Panasonic CU-MA190KE - Outdoor Unit Functions

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MAC9509078C2
CS-MA90KE
Compressor Reverse Rotation
Protection Control
Outdoor Unit
Functions
• To protect compressor from reverse
rotation when there is a instantaneous
power failure.
Overload Protector
• CS-MA90KE and CS-MA120KE
2-stage OLP to protect the compressor.
Overload Protector will trip when
– Temperature of compressor increases to
120°C.
– High temperature or high current flow to
compressor.
(Refer circuit diagram for OLP characteristic)
• CS-MA70KE
OLP to protect the compressor.
– OLP characteristic can be referred to
circuit diagram.
Overload Protection Control
• Outdoor fan stops when indoor heat
exchanger temperature rises to 51°C and
restarts when the indoor heat exchanger
temperature drops to 49°C.
• Compressor stops when indoor heat
exchanger temperature reaches 65°C or
above.
(Heating Operation only)
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).
• When the unit is switched to “OFF” during
Heating Operation, 4-way valve stays at
Heating position for 5 minutes.
• Inner protector.
4-Way Valve Control
Outdoor Fan Operation Control
60 Secs. Forced Operation Control
• Once the compressor is activated, it does
not stop for 60 secs. (Stops immediate
with remote control stop signal.)
Deice Control
• To prevent frosting at outdoor heat
exchanger. (Only for Heating Operation)
• Outdoor indoor heat exchanger is sensed
by TRS (Thermal Reed Switch).
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