Manual: AYX075E SM SHARP ENINDOOR UNIT
AU-X075E/X095E AE-X075E/X095E
In the interests of user-safety (Required by safety regulations in some
countries) the set should be restored to its original condition and only parts identical to those specified should be used.
TABLE OF CONTENTS
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SHARP CORPORATION
OUTDOOR UNIT | INDOOR UNIT | OUTDOOR UNIT AH-XO95E AU-X095E
[Cooling capacity sss | KW Cd 10.9-26) = ss CSCCC*ds«2.8(.)- 2.9) [Moisture removal ssf Liters f8 (C(t: OC“‘“CSCOC*C*#*#C#C#C*C‘*dC
= V141X1-S12E3
Refrigerant system| Evaporator Grooved tube type
Condenser orrugate Fin and Grooved tube type
Control apillary tube
37-34 Page [Ratedinput || Cool |W __—|_ 800
% 99 - 99 Hermetically sealed rotary type
wo
oO
fe)
iil
wo
g & Noise level | Hign [opa) = [35 Cid Cl (Cd CC (at cooling) | Med. | oea) fst CK t—“‘<‘i CK
dB(A) 28 f= rc (te Cid Fan system
irect drive
Airflow quantity | High | mymin. [e727 (atcooling) = |_Med. | mymin, 49
tow [mimin [aa ii[- Sd 4a SSCSC~id SCS Fan Cross flow fan Cross flow fan
Connections
Refrigerant pipe sets No. AZ-24H5E; 5m(16.4ft), AZ-24H7E; 7m(23ft)
Drain piping mm(Inches) O.D @ 18(45/64)
Others
Fan motors: Thermal fuse
Fuse, Micro computer control
Net dimensions
Depth 183(7-7/32)__| 260(9-27/82) | 183(7-7/82)__——| 250(9-27/32)__ | g 8 28 8 28
Note: The condition of star ( % ) marked item are ‘IEC 378’.
AH-X075E/X095E AU-X075E/X095E AY-X075E/X095E AE-X075E/X095E
AY-X075E AE-X075E AY-X095E AE-X095E
Heatpump 3.2(0.9 - 3.6) 3.4(0.9 - 4.0)
Heating Capacity
yDi|U 8 |e 8 \2 @®
=> @O 2 c ® 8 ” 5 Qa ®
BNE se) Rated voltage range 198 to 264
Rated voltage
Compressor Hermetically sealed rotary type
370cc (SUNISO 4GSD) Refrigerant system| Evaporator Bare tube type
orrugate Fin and Grooved tube type
apillary tube 9 670g
Noise level High
(at cooling) dB(A)
Grooved tube type
R1O|O [o)
nO ! Low
Fan system
Direct drive
Airflow quantity | High [mimin. [67 [aaa st 0st (at cooling, [ Med. | mimi. [49 [- 83
tow [mymin [43 [- fe Fan Cross flow fan Propeller fan Cross flow fan Propeller fan
Connections
Refrigerant pipe sets No. AZ-24H5E; 5m(16.4ft), AZ-24H7E; 7m(23ft)
Drain piping mm(Iinches) O.D @ 18(45/64)
rf r Compressor: Thermal protector Compressor: Thermal protector
Fan motors: Thermal fuse
Fuse, Micro computer control
Net dimensions [Width [mm | 750(29-17/92) | 698(27-18/32) | 750(29-17/32) | 698(27-18/32)_| F Height [mm | 270(10-5/8)__—| 30(20-7/8) | 270(10-6/8) | 530(20-7/8) | Depth [mm | 183(7-7/32) __—|250(9-27/82)
Netweigh Cg SS —CiC‘i CCl Note: The condition of star( % ) marked item are ‘IEC 378’. 3
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WIRING DIAGRAMS
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Tindoorfanmotor CP MLAABGC«| 220-240V,50Hz | AH [indoor fanmotorcapacitor ss [- ABOV UF
Lc a Secondary; AC14.6V, 50Hz
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Outdoor fan motor ML-A485 220 - 240V, 50Hz | AUC
QFS-AA040JBE0(10A, 250V)
QFS-AA046JBE0(3A, 250V)
Outdoor fan motor capacitor f- | 48 0V, 1.5 F AU
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For Model AY-X075E/X095E and AE-A075E/X095E
