Panasonic CW-C120VR Manuale utente

OrderNo. MAC0212096C3

Room AirConditioner

CW-C120VR

2003 Matsushita Industrial Corp. Sdn. Bhd. (11969-T). All rights

reserved. Unauthorizedcopying and distribution isaviolation of

law.

1. ProductSpecifications

Unit CW-C120VR

Phase Single

Voltage V 220 ~240

Frequency Hz 50

Cooling Capacity kW

Btu/h 3.55 ~3.60

12,100 ~12,300

Running Current A 6.3 ~6.4

Input Power W 1.32k ~1.41k

EER (W/W) 2.69 ~2.55

Btu/hW 9.2 ~8.7

Starting Current A 27

CompressorOutput W 950

FanMotorOutput W 46 ~57

Noise Level Indoor/ (High / Low) dB(A) 48 / 45 ~50 / 47

Outdoor

(High / Low) dB(A) 56 / 53 ~57 / 54

PowerdB 69

Moisture Removal L/h/ Pt/h 2.1 / 4.4

AirCirculation Indoor m3/min(ft3/min) 9.8 (350)

Outdoor m3/min(ft3/min) 16.0 (565)

Dimensions Height mm / (inches) 375 / (14-25/32)

Width mm / (inches) 560 / (22-1/16)

Depth mm / (inches) 606 / (23-7/8)

NetWeight kg/ lb 38 / 84

Gross Weight kg/ lb 41 / 90

Refrigerant (R-22) g/ oz 560 / 19.8

-Specificationsaresubject tochangewithoutnotice for further

improvement.

2. Dimensions

2.1. CW-C120VR

2.1.1. Top View, FrontViewand SideView

2.2. Unit

Item Unit: Inch(mm)

A-Width 22-1/16”(560)

B -Height 14-25/32”(375)

C -Depth 23-7/8”(606)

D 11-9/16”(294)

E 1-13/16”(46)

F11-3/32”(281.6)

G 11-3/32”(281.6)

3. Refrigeration CycleDiagram

Item Pressure (MPa) Temperature (°C)

A 1.82 ~2.02 66 ~81

B 1.72 ~1.92 36 ~46

C 0.51 ~0.57 6 ~11

D 0.48 ~0.54 9 ~16

4. Wiring Diagram

4.1. Resistance ofFanMotor windingsand theratedCapacitor

Model CW-C120VR

Connection CWA921145

Blue -Yellow 84.1

Yellow-Orange 55.6

Red-Yellow 118.3

Capacitor DS441305BPQH

(3 F, 440VAC)

4.2. Resistance ofCompressor windingsand theratedCapacitor

Model CW-C120VR

Connection 2KS206D5DA04

C-R 2.293

C-S 3.245

Capacitor DS371356CPNA

(35 F, 370VAC)

Note:Resistance at20°C of Ambient Temperature.

5. AirConditioner Performance Evaluation

Intake & Discharge Air

Temperature Difference Current Drain Determination Remedy

-8°C and over(14.4°F) -Asspecified. -Nothing wrong. -None.

-8°C and over(14.4°F) -Higherthan specified. -Nothing wrong, outdoor

temperatureistoo high, heat

radiation isnot efficient.

-Improveheat radiation.

-Under8°C (14.4°F) -Higherthan specified. -Something ispreventing heat

radiation. -Excessiveamount of

refrigerant.

-Improveheat radiation.

-Under8°C (14.4°F) -Lowerthan specified. -Leakageof refrigerant or

refrigerant systemisblocked. -Locate and repairleak.

-Flushrefrigeration cycle.

-Under8°C (14.4°F) -Higherthan specifiedby50%. -Compressordefect. -Replace the compressor.

Note:Room airhumidityis relativelyhigher, the temperature difference will be smaller.

6. Troubleshooting Guide

Warning: Disconnectunitfrom electrical powersupplybefore making anyelectrical checks.

Trouble Check Result Cause

Remedy

FanMotorand

Compressorwon’t

run.

-SupplyVoltage

-Fuse BoxorCircuit

Breaker.

-PowercordorWiring

Harness.

-TemperatureSetting.

-Less than 10%by

Rated.

-OpenContacts. /

-Pulledloose orShorted. /

-Higherthan room

temperature

-Temporaryor

Permanent?

-CustomerRestarted

unitimmediatelywithout

waiting 3minutes.

-Consult

ELECTRICIAN,

ifpermanent.

-WAITFOR 3

MINUTES.

-Repair

Open

-Repairor

Replace

-Set it

LOWER.

Fanmotorwon’t

run (Compressor

run).

-Objects around Fan.

-RESISTANCEbetween

Wires.

-CapacitorFanMotor.

-MainControl Switch.

-Locked Fan.

-Shorted / Opencircuit.

-OHMMeterdoesn’t

Deflect.

-Nocontacts at

Position Shown.

-FanHitting Cowling.

-Foreign Materials.

-FrozenBearings.

-Shorted orBurnedout.

-CapacitorDefect.

-MainControl Switch

defect.

-Adjust Fan

position

setting

screw.

-Remove

Foreign

Materials.

-Replace

Fan

-Replace

Fan

-Replace

Capacitor

-Replace

Main

Switch.

Trouble Check Result Cause

Remedy

Compressorwon’t

run (Fanrun). -Temperaturesetting.

