Service Manual
Table Of Contents
- TECHNICAL & SERVICE MANUAL
- SAFETY PRECAUTIONS
- TABLE OF CONTENTS
- ■APPLICABLE MULTI-OUTDOOR UNITS
- 1. OPERATING RANGE
- 2. SPECIFICATIONS
- 3. DIMENSIONAL DATA
- 4. REFRIGERANT FLOW DIAGRAM
- 5. ELECTRICAL DATA
- 6. MAINTENANCE
- 7. FUNCTIONS
- 8. TROUBLESHOOTING (BEFORE CALLING FOR SERVICE)
- APPENDIX A：Operating Instructions (CS-MKS9NB4U & CZ-18BT1U/CS-MKS12NB4U & CZ-18BT1U)
- APPENDIX B: Operating Instructions (CS-KS18NB4UW & CZ-18BT1U)
- APPENDIX C: Installation Instructions (CS-MKS9NB4U & CZ-18BT1U/ CS-MKS12NB4U & CZ-18BT1U/ CS-KS18NB4UW & CZ-18BT1U)
- APPENDIX D: Operating Instructions (CZ-RD515U)
- APPENDIX E: (CZ-RD515U)
Split System Air Conditioner
Model No.
Panasonic Corporation
1006 Kadoma, Kadoma City, Osaka, Japan
85264181211001
Indoor Units
CS-KS12NB41
CS-KS18NB4UW
Outdoor Units
(For Single use)
CU-KS12NK1A
CU-KS18NKU
CU-KS18NKUA
(For Multiple use)
CU-3KS19NBU
CU-4KS24NBU
CU-4KS31NBU
Operating Instructions
Before operating the unit, read these operating instructions thoroughly and keep them for future reference.
CV6233187622
This air conditioner uses the refrigerant R410A.
Ceiling Panel
CZ-18BT1U
“Multiple use” is applied for the model
CS-KS18NB4UW only.
• “Single use” means that only one indoor unit is
connected with one outdoor unit in a one-unit-to-one-
unit configuration.
• “Multiple use” (i.e. Flexi-Multi system) means that two
or more indoor units are connected with one outdoor
unit in a multiple-unit-to-one-unit configuration.