Panasonic CS-A12CTP User manual

1 Functions 2

2 Product Specifications 5

3 Dimensions 11

4 Refrigeration Cycle Diagram 13

5 Block Diagram 15

6 Wiring Diagram 17

7 Operation Details 19

8 Operating Instructions 35

9 Installation Instructions 39

10 Servicing Information 50

and distribution is a violation of law.

CS-A12CTP CU-A12CTP5

CS-A18CTP CU-A18CTP5

CS-A24CTP CU-A24CTP5

11 Troubleshooting Guide 51

12 Technical Data 53

13 Exploded View 55

14 Replacement Parts List 56

15 Exploded View 57

16 Replacement Parts List 58

17 Exploded View 59

18 Replacement Parts List 60

19 Electronic Circuit Diagram 61

Room Air Conditioner

CONTENTS

Page Page

Order No. MAC0301002C8

1 Functions

MODE SLEEP

FANSPEED

RESET

TIMER

AUTO

MANUAL

AUT

HEA

COOL

FAN

SPEED

OFF OFF ON

TEMP OFF/ON

AIR SWING

SELECTSET/CANCEL

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

Sleep Mode Operation OFF / ON

Indoor Fan Speed Selection

FAN SPEED

•Low Fan Speed

•Medium Fan Speed

•High Fan Speed

•AUTO Automatic Fan Speed

Airflow Direction Control

TIMER 12-hour Timer Setting

AIR SWING

•AUTO Automatic Airflow Direction

Control

•MANUAL Airflow Direction Manual

Control

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.

•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

OFF / ON I

Self illuminating

button

SLEEP

CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

Indoor Unit

Sleep Mode Auto Control

•Indoor Fan operates refer to Indoor Fan

Speed.

•Operation stops after 8 hours.

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

SLo speed.

–Soft Dry : Fan rotates at Lo- speed.

•Automatic air swing and manual adjusted

by remote control for vertical airflow.

•Manually adjusted by hand for horizontal

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,

deice operation and

hotstart.

•

SLEEP

(Orange) ......... Lights up in Sleep Mode

Operation.

•

TIMER

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

Setting.

•

AIR SWING

(Orange) ... Lights up in Auto Air

Swing Mode Operation.

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.

Anti-Freezing Control

•Anti-Freezing control for indoor heat

exchanger. (Cooling and Soft Dry)

Random Auto Restart Control

•Operation is restarted randomly after

power failure at previous setting mode.

Operation Mode

•Heating, Cooling, Soft Dry and Automatic

Mode.

30 Minutes Time Save Control

•Heating Operation only.

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 SSLo when the

indoor heat exchanger temperature is low.

(During Heating mode thermal off)

CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

Outdoor Unit

CU-A12CTP5

•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 for A12CT

only.

Inner protector for A18CT & A24CT only.

Compressor Reverse Rotation

Protection Control

Outdoor Fan Operation Control

A18 / 24CT

•4-pole induction motor (2 speed).

•For Cooling or Soft Dry operation

Hi-speed ............... When outdoor

temperature reaches to 31°C.

Lo-speed .............. When outdoor

temperature reaches to 29°C.

•For Heating operation

Hi-speed ............... When outdoor

temperature reaches to 13.5°C.

Lo-speed .............. When outdoor

temperature reaches to 15.5°C.

•For Over-heating Protection, the Fan is

switched ON or OFF depending on the

piping temperature and the outdoor

temperature.

A12CT

•6-pole induction motor (1 speed).

CU-A18CTP5

CU-A24CTP5

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 (A12CT).

•Compressor stop when indoor heat

exchanger temperature reaches 65°C

(A12CT), 68°C (A18CT & A24CT).

(Heating Operation Only)

Deice Control

•To prevent frosting at outdoor heat ex-

changer. (Only for Heating Operation)

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-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

2 Product Specifications

Unit CS-A12CTP CU-A12CTP5

Power Source Phase

Cycle

Single

220 - 230

Cooling Capacity kW

Btu/h

kcal/h

3.52 - 3.52

12,000 - 12,000

3,030 - 3,030

Heating Capacity kW

Btu/h

kcal/h

4.00 - 4.00

13,600 - 13,600

3,440 - 3,440

Moisture Removal l/h

Pint/h

2.0

4.2

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Indoor Air (Lo) m3/min (cfm) Cooling: 7.5 (260) - 7.5 (260)

Heating: 7.5 (260) - 7.5 (260)

—

Indoor Air (Me) m3/min (cfm) Cooling: 8.9 (310) - 8.9 (310)

Heating: 8.9 (310) - 8.9 (310)

—

Indoor Air (Hi) m3/min (cfm) Cooling: 9.7 (340) - 9.7 (340)

Heating: 9.7 (340) - 9.7 (340)

32.5 (1,150) - 33.0 (1,160)

