NOTE
(1) When setting the line address from the remote controller, do not use addresses 29 and 30.
Addresses 29 and 30 cannot be set up on the outdoor unit. If they are incorrectly used, the code “E04” (indoor/outdoor
communication circuit trouble) is output.
(2) When manual address setup has been done from a remote controller, and central control over refrigerant lines is to be done,
setup the header unit of each line as follows:
• Using SW13 and SW14 on the interface PC board of the header unit of each line, setup the line address for each
line.
• Except for the line with the smallest line address number, set SW03-bit 2 to “off” for the interface PC board of the
header unit of lines connected to the same central control (put the terminator resistor of the central control line,
indoors and outdoors, into one).
• Connect the relay connector between U1/U2 and U3/U4 of the header unit for each refrigerant line.
• After that, set up the central control address. (For central control address setup, refer to the installation manual of
the central control devices.)
Confirming the indoor unit addresses and the position of an
indoor unit using the remote controller
Confirming the numbers and positions of indoor units
To see the indoor unit address of an indoor unit having location data
When the unit is individual (the indoor unit is paired with a wired remote controller one-to-one), or
it is a group-controlled one.
(Execute it while the units are running.)
1 Push the button if the units stop.
2 Push the button (left side of the button).
A unit numbers is indicated on the LCD (it will disappear after a few seconds). The indicated number
shows the system address and indoor unit address of the unit.
When 2 or more indoor units are connected to the remote controller (group-controlled units), a number of other
connected units appears each time you push the button (left side of the button).
1
2
ON / OFF
TEMP.
TIME
SET CL
FILTER
RESET
TEST
TIMER SET
CODE No.
UNIT No.
Starts
running
UNIT LOUVER
UNIT LOUVER
− 90 −
°F
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