Panasonic CS-A24BB4P User manual

ORDERNO. MAC0112071C0

AIRCONDITIONER

CASSETTE TYPE

Indoor Model / Outdoor Model

(Cooling / Heat Pump)

CS-A24BB4P / (CU-C24BBP5 / CU-A24BBP5)

CS-A28BB4P / (CU-C28BBP5 / CU-A28BBP5)

CS-A28BB4P / (CU-C28BBP8 / CU-A28BBP8)

CS-A28BB4P / (CU-C28BBP6)

CS-A34BB4P / (CU-C34BBP5 / CU-A34BBP5)

CS-A34BB4P / (CU-C34BBP8 / CU-A34BBP8)

CS-A34BB4P / (CU-C34BBP7)

CS-A43BB4P / (CU-C43BBP8 / CU-A43BBP8)

CS-A43BB4P / (CU-C43BBP7)

CS-A50BB4P / (CU-C50BBP8 / CU-A50BBP8)

CS-A50BB4P / (CU-C50BBP7)

2001 Matsushita Air-Conditioning Corp. Sdn. Bhd. (183914D).

violation of law.

1. SERVICE INFORMATION

Notice of Address setting forNEW Cassette / NEW OutdoorUnit.

The newCassette / newOutdoormodels are possible tohave address setting fortwin/ triple

control orgroup control automaticallywhenmainpowersupplyis switchedon.

(Manual address setting is alsopossible byusing DSW1 switchon the indoorunit P.C. board.)

However, this address setting is onlypossible whenproperwiring connection is made and

indoorunit must be of original unit.

1.1. Exampleof troubleduring test operation

If the belowphenomenon is found during test operation, wrong address setting is possible. /

Therefore, please inspect the address setting.

1. LCD displayof the wired remote control isnot illuminated

although the mainpower supplyswitch is‘on’.

2. LCD displayhad indicated as normal illumination when power

supplyswitch is‘on’, however outdoor unitcannot be operated. /

(But, itisnecessaryto take 3to 5minutes for outdoor unitto start

from the timing of remote control OFF/ONbutton is‘on’.)/ (For

normal operation, the outdoor unitwill onlystart its operation

after 3to 5minutes upon pressing the OFF/ONbutton.)

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

A. Ifmainpower supplyisswitched on with the wrong connection.

B. When changing the connection or combination of units due to

re-installation etc.

-When changing the system from twinto triple(tripleto 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

Donot touchthe remote control button and do not change anywirings forone minute whenthe

mainpowersupplyswitchis ‘on’. / (Because the unit is having automatic address setting during

the first one minute.)

1.3. Caution during automaticaddress setting

Whenthe mainpowersupplyswitchis ‘on’, the P.C. boardwill automaticallymemorize the

connecting system. / Consequently, wheninitial powersupplyis ‘on’, there mustn’t be any

interchanging of units evenof the same type and same

capacityunit. / Therefore, connection of the unit toanothersystemis prohibited.

2. FEATURES

2.1. Varietyof excellent features

-Compact design / Compact design 240 mm height, 840 mm width

and 840 mm depth. (3 HPunitbody)

-Automaticrestart function / When the electricpower resumes after

apower failure, the unitwill automaticallyrestarts the operation in

the pre-failure mode.

-Auto fan mode (indoor unit) / Auto fan mode isadded besides HI,

ME and LO. / Itautomaticallyadjusts the fan speed according to

the indoor temperature.

-Drymode function / Drymode can make acomfortableindoor

environment during wet season.

-Quiet operation / The sound level is41dB(A)for 28BB model

during High Fan speed and suitablefor offices, shops, homes etc,

when quiet operation isessential.

-Auto Swing Louvre / The airflow anglecan be changed

automatically(or manually)to an anglebetween 10° to 70° using

the remote control.

-Low ambient cooling operation / Cooling operation ispossibleat

outdoor temperature of / -5°C.

-Automaticchangeover function (heat pump models)

The unitautomaticallyswitches between cooling and heating in

accordance with operating load inorder to maintainacomfortable

indoor temperature.

-Hot start system (heat pump models)

-Pipes and drainage / Built-inupward draining mechanism.

2.2. Low-noise outdoor units

2.2.1. Product features

-Low-noise design improves comfort insurrounding areas

1. The noise-suppressing winglet fan isaresultof new research

into vane design theory. The unique curved shape suppresses

the generation of vortexes, thus reducing airflow noise.

2. The adoption of double-orifice rings reduces airpassage

resistance.

3. Strengthening of the noise insulation materialsinthe

compressor and the sealing-inof mechanical noise allows

vibration noise to be greatlyenclosed and suppressed.

4. The heat exchanger has an L-shaped design to allow airto flow

more smoothly.

5. Noise isautomaticallyreduced further during night-time

operation with lower outdoor airtemperatures.

