Test Run Method; Test Run From Outdoor Pc Board; Test Run From Remote Controller - Fujitsu R407C Service Manual

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.

1-3-1 TEST RUN FROM OUTDOOR PC BOARD

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.
SW1-2 SW1-1 Operation Mode
OFF Normal Operation
OFF
ON ON Normal Operation
ON OFF Heating Test Run
ON
OFF Cooling Test Run

1-3-2 TEST RUN FROM REMOTE CONTROLLER

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.
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 -
in the test run frame of UTB -
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.
Select position of [SW1-2, SW1-1]
[OFF,ON] or [ON,OFF]
[OFF,ON] or [ON,OFF]
[OFF,OFF] [ON,OFF]
[OFF,OFF] [OFF,ON]
*
SA or short two pieces of metallic bodies
*
VA, while the air conditioner is running.
[OFF,OFF]
[ON,ON]
UTB - LA
NON STOP
CLOCK
TIMER SET TIME
MODE
CLOCK ADJUST
UTB -
A B C D
01-03
UTB - LB
NON STOP CLOCK
COOL
C
TEST
TEMP./DAY FAN
CONTROL
MASTER
CONTROL
OP
ZONE ENERG
SET D
SE T
*
SA
START/STOP button
TEST RUN button
COOL
C
TEST
*
UTB - VA
TEST
RUN