Panasonic CW-XC100VK Manuale utente

1 Functions 2

2 Product Specifications 4

3 Dimensions 5

4 Refrigeration Cycle Diagram 6

5 Block Diagram 6

6 Wiring Diagram 7

7 Air Conditioner Performance Evaluation 7

8 Troubleshooting Guide 8

9 Operation Details 10

10 Operating Instructions 13

and distribution is a violation of law.

CW-XC100VK

CW-XC120VK

11 Installation Instructions 18

12 Care and Maintenance 22

13 Servicing Information 23

14 Technical Data 25

15 Electronic Circuit / Main 26

16 Electronic Circuit / Indicator Complete 27

17 Electronic Circuit Diagram 28

18 Exploded View 31

19 Replacement Part List 32

Room Air Conditioner

CONTENTS

Page Page

Order No. MAC0208039C1

1 Functions

1.1. Remote Control

CW-XC100VK / CW-XC120VK

1.2. Main Unit

CW-XC100VK / CW-XC120VK

2 Product Specifications

Unit CW-XC100VK CW-XC120VK

Phase ØSingle Single

Voltage V115 115

Frequency hZ 60 60

Cooling Capacity kW

Btu/h

2.93

10,000

3.37

11,500

Running Current A8.7 9.8

Input Power W0.98k 1.12k

EER (w/w)

Btu/h

- -

10.2 10.2

Starting Current A35 48

Compressor Output W0.70K 0.75k

Fan Motor Output W54 54

Noise Level Indoor

(High / Low)

db(A) 50 / 46 51 / 47

Outdoor

(High / Low)

db(A) 57 / 54 58 / 55

Moisture Removal L/h

Pt/h

1.2

2.5

1.4

3.0

Air Circulation Indoor m3/min (ft3/min) 9.1 (320) 9.3 (330)

Outdoor m3/min (ft3/min) 14.7 (520) 14.7 (520)

Dimensions Height mm

inches

375

(14-25/32)

375

(14-25/32)

Width mm

inches

560

(22-1/16)

560

(22-1/16)

Depth mm

inches

606

(23-7/8)

606

(23-7/8)

Net Weight kg

Gross Weight kg

Refrigerant (R-22) g

450

15.9

550

19.4

• Specifications are subject to change without notice for further improvement.

CW-XC100VK / CW-XC120VK

3 Dimensions

3.1. Top View, Front View and Side View

3.2. Unit

Item Unit: Inch (mm)

A - Width 22-1/16”(560)

B - Height 14-25/32”(375)

C - Depth 23-7/8”(606)

D11-9/16”(294)

E1-13/16”(46)

F11-3/32”(281.6)

G11-3/32”(281.6)

CW-XC100VK / CW-XC120VK

4.1. CW-XC100VK

Item Pressure (MPa) Temperature (°C)

Lower Upper Lower Upper

A1.85 2.05 61 76

B1.82 2.02 36 46

C0.59 0.65 914

D0.57 0.63 10 17

Note: Indoor temperature at 27°C (DB), 19°C (WB) and Outdoor at

35°C (DB), 24°C (WB) for Cooling.

4.2. CW-XC120VK

Item Pressure (MPa) Temperature (°C)

Lower Upper Lower Upper

A1.90 2.10 64 80

B1.87 2.07 36 46

C0.57 0.63 713

D0.53 0.59 915

Note: Indoor temperature at 27°C (DB), 19°C (WB) and Outdoor at

35°C (DB), 24°C (WB) for Cooling.

4 Refrigeration Cycle Diagram

5 Block Diagram

CW-XC100VK / CW-XC120VK

6 Wiring Diagram

6.1. Resistance of Fan Motor

windings and the rated

Capacitor

Model CW-XC100VK CW-XC120VK

Connection CWA951216 CWA951215

Blue - Yellow 34.6 Ω34.8 Ω

Yellow - Brown 2.3 Ω2.5 Ω

Brown - Orange 13.7 Ω14.8 Ω

Red -Yellow 36.6 Ω37.6 Ω

6.2. Resistance of Compressor

windings and the rated

Capacitor

Model CW-XC100VK CW-XC120VK

Connection CWB09623 CWB09624

C-R 0.690 Ω0.724 Ω

C-S 2.429 Ω2.168 Ω

Capacitor CWA312066 (40µF,

250VAC)

CWA312067 (45µ,

250VAC)

Note: Resistance at 20°C of Ambient Temperature.

