CnT input
Unit
(Case A)
Unit
(Case B)
OFF
OFF
*ON
ON
ON
ON
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
Note (1) The ON with the * mark indi-
cates an ON operation using the
wired remote control, etc.
*ON
(i) Level input
If the factory settings (Jumper wire J1 external input on the PCB of indoor unit) are set, or “LEVEL INPUT” is se-
lected in the wired remote control’s indoor unit settings.
1) Input signal to CnT OFF
→
ON Air-conditioner ON
2) Input signal to CnT ON
→
OFF Air-conditioner OFF
(ii) Pulse input
When Jumper wire J1 on the PCB of indoor unit is cut at the eld or “PULSE INPUT” is selected in the wired remote
control’s indoor unit settings.
Input signal to CnT becomes valid at OFF
→
ON only and the motion of air-conditioner [ON/OFF] is inverted.
CnT input
Unit
(Case A)
Unit
(Case B)
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
OFF
OFF
(19) Hot keep operation
During the heating operation, the indoor fan speed can be is controlled based on the temperature of the indoor heat exchanger
(Th2) to prevent blowing out of cold air.
(20) Frost prevention control
(a) Operating conditions
(b) Detail of anti-frost operation
(c) Reset condition
Indoor heat exchanger
temperature (ºC)
2.
Operation mode
Item
Protective control Reset
Compressor operation
Indoor fan
Forced outageOperation instruction
Depends on operation mode
2.5(i)
Reset
Protective
control
8
(ii)
-
159
-
'16 • SCM-T-199
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