Panasonic CS-A18BB4P User manual

1 SERVICE INFORMATION 3

2 FEATURES 4

3 SPECIFICATION (HEAT PUMP TYPE ) 7

4 SPECIFICATION (COOLING ONLY TYPE ) 9

5 TECHNICAL DRAWING 10

6 CIRCUIT DIAGRAM 12

7 OPERATING INSTRUCTION 24

8 REFRIGERATION CYCLE 26

9 OPERATION RANGE 27

and distribution is a violation of law.

CS-A18BB4P CU-A18BBP5

CS-A18BB4P CU-C18BBP5

10 PIPE LENGTH 28

11 OPERATING CHARACTERISTIC 30

12 FAN PERFORMANCE 31

13 SAFETY DEVICE 32

14 COMPONENT SPECIFICATION 33

15 CAPACITY AND POWER CONSUMPTION 34

16 DISCHARGE AND SUCTION PRESSURE 37

17 POSITION OF THE CENTER GRAVITY 38

AIR CONDITIONER

CONTENTS

Page Page

ORDER NO. MAC0208026C8

18 REACHING DISTANCE 39

19 SOUND DATA 40

20 TWIN AND TRIPLE 42

21 WIRING MISTAKE PREVENTION 47

22 TEST OPERATION AND SELF DIAGNOSIS 48

23 SETTING OF SAVE ENERGY AND THERMISTOR SWITCH 52

24 GROUP CONTROL 53

25 TROUBLESHOOTING 54

26 EMERGENCY OPERATION 59

27 CONTROL 60

28 WIRED REMOTE CONTROL INSTALLATION MANUAL 71

29 WIRELESS REMOTE CONTROL INSTALLATION MANUAL 76

30 INSTALLATION (INDOOR UNIT) 83

31 INSTALLATION (OUTDOOR UNIT) 92

32 REPLACEMENT PARTS 102

33 HEATING CAPACITY PERFORMANCE DATA 111

34 COOLING CAPACITY PERFORMANCE DATA 112

1 SERVICE INFORMATION

Caution:

●Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use

a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C).

●Pb free solder will tend to splash when heated too high (about 1100° F/600°C).

Notice of Address setting for NEW Cassette / NEW Outdoor Unit.

The new Cassette / new Outdoor models are possible to have address setting for twin / triple control or group control

automatically when main power supply is switched on.

(Manual address setting is also possible by using DSW1 switch on the indoor unit P.C. board.) However, this address setting is

only possible when proper wiring connection is made and indoor unit must be of original unit.

1.1. Example of trouble during test operation

If the below phenomenon is found during test operation, wrong address setting is possible.

Therefore, please inspect the address setting.

1.LCD display of the wired remote control is not illuminated although the main power supply switch is ‘on’.

2.LCD display had indicated as normal illumination when power supply switch is ‘on’, however outdoor unit cannot be operated.

(But, it is necessary to take 3 to 5 minutes for outdoor unit to start from the timing of remote control OFF/ON button is ‘on’.)

(For normal operation, the outdoor unit will only start its operation after 3 to 5 minutes upon pressing the OFF/ON button.)

3.P.C. board had memorized wrong setting information.

a.If main power supply is switched on with the wrong connection.

b.When changing the connection or combination of units due to re-installation etc.

•

• •

• When changing the system from twin to triple (triple to twin).

•

• •

• When changing the system from group control to normal one to one system.

•

• •

• When making the replacement of units of master and slave etc.

1.2. Caution during test operation

Do not touch the remote control button and do not change any wirings for one minute when the main power supply switch is ‘on’.

(Because the unit is having automatic address setting during the first one minute.)

1.3. Caution during automatic address setting

When the main power supply switch is ‘on’, the P.C. board will automatically memorize the connecting system.

Consequently, when initial power supply is ‘on’, there mustn’t be any interchanging of units even of the same type and same

capacity unit.

Therefore, connection of the unit to another system is prohibited.

2.1. Variety of excellent features

•

• •

• Compact design

Compact design 240 mm height, 840 mm width and 840

mm depth.

•

• •

• Automatic restart function

When the electric power resumes after a power failure, the

unit will automatically restarts the operation in the pre-

failure mode.

•

• •

• Auto fan mode (indoor unit)

Auto fan mode is added besides HI, ME and LO.

It automatically adjusts the fan speed according to the

indoor temperature.

•

• •

• Dry mode function

Dry mode can make a comfortable indoor environment

during wet season.

•

• •

• Quiet operation

The sound level is 37dB (A) for 18BB model during High

Fan speed and suitable for offices, shops, homes etc, when

quiet operation is essential.

•

• •

• Auto Swing Louvre

The air flow angle can be changed automatically (or

manually) to an angle between 10°to 70°using the remote

control.

•

• •

• Low ambient cooling operation

Cooling operation is possible at outdoor temperature of

-5°C (2.5 HP ~ 6 HP models), 10°C (2 HP model).

