Operation Control - Hitachi PC-ARFP1E Installations- Und Betriebshandbuch

OTHER INDICATIONS

10.1.8 Operation control

• Power Activation
The icon "Preheating" is displayed.
The compressor is preheating.
Because the unit cannot operate beyond four hours at a
maximum, do not turn OFF the power of the outdoor unit in a
Cooling/Heating season.
Apply power to the outdoor unit(s) at least 12 hours prior to
operation of the system for preheating of the compressor oil.
Meeting Room
A/C
MODE SPEED LOUV.
COOL
Preheating
SPEED Adj.
• Activating in Hot Start (only for Heating Mode)
The icon "HOT-START" is displayed.
The icon "HOT-START" will turn OFF when the unit is not
operating.
A/C Meeting Room
MODE SPEED LOUV.
COOL
HOT-START
SPEED Adj.
In an instance where the operation mode set by the central
station is different from the operation mode of the outdoor
unit (when the outdoor unit is operating in a mode other than
heat/cool simultaneous operation), the current operation
mode and the message "Other remote are in HEAT setting"
will be flashing.
A/C
MODE SPEED LOUV.
COOL
HEAT
Other remote are in HEAT setting
Flashing
Indication when "COOL" operation is set by the remote
control switch at the outdoor unit "HEAT" operation.
71 PMML0496 rev.1 - 12/2020
TEMP
TEMP
Meeting Room
TEMP
10.1.9 Setback operation
While in setback operation, setpoint is compensated and fan
operates at "Low" speed. During this time, "Setback" is displayed
on the LCD.
A/C Meeting Room
MODE SPEED LOUV.
COOL
Setback
SPEED Adj.
"Setback aborted" will be displayed on the LCD when Setback is
aborted.
Meeting Room
A/C
MODE SPEED LOUV.
COOL
Setback aborted
SPEED Adj.
?
N O T E
Optional function configuration is needed for the use of setback operation
and changing compensation for setback.
TEMP
TEMP