Night Quiet Operation - Hitachi PC-ARF1 Operation Manual

8.7

Night Quiet Operation

This function is used to control the operation noise
of the outdoor unit.
• Depending on the type and setting of the indoor
unit and outdoor unit it may be impossible to set
this function.
NOTE:
• The "Main/Sub-Remote" display in the "Current
Setting" of the "Help Menu" cannot be set if
"Sub" or "−−" is displayed.
• Depending on the operation noise reduction
setting below, it is possible to change the
function setting to reduce the noise of the
outdoor unit.
Setting
Not Available
LOW
MED
HIGH
If questions arise concerning the amount of
noise, contact your distributor for detailed
information.
• The cooling/heating capacity can be decreased
when using the "Operation Noise Reduction"
setting.
(1) Select "Operation Noise Reduction" from the
"Menu" and press "OK".
The "Operation Noise Reduction" setting
screen will be displayed.
Menu
OK
Back/Help
Menu
OK
Back/Help
P5417005
Outdoor Unit Setting Name
No Setting
Setting 1
Setting 2
Setting 3
Menu 15:10(Fri)
Operation Noise Reduction
Quick Function
Comfort Setting
Sav/Reduction Schedule
Function 10
Sel. Entr
OK Back
(2) By pressing "
change as follows.
OFF ↔ LOW ↔ MED ↔ HIGH
Select the level and press "OK".
OK
OK
(3) The setting confirmation screen will be
displayed. Select "Yes" with "
and press "OK" to confirm the setting. The
screen will return to normal mode.
OK
OK
02
/
05
Rtrn
" or " " the setting will
Menu
Operation Noise Reduction
Back/Help
Noise Red OFF
Menu
Adj. OK Entr
Back/Help
" or "
Menu
Operation Noise Reduction
Back/Help
Set operation noise
reduction?
Menu
Yes No
Sel. Entr
OK
Back/Help
Back Rtrn
"
Rtrn
Back
19