2.3. Greatlyimproved workabilityincreases system renewal

capability

-Pipes that are one size larger can also be connected for renewal.

-Ifrenewing the system, existing refrigerant pipes can be utilized so

that onlythe indoor and outdoor units need to be replaced.

-For example, liquidand gas pipes from 10 years ago can be

connected to current pipes with the same size or one size larger.

Effective utilization of materialsreduces working time and trouble.

(Adaptor sockets are not supplied.)

-Additional refrigerant charging unnecessaryfor 30 m

-All modelsdo not require anyadditional charging of refrigerant for

30 mof pipe length. Thismakes installation much easier.

-Drainwater dripping-prevention structure

-The base of the outdoor unitisprovided with asingledrainholein

order to prevent drainwater from leaking out of the unit. By

connecting adrainelbow and adischarge pipe, water leakages

can be prevented even when the unitisinstalled to awall.

-Save space design allowsunits to be installed side-by-side

continuously

-Servicing after installation can be carried out byremoving the front

covers.

-Long pipe design for refrigerant pipes

-Maximum piping length of 50m for all models.

-Internal pipe connection

-Pipes are connected inside the units (inside the side covers),

making the final appearance more attractive.

-Pipes can be diverted outward inanyof four directions (forward,

right, down, rear).

-Small liquidpipe diameters of 9.52mm for 43BB and 50BB models,

making installation work much easier.

-Centralized draining method

-Even when multipleoutdoor units are installed to awall, the drain

outlets can be concentrated into asingledrainpipe. Thismakes

installation easier and also improves appearance.

2.4. Abrand-new control method using the latest intechnology

-Easier power supplywiring connection / Power supplywiring and

other wiring tasks can be carried out more easily.

-Twinnon-polar wires used to connect indoor and outdoor units.

-Adoption of connection error prevention circuits for drive wires

and signal wires. Ifaconnection error ismade, the relaydoes not

operate and current does not flow to the circuitboards.

-Twinand Tripleoperation

-Simultaneous airconditioning of wide spaces and corners is

possible. Indoor units of different horsepowers can even be used

incombination.

-Master unitand slave-units can be set automaticallyintwinand

triplesystems. Noaddress setting isnecessary.

-Multipleindoor units can be operated simultaneouslywith asingle

remote control. Note that individual operation isnot possible.

-Separate indoor/outdoor unitpower supplies / The power supply

can be connected to (1) just the outdoor units, or (2) to both the

indoor and outdoor units.

-Easytest operation / Test operation can be carried out for both

indoor and outdoor units.

-Automaticsetting initialization function (Remote control and

Indoor unit) / Inaccordance with the indoor and outdoor units

connected and the connection methods, conditions such as the

connection configuration (twinor tripleformat) and remote-control

functions such as automaticlouvre operation and cooling or

heating mode are automaticallydetected and set instantly.

2.5. Wired Remote Control

-The new design includes an easily-visiblered pilot lamp. The

power can be turned on and off at asingletouch, without opening

the cover.

-Has abuilt-inthermistor, allowing indoor temperature detection in

accordance with indoor conditions byswitching with mainunit

thermistor.

-Twinnon-polar wires make installation work easy. (10 mcable

supplied as accessory.)

2.6. Wireless Remote Control

-New design with compact size. (Operation range within

approximately8m.)

-Built-intimer with ON/OFF timer setting (within24 hours)

Wired

Wireless

Heat Pump CZ-RD51P CZ-RL51P

Cooling

CZ-RD51P

CZ-RL01P

NOTE: Bothof the above remote control is packedseparatelyfromthe indoorunit.

2.7. Group Control Equipment

3. SPECIFICATION (HEAT PUMP TYPE )

3.1. CS-A24BB4P / CU-A24BBP5

ITEM / MODEL

IndoorUnit Outdoor

unit

MainBody CS-A24BB4P CU-

A24BBP5

Panel CZ-BT01P

Remote CZ-RD51P (Wired)

Control CZ-RL51P (Wireless)

Cooling Capacity kW 6.3

BTU/h 21,500

Heating Capacity kW 7.1

BTU/h 24,200

Refrigerant Charge-less m 30

StandardAirVolume forHigh,

m3/min Hi 17 Me 15 Lo 14 Hi 43

Mediumand LowSpeed cfm 600 530 494 1518

Outside Dimension (H x W x D) mm 240 x 840 x 840 900 x 900

inch 9-7/16 x 33-1/24 x 33-1/24 35-7/1 6 x 35-7/16

Net Weight kg 26 81

lbs 57 179

Piping

ConnectionRefrigerant Gas mm (inch) O.D 15.88 (5/8) FlaredType

Liquid mm (inch) O.D 6.35 (1/4) FlaredType

Drain mm O.D 20 I.D 20

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