1-3 TEST RUN METHOD
Supply power to the crankcase heater for 12 hours prior to the start of operation if the outdoor temperature is lower
than 20 . The following is the procedure for the test run operation.
By setting DIP SW1-1 and SW1-2 on control PC board of outdoor unit, cooling test run or heating test run for all the indoor units
in the same refrigerant system can be performed.
1-3-1 TEST RUN FROM OUTDOOR PC BOARD
OFF [OFF,ON] or [ON,OFF]
SW1-2
Operation Mode
Select position of [SW1-2, SW1-1]
ON
ON
OFF
SW1-1
OFF
ON
ON
OFF
Normal Operation
Normal Operation
Heating Test Run
Cooling Test Run
[OFF,OFF]
[OFF,ON] or [ON,OFF]
[ON,ON]
[OFF,OFF]
[ON,OFF]
[OFF,OFF]
[OFF,ON]
01-03
1) Standard wired remote controller
Stop the indoor and outdoor units. Push the FAN CONTROL button and
MASTER CONTROL button simultaneously for more than three seconds.
The air conditioner will start to conduct a test run and TEST will display on
the remote controller display.
However, the SET TEMP./DAY setting button does not have function,
but all other buttons, displays, and protection functions will operate.
1-3-2 TEST RUN FROM REMOTE CONTROLLER
To stop test run, push the START/STOP button of the standard wired remote
controller.
For the operation method, refer to the operating manual and perform operation
check.
Check that there are no abnormal sounds or vibration sounds during test run
operation.
2) Standard wireless remote controller
Press the test button of UTB - SA or short two pieces of metallic bodies
in the test run frame of UTB - VA, while the air conditioner is running.
To stop test run operation, push START/STOP button of the wireless
remote controller.
When the air conditioner is being test run, the OPERATION
and TIMER lamps of indoor unit flash slowly at the same time.
START/STOP button
TEST RUN button
A B C D
TEST
RUN
UTB - SA
UTB - VA
*
*
*
*
SET
MASTER
CONTROL
FAN
CONTROL
TIMER
MODE
TEMP./DAY
SET TIME
CLOCK ADJUST
OP
SET
D
ZONE
ENERG
COOL
CLOCK
C
NON STOP
TEST
COOL
CLOCK
C
NON STOP
TEST
UTB - LA
UTB - LB
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