Auto Address Setting; Basic Wiring Diagram: Example; Automatic Address Setting From The Outdoor Unit - 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)
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3. Auto Address Setting
Auto Address Setting
Basic wiring diagram: Example (1)
• If link wiring is not used
(The inter-unit control wirings are not connected to multiple refrigerant systems.)
Indoor unit addresses can be set without operating the compressors.
No. 1 (main outdoor unit)
System address
(system 1 setting)
(SW1)
(SW2)
ON
ON
ON
1
2
OFF
No. of
(SW6)
outdoor
ON
units (3 units
setting)
1
2
3
Outdoor Unit
Indoor Unit
Remote controller
Case 1
(1) Automatic Address Setting from the Outdoor Unit
1.
To set the number of outdoor units, on the outdoor main unit control PCB set the No. of outdoor units DIP switch (SW6) to
ON
ON
(3 units), and set the unit No. DIP switch (SW5) to
1
2
3
OFF
2.
On the No. 2 (sub) unit control PCB, set the unit No. switch (SW5) to
On the No. 3 (sub) unit control PCB, set the unit No. switch (SW5) to
3.
On the outdoor main unit control PCB, check that the system address rotary switch (SW1) is set to "1" and that the DIP
switch (SW2) is set to
ON
1
4.
To set the number of indoor units that are connected to the outdoor unit to 10 on the outdoor main unit control PCB, set the
No. of indoor units DIP switch (SW4) to
5.
Turn ON the power to the indoor and outdoor units.
6.
On the outdoor main unit control PCB, short-circuit the automatic address pin (CN30) for 1 second or longer, then release it.
(Communication for automatic address setting begins.)
* To cancel, again short-circuit the automatic address pin (CN30) for 1 second or longer, then release it.
The LED that indicates that 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 LEDs 1 and 2 on the outdoor main unit control PCB turn OFF.)
7.
Operation from the remote controllers is now possible.
* To perform automatic address setting from the remote controller, perform steps 1 to 5, then use the remote controller and
complete automatic address setting.
Refer to "Automatic Address Setting from the Remote Controller."
settings
No. of indoor units
(10 units setting)
(SW3)
(SW4)
ON
ON
1
2
3
OFF
Unit
(SW5)
Unit number
number
ON
ON
ON
setting
setting
(Unit No. 1)
(Unit No. 2)
OFF
1
2
3
OFF
Unit
No. 1
(Main)
Inter-outdoor unit
control wiring
Inter-unit control wiring
1-1
1-2
"0." (These are the settings at the time of factory shipment.)
ON
2
OFF
ON
ON
1
2
3
OFF
N
. o
2
s (
u
b
u
n
) t i
s
e
t t
n i
g
s
(SW5)
O
N
O
N
1
2
3
O
F
F
Unit
No. 2
(Sub)
Inter-outdoor unit
control wiring
1-3
Remote control
communication wiring
Fig. 1-1
ON
(unit No. 1 – main outdoor unit).
1
2
3
ON
(unit No. 2).
1
2
3
ON
(unit No. 3).
1
2
3
"1," and set the rotary switch (SW3) to "0."
1-5
2WAY SYSTEM
Address Settings
N
. o
3
s (
u
b
u
n
) t i
s
e
t t
n i
g
s
(SW5)
Unit
number
O
N
O
N
setting
1
2
3
O
F
F
(Unit No. 3)
Unit
No. 3
(Sub)
1-10
1
2
3
4
5
6
7
8
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