Panasonic CS-A75KE User manual

1 Features 2

2 Functions 3

3 Product Specifications 6

4 Dimensions 12

5 Refrigeration Cycle Diagram 14

6 Block Diagram 15

7 Wiring Diagram 16

8 Operation Details 17

9 Operating Instructions 33

10 Installation Instructions 57

11 2-way, 3-way Valve 66

and distribution is a violation of law.

CS-A75KE CU-A75KE

CS-A95KE CU-A95KE

CS-A125KE CU-A125KE

12 Servicing Information 73

13 Troubleshooting Guide 76

14 Technical Data 78

15 Exploded View 83

16 Replacement Parts List 84

17 Exploded View 85

18 Replacement Parts List 86

19 Exploded View 87

20 Replacement Parts List 88

21 Electronic Parts List 89

22 Electronic Circuit Diagram 90

Room Air Conditioner

CONTENTS

Page Page

Order No: MAC0010049C2

• High Efficiency

• Compact Design

• Comfort Environment

− 8 hours of sleep mode operation

− Air purifying filter with deodorizing function to reduce

dust, smoke and odours

• Random Auto Restart

− Auto restart at randomly after power failure

• Removable and Washable Front Panel

• Remote Control-Self Illuminating Button

• Catechin Air Purifying Filter

− To trap dust, tabacco smoke and tiny particles in the

room; to prevent the growth of bacteria and viruses

trapped in this filter

• Deodorizing Filter

• Quality Improvement

− Gas leakage protection

− Prevent compressor reverse rotation

− 2-stage OLP to protect compressor

− Noise prevention during Soft Dry operation

• Service Improvement

− Easy fan motor replacement procedure

• Operation Improvement

− Economy mode to reduce electrical power consumption

− Powerful mode to reach the desired room temperature

quickly

− Anti cold draft control

• Long Installation Piping

− CS/CU-A75KE, CS/CU-A95KE, long piping up to 10

meter

− CS/CU-A125KE, long piping up to 15 meter

1 Features

S-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

2 Functions

Remote Control

Operation OFF / ON

OFF / ON IRoom Temperature Setting

TEMP.

Operation Mode Selection

•AUTO Automatic Operation Mode

•HEAT Heating Operation Mode

•COOL Cooling Operation Mode

•DRY Soft Dry Operation Mode

MODE

TIMER Time / Timer Setting

• Hours and minutes setting.

Clock Setting

• Current time setting.

Sleep Mode Operation OFF / ON

SLEEP

Indoor Fan Speed Selection

FAN SPEED

•h j k Low Speed

•h j k Medium Speed

lll

•h j k High Speed

lllll

•AUTOFAN Automatic Fan Speed

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 Airflow Direction

Control

•MANUAL Airflow Direction Manual

Control

Powerful Mode Operation OFF/ON

POWERFUL

Economy Mode Operation OFF/ON

ECONOMY

• 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.

8 HI

9 Lo

Self illuminating

button

CS-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

Indoor Unit

Sleep Mode Auto Control

•Indoor Fan operates at Low speed.

•Operation stops after 8 hours.

•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 continuosly 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 continuosly 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.

•SLEEP (Orange)........ Lights up in Sleep

Mode Operation.

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

Setting.

•POWERFUL (Orange)..Lights up in Powerful

Mode Operation.

•ECONOMY (Green) .....Lights up in Economy

Mode Operation.

Operation Mode

•Heating, Cooling, Soft Dry and

Automatic Mode.

Powerful Operation

•Reaches the desired room temperature

quickly.

Time Delay Safety Control

•

Restarting is inhibited for appro. 3 minutes.

Starting Current Control

Economy Operation

•To reduce electrical power consumption.

7 Minutes Time Save Control

•Cooling Operation only.

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)

Anti Cold Draft Control

•

The indoor fan operates at SSLo when the

indoor heat exchanger temperature is low.

Hot-Start Control

•At Heating Operation the indoor fan will

operate at Lo speed when indoor heat

exchanger temperature reaches 30°C.

Indoor Fan Speed Control

•High, Medium and Low.

•Automatic Fan Speed Mode

–Heating : Fan speed varies from ME

;Lo in accordance with

indoor heat exchanger.

–Cooling : Fan rotates at Hi and Me

speed. Deodorizing control

is available.

–Soft Dry: Fan rotates at Lo speed.

Deodorizing control

is available.

30 Minutes Time Save Control

•Heating Operation only.

S-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

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

•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

•Inner protector.

