Panasonic CS-C12BKPG, CU-2C24BKP5G, CU-C14BKPG, CU-2C23BKP5G Service Manual

Order No. MAC0201007C2

Multi-Split Air Conditioner

CS-C12BKPG CU-2C24BKP5G CS-C14BKPG CU-2C23BKP5G CS-C9BKPG

CONTENTS

Page Page

1 Features 2 2 Functions 3 Product Specifications 4 Dimensions 5 Refrigeration Cycle Diagram 6 Block Diagram 7 Wiring Diagram 8 Operation Details 9 Operating Instructions 10 Installation Instructions

11 3-way Valve 40 12 Servicing Information

3 6

13 Troubleshooting Guide 14 Technical Data

10 12

15 Exploded View

16 Replacemen t Parts List 17 Exploded View

15 17

18 Replacemen t Parts List 19 Electronic Parts List

25 30

20 Electronic Circuit Diagram

47 51 53 55 56 57 58 60 61

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

1 Features

High Efficiency

•

Compact Design

•

Comfort Improvement

•

Longer hours of sleep mode operation

−

Air filter with function to reduce dust and smoke

−

Wider range of horizontal discharge air

−

Auto Restart

•

Random auto restart after power failure for safety restart

−

operation

Removable and Washable Front Panel

•

Remote Control Self-illuminating Button

•

Catechin Air Purifying Filter

•

Trap dust, tobacco smoke and tiny particles

−

Prevent the growth of bacteria and viruses trapped

−

Solar Refreshing Deodorizing Filter

•

Remove unpleasant odour from the air

−

Quality Improvement

•

Gas leakage protection

−

Prevent compressor reverse cycle

−

Low voltage protection

−

Operation Improvement

•

Economy mode to reduce electrical power consumption

−

Powerful mode to reach the desired room temperature

−

quickly

Installation Work Improvement

•

Long piping up to 15 meter

−

24-hour Timer Setting

•

Service Improvement

•

Easy fan motor replacement procedure

−

2 Functions

Remote Control

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

Self illuminating

button

OFF / ON I

MODE

FAN SPEED

AIR SWING

POWERFUL

Operation OFF / ON

Operation Mode Selection

•

AUTO COOL DRY FAN

Automatic Operation Mode Cooling Operation Mode Soft Dry Operation Mode Air Circulation Mode

Indoor Fan Speed Selection

•

FAN

Low Fan Speed

•

FAN

Medium Fan Speed

•

FAN

High Fan Speed

•

AUTO FAN

Automatic Fan Speed

Vertical Airflow Direction Control

•

AUTO

Automatic Vertical Airflow Direction Control

•

MANUAL

Vertical Airflow Direction Manual Control (5 stages of adjustment)

Powerful Mode Operation OFF/ON

TEMP.

ON-TIMER OFF-TIMER

TIME

SET CANCEL

CLOCK

Room Temperature Setting

Cooling, Soft Dry, Air Circulation 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.

Timer Operation Selection

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

Time / Timer Setting

• Hours and minutes setting.

Timer Operation Set / Cancel

• ON Timer and OFF Timer setting and cancellation.

Clock Setting

• Current time setting.

ECONOMY

Economy Mode Operation OFF/ON

SLEEP

Sleep Mode Operation OFF / ON

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

Indoor Unit

AUTO

OFF / ON

Automatic Operation Button

Random Auto Restart Control

• 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.

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

• Cooling, Soft Dry, Air Circulation and Automatic Mode.

Powerful Operation

• Reaches the desired room temperature quickly.

• 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)

Sleep Mode Auto Control

• Indoor Fan operates at Low speed.

• Operation stops after 8 hours.

Indoor Fan Speed Control

• High, Medium and Low.

• Automatic Fan Speed Mode – Cooling : Fan rotates at Hi, Me and

SLo speed. Deodorizing control is available.

– Soft Dry: Fan rotates at SLo speed.

Deodorizing control is available.

Airflow Direction Control

• Automatic air swing and manual adjusted by remote control for vertical airflow.

•

Manually adjusted by hand for horizontal airflow.

Starting Current Control

• Fan motor is delayed for 1.6 seconds when compressor starts simultaneously.

Time Delay Safety Control

•

Restarting is inhibited for appro. 3 minutes.

Economy Operation

• To reduce electrical power consumption.

7 Minutes Time Save Control

• Cooling Operation only.

Anti-Dew Formation Control

• Anti-Dew Formation Control for indoor unit discharge area.

