Sharp AF-R100CX User manual

AF-R100CX

AF-R120CX

AIR CONDITIONER

S3203AFR12CX/

SERVICE MANUAL

Page

SPECIFICATIONS .................................................................................................................................................2

WIRING DIAGRAM................................................................................................................................................3

EXTERNAL DIMENSIONS ....................................................................................................................................3

OPERATION INSTRUCTIONS............................................................................................................................. 4

INSTALLATION INSTRUCTIONS ........................................................................................................................ 6

DISASSEMBLING PROCEDURE......................................................................................................................... 8

HOW TO REPAIR REFRIGERATION ................................................................................................................ 12

ELECTRICAL COMPONENT TEST ....................................................................................................................14

MICROCOMPUTER CONTROL SYSTEM ..........................................................................................................15

TROUBLESHOOTING GUIDE ............................................................................................................................19

COOLING LOAD ESTIMATE FORM ...................................................................................................................24

RUNNING CONDITION .......................................................................................................................................26

PACKING AND ACCESSORIES .........................................................................................................................27

REPLACEMENT PARTS LIST ............................................................................................................................28

TABLE OF CONTENTS

AF-R100CX

AF-R120CX

MODELS

SHARP CORPORATION This document has been published to be used for after

sales service only.

The contents are subject to change without notice.

In the interest of user-safety the air conditioner should be restored to

itsoriginalconditionandonlypartsidenticaltothosespecifiedshould

be used.

AF-R100CX

AF-R120CX

Models AF-R100CX AF-R120CX

Cooling capacity BTU/h 10000 12000

Moisture removal Pints/h 2.7 3.3

ELECTRICAL DATA

Phase Single

Rated frequency Hz 60

Rated voltage Volts 115

Rated current Amps 9.0 11.5

Rated input Watts 1000 1200

Power factor % 97 91

EER BTU/Wh 10.0 10.0

COMPRESSOR

Type (Hermetically sealed rotary type)

Model, Remarks 44R251AC-AJS, 840 W 44B124HX1EF, 1000W

REFRIGERANT SYSTEM

Evaporator Slit fin, Grooved tube, Ø 9.53 mm Hair pin

Condenser Louver fin,

Grooved

tube, 7mm Hair pin

Control O.D. x I.D. x Length x Q'ty(mm)

Capillary tube 2.7 x 1.4 x 400 x 1 Capillary tube 2.7 x 1.2 x 800 x 2

Refrigerant volume R-22(OZ) 18.3(Factory charged) 19.4(Factory charged)

NET DIMENSIONS

Width Height Depth

inches(mm)

22-1/16(560) x 14-3/4(375) x 24-5/16(617)

Net Weight lbs 83 85

GROSS DIMENSIONS

Width Height Depth

inches(mm)

25-25/32(655) x 18-29/32(480) x 27-7/8(708)

Gross Weight lbs 94 96

FAN SYSTEM

Indoor side(Evaporator) Centrifugal fan

Outdoor side(Condenser) Propeller fan

Air flow rate(indoor side) CFM (High/Med/Low) 304 / 254 / 223 (High/Med/Low) 318 / 254 / 219

OTHERS

Safety devices Compressor: Overload relay

Fan motor: Internal thermal protector

Air filter Polypropylene net

Power cord length ft 4.3

Power plug type 125V, 15A

ELECTRICAL PARTS

Running capacitor 250V-60µF 370V-50µF

Fan capacitor

250V-6µF x 2 250V-6µF x 2

Thermistor 15k at 78˚F

Fan motor ARS030ZUEA/SHP(MLA895) ARS030ZUEA/SHP(MLA895)

Overload relay MRA4789-9053 MRA98693-12007

SPECIFICATIONS

AF-R100CX

AF-R120CX

Figure W-1

WIRING DIAGRAM

EXTERNAL DIMENSIONS

24-5/16"

5-3/16"

14-3/4"

19/32" 1-3/8"

16-23/32"

22-1/16"

