MAINTENANCE
4-8
SM-18003
4.2.5 Removing Printed Circuit Board
(1) Remove the electrical box cover according to Section 4.2.2 “Removing Electrical Box Cover.”
(2) Disconnect all wire connectors from the indoor unit PCB.
(3) Remove the screw for earth wire.
(4) Remove the screw then remove the PCB cover.
(5) The indoor unit PCB is fixed by 6 holders. Pull out PCB from each holder as shown in the figure.
TURN OFF all power source switches.
NOTES:
1. Do not touch electrical components on the indoor unit PCB.
2. Do not to apply an excessive force to the indoor unit PCB nor bend it. Otherwise, it may cause failure of
the indoor unit PCB.
3. When attaching the indoor unit PCB, make sure that the connectors are connected correctly. If not, the
indoor unit PCB may be damaged. In addition, securely attach the screws for each wire.
PCB
Push Holder
Pull out PCB
PCB
Holder
Holder
Holder
Electrical Box
PCB
Electrical Box
Electrical Box
Pinch here with long-nose piler
to remove PCB.
PCB
PCB Cover
Tool
Phillips Screwdriver, Long-nose Plier
Содержание CICM008B21S
Страница 2: ......
Страница 10: ...viii SM 18003 ...
Страница 15: ...SM 18003 1 1 INSTALLATION 1 Installation ...
Страница 19: ...SM 18003 2 1 OPERATION 2 Operation ...
Страница 20: ...2 2 SM 18003 OPERATION 2 1 Indoor Unit Refer to the Operation Manual for Mini Cassette ...
Страница 22: ......
Страница 23: ...SM 18003 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Страница 73: ...MAINTENANCE SM 18003 4 1 4 Maintenance ...
Страница 74: ...MAINTENANCE 4 2 SM 18003 4 1 Maintenance of Outdoor Unit Refer to the Service Manual for Outdoor Unit ...
Страница 99: ...SM 18003 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting ...
Страница 138: ......
Страница 139: ...SM 18003 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Страница 148: ...6 10 SM 18003 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b ...
Страница 149: ...SERVICE PARTS LIST SM 18003 7 1 7 Service Parts List ...
Страница 150: ...SERVICE PARTS LIST 7 2 SM 18003 Refer to the Service Parts List for Mini Cassette ...
Страница 151: ......
Страница 152: ... 2018 Johnson Controls Inc SM 18003 Code No LIT 12013034 Issued April 2018 ...