BBP8
CU-
V50BBP8
3.1
2.3
15
15
Automatic
120
34~41
145
61
3-10sec/
48A
135
85
2.50
2.05
Th
30°C---High speed
Th<30°C---5 speed step control
6.3
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