Check After Address Setup When Central Control System Is Connected - Toshiba MCY-MHP0404HT-C Service Manual

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.
Central remote
controller
i L e n a d d
(4)
Other refrigerant line
U3
SW13 SW14
CN10
CN02
SW30
U1 U2
(3)
(4)
Relay (1) Is the relay connectors CN10 which mounted on the interface P.C. board on the
connector outdoor unit connect to the CN02 after address setup?
Terminal (2) Is the end resistance (SW30-bit 2) of the outdoor unit with the smallest line address
resistance 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?
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.
e r s s = 2
(4)
Outdoor unit Outdoor unit Outdoor unit
U4
SW13 SW14
Outdoor unit
SW30
(1) (2)
Indoor unit
M a n i
i L e n a d d e r s s = 1
U3 U4
CN10
CN02
U1 U2
(1)
Remote Remote
controller controller
c h e c k i e t m s
69
83
To other refrigerant line
Remote
controller
C h e c k