•

• •

• Automatic changeover function (heat pump models)

The unit automatically switches between cooling and

heating in accordance with operating load in order to

maintain a comfortable indoor temperature.

•

• •

• Hot start system (heat pump models)

•

• •

• Pipes and drainage

Built-in upward draining mechanism.

2.2. Greatly improved workability

increases system renewal

capability

•

• •

• Pipes that are one size larger can also be connected for

renewal.

−

− −

− If renewing the system, existing refrigerant pipes can be

utilized so that only the indoor and outdoor units need to

be replaced.

−

− −

− For example, liquid and gas pipes from 10 years ago

can be connected to current pipes with the same size or

one size larger. Effective utilization of materials reduces

working time and trouble. (Adaptor sockets are not

supplied.)

•

• •

• Additional refrigerant charging unnecessary for 10 m

−

− −

− All models do not require any additional charging of

refrigerant for 10 m of pipe length. This makes

installation much easier.

•

• •

• Drain water dripping-prevention structure

−

− −

− The base of the outdoor unit is provided with a single

drain hole in order to prevent drain water from leaking

out of the unit. By connecting a drain elbow and a

discharge pipe, water leakages can be prevented even

when the unit is installed to a wall.

•

• •

• Long pipe design for refrigerant pipes

2 FEATURES

−

− −

− Maximum piping length of 25m for all models.

2.3. A brand-new control method

using the latest in technology

•

• •

• Easier power supply wiring connection

Power supply wiring and other wiring tasks can be carried

out more easily.

−

− −

− Twin non-polar wires used to connect indoor and

outdoor units.

−

− −

− Adoption of connection error prevention circuits for drive

wires and signal wires. If a connection error is made, the

relay does not operate and current does not flow to the

circuit boards.

•

• •

• Twin and Triple operation

−

− −

− Simultaneous air conditioning of wide spaces and

corners is possible. Indoor units of different

horsepowers can even be used in combination.

−

− −

− Master unit and slave-units can be set automatically in

twin and triple systems. No address setting is

necessary.

−

− −

− Multiple indoor units can be operated simultaneously

with a single remote control. Note that individual

operation is not possible.

•

• •

• Separate indoor/outdoor unit power supplies

The power supply can be connected to (1) just the outdoor

units, or (2) to both the indoor and outdoor units.

•

• •

• Easy test operation

Test operation can be carried out for both indoor and

outdoor units.

•

• •

• Automatic setting initialization function (Remote control

and Indoor unit)

In accordance with the indoor and outdoor units connected

and the connection methods, conditions such as the

connection configuration (twin or triple format) and remote-

control functions such as automatic louvre operation and

cooling or heating mode are automatically detected and set

instantly.

2.4. Wired Remote Control

•

• •

• The new design includes an easily-visible red pilot lamp.

The power can be turned on and off at a single touch,

without opening the cover.

•

• •

• Has a built-in thermistor, allowing indoor temperature

detection in accordance with indoor conditions by switching

with main unit thermistor.

•

• •

• Twin non-polar wires make installation work easy. (10 m

cable supplied as accessory.)

2.5. Wireless Remote Control

•

• •

• New design with compact size. (Operation range within

approximately 8 m.)

•

• •

• Built-in timer with ON/OFF timer setting (within 24 hours)

Wired Wireless

Heat Pump CZ-RD51P CZ-RL51P

Cooling CZ-RD51P CZ-RL01P

NOTE: Both of the above remote control is packed separately

from the indoor unit.

2.6. Group Control Equipment

3 SPECIFICATION (HEAT PUMP TYPE )

3.1. CS-A18BB4P / CU-A18BBP5

ITEM / MODEL Indoor Unit Outdoor unit

Main Body CS-A18BB4P CU-A18BBP5

Panel CZ-BT01P

Remote CZ-RD51P (Wired)

Control CZ-RL51P (Wireless)

Cooling Capacity kW 5.0

BTU/h 17,100

Heating Capacity kW 5.6

BTU/h 19,100

Refrigerant Charge-less m 10

Standard Air Volume for High, m3/min 14 Hi 43

Medium and Low Speed cfm 494 1518

Outside Dimension (H x W x D) mm 240 x 840 x 840 685 x 800 x 300

inch 9-7/16 x 33-1/24 x 33-1/24 26-31/32 x 31-1/2 x 11-13/16

Net Weight kg 26 56

lbs 57 123

Piping

Connection Refrigerant Gas mm (inch) O.D Ø12.70 (1/2) Flared Type

Liquid mm (inch) O.D Ø6.35 (1/4) Flared Type

Drain mm O.D Ø20 I.D Ø20 x 1

Compressor Type, Number of Set -Hermetic-1 (Rotary), 1

Starting Method - Direct on-line starting

Motor Type -2-pole single phase induction motor

Input kW -Cool/Heat 2.31/2.30

Rated Output kW - 1.5

Fan Type, Number of Set Turbo fan-1 Propeller fan-1

Motor Type 6-pole single phase induction motor 4-pole single phase induction motor

