Automatic Address Setting In Cooling Mode - Panasonic U-8ME1E81 Service Manual
2way vrf system
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Also See for U-8ME1E81:
- Service manual (178 pages) ,
- Installation instructions manual (220 pages) ,
- Operating instructions manual (180 pages)
Table of Contents
3. Auto Address Setting
3. Auto Address Setting
Case 3B
Automatic Address Setting in Cooling 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 can be performed during Cooling operation.
In case of the WHE system, this function does not work properly. Perform
Automatic Address Setting from Outdoor Unit
1.
Perform steps 1 – 4 in the same way as for
5.
Turn the indoor and outdoor unit power ON at all systems.
To perform automatic address setting in
6.
where you wish to set the addresses, short-circuit the MODE COOL pin (CN40). At the same time, short-circuit the
automatic address pin (CN30) for 1 second or longer, then release it. (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
Cooling mode begins.)
(All indoor units operate.)
* To cancel, again short-circuit the automatic address pin (CN30) for 1 second or longer, then release it.
The LED that indicates automatic address setting is in progress turns OFF and the process is stopped.
Be sure to perform automatic address setting again.
(Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the outdoor main unit control
PCB turn OFF.)
At the outdoor main unit in the next (different) system, short-circuit the automatic address pin (CN30) for 1 second or
7.
longer, then release it.
(Repeat the same steps to complete automatic address setting for all units.)
Operation from the remote controllers is now possible.
8.
* Automatic address setting in Cooling mode cannot be done from the remote controller.
Case 2
.
, on the outdoor main unit control PCB in the refrigerant system
Cooling mode
1-9
1-9
Case 1
or
Case 2 .
2WAY SYSTEM
2WAY SYSTEM
Address Settings
Address Settings
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
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