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2-4. Test run
To run a test, follow the procedure below.
(1) Touch the Test Run button on the Service Menu screen to access the Test Run screen.
(2) Touch the OFF(ON) button (labeled
1
in the figure) to run a test on the group.
Test Run screen
Test Run Advanced setting screen
(3) During the test run, verify that air conditioned air is blowing out of the supply air outlet.
(4) After checking for normal operation of each unit, stop the units through AT-50A or the local remote controllers.
* Refer to the indoor unit installation manual for the detailed information about test run.
2-5. Maintenance
Touch the Maintenance button [
] on the Service Menu screen to access the Maintenance screen.
(1) To view the System information
Touch [System View] button on the Maintenance screen to view a list of equipments connected to the same refrigerant system.
* Only the ones whose startup procedures have been successfully completed will appear in the list.
(2) To view the Malfunction Log
Touch the Malfunction Log button on the Maintenance screen to view. The latest 50 malfunctions will appear three at a time.
Button
Function
1
OFF(ON)/Test Run
Touch the OFF(ON) button to start a test run.
Touch the Test Run button to stop the test run.
(These buttons are active only for the units that
support the test run function.)
2
Operation mode
Touch this button to switch the operation mode.
3
Pipe temperature
The pipe temperature of the indoor unit with the
lowest address in a given group will appear.
4
Advanced settings
Touch this button for advanced settings.
Display
Function
A
Indoor temperature
Indoor air temperature will appear.
B
Unit address up/
down arrows
Use the up/down arrows to select the indoor unit
whose pipe temperature you want to check.
C
Pipe temperature
The pipe temperature of the indoor unit whose
address is shown on the screen will appear.
D
Remaining time
The remaining time for the test run will appear.
Display content
1
Outdoor unit address
The addresses of the outdoor units that are
connected to AT-50A will appear. (The number in
the parentheses indicates the address of the Sub
unit.)
2
Indoor unit address
The addresses of the indoor units that are
connected to given outdoor units will appear.
Display content
1
Occurrence date
The date on which the error occurred.
2
Error source unit address
The address of the unit with the error.
3
Error detection unit address
The address of the unit that detected the
error.
4
Error code
The error code that corresponds to the error.
5
Clear Log button
Use this button to clear all records on the
Malfunction Log.
* Refer to the Instruction Book on how to make the settings not mentioned in this
manual (e.g., schedule settings and button lock settings).
3
4
2
1
A
D
C
B
1
2
5
4
3
2
1