220 - 240V, 50Hz [indoor fanmotorcapacitor ss [- SCi« AO TAY
. Secondary; AC14.6V, 50Hz
[Fue s—“‘“‘SNS (= UU CI 250V,2.5A 3-PHASE Induction motor 220 - 240V, 50Hz | AE
| Outdoorfanmotorcapacitor = ss [- C48 OV, 1.5 Tweet? —“—*‘“~*S*™*~*~CCCCCS SCS QFS-AA047JBEO(13A,250V) | AE | PWPE2.—itis‘“‘“‘“SNCOC(~ CCC QFS-AA040JBE0(10A, 250V) PWPES | AE QFS-AA046JBE0(3A, 250V)
AH-X075E/X095E +\U-XO7SE/XO95E ‘AY-XO75E/X005E AE-X075E/X095E
25A
Fan motor phase control circuit
Rotation pulse input circuit Fan motor pulse detect
AC clock circuit
ht ea Flow direction control Louvre motor drive circuit (louvre motor)
Remote controller signal Wireless remote control reception circuit operation
Room temp. detect circuit
Compensation circuit/ Blower temperature, select circuit fan speed, model select
Compensation circuit Outdoor ratings
Switchover circuit Wireless, preheat
Serial I/O circuit Indoor/outdoor control signal I/O
ik ae Outdoor unit power supply ee Compressor relay drive circuit on/off control sigrials)
LED drive circuit LED display
Auto restart circuit (option)
Fe Test run circuit Ea Test run (forced operation) el
Auxiliary mode Auxiliary mode button ON/OFF
Self diagnostics, ae fault diagnosis
Power on circuit 9
AH-X075E/X095E AU-X07S5E/X095E AY-X075E/X095E AE-X075E/X09S5E
13A Nee
clout (out ” Smoothing |_| Active filter|_| Fitter | Por Pen circuit circuit circuit wiring (
into IPM) power and serial signals)
CPU oscillator circuit
Outdoor fan relay drive Outdoor fan ] z circuit i
4-way valve relay drive 4-way valve (except for circuit the AU-X095E/X075E)
Power transistor module Power Be A drive circuit a transistor
CPU Serial /O circuit
circuit
Heat exchanger pipe Heat exchanger pipe thermo circuit thermistor
Heat exchanger pipe — - thermistor(option)
thermistor(option)
LED drive circuit
Test mode circuit
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AH-XO7SE/KO9SE AU-XO7TSE/X09SE AY-XO7SE/XO9SE AE-X075E/X095E
TO 4 POLES FROM FROM4POCLES TO4POLES TERMINAL TERMINAL TERMINAL TERMINAL FROM BOARD "2" BOARD "L" BOARD "7" BOARD "N“ FAN MOTOR
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AH-XO7SE/XO95E AU-XO7SE/XO95E AY-X07S5E/X095E AE-X075E/X09SE
TO 4 POLES FROM FROM 4POLES TO4POLES TERMINAL TERMINAL TERMINAL TERMINAL FROM BOARD" 2” BOARD "L" BOARD " i“ BOARD “N" FAN MOTOR
FROM FAN MOTOR
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Figure L-9 Printed Wiring Board for AE-X075E
FROM THERMISTOR )
TERMINAL TERMINAL TERMINAL TERMINAL
\ | |
19
= =
| ° & = =
(OPTION) FROM WINTER KIT
mn VALVE a2 Ci"+"
ELECTROLYTIC CAPACITOR C1
= O om i
FROM THERMISTOR ’ OPTION) FROM WINTER KI ( (
TO POWER TRANSISTOR MODULE PM1i CN2
FROM POWER MODULE PMi "=" TRANSISTOR
AH-X075E/X09SE AU-X075E/X095E AY-X075E/X095E AE-X075E/X095E
1. INDOOR UNIT 1-1 Temperature Adjustment
a. Normal control Proportional control (P control) When the temperature zone changes, this control changes the frequency by one rank to move closer to the set value.
integral control (I control) When the temperature zone has set time in the same zone, this control changes the frequency by one rank to move closer to the set value. (Excluding the h zone.)
