Panasonic CS-PW18DKE User manual

1 Features 2

2 Functions 3

2.1. Remote Control 3

2.2. Indoor Unit 4

2.3. Outdoor Unit 5

3 Product Specifications 6

3.1. CS-PW18DKE CU-PW18DKE 6

4 Dimensions 8

4.1. Indoor Unit & Remote Control 8

4.2. Outdoor Unit 9

5 Refrigeration Cycle Diagram 10

6 Block Diagram 11

7 Wiring Diagram 12

8 Operation Details 13

and distribution is a violation of law.

CS-PW18DKE CU-PW18DKE

8.1. Heating Operation 13

8.2. Cooling Operation 14

8.3. Soft Dry Operation 15

8.4. Automatic Operation 16

8.5. Operation Control 17

8.6. Indoor Fan Speed Control 22

8.7. Outdoor Fan Speed Control 24

8.8. Vertical Airflow Direction Control 24

8.9. Timer Control 25

8.10. Random Auto Restart Control 25

8.11. Remote Control Signal Receiving Sound 25

9 Operating Instructions 26

10 Installation Instructions 32

10.1. Safety Precautions 32

Air Conditioner

CONTENTS

Page Page

Order No. MAC0501029C2

10.2. Indoor Unit 35

10.3. Outdoor Unit 39

11 Installation And Servicing Air Conditioner Using R410A 42

11.1. Outline 42

11.2. Tools For Installing/Servicing Refrigerant Piping 43

11.3. Refrigerant Piping Work 47

11.4. Installation, Transferring, Servicing 49

12 Servicing Information 53

12.1. Distinction Of Lead Free (PbF) Printed Circuit Board 53

12.2. Indoor Electronic Controllers Removal Procedures 53

12.3. Cross Flow Fan and Indoor Fan Motor Removal

Procedures 54

12.4. Remote Control Reset 55

12.5. Auto OFF/ON Button 56

13 Troubleshooting Guide 57

13.1. Refrigeration Cycle System 57

13.2. Relationship Between The Condition Of The Air

Conditioner And Pressure And Electric Current 58

13.3. Diagnosis Methods Of A Malfunction Of A Compressor

And 4-way Valve 58

• High efficiency.

• Compact design.

• Wider range of horizontal discharge air.

• Air Filter with function to reduce dust and smoke.

• Automatic air swing and manual adjusted by Remote

Control for vertical airflow.

• Long installation piping up to 25 meter.

• Quality Improvement

− Random auto restart after power failure for safety restart

operation.

− Gas leakage detection.

− Prevent Compressor reverse cycle.

− Inner protector to protect Compressor.

− Noise prevention during soft dry operation.

− Pre coated Condenser for high resistance to corrosion.

− Anti-dew formation control (Cooling & Soft Dry).

− Overload protection control (Heating)

− Outdoor fan control.

− Compressor high pressure control.

14 Technical Data 59

14.1. Thermostat Characteristics 59

14.2. Sensible Capacity Chart 60

14.3. Operation Characteristics 61

15 Exploded View (Indoor Unit) 62

15.1. CS-PW18DKE 62

16 Replacement Parts List (Indoor Unit) 63

16.1. CS-PW18DKE 63

17 Exploded View (Outdoor Unit) 64

17.1. CU-PW18DKE 64

18 Replacement Parts List (Outdoor Unit) 65

18.1. CU-PW18DKE 65

19 Electronic Circuit Diagram 66

19.1. Indoor Unit & Outdoor Unit 66

19.2. Remote Control 72

19.3. Print Pattern Indoor Unit Printed Circuit Board 73

19.4. Print Pattern Outdoor Unit Printed Circuit Board 75

19.5. Print Pattern Indicator & Receiver Printed Circuit Board

• Operation Improvement

− 24-hour timer setting.

• Serviceability Improvement

− Removable and washable Front Panel.

• Environmental Friendly

− R410A, which does not contain chlorine, is used as its

refrigerant, so there is no danger of damage to the

ozone layer in stratosphere.

