Read Panasonic U-4LE1E5 / U-4LE1E8 / U-5LE1E5 / U-5LE1E8 / U-6LE1E5 / U-6LE1E8 Service Manual online
Mini VRF SYSTEM
Address Settings
1
3. Auto Address Setting
1-8
Case 3A
Automatic Address Setting in Heating Mode
Indoor and outdoor unit power cannot be turned ON for each system separately.
In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating.
Therefore perform this process only after completing all refrigerant tubing work.
Automatic Address Setting from Outdoor Unit
1
Case 2 .
2
↓
3
Perform steps 1 and 2 in the same way as for
Turn the indoor and outdoor unit power ON at all systems.
To perform automatic address setting in
Heating mode , on the outdoor unit control PCB in the refrigerant system
where you wish to set the addresses, short-circuit the automatic address pin (CN-A.ADD) for 1 second or longer, then
pull it out. (Be sure to perform this process for one system at a time. Automatic address settings cannot be performed
for more than one system at the same time.)
↓
(Communication for automatic address setting begins, the compressors turn ON, and automatic address setting
in heating mode begins. )
(All indoor units operate.)
↓
* To cancel, again short-circuit the automatic address pin (CN-A.ADD) for 1 second or longer, then pull it out.
The LED that indicates automatic address setting is in progress turns OFF and the process is stopped.
(Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the outdoor unit control
PCB turn OFF.)
↓
4
↓
(Repeat the same steps to complete automatic address setting for all units.)
↓
5
At the outdoor unit in the next (different) system, short-circuit the automatic address pin (CN-A.ADD) for 1 second or
longer, then pull it out.
Operation from the remote controllers is now possible.
* To perform automatic address setting from the remote controller, perform steps 1 and 2, then use the remote
controller complete automatic address setting.
Refer to “Automatic Address Setting from the Remote Controller.”
SM830196-03_Mini_VRF SYS.indb 8
SM830196-03_Mini_VRF SYS.indb 8
2014/09/08 10:46:55
2014/09/08 10:46:55
Click on the first or last page to see other U-4LE1E5 / U-4LE1E8 / U-5LE1E5 / U-5LE1E8 / U-6LE1E5 / U-6LE1E8 service manuals if exist.