Sharp AF-R80CX User manual

AF-R80CX

S3206AFR08CX/

SERVICE MANUAL

Page

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

EXTERNAL DIMENSIONS ................................................................................................................................... 4

OPERATION INSTRUCTUINS ............................................................................................................................. 5

INSTALLATIOIN INSTRUCTIONS ......................................................................................................................14

DISASSEMBLING PROCEDURE....................................................................................................................... 16

HOW TO REPAIR REFRIGERATION .................................................................................................................19

ELECTRICAL COMPONENT TEST ....................................................................................................................21

MICROCOMPUTER CONTROL SYSTEM ..........................................................................................................22

TROUBLESHOOTING GUIDE ............................................................................................................................26

COOLING LOAD ESTIMATE FORM ...................................................................................................................31

RUNNING CONDITION .......................................................................................................................................33

PACKING AND ACCESSORIES .........................................................................................................................34

REPLACEMENT PARTS LIST ............................................................................................................................35

TABLE OF CONTENTS

AIR CONDITIONER

MODEL

Intheinterestsofuser-safety(Requiredbysafetyregulationsinsome

countries)thesetshouldberestoredtoitsoriginalconditionandonly

parts identical to those specified should be used.

AF-R80CX

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

sales service only.

The contents are subject to change without notice.

AF-R80CX

SPECIFICATIONS

Models AF-R80CX

Cooling capacity BTU/h 8000

Moisture removal Pints/h 2.3

ELECTRICAL DATA

Phase Single

Rared frequency Hz 60

Rated voltage Volts 115

Rated current Amps 7.3

Rated input Watts 800

Power factor % 95

EER BTU/Wh 10.0

COMPRESSOR

Type (Hermetically sealed rotary type)

Model, Motor output

2R12S3R126A-6A, 600W

REFRIGERANT SYSTEM

Evaporator Louver fin, Grooved tube, 7mm, Hair pin

Condenser Louver fin, Grooved tube, 7mm, Hair pin

Control O.D. x I.D. x Length x Q'ty(mm) 2.7 x 1.2 x 450 x 1

(Capillary tube)

Refrigerant volume R-22(OZ) 15.9

(Factory change)

NET DIMENSIONS

Width Height Depth

inches(mm)

19-11/16(500) x 14-9/16(370) x 17-3/32(434)

Net Weight lbs 53

GROSS DIMENSIONS

Width Height Depth

inches(mm)

22-27/32(580) x 18-5/16(465) x 19-31/32(507)

Gross Weight lbs 60

FAN SYSTEM

Indoor side(Evaporator) Centrifugal fan

Outdoor side(Condenser) Propeller fan

Air flow rate(indoor side) CFM High / Med / Low

187 / 173 / 155

OTHERS

Safety devices Compressor: Overload relay

Fan motor: Internal thermal protector

Air filter Polypropylene net

Power cord length ft 6.0

Power plug type 125V, 10A

AF-R80CX

ELECTRICAL PARTS

Models

AF-R80

Running capacitor 250V-35µF

Fan capacitor 250V-6µF

Thermistor 15kΩat 78˚F

Fan motor OBM-2508K1 (MLB003)

Overload relay MRA98706

WIRING DIAGRAM

Figure W-1

OVERLOAD

PROTECTOR

A.C

EARTH

M.C

CONNECTOR

HML

FAN MOTOR

CAPACITOR

250V 6µF

FAN MOTOR

RUNNING

CAPACITOR

250V 35µF

THERMAL

PROTECTOR

BLBK

GY RE OR WH

COMPRESSOR

MOTOR

: BLACK

: BLUE

: RED

: WHITE

: GREEN

: GRAY

: ORANGE

POWER SUPPLY CORD

115V 60Hz

3A 125V

GR MRY CONTROL

BOARD UNIT

NR C1

CN1

BCN2

BCN3

OUT

RIBBED

NON RIBBED

RE WH

BCN1

CN2

CN3

FU1

123654

WIRE COLOR

YELLOW TH1

RY3

RY2

RY1

CNR3

CNR2

CNR1

THERMISTOR

(ROOM TEMP)

DISPLAY

BOARD

UNIT

AF-R80CX

EXTERNAL DIMENSIONS

19-11/16"

35-7/16" (full opened)

23-5/8" (full closed)

17-3/32"

13-5/8"

1-15/32"

15-11/16"

4-15/32"

Fig. E-1.

AF-R80CX

PARTS NAMES

UNIT

CONTROL PANEL

1Front Cabinet

2Air Inlet (Indoor Side)

3Horizontal Louvers

4Vertical Louvers

5Air Outlet (Indoor Side)

6Control Panel

7Rear Cabinet

8Air Inlet (Outdoor side)

9Filter (Pull the filter handle

to the right to remove.)

0Filter Handle

qPower Cord

1Receiver window for remote control signal

2Display

3SELECTOR indicator

4SELECTOR pad

5TEMPERATURE setting pad

----Lower temp. ----Raise temp.

6TIMER ON/OFF pad

7TIMER indicator

8ENERGY SAVER pad

9ENERGY SAVER indicator

0POWER ON/OFF pad

qPOWER indicator

POWER

ON/OFF

SELECTOR

TIMER

ON/OFF

ENERGY

SAVER

COOL / FAN TEMP

4 5 6 7 9

34567

OPERATION INSTRUCTIONS

AF-R80CX

NOTE:

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

the unit is turned on.

•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 opertion.

---Lower temp.

---Raise temp.

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.

•POWER indicator and SELECTOR

indicator (COOL) will light.

Toturnofftheunit,touchPOWER

ON/OFF pad again.

•POWER indicator and SELECTOR

indicator will go off.

Touch the TEMPERATURE setting pad to

adjust the temperature setting.

•Temperature can be set within the range

of 64°F to 86°F.

•Display will change as you touch

the pad.

During cooling operation

COOLING OPERATION

TO CHANGETEMPERATURE SETTING

POWER

ON/OFF

SELECTOR

TIMER

ON/OFF

ENERGY

SAVER

COOL / FAN TEMP

POWER

indicatorSELECTOR indicator

POWER ON/OFF pad

POWER

ON/OFF

SELECTOR

TIMER

ON/OFF

ENERGY

SAVER

COOL / FAN TEMP

TEMPERATURE setting pad

AF-R80CX

POWER

ON/OFF

SELECTOR

TIMER

ON/OFF

ENERGY

SAVER

COOL / FAN TEMP

SELECTOR indicator

SELECTOR pad

TO CHANGE FAN SPEED AND OPERATION MODE

During operation

TouchSELECTORpadandselectthe

operation mode and fan speed.

•SELECTORindicatoranddisplaywilllight

in order as you touch.

NOTES ON OPERATION MODE:

SELECTOR DISPLAY

HIGH COOL

MED COOL

LOW COOL

HIGH FAN

MED FAN

LOW FAN

•The latest operation mode will be memorized and the selector indicator and display will light

when the unit is turned on.

•In fan only operation, the temperature display will go off.

•When the SELECTOR is changed to fan only operation from cooling operation, it will take 5

seconds for the compressor to stop.

COOL

FAN

MODE

Cooling operation with high fan speed.

Cooling operation with medium fan speed.

Cooling operation with low fan speed.

Fan only operation with high fan speed.

Fan only operation with medium fan speed.

Fan only operation with low fan speed.

HIGH COOL MED COOL

MED FANLOW FAN

LOW COOL

HIGH FAN

AF-R80CX

ENERGY SAVER

TO CHANGE AIR FLOW DIRECTION

Horizontal louvers

Adjust UP/DOWN air flow

The horizontal louvers are used to adjust the UP / DOWN direction of air flow, and the vertical

louvers are used to adjust the LEFT / RIGHT direction of air flow for uniform and efficient

cooling of the room.

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. After the fan stops, the fan is programmed to rotate for

approx. 2 minutes to detect room temperature. This will occur within a 20 min time span.)

