English 23
11. TEST OPERATION
11-1 TO PERFORM A TEST RUN
This task is only applicable when using the BRC1E53 user interface. When using any other user interface,
see the installation manual or service manual of the user interface.
• Backlight. To perform an ON/OFF action on the user interface, the backlight does not need to be lit. For
any other action, it needs to be lit first. The backlight is lit for ±30 seconds when you press a button.
(1) Perform introductory steps.
Table 13
(2) Start the test run.
Table 14
(3) Check operation for 3 minutes.
(4) Check operation of the airflow direction.
#
Action
1
Open the liquid stop valve (A) and gas stop valve (B) by removing the stem cap and turning counter-
clockwise with a hex wrench until it stops.
2 Close the service cover to prevent electric shocks.
3 Turn On power for at least 6 hours before starting operation to protect the compressor.
4 On the user interface, set the unit to cooling operation mode.
# Action Result
1 Go to the home menu
2
Press at least 4 seconds.
The Service Setting menu is displayed.
3
Select the Test Operation.
4
Press.
Test Operation is displayed on the home menu.
5
Press within 10 seconds.
Test run starts.
Return Setting
Service Settings 1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
Cool
Return Setting
Test Operation
4PEN468968-1C.book Page 23 Friday, March 24, 2017 1:30 PM