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12
EASY MAINTENANCE FUNCTION
Reduces maintenance work drastically.
Enables you to check operation data of the indoor and outdoor units by remote controller.
Furthermore, use of maintenance stable-operation control that fixes the operating frequency, allows smooth inspection, even for
inverter models.
Smooth Mainte-
nance Function
Easy maintenance information (unit)
Compressor
Outdoor unit
Accumulated operating
Heat exchanger
time ( 10 hours)
temperature (
Number of ON/OFF
Discharge
times ( 10 times)
temperature (
Operating
Outside air
current (A)
temperature (
* The filter operating time is the time that has elapsed since the filter was reset.
12-1. MAINTENANCE MODE OPERATION METHOD
* If you are going to use 12-2. "GUIDE FOR OPERATION CONDITION", set the airflow to "High" before activating maintenance mode.
Switching to maintenance mode
Maintenance mode can be activated either when the air conditioner is operated or stopped.
It cannot be activated during test run.
Maintenance information can be viewed even if the air conditioner is stopped.
(1) Press the
button for 3 seconds to switch to maintenance mode.
TEST
[Display
]
MAINTENANCE
If stable operation is unnecessary or if you want to check the data with the air conditioner stopped, skip to step (4).
Fixed Hz operation
The operating frequency can be fixed to stabilize operation of inverter model.
If the air conditioner is currently stopped, start it by this operation.
(2) Press the
button to select the desired operation mode.
MODE
Stable cooling
[Display
]
operation
COOL
STABLE MODE
(3) Press the
( ) button to confirm the setting.
FILTER
[Display
] Waiting for stabilization
OCH526
Discharge temperature 64
Indoor unit
Intake air
)
temperature (
)
Heat exchanger
)
temperature (
)
Filter operating
)
time* (Hours)
Remote controller button information
Compressor information Outdoor unit information Indoor unit information
Operation mode
Stable heating
Stable operation
operation
cancellation
HEAT
STABLE MODE
STABLE MODE
CANCEL
Conventional inspection work
Outdoor unit
Measure
Remove the
the intake air
service panel.
temperature.
Measure the discharge
Measure the outside air
temperature.
temperature
Confirm
Activate/cancel maintenance mode
After 10 to 20 minutes
90
Indoor unit
Stabilized
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