English
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How to select FORCED OFF and ON/OFF OPERATION
•
Turn the power on and then use the remote controller to
select operation.
•
Set the remote controller to the field set mode. For details,
refer to the “HOW TO SET IN THE FIELD”, in the remote
controller manual.
•
When in the field set mode, select mode No. 12, then set
the first code (switch) No. to “1”. Then set second code
(position) No. to “01” for FORCED OFF and “02” for ON/
OFF OPERATION.
(FORCED OFF at factory set)
(Refer to Fig. 29)
9-5 CENTRALIZED CONTROL
•
For centralized control, it is necessary to designate the group No. For details, refer to the manual of each
optional controllers for centralized control.
10. TEST OPERATION
Make sure the service lids are closed on the indoor and outdoor units.
Refer to the installation manual of the outdoor unit.
•
The operation lamp of the remote controller will flash when an malfunction occurs. Check the malfunction
code on the liquid crystal display to identify the point of trouble. An explanation of malfunction codes and
the corresponding trouble is provided in “CAUTION FOR SERVICING” of the indoor unit.
If any of the items in Table 5 are displayed, there may be a problem with the wiring or power, so check the
wiring again.
Table 5
Remote controller display
Content
“Concentrated Management” is lit up
• There is a short circuit at the FORCED OFF terminals (T1, T2).
“U4” is lit up
“UH” is lit up
• The power on the outdoor unit is off.
• The outdoor unit has not been wired for power supply.
• Incorrect wiring for the transmission wiring and/or FORCED
OFF wiring.
• The branch wiring is cut.
No display
• The power on the indoor unit is off.
• The indoor unit has not been wired for power supply.
• Incorrect wiring for the remote controller wiring, the
transmission wiring, and/or the FORCED OFF wiring.
• The remote controller wiring is cut.
SETTING
Mode No.
SECOND CODE NO.
FIELD SET MODE
Fig. 29
FIRST CODE NO.
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