1 Features

CS-PW18DKE CU-PW18DKE

2 Functions

2.1. Remote Control

Vertical Airflow Control

•AUTO Automatic Vertical Airflow

Control

•Manual Vertical Airflow

Control (5 stages of

adjustment)

AIR SWING

Operation Mode Selection

•AUTO Automatic Operation

•HEAT Heating Operation

•COOL Cooling Operation

•DRY Soft Dry Operation

MODE

Indoor Fan Speed Selection

FAN SPEED

•FAN Low Fan Speed

•FAN Medium Fan Speed

•FAN High Fan Speed

•AUTO Automatic Fan Speed

FAN

Operation Start / Stop

OFF / ON

• 24-hour, OFF / ON Real Timer Setting.

ON-TIMER

OFF-TIMER Timer Operation Selection

Room Temperature Setting

TEMP.

Heating, Cooling, Soft Dry Operation.

• Increase or decrease set temperature

(16°C to 30°C)

Automatic Operation

•Operation with 2°C higher than

standard temperature.

• Operation with standard temperature.

•Operation with 2°C lower than

standard temperature.

SET

CANCEL Timer Operation Set / Cancel

• ON Timer and OFF Timer setting and

cancellation.

Clock Setting

• Current time setting.

CLOCK

Time / Timer Setting

• Hours and minutes setting.

CANCEL

OFF

TIMER

FAN

SPEED

AIR

SWING

AUTO

DRY

COOL

TIMER

123

OFF

CLOCK RESET

SET

CANCEL

TEMP

FAN SPEED

AIR SWING

OFF/ON

MODE

CS-PW18DKE CU-PW18DKE

2.2. Indoor Unit

Automatic Operation Button

•Press for < 5 second to operate Automatic

operation mode. Used when the remote

control cannot be used.

•Press for ≥5 second to operate Cooling

operation mode and compressor force to on

(“beep”sound will heard). Used when test

running or servicing.

•Within 20 second of Cooling operation, press

continuously for ≥5 second to enter various

setting mode. “beep, beep”sound will be

heard. (Used to toggle remote control signal

receiving sound or select remote control

transmission code).

AUTO

OFF / ON

Operation Indication Lamps (LED)

•POWER

(Green) ............. Lights up in operation,

blinks in Automatic

Operation judging and

Hot Start operation.

•TIMER

(Orange) ............ Lights up in Timer

Setting.

7 Minutes Time Save Control

•To reduce the built up humidity inside the

room.

Anti-Dew Formation Control

•Anti-Dew Formation Control for indoor unit

discharge area.

Hot-Start Control

•To prevent cold air being discharge during

Heating operation starts.

Timer Operation

•OFF/ON Timer control.

Operation Mode

•Heating, Cooling, Soft Dry and Automatic

Operation.

•Vertical airflow control can be adjusted

automatically or manually by remote control.

•Horizontal airflow control can be adjusted

manually by hand.

Airflow Direction Control

Time Delay Safety Control

•Restarting is inhibited for approximately 3

minutes.

Random Auto Restart Control

•Unit will be restarted, when resume from

power failure, at previous setting.

Indoor Fan Speed Control

•Manual control fan speed (High, Medium and

Low).

•Automatic fan speed.

Anti-Freezing Control

•To prevent indoor heat exchanger from

freezing.

Anti Cold Draft Control

•To prevent the cold draft during Heating

mode operation in thermo off condition.

CS-PW18DKE CU-PW18DKE

2.3. Outdoor Unit

•To protect compressor from reverse

rotation when there is an instantaneous

power failure.

60 Secs. Forced Operation Control

•Once the compressor is activated, it

does not stop within the first 60 secs.

However, it stops immediately with

remote control stop signal.

Overload Protector

•Inner protector.

Compressor Reverse Rotation

Protection Control

Outdoor Fan Operation Control

•6-pole induction motor.

•For Over-heating Protection, the Fan is

switched ON or OFF depending on the

piping temperature and the outdoor

temperature.

Deice Control

•To prevent frosting at outdoor heat

exchanger during Heating Operation.

4-Way Valve Control

•When the unit is switched to “OFF”

during Heating Operation, 4-way valve

stays at Heating position for 5 minutes.

