Panasonic CS-W7DKE User manual

1 Features 3

2 Functions 4

2.1. Remote Control 4

2.2. Indoor Unit 5

2.3. Outdoor Unit 6

3 Product Specifications 7

3.1. CS-W7DKE CU-W7DKE 7

and distribution is a violation of law.

CS-W7DKE CU-W7DKE

CS-W9DKE CU-W9DKE

CS-W12DKE CU-W12DKE

3.2. CS-W9DKE CU-W9DKE 9

3.3. CS-W12DKE CU-W12DKE 11

4 Dimensions 13

4.1. Indoor Unit & Remote Control 13

4.2. Outdoor Unit 14

5 Refrigeration Cycle Diagram 15

6 Block Diagram 16

Air Conditioner

CONTENTS

Page Page

Order No. MAC0408028C2

7 Wiring Diagram 18

8 Operation Details 20

8.1. Heating Operation 20

8.2. Cooling Operation 21

8.3. Soft Dry Operation 22

8.4. Automatic Operation 23

8.5. Operation Control 24

8.6. Indoor Fan Speed Control 30

8.7. Outdoor Fan Speed Control 32

8.8. Vertical Airflow Direction Control 32

8.9. Horizontal Airflow Direction Control 33

8.10. Powerful Operation 33

8.11. Quiet Operation 35

8.12. Ionizer Operation 37

8.13. Timer Control 38

8.14. Random Auto Restart Control 38

8.15. Remote Control Signal Receiving Sound 38

9 Operating Instructions 39

10 Installation Instructions 45

10.1. Safety Precautions 45

10.2. Indoor Unit 48

10.3. Outdoor Unit 52

11 Installation And Servicing Air Conditioner Using R410A 55

11.1. Outline 55

11.2. Tools For Installing/Servicing Refrigerant Piping 56

11.3. Refrigerant Piping Work 60

11.4. Installation, Transferring, Servicing 62

12 Servicing Information 66

12.1. Distinction Of Lead Free (PbF) Printed Circuit Board 66

12.2. Indoor Electronic Controllers Removal Procedures 66

12.3. Indoor Fan Motor And Cross Flow Fan Removal

Procedures 67

12.4. Remote Control Reset 68

12.5. Auto OFF/ON Button 69

13 Troubleshooting Guide 70

13.1. Refrigeration Cycle System 70

13.2. Relationship Between The Condition Of The Air

Conditioner And Pressure And Electric Current 71

13.3. Diagnosis Methods Of A Malfunction Of A Compressor

And 4-way Valve 71

14 Technical Data 72

14.1. Thermostat Characteristics 72

14.2. Sensible Capacity Chart 73

14.3. Operation Characteristics 74

15 Exploded View (Indoor Unit) 77

15.1. CS-W7DKE CS-W9DKE CS-W12DKE 77

16 Replacement Parts List (Indoor Unit) 78

16.1. CS-W7DKE CS-W9DKE CS-W12DKE 78

17 Exploded View (Outdoor Unit) 79

17.1. CU-W7DKE CU-W9DKE 79

17.2. CU-W12DKE 80

18 Replacement Parts List (Outdoor Unit) 81

18.1. CU-W7DKE CU-W9DKE 81

18.2. CU-W12DKE 82

19 Electronic Circuit Diagram 83

19.1. Indoor Unit & Outdoor Unit 83

19.2. Remote Control 89

19.3. Print Pattern Indoor Unit Printed Circuit Board 90

19.4. Print Pattern Indicator & Receiver Printed Circuit Board

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

• High efficiency.

• Compact design.

• Wider range of horizontal discharge air.

• Air Filter with function to reduce dust and smoke.

• Long installation piping up to 15 meter (CS/CU-W12DKE),

10 meter (CS/CU-W7DKE & CS/CU-W9DKE).

• Supersonic Air Purifying System with Super Alleru-Buster.

− Inactive various harmful airbone elements including

allergens, viruses and bacteria.

− Generated supersonic waves enhance the ability to

collect dust and dirt in the air.

