Service Manual

– 36 –
No.
13
Item
Frequency fixed
operation
(Test run)
(Continued)
Outline of specifications
(Ceiling type)
Procedure
4
2
3
4
5
6
7
Description
Turn on power of the air conditioner.
The operation is not accepted for 5 minutes when power has been turned on at first time after
installation, and 1 minute when power has been turned on at the next time and after. After the
specified time has passed, perform a test operation.
Push [Start/Stop] button and change the operation mode to [COOL] or [HEAT] with [Mode] button.
Then change the fan speed to [High] using [Fan] button.
Test cooling operation Test heating operation
Set temperature to [18°C] using Set temperature to [30°C] using
[Temperature set] button. [Temperature set] button.
After checking the receiving sound After checking the receiving sound
“Pi”, immediately push [Temperature set] “Pi”, immediately push [Temperature set]
button to set to [19°C] button to set to [29°C].
After checking the receiving sound “Pi”, After checking the receiving sound “Pi”,
immediately push [Temperature set] button immediately push [Temperature set] button
to set to [18°C]. to set to [30°C].
Then repeat the procedure
4
→
5
→
4
→
5
.
After approx. 10 seconds, all the display lamps on the sensor part of wireless remote controller,
[Operation] (Green), [Timer] (Green), and [Ready] (Yellow) flash and the air conditioner starts operation.
If the lamps do not flash, repeat the procedure 2 and after.
After the test operation, push [Start/Stop] button to stop the operation.
<Outline of test operation from the wireless remote controller>
Test cooling operation:
Start → 18°C → 19°C → 18°C → 19°C → 18°C → 19°C → 18°C → (Test operation) → Stop
Test heating operation:
Start → 30°C → 29°C → 30°C → 29°C → 30°C → 29°C → 30°C → (Test operation) → Stop
2
3, 4, 5,
6
2, 7
Be sure to set the
air speed to [High]
14 Filter sign display
(Except wireless
type)
∗ It is provided
on the sepa-
rately sold type
TCB-AX21E2.
1) The operation time of the indoor fan is calculated, the filter
reset signal is sent to the remote controller when the
specified time (2500H) has passed, and it is displayed on
LCD.
2) When the filter reset signal has been received from the
remote controller, time of the calculation timer is cleared.
In this case, the measurement time is reset if the specified
time has passed, and display on LCD disappears.
Remarks
[FILTER ] goes on.