-RESISTANCEbetween

Terminal and the

CompressorBody.

-RESISTANCEbetween

Terminals.

-OverloadProtector.

-CapacitorCompressor.

-Thermostat.

-MainControl Switch.

-Higherthan roomtemp.

-Shorted.

-Infinitybetween

Terminals.

-OHMMeterdoesn’t

deflect.

-Noclick heard.

-Nocontacts at

Position Shown.

-Winding Coil touched to

the compressorshell.

-RearShorted orBurnt

out.

-RearShorted orBurnt

out.

-OverloadProtector

defect.

-Capacitordefect.

-Thermostat defect.

-MainControl Switch

defect.

-Set itlower.

-Replace

Compressor.

-Replace

Compressor.

-Replace

Overload

Protector.

-Replace

Capacitor

Compressor.

-Replace

Thermostat.

-Replace

Main

Switch.

AirSwing won’trun -AirSwing Switch. -OFF position. -Set itON.

-Nocontact at position. -Opencircuit -Replace Air

Swing

Switch.

-Resistance between

wires. -OHMMeterdoesn’t

deflect. -Shorted oropencircuit. -Replace Air

Swing

Motor.

Insufficient cooling. -TemperatureSetting.

-Ventilation dooropen.

-Airfilterdirty.

-Location of installation.

-Evaporator/Condenser

Coil obstructed.

-Unitcapacityforthe

roomtoo small.

-Temperaturedifference

and running current.

-Higherthan room

temperature.

-Open.

-Cloggedordirty.

-Sunlight hitting outdoor

side.

-Obstacles.

-Cloggedordirty.

-Not satisfied.

-REFER TO

PERFORMANCE

EVALUATION.

-Reduces capacity.

-Restrictedair

circulation.

-RestrictedHeat

Exchanger.

-RestrictedHeat

Exchanger.

-Restrictedair

circulation.

-Leakageof refrigerant

orrefrigeration system

isblocked.

-Set itlower.

-Close

ventilation

-Cleanor

replace

Filter.

-Consider

building

AWNING.

-Remove

obstacles

reinstall unit.

-Cleanthe

coils.

-Replace the

unit

biggerone.

-Locate

repair

-Flush

refrigeration

cycle.

Noise -Source of Noise -Vibration.

-Intermittent Noise.

-Faultyinstallation.

-Fanhitting objects.

-Refrigerant tubing

touching eachother.

-Fansplashing Drain

Water.

-Reinstall

unit

Reinforce the

installation.

-Adjust Fan

position

remove

foreign

materials.

-About 1/2”

Clearance

needed.

-Remove

drain

mount a

drain

removethe

water.

-Set the

Drain

downward,

Drainwater

can

Waterdripping

inside room. -Unitinstallation.

-DrainTray-Styrofoam

pieces blocking drain

channel.

-Tilted to insideroom.

-Clogged.

-Restrictedrun off.

-Cloggedorblocked.

-Tiltunitto

outside

slightly.

-Removethe

foreign

materials.

Trouble Check Result Cause

Remedy

FrozenEvaporator -Temperaturesetting.

-AirFilter/Evaporator.

-Temperaturedifference

and running current.

-Set too low forambient

conditions.

-CloggedorDirty.

-REFER TO

PERFORMANCE

EVALUATION

-Outdoortemperature

low (Night time).

-Restrictedair

circulation.

-Leakageof refrigerant

orrefrigeration system

isblocked.

-Set the

Main

knob to Fan

and set the

Temperature

Control

higher

temperature.

-CleanAir

filter/

Evaporator.

-Locate and

repair

-Flush

refrigeration

cycle.

7. Operating Instructions

7.1. Parts Identification

7.1.1. MainUnit

7.1.1.1. Vertical AirflowDirection Vane

Airflowdirection adjustment up

-down.

-Thevertical airflow direction vaneis

controlledbyrotating the horizontal vane

forwardorbackward.

7.1.1.2. Ventilation Lever

The ventilation levermustbe in

the CLOSE position inorderto

maintainthe bestcooling

conditions.

Whenfreshairis necessaryin

the room, setthe ventilation

leverto the OPEN position. The

damperis openedand room air

is drawnout.

7.1.1.3. MainControl Panel

7.1.2. Operation Conditions

Use the airconditionerunderthe following conditions:

-Operating temperaturerange.

Indoorside Outdoorside

D.B.T. W.B.T. D.B.T. W.B.T.

Maxi

Temperature 32°C 23°C 43°C 26°C

Min

Temperature 21°C 15°C 21°C 15°C

D.B.T.:DryBulbTemperature

W.B.T.:Wet BulbTemperature

NOTE:Humiditymayexceed90%.

-Continuousoperation at over90%high humiditymaycreate

condensation and resultinwaterdropson theintake and outlet

vanes.

7.2. Howtooperate Fig. 1

1. Openthecontrol panel cover.

Fig. 2

2. PowerSupply

Switchoff thebreakerand set themaincontrol knob totheOFF

position beforeplugging thepowerplug intoanelectrical outlet.

Fig. 3

3. MainControl Knob

Set toLOWCOOLor HIGHCOOLas desired. (FANsetting

operates thefanonly.)

Caution:Ifthemaincontrol knob isturnedoff or changedtoafan

setting from acooling operation setting, WAITat lease 3minutes

beforeresetting tocooling operation.

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