Panasonic CS-A18BTP User manual

1 SERVICE INFORMATION 3

2 FEATURES 4

3 SPECIFICATION (HEAT PUMP TYPE ) 8

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 28

10 PIPE LENGTH 29

11 OPERATING CHARACTERISTIC 31

12 FAN PERFORMANCE 32

13 SAFETY DEVICE 33

14 COMPONENT SPECIFICATION 34

15 CAPACITY AND POWER CONSUMPTION 35

16 DISCHARGE AND SUCTION PRESSURE 37

17 POSITION OF THE CENTRE GRAVITY 38

and distribution is a violation of law.

CS-A18BTP CU-A18BBP5

CS-A18BTP CU-C18BBP5

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 70

29 WIRELESS REMOTE CONTROL INSTALLATION MANUAL 75

30 INSTALLATION (INDOOR UNIT) 82

31 INSTALLATION (OUTDOOR UNIT) 91

32 REPLACEMENT PARTS 101

33 HEATING CAPACITY PERFORMANCE DATA 110

AIR CONDITIONER

CONTENTS

Page Page

ORDER NO. MAC0208029C8

34 COOLING CAPACITY PERFORMANCE DATA 111

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 Ceiling / NEW Outdoor Unit.

The new Ceiling / 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. New design

2.1.1. Gentle curved styling

•

• •

• The base has gentle curves which express a functional

beauty. It spreads the air quietly over a wide area.

2.2. Such quietness!

2.2.1. Several new mechanism add up to

low 36 dB noise (A18BT - High Fan

Speed)

1.Delta throat fan

A delta throat (projection) has been attached to the fan

outlet to suppress the generation of vortexes. This helps

maintain air flow sped even at lower fan speeds and is

effective in reducing noise.

2.Reflux orifice

The orifice at the intake port is equipped with an air flow

guide which minimizes the flow disturbances which occur at

the orifice and inside the impeller.

This reduces pressure losses inside the casing and also

helps reduce noise.

3.Adoption of wing-shaped vanes

•

• •

• The vanes of the fan have been changed to

“aerodynamic”shaped vanes, so that the air flow more

smoothly over the vane surfaces and noise is thus

suppressed.

•

• •

• Side filters have been adopted in the pipe partitions.

These allow the air intake space to be increased and

also further reduce noise.

2.2.2. Automatic swinging louvre

•

• •

• The horizontal air flow angle is a wide 100 degrees

(manual). The louvre can swing automatically (through 70

degrees vertically) using the remote control. This increases

the area of comfortable air flow and warms the air even to

floor level.

2.2.3. Newly-shaped louvre

•

• •

• The newly-shaped louvre and air outlet effectively distribute

the air flow. During cooling, this stops warm air from

collecting near the louvre, and prevents freezing.

2 FEATURES

2.3. Easy installation

2.3.1. Easy suspension

•

• •

• A suspension bolt fixing bracket with 4-point support is

attached to the main unit, which increases the space

available for installation.

2.3.2. Two installation methods :

standard and wall

•

• •

• In addition to the standard (1) ceiling installation, a wall (2)

installation method (using a wall-hanging bracket) is

available for cases where the ceiling is too high for the main

unit to be suspended.

2.4. Piping

2.4.1. 3-direction pipe lead-out

•

• •

• The refrigerant piping can lead out in one of three directions

(right, rear-right and top-right), and the drain pipe direction

can be selected from four directions (right, rear-right, left

and rear-left).

2.5. Easy maintenance

2.5.1. Long life filter (standard

equipment)

•

• •

• In general office environments, cleaning (maintenance) is

not required until after approximately 2,500 hours of

operation, thus reducing maintenance work.

•

• •

• For optimum comfort, it is recommended to clean the air

filter every 1-1/2 months.

2.5.2. Maintenance is possible from

underneath the unit.

•

• •

• If the bottom panel is detached, the drain pan can then be

removed and installed from underneath the unit, and

inspection and servicing of component such as the control

panel also becomes easier.

2.6. Auto fan mode (indoor unit)

•

• •

• Auto fan mode is added besides high, medium and low. It

automatically adjusts the fan speed according to the indoor

unit’s temperature.

2.7. Hot start system (heat pump

models)

2.8. Automatic changeover

function (heat pump models)

•

• •

• The unit automatically switches between cooling and

heating in accordance with operating load in order to

maintain a comfortable indoor temperature.

2.9. 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

−

− −

− Maximum piping length of 25m for all models.

2.10. 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.

2.11. 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 build-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.)

2.12. 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.

2.13. Group Control Equipment

3 SPECIFICATION (HEAT PUMP TYPE )

3.1. CS-A18BTP / CU-A18BBP5

ITEM / MODEL Indoor Unit Outdoor unit

Main Body CS-A18BTP CU-A18BBP5

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 210 x 1245 x 700 685 x 800 x 300

inch 8-17/32 x 49-1/64 x 27-9/16 26-31/32 x 31-1/2 x 11-13/16

Net Weight kg 33 56

lbs 73 123

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/Heat 2.31/2.30

Rated Output kW - 1.5

Fan Type, Number of Set Sirocco fan-4 Propeller fan-1

Motor Type 4-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 dB (A) Hi 40 Lo 36 Heating:55 Cooling:54

Power level dB Hi 57 Lo 53 Heating:68 Cooling: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.)

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-A18BTP, 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, 1~220, 230, 240V 50Hz

4 SPECIFICATION (COOLING ONLY TYPE )

4.1. CS-A18BTP / CU-C18BBP5

ITEM / MODEL Indoor Unit Outdoor unit

Main Body CS-A18BTP CU-C18BBP5

Remote CZ-RD51P (Wired)

Control CZ-RL01P (Wireless)

Cooling Capacity kW 5.0

BTU/h 17,100

Refrigerant Charge-less m 10

Standard Air Volume for High, m3/min Hi 17 Me 15 Lo 14 Hi 43

Medium and Low Speed cfm 600 530 494 1518

Outside Dimension (H x W x D) mm 210 x 1,245 x 700 685 x 800 x 300

inch 8-17/32 x 49-1/64 x 27- 9/16 26-31/32 x 31-1/2 x 11-13/16

Net Weight kg 33 52

lbs 73 115

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 Sirocco fan-4 Propeller fan-1

Motor Type 4-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 dB (A) Hi 40 Lo 36 Cooling: 54

Power level dB Hi 57 Lo 53 Cooling: 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-A18BTP, 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, 1~220, 230, 240V, 50Hz

5 TECHNICAL DRAWING

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