+133
+1.00
-1.00
Initial control The initial frequency is determined as shown in the tables below based on the difference between the temperature adjustment setting at the beginning of operation and the room temperature. After operation begins, normal control is performed and therefore the correspondences in the tables below will not hold.
[Seating Frequency Frewery
ak Code Code zone
ze a ae 7 ee ee Te aa a fo | 3 | Pht 2 | i ied [ i | OFF |
Room Frequency
c. Temperature adjustment The temperature adjustment range is changed by changing the operating mode with the operation switch.
(1) Heating If the room temperature is in the z zone when operation begins, proportional/integral control is not performed, and the machine runs at frequency code c full power until the h zone is reached. When the h zone is reached, the frequency changes to the frequency code determined by fuzzy calculation, and after that proportional/integral control is performed.
(2) Cooling If the room temperature is in the c zone when operation begins,proportional/integral control is not performed, and the machine runs at fiequency code 9 power until the h zone is reached. When the h zone is reached, the frequency changes to the frequency code determined by fuzzy cafculation, and after thatproportional/integral control is performed.
(3) Dry After operation begins, 2 minutes (running at the h zone) of the room temperature is stored in memory, and that becomes the set value.
(4) Circulation The frequency code 0 is sent to the outdoor machine, and only the fan of the indoor machine runs, the compressor does not run.
U-XO75E/X095E
This control uses the thermistor for the indoor heat COOLING
exchanger to control cold air blowing prevention, the Fan speed : High / Med / Low
indoor fan, and overheating prevention. fr
Differential
ol ------ ee eee
prevention line
5 fim
oe
(1) Control for indoor overheating prevention If the temperature of the indoor heat exchanger exceeds the overheating prevention line during heating due to the operating frequency or the nature of the operation, this contro! lowers the frequency by 4 to 15 Hz. When the temperature goes below the overheating prevention line sixty seconds later, normal operation is restored. os
Operating Overheating prevention line (°C)
frequency | Over 50 Hz| 50 to 43 Hz | 43 to 37 Hz|Below 37 Hz During normal
Saas eee ©
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1 ' I
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8 2
12
(2) Control for indoor freezing prevention [ie If the temperature of the indoor heat exchanger 3 stays below approximately 0°C for four minutes B ; during cooling or dry, this control stops the a6
compressor. Over 2°C the compressor will run Bs again. 3
2
(3) Control for cold air blowing prevention oe When heating begins, this control stops the indoor fan until the temperature of the indoor heat exchanger reaches 26°C. It also stops the fan if the temperature goes below 23°C during operation.
(4) Indoor fan and operating frequency 7 The indoor fan has 12 speeds, and changing is [io done in four stages, "Auto", "High", "Med", and "Low". The relations between the indoor fan speed, 3 7 air quantity setting, operating frequency, and indoor g 6 heat exchanger are shown in the following charts. a
4
1
OFF
Operating frequency code
1-3 Hot keep : If the room temperature is in the j or k zone during
heating, the compressor is turned on and off to prevent overheating.
Fs [amin on-8min of [Same as Compressor | After "3 min. on - 3 min.off"
is repeated 4 times, the compressor goes off, and only the fan continues to repeat “3 min. on - 8
min.off”.
3 min. on - 8 min. off
The fan goes off 30 seconds after the compressor goes off.
1-4 Automatic operation The operating mode and temperature setting are determined by the room temperature and the external air temperature.
MR Extemal air temperature (°C)
0 10 18 31 34
Cooling
(24°C) | (23°C) | (22°C) (26°C) (27°C)
-2°C 21 eS)
Heald stun 3% The external air temperature is determined by (oy erate detecting the temperature of the outdoor heat
exchanger.
23
The ON-timer is set by pressing the ON-timer button. In order to attain the set temperature at the set time, the operation starting time is corrected by neuro and fuzzy computing one hour before the set time.
1-6 OFF-timer The OFF-timer is set by pressing the OFF-timer button. Operation is as follows:
ae Set temperature Cooling By fuzzy computing Heating Set the shift up time
( Cooling setting + ng Final \ Heating setting - 3°C
Dry Same as above (Final setting + 1°C)
*During Heating
Stops Timer operation starts
1-7 Swing louvre The louvre is moved by a stepping motor to perform swing and fixing in the set position. If the "FLOW DIRECTION" button is prossed during swing, it will stop. If the "FLOW DIRECTION" button is prossed while it is stopped, it will swing.