7 Air Conditioner Performance Evaluation

Suction & Discharge Air

Temperature Difference

Current Determination Remedy

• 8°C and over (14.4°F) • As specified. • Nothing wrong. • None.

• 8°C and over (14.4°F) • Higher than specified. • Nothing wrong, outdoor

temperature is too high, heat

radiation is not efficient.

• Improve heat radiation.

• Under 8°C (14.4°F) • Higher than specified. • Something is preventing heat

radiation.

• Excessive amount of refrigerant.

• Improve heat radiation.

• Under 8°C (14.4°F) • Lower than specified. • Leakage of refrigerant or

refrigerant system is blocked.

• Locate and repair leak.

• Flush refrigeration cycle.

• Under 8°C (14.4°F) • Higher than specified by

50%.

• Compressor defect. • Replace the compressor.

Note: Room air humidity is relatively higher, the temperature difference will be smaller.

CW-XC100VK / CW-XC120VK

8 Troubleshooting Guide

Warning: Disconnect unit from electrical power supply before making any electrical checks.

Trouble Check Result Causes Remedy

Fan Motor and Compressor

won’t run.

• Supply Voltage

• Fuse Box or Circuit

Breaker.

• Power cord or Wiring

Harness.

• Temperature Setting.

• Less than 10% by

Rated.

• Open Contacts.

• Pulled loose or Shorted.

• Higher than room

temperature

• Temporary or

Permanent?

• Customer Restarted

unit immediately without

waiting 3 minutes.

• Consult ELECTRICIAN,

if permanent.

• WAIT FOR 3

MINUTES.

• Repair Open Circuit.

• Repair or Replace it.

• Set it LOWER.

Fan motor won’trun

(Compressor run).

• Objects around Fan.

• RESISTANCE between

Wires.

• Capacitor Fan Motor.

• Locked Fan.

• Shorted / Open circuit.

• OHM Meter doesn’t

Deflect.

• Fan Hitting Cowling.

• Foreign Materials.

• Frozen Bearings.

• Shorted or Burned out.

• Capacitor Defect.

• Adjust Fan position

setting screw.

• Remove Foreign

Materials.

• Replace Fan Motor.

• Replace Capacitor Fan.

Compressor won’t run (Fan

run).

• Temperature setting.

• RESISTANCE between

Terminal and the

Compressor Body.

• RESISTANCE between

Terminals.

• Overload Protector.

• Capacitor Compressor.

• Thermostat.

• Higher than room temp.

• Shorted.

• Infinity between

Terminals.

• OHM Meter doesn’t

deflect.

• No click heard.

• Winding Coil touched to

the compressor shell.

• Rear Shorted or Burnt

out.

• Rear Shorted or Burnt

out.

• Overload Protector

defect.

• Capacitor defect.

• Thermostat defect.

• Set it lower.

• Replace Compressor.

• Replace Overload

Protector.

• Replace Capacitor

Compressor.

• Replace Thermostat.

Air Swing won’trun • Air Swing Switch. • OFF position. • Set it ON.

• No contact at position. • Open circuit • Replace Air Swing

Switch.

• Resistance between

wires.

• OHM Meter doesn’t

deflect.

• Shorted or open circuit. • Replace Air Swing

Motor.

CW-XC100VK / CW-XC120VK

Trouble Check Result Causes Remedy

Insufficient cooling. • Temperature Setting.

• Ventilation door open.

• Air filter dirty.

• Location of installation.

• Evaporator/Condenser

Coil obstructed.

• Unit capacity for the

room too small.

• Temperature difference

and running current.

• Higher than room

temperature.

• Open.

