Panasonic CS-VA70KE User manual

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CS-VA70KE

CU-VA70KE

CS-VA90KE

CU-VA90KE

CS-VA120KE

CU-VA120KE

Room Air Conditioners

Order number RAC9911056C2

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-VA70KE / CU-VA70KE 7

3.2. CS-VA90KE / CU-VA90KE 9

3.3. CS-VA120KE / CU-VA120KE 11

4 Dimensions 13

4.1. CS-VA70KE / CS-VA90KE / CS-VA120KE (INDOOR

UNIT) 13

4.2. CU-VA70KE / CU-VA90KE (OUTDOOR UNIT) 14

4.3. CU-VA120KE(OUTDOOR UNIT) 14

5 Refrigeration Cycle Diagram 15

5.1. CS-VA70KE / CU-VA70KE, CS-VA90KE / CU-VA90KE

5.2. CS-VA120KE / CU-VA120KE 16

6 Block Diagram 17

7 Wiring Diagram 18

8 Operation Details 19

8.1. COOLING MODE OPERATION 19

8.2. SOFT DRY MODE OPERATION 21

8.3. HEATING MODE OPERATION 23

8.4. AUTOMATIC MODE OPARATION 27

8.5. SLEEP MODE AUTO OPERATION 27

8.6. AUTO RESTART CONTROL 28

8.7. INDOOR FAN MOTOR CONTROL 28

8.8. AIRFLOW DIRECTION CONTROL 29

8.9. DELAY ON TIMER CONTROL 29

9 Installation And Servicing Air Conditioner Using R410A 30

9.1. OUTLINE 30

9.2. TOOLS FOR INSTALLING/SERVICING REFRIGERANT

PIPING 31

9.3. REFRIGERANT PIPING WORK 35

9.4. INSTALLATION, TRANSFERRING SERVICING 37

10 Installation Information 41

10.1. ATTACHED ACCESSORIES 41

10.2. SELECT THE BEST LOCATION 41

10.3. INDOOR/OUTDOOR UNIT INSTALLATION DIAGRAM 42

11 2-WAY / 3-WAY VALES 43

11.1. EVACUATION OF INSTALLATION 44

11.2. PUMPING DOWN 45

11.3. EVACUATION OF RE-INSTALLATION 46

11.4. BALANCE REFRIGERANT OF THE 2-WAY, 3-WAY

VALVE 47

11.5. EVACUATION 48

12 Servicing Information 49

12.1. INSPECTION POINTS FOR THE INDOOR ELECTRONIC

CONTROLLER 49

12.2. INDOOR FAN MOTOR REMOVAL PROCEDURE 49

12.3. CROSS FLOW FAN REMOVAL PROCEDURE 51

12.4. OUTDOOR UNIT SERVICING 52

12.5. REMOTE CONTROL RESET 52

12.6. CHANGING THE WIRELESS REMOTE CONTROL

TRANSMISSION CODE 53

13 Troubleshooting Guide 54

13.1. RELATIONSHIP BETWEEN THE CONDITION OF THE

AIR CONDITIONER AND GAS PRESSURE AND

ELECTRIC CURRENT 55

13.2. DIAGNOSIS METHODS OF A MALFUNNCTION OF A

COMPRESSOR AND A 4-WAY VALVE 55

14 Technical Data 56

14.1. THERMOSTAT CHARACTERISTICS 56

14.2. OPERATION CHARACTERISTICS 57

15 Electronic Circuit Diagram 60

15.1. HOW TO USE ELECTRONIC CIRCUIT DIAGRAM 60

15.2. ELECTRONIC CIRCUIT DIAGRAM 61

15.3. CHARACTERISTICS CHART 63

15.4. REMOTE CONTROLLER 64

15.5. TIMER TABLE 65

16 Printed Circuit Board 66

16.1. INDOOR UNIT (MAIN) 66

17 Exploded View & Replacement Parts List 67

17.1. CS-VA70KE / CS-VA90KE 67

17.2. CS-VA120KE 69

17.3. CU-VA70KE / CU-VA90KE 71

17.4. CU-VA120KE 73

18 Electronic Parts List 75

CONTENTS

Page Page

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

R410A

No Ozone Layer Damage

Our new models use R410A as its refrigerant.

This Refrigerant does not contain chlorine, so there´s no

danger of damage to the ozone layer.

Compact Design

Comfort Improvement

−

− −

− Wider range of horizontal discharge air

−

− −

− Longer hours of sleep mode operation

Auto Restart

−

− −

− Auto restart operation after power failure

Removable and Washable Front Panel

Deodorizing Air Purifying Filter

−

− −

− Air Purifying Filter features a deodorizing function that

removes unpleasant odors from the air.

Installation Work Improvement

−

− −

− Long piping up to 10 m (CS-VA70KE / CS-VA90KE)

−

− −

− Long piping up to 15 m (CS-VA120KE)

Quality Improvement

−

− −

− Low voltage protection

−

− −

− Gas leakage protection

−

− −

− Prevent compressor reverse cycle

−

− −

− 2-stage OLP to protect compressor

(CS-VA90KE / CS-VA120KE)

Service Improvement

−

− −

− Easy fan motor replacement procedure

−

− −

− Front side servicing for outdoor unit

1 Features

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

2 Functions

2.1. REMOTE CONTROL

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

2.2. INDOOR UNIT

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

2.3. OUTDOOR UNIT

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

3 Product Specifications

3.1. CS-VA70KE / CU-VA70KE

Unit CS-VA70KE CU-VA70KE

Cooling Capacity kW

Btu/h 2.20

7,500

Heating Capacity kW

Btu/h 2.35

8,000

Moisture Removal /h

Pint/h 1.3

2.7

Power Source Phase

Cycle

Single

230

Airflow Method

Air Volume Indoor Air(Lo) m / min(cfm) Cooling ; 5.5(190)

Heating ; 5.5(190) -

Indoor Air(Me) m / min(cfm) Cooling ; 6.0(210)

Heating ; 6.0(210) -

Indoor Air(Hi) m/ min(cfm) Cooling ; 6.7(240)

Heating ; 6.7(240) -

Outdoor Air m / min(cfm) -22.4(790)

Noise Level dB(A) Cooling ; High 34,Low 30

heating ; High 33,Low 29 Cooling ; 46

Heating ; 48

Electrical

Data Input kW Cooling ; 0.64

Heating ; 0.60

Running Current ACooling ; 3.2

Heating ; 3.0

COP Cooling ; 3.44

Heating ; 3.92

Starting Current A 13

Piping Connection Port

(Flare piping) inch

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

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 m 0.7 -

Power Cord length

Number of core-wire 2.1 m

3 (1.0 mm )-

Dimensions Height inch(mm) 11 - 7/16(290) 18 - 29/32(480)

Width inch(mm) 31 - 15/32(799) 30 - 23/32(780)

Depth inch(mm) 6 - 29/32(175) 9 - 21/32(245)

Net Weight lb(kg) 18(8.0) 64(29.0)

Compressor Type -Rotary(1 cylinder

rolling piston type

Motor Type -Induction(2-poles)

Rated Output W - 550

Air Circularizing Type Cross-flow Fan Propeller Fan

Material AS+Glass Fiber 30 AES+Glass Fiber 12

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

Input W - 58.6

rated Output W 20 20

Fan

Speed Low rpm 950 -

Medium rpm 1,030 -

High(heating) rpm 1,550 730

Heat

Exchange description Evaporator Condenser

Tube material Copper Copper

Fine material Aluminium Aluminium

Fine type Slit Fin Corrugated Fin

Row/Stage (Plate fin configuration, forced draft)

2x12 1x18

FPI 18 18

Size(W x H x L) mm 600 x 252 x 25.4 856 x 457.2 x 22

Refrigerant Control Device - Capillary Tube

refrigeration Oil (c.c) - RB68A(300)

Refrigerant(R410A) g(oz) - 860(30.4)

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

Unit CS-VA70KE CU-VA70KE

Thermostat Electronic Control -

Protection Device -Overload Protector

Capillary Tube Length

flow Rate

Inner Diameter

/min

C ,C

970

5.0

1.2

310

11.3

1.3

610

6.5

1.2

Air Filter Material

style P.P

Honeycomb -

Capacity Control Capillary Tube

Compressor Capacitor µF,VAC - 25µF,370VAC

Fan motor Capacitor µF,VAC - 1.2µF,400VAC

Specifications are subject to change without notice for further improvement.

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

3.2. CS-VA90KE / CU-VA90KE

Unit CS-VA90KE CU-VA90KE

Cooling Capacity kW

Btu/h 2.85

9,700

Heating Capacity kW

Btu/h 3.30

11,300

Moisture Removal /h

Pint/h 1.6

3.4

Power Source Phase

Cycle

Single

230

Airflow Method

Air Volume Indoor Air(Lo) m / min(cfm) Cooling ; 6.3(220)

Heating ; 6.4(230) -

Indoor Air(Me) m / min(cfm) Cooling ; 7.4(260)

Heating ; 7.5(260) -

Indoor Air(Hi) m/ min(cfm) Cooling ; 8.5(300)

Heating ; 8.6(300) -

Outdoor Air m / min(cfm) -22.4(790)

Noise Level dB(A) Cooling ; High 38,Low 30

heating ; High 38,Low 30 Cooling ; 48

Heating ; 48

Electrical

Data Input kW Cooling ; 0.94

Heating ; 0.86

Running Current ACooling ; 4.3

Heating ; 4.0

COP Cooling ; 3.03

Heating ; 3.84

Starting Current A 20

Piping Connection Port

(Flare piping) inch

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

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 m 0.7 -

Power Cord length

Number of core-wire 2.1 m

3 (1.0 mm )-

Dimensions Height inch(mm) 11 - 7/16(290) 18 - 29/32(480)

Width inch(mm) 31 - 15/32(799) 30 - 23/32(780)

Depth inch(mm) 6 - 29/32(175) 9 - 21/32(245)

Net Weight lb(kg) 18(8.0) 71(32.0)

Compressor Type -Rotary(1 cylinder

rolling piston type

Motor Type -Induction(2-poles)

Rated Output W - 750

Air Circularizing Type Cross-flow Fan Propeller Fan

Material AS+Glass Fiber 30 AES+Glass Fiber 12

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

Input W - 58.6

rated Output W 20 20

Fan

Speed Low rpm 980 -

Medium rpm 1,150 -

High(heating) rpm 1,310 730

Heat

Exchange description Evaporator Condenser

Tube material Copper Copper

Fine material Aluminium Aluminium

Fine type Slit Fin Corrugated Fin

Row/Stage (Plate fin configuration, forced draft)

2x12 1x18

FPI 18 19

Size(W x H x L) mm 600 x 252 x 25.4 856 x 457.2 x 22

Refrigerant Control Device - Capillary Tube

refrigeration Oil (c.c) - RB68A(350)

Refrigerant(R410A) g(oz) - 880(31.1)

Thermostat Electronic Control -

Protection Device -Overload Protector

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

Unit CS-VA90KE CU-VA90KE

Capillary Tube Length

flow Rate

Inner Diameter

/min

C ,C

970

5.0

1.2

750

15.4

1.7

590

8.2

1.3

Air Filter Material

style P.P

Honeycomb -

Capacity Control Capillary Tube

Compressor Capacitor µF,VAC - 25µF,370VAC

Fan motor Capacitor µF,VAC - 1.2µF,400VAC

Specifications are subject to change without notice for further improvement.

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

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