Panasonic CS-PW18CKE User manual

1 Features 2

2 Functions 3

3 Product Specifications 6

4 Dimensions 8

5 Refrigeration Cycle Diagram 10

6 Block Diagram 11

7 Wiring Diagram 12

8 Operation Details 13

8.1. Indoor Fan Speed Control 13

8.2. Cooling Mode Operation 13

8.3. Soft Dry Mode Operation 16

8.4. Heating Mode Operation 18

8.5. Automatic Mode Operation 22

8.6. Random Auto Restart Control 23

8.7. Airflow Direction Control 23

8.8. Delay ON Timer Control 23

and distribution is a violation of law.

CS-PW18CKE CU-PW18CKE

8.9. Remote Control Signal Receiving Sound 23

9 Operating Instructions 24

10 Installation Instructions 32

10.1. Safety Precautions 32

10.2. INDOOR UNIT 35

10.3. OUTDOOR UNIT 38

11 Installation and Servicing Air Conditioner Using R410A 41

11.1. OUTLINE 41

11.2. TOOLS FOR INSTALLING/SERVICING REFRIGERANT

PIPING 42

11.3. REFRIGERANT PIPING WORK 46

11.4. INSTALLATION, TRANSFERRING, SERVICING 48

12 Servicing Information 52

12.1. Indoor Electronic Controllers Removal Procedures 52

Air Conditioner

CONTENTS

Page Page

Order No. MAC0401010C2

12.2. Cross Flow Fan Indoor and Fan Motor Removal

Procedures 53

13 Troubleshooting Guide 56

13.1. Refrigeration cycle system 56

14 Technical Data 58

15 Exploded View 61

16 Replacement Parts List 62

17 Exploded View 63

18 Replacement Parts List 64

19 Electronic Circuit Diagram 65

19.1. REMOTE CONTROL

•

• •

• High Efficiency

•

• •

• Compact Design

•

• •

• Comfort Environment

−

− −

− Air filter with function to reduce dust and smoke

−

− −

− Wider range of horizontal discharge air

•

• •

• Auto Restart

−

− −

− Random auto restart after power failure for safety restart

operation

•

• •

• Removable and Washable Front Panel

19.2. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT

BOARD

TOP VIEW 71

19.3. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT

BOARD

BOTTOM VIEW 72

19.4. PRINT PATTERN OUTDOOR UNIT PRINTED CIRCUIT

BOARD

•

• •

• Quality Improvement

−

− −

− Gas leakage protection

−

− −

− Prevent compressor reverse cycle

−

− −

− Inner protector

−

− −

− Noise prevention during soft dry operation.

−

− −

− Anti-dew Formation Control (Cooling & Soft Dry)

−

− −

− Overload Protection Control (Heating)

−

− −

− Outdoor Fan Control

−

− −

− Compressor High Pressure Control

•

• •

• Long Installation Piping

−

− −

− Long piping up to 25 meter

•

• •

• 12-hour Timer Setting

•

• •

• 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-PW18CKE CU-PW18CKE

2 Functions

Remote Control

Operation OFF / ON

Room Temperature Setting

TEMP.

Operation Mode Selection

•

AUTO

Automatic Operation Mode

•

HEAT

Heating Operation Mode

•

COOL

Cooling Operation Mode

•

DRY

Soft Dry Operation Mode

MODE

Indoor Fan Speed Selection

FAN SPEED

• Low Fan Speed

•Medium Fan Speed

•High Fan Speed

•

AUTO

Automatic Fan Speed

Vertical Airflow Direction Control

AIR SWING

•

AUTO

Air Swing is in operation

•

OFF

Stop the operation of the Air Swing

Heating, Cooling, Soft Dry Operation.

• Temperature Setting (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.

OFF / ON

TIMER

12-hour Timer Settin

•

SELECT

To select delay OFF Timer,

ON Timer, OFF/ON Timer

and ON/OFF Timer

•To set hours setting

•

SET/CANCEL

To start delay OFF and ON

timer, cancellation

CS-PW18CKE CU-PW18CKE

Indoor Unit

Indoor Fan Speed Control

• High, Medium and Low.