CU-A75KE / CU-A95KE CU-A125KE

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)

Outdoor Fan Motor Control

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-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

3 Product Specifications

Unit CS-A75KE CU-A75KE

Cooling Capacity kW

kcal/h 2.20 - 2.10

1,890 - 1,810

Heating Capacity kW

kcal/h 2.45 - 2.40

2,110 - 2,060

Moisture Removal l/h

Pint/h 1.4

3.0

Power Source Phase

Cycle

Single

230 - 220

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Indoor Air (Lo) m3/min (cfm) Cooling; 5.9 (210) - 5.6 (200) —

Heating; 6.3 (220) - 6.1 (210)

Indoor Air (Me) m3/min (cfm) Cooling; 6.2 (220) - 6.0 (210) —

Heating; 7.6 (270) - 7.4 (260)

Indoor Air (Hi) m3/min (cfm) Cooling; 7.5 (260) - 7.2 (250) —

Heating; 8.5 (300) - 8.4 (300)

Indoor Air (SHi) m3/min (cfm) Cooling; 8.4 (300) - 8.2 (290) —

Heating; 8.5 (300) - 8.4 (300)

dB (A) Cooling; High 34-33, Low 26-26 Cooling; High 47 - 45

Heating; High 36-35, Low 26-26 Heating; High 49 - 47

Noise Level

Power level dB Cooling; High 47 - 46 Cooling; High 62 - 60

Heating; High 49 - 48 Heating; High 64 - 62

Electrical Data Input WCooling; 700 - 680

Heating; 640 - 600

Running Current ACooling; 3.6 - 3.5

Heating; 3.4 - 3.2

EER W/W (kcal/hw) Cooling; 3.14 - 3.09 (2.70 - 2.66)

COP W/W (kcal/hw) Heating; 3.83 - 4.00 (3.30 - 3.43)

Starting Current A15.5

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 m0.7 —

S-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

Power Cord Length

Number of core-wire m2.0

3 (1.0 mm2)—

—

Dimensions Height inch (mm) 10 - 31/32 (279) 18 - 29/32 (480)

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

Depth inch (mm) 7 - 27/32 (199) 9 - 21/32 (245)

Net Weight lb (kg) 20 (9.0) 64 (29.0)

Compressor Type —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output W—600

Air Circulation Type Cross-flow Fan Propeller Fan

Material AS + Glass Fiber 30% AES + Glass Fiber 12%

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

Input W20.6 - 19.1 65.8 - 57.5

Rate Output W10 20

Fan Speed Low rpm Cooling; 820 - 780 —

Heating; 855 - 825

Medium rpm Cooling; 855 - 825 —

Heating; 1,040 - 1,005

High rpm Cooling; 1,040 - 1,005 —

Heating; 1,160 - 1,140

SuperHigh rpm Cooling; 1,160 - 1,140 —

Heating; 1,160 - 1,140

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

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

Fin Type Slit Fin Louver Fin

Row / Stage (Plate fin configuration, forced draft)

2×14 1×18

FPI 18 19

Size (W × H × L) mm 614 × 294 × 25.4 856 × 457.2 × 22

Refrigerant Control Device —Capillary Tube

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

(290)

Refrigerant (R-22) g (oz) —815 (28.8)

Thermostat Electronic Control —

Protection Device —Overload Protector

Capillary Tube Length mm —Cooling; 850, Heating; 360

Flow Rate l/min —Cooling; 4.5, Heating; 10.5

Inner Diameter mm —Cooling; 1.1, Heating; 1.3

Air Filter Material

Style (c.c) P.P.

Honeycomb —

Capacity Control Capillary Tube

Compressor Capacitor µF, VAC —15 µF, 440VAC

Fan Motor Capacitor µF, VAC 1.5 µF, 400VAC 1.2 µF, 400VAC

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

CS-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

Unit CS-A95KE CU-A95KE

Cooling Capacity kW

kcal/h 2.80 - 2.70

2,410 - 2,320

Heating Capacity kW

kcal/h 3.40 - 3.30

2,920 - 2,840

Moisture Removal l/h

Pint/h 1.6

3.4

Power Source Phase

Cycle

Single

230 - 220

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Indoor Air (Lo) m3/min (cfm) Cooling; 6.4 (230) - 5.9 (210) —

Heating; 6.4 (230) - 5.9 (210)

Indoor Air (Me) m3/min (cfm) Cooling; 7.5 (265) - 7.1 (250) —

Heating; 7.6 (270) - 7.1 (250)

Indoor Air (Hi) m3/min (cfm) Cooling; 9.2 (320) - 8.9 (310) —

Heating; 9.8 (350) - 9.7 (340)

