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8-4-4. Check after address setup when central control system is
connected
When the central control system is connected, check that the following setup has finished after address setup.
NOTE
The figure above does not show all the electric wires.
For details, refer to the installation manuals for the outdoor unit, indoor unit, remote controller, or optional devices.
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c
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h
C
s
m
e
t
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k
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a
M
Relay
connector
(1) Is the relay connectors CN10 which mounted on the interface P.C. board on the
Terminal
resistance
(2) Is the end resistance (SW30-bit 2) of the outdoor unit with the smallest line address
number in the central control turned on?
(3) Is the terminal resistance (SW30-bit 2) of the outdoor unit, except for the line with the
smallest central control line address, turned off?
Line address (4) Are addresses in the line address (SW13, SW14) not duplicated in each refrigerant line?
Central remote
controller
(4)
Indoor unit
To other refrigerant line
Remote
controller
Remote
controller
Remote
controller
Outdoor unit
1
=
s
s
e
r
d
d
a
e
n
i
L
2
=
s
s
e
r
d
d
a
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L
outdoor unit connect to the CN02 after address setup?
U1
U2
U3
U4
CN02
SW13 SW14
SW30
CN10
U1
U2
U3
U4
CN02
SW13 SW14
SW30
CN10
(3)
(4)
(1)
(2)
(1)
(4)
Outdoor unit
Outdoor unit
Other refrigerant line
Outdoor unit
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