Setback Manual Setting; Elevating Grille - Hitachi PC-ARFG-E Installation & Operation Manual

FUNCTION MENU

5.10.2 Setback manual setting

This function is used to temporarily activate Setback operation.
It is available only when Setback mode is set as Manual mode;
this function is normally used to set a long vacation.
The items cannot be set/modified if indoor unit does not support
this function.
1 Select "Setback Setting" on the "Function Menu" screen and
press "OK".

5.11 ELEVATING GRILLE

This function is used to raise and lower grille when the air filter
and grille need to be cleaned.
It is available only when the elevating grille is equipped with the
air panel.
?
N O T E
• In order to enable this function there are specific settings to be done
for the input/output contacts. See
to configure the needed settings. If these settings are not set, this
function cannot work.
• When the air inlet grille is set inside the air panel, ensure that the
air inlet grille is horizontal and the wire is suspended tightly without
loosening.
Wire
Gradually move Horizontal
Grille
downward
• After the above is ensured, set the air inlet grille. If the air inlet grille is
inclined and the wire is loosened, they may be caught in the pulley. It
may lead to a failure of the pulley or pulley block. If the worst happens,
it may cause personal injury if the air panel falls open.
• This function is available only for indoor unit elevating grille.
• Make sure that the unit operation is stopped before using the elevating
grille.
• The elevating grille function is not available when the unit is operating.
• One wired controller can control the grille of several indoor units only
if the related indoor units are connected to the A/B line of this wired
controller.
26 PMML0565 rev.1 - 04/2022
"6.1.15 Elevating grille Setting"
Wire should be vertical
2 Press " " or " " to select "ON". Press "OK" and the screen
returns to the "Function Menu" screen.
• The indicator turns on when schedule operation is ON.
• The indicator turns off when schedule operation is OFF.
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N O T E
Setback operation cannot be ON/OFF while wired controller operation is
prohibited.
Use the elevating grille function
1 Select "Elevating Grille" on the "Function Menu" screen and
press "OK".
• If there is only one indoor unit, the elevating grille operation
screen in Step3 is displayed.
2 Press " ", " ", " ", or " " to select the indoor unit(s) for which
the grille has to be raised or lowered. Press "OK".
Refrigerant system number - indoor unit address