• Quality Improvement

− Random auto restart after power failure for safety restart

operation.

− Gas leakage detection.

− Prevent Compressor reverse cycle.

− OLP to protect Compressor.

− Noise prevention during soft dry operation.

− Blue 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.

• Operation Improvement

− Quiet mode to provide quiet operation.

− Powerful mode to reach the desired room temperature

quickly.

− Ionizer control for generating negative ion in discharge

air.

− 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-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

2 Functions

2.1. Remote Control

Operation Start / Stop

OFF / ON IRoom Temperature Setting

TEMP.

Operation Mode Selection

•AUTO Automatic Operation

•HEAT Heating Operation

•COOL Cooling Operation

•DRY Soft Dry Operation

MODE

Time / Timer Setting

• Hours and minutes setting.

Clock Setting

• Current time setting.

Ionizer Operation Start / Stop

Indoor Fan Speed Selection

FAN SPEED

•Low Fan Speed

•Medium Fan Speed

•High Fan Speed

•AUTO Automatic Fan Speed

Vertical Airflow Direction Control

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

ON-TIMER

OFF-TIMER Timer Operation Selection

SET

CANCEL Timer Operation Set / Cancel

• ON Timer and OFF Timer setting and

cancellation.

CLOCK

AIR SWING

•AUTO Automatic Vertical Airflow

Control.

• Manual Vertical Airflow

Control (5 stages of

adjustment).

Powerful Operation Start / Stop

POWERFUL

Quiet Operation Start / Stop

QUIET

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.

CANCEL

OFF

TIMER

FAN

SPEED

AIR

SWING

AUTO

HEAT

DRY

COOL

MODE

TIMER

123

OFF

CLOCK RESET

SET

CANCEL

TEMP

POWERFUL FAN SPEED

AIR SWING

OFF/ON

QUIET

▲

▼

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

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)

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.

Timer Operation

•Delay OFF/ON Timer control.

Powerful Operation

•Reaches the desired room temperature quickly.

Anti-Freezing Control

•To prevent indoor heat exchanger from freezing.

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.

•Vertical airflow control can be adjusted

automatically or manually by remote control.

•Horizontal airflow can be manually adjusted by

hand.

Airflow Direction Control

Time Delay Safety Control

•Restarting is inhibited for appro. 3 minutes.

Hot-Start Control

•To prevent cold air being discharge during

Heating operation starts.

Starting Current Control

•To reduce the starting current.

Anti Cold Draft Control

•To prevent the cold draft during Heating mode

operation in thermo off condition.

Operation Mode

•Heating, Cooling, Soft Dry and Automatic

Operation.

30 Minutes Time Save Control

•Heating operation only.

Quiet Operation

•To provide quiet operation.

Ionizer Operation

•Generate and discharge negative ion.

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

blinks in Automatic

Operation judging and

Hot Start operation.

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

Setting.

•QUIET (Orange) ............. Lights up in Quiet

Operation.

•POWERFUL (Orange) ...... Lights up in Powerful

Operation.

•ION (Green) .................. Lights up in Ionizer

Operation.

•SUPER

ALLERU-BUSTER (Blue) ... Lights up in operation.

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

2.3. Outdoor Unit

•To protect compressor from reverse

rotation when there is a 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

•OLP to protect the compressor. Overload

Protector will trip when

–Temperature of compressor increases

to 120°C.

–High temperature or high current flows

to compressor.

(Refer circuit diagram for OLP

characteristic)

Compressor Reverse Rotation

Protection Control

Outdoor Fan Operation Control

•Temperature Fuse.

4-Way Valve Control

•When the unit is switched to “OFF”

during Heating Operation, 4-way valve

stays at Heating position for 5 minutes.

Overload Protection Control

•Outdoor fan stops when indoor heat

exchanger temperature rises to 51°C

and above, and restarts when the indoor

heat exchanger temperature drops to

49°C and below.

•Compressor stop when indoor heat

exchanger temperature reaches 65°C or

above. (Heating Operation Only)

Deice Control

•To prevent frosting at outdoor heat

exchanger. (Only for Heating Operation)

•

Temperature of outdoor heat exchanger

is sensed by TRS (Thermal Reed Switch).