1-8 Restart control Once the compressor stops, this contro! prevents it from starting again for 3 minutes. It also prevents starting for 20 seconds immediately following plugging into the power outlet.
*-XO75E/X00SE =X075E/X09SE
1-9
1-10
1-12
1-13
One-hour operation If this button is pressed when operation is stopped, operation will begin and then stop after 1 hour. {f pressed when it is operating, will stop after one hour.
Full power operation Immediately begins cooling or heating at maximum power and air flow. Full power stops after 1 hour. (During heating) Operates at setting of 32°C. (During cooling) Operates at setting of 18°C.
Preheat When heating is stopped, supplies a small amount of power to the compressor to make heating start more quickly. Operates when the indoor temperature sensor and external air sensor detect that the room temperature and outdoor heat exchange temperature are low (below 18°C and 10°C, respectively). Stops when the compressor chamber temperature rises above 30°C. Preheat does not operate for 2 hours after heating is stopped. After that, it goes on for 165 minutes and then stops for 15 minutes, repeatedly.
Atleast | 165 [15 120 min | min jmin
Sod eh del ea
Air conditioner OFF
Power ON start lfa STON wire is inserted into the place indicated
[power ONjon the indoor control board, and the power plug is inserted. cooling or heating will be
automatically determined by the room temperature sensor on the main unit, and operation will begin. Compressor relay RY6
24
(1) It is ON during operation, and when operation is
(2)
(3 —
stopped, goes OFF after a delay of 150 seconds (not immediately). The minimum OFF time of the relay is 30 seconds.
Air conditioner ON operation OFF
Compressor oN
relay | OFF
ri 150 sec.
it will not go ON again before 30 seconds elapses. lf air conditioner operation is turned on again during
ON Air conditioner ON
LJ OFF Compressor relay
150 sec. 30 sec.
the 150 second delay before the compressor relay goes off, the compressor relay will stay on.
Air conditioner _ON ON operation OFF | |
ON | Compressor OOOO relay
AU-X075E/X095E are not provided with the heating function.
2. OUTDOOR UNIT 2-1 Defrost operation (1) Overview
Defrosting begins during heating if the conditions for compressor operation time and outdoor heat exchanger temperature are met. When defrosting begins, the indoor and outdoor fans stop. Defrosting stops when the temperature of the outdoor heat exchanger goes above approximately 10°C or defrosting time exceeds 13 minutes.
Defrost Defrost Defrost
Heating begins | | | |
Defrosting Defrosting os Max. 13 min. Max. 13 min.
(2) Detrosting conditions The temperature of the outdoor heat exchanger is detected by a sensor, and if it stays in the preset defrost zone for approximately 2 minutes, defrosting start is enabled. If defrosting is enabled when the defrost mask time ends, defrosting is performed. If defrosting is not enabled, the machine waits until defrosting is enabled. Defrost mask times and defrost zones are as shown below.
defrosting time mask time
—
The defrosting zone is an outdoor heat exchanger temperature of under approximately -4°C.
3.01050 min._| 40min. 5.0t07.0min. [| 80min. _| 7.0%09.0 min. | 25min. | Over 9.0 min.
(3) During defrosting When defrosting begins, the compressor stops. Approximately 3 minutes later, the compressor reactivates in the refrigeration cycle, and the outdoor heat exchanger is defrosted. Each mode is as follows: The outdoor fan is stopped The operating frequency is as shown in the table below The indoor fan is stopped
AE-XO95E, AU-X095E | 95Hz | AE-X075E, AU-X075E
—
2-2 Frequency control (1) AC current peak control
This control lowers the compressor frequency if the AC current exceeds the set values. If the current is below the set
values, the compressor frequency will not be raised above that frequency, as the maximum frequency, for 1 minute.
