Panasonic CU-KE18NKU user manual

User manual for the device Panasonic CU-KE18NKU

Device: Panasonic CU-KE18NKU
Category: Air Conditioner
Manufacturer: Panasonic
Size: 4.69 MB
Added : 4/16/2014
Number of pages: 132
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Abstracts of contents
Summary of the content on the page No. 1

TECHNICAL & SERVICE MANUAL
CS-KE12NB41 & CZ-18BT1U + CU-KE12NK1
CS-KE18NB4UW & CZ-18BT1U + CU-KE18NKU
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Model No. Product Code No. Outdoor Model No. Product Code No.
Body (Panel) Body (Panel) CU-KE12NK1 1 852 361 17
CS-KE12NB41 (CZ-18BT1U) 1 852 361 05 (1 852 361 15) CU-KE18NKU 1 852 361 20
CS-KE18NB4UW (CZ-18BT1U) 1 852 361 07 (1 852 361 15)
Indoor Unit Outdoor Unit
Body
Panel
CS-KE12NB41 (Body) & CZ-18BT1U (Panel)
CU-KE12NK1
CS-KE18NB4UW (Body) & C

Summary of the content on the page No. 2

SAFETY PRECAUTIONS • Before doing repair work, please read the " SAFETY PRECAUTIONS" carefully and fully understand them. • The precautionary items here are divided into " Warning" and " Caution" items. Items in particular which may cause death or serious injury to the service personnel if the work is not performed correctly, are included in the " Warning" table. However, even precautionary items identified as " Caution" also have the potential for serious consequences if

Summary of the content on the page No. 3

Warning If refrigerant gas blows off during the work, do not touch the refrigerant gas as it may cause frostbite. Prohibit If refrigerant gas leaks during the work, ventilate the room. If refrigerant gas catches fire, harmful gas may be generated. Do not mix any gas other than the specified refrigerant gas in the refrigerating cycle. If air or other contaminants mix with the gas, pressure will become extremely high in the refrigerating cycle, which may cause a unit breakdown." Prohibit When th

Summary of the content on the page No. 4

Table of Contents Page SAFETY PRECAUTIONS .............................................................................................................. 2 TABLE OF CONTENTS ..................................................................................................................... 4 1. OPERATING RANGE ................................................................................................................... 6 2. SPECIFICATIONS 2-1. Unit Specifications ...................

Summary of the content on the page No. 5

Page 10. CHECKING ELECTRICAL COMPONENTS 10-1. Measurement of Insulation Resistance ............................................................................... 60 10-2. Checking Continuity of Fuse on PCB Ass'y ......................................................................... 61 11. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT 11-1. Characteristics of New Refrigerant R410A ......................................................................... 62 11-2. Checklist before

Summary of the content on the page No. 6

1. OPERATING RANGE Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. Maximum 95 °F DB / 71 °F WB 115 °F DB Cooling Minimum 67 °F DB / 57 °F WB 0 °F DB Maximum 80 °F DB / 67 °F WB 75 °F DB / 65 °F WB Heating Minimum – DB / – WB – DB / 0 °F WB 6

Summary of the content on the page No. 7

2. SPECIFICATIONS 2-1. Unit Specifications 2-1-1. Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1 Voltage Rating 115V Single-Phase 60Hz Cooling Heating Total Capacity BTU/h 11,900 ( 3,000 to 11,900 ) 13,600 ( 3,000 to 13,600 ) kW 3.5 ( 0.9 to 3.5 ) 4.0 ( 0.9 to 4.0 ) Sensible Capacity BTU/h 7,200 - Latent Capacity BTU/h 4,700 - 3 3 Air Circulation (Hi/Me/Lo) ft /min (m /h) 235(399) / 206(350) / 194(330) 268(455) / 247(420) / 224(381) Moisture Removal (High) Pints/h 4.26 - Availabl

Summary of the content on the page No. 8

Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1 Individual Unit Indoor Unit Dimensions & Weight (Indoor Unit) Body Panel (CS-KE12NB41 & CZ-18BT1U) (CS-KE12NB41) (CZ-18BT1U) Unit Dimensions Height inch (mm) 12-5/16 (313) 11-5/32 (283) 1-9/16 (40) Width inch (mm) 24-19/32 (625) 22-5/8 (575) 24-19/32 (625) Depth inch (mm) 24-19/32 (625) 22-5/8 (575) 24-19/32 (625) Package Dimensions Height inch (mm) - 11-13/32 (290) 4-1/8 (105) Width inch (mm) - 24-13/16 (630) 26-3/16 (665) Depth inch (

