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12. SETUP AT LOCAL SITE AND OTHERS
12-1. Indoor Unit
12-1-1. Test Run Setup on Remote Controller
<Wired remote controller>
1. When pushing
TEST
button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display.
Then push
ON / OFF
button.
• “TEST” is displayed on LC display during operation of Test Run.
• During Test Run, temperature cannot be adjusted but air volume can be selected.
• In heating and cooling operation, a command to fix the Test Run frequency is output.
• Detection of error is performed as usual. However, do not use this function except case of Test Run
because it applies load on the unit.
2. Use either heating or cooling operation mode for [TEST].
NOTE : The outdoor unit does not operate after power has been turned on or for approx. 3 minutes after
operation has stopped.
3. After a Test Run has finished, push
TEST
button again and check that [TEST] on LC display has gone off.
(To prevent a continuous test run operation, 60-minutes timer release function is provided to this remote
controller.)
12-1-2. Forced Defrost Setup of Remote Controller (For wired remote controller only)
(Preparation in advance)
1 Push
TEST
+
SET
+
CL
buttons simultaneously for 4 seconds or more on the remote controller.
(Push buttons while the air conditioner stops.)
The first displayed unit No. is the master indoor unit address in the group control.
2 Every pushing
UNIT
button, the indoor unit No. in the group control is displayed one after the
other.
Select a main indoor unit (outdoor unit is connected) which is to be defrosted. In this time, fan and louver of
the selected indoor unit operate.
3 Using the set temperature
TEMP.
buttons, specify the item code (DN) 8C.
4 Using the timer time
TIME
buttons, set time to data 0001. (0000 at shipment)
5 Push
SET
button. (OK if indication lights)
6 Pushing
TEST
button returns the status to the normal stop status.
(Practical operation)
• Push ON/OFF
ON / OFF
Key.
• Select the HEAT mode.
• After while, the forced defrost signal is sent to the outdoor unit and then the outdoor unit starts defrost operation.
(The forced defrost operation is performed for Max. 12 minutes.)
• After defrost operation finished, the operation returns to the heating operation.
To execute the defrost operation again, start procedure from above item 1 .
(If the forced defrost operation was executed once, setting of the above forced defrost operation is cleared.)