CS-PW18DKE CU-PW18DKE

3 Product Specifications

3.1. CS-PW18DKE CU-PW18DKE

Unit CS-PW18DKE CU-PW18DKE

Power Source (Phase, Voltage, Cycle) ø,V,Hz Single, 230, 50

Cooling Capacity kW (BTU/h) 5.10 (17,400)

Heating Capacity kW (BTU/h) 5.30 (18,100)

Moisture Removal l/h (Pint/h) 2.9 (6.1)

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Lo m3/min (cfm) Cooling; 13.1 (463)

Heating; 14.0 (494)

—

Me m3/min (cfm) Cooling; 15.1 (533)

Heating; 15.1 (533)

—

Hi m3/min (cfm) Cooling; 16.2 (570)

Heating; 16.4 (580)

29.0 (1,020)

SHi m3/min (cfm) — —

Noise Level dB (A) Cooling; High 45, Low 38

Heating; High 43, Low 38

Cooling; High 55

Heating; High 55

Power level dB Cooling; 58

Heating; 56

Cooling; 70

Heating; 70

Electrical Data Input Power kW Cooling; 1.75

Heating; 1.58

Running Current ACooling; 7.7

Heating; 6.9

EER W/W (BTU/hW) Cooling; 2.91 (9.94)

COP W/W (BTU/hW) Heating; 3.35 (11.46)

Starting Current A27.0

Piping Connection Port

(Flare piping)

inch

G ; Half Union 1/2”

L ; Half Union 1/4”

G ; 3-way valve 1/2”

L ; 2-way valve 1/4”

Pipe Size

(Flare piping)

inch

G ; (gas side) 1/2”

L ; (liquid side) 1/4”

G ; (gas side) 1/2”

L ; (liquid side) 1/4”

Drain

Hose

Inner diameter mm 16 —

Length mm 650 —

Power Cord Length m1.9 —

Number of core-wire 3 (1.0 mm2)—

Dimensions Height inch (mm) 10 - 13/16 (275) 21 - 1/4 (540)

Width inch (mm) 39 - 9/32 (998) 30 - 23/32 (780)

Depth inch (mm) 9 - 1/16 (230) 11 - 3/8 (289)

Net Weight lb (kg) 24 (11.0) 99 (45.0)

Compressor Description —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output kW —1.5

Air Circulation Description Cross-flow Fan Propeller Fan

Material ASHT-18 PP

Motor Type Transistor (8-poles) Induction (6-poles)

Input W39.6 74.1

Rated Output W30 835

Fan Speed Low rpm Cooling; 1,190

Heating; 1,270

490

Medium rpm Cooling; 1,370

Heating; 1,370

—

High rpm Cooling; 1,470

Heating; 1,490

845

SuperHigh rpm — —

CS-PW18DKE CU-PW18DKE

Unit CS-PW18DKE CU-PW18DKE

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

Fin material Aluminium (Pre Coat) Aluminium (Precoat)

Fin Type Slit Fin Corrugated Fin

Row / Stage (Plate fin configuration, forced draft)

2×15 2×20

FPI 21 17

Size (W × H × L) mm 810 × 315 × 25.4 827.7

862.2

× 711.2 × 44

Refrigerant Control Device —Capillary Tube

Refrigeration Oil (cm3) — RB68A OR FREOL ALPHA 68M

Refrigerant (R410A) kg (oz) —1,33 (47.0)

Thermostat Electronic Control Electronic Control

Protection Device —Inner Protector

Capillary Tube Length mm —Cooling; 1,180, Heating; 1,048

Flow Rate l/min —Cooling; 8.7, Heating; 14.0

Inner Diameter mm —Cooling; 1.5, Heating; 1.8

Air Filter Material

Style

P.P.

Honeycomb

—

Capacity Control Capillary Tube

Compressor Capacitor µF, VAC —50 µF, 400VAC

Fan Motor Capacitor µF, VAC —2.0 µF, 450VAC

Note:

• Specifications are subject to change without notice for further improvement.

CS-PW18DKE CU-PW18DKE

4 Dimensions

4.1. Indoor Unit & Remote Control

4.1.1. CS-PW18DKE

CS-PW18DKE CU-PW18DKE

4.2. Outdoor Unit

4.2.1. CU-PW18DKE

CS-PW18DKE CU-PW18DKE

5 Refrigeration Cycle Diagram

CS-PW18DKE CU-PW18DKE

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