5-135-12
5. Outdoor unit maintenance remote control
5-9. Normal Display Operations and Functions
n
Functions on the ordinary display
•
Connect the special service checker wiring to the outdoor unit PCB.
The connection is shown in the figure below.
Special service
checker wiring
Top case
(Back side)
CZ-RTC4
(2P, WHT)
6 mm
Remove the coating.
Approx. 6 mm
Bottom case
(Back side)
CUT
Relay connector
(2P, WHT)
RC
(3P, BLU)
PCB connector
(3P, BLU)
Outdoor unit PCB
Terminal board
l
If the communications line in the inter-unit control wiring is connected, it can be left as-is.
l
In case of an independent outdoor unit (1 maintenance remote controller connected to 1 outdoor unit, automatic
address setting for indoor units not completed), both setting mode 1 and setting mode 2 can be used.
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The overall system status for that refrigerant system is displayed.
When connecting the special service
checker wiring to the remote controller
CZ-RTC4, cut out the wire as shown in the
figure below because the connector of the
remote controller cannot be used directly.
5
SM830203-04.indb 13 15/10/08 13:33:40
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