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11. TEST OPERATION
11-1 TO PERFORM A TEST RUN
CAUTION
This task is only applicable when using the BRC1E52 or BRC1E53 user interface. When using any other
user interface, see the installation manual or service manual of the user interface.
NOTE
•
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 8
(2)
Start the test run.
Table 9
(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.
A
B
Cool
Set to
28
°C
Return
Setting
Service Settings 1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
Cool
Return
Setting
Test Operation
4PEN469441-1.book Page 33 Tuesday, March 21, 2017 1:49 PM