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8.
Easy maintenance
function
[This
function
only for A=control]
Display
example
(Comp
discharge
temperature
147°F)
By using the maintenance
mode,
you can display
many
types
of maintenance
data
on the remote
controller
such
as the heat
exchanger
temperature
and compressor
current
consumption
for the indoor
and outdoor
units.
This
function
can be used whether
the air conditioner
is operating
or not.
During
air conditioner
operation,
data can be checked
during
either
normal
operation
or maintenance
mode
stable
operation.
* This
function
cannot
be used
during
the test run.
* The availability
of this function
depends
on the connecting
outdoor
unit. Refer to the
brochures.
(1) Press the
button
for three
seconds
to
DisplayO
activate
the maintenance
mode.
(2) Press the TEMP.
buttons
to set the refrigeran
! add!usa.
............ )
Display e
r* oUPJ 4-_
.....
l
4,
r(3)
Select
the data
you want
to display.
Compressor
information
Outdoor
unit
information
Cumulative
_
ON/OFF
Operation
number ----__u!!t"!
-7
Comp discharge_........._Outdoor ambient
Heat exchanger _
temperature
temperature
q
i/
Indoor room
Heat exchanger _
Filter operation
Ind.....
it
_
tempera!u[e
time
"7
information
NDOdiR Nt
.......... !
* The
filter
operation
time displayed
is the number
of hours
the filter
has been
used since
the filter
reset was performed.
\
÷
((4) Press the
button.
1
4,
t t ,lo data isdisp,ayed
in..
/A,,,owt________omperatur d,sp__,a
p,e/ "1
....
F,ashin_
Display _
_
Waiting for
Approx.10
sec.
147°F
__
response
* Repeat
steps
(2) to (5) to check
another
date.
4,
I
"
(6) Press
the
button
for three
seconds
or press
the
button
to
deactivate
the maintenance
mode.
Stable
operation
Using the maintenance
mode,
the operation
frequency
can be fixed
and the op-
eration
can be stabilized.
If the air conditioner
is stopped,
use the following
proce-
dure to start
this operation.
Press
the
button
to select
the operation
mode.
Stable cooling
Stable heating
Stable operation
operation
_
operation
_
cancellation
"-]
_i
ii
i_A_ _D_
i
i Press
the
_}
button.
Stable
Waiting for stable
operation
operation
oisp,aye
10-20 min.
You can check
the data
using steps
(3) to (5) of the maintenance
mode
opera-
tion procedures
while
waiting
for the stable
operation.
13
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