Noise Level dB (A) Cooling: High 39 - 39; Low 33 - 33

Heating: High 39 - 39; Low 33 - 33

Cooling: High 48 - 49

Heating: High 48 - 49

Power Noise Level dB (A) Cooling: High 52 - 52

Heating: High 52 - 52

Cooling: High 62 - 63

Heating: High 64 - 65

Electrical Data Input Power WCooling: 1,090 - 1,160

Heating: 1,080 - 1,140

Running Current ACooling: 5.1 - 5.2

Heating: 5.0 - 5.1

EER W/W 3.23 - 3.03

COP W/W 3.70 - 3.51

Starting Current A16.9

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 20 —

Length m0.6 —

Power Cord Length

Number of core-wire

m1.8

3 (1.0 mm2)

—

Dimensions Height inch (mm) 21 - 9/32 (540) 21 - 9/32 (540)

Width inch (mm) 40 - 1/2 (1,028) 30 - 23/32 (780)

Depth inch (mm) 7 - 7/8 (200) 11 - 13/32 (289)

Net Weight lb (kg) 40 (18) 82 (37)

Compressor Type —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output kW —0.93

Air Circulation Type SIROCCO Propeller Fan

Material ABS STYLAC 181 PP

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

Input W69.8 - 79.0 65 - 73

Rated Output W29 33

Fan Speed Low rpm Cooling: 640 - 640

Heating: 640 - 640

—

Medium rpm Cooling: 760 - 760

Heating: 760 - 760

—

High rpm Cooling: 830 - 830

Heating: 830 - 830

835 - 845

CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

Unit CS-A12CTP CU-A12CTP5

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

Fin material Aluminium Aluminium (Blue Coated)

Fin Type Louver Fin Corrugated Fin

Row / Stage (Plate fin configuration, forced draft)

2×12 2×24

FPI 20 16

Size (W × H × L) mm 857 × 252 × 25.4 720 × 504 × 36.38

Refrigerant Control Device —Capillary Tube

Refrigeration Oil (c.c) —SUNISO 4GSI (410)

Refrigerant (R-22) g (oz.) —920 (32.5)

Thermostat Electronic Control —

Protection Device —Overload Protector

Capillary Tube Length mm —Cooling: 630, Heating: 455

Flow Rate l/min —Cooling: 6.5, Heating: 13.6

Inner Diameter mm —Cooling: 1.2, Heating: 1.5

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, 450VAC

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

CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

Unit CS-A18CTP CU-A18CTP5

Power Source Phase

Cycle

Single

220 - 230

Cooling Capacity kW

Btu/h

kcal/h

5.30 - 5.30

18,100 - 18,100

4,560 - 4,560

Heating Capacity kW

Btu/h

kcal/h

6.00 - 6.00

20,500 - 20,500

5,160 - 5,160

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: 8.5 (300) - 8.5 (300)

Heating: 9.1 (320) - 9.1 (320)

25.1 (890) - 26.7 (940)

Indoor Air (Me) m3/min (cfm) Cooling: 9.5 (340) - 9.5 (340)

Heating: 9.7 (340) - 9.7 (340)

—

Indoor Air (Hi) m3/min (cfm) Cooling: 10.2 (360) - 10.2 (360)

Heating: 10.4 (370) - 10.4 (370)

38.3 (1,350) - 40 (1,410)

Noise Level dB (A) Cooling: High 42 - 42; Low 37 - 37

Heating: High 42 - 42; Low 37 - 37

Cooling: High 54 - 55

Heating: High 55 - 56

Power Noise Level dB (A) Cooling: High 55 - 55

Heating: High 55 - 55

Cooling: High 67 - 68

Heating: High 68 - 69

Electrical Data Input Power WCooling: 1,890 - 2,020

Heating: 1,890 - 2,020

Running Current ACooling: 8.8 - 9.0

Heating: 8.8 - 9.0

EER W/W 2.80 - 2.62

COP W/W 3.17 - 2.97

Starting Current A44

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 20 —

Length m0.6 —

Power Cord Length

Number of core-wire

m1.8

3 (1.5 mm2)

—

Dimensions Height inch (mm) 21 - 9/32 (540) 26 - 31/32 (685)

Width inch (mm) 40 - 1/2 (1,028) 31 - 1/2 (800)

Depth inch (mm) 7 - 7/8 (200) 11 - 13/16 (300)

Net Weight lb (kg) 44 (20) 132 (60)

Compressor Type —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output kW —1.7

Air Circulation Type SIROCCO Propeller Fan

Material ABS STYLAC 181 AES + PC + GF15%

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

Input W69.8 - 79.0 105 - 130

Rated Output W29 67

Fan Speed Low rpm Cooling: 770 - 770

Heating: 810 - 810

650 - 690

Medium rpm Cooling: 870 - 870

Heating: 870 - 870

—

High rpm Cooling: 930 - 930

Heating: 930 - 930

990 - 1,030

CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

Unit CS-A18CTP CU-A18CTP5

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

Fin material Aluminium Aluminium (Blue Coated)

Fin Type Louver Fin Corrugated Fin

Row / Stage (Plate fin configuration, forced draft)

2×12

1×10

2×26

FPI 20 16

Size (W ×H×L) mm 857 ×252 ×25.4

857 ×210 ×12.7

769.2

732.9

×660.4 ×44

Refrigerant Control Device —Capillary Tube

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

M60 (700)

Refrigerant (R-22) kg (oz.) —1.55 (54.7)

Thermostat Electronic Control Mecha. Control

Protection Device —Inner Protector

Capillary Tube Length mm —680

Flow Rate l/min —11.5

Inner Diameter mm —1.5

Air Filter Material

Style

P.P.