38-19/32"

27-5/32"

OVERLOAD

PROTECTOR

A.C

M.C

CONNECTOR

FAN MOTOR

CAPACITOR

250V 6µF x 2

FAN MOTOR

RUNNING

CAPACITOR

RUNNING CAPACITOR

AF-R100CX AF-R120CX

250V 60µF 370V 50µF

THERMAL

PROTECTOR

BLBK

GY RE OR

COMPRESSOR

MOTOR

: BLACK

: BLUE

: RED

: WHITE

: GREEN

: GRAY

: ORANGE

POWER SUPPLY CORD

115V 60Hz

3A 125V

GR MRY CONTROL

BOAD UNIT

CN1

CN2

CN3

OUT

RIBBED

NON RIBBED

BCN1

BCN2

BCN3

FU1

123654

WIRE COLOR

YELLOW TH1

RY3

RY2

RY1

CNR3

CNR2

CNR1

THERMISTOR

(ROOM TEMP)

DISPLAY

BOARD

UNIT

AF-R100CX

AF-R120CX

POWER

ON/OFF

POWER

ON/OFF

COOLING OPERATION

1. Touch POWER ON/OFF pad.

• The unit is preset at 74°F and HIGH

COOL. This will show in the display

when the power is first turned on.

2. To turn off the unit, touch POWER ON/

OFF pad again.

• POWER indicator and SELECTOR

indicator (HIGH COOL) will light.

• POWER indicator and SELECTOR

indicator will go off.

HOW TO OPERATE

OPERATION INSTRUCTIONS

SELECTOR indicator

Receiver window for remote control

signal

Display

SELECTOR pad

TIMER ON/OFF pad

TIMER indicator

UNIT

CONTROL PANEL

TEMPERATURE setting pad

----Lower temp.

----Raise temp.

ENERGY SAVER pad

ENERGY SAVER indicator

POWER ON/OFF pad

POWER indicator

Front panel

Air inlet (Indoor side)

Louvers

Air outlet (Indoor side)

Exhaust lever

Control panel

Cabinet

Air outlet (Outdoor side)

Air inlet (Outdoor side)

Filter (Pull the filter handle to the right to remove.)

Filter handle

Power cord

Procedure Pad Display / Indicator

HIGH COOL

MED COOL

LOW COOL

FAN ONLY

SELECTOR

ENERGY

SAVER

POWER

ON/OFF

TEMP

TIMER

ON/OFF

1 2 3

4 5 6 7 8 9

10 11

456

AF-R100CX

AF-R120CX

TEMP

---Lower temp.

---Raise temp.

TO CHANGE TEMPERATURE SETTING

• Display will change as you touch the

pad.

The latest temperature setting will be memorized and will appear on the display the next time the unit is

turned on.

NOTE:

In cases of power outages or when the unit is disconnected; when the power is restored or the unit is

plugged in, the unit and display will return to the preset conditions of 74°F and HIGH COOL. The unit will

not automatically turn back on. The user must touch POWER ON/OFF to resume operation.

TO CHANGE FAN SPEED

During cooling operation

Touch the TEMPERATURE setting pad to

adjust the temperature setting.

•It can be set within the range of

64°F to 86°F.

Procedure Pad Display / Indicator

SELECTOR

•SELECTOR indicator will

lightinorder as youtouch.

During operation

Touch SELECTOR pad and select

the desired fan speed.

HIGH COOL

MED COOL

LOW COOL

FAN ONLY

Procedure Pad Display / Indicator

LOW COOL

MED COOL

HIGH COOL

NOTES ON FAN SPEED

Fan and cooling at maximum performance.

Unit is preset to HIGH COOL when first turned on after unit is plugged in.

Fan operates at medium speed; cooling power at medium.

Cooling for sleeping comfort with low fan speed.

FAN ONLY OPERATION

This setting can be used to circulate air whenever cooling is not desired.

The fan will operate at medium speed.