TRS OFF temperature 4°C.

TRS ON temperature -3°C.

Compressor Protection Control

•If the outdoor fan motor is not running

after compressor starts for 50 secs.,

compressor will stop. (Cooling and Soft

Dry Operation only).

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

3 Product Specifications

3.1. CS-W7DKE CU-W7DKE

Unit CS-W7DKE CU-W7DKE

Cooling Capacity kW (kcal/h) 2.30 (1,980)

BTU/h 7,840

Heating Capacity kW (kcal/h) 2.45 (2,110)

BTU/h 8,350

Moisture Removal l/h (Pint/h) 1.5 (3.2)

Phase øSingle

Power Source Voltage V230

Cycle Hz 50

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Lo m3/min (cfm) Cooling; 5.8 (203) —

Heating; 6.3 (220)

Me m3/min (cfm) Cooling; 6.9 (245) —

Heating; 7.0 (250)

Hi m3/min (cfm) Cooling; 7.9 (280) Cooling; 26.0 (920)

Heating; 9.1 (320)

SHi m3/min (cfm) Cooling; 9.0 (318) —

Heating; 9.0 (318)

Noise Level dB (A) Cooling; High 34, Low 26 Cooling; High 46

Heating; High 36, Low 26 Heating; High 48

Power level dB Cooling; High 47 Cooling; High 61

Heating; High 49 Heating; High 63

Electrical Data Input WCooling; 710

Heating; 675

Running Current ACooling; 3.2

Heating; 3.0

EER W/W (BTU/hW) Cooling; 3.24 (11.0)

COP W/W (BTU/hW) Heating; 3.63 (12.4)

Starting Current A12.0

Piping Connection Port

(Flare piping)

inch

G ; Half Union 3/8”

L ; Half Union 1/4”

G ; 3-way valve 3/8”

L ; 2-way valve 1/4”

Pipe Size

(Flare piping)

inch

G ; (gas side) 3/8”

L ; (liquid side) 1/4”

G ; (gas side) 3/8”

L ; (liquid side) 1/4”

Drain

Hose

Inner diameter mm 12 —

Length mm 650 —

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

Unit CS-W7DKE CU-W7DKE

Power Cord Length

Number of core-wire

m1.9

3 (1.5 mm2)

—

Dimensions Height inch (mm) 11 - 1/32 (280) 20 - 3/32 (510)

Width inch (mm) 31 - 15/32 (799) 25 - 19/32 (650)

Depth inch (mm) 7 - 7/32 (183) 9 - 1/16 (230)

Net Weight lb (kg) 20 (9.0) 57 (26)

Compressor Description —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output W—600

Air Circulation Description Cross-flow Fan Propeller Fan

Material ASG20k1 PP Resin

Motor Type Induction (4-poles) Induction (6-poles)

Input W47 68

Rated Output W15 30

Fan Speed Low rpm Cooling; 780 —

Heating; 840

Medium rpm Cooling; 940 —

Heating; 940

High rpm Cooling; 1,070 815

Heating; 1,220

SuperHigh rpm Cooling; 1,220 —

Heating; 1,220

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

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

Fin Type Slit Fin Corrugate Fin

Row / Stage (Plate fin configuration, forced draft)

2×15 2×23

FPI 21 17

Size (W × H × L) mm 610 × 315 × 25.4 597.7

585.7

× 483 × 36.4

Refrigerant Control Device —Capillary Tube

Refrigeration Oil (cm3) — FV50S (300)

Refrigerant (R-410A) g (oz) —910 (32.1)

Thermostat Electronic Control —

Protection Device —Overload Protector

Capillary Tube Length mm —Cooling; 955, Heating; 415

Flow Rate l/min —Cooling; 6.5, Heating; 9.6

Inner Diameter mm —Cooling; 1.3, Heating; 1.3

Air Filter Material

Style

P.P.