AE-X095E, AU-X095E During heating Approximately 7.0 A
' AE-X075E, AU-X075E During cooling Approximately 6.5 A
(2) Control for prevention of indoor heat exchanger overheating
(3 —
lf the temperature of the indoor heat exchanger exceeds the overheating prevention line during heating due to the
operating frequency or the nature of the operation, the frequency is lowered by approximately 5 to 10 Hz. After that, the
frequency is lowered by approximately 5 to 10 Hz once every 60 seconds. When the temperature of the indoor heat
exchanger goes below the overheating prevention line, the frequency is raised by approximately 5 Hz once every 60
seconds, and normal operation is restored.
If the frequency is lowered to 35 Hz without the temperature of the indoor heat exchanger decreasing and this condition
lasts for 1 minute, the compressor will be stopped.
; Overheating prevention line Operating frequency
Above 50 Hz 50 to 43 Hz 43 to 37 Hz Below 37 Hz
Control for prevention of outdoor heat exchanger overheating
if the temperature of the outdoor heat exchanger exceeds approximately 57°C during cooling, the operating frequency
is lowered by approximately 5 to 15 Hz. After that, the frequency is lowered by approximately 5 to 10 Hz once every 60
seconds. When the temperature of the outdoor heat exchanger goes below approximately 55°C, the frequency is raised
by approximately 5 Hz once every 60 seconds, and normal operation is restored.
If the frequency is lowered to 35 Hz without the temperature of the outdoor heat exchanger decreasing and this
condition lasts for 1 minute, the compressor will be stopped.
(4) Control for prevention of discharge overheating
If the discharge temperature exceeds approximately 105°C during compressor operation, the operating frequency is
lowered by approximately 5 Hz. After that, the frequency is lowered by approximately 5 Hz once every 60 seconds.
When the temperature of the outdoor heat exchanger goes below approximately 104°C, the frequency is raised by
approximately 5 Hz once every 60 seconds, and normal operation is restored.
If the frequency is lowered to 35 Hz without the discharge temperature decreasing and this condition lasts for 1 minute,
the compressor will be stopped.
(5) Control for prevention of indoor heat exchanger freezing
If the temperature of the indoor heat exchanger goes below approximately 5°C during cooling, the operating frequency
is lowered by approximately 5 Hz. After that, the frequency is lowered by approximately 5 Hz once every 60 seconds.
When the temperature of the indoor heat exchanger rises above approximately 5°C, the frequency is raised by
approximately 5 Hz once every 60 seconds, and normal operation is restored.
If the temperature of the indoor heat exchanger goes down to approximately 0°C and this condition continues for 4
minutes, the compressor is stopped. When the temperature rises above approximately 2°C, normal operation is
restored.
26
2-3 Overcurrent protection (1) Compressor lock detection
if the set value (3.0 A) of AC current is exceeded at 19 to 23 Hz when operation begins, operation is stopped. In this
case, the compressor outdoor fan does not stop, and 170 seconds after operation is stopped, another try will be made.
Three retries are allowed. On the fourth retry, a complete stop request signal is sent to the indoor unit, and the outdoor
unit will remain stopped until reset is performed. At this time, the 3-minute delay for control of the outdoor unit will not
function; therefore, do not cancel by removing the plug and cutting the power.
DC overcurrent detection, AC overcurrent detection
To protect against overcurrent due to sudden changes in load, the compressor is stopped if the set value 30 A DC is
exceeded in the DC section, or the set value 8.5 A AC is exceeded in the AC section. in this case, the outdoor fan does
not stop, and 170 seconds after operation is stopped, another try will be made. Three retries are allowed. On the fourth
retry, a complete stop request signal is sent to the indoor unit, and the outdoor unit will remain stopped until reset is
performed. At this time, the 3-minute delay for control of the outdoor unit will not function; therefore, do not cancel by
removing the plug and cutting the power.
(2 ——
2-4 Compressor protector control If the temperature of the compressor chamber exceeds 114°C, the compressor is stopped. In this case, the outdoor fan
does not stop, and when the compressor chamber temperature decreases to 100°C three minutes after operation is
stopped, another try will be made. Three retries are allowed. On the fourth retry, a complete stop request signal is sent
to the indoor unit, and the outdoor unit will remain stopped until reset is performed. At this time, the 3-minute delay for
contro! of the outdoor unit will not function; