Panasonic CS-MC12DKV User manual

1 Features 2

2 Functions 3

3 Product Specifications 6

3.1. CS-MC12DKV CU-2C24DKV 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

8.1. Cooling Operation 13

8.2. Soft Dry Operation 14

8.3. Automatic Operation 15

8.4. Operation Control 16

8.5. Indoor Fan Speed Control 19

8.6. Outdoor Fan Speed Control 21

8.7. Vertical Airflow Direction Control 21

8.8. Horizontal Airflow Direction Control 22

and distribution is a violation of law.

CS-MC12DKV CU-2C24DKV

8.9. Powerful Operation 22

8.10. Quiet Operation 23

8.11. Ionizer Operation 24

8.12. Timer Control 25

8.13. Random Auto Restart Control 25

8.14. Remote Control Signal Receiving Sound 25

9 Operating Instructions 26

10 Installation Instructions 32

10.1. Safety Precautions 32

10.2. Attached accessories 34

10.3. Select the best location 34

10.4. Indoor/Outdoor Unit Installation Diagram 34

10.5. Indoor unit 35

10.6. Outdoor unit 39

11 3-way Valve 43

11.1. Air purging 44

11.2. Pumping down 45

11.3. Evacuation 48

11.4. Gas charging 49

Air Conditioner

CONTENTS

Page Page

Order No. MAC0503054C3

12 Servicing Information 50

12.1. Distinction of Lead Free (PbF) Printed Circuit Board 50

12.2. Indoor Electronic Controllers Removal Procedures 50

12.3. Indoor Fan Motor and Cross Flow Fan Removal

Procedures 51

12.4. Auto OFF/ON Button 52

12.5. Remote Control Reset 53

13 Troubleshooting Guide 54

13.1. Refrigeration cycle system 54

13.2. Relationship between the condition of the air conditioner

and pressure and electric current 55

13.3. Diagnosis methods of a malfunction of a compressor 55

• 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

− Long piping up to 15 meter

14 Technical Data 56

14.1. Thermostat characteristics 56

14.2. Cooling Characteristic 56

14.3. Piping Length Characteristic Cooling 57

15 Exploded View (Indoor Unit) 58

16 Replacement Parts List (Indoor Unit) 59

17 Exploded View (Outdoor Unit) 60

18 Replacement Parts List (Outdoor Unit) 61

19 Electronic Circuit Diagram 62

19.1. Remote Control 69

19.2. Print Pattern Indoor Unit Printed Circuit Board 70

19.3. Print Pattern Indicator Printed Circuit Board 72

• Quality Improvement

− Random auto restart after power failure for safety restart

operation

− Gas leakage protection

− Prevent compressor reverse cycle

− Inner protector to protect compressor

− Noise prevention during soft dry operation.

− Gold Coated Condenser for high resistance to corrosion

• Operation Improvement

− Quiet mode to provide extra 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

1 Features

CS-MC12DKV CU-2C24DKV

2 Functions

CS-MC12DKV CU-2C24DKV

Outdoor Unit

To protect compressor from reverse

rotation when there is a instantaneous

power failure.

60 Sec. Forced Operation Control

Once the compressor is activated, it

does not stop within the first 60 sec.

However, it stops immediately when

received stop signal from remote control.

Overload Protector

2-stage 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

CS-MC12DKV CU-2C24DKV

3 Product Specifications

3.1. CS-MC12DKV CU-2C24DKV

Unit Indoor unit Outdoor unit

Power Source (Phase, Voltage, Cycle)

ø, V, Hz

Single

220

Cooling Capacity kW

(BTU/h)

(1 unit)

3.52 (12,000)

(2 units)

7.04 (24,000)

Moisture Removal I/h

(Pin/h)

(1 unit) 2.0

(4.2)

(2 units)

(8.5)

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Lo m3/min (cfm) 6.7 (236) × 2 —

Me m3/min (cfm) 6.8 (283) × 2 —

Hi m3/min (cfm) 9.5 (340) × 2 5.3 (1,870)

SHi m3/min (cfm) 9.7 (343) × 2 —

Noise Level dB (A) High 36 - 39, Low 29 High 54

Power level dB High 52 - 42 High 67

Electrical Data Input Power kW (1 unit)

1.19

(2 units)2.37

Running Current A (1 unit)

5.5

(2 units)

11.0

EER W/W (BTU/hW) (1 unit) 2.96 (10.08) (2 units) 2.97 (10.14)

Starting Current A 33.0 × 2

Piping Connection Port

(Flare piping)

inch

G ; Half Union 1/2”

L ; Half Union 1/4”

G ; 3-way valve 1/2”

L ; 3-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 m650 —

Dimensions Height inch (mm) 11 - 1/32 (280) 29 - 17/32 (750)

Width inch (mm) 31 - 15/32 (799) 34 - 7/16 (875)

Depth inch (mm) 7 - 7/32 (183) 13 - 19/32 (345)

Net Weight lb (kg) 20 (9.0) 137 (62)

Compressor Description —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output W — 850 × 2

CS-MC12DKV CU-2C24DKV

Unit Indoor unit Outdoor unit

Fan Motor Description Cross-flow Fan Propeller Fan

Material ASG32KI PPResin

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

Input W 55.0 170.8

Rated Output W 15 77

Fan Speed Low rpm 900 —

Medium rpm 1,080 —

High rpm 1,280 870 - 870

SuperHigh rpm 1,310 —

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

Fin material Aluminium Aluminium (Gold Coated)

Fin Type Slit Fin Louver Fin

Row / Stage (Plate fin configuration, forced draft)

2×15 2×34

FPI 21 18

Size (W × H × L) mm 610 × 315 × 25.4 870.5 : 850.5 × 714.0 × 25.4

Refrigerant Control Device —Capillary Tube

Refrigeration Oil (c.c) — SUNISO 4GDID or ATMOS M60

or ATMOS 56M

Refrigerant (R-22) g (oz) — 880 × 2 (31.1 × 2)

Thermostat Electrical —

Protection Device — 2-stage Overload Protector

Capillary Tube Length mm — 656

Flow Rate l/min — 17.7

Inner Diameter mm — 1.8

Air Filter Material

Style

P.P.

Honeycomb

—

Capacity Control Capillary Tube

Compressor Capacitor µF, VAC — 30 µF, 400 VAC

Fan Motor Capacitor µF, VAC 1.5 µF, 400 VAC 3.5 µF, 440 VAC

Note:

• Specifications are subjected to change without prior notice for further improvement.

CS-MC12DKV CU-2C24DKV

4 Dimensions

4.1. Indoor Unit & Remote Control

CS-MC12DKV CU-2C24DKV

4.2. Outdoor Unit

CS-MC12DKV CU-2C24DKV

5 Refrigeration Cycle Diagram

CS-MC12DKV CU-2C24DKV

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