Jumper Wire Setting; Test Run - Fujitsu AR 7 Installation Manual

SETTING THE ROOM TEMPERATURE
DETECTION LOCATION
The location of the sensor detecting the room temperature
can be selected from the following 2 examples. Choose the
best location depending on the installing condition.
Refer to "10.3. Function setting".
A. Indoor unit sensor setting (factory setting)
The room temperature is detected by the indoor unit tem-
perature sensor. When using this function, the "Room tem-
perature sensor switching (Function number: 42)" is set at
"Indoor unit (00)"
(1) When the THERMO SENSOR button is pressed, the lock
display fl ashes because the function is locked at the factory.
F
B. Indoor unit/remote controller sensor setting
The temperature sensor of both the indoor unit and the re-
mote controller is used to detect the room temperature.
When using this function, the "Room temperature sensor
switching (Function number: 42)" is set at "Both (01)"
(1) Activate the sensor switching function as described in
"Room temperature sensor switching (Function number:
42)."
(2) Press the THERMO SENSOR button for 5 seconds or
more to select the temperature sensor of the indoor unit
or the remote controller.
F

10.4. Jumper wire setting

(1) Drainage function setting (JM1)
If contained drain pump is not used, set the drainage function
to "Invalid" in the drainage function switching.
• If contained drain pump is not use:
When used under "WALL MOUNTED TYPE/FLOOR
STANDING CONCEALED TYPE".
When used in natural drainage under "CEILING CON-
CEALED TYPE".
JM1
♦
Connect
Disconnect
En-22
A
Indoor unit
F
B
Indoor unit
F
(♦... Factory setting)
Drainage Function
Valid
Invalid
(2) Fan delay setting (JM3)
It is a function to delay the stop of cooling fan when the air
conditioner is stopped.
JM3
♦
Connect
Disconnect
• Switching position
Jumper wires
• JM2 setting forbidden

10.5. Test run

Always turn on the power 12 hours prior to the start of the
operation in order to ensure compressor protection.
CHECK ITEMS
(1) Is operation of each button on the remote controller normal?
(2) Does each lamp light normally?
(3) Do the airfl ow direction louvers operate normally?
(4) Is the drain normal?
(5) Is there any error noise and vibration during operation?
• Do not operate the air conditioner in test run for a long time.
[OPERATION METHOD]
• For the operation method, refer to the operating manual.
(1) Stop the air conditioner operation.
(2) Press the MODE button and the FAN button simultane-
ously for 2 seconds or more to start the test run.
(3) Press the START/STOP button to stop the test run.
If "C0" appears on the unit number display, there is a remote
controller error. Refer to the installation manual included with
the remote controller.
Unit Number Error Code
(♦... Factory setting)
Fan Delay
Invalid
Valid
CAUTION
Test run display
Content
Incompatible indoor unit is
connected
Indoor unit  remote con-
troller communication error