Panasonic CS-A18BD3P User manual

1 SERVICE INFORMATION 3

2 FEATURES 4

3 SPECIFICATION (HEAT PUMP TYPE) 7

4 SPECIFICATION (COOLING ONLY TYPE ) 8

5 TECHNICAL DRAWING 9

6 CIRCUIT DIAGRAM 11

7 OPERATING INSTRUCTION 22

8 REFRIGERATION CYCLE 24

9 OPERATION RANGE 25

10 PIPE LENGTH 26

11 OPERATING CHARACTERISTIC 28

12 FAN PERFORMANCE 29

13 SAFETY DEVICE 30

and distribution is a violation of law.

CS-A18BD3P CU-A18BBP5

CS-A18BD3P CU-C18BBP5

14 COMPONENT SPECIFICATION 31

15 CAPACITY AND POWER CONSUMPTION 33

16 DISCHARGE AND SUCTION PRESSURE 36

17 POSITION OF THE CENTRE GRAVITY 37

18 SOUND DATA 38

19 TWIN AND TRIPLE 39

20 WIRING MISTAKE PREVENTION 45

21 TEST OPERATION AND SELF DIAGNOSIS 46

22 SETTING OF SAVE ENERGY AND THERMISTOR SWITCH 50

23 GROUP CONTROL 51

24 TROUBLE SHOOTING 52

25 EMERGENCY OPERATION 58

26 CONTROL 59

AIR CONDITIONER

CONTENTS

Page Page

ORDER NO.MAC0208031C8

27 INSTALLATION (INDOOR UNIT) 70

28 INSTALLATION (OUTDOOR UNIT) 87

29 REPLACEMENT PARTS 97

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 Hide-Away / NEW Outdoor Unit.

The new Hide-Away / New Outdoor models are possible to have address setting for twin / triple control or group control

by automatic when main power supply is switched on.

(Manual address setting is also possible by using Dip switch on Indoor unit P.C. board.) However, this address setting is only

possible when made proper wiring connection and also Indoor unit should be original virgin unit.

1.1. Example of trouble at test operation

If found out as following phenomenon at test operation on site, it may have possibility of wrong address setting.

Therefore, please ensure of the address setting.

1.LCD display of wired remote control had not illuminate 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 ON/OFF switch is ‘on’.)

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 as master and slave etc.

1.2. Caution of test operation

Do not touch the remote control switch 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 main power supply switch is ‘on’, the P.C. board will automatically memorized the connecting system.

Consequently, when initial power supply is ‘on’, there will not be interchangeability of units even of the same type and same

capacity unit. Therefore unable to connect the unit to another system.

2.1. Variety of excellent features

2.1.1. Compact design, height 27 cm

•

• •

• The height has been reduced to 27 cm (for 2.0HP to

6.0HP), the equipment can be installed in limited spaces.

2.1.2. Versatile installation

•

• •

• The indoor unit is designed in order that air will also enter

from below, for easier installation under different conditions.

•

• •

• The equipment has two drain outlets on the right and left

side for adoption to the installation conditions in the

building.

2.1.3. Easy maintenance

•

• •

• Equipped with a filter as standard. The filter can be

removed in three directions for easier maintenance.

2.1.4. Static pressure selection

•

• •

• The static pressure is selectable; 5mmAq or 7mmAq. The

static pressure can be selected according to the condition

of the duct.

2.1.5. Quiet operation

•

• •

• The sound level is as low as 33db (A) for 2.0 HP. The

models is ideal for installation in offices, shop and houses

where quiet operation is important.

2.1.6. Auto fan mode operation

•

• •

• Auto fan mode is added to existing modes Hi, Me and Lo.

It aotomatically adjusts the fan speed according to the

indoor temperature.

2.1.7. Dry mode function

•

• •

• Dry mode can make a comfortable indoor environment

during wet season.

2.1.8. Automatic changeover function

(heat pump models)

•

• •

• The unit automatically switches between cooling and

heating in accordance with operating load in order to

maintain a confortable indoor temperature.

2.1.9. Common design for Indoor unit

and Remote Control

•

• •

• The indoor unit and the wire remote control are design as a

common specification between Cooling only and Heat

Pump models.

2.1.10. 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.

•

• •

• 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 accessories)

2.1.11. Automatic restart function

When the electric power resumes after a power failure, the unit

will automatically restarts the operation in the pre-failure mode.

2.1.12. 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).

2 FEATURES

2.2. Greatly improved workability

increases system renewal

capability

2.2.1. 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 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 for one size

larger. Effective utilization of materials reduces working

time and trouble. (Adaptor sockets are not supplied.)

2.2.2. 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.

2.2.3. 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. Body connecting a drain elbow and a discharge pipe,

water leakages can be prevented even when the unit is

installed against a wall.

2.2.4. Easy test operation

•

• •

• Test operation can be carried out for both indoor and

outdoor units.

2.2.5. Long pipe design

Max piping length: 25 (m) 18BB

Height difference/equivalent pipe

length 20/25

2.3. A brand-new control method

using the latest in technology

2.3.1. Power supply wiring is also easier

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 drives

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

relay does not operate and current does not flow to the

circuit boards.

