Panasonic CW-XC103VU User manual

OrderNo. MAC0108052C1

Room AirConditioner

CW-XC103VU/ CW-XC123VU

SPECIFICATIONS

Specification

Model CW-XC103VU CW-XC123VU

Phase Single Single

Voltage 115 V 115 V

Frequency 60 Hz 60 Hz

Cooling Capacity 2.93 kW

10,000 Btu/h 3.37 kW

11,500 Btu/h

Running Current 8.7A 9.8A

InputPower 0.98 kW 1.12 kW

EER 10.2Btu/W.h 10.2Btu/W.h

Starting Current 35 A 48 A

CompressorOutput 700 W 750 W

Fan MotorOutput 45 W 45 W

Noise Level Indoor(High / Low):

50 / 46 dB(A)

Outdoor(High / Low):

57 / 54 dB(A)

Indoor(High / Low):

51 / 47 dB(A)

Outdoor(High / Low):

58 / 55 dB(A)

Moisture Removal 1.2Ltr/h

2.5Pint/h 1.4Ltr/h

3.0Pint/h

AirCirculation 9.1m3/min.

320 Ft3/min.

9.3m3/min.

330 Ft3/min.

Model CW-XC103VU CW-XC123VU

Dimensions Height:375 mm

(14-25/32 inches)

Width:560 mm

(22-1/16 inches)

Depth:606 mm

(23-27/32 inches)

Height:375 mm

(14-25/32 inches)

Width:560 mm

(22-1/16 inches)

Depth:606 mm

(23-27/32 inches)

NetWeight 35 kg

77 Ib 35 kg

77 Ib

Gross Weight 39 kg

86 Ib 39 kg

86 Ib

Refrigerant(R-22) 450 g

15.9oz 950 g

19.4oz

Note:Specificationsare subjectto changewithoutnotice forfurther improvement.

2002 Matsushita Industrial Corp. Sdn. Bhd. (11969-T). All rights

reserved. Unauthorizedcopying and distribution isaviolation of

law.

1. Functions

1.1. Remote Control

1.2. MainUnit

2. Dimensions

2.1. CW-XC103VU/ CW-XC123VU/

2.1.1. Top View, FrontViewand SideView.

Item Unit: Inch(mm)

A-Width 22-1/16”(560)

B -Height 14-25/32”(375)

C -Depth 23-27/32”(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

3.1. CW-XC103VU/ CW-XC123VU/

3.2. CW-XC103VU

Item Pressure (PSI) Temperature (°F)

A278.47 ~285.72 150 ~158

B 274.12 ~281.37 97 ~105

C 84.02 ~94.27 50 ~58

D 81.22 ~88.47 51 ~59

Note:Indoortemperature at80°F(DB), 67°F(WB)and Outdoorat95°F(DB), 75°F(WB).

3.3. CW-XC123VU

Item Pressure (PSI) Temperature (°F)

A285.72 ~292.98 156 ~164

B 281.37 ~288.63 100 ~108

C 82.67 ~89.92 46 ~54

D 76.87 ~84.12 50 ~58

Note:Indoortemperature at80°F(DB), 67°F(WB)and Outdoorat95°F(DB), 75°F(WB).

4. Block Diagram

4.1. CW-XC103VU/ CW-XC123VU/

5. Wiring Diagram

5.1. CW-XC103VU/ CW-XC123VU/

5.2. Resistance ofFanMotor windingsand theratedCapacitor.

Model CW-XC103VU & CW-

XC123VU

Connection CWA951177

Blue -Yellow 36.7

Yellow-Brown 6.91

Brown-Orange 7.69

Red-Yellow 36.0

Capacitor CWA981062

(10 F, 230VAC)

5.3. Resistance ofCompressor windingsand theratedCapacitor.

Model CW-XC103VU CW-XC123VU

Connection 2P17C3R126B-SA 2P15C3R126B-SA

C-R 0.690 0.724

C-S 2.429 2.168

Capacitor F0GAF406A001

(45 F, 250VAC)

Note:Resistance at68°Fof Ambient Temperature.

6. AirConditioner Performance Evaluation

Suction & Discharge

AirTemperature

Difference

Current 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.

7. Troubleshooting Guide

Warning: Disconnectunitfrom electrical powersupplybefore making anyelectrical checks.

Trouble Check Result Cause Remedy

FanMotorand

Compressor

won’trun.

-SupplyVoltage

-Fuse BoxorCircuit

Breaker.

-PowercordorWiring

Harness.

-Temp. Setting.

-Less than 10%byRated.

-OpenContacts.

-Pulledloose orShorted.

-Higherthan ROOMTEMP.

-CustomerRestarted unit

immediatelywithout waiting 3

minutes.

-Consult

ELECTRICIAN,

-RepairOpenCircuit.

-WAITFOR 3

MINUTES.

-RepairorReplace it.

-Set itLOWER.

FanMotorwon’t

run. -Objects around Fan.

-RESISTANCEbetween

Wires.

-CapacitorFanMotor.

-LockedFan.

-Shorted/ Opencircuit.

-OHMMeterdoesn’t

Deflect.

-FanHitting Cowling or

-Foreign Materials.

-FrozenBearings.

-Shorted orBurnedout.

-CapacitorDefect.

-Adjust Fanposition

setting

screw.

-RemoveForeign

Materials.

-Replace FanMotor.

-Replace Capacitor

Fan

Compressor

won’trun (Fan

Runs).

-Temp. setting.

-RESISTANCEbetween

Terminal and the

CompressorBody.

-RESISTANCEbetween

Terminals.

-CapacitorCompressor.

-OverloadProtector.

-Higherthan room

temperature.

-Shorted.

-OHMMeterdoesn’t

deflect.

-Infinitybetween

Terminals.

-Winding Coil touched to the

Body.

-RareShorted orBurnt out.

-Capacitordefect.

-OverloadProtectordefect.

-Set itlower.

-Replace

Compressor.

-Replace

Compressor.

-Replace Capacitor

Compressor.

-Replace Overload

Protector.

Insufficient

cooling. -Temp. Setting.

-Ventilation Dooropen.

-Airfilterdirty.

-Location of installation.

-Evaporator/Condenser

Coil obstructed.

-Unitcapacityforthe

roomtoo small.

-Tempdifference and

running current.

-Higherthan room

temperature.

-Open

-Cloggedordirty.

-Sunlight hitting outdoor

side.

-Obstacles.

-Cloggedordirty.

-Not satisfied.

-REFER PERFORMANCE

EVALUATION.

-Reduce capacity.

-Restrictedaircirculation.

-RestrictedHeat Exchanger.

-Restrictedaircirculation

-Leakageof refrigerant or

refrigeration systemisblocked.

-Set itlower.

-Close Vent door.

-CleanorReplace

Air

-Considerbuilding

-Removeobstacles

unit.

-Cleanusing steam

cleaner.

-Replace the unit

with

one.

-Locate repairleak.

-Flushrefrigeration

cycle.

Trouble Check Result Cause Remedy

Noise. -Source of Noise -Vibration.

-Intermittent Noise.

-Faultyinstallation.

-Fanhitting objects.

-Refrigerant tubing touching

eachother.

-Fansplashing DrainWater.

-Reinstall unitor

Reinforce

installation.

-Adjust Fanposition

foreign materials.

-About 1/2”

Clearance

-Removedrainplug

and

adrainpanto

remove

-Set the Drainoutlet

downward,

sothat the Drain

water

off.

Waterdripping

inside room. -Unitinstallation.

-DrainTray-

STYROFOAMpieces

blocking DrainChannel.

-Tilted to insideroom.

-Clogged.

-Restrictedrun off.

-Cloggedorblocked.

-Tiltunitto outside

slightly.

-Removethe foreign

materials.

8. Operation Details

8.1. FanModeOperation

-Fanoperation only. Faninoperation according toRemote Control

or MainUnit(TouchControl Panel)setting.

8.1.1. Manual Setting ofFanSpeed

-BasicFanSpeedcanbemanuallyadjusted(Lo, Medor Hi)by

using theFanSpeedSelection Button/Padat Remote Control or

MainUnit(TouchControl Panel).

8.2. Cooling ModeOperation

-Cooling inoperation according toRemote Control or MainUnit

(TouchControl Panel)setting.

8.2.1. Time DelaySafetyControl (3 minute)

-Whenthecompressor isstoppedbyOperation Switchat the

Remote Control or MainUnit(TouchControl Panel), itrestartafter

3minutes whentheOperation Switchat theRemote Control or

MainUnit(TouchControl Panel)isturnedON.

-Whenthesetting temperatureisreachedduring cooling operation,

thecompressor stopsand itwill notstartfor 3minutes.

-Protection ofcompressor tobalance thepressureinthe

refrigeration cyclefor 3minutes.

8.2.2. 7minutes Time SavedControl

-Thecompressor will startautomaticallyifithas stoppedfor 7

minutes eveniftheroom temperatureisbetweenthecompressor

ONtemperatureand OFF temperature.

8.2.3. Starting CurrentControl

-Whenthecompressor and fanmotor aresimultaneouslystarted,

thefanmotor will operate 1.6secondslater.

8.2.4. FreezePrevention Control

-Ifthetemperatureoftheindoor heat exchangerfallscontinuously

below34°Ffor 3minutes or more, thecompressor turnsoff to

protect theheat exchangerfrom freezing. Thefanspeedsetting

remainsthesame.

-Compressor restarts whentheheat exchangertemperaturerises

to54°F(Recovery).

*3minutes waiting ofTimeDelaySafetyControl isvalidfor

Cooling Operation.

8.2.5. Compressor Reverse Rotation Protection Control

-Ifthecompressor isoperating continuouslyfor 5minutes or

longerand thetemperaturedifference betweenintake airand heat

exchangeris4.5°For less for 2minutes, compressor will stop and

restartautomatically(TimeDelaySafetyControl isvalid).

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