Outdoor Unit
CU-A12CTP5
• To protect compressor from reverse
rotation when there is a instantaneous
power failure.
60 Secs. Forced Operation Control
• Once the compressor is activated, it does
not stop within the first 60 secs.
However, it stops immediately with remote
control stop signal.
Overload Protector
• OLP to protect the compressor for A12CT
only.
Inner protector for A18CT & A24CT only.
Compressor Reverse Rotation
Protection Control
Outdoor Fan Operation Control
A18 / 24CT
• 4-pole induction motor (2 speed).
• For Cooling or Soft Dry operation
Hi-speed ............... When outdoor
temperature reaches to 31°C.
Lo-speed .............. When outdoor
temperature reaches to 29°C.
• For Heating operation
Hi-speed ............... When outdoor
temperature reaches to 13.5°C.
Lo-speed .............. When outdoor
temperature reaches to 15.5°C.
• For Over-heating Protection, the Fan is
switched ON or OFF depending on the
piping temperature and the outdoor
temperature.
A12CT
• 6-pole induction motor (1 speed).
CU-A18CTP5
CU-A24CTP5
4-Way Valve Control
• When the unit is switched to “OFF” during
Heating Operation, 4-way valve stays at
Heating position for 5 minutes.
Overload Protection Control
• Outdoor fan stops when indoor heat
exchanger temperature rises to 51°C and
above, and restarts when the indoor heat
exchanger temperature drops to 49°C and
below (A12CT).
• Compressor stop when indoor heat
exchanger temperature reaches 65°C
(A12CT), 68°C (A18CT & A24CT).
(Heating Operation Only)
Deice Control
• To prevent frosting at outdoor heat ex-
changer. (Only for Heating Operation)
Compressor Protection Control
• If the outdoor fan motor is not running after
compressor starts for 50 secs., compressor
will stop. (Cooling and Soft Dry Operation
only).
4
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5
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