Panasonic CU-4KS31NBU CS-MKS12NB4U ×, Power Supply 230V Single Phase 60Hz Cooling Capacity

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Outdoor Unit

: CU-3KS19NBU

 

 

 

 

 

 

 

 

 

Indoor Unit

: CS-MKS12NB4U × 3

 

 

 

 

 

 

 

 

Power Supply : 230V Single Phase 60Hz

 

 

 

 

 

 

 

 

 

< Cooling Capacity >

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RATING CAPACITY:

18,300 BTU/h

 

AIR FLOW RATE:

706 CFM

 

INDOOR

 

 

 

 

OUTDOOR

 

 

 

 

 

ENT. TEMP. o F (o C)

 

 

AMBIENT TEMP. o F (o C)

 

 

 

WB

 

DB

 

65

75

85

 

95

105

115

 

 

 

 

 

(18.3)

(23.9)

(29.4)

 

(35.0)

(40.6)

(46.1)

 

 

 

 

TC

18,370

17,750

17,080

 

16,550

15,760

14,900

 

 

72

(22.2)

SHC

15,040

14,770

14,490

 

14,220

13,940

13,530

 

59

76

(24.4)

SHC

17,370

17,100

16,820

 

16,550

15,760

14,900

 

(15.0)

80

(26.7)

SHC

18,370

17,750

17,080

 

16,550

15,760

14,900

 

 

84

(28.9)

SHC

18,370

17,750

17,080

 

16,550

15,760

14,900

 

 

88

(31.1)

SHC

18,370

17,750

17,080

 

16,550

15,760

14,900

 

 

 

 

TC

19,260

18,620

17,930

 

17,410

16,590

15,710

 

 

72

(22.2)

SHC

12,430

12,160

11,890

 

11,610

11,340

10,930

 

63

76

(24.4)

SHC

14,770

14,490

14,220

 

13,940

13,670

13,260

 

(17.2)

80

(26.7)

SHC

17,230

16,960

16,690

 

16,410

16,140

15,710

 

 

84

(28.9)

SHC

19,260

18,620

17,930

 

17,410

16,590

15,710

 

 

88

(31.1)

SHC

19,260

18,620

17,930

 

17,410

16,590

15,710

 

 

 

 

TC

20,150

19,500

18,800

 

#

18,300

17,450

16,540

 

 

72

(22.2)

SHC

9,830

9,550

9,280

 

9,140

8,730

8,460

 

67

76

(24.4)

SHC

12,160

11,890

11,610

 

11,470

11,060

10,790

 

(19.4)

80

(26.7)

SHC

14,630

14,350

14,080

 

13,810

13,530

13,260

 

 

84

(28.9)

SHC

16,960

16,690

16,410

 

16,270

15,860

15,590

 

 

88

(31.1)

SHC

19,290

19,020

18,740

 

18,300

17,450

16,540

 

 

 

 

TC

21,050

20,390

19,670

 

19,200

18,330

17,390

 

 

72

(22.2)

SHC

6,950

6,810

6,540

 

6,400

5,990

5,710

 

71

76

(24.4)

SHC

9,280

9,140

8,870

 

8,730

8,320

8,040

 

(21.7)

80

(26.7)

SHC

11,750

11,470

11,340

 

11,060

10,790

10,510

 

 

84

(28.9)

SHC

14,080

13,940

13,670

 

13,530

13,120

12,850

 

 

88

(31.1)

SHC

16,410

16,270

16,000

 

15,860

15,450

15,180

 

 

 

 

TC

21,830

21,170

20,440

 

20,010

19,120

18,040

 

75

76

(24.4)

SHC

6,540

6,400

6,120

 

5,990

5,710

5,440

 

(23.9)

80

(26.7)

SHC

9,000

8,870

8,590

 

8,460

8,180

7,910

 

 

84

(28.9)

SHC

11,340

11,200

10,930

 

10,790

10,510

10,240

 

 

88

(31.1)

SHC

13,670

13,530

13,260

 

13,120

12,850

12,570

TC : Total Cooling Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h)

NOTE

1.Rating conditions (#) : Indoor Unit Entering Air Temp. 80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB

:Outdoor Ambient Temp. 95 °F (35 °C) DB

2.Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics.