Outdoor Unit

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

Compressor Reverse Rotation Protection Control

• To protect compressor from reverse rotation when there is a instantaneous power failure.

Overload Protector for Compressor

• Inner protector (For 2C24BK only).

• Overload Protector will trip when – High temperature or high current flows

to compressor. (Refer circuit diagram for OLP characteristic)

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 for Fan Motor

• Inner protector.

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

3 Product Specifications

Unit CS-C12BKPG CU-2C24BKP5G

Power Source Phase

Cooling Capacity kW

Moisture Removal l/h

Airflow Method OUTLET

Air Volume Indoor Air (Lo) m3/min (cfm) 7.3 (260) - 7.3 (260) —

Indoor Air (Me) m3/min (cfm) 8.7 (310) - 8.7 (310) — Indoor Air (Hi) m3/min (cfm) 10.2 (360) - 10.2 (360) — Indoor Air (SHi) m3/min (cfm) 10.5 (370) - 10.5 (370) —

Cycle

kcal/h

Pint/h

INTAKE

(1 unit) 3.52 - 3.46

3,023 - 2,975.5

(1 unit) 2.0

4.2

SIDE VIEW TOP VIEW

Single

230 - 220

(2 units) 7.03 - 6.92

6,046 - 5,951

(2 units) 4.0

8.4

Noise Level dB (A) High 39 - 39, Low 29 - 29 High 55 - 54

Power level dB High 52 - 52 High 68 - 67

Electrical Data Input W (1 unit)

Running Current A (1 unit)

COP W/W (1 unit) 2.98 - 2.93 (2 units) 2.98 - 2.94

Starting Current A (1 unit) 27 (2 unit) 54

Piping Connection Port (Flare piping)

Pipe Size (Flare piping)

Drain Hose

Dimensions Height inch (mm) 10 - 13/16 (275) 26 - 31/32 (685)

Net Weight lb (kg) 20 (9.0) 159 (72) Compressor Type — Rotary (1 cylinder)

Inner diameter mm 12 — Length m 0.7 —

Width inch (mm) 31 - 15/32 (799) 34 - 21/32 (880) Depth inch (mm) 8 - 9/32 (210) 13 - 19/32 (345)

Motor Type — Induction (2-poles) Rated Output W — A: 950 B: 950

inch inch

1,180 - 1,180

5.35 - 5.45

G ; Half Union 1/2”

L ; Half Union 1/4” G (gas side) ; 1/2”

L (liquid side) ; 1/4”

(2 units)

2,360 - 2,350

(2 units)

10.7 - 10.9

G ; 3-way valve 1/2”

L ; 3-way valve 1/4”

G (gas side) ; 1/2”

L (liquid side) ; 1/4”

rolling piston type

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

Air Circulation Type Cross-flow Fan Propeller Fan

Material AS + Glass Fiber 20% AS + Glass Fiber 20%

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

Input W 29.3 - 26.3 87 Rated Output W 15 50

Fan Speed Low rpm 900 - 900 —

Medium rpm 1,080 - 1,080 — High rpm 1,260 - 1,260 870 SuperHigh rpm 1,300 - 1,300 —

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper Fin material Aluminium Aluminium Fin Type Slit Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft)

2×15 2×26 FPI 21 16 Size (W × H × L) mm 610 × 315 × 25.4 826 × 663.9 × 44

Refrigerant Control Device — Capillary Tube Refrigeration Oil (c.c) — SUNISO 4GDID or ATMOS M60

Refrigerant (R-22) g (oz) — 930 × 2 (32.8 × 2) Thermostat Electronic Control — Protection Device — Internal Overload Protector Capillary Tube Length mm — 500

Flow Rate l/min — 15.2 Inner Diameter mm — 1.5

Air Filter Material

Style

Capacity Control Capillary Tube Compressor Capacitor µF, VAC — 35 µF, 370 VAC Fan Motor Capacitor µF, VAC 1.5 µF, 400 VAC 3.0 µF, 450 VAC

(c.c) P.P.

Honeycomb

(410 × 2)

—

•

Specifications are subject to change without notice for further improvement.