Honeycomb

—

Capacity Control Capillary Tube

Compressor Capacitor µF, VAC —20 µF, 400VAC

Fan Motor Capacitor µF, VAC 1.5 µF, 440VAC 2.0 µF, 440VAC

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

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

3.2. CS-W9DKE CU-W9DKE

Unit CS-W9DKE CU-W9DKE

Cooling Capacity kW (kcal/h) 2.75 (2,370)

BTU/h 9,380

Heating Capacity kW (kcal/h) 3.05 (2,620)

BTU/h 10,400

Moisture Removal l/h (Pint/h) 1.6 (3.4)

Phase øSingle

Power Source Voltage V230

Cycle Hz 50

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Lo m3/min (cfm) Cooling; 5.8 (204) —

Heating; 6.2 (220)

Me m3/min (cfm) Cooling; 7.3 (257) —

Heating; 7.3 (257)

Hi m3/min (cfm) Cooling; 8.6 (300) Cooling; 26.0 (920)

Heating; 9.7 (340)

SHi m3/min (cfm) Cooling; 9.7 (343) —

Heating; 9.7 (343)

dB (A) Cooling; High 36, Low 26 Cooling; High 48

Heating; High 39, Low 26 Heating; High 49

Noise Level

Power level (dB) Cooling; High 49 Cooling; High 63

Heating; High 52 Heating; High 64

Electrical Data Input WCooling; 855

Heating; 845

Running Current ACooling; 3.8

Heating; 3.8

EER W/W (BTU/hW) Cooling; 3.22 (11.0)

COP W/W (BTU/hW) Heating; 3.61 (12.3)

Starting Current A17.2

Piping Connection Port

(Flare piping)

inch

G ; Half Union 3/8”

L ; Half Union 1/4”

G ; 3-way valve 3/8”

L ; 2-way valve 1/4”

Pipe Size

(Flare piping)

inch

G ; (gas side) 3/8”

L ; (liquid side) 1/4”

G ; (gas side) 3/8”

L ; (liquid side) 1/4”

Drain

Hose

Inner diameter mm 12 —

Length mm 650 —

Power Cord Length

Number of core-wire

m1.9

3 (1.5 mm2)

—

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

Unit CS-W9DKE CU-W9DKE

Dimensions Height inch (mm) 11 - 1/32 (280) 20 - 3/32 (510)

Width inch (mm) 31 - 15/32 (799) 25 - 19/32 (650)

Depth inch (mm) 7 - 7/32 (183) 9 - 1/16 (230)

Net Weight lb (kg) 20 (9.0) 64 (29)

Compressor Description —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output W—700

Air Circulation Description Cross-flow Fan Propeller Fan

Material ASG20k1 PP Resin

Motor Type Induction (4-poles) Induction (6-poles)

Input W47 68

Rated Output W15 30

Fan Speed Low rpm Cooling; 780 —

Heating; 840

Medium rpm Cooling; 980 —

Heating; 980

High rpm Cooling; 1,160 815

Heating; 1,310

SuperHigh rpm Cooling; 1,310 —

Heating; 1,310

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

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

Fin Type Slit Fin Corrugate Fin

Row / Stage (Plate fin configuration, forced draft)

2×15 2×23

FPI 21 17

Size (W ×H×L) mm 610 ×315 ×25.4 597.7

585.7

×483 ×36.4

Refrigerant Control Device —Capillary Tube

Refrigeration Oil (cm3)—FV50S (350)

Refrigerant (R-410A) g (oz) —950 (33.5)

Thermostat Electronic Control —

Protection Device —Overload Protector

Capillary Tube Length mm —Cooling; 475, Heating; 330

Flow Rate l/min —Cooling; 7.2, Heating; 10.7

Inner Diameter mm —Cooling; 1.2, Heating; 1.3

Air Filter Material

Style

P.P.

Honeycomb

—

Capacity Control Capillary Tube

Compressor Capacitor µF, VAC —30 µF, 370VAC

Fan Motor Capacitor µF, VAC 1.5 µF, 440VAC 2.0 µF, 440VAC

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

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

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