• Clogged or dirty.

• Sunlight hitting outdoor

side.

• Obstacles.

• Clogged or dirty.

• Not satisfied.

• REFER TO

PERFORMANCE

EVALUATION.

• Reduces capacity.

• Restricted air

circulation.

• Restricted Heat

Exchanger.

• Restricted Heat

Exchanger.

• Restricted air

circulation.

• Leakage of refrigerant

or refrigeration system

is blocked.

• Set it lower.

• Close ventilation door.

• Clean or replace Air

Filter.

• Consider building an

AWNING.

• Remove obstacles or

reinstall unit.

• Clean the coils.

• Replace the unit with

bigger one.

• Locate repair leak.

• Flush refrigeration

cycle.

Noise • Source of Noise • Vibration.

• Intermittent Noise.

• Faulty installation.

• Fan hitting objects.

• Refrigerant tubing

touching each other.

• Fan splashing Drain

Water.

• Reinstall unit or

Reinforce the

installation.

• Adjust Fan position or

remove foreign

materials.

• About 1/2”Clearance

needed.

• Remove drain plug and

mount a drain pan to

remove the water.

• Set the Drain outlet

downward, so that the

Drain water can run off.

Water dripping inside room. • Unit installation.

• Drain Tray-Styrofoam

pieces blocking drain

channel.

• Tilted to inside room.

• Clogged.

• Restricted run off.

• Clogged or blocked.

• Tilt unit to outside

slightly.

• Remove the foreign

materials.

Frozen Evaporator • Temperature setting.

• Air Filter/Evaporator.

• Temperature difference

and running current.

• Set too low for ambient

conditions.

• Clogged or Dirty.

• REFER TO

PERFORMANCE

EVALUATION

• Outdoor temperature

low (Night time).

• Restricted air

circulation.

• Leakage of refrigerant

or refrigeration system

is blocked.

• Set the Main Control

knob to Fan to melt ice

and set the

Temperature Control to

higher temperature.

• Clean Air

filter/Evaporator.

• Locate and repair leak.

• Flush refrigeration

cycle.

CW-XC100VK / CW-XC120VK

9 Operation Details

9.1. Fan Mode Operation

• Fan operation only. Fan in operation according to Remote Control or Main Unit (Touch Control Panel) setting.

9.1.1. Manual Setting of Fan Speed

• Basic Fan Speed can be manually adjusted (Lo or Hi) by using the Fan Speed Selection Button/Pad at Remote Control or Main

Unit (Touch Control Panel).

9.2. Cooling Mode Operation

• Cooling in operation according to Remote Control or Main Unit (Touch Control Panel) setting.

9.2.1. Time Delay Safety Control (3 minute)

• When the compressor is stopped by Operation Switch at the Remote Control or Main Unit (Touch Control Panel), it restart after

3 minutes when the Operation Switch at the Remote Control or Main Unit (Touch Control Panel) is turned ON.

• When the setting temperature is reached during cooling operation, the compressor stops and it will not start for 3 minutes.

• Protection of compressor to balance the pressure in the refrigeration cycle for 3 minutes.

9.2.2. 7 minutes Time Saved Control

• The compressor will start automatically if it has stopped for 7 minutes even if the room temperature is between the compressor

ON temperature and OFF temperature.

9.2.3. Starting Current Control

• When the compressor and fan motor are simultaneously started, the fan motor will operate 1.6 seconds later.

9.2.4. Freeze Prevention Control

If the temperature of the indoor heat exchanger falls

continuously below 10°C for 3 minutes or more, the

compressor turns off to protect the heat exchanger from

freezing. The fan speed setting remains the same.

Compressor restarts when the heat exchanger temperature

rises to 12°C (Recovery).

*3 minutes waiting of Time Delay Safety Control is valid for

Cooling Operation.

9.2.5. Compressor Reverse Rotation Protection Control

• If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and heat

exchanger is 2.5°C or less for 2 minutes, compressor will stop and restart automatically (Time Delay Safety Control is valid).

CW-XC100VK / CW-XC120VK

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