SELECTOR

•SELECTOR indicator FAN ONLY will

light, and the temperature display will

gooff.After5seconds,thecompressor

will stop and the unit will operate in

FAN ONLY mode.

During operation

Touch SELECTOR pad and select FAN

ONLY.

Procedure Pad Display / Indicator

When the unit is turned off, the last fan speed will be stored in memory.

The next time the air conditioner is used, the memorized fan speed will start automatically.

AF-R100CX

AF-R120CX

ITEMS PACKED WITH THIS UNIT

No.

ENERGY

SAVER

ENERGY

SAVER

ENERGY SAVER

During normal operation, the thermostat automatically controls cooling and the fan runs continuously. When the

ENERGY SAVER is selected, the thermostat automatically controls cooling and the fan automatically stops when

the compressor is not operating. (Fan will stop 30 seconds after the compressor stops.)

NOTE: ENERGY SAVER cannot be set during FAN ONLY mode operation.

TO CHANGE AIR FLOW DIRECTION

Adjust the louvers to change the direction of air flow for uniform and efficient cooling of the room.

EXHAUST

If air in your room is stale, set the EXHAUST lever

totheOPENposition. Thiswillexhaust staleairto

the outside. The EXHAUST lever should normally

be kept in the CLOSED position during cooling for

maximum efficiency.

During cooling operation

1. Touch ENERGY SAVER pad.

2. To cancel, touch ENERGY SAVER pad

again.

Procedure Pad Display / Indicator

•ENERGY SAVER indicator will light.

•ENERGY SAVER indicator will go off.

Accessories Q'ty

Right closure assembly 1

Left closure assembly 1

Window sash foam seal 1

Window sash foam seal

(adhesive type) 1

Bottom gasket 1

Screws(L=1", 25.4mm) 8

Screws(L= 13/ 32", 10mm) 6

Remote control 1

Battery 2

Remote control hook 1

INSTALLATION INSTRUCTIONS

CLOSED OPEN

EXHAUST Lever

Vertical louvers

Adjusts LEFT/RIGHT air flow Horizontal louvers

Adjusts UP/DOWN air flow

AF-R100CX

AF-R120CX

SUGGESTED TOOLS

1. Screw driver (medium size Phillips)

2. Tape measure or ruler

3. Knife or scissors

INSTALLATION

These models can also be installed through the wall with

the optional through the wall mounting kit, model AZ-

80WK. To order this kit either contact your dealer or call

1-800-BE-SHARP.

Thewall opening dimensionsfor throughthe wallinstallation

are: 25" (635mm) (W) x 17 -1/ 4 " (438mm) to 17-3/ 4"

(451mm) (H) x 4" (102mm) minimum (D).

Complete instructions are included with the wall mounting

kit.

WARNING: Make sure the unit is turned off and

unplugged before working.

1-1. Cut the window sash foam seal (adhesive type) to the

proper length and attach it to the underside of the

window sash.

1-2. Attach the bottom gasket to the outer side of the

window sill.

2-1. Unscrewthe 2 screws at thecorners ofthe front panel.

Keep them as they will be used later.

2-2. Removethefront panel bypullingthefrontpanelat the

lower corners towards you about an inch.

Next lift it up and pull it towards you.

CAUTION: Take care not to damage the exhaust

lever when removing the front panel.

3-1. Unscrew the 6 stopper screws of the cabinet. Keep

the 4 screws from the top and front , as they will be

used later.

3-2. Slide the chassis out from the cabinet by pulling on the

hand hold located at the bottom center of the chassis.

bottom gasket

window sash foam seal

(adhesive type)

Front panel Exhaust Lever

Front

panel

Horizontal

Louver

Closure assembly

Cabinet

sill incline backwards about 1cm (3/8")

CAUTION Do not remove any material (ex.

styrofoam, etc.) from inside the unit.

4. Insert the right closure assembly and the left closure

assembly into the top angle and the bottom channels.

