¢ Preparation
Before performing the setting, be sure to conducting necessary preparations.
1. Make sure that the operation of the outdoor unit has stopped (if it is still running, stop the oper-
ation), and turn off the power.
2. Remove the front panel of the outdoor unit.
3. Remove the lid of the electrical component box to expose the PCB.
4. Turn on the power of the outdoor unit. When the system is operated normally, the indicator
lamps may light as in following figure:
LED101
(GREEN)
POWER
MODE
LED105 LED104
LED102
(RED)
ERROR
Off
Off Off
On
• Make sure that the POWER/MODE indicator lamp (LED101) is on and the ERROR indicator
lamp (LED102) is off.
• If there is a system error, the ERROR indicator lamp (LED102) flashes. Check the wiring and
power supply. After confirming the ERROR indicator lamp (LED102) has turned off, proceed
to the setting procedure.
¢ Automatic address setting of signal amplifier
CAUTION
• This function can be used for a maximum of 8 signal amplifiers installed within a same refriger-
ant system.
• Perform this setting on only 1 outdoor unit (master unit) within the same network. No duplicate
setting of this function from other outdoor unit is allowed.
• When setting the address of a signal amplifier automatically, be sure to always set the address
on the PCB of the signal amplifier to “1” (factory setting).
1. After verifying that the system is operating normally, press the MODE/EXIT button (SW107)
once.
LED105 LED104
LED105 LED104
2. Press the SELECT button (SW108) to display “F3” on LED104.
*
1
: Do not set “F1” and “F9” usually since they are used for maintenance.
(The display of the LED104 changes each time the SELECT button is pressed.)
LED105 LED104LED105 LED104 LED105 LED104 LED105 LED104
*
1
*
1
Monitoring mode Setting mode Function mode
Error history mode
Do not set "F8". "F8" is for factory use only and is not for a service purpose.
1-5. Automatic address setting
- (07-57) - 1. System settings
FUNCTION
SETTINGS
FUNCTION
SETTINGS
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