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

Unit

Power Source Phase

Cycle

Cooling Capacity kW

kcal/h

One Unit (A)

CS-C14BKPG

(A) 4.11 - 4.06

3,533 - 3,491

One Unit (B) CS-C9BKPG

Single

230 - 220

(B) 2.64 - 2.61

2,272 -

CU-2C23BKP5G

(A+B) 6.75 - 6.67

5,805 - 5,736

2,245

Moisture Removal l/h

Pint/h

Airflow Method OUTLET

(A) 2.3

4.9

(B) 1.6

3.4

(A+B) 3.8

8.0

SIDE VIEW TOP VIEW

INTAKE

Air Volume Indoor Air (Lo) m3/min (cfm) 7.3 - 7.3 (260 - 260) 6.8 - 6.8 (240 - 240) —

Indoor Air (Me) m3/min (cfm) 8.7 - 8.7 (310 - 310) 8.0 - 8.0 (280 - 280) — Indoor Air (Hi) m3/min (cfm) 10.2 - 10.2 (360 - 360) 9.9 - 9.9 (350 - 350) — Indoor Air (SHi) m3/min (cfm) 10.5 - 10.5 (370 - 370) 10.9 - 10.9 (380 - 380) —

Noise Level dB (A) (A)

Power level

(A+B)

(A)

(A+B)

High 39 - 39 Low 29 - 29 High 39 - 39 Low 29 - 29

High 52 - 52 High 50 - 50

(B) High 36 -

36 Low 26 26

(B) High 49 -

(A) (B)

(A+B)

(A) (B)

(A+B)

High 55 - 54 High 55 - 54 High 55 - 54

High 68 - 67 High 68 - 67 High 68 - 67

Electrical Data Input W (A) 1,410 - 1,380 (B) 900 - 890 (A+B) 2,310 - 2,270

Running Current A (A) 6.33 - 6.45 (B) 4.07 - 4.15 (A+B) 10.4 - 10.6

COP W/W (A) 2.91 - 2.94 (B) 2.93 - 2.93 (A+B) 2.92 - 2.94

Starting Current A (A) 31.1 (B) 18.8 (A+B) 49.9

Piping Connection Port (Flare piping)

Pipe Size (Flare piping)

Drain Hose

Inner diameter mm 12 — Length m 0.7 —

inch inch

G ; Half Union 1/2”,3/8”

L ; Half Union 1/4”,1/4” G (gas side) ; 1/2”, 3/8”

L (liquid side) ; 1/4”,1/4”

G ; 3-way valve 1/2”,3/8”

L ; 3-way valve 1/4”,1/4”

G (gas side) ; 1/2”,3/8”

L (liquid side) ; 1/4”,1/4”

Dimensions Height inch (mm) 10 - 13/16 (275) 26 - 31/32 (685)

Width inch (mm) 31 - 15/32 (799) 34 - 21/32 (880)

Depth inch (mm) 8 - 9/32 (210) 13 - 19/32 (345) Net Weight lb (kg) 20 (9.0) 146 (66) Compressor Type — Rotary (1 cylinder)

rolling piston type Motor Type — Induction (2-poles) Rated Output W (A) 1,200 (B) 700 (A+B) 1,900

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

Air Circulation Type Cross-flow Fan Propeller Fan

Material AS + Glass Fiber 20% AS + Glass Fiber 12%

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

Input W (A) 28.7 - 27.1 (B) 20.6 - 19.1 87 Rated Output W (A) 15 (B) 15 50

Fan Speed Low rpm (A) 900 - 900 (B) 780 - 780 —

Medium rpm (A) 1,080 - 1,080 (B) 920 - 920 — High rpm (A) 1,260 - 1,260 (B) 1,140 - 1,140 870 SuperHigh rpm (A) 1,300 - 1,300 (B) 1,250 - 1,250 —

Heat Exchanger Description Evaporator Condenser

Tube material Copper Copper Fin material Aluminium Aluminium Fin Type Slit Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft)

(A) 2 × 15 (B) 2 × 15 2 × 26 FPI 21 19 16 Size (W × H × L) mm 610 × 315 × 25.4 826 × 663.9 × 44

Refrigerant Control Device — Capillary Tube Refrigeration Oil (c.c) — SUNISO 4GDID or ATMOS

Refrigerant (R-22) g (oz) — (A) 1,060 (37.4)

Thermostat Electronic Control — Protection Device — Overload Protector Capillary Tube Length mm — (A) 430 (B) 370

Flow Rate l/min — (A) 19.5 (B) 12.8 Inner Diameter mm — (A) 1.7 (B) 1.4

Air Filter Material

Style

Capacity Control Capillary Tube Compressor Capacitor µF, VAC — 30 µF, 370 VAC Fan Motor Capacitor µF, VAC 1.5 µF, 400 VAC 3.0 µF, 450 VAC

(c.c) P.P.

Honeycomb

M60 (A) 410, (B) 270

(B) 640 (22.6)

—

•

Specifications are subject to change without notice for further improvement.

