D
A
PAR-21MAA
(1) Press the
TEST
button for 3 seconds to
TEST
activate the maintenance mode.
(2) Press the TEMP.
buttons to set the refrigerant address.
(3) Select the data you want to display.
Cumulative
Compressor
operation time
information
COMP ON
Display
A
MENU
x10 HOURS
Heat exchanger
Outdoor unit
temperature
information
OUTDOOR UNIT
Display
A
H•EXC. TEMP
ON/OFF
Indoor room
Indoor unit
temperature
information
INDOOR UNIT
Display
A
INLET TEMP
* 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.
FILTER .
FILTER
(5) The data is displayed in
.
C
C
.
Display
* Repeat steps (2) to (5) to check another data.
TEST
(6) Press the
button for 3 seconds or press the
TEST
deactivate the maintenance mode.
C
B
MAINTENANCE
Display
A
Display
B
Operation
ON/OFF
current
number
COMP ON
COMP ON
x100 TIMES
CURRENT (A)
Outdoor ambient
Comp discharge
temperature
temperature
OUTDOOR UNIT
OUTDOOR UNIT
OUTLET TEMP
OUTDOOR TEMP
Filter operation
Heat exchanger
time
temperature
INDOOR UNIT
INDOOR UNIT
H•EXC. TEMP
FILTER USE H
(Airflow temperature display example)
Blinking
C
Approx.
Waiting for
64
10 sec.
response
ON/OFF
button to
ON/OFF
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 pro-
cedure to start this operation.
Press the
MODE
button to select the operation mode.
MODE
Stable cooling
operation
COOL
Display
A
STABLE MODE
FILTER .
Press the
button.
FILTER
Waiting for
stable operation
D
Display
* You can check the data using steps (3) to (5) of the maintenance mode opera-
tion procedures while waiting for the stable operation.
Stable operation
Stable heating
operation
cancellation
HEAT
STABLE MODE
STABLE MODE
CANCEL
Stable
operation
10-20 min.