En-16
7. 5. Address setting for signal ampli
fi
ers
7. 5. 1. Address setting for signal ampli
fi
ers
When using signal ampli
fi
ers, the address for signal ampli
fi
ers must be set.
The address for signal ampli
fi
ers can be set automatically from 1 outdoor unit (master unit)
on the network.
Refer to “Fig. Wiring example for automatic address setting” (7.6.1 chapter) for the wiring
example.
(For manual setting of address, refer to the signal ampli
fi
er installation manual.)
7. 5. 2. Automatic address setting for signal ampli
fi
ers
When setting the address of the signal ampli
fi
er, please use the factory setting. (See the
installation manual of the signal ampli
fi
er)
• When the system is normal, nothing will be displayed on the 7 segment display.
• When ERROR is displayed, inspect the units.
Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons on the outdoor unit PC board to
con
fi
gure settings according to the procedures below.
1: Function setting
First 2 digits Last 2 digits
(the display when the main
power is turned on)
(When [F4] to [F9] are displayed,
continue to press the “SELECT”
button until [F3] is displayed.)
＆ ＞
＆ ：
＆ ＜
MODE/EXIT
SELECT
SELECT
ENTER
SELECT
ENTER
Automatic address setting for
signal ampli
fi
ers
Press the “SELECT” button until
“10” is displayed.
Press the “ENTER” button for
more than 3 seconds.
Setting is complete when the
number of units is displayed
＠ ＠
＞ ＠
ﻸ
ﻮ ﻮ
ﻮ ﻮ
ﻺ ﻶ
４
End
＞ ＠ ﻮ ﻮ
ENTER
MODE/EXIT
7. 6. Indoor unit address setting
7. 6. 1. Indoor unit address setting
Address must be set for the indoor unit.
Manual setting
→
• When setting with the switch inside the indoor unit, refer to the
indoor unit operating manual.
• When setting with a remote control, refer to the remote control
operating manual.
Automatic setting
→
• Check that the wiring is as shown in the
fi
gure below. Operate
using the outdoor master unit of each refrigerant system.
Fig. Wiring example for automatic address setting
(1): Signal ampli
fi
er wiring example
(2)(3)(4): Indoor unit wiring example
(Connect the indoor and outdoor units of the same refrigerant system as shown below.)
Refrigerant system1
Refrigerant system2
Refrigerant system3
Master unit
Master unit
Master unit
Signal ampli
fi
er
Signal ampli
fi
er
NOTE:
• The automatic address function can be used for a maximum of 9 indoor units installed to
the same refrigerant system. When network is connected to other refrigerant systems,
the automatic address function cannot be used.
• The addresses of indoor units that have been con
fi
gured automatically cannot be as-
signed in the order when they are installed. (Refer to the indoor unit installation manual
for the procedures to check the addresses.)
7. 6. 2. Procedures to enable automatic address setting on indoor
units
Check that the rotary switch IU AD on the indoor unit PC board is set to “00”.If it is not set
to “00”, it means the address of that device is not set. (Factory default is “00”).
Turn on the power of the indoor and outdoor units.
• When the system is normal, nothing will be displayed on the 7 segment display.
• When ERROR is displayed, inspect the units.
Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons on the outdoor unit PC board to
con
fi
gure settings according to the procedures below.
1: Function setting
(The display when the main
power is turned on)
(When [F4] to [F9] are displayed, continue
to press the “SELECT” button until [F3] is
displayed.)
Press the SELECT button until
“11” is displayed.
Press the “ENTER” button for
more than 3 seconds.
End
The number of indoor units with normal
settings will be displayed at the
fi
rst 2
digits of the 7 segment LED display.
The number of indoor units with error
will be displayed at the last 2 digits.
NOTE:
After the “ENTER” button is pressed,
the end processing will occur for about
30 seconds. During this period, the 7
segment will blink.
Automatic address setting
for indoor units
First 2 digits Last 2 digits
MODE/EXIT
SELECT
ENTER
ENTER
SELECT
ENTER
SELECT
ENTER
ENTER
MODE/EXIT
SELECT
ENTER
MODE/EXIT
SELECT
SELECT
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11/17/2015 4:14:29 PM
11/17/2015 4:14:29 PM
