Sharp AF-R80CX User manual
1
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.
2
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
3
AF-R80CX
ELECTRICAL PARTS
Models
AF-R80
CX
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
GR
OVERLOAD
PROTECTOR
A.C
EARTH
M.C
CONNECTOR
HML
FAN MOTOR
CAPACITOR
250V 6µF
FAN MOTOR
RUNNING
CAPACITOR
250V 35µF
THERMAL
PROTECTOR
BL
BL
BLBK
BK
BK
GY RE OR WH
COMPRESSOR
MOTOR
BK
BL
RE
WH
GR
GY
OR
: BLACK
: BLUE
: RED
: WHITE
: GREEN
: GRAY
: ORANGE
POWER SUPPLY CORD
115V 60Hz
3A 125V
IN
GR MRY CONTROL
BOARD UNIT
NR C1
CN1
BCN2
BCN3
TR
OUT
RIBBED
NON RIBBED
BK
BK
C
R
RE WH
GY
BCN1
CN2
CN3
WH
OR
RE
GY
S
FU1
123654
WIRE COLOR
YELLOW TH1
RY3
RY2
RY1
CNR3
CNR2
CNR1
THERMISTOR
(ROOM TEMP)
8
7
1
3
5
DISPLAY
BOARD
UNIT
4
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.
5
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
F
hr
SELECTOR
TIMER
ON/OFF
ENERGY
SAVER
COOL / FAN TEMP
12
10
3
4 5 6 7 9
8
11
34567
8
9
10
11
1
2
OPERATION INSTRUCTIONS
6
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.
2
1
During cooling operation
COOLING OPERATION
TO CHANGETEMPERATURE SETTING
POWER
ON/OFF
F
hr
SELECTOR
TIMER
ON/OFF
ENERGY
SAVER
COOL / FAN TEMP
POWER
indicatorSELECTOR indicator
POWER ON/OFF pad
POWER
ON/OFF
F
hr
SELECTOR
TIMER
ON/OFF
ENERGY
SAVER
COOL / FAN TEMP
TEMPERATURE setting pad
7
AF-R80CX
POWER
ON/OFF
F
hr
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
COOL
COOL
FAN
FAN
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
8
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
1
Vertical louvers
Adjust LEFT/RIGHT air flow
Lever
Touch ENERGY SAVER pad.
•ENERGY SAVER indicator will light.
POWER
ON/OFF
F
hr
SELECTOR
TIMER
ON/OFF
ENERGY
SAVER
COOL / FAN TEMP
ENERGY SAVER indicator
ENERGY SAVER pad
9
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
F
hr
SELECTOR
TIMER
ON/OFF
ENERGY
SAVER
COOL / FAN TEMP
SELECTOR indicator
TIMER ON/OFF pad
TIMER indicator
10
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
F
hr
SELECTOR
TIMER
ON/OFF
ENERGY
SAVER
COOL / FAN TEMP
TIMER ON/OFF pad
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