Summary of the content on the page No. 9

2-1-2. Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU < 230V > Voltage Rating 230V Single-Phase 60Hz Cooling Heating Total Capacity BTU/h 17,500 ( 4,000 to 17,500 ) 20,400 ( 4,400 to 20,400 ) kW 5.15 ( 1.2 to 5.15 ) 6.0 ( 1.3 to 6.0 ) Sensible Capacity BTU/h 10,600 - Latent Capacity BTU/h 6,900 - 3 3 Air Circulation (Hi/Me/Lo) ft /min (m /h) 341(579) / 294(500) / 253(430) 383(651) / 324(551) / 265(450) Moisture Removal (High) Pints/h 4.89 - Available Voltage Range V 187 to 253 Run

Summary of the content on the page No. 10

Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU < 230V > Individual Unit Indoor Unit Dimensions & Weight (Indoor Unit) Body Panel (CS-KE18NB4UW & CZ-18BT1U) (CS-KE18NB4UW) (CZ-18BT1U) Unit Dimensions Height inch (mm) 12-5/16 (313) 11-5/32 (283) 1-9/16 (40) Width inch (mm) 24-19/32 (625) 22-5/8 (575) 24-19/32 (625) Depth inch (mm) 24-19/32 (625) 22-5/8 (575) 24-19/32 (625) Package Dimensions Height inch (mm) - 11-13/32 (290) 4-1/8 (105) Width inch (mm) - 24-13/16 (630) 26-3/16 (665)

Summary of the content on the page No. 11

2-1-3. Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU < 208V > Voltage Rating 208V Single-Phase 60Hz Cooling Heating Total Capacity BTU/h 17,500 ( 4,000 to 17,500 ) 20,400 ( 4,400 to 20,400 ) kW 5.15 ( 1.2 to 5.15 ) 6.0 ( 1.3 to 6.0 ) Sensible Capacity BTU/h 10,600 - Latent Capacity BTU/h 6,900 - 3 3 Air Circulation (Hi/Me/Lo) ft /min (m /h) 341(579) / 294(500) / 253(430) 383(651) / 324(551) / 265(450) Moisture Removal (High) Pints/h 4.89 - Available Voltage Range V 187 to 253 Run

Summary of the content on the page No. 12

Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU < 208V > Individual Unit Indoor Unit Dimensions & Weight (Indoor Unit) Body Panel (CZ-KE18NB4UW & CZ-18BT1U) (CS-KE18NB4UW) (CZ-18BT1U) Unit Dimensions Height inch (mm) 12-5/16 (313) 11-5/32 (283) 1-9/16 (40) Width inch (mm) 24-19/32 (625) 22-5/8 (575) 24-19/32 (625) Depth inch (mm) 24-19/32 (625) 22-5/8 (575) 24-19/32 (625) Package Dimensions Height inch (mm) - 11-13/32 (290) 4-1/8 (105) Width inch (mm) - 24-13/16 (630) 26-3/16 (665)

Summary of the content on the page No. 13

2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit (Body) CS-KE12NB41 Control PCB Part No. CB-CS-KE12NB4U Controls Microprocessor Control Circuit Fuse 250V 3A Fan Type Turbo Q'ty ... Dia. and Length inch (mm) 1 ... D12-5/8 / L5-3/4 (D322/L147) Fan Motor Type DC Motor Model ... Q'ty SIC-62FW-D866-2 ... 1 No. of Poles 8 Rough Measure RPM (Cool / Heat) 470 / 520 Rating Voltage / Nominal Output DC160V / 23W Coil Resistance Ohm - (Ambient Temp. 68 °F (20 °C)) Safety Device Type In

Summary of the content on the page No. 14

Indoor Unit (Body) CS-KE18NB4UW Control PCB Part No. CB-CS-KE18NB4U Controls Microprocessor Control Circuit Fuse 250V 3A Fan Type Turbo Q'ty ... Dia. and Length inch (mm) 1 ... D12-5/8 / L5-3/4 (D322/L147) Fan Motor Type DC Motor Model ... Q'ty SIC-62FV-D866-2 ... 1 No. of Poles 8 Rough Measure RPM (Cool / Heat) 650 / 720 Rating Voltage / Nominal Output DC340V / 20W Coil Resistance Ohm - (Ambient Temp. 68 °F (20 °C)) Safety Device Type Thermal Fuse Over- Current Protection Yes Over- Heat Prote