3.Above data represents the value when the operation frequency of a compressor is fixed.

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Contents DC Inverter MULTI-SYSTEM AIR Conditioner Safety Precautions Prohibit Table of Contents Appendix a Semi-Concealed Type Wall Mounted TypeOperating Range Duct Less Type Rated Unit SpecificationsOutdoor Unit CU-3KS19NBU Indoor Unit CS-MKS9NKU ×Indoor Unit Outdoor Unit208V CU-4KS24NBU BTU/h/W Compressor Locked Rotor Amperes 20,600 CU-4KS31NBU Indoor Unit CS-MKS9NKU 4units Outdoor Unit CU-4KS31NBU 1unit 24,200 Outdoor Unit Major Component SpecificationsOutdoor Unit CU-4KS24NBU Outdoor Unit CU-4KS31NBU CU-3KS19NBU CU-4KS24NBU CU-4KS31NBU Other Component SpecificationsDimensional Data Unit inchmm 852-0-0010-20500-0 Unit inchmm 852-0-0010-20600-0 Outdoor unit Refrigerant Flow DiagramInsulation of Refrigerant Tubing Indoor unitIndoor unit Outdoor unit 1/4 Strainer Header Sub Main Compressor Accumulator Temperature Charts Temperature Charts CU-3KS19NBUOutdoor Unit CU-3KS19NBU Indoor Unit CS-MKS7NKU × Outdoor Unit CU-3KS19NBU Indoor Unit CS-MKS9NKU × Outdoor Unit CU-3KS19NBU Indoor Unit CS-MKS12NKU × Cooling CharacteristicsOutdoor Unit CU-3KS19NBU Indoor Unit CS-MKS18NKU × Outdoor Unit CU-3KS19NBU Indoor Unit CS-MKS9NB4U × Outdoor Unit CU-3KS19NBU Indoor Unit CS-MKS12NB4U × Outdoor Unit CU-3KS19NBU Indoor Unit CS-KS18NB4UW × Outdoor Unit CU-4KS24NBU Indoor Unit CS-MKS7NKU × Temperature Charts CU-4KS24NBUOutdoor Unit CU-4KS24NBU Indoor Unit CS-MKS9NKU × Outdoor Unit CU-4KS24NBU Indoor Unit CS-MKS12NKU × Outdoor Unit CU-4KS24NBU Indoor Unit CS-MKS18NKU × Outdoor Unit CU-4KS24NBU Indoor Unit CS-MKS24NKU × Outdoor Unit CU-4KS24NBU Indoor Unit CS-MKS9NB4U × Outdoor Unit CU-4KS24NBU Indoor Unit CS-MKS12NB4U × Outdoor Unit CU-4KS24NBU Indoor Unit CS-KS18NB4UW × Temperature Charts CU-4KS31NBU Outdoor Unit CU-4KS31NBU Indoor Unit CS-MKS9NKU × Outdoor Unit CU-4KS31NBU Indoor Unit CS-MKS12NKU × Outdoor Unit CU-4KS31NBU Indoor Unit CS-MKS18NKU × Outdoor Unit CU-4KS31NBU Indoor Unit CS-MKS24NKU × Outdoor Unit CU-4KS31NBU Indoor Unit CS-MKS9NB4U × Outdoor Unit CU-4KS31NBU Indoor Unit CS-MKS12NB4U × Outdoor Unit CU-4KS31NBU Indoor Unit CS-KS18NB4UW × Indoor Outdoor Cooling CapacityCS-MKS12NB4U × Power Supply 230V Single Phase 60Hz Cooling CapacityCS-MKS9NKU × CS-KS18NB4UW + CS-MKS12NB4U + CS-MKS12NB4U 30,600 BTU/h CS-MKS9NB4U × Cooling Capacity Low Ambient 15,180 18,570 19,250 25,420 19,410 19,360 24,830 19,520 24,260 30,760 22,560 28,790 22,730 Outdoor Unit CU-3KS19NBU 8FA2-5251-11800-1 Electric Wiring DiagramsOutdoor Unit CU-4KS24NBU 8FA2-5251-11600-1 Outdoor Unit CU-4KS31NBU 8FA2-5251-11400-1 Explanation of Functions FunctionsCool DRY Fluctuation fanLow Ambient Cooling Operation Automatic frequency control Protective FunctionsCurrent Control Description of functionCompressor Temperature Control Low Start CurrentCurrent control Precautions before Performing Inspection or Repair Troubleshooting Before Calling for ServiceTrouble Diagnosis by Error Monitor Lamps Location of the Error Monitor LampsDisplay of the Error Monitor Lamps Work procedure Check items unit operation Checking the Outdoor SystemChecking the outdoor unit Trouble Diagnosis of Each Part Problems of Each Part and Inspection PointsCompressor Inspection Points for Each PartOutdoor control circuit board FuseCU-3KS19NBU MV0 MV1 MV2 CU-4KS24NBU MV3 CU-4KS31NBU Electric expansion valveBranch tubing temperature sensor BreakerRefrigerant gas pressure Trouble Diagnosis of Fan Motor Diagnostic procedureDiagnostic results Remedy for symptom 3 toComponents mixing proportions Characteristics of New Refrigerant R410AWhat is New Refrigerant R410A? CharacteristicsChecklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorR410A from changing Amount in the charging cylinder is less than 20%Example To prevent the compositionCase Refrigerant is Leaking Welding leaking pointsRecharging Use of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing Systems852-6-4190-581-00-1 For Outdoor Unit ContentsPlease Read Before Starting ‡ 8VHWKHIODUHPHWKRGIRUFRQQHFWLQJWXELQJ Fins of the outdoor unit. You may get injuredGeneral Installation Site Selection For wall-mounted unitsFor ceiling-mounted cassette units H1, H2, H3, H4 Connecting Indoor Units Connecting indoor unit for CU-3KS19NBUConnecting indoor unit for CU-4KS24NBU 815.88mm Locally purchased Connecting indoor unit for CU-4KS31NBU CS-MKS24NKU Back Baffle Plate for the Outdoor UnitIt is recommended to use baffle plates FrontAir Discharge Baffle Air Intake BafflePrecautions for installation CU-4KS31NBU Outer Dimensions of Outdoor UnitCU-3KS19NBU CU-4KS24NBUNever install only a single indoor unit Diagram of Outdoor Unit InstallationInstallation Process Flaring Procedure with a Flare ToolUse of the Flaring Method Tubing Connections To 0.5 mm Adjust so that the amount of tube For ceiling-mounted cassette units Insulation of Refrigerant TubingTo prevent heat loss and wet floors due to dripping of con  For wall-mounted unitsFinishing the Installation Air Purging Air Purging with a Vacuum Pump for Test Run Adapter manual, and use the adapter correctly External diameter of service port R410A 5/16If pump-down is not possible What is pump-down?Pump-down procedure  Pump DownWiring Instructions General Precautions on WiringRecommended Wire Length and Diameter Disconnect switch may be required by national or local codes For Indoor Unit How to connect wiring to the terminalFor Outdoor Unit  For solid core wiring or F-cable  For stranded wiringIndoor unit C Wiring Instructions for the Outdoor UnitIndoor unit D Indoor unit BChecking tubing and wiring Test RunPerforming a test run Installation Check Sheet Connecting a Home Automation DeviceDC1111-0