English
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10. FIELD SETTINGS
Make sure the electric parts box lids are closed on the
indoor and outdoor units.
Field setting must be made from the remote controller in
accordance with the installation condition.
• Setting can be made by changing the “Mode No.”, “FIRST
CODE NO.”, and “SECOND CODE NO.”.
• The “Field Settings” included with the remote control lists the
order of the settings and method of operation.
Setting is made in all units in a group. To set for individual
indoor units or to check the setting, use the mode Nos. (with
“2” in upper digit) in parentheses ( ).
• 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)
11. TEST OPERATION
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 expla-
nation of malfunction codes and the corresponding trouble is
provided in “CAUTION FOR SERVICING” of the outdoor unit.
If any of the items in Table 3 are displayed, there may be a
problem with the wiring or power, so check the wiring again.
Table 3
Remote control display
Content
“Concentrated Manage-
ment” 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.
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 control-
ler wiring, the transmission wiring and /
or the FORCED OFF wiring.
SETTING
MODE NO.
SECOND
CODE NO.
FIELD SET
MODE
FIRST
CODE NO.
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