Honeycomb

—

Capacity Control Capillary Tube

Compressor Capacitor µF, VAC —50 µF, 370VAC

Fan Motor Capacitor µF, VAC 1.5 µF, 440VAC 3.0 µF, 450VAC

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

CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

Unit CS-A24CTP CU-A24CTP5

Power Source Phase

Cycle

Single

220 - 230

Cooling Capacity kW

Btu/h

kcal/h

6.40 - 6.40

21,800 - 21,800

5,500 - 5,500

Heating Capacity kW

Btu/h

kcal/h

7.50 - 7.50

25,600 - 25,600

6,450 - 6,450

Moisture Removal l/h

Pint/h

3.5

7.4

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Indoor Air (Lo) m3/min (cfm) Cooling: 10.5 (370) - 10.5 (370)

Heating: 11.0 (390) - 11.0 (390)

25.6 (910) - 27.4 (970)

Indoor Air (Me) m3/min (cfm) Cooling: 11.8 (420) - 11.8 (420)

Heating: 11.8 (420) - 11.8 (420)

—

Indoor Air (Hi) m3/min (cfm) Cooling: 12.9 (460) - 12.9 (460)

Heating: 12.9 (460) - 12.9 (460)

46.0 (1,620) - 47.2 (1,670)

Noise Level dB (A) Cooling: High 47 - 47; Low 42 - 42

Heating: High 47 - 47; Low 42 - 42

Cooling: High 59 - 60

Heating: High 60 - 61

Power Noise Level dB (A) Cooling: High 60 - 60

Heating: High 60 - 60

Cooling: High 72 - 73

Heating: High 73 - 74

Electrical Data Input Power WCooling: 2,600 - 2,740

Heating: 2,720 - 2,860

Running Current ACooling: 12.7 - 13.0

Heating: 13.3 - 13.6

EER W/W 2.46 - 2.34

COP W/W 2.76 - 2.62

Starting Current A66

Piping Connection Port

(Flare piping)

inch

G ; Half Union 5/8”

L ; Half Union 1/4”

G ; 3-way valve 5/8”

L ; 3-way valve 1/4”

Pipe Size

(Flare piping)

inch

G (gas side) ; 5/8”

L (liquid side) ; 1/4”

G (gas side) ; 5/8”

L (liquid side) ; 1/4”

Drain

Hose

Inner diameter mm 20 —

Length m0.6 —

Power Cord Length

Number of core-wire

m1.8

3 (2.5 mm2)

—

Dimensions Height inch (mm) 21 - 9/32 (540) 26 - 31/32 (685)

Width inch (mm) 40 - 1/2 (1,028) 31 - 1/2 (800)

Depth inch (mm) 7 - 7/8 (200) 11 - 13/16 (300)

Net Weight lb (kg) 44 (20) 139 (63)

Compressor Type —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output kW —2.2

Air Circulation Type SIROCCO Propeller Fan

Material ABS STYLAC 181 AES + PC + GF15%

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

Input W94.2 - 104.1 190.0 - 171.3

Rated Output W51 108

Fan Speed Low rpm Cooling: 900 - 900

Heating: 940 - 940

635 - 680

Medium rpm Cooling: 1,010 - 1,010

Heating: 1,010 - 1,010

—

High rpm Cooling: 1,100 - 1,100

Heating: 1,100 - 1,100

1,140 - 1,170

CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

Unit CS-A24CTP CU-A24CTP5

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

Fin material Aluminium Aluminium (Blue Coated)

Fin Type Louver Fin Corrugated Fin

Row / Stage (Plate fin configuration, forced draft)

2×12

1×10

2×26

FPI 20 16

Size (W ×H×L) mm 857 ×252 ×25.4

857 ×210 ×12.7

769.2

732.9

×660.4 ×44

Refrigerant Control Device —Capillary Tube

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

M60 (1,130)

Refrigerant (R-22) kg (oz.) —2.23 (78.7)

Thermostat Electronic Control Mecha. Control

Protection Device —Inner Protector

Capillary Tube Length mm —690

Flow Rate l/min —20.0

Inner Diameter mm —1.9

Air Filter Material

Style

P.P.

Honeycomb

—

Capacity Control Capillary Tube

Compressor Capacitor µF, VAC —50 µF, 370VAC

Fan Motor Capacitor µF, VAC 3.0 µF, 440VAC 3.0 µF, 450VAC

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

CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5

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