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

4 Dimensions

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

5 Refrigeration Cycle Diagram

6 Block Diagram

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

7 Wiring Diagram

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

8 Operation Details

8.1. Cooling Mode Operation

Cooling in operation according to Remote Control setting.

Time Delay Safety Control (3 minutes)

When the compressor is stopped by Remote Control, it restarts after 3 minutes when the Remote Control is turned ON.

•

When the setting temperature is reached during cooling operation, the compressor stops and it will not start for 3 minutes.

•

7 minutes Time Save Control

The compressor will start automatically if it has stopped for 7 minutes even if the room temperature is between the compressor

•

ON temperature and OFF temperature.

Starting Current Control

When the compressor outdoor fan motor and indoor fan motor are simultaneously started, the indoor fan motor will operate 1.6

•

second later.

Anti-Freezing Control

If the temperature of the indoor heat exchanger falls

•

continuously below 2°C for 4 minutes or more, the compressor turns off to protect the indoor heat exchanger from freezing. The fan speed setting remains the same.

Compressor will restart again when the indoor heat

•

exchanger temperature rises to 10°C (Recovery).

3 minutes waiting of Time Delay Safety Control is valid for Cooling Operation.

Compressor Reverse Rotation Protection Control

If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and

•

indoor heat exchanger is 2.5°C or less for 2 minutes, compressor will stop and restart automatically. (Time Delay Safety Control is valid)

▲

T = Intake air temperature - Indoor heat exchanger temperature

This is to protect reverse rotation of the compressor when there is a instantaneous power failure.

Anti-Dew Formation Control

Purpose is to prevent dew formation on indoor unit air discharge area.

•

When the following conditions accur for 30 minutes continuously, anti-dew formation is controlled by indoor fan speed shift to

•

low (CLo to HLo):

Indoor intake air temperature is more than 24°C and less than 30°C.

−

Remote Control setting temperature is less than 25°C.

−

Compressor is on.

−

Cooling operation mode.

−

Indoor Fan motor operate at Low fan speed.

−

This control is cancelled immediately when above condition is changed.

•

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

Automatic Fan Speed Mode

When Automatic Fan Speed is selected at Remote Control during cooling operation.

Fan speed rotates in the range of Hi to Me.

•

Deodorizing Control.

•

Cooling Operation Time Diagram

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

8.2. Soft Dry Mode Operation

The unit starts cooling operation until the room temperature reaches the setting temperature set on the Remote Control, and

•

then Soft Dry operation will start. During Soft Dry operation, the Indoor Fan will operate at SLo speed.

•

The operation will be switched on and off for up to 10 minutes “ON” and 6 minutes “OFF”. Once Soft Dry operation is turned

•

off, it stops for 6 minutes.

Time Delay Safety Control

Once the compressor stops, it will not start for 3 minutes during Cooling operation.

•

Starting Current Control

Same as Starting Current Control for Cooling Mode operation.

•

Anti-Freezing Control

Same as Anti-Freezing Control for Cooling Mode operation. (For Soft Dry region, 6 minutes waiting is valid during compressor

•

stops.)

Compressor Reverse Rotation Protection Control

Same as Compressor Reverse Rotation Protection Control for Cooling Mode Operation. (For Soft Dry region, 6 minutes waiting

•

is valid during compressor stops.)

Anti-Dew Formation Control

Same as Anti-Dew Formation Control for Cooling Mode operation.

•

Automatic Fan Speed Mode

When Automatic Fan Speed is selected at Remote Control during Soft Dry operation.

Fan speed off and on at SLo speed.

•

Deodorizing Control.

•

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

Soft Dry Operation Time Diagram

CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG

8.3. Air Circulation Mode Operation

When the temperature near the ceiling reaches the setting temperature, Air Circulation Mode operation commences at low

•

airflow volume. It stops when the temperature drops to 2°C below the setting temperature.

Air Circulation Mode Operation Time Diagram

8.4. Automatic Mode Operation

Standard for Determining Operation Mode

Indoor fan operates at SLo fan speed for 25 seconds.

•

After judging indoor air temperature, the operation mode is determined and operation continued at the mode determined.

•

After the operation mode has been determined, the mode does not change. However, Soft Dry mode operation includes

•

Cooling mode operation. Room temperature adjustment.

•

The following are added to the setting temperature specified as above.

The mode judging temperature and standard setting temperature can be increased by 2°C, by open the circuit of JX1 at indoor

•

electronic controller.

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