Secure the right and left closure to the cabinet with 6

of the provided screws. (L= 13/ 32 ", 10 mm)

5. Open the window sash and place the cabinet on the

sill. Close the window sash securely behind the top

angle.If there is space between the bottom channel

and the sill, fill the gap with a thin board or other hard

filler.

WARNING:

At this step, make sure the cabinet is inclined

approximately 1 cm (3/8”) to the back. If the cabinet is

not properly inclined, the water collected in the bottom

tray during operation will not drain properly and may

flowintothe roomwheretheairconditionerisinstalled.

AF-R100CX

AF-R120CX

DISASSEMBLING PROCEDURE

CAUTION: DISCONNECT THE ROOM AIR CONDITIONER FROM THE POWER SUPPLY BEFORE ANY SERVICE

1. Unscrewthetwoscrewsholdingthefrontpaneloneach

side.

6. Insert the closure assemblies on both sides into the

rails of the jamb.

7-1. Secure the cabinet to the window stool with 3 screws

(L=1",25.4mm),workingfromtheinsideofthecabinet.

7-2. Secure the top angle and the closure assemblies to

the window sash with 3 screws (L=1", 25.4 mm).

7-3. Secure the closure assemblies to the sill with 2 screws

(L=1", 25.4 mm).

8-1. Slide the chassis back into the cabinet.

8-2. Replace the 4 screws removed in step 3 to the top

and side of the cabinet .

Closure assembly

(Left)

Closure assembly

(Left)

1/2 inch

(13mm)

Jamb

(Left)

Sill

Stool

Top angle

9-1 Replacethefrontpanel. Slip theexhaustleverthrough

the opening between the horizontal louver and the

front panel then, hook the cabinet top.

CAUTION:Takecarenot to damage the exhaust leverwith

the front panel.

9-2. Screw the front cabinet on at the bottom corners with

2 screws removed in step 2.

10.Cut the window sash foam seal to the proper length

and seal the opening between the top of the inside

window sash and the outside window sash.

Horizontal

Louver

Front

Panel Exhaust Lever

2. Remove the front panel by pulling it at the lower corner

toward you about 1 inch and next lift up and pull it

toward you.

Window sash foam seal

AF-R100CX

AF-R120CX

3. Unscrew the four screws holding the cabinet.

Two screws are on top side.

Two screws are on each side.

4. Slide the chassis away from the cabinet by pulling on

each corner of the base pan.

5. Unscrew the four screws holding the control unit.

Two screws are on front side.

Two screws are on right side.

6. Unscrew the one screw holding the power supply cord.

7. Unscrew the one screw holding the wire holder.

Pull out thermistor holder.

8. Unscrew the one screw holding earth wire .

9. Cut the fixing band holding the wires.

10.Remove the control unit.

11.Unscrew the four screws holding control box cover.

Two are on the right side, one is on the left side, one is

on the back side.

CAUTION: DISCHARGE THEFAN MOTORCAPACITOR

AND RUNNING CAPACITOR BEFORE

TOUCHING THOSE CAPACITORS OR

OTHER COMPONENTS OR WIRING.

12.Detacheachterminalsoffanmotorsbyusinglong-nose

pliers.

AF-R100CX

AF-R120CX

14.Unscrew the five screws holding the connecting stay.

15.Unscrew the two screws holding the shroud cover.

16.Unscrew the six screws holding the condenser and

condenser shroud.

Two screws are on the back side.

Four screws are on the each side.

Unscrew the two screws holding the condenser cover .

13.Remove the putty and unfasten the one nut at the top of

compressor holding the terminal cover.

Then remove the wiring connector of the compressor

cord.

17.Remove the condenser by liftting up about 1 inch and

pull it toward you and move to right.

18.Unfasten the one nut holding propeller fan by rotating it

clockwise. And remove the propeller fan.

19.Unscrew the three screws holding condenser shroud.

Note: Seal three female screws with siliconsealer

before re-installing.

20.Unscrew the four screws holding the evaporator.

Two are on left side.

Two are on right side.

21.Remove the evaporator.

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