Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 273

Normal Display Operations and Functions, Functions on the ordinary display

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5. Outdoor unit maintenance remote control 5-9. Normal Display Operations and Functions n Functions on the ordinary display • C onnect the special service checker wiring to the outdoor unit PCB. The connection is shown in the figure below. 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. Special service checker wiring Relay connector (2P, WHT) RC Outdoor unit PCB (3P, BLU) CUT Top case (Back side) CZ-RTC4 (2P, WHT) Bottom case (Back side) Terminal board PCB connector (3P, BLU) 6 mm Remove the coating. Approx. 6 mm 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. l The overall system status for that refrigerant system is displayed. 5 5-13

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5-13
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.
l
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