• Automatic Fan Speed Mode

– Heating : Fan speed varies from Me

SSLo in accordance with

indoor heat exchanger.

– Cooling : Fan rotates at Hi, Me and

Lo- speed. Deodorizing

control is available.

– Soft Dry : Fan rotates at Lo- speed.

Deodorizing control is

available.

• Automatic air swing selected by remote

• Manually adjusted by hand for horizontal

airflow.

control for vertical airflow.

Airflow Direction Control

Automatic Operation Button

• Press for < 5s to operate Automatic

operation mode.

(Used when the remote control cannot be used.)

• Press continuously for 5s or < 10s to

operate Test Run/Pump down. “Beep”

sound will be heard at the 5th second.

(Used when test running or servicing.)

• Press continuously for 10s and above to

omit or resume the remote control signal

receiving sound. “Beep, beep” sound will

be heard at the 10th second.

AUTO

OFF / ON

Operation Indication Lamps (LED)

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

blinks in Automatic

Operation Mode judging

and Hot Start operation.

•TIMER (Orange) .........

Lights up in Timer Setting.

Operation Mode

• Heating, Cooling, Soft Dry and Automatic

Mode.

Time Delay Safety Control

• Restarting is inhibited for appro. 3 minutes.

7 Minutes Time Save Control

• Cooling Operation only.

Anti-Dew Formation Control

• Anti-Dew Formation Control for indoor unit

discharge area.

Random Auto Restart Control

• Operation is restarted randomly after

power failure at previous setting mode.

Anti-Freezing Control

• Anti-Freezing control for indoor heat

exchanger. (Cooling and Soft Dry)

Hot-Start Control

• At Heating Operation the indoor fan will

operate at SLo speed when indoor heat

exchanger temperature reaches 30°C.

Anti Cold Draft Control

• The indoor fan operates at Lo–(30 sec.)

after that SSLo when the indoor heat

exchanger temperature is low.

(During Heating mode thermal off)

CS-PW18CKE CU-PW18CKE

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

• Temperature Fuse.

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-PW18CKE CU-PW18CKE

3 Product Specifications

Unit CS-PW18CKE CU-PW18CKE

Power Source Phase, Voltage, Cycle Single, 230, 50 Hz

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 Indoor Air (Lo) m3/min (cfm) Cooling; 13.3 (470)

Heating; 14.2 (500)

—

Indoor Air (Me) m3/min (cfm) Cooling; 14.8 (520)

Heating; 14.8 (520)

—

Indoor Air (Hi) m3/min (cfm) Cooling; 15.6 (550)

Heating; 16.4 (580)

29.0 (1,024)

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 Cooling; 2.91

COP W/W Heating; 3.35

Starting Current A 27.0

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 12 —

Length mm 650 —

Power Cord Length m 1.9 —

Number of core-wire 3 (1.5 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) 8 - 9/32 (210) 11 - 3/8 (289)

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

Compressor Type —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output kW — 1.4

Air Circulation Type Cross-flow Fan Propeller Fan

Material ASHT-18 PP

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

Input W 53.5 73

Rated Output W 30 35

Fan Speed Low rpm Cooling; 1,160

Heating; 1,240

—

Medium rpm Cooling; 1,290

Heating; 1,290

—

High rpm Cooling; 1,380

Heating; 1,440

845

CS-PW18CKE CU-PW18CKE

Unit CS-PW18CKE CU-PW18CKE

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

Fin material Aluminium (Pre Coat) Aluminium (Pre Coat)

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 × 25.4 692.3

728.7

× 508 × 44

Refrigerant Control Device — Capillary Tube

Refrigeration Oil (cm3) — RB68A OR FRE0L ALPHA 68M

(670)

Refrigerant (R410A) g (oz) — 1,330 (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, 370VAC

Fan Motor Capacitor µF, VAC —2.0 µF, 440VAC

Note:

•

• •

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

CS-PW18CKE CU-PW18CKE

4 Dimensions

CS-PW18CKE CU-PW18CKE

5 Refrigeration Cycle Diagram

CS-PW18CKE CU-PW18CKE

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