Panasonic CS-KS18NKU Service Manual Page 106
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- Table of contents
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14
(A)+(B) (A) Power Supply Wiring Length (ft) (C) Control
Fuse or Circuit AWG
(B) Power Line Length (ft) Line Length (ft)
Model (#14) (#12) (#14)
Breaker Capacity
CU-KS18NKU, CU-KS18NKUA
131 (Max.) 230 (Max.) 100 (Max.) 15A
CU-KS24NKU
131 (Max.) 230 (Max.) 132 (Max.) 20A
CU-KS24NKUA
131 (Max.) 230 (Max.) 100 (Max.) 20A
3-7. Recommended Wire Length and Diameter
Regulations on wiring diameter differ from locality to locality. For field wiring
requirements, please refer to your local electrical codes. Carefully observe these
regulations when carrying out the installation.
Table 5 lists recommended wire lengths and diameters for power supply systems.
Refer to the wiring system diagram (Fig. 23) for the meaning of (A), (B), and (C) in
Table 5.
Refer to your local codes or in the absence of local codes see the National Elec-
tric Code: ANSI/NFPA70.
NOTE
Fig. 23
WIRING SYSTEM DIAGRAM
Be sure to comply with local codes on running the wire
from the indoor unit to the outdoor unit (size of wire and
wiring method, etc.).
Each wire must be firmly connected.
No wire should be allowed to touch refrigerant tubing, the
compressor, or any moving part.
Disconnect
switch
1
2
3
1
2
3
4
5
6
Grounding line
230/208V
230/208V
230/208V
INDOOR
UNIT
OUTDOOR
UNIT
Field supply
Grounding
line
L
1
L
2
Power supply
Single phase 230/208V 60HZ
Terminal Terminal
(A)
(B)
(C)
(B)
CAUTION
Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram.
The indoor unit draws its power from the outdoor unit.
Do not run wiring for antenna, signal, or power lines of television, radio, stereo, telephone,
security system, or intercom any closer than 3'4" (1 m) from the power cable and wires
between the indoor and outdoor units. Electrical noise may affect the operation.
To avoid the risk of electric shock, each air conditioner
unit must be grounded.
For the installation of a grounding device, please
observe local electrical codes.
Grounding is necessary, especially for units using
inverter circuits, in order to release charged electricity
and electrical noise caused by high tension.
Otherwise, electrical shock may occur.
Place a dedicated ground more than 7' (2 m) away from
other grounds and do not have it shared with other elec-
tric appliances.
WARNING
# ... AWG (American Wire Gauge)
Table 5
WARNING
*
*
Disconnect switch may be required by national
or local codes.
NOTE
Always comply with national and local code
requirements.
CAUTION
- CS-KS18NKU + CU-KS18NKU 1
- + CU-KS18NKUA 1
- CS-KS24NKU + CU-KS24NKU 1
- + CU-KS24NKUA 1
- SM700872 1
- SAFETY PRECAUTIONS 2
- Prohibit 3
- Table of Contents 4
- 1. OPERATING RANGE 6
- 2. SPECIFICATIONS 7
- Indoor Unit CS-KS24NKU 10
- Outdoor Unit CU-KS24NKU 10
- < 208V > 10
- Indoor Unit CS-KS18NKU 11
- Outdoor Unit CU-KS18NKUA 11
- < 230V > 11
- Outdoor Unit CU-KS24NKUA 13
- 2-2-1. Indoor Unit 15
- 2-2-2. Outdoor Unit 17
- 3. DIMENSIONAL DATA 22
- Outdoor Unit CU-KS18NKU 23
- CU-KS18NKUA 23
- CU-KS24NKUA 24
- 4. REFRIGERANT FLOW DIAGRAM 25
- 5. PERFORMANCE DATA 26
- Hi FanLo fan 28
- 5-2. Cooling Capacity 30
- Indoor Unit : CS-KS24NKU 31
- < Cooling Capacity > 31
- Indoor Unit : CS-KS18NKU 32
- Outdoor Unit : CU-KS18NKUA 32
- Outdoor Unit : CU-KS24NKUA 33
- 0 5 10 15 20 25 30 34
- 6. ELECTRICAL DATA 36
- CONTROLLER 38
- IND LAMP ASSY 38
- 8FA2-5251-12000-2 39
- 7. MAINTENANCE 42
- Pull the cover upward 43
- 8. FUNCTIONS 44
- 30 min. 5 min 45
- 30 min. 30 min 45
- 2°F(1°C) 45
- 8-2. Protective Functions 46
- < Clock display > 47
- Test run mode 47
- Self-diagnostics mode 47
- (1) Self-diagnostics Lamps 48
- (1) Checking the indoor unit 50
- (2) Checking the outdoor unit 50
- (3) (2) (1) 51
- Defect in the outdoor unit 52
- P.C. board 52
- Defect or connection error 52
- (3-2) Condition: E12 53
- 9-4-1. Indoor Fan Motor 54
- 9-4-2. Outdoor Fan Motor 55
- (1) Noise malfunction 56
- Resistance 57
- PCB Ass'y 58
- 11. REFRIGERANT R410A: 59
- (852-6-4181-210-00-1) 66
- Split System Air Conditioner 67
- Operating Instructions 67
- FEATURES 68
- CONTENTS 68
- PRODUCT INFORMATION 68
- INSTALLATION LOCATION 69
- ELECTRICAL REQUIREMENTS 69
- SAFETY INSTRUCTIONS 69
- NAMES OF PARTS 71
- REMOTE CONTROLLER (DISPLAY) 73
- REMOTE CONTROLLER 74
- REMOTE CONTROLLER (CONTINUED) 75
- USING THE REMOTE CONTROLLER 76
- 1. Operation 78
- 2. Adjusting the Fan Speed 79
- 3. Fan Only 79
- 4. Night Setback Mode 80
- 5. QUIET Mode 81
- 6. HIGH POWER Mode 81
- SPECIAL REMARKS 82
- SETTING THE TIMER 83
- SETTING THE TIMER (CONTINUED) 84
- USING THE 1-HOUR OFF TIMER 85
- TIPS FOR ENERGY SAVING 85
- CARE AND CLEANING 87
- CARE AND CLEANING (CONTINUED) 88
- WIRED REMOTE CONTROLLER 89
- OPERATING RANGE 90
- SPECIFICATIONS 91
- (852-6-4190-576-00-0) 92
- INSTALLATION INSTRUCTIONS 93
- IMPORTANT! 94
- Please Read Before Starting 94
- When Servicing 95
- 1. General 96
- About 1'4" (40 cm) 98
- Air Discharge Baffle 100
- Air Intake Baffle 100
- Rear panel 102
- 3/16" 103
- (4.8 mm) dia. hole 103
- Rawl plug 103
- Power supply 106
- Single phase 230/208V 60HZ 106
- Terminal Terminal 106
- Padding material 109
- 5. Refrigerant Tubing 113
- Insulated tubes 114
- Apply putty here 114
- 6. Air Purging 115
- OPERATION lamp 117
- TIMER lamp 117
- QUIET lamp 117
- Pump Down 118
- Service Valve Connections 119
- 8. Address Switch 120
- DC1111-0 122
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