Input kW 0.08 0.11

Rated Output kW 0.03 0.045

Air-heat Exchanger Slit-fin type Louvre-fin type

Refrigerant Control Cool Capillary tube -

Heat - Capillary tube

Refrigerant Oil (Charged) litre - M60 (0.67)

Refrigerant (Charged) kg - (2.0)

oz (71)

Running

Adjustment Control Switch Wireless or Wired Remote Control -

Room Temperature Thermostat (Main Body) -

Safety Devices Internal protector for compressor, Internal thermostat for fan motor,

Crankcase heater, High and heating pressure switch, Current transformer

Noise Level Cool dB (A) Hi 37 Lo = 33 Hi 54

Heat Hi 37 Lo = 33 Hi 55

Cool Power level dB Hi 52 Lo = 48 Hi 67

Heat Hi 52 Lo = 48 Hi 68

1.Cooling capacities are based on indoor temperature of 27°C D.B. (80.6°F D.B.), 19.0°C W.B. (66.2°F W.B.) and outdoor air

temperature of 35°C D.B. (95°F D.B.), 24°C W.B. (75.2°F W.B.)

2.Heating capacities are based on indoor temperature of 20°C D.B. (68°F D.B.) and outdoor air temperature of 7°C D.B. (44.6°F

D.B.), 6°C W.B. (42.8°F W.B.)

ELECTRICAL DATA (50Hz)

ITEM / MODEL CS-A18BB4P, CU-A18BBP5

Condition by JIS B 8615

Volts V 220 230 240

Phase Single Single Single

Power Consumption kW Cool 1.90 1.90 1.90

Heat 1.88 1.88 1.88

Running Current ACool 8.7 8.5 8.4

Heat 8.6 8.4 8.3

Starting Current A 38 40 42

Power Factor % Cool 99 97 94

Heat 99 97 94

*Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor.

Panasonic Power source AC, 1~220V, 230V, 240V 50Hz

4 SPECIFICATION (COOLING ONLY TYPE )

4.1. CS-A18BB4P / CU-C18BBP5

ITEM / MODEL Indoor Unit Outdoor unit

Main Body CS-A18BB4P CU-C18BBP5

Panel CZ-BT01P

Remote CZ-RD51P (Wired)

Control CZ-RL01P (Wireless)

Cooling Capacity kW 5.00

BTU/h 17,100

Refrigerant Charge-less m 10

Standard Air Volume for High, m3/min 14 Hi 43

Medium and Low Speed cfm 494 1518

Outside Dimension (H x W x D) mm 240 x 840 x 840 685 x 800 x 300

inch 9-7/16 x 33-1/24 x 33-1/24 26-31/32 x 31-1/2 x 11-13/16

Net Weight kg 26 52

lbs 57 115

Piping

Connection Refrigerant Gas mm (inch) O.D Ø12.7 (1/2) Flared Type

Liquid mm (inch) O.D Ø6.35 (1/4) Flared Type

Drain mm O.D Ø20 I.D Ø20 x 1

Compressor Type, Number of Set -Hermetic-1 (Rotary), 1

Starting Method - Direct on-line starting

Motor Type -2-pole single phase induction motor

Input kW -Cool 2.31

Rated Output kW - 1.5

Fan Type, Number of Set Turbo fan-1 Propeller fan-1

Motor Type 6-pole single phase induction motor 4-pole single phase induction motor

Input kW 0.08 0.11

Rated Output kW 0.03 0.045

Air-heat Exchanger Slit-fin type Louvre-fin type

Refrigerant Control Capillary tube -

Refrigerant Oil (Charged) litre - M60 (0.67)

Refrigerant (Charged) kg - (1.6)

oz (56)

Running

Adjustment Control Switch Wireless or Wired Remote Control -

Room Temperature Thermostat (Main Body) -

Safety Devices Internal protector for compressor, Internal thermostat for fan motor,

Crankcase heater, High pressure switch, Current transformer

Noise Level Cool dB (A) Hi 37 Lo = 33 Hi 54

Cool Power level

dB Hi 52 Lo = 48 Hi 67

1.Cooling capacities are based on indoor temperature of 27°C D.B. (80.6°F D.B.), 19.0°C W.B. (66.2°F W.B.) and outdoor air

temperature of 35°C D.B. (95°F D.B.), 24°C W.B. (75.2°F W.B.)

ELECTRICAL DATA (50Hz)

ITEM / MODEL CS-A18BB4P, CU-C18BBP5

Condition by JIS B 8615

Volts V 220 230 240

Phase Single Single Single

Power Consumption kW Cool 1.90 1.90 1.90

Running Current ACool 8.7 8.5 8.4

Starting Current A 38 40 42

Power Factor % Cool 99 97 94

*Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor.

Panasonic Power source AC, 1~220V, 230V, 240V 50Hz

5 TECHNICAL DRAWING

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