Indoor Air (SHi) m3/min (cfm) Cooling; 9.8 (350) - 9.6 (340) —

Heating; 9.8 (350) - 9.7 (340)

dB (A) Cooling; High 39-38, Low 26-26 Cooling; High 49 - 48

Heating; High 39-39, Low 26-26 Heating; High 49 - 47

Noise Level

Power level (dB) Cooling; High 52 - 51 Cooling; High 64 - 63

Heating; High 52 - 52 Heating; High 64 - 62

Electrical Data Input WCooling; 980 - 950

Heating; 885 - 870

Running Current ACooling; 4.6 - 4.6

Heating; 4.2 - 4.2

EER W/W (kcal/hw) Cooling; 2.86 - 2.84 (2.46 - 2.44)

COP W/W (kcal/hw) Heating; 3.84 - 3.79 (3.30 - 3.26)

Starting Current A22.0

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 m0.7 —

Power Cord Length

Number of core-wire m2.0

3 (1.0 mm2)—

—

S-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

Dimensions Height inch (mm) 10 - 31/32 (279) 18 - 29/32 (480)

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

Depth inch (mm) 7 - 27/32 (199) 9 - 21/32 (245)

Net Weight lb (kg) 20 (9.0) 71 (32.0)

Compressor Type —Rotary (1 cylinder)

rolling piston type

Motor Type —Induction (2-poles)

Rated Output W—800

Air Circulation Type Cross-flow Fan Propeller Fan

Material AS + Glass Fiber 30% AES + Glass Fiber 12%

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

Input W32.2 - 34.5 65.8 - 57.5

Rate Output W14 20

Fan Speed Low rpm Cooling; 875 - 800 —

Heating; 875 - 800

Medium rpm Cooling; 1,025 - 965 —

Heating; 1,025 - 965

High rpm Cooling; 1,250 - 1,210 —

Heating; 1,330 - 1,310

SuperHigh rpm Cooling; 1,330 - 1,310 —

Heating; 1,330 - 1,310

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper

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

Fin Type Slit Fin Louver Fin

Row / Stage (Plate fin configuration, forced draft)

2×14 1×18

FPI 18 19

Size (W ×H×L) mm 614 ×294 ×25.4 856 ×457.2 ×22

Refrigerant Control Device —Capillary Tube

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

(350)

Refrigerant (R-22) g (oz) —935 (33.0)

Thermostat Electronic Control —

Protection Device —Overload Protector

Capillary Tube Length mm —Cooling; 1,075, Heating; 325

Flow Rate l/min —Cooling; 5.2, Heating; 13.4

Inner Diameter mm —Cooling; 1.2, Heating; 1.4

Air Filter Material

Style (c.c) P.P.

Honeycomb —

Capacity Control Capillary Tube

Compressor Capacitor µF, VAC —25 µF, 370VAC

Fan Motor Capacitor µF, VAC 1.0 µF, 400VAC 1.2 µF, 400VAC

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

CS-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

Unit CS-A125KE CU-A125KE

Cooling Capacity kW

kcal/h 3.55 - 3.40

3,050 - 2,920

Heating Capacity kW

kcal/h 4.20 - 4.05

3,610 - 3,480

Moisture Removal l/h

Pint/h 2.1

4.4

Power Source Phase

Cycle

Single

230 - 220

Airflow Method OUTLET

INTAKE

SIDE VIEW TOP VIEW

Air Volume Indoor Air (Lo) m3/min (cfm) Cooling; 6.4 (230) - 6.0 (210) —

Heating; 6.4 (230) - 6.0 (210)

Indoor Air (Me) m3/min (cfm) Cooling; 8.0 (280) - 7.7 (270) —

Heating; 8.0 (280) - 7.7 (270)

Indoor Air (Hi) m3/min (cfm) Cooling; 9.0 (320) - 8.8 (310) —

Heating; 9.6 (340) - 9.5 (340)

Indoor Air (SHi) m3/min (cfm) Cooling; 9.6 (340) - 9.5 (340) —

Heating; 9.6 (340) - 9.5 (340)

dB (A) Cooling; High 39-39, Low 29-29 Cooling; High 49 - 48

Heating; High 39-39, Low 29-29 Heating; High 49 - 48

Noise Level

Power level (dB) Cooling; High 52 - 52 Cooling; High 64 - 63

Heating; High 52 - 52 Heating; High 64 - 63

Electrical Data Input kW Cooling; 1.24 - 1.20

Heating; 1.17 - 1.13

Running Current ACooling; 5.6 - 5.6

Heating; 5.2 - 5.2

EER W/W (kcal/hw) Cooling; 2.86 - 2.83 (2.46 - 2.43)

COP W/W (kcal/hw) Heating; 3.59 - 3.58 (3.09 - 3.08)

Starting Current A26.0

Piping Connection Port

(Flare piping) inch

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

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 m0.7 —

Power Cord Length

Number of core-wire m2.0

3 (1.0 mm2)—

—

S-A75KE CU-A75KE / CS-A95KE CU-A95KE / CS-A125KE CU-A125KE

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