2Tocancel,touchENERGYSAVER

pad again.

•ENERGY SAVER indicator will go

off.

NOTE: ENERGY SAVER cannot be set during fan only (HIGH FAN, MED FAN, LOW FAN)

operation.

During cooling operation

Vertical louvers

Adjust LEFT/RIGHT air flow

Lever

Touch ENERGY SAVER pad.

•ENERGY SAVER indicator will light.

POWER

ON/OFF

SELECTOR

TIMER

ON/OFF

ENERGY

SAVER

COOL / FAN TEMP

ENERGY SAVER indicator

ENERGY SAVER pad

AF-R80CX

ONTIMER OPERATION

(If you wish to start the operation

6 hours and 30 minutes later, set

the delay time as shown above.)

1TouchtheTIMER ON/OFF padtosetthedelayed

start time.

•Thetimesettingwillchangeasyoutouchthe

pad. The display will change as follows;

•The timer will be set, 5 seconds after the

TIMER ON/OFF pad is touched for the last

time.

•SELECTOR indicator and TIMER indicator

will light.

•The time display will count down the

remaining time.

•The unit will start when the set time expires.

The temperature setting will be displayed.

•This unit has a built-in timer that can be programmed to start the unit up to 12 hours in advance.

You can set the timer to start in increments of 30 minutes (0.5 hours) up to 9.5 hours in advance

of the start time, or in 1 hour increments from 10 to 12 hours in advance of the start time.

•The unit will start automatically according to your setting.

NOTES FOR TIMER SETTING AND OPERATION:

•Aftersetting the TIMER, change the temperature and fanspeedsettingsasshownonpages11

and12. When the temperatureissetinthetimermode, the temperaturewillshowinthedisplay

for 5 seconds and then return to the time display.

•The last setting used will be memorized and will appear on the display the next time you

operate the unit with the TIMER function.

•If a power failure occurs while the ON or OFF TIMER is set, the TIMER memory will be cancelled

and will not resume even after power is reinstated. The unit will not automatically start.

•OFF TIMER OPERATION can also be set with the REMOTE CONTROL.

When the unit is not operating

TO CANCEL THE TIMER SETTING

Touch the TIMER ON/OFF pad again after the

timer is set, or press the TIMER ON/OFF pad

until CL(cancel) appears on the display.

0.5h 1.0h 1.5h 10h

Preset(0.5h)

Previous setting

11h12h

CL(cancel)

POWER

ON/OFF

SELECTOR

TIMER

ON/OFF

ENERGY

SAVER

COOL / FAN TEMP

SELECTOR indicator

TIMER ON/OFF pad

TIMER indicator

AF-R80CX

OFFTIMER OPERATION

•Thisunit has a built-intimer that can beprogrammedto shut theunitoff up to12hours in advance.

You can set the timer to stop in increments of 30 minutes (0.5 hours) up to 9.5 hours in advance

of the stop time, or in 1 hour increments from 10 to 12 hours in advance of the stop time.

•The unit will stop automatically according to your setting.

1TouchtheTIMER ON/OFF padtosetthe delayed

stop time.

•Thetimesettingwillchangeasyoutouchthe

pad. The display will change as follows;

•The timer will be set, 5 seconds after the

TIMER ON/OFF pad is touched for the last

time.

•TIMER indicator will light.

•The time display will count down the

remaining time.

•The unit will stop when the set time expires.

All indicators and displays will go out.

(If you wish to stop the operation

10 hours later, set the delay time

as shown above.)

TO CANCEL THE TIMER SETTING

Touch the TIMER ON/OFF pad again after the

timeris set or, press the TIMER ON/OFF paduntil

CL(cancel) appears on the display.

When the unit is operating

0.5h 1.0h 1.5h 10h

Preset(0.5h)

Previous setting

11h12h

CL(cancel)

TIMER indicator

POWER

ON/OFF

SELECTOR

TIMER

ON/OFF

ENERGY

SAVER

COOL / FAN TEMP

TIMER ON/OFF pad

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