Settings Of Indoor Unit Control Pcb; Examples Of The No. Of Indoor Units Settings (Sw4, Sw3); Examples Of The No. Of Outdoor Units Settings (Sw6); Address Setting Of Main Outdoor Unit (Sw5) - 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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2. Settings of Indoor Unit Control PCB
Examples of the No. of indoor units settings (SW4, SW3)
No. of indoor units
1
u
i n
( t
a f
c
o t
y r
s
e
t t
n i
) g
1
1
u
n
s t i
2
1
u
n
s t i
3
1
u
n
s t i
4
0
u
n
s t i
5
8
u
n
s t i
6
4
u
n
s t i
Examples of refrigerant circuit (R.C.) address settings (required when link wiring is used) (SW2, SW1)
System address No.
S
s y
e t
m
1
(
a f
c
o t
y r
s
e
t t
n i
) g
S
s y
e t
m
1
1
S
s y
e t
m
2
1
S
s y
e t
m
3
0
Examples of the No. of outdoor units settings (SW6)
No. of outdoor units
1 unit (factory setting)
2 units
3 units
Address setting of main outdoor unit (SW5)
Unit No. setting
Unit No. 1 (main unit)
(factory setting)
Address setting of sub outdoor unit
Unit No. setting
Unit No. 2 (sub unit)
Unit No. 3 (sub unit)
The sub unit control PCB contains the same switches as the main unit control PCB for No. of indoor units, No. of outdoor units,
and system address. However it is not necessary to set these switches.
Indoor unit setting (SW4)
(3P DIP switch, blue)
10 20 30
ON
ON
A
l l
O
F
F
2
3
OFF
1
ON
ON
1
O
N
1
2
3
OFF
ON
ON
2
O
N
2
3
1
OFF
ON
ON
3
O
N
1
2
3
OFF
ON
ON
1
&
3
O
N
1
2
3
OFF
ON
ON
2
&
3
O
N
1
2
3
OFF
ON
ON
A
l l
O
N
3
1
2
OFF
System address (SW2)
(2P DIP switch, black)
10 20
ON
ON
B
o
h t
O
F
F
1
2
OFF
ON
ON
1
O
N
2
1
OFF
ON
ON
2
O
N
2
1
OFF
ON
ON
1
&
2
O
N
1
2
OFF
Outdoor unit setting (SW6)
(3P DIP switch, blue)
ON
ON
1 ON
1
2
3
OFF
ON
ON
2 ON
1
2
3
OFF
ON
ON
1 & 2 ON
1
2
3
OFF
Address setting of outdoor unit (SW5)
(3P DIP switch, blue)
ON
ON
1
2
3
OFF
Address setting of outdoor unit (SW5)
(3P DIP switch, blue)
ON
ON
2 ON
1
2
3
OFF
ON
ON
1 & 2 ON
1
2
3
OFF
Indoor unit setting (SW3)
(Rotary switch, red)
S
t e
o t
1
S
t e
o t
1
S
t e
o t
1
S
t e
o t
1
S
t e
o t
0
S
t e
o t
8
S
t e
o t
4
System address (SW1)
(Rotary switch, black)
S
t e
o t
1
S
t e
o t
1
S
t e
o t
1
S
t e
o t
0
1-3
2WAY SYSTEM
Address Settings
1
2
3
4
5
6
7
8
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