2.3.2. Separate indoor/outdoor unit

power supplies

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

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

2.3.3. 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 configuration

(twin or triple format) and remote-control functions such as

cooling only or heat pump model are automatically detected

and set instantly.

2.3.5. Twin and Triple operation

•

• •

• Simultaneous air conditioning of wide spaces and corners is

possible. Indoor units of different horsepowers and models

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.

■

■■

■Twin and Triple combination table

2.3.4. Group control equipment

ELECTRICAL DATA (50Hz)

3 SPECIFICATION (HEAT PUMP TYPE)

3.1 CS-A18BD3P / CU-A18BBP5

ITEM / MODEL Indoor Unit Outdoor unit

Main Body CS-A18BD3P CU-A18BBP5

Cooling Capacity kW 5.00

(BTU/h) (17,100)

Heating Capacity kW 5.60

(BTU/h) (19,100)

Refrigerant Charge-less m 10

Standard Air Volume for High Medium and Low

Speed m3/min Hi 17 -

cfm Hi 600 -

External Static Pressure mmAq 7 -

Pa 69

Air Inlet Backward Suction Rear sided Suction

Air Outlet Front blow-out Front blow-out

Outside Dimension (H x W x D) mm 270 x (780 + 100) x 650 685 x 800 x 300

Net Weight kg (lbs) 34 (75) 56 (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 Female screw RC1 (PT1) I.DØ20 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 Sirocco fan-2 Prop. fan-1

Air Volume Control Three-Step and Auto mode -

(Remote Control)

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

Input kW 0.15 0.11

Rated Output kW 0.085 0.045

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

Refrigerant Control Capillary tube Capillary tube

Refrigerant Oil (Charged) L - M60 (0.67)

Refrigerant (Charged) kg (oz) - R-22 2.0 (71)

Running

Adjustment Control Switch Wired Remote Control -

Room Temperature Thermostat (Main Body) -

Safety Devices Internal protector for compressor, Internal thermostat for F.M, Crankcase

heater, High pressure switch, Current Transformer

Noise Level (Sound Pressure) dB (A) Hi 37 Lo 33 Cooling 54, Heating 55

Power level

dB Hi 52 Lo 48 Cooling 67, Heating 68

1.Cooling capacities are based on indoor temp. 27°C D.B (80.6°F D.B.), 19.0°C W.B. (66.2°F W.B.) and outdoor air temp. 35°C

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

2.Heating capacities are based on indoor temp. 20°CD.B (68.0°FD.B.) and outdoor air temp. 7°C D.B. (44.6°F D.B.), 6°C W.B.

(42.8°F D.B.)

MODEL / ITEM CS-A18BD3P/CU-A18BBP5

Condition by JIS B 8616

Volts V 220 230 240

Phase Single Single Single

Input Power kW Cool 1.95 1.95 1.95

Heat 1.88 1.88 1.88

Running Current ACool 9.0 8.9 8.8

Heat 8.6 8.4 8.3

Starting Current A 38 40 42

Power Factor % Cool 98 95 92

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

ELECTRICAL DATA (50Hz)

4 SPECIFICATION (COOLING ONLY TYPE )

4.1 CS-A18BD3P / CU-C18BBP5

ITEM / MODEL Indoor Unit Outdoor unit

Main Body CS-A18BD3P CU-C18BBP5

Cooling Capacity kW 5.00

(BTU/h) (17,100)

Refrigerant Charge-less m 10

Standard Air Volume for High m3/min Hi 17 -

Medium and Low Speed cfm Hi 600 -

External Static Pressure mmAq 7 -

Pa 69

Air Inlet Backward Suction Rear sided Suction

Air Outlet Front blow-out Front blow-out

Outside Dimension (H x W x D) mm 270 x (780 + 100) x 650 685 x 800 x 300

Net Weight kg (lbs) 34 (75) 52 (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 Female screw RC1 (PT1) I.DØ20 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 Sirocco fan-2 Prop. fan-1

Air Volume Control Three-Step and Auto mode -

(Remote Control)

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

motor

Input kW 0.15 0.11

Rated Output kW 0.085 0.045

Air-heat exchanger Louvre-fin type Louvre-fin type

Refrigerant Control Capillary tube Capillary tube

Refrigerant oil (Charged) L - M60 (0.67)

Refrigerant (Charged) kg (oz) - R-22 1.6 (56)

Running

Adjustment Control Switch Wired Remote Control -

Room Temperature Thermostat (Main Body) -

Safety Devices Internal protector for compressor, Internal thermostat for F.M, Crankcase

heater, High pressure switch, Current Transformer

Noise Level (Sound Pressure) dB (A) Hi 37 Lo 33 Hi 54

Power level dB Hi 52 Lo 48 Hi 67

1.Cooling capacities are based on indoor temp. 27°C D.B. (80.6°F D.B.), 19.0°C W.B. (66.2°F W.B.) and outdoor air temp. 35°C

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

MODEL / ITEM CS-A18BD3P/CU-C18BBP5

Condition by JIS B 8616

Volts V 220 230 240

Phase Single Single Single

Input Power kW Cool 1.95 1.95 1.95

Running Current ACool 9.0 8.9 8.8

Starting Current A 38 40 42

Power Factor % Cool 98 95 92

*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

CS-A18BD3P

OUTSIDE DIMENSIONS

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