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Outdoor Unit
CU-A12CTP5
• To protect compressor from reverse
rotation when there is a instantaneous
power failure.
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.
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.
Inner protector for A18CT & A24CT only.
Compressor Reverse Rotation
Protection Control
Protection Control
Outdoor Fan Operation Control
A18 / 24CT
• 4-pole induction motor (2 speed).
• For Cooling or Soft Dry operation
• 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.
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.
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.
piping temperature and the outdoor
temperature.
A12CT
• 6-pole induction motor (1 speed).
• 6-pole induction motor (1 speed).
CU-A18CTP5
CU-A24CTP5
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.
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).
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)
(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).
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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