Hitachi PC-ARF Technical Catalogue page 129

4 Individual remote controls
PC-ARF
Defrost
• Defrost Operation
"DFR" is turned ON during the defrosting.
The indoor fan is stopped though the indication is not changed. The louver is
fixed at the horizontal position. However, the louver indication of LCD continues
to activate.
• Operation Stoppage during Defrosting Operation
The RUN indicator (Green) is turned OFF when the operation is stopped during the defrosting.
However, the operation continues with "DFR" indication, and the unit is stopped after the defrost operation is finished.
Operation control
• Supplying Electrical Power
"HOT-ST" is turned ON when the electrical power is turned ON.
In this case, the compressor is under preheating. The operation may not be
available for max 4 hours. Do not turn off the outdoor unit electrical power during
the high season for Cooling/Heating operation.
• During Hot Start (Heating Operation Only) "HOT-ST" is turned ON.
• Different Operation Mode
The operation mode set by the remote control switch is different with the out-
door unit operation mode. (Except for the heat recovery system models.)
The indication of the actual operation mode flashes.
Indication when "COOL" operation is set by the remote control switch at the
outdoor unit "HEAT" operation.
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TCGB0106 rev.0 - 12/2014
Meeting Room
A/C
MODE SPEED LOUV. TEMP
HEAT
MED
DFR
LOUV. ADJ
Turned ON
Meeting Room
A/C
MODE SPEED TEMP
HEAT
MED
HOT-ST
LOUV. ADJ
Turned ON
Meeting Room
A/C
MODE SPEED LOUV. TEMP
HEAT
MED
HOT-ST
LOUV. ADJ
Turned ON
Meeting Room
A/C
MODE SPEED LOUV. TEMP
COOL
MED
HEAT
LOUV. ADJ
Flashing
4