Summary of the content on the page No. 15

2-2-2. Outdoor Unit Outdoor Unit CU-KE12NK1 Control PCB Part No. CB-CU-KE12NK1 Controls Microprocessor Control Circuit Fuse 125V 25A Compressor Type DC Rotary (Hermetic) Compressor Model / Nominal Output G4C090LU1ER / 900W Compressor Oil ... Amount Pints (cc) FV50S ... 0.68 (320) Coil Resistance (Ambient Temp. 68 °F (20 °C)) Ohm U - V : 0.81 V - W : 0.81 W - U : 0.81 Safety Device CT (Peak current cut-off control) Yes Compressor Discharge Temp. Control Yes Operation cut-off control in ab

Summary of the content on the page No. 16

Outdoor Unit CU-KE18NKU Control PCB Part No. CB-CU-KE18NKU Controls Microprocessor Control Circuit Fuse 250V 25A Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output C-6RVN93H0M / 1,050W Compressor Oil ... Amount Pints (cc) FV50S ... 0.74 (350) Coil Resistance (Ambient Temp. 68 °F (20 °C)) Ohm R - S : 0.482 S - T : 0.482 T - R : 0.482 Safety Device CT (Peak current cut-off control) Yes Compressor Discharge Temp. Control Yes Operation cut-off control in abnormal ambie

Summary of the content on the page No. 17

2-3. Other Component Specifications Indoor Unit CS-KE12NB41 & CZ-18BT1U CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE12NK1 CU-KE18NKU • Indoor heat exchanger sensor (Model:PT2M-51H-S3) • Compressor temp sensor ... • Indoor air temp sensor (CU-KE12NK1 Model:DTN-TKS274Y TH2) ... (Model:KTEC-35-S98) (CU-KE18NKU Model:DTN-TKS293B) 10 200 9 180 8 160 7 140 6 120 5 100 4 80 3 60 2 40 1 20 0 0 50 59 68 77 86 95 104 32 50 68 86 104 122 140 158 176 194 (10) (15) (20) (25) (30) (35) (40) (0) (1

Summary of the content on the page No. 18

3. DIMENSIONAL DATA Indoor Unit CS-KE12NB41 & CZ-18BT1U CS-KE18NB4UW & CZ-18BT1U Unit : inch (mm) 18 A A 23-5/8 (600) Ceiling opening dimensions 21-1/32 (534) Suspension bolt pitch Air intake 1 Center of Discharge outlet 2 7 panel Refrigerant tubing (liquid tube) dia. 1/4" (flared) 3 Refrigerant tubing (gas tube) dia. 1/2" (flared) 8 4 4-29/32 5 Drain tube connection port VP20 (outer dia. 1") A View Power supply port 6 7 Suspension bolt hole (4 - 1/2" x 1-1/8" hole) 8 Fresh air intake duct

Summary of the content on the page No. 19

Outdoor Unit CU-KE12NK1 21-3/16 3-19/32 15/32 10-13/16 Wide tube service valve dia.3/8" (9.52) 28-11/32 (720) 2-1/8 Narrow tube service valve dia.1/4" (6.35) 6-3/32 Unit : inch (mm) (852-0-0010-12700-0) 19 ID:23/32 4-ID:15/16 3-19/32 5/8 21-9/16 (548) 10-7/16 (265) 11-13/32 12-7/16 4-9/32 2-5/32

Summary of the content on the page No. 20

Outdoor Unit CU-KE18NKU 23-15/16 5-11/32 15/32 11-17/32 Wide tube service valve dia.1/2" (12.70) 34-21/32(880) 2-17/32 Narrow tube service valve dia.1/4" (6.35) 3/32 1-13/16 5-23/32 2-13/32 Unit : inch (mm) (852-0-0010-13200-0) 20 4-ID:15/16 ID:23/32 1-3/8 23/32 11-7/32(285) 26-3/8(670) 12-7/32 13-5/32 4-3/8 2-5/32 6-17/32


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