Mitsubishi Heavy Industries MHI FDU71VNXVF1 Technical Manual page 261

(c) In case of CnT ③ Operation permission/prohibition level > CnTA ② Operation/stop pulse
CnTA
Operation/
stop pulse
CnT
Operation permission/
prohibition level
Operation permission/
prohibition zone
Actual operation
Remote control
Note (1) If it is prohibited by CnT, all "Operation" and "Stop" commands are not accepted.
(d) In case of CnT ② Operation/stop pulse + CnTA ③ Operation permission/prohibition level
CnTA
Operation permission/
prohibition level
CnT
Operation/
stop pulse
Operation permission/
prohibition zone
Actual operation
Remote control
(22) Selection of cooling/heating external input function
(a) When "External input 1 setting: Cooling/heating" is set for the indoor unit function from remote control, the cooling or
heating is selected with CnT-6 or CnTA.
(b) When the External input 1 method selection: Level input is set for the indoor unit function:
・ CnT-6 or CnTA: OPEN → Cooling operation mode
・ CnT-6 or CnTA: CLOSE → Heating operation mode
(c) When the External input 1 method selection: Pulse input is set for the indoor unit function:
If the external input is changed OPEN → CLOSE, operation modes are inverted (Cooling → Heating or Heating →
Cooling).
(d) If the cooling/heating selection signal is given by the external input, the operation mode is transmitted to the remote
control.
■ Selection of cooling/heating external input function
External input selection
External input selection
Cooling/heating selection
Notes (1) Regarding the priority order for combinations of CnT and CnTA, refer to Page 257.
ON ON
OFF OFF
ON
OFF
Operation
prohibition
Stop
OFF
ON ON
OFF OFF
Operation permission
Operation
prohibition
Operation
Stop Stop
External input method
⑤ Level
⑥ Pulse
ON ON
OFF
OFF
Operation
permission
Operation
prohibition
Operation
Stop
Remote
control ON
ON
OFF
ON ON
OFF
Operation
prohibition
Operation
Stop
Remote
control ON
External terminal input
(CnT or CnTA)
Cooling/heating
Cooling/heating
(Competitive)
External terminal input
(CnT or CnTA)
Cooling/heating
Cooling/heating
(Competitive)
260
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'12 • PAC-T-178
ON
OFF
ON
OFF
Operation
permission
Operation
prohibition
Operation Operation
Stop Stop
Remote Remote
control OFF control ON
ON
OFF
ON
OFF
Operation permission
Operation
prohibition
Operation Operation
Stop Stop
Remote Remote
control OFF control ON
Operation
ON
OFF
OFF
Cooling zone Heating zone Cooling zone
Heating
Cooling Cooling
Heating
Cooling Cooling
Auto, cooling, dry mode command↑
from remote control
ON
OFF OFF
Heating zone
↑After setting "Cooling/heating selection", the cooling/heating is
selected by the current operation mode.
During heating:: Set at the heating zone (cooling prohibition zone).
During cooling, dry, auto and fan mode: Set
at cooling zone (heating prohibition zone).
Heating
Auto
Cooling
Heating
Auto
Cooling
↑Set "Cooling/ ↑Auto, cooling, dry mode command
Heating" "Pulse" by remote control
ON
Heating zone
Heating
Heating
↑Heating, auto, heating mode command
from remote control
ON
Cooling zone
Cooling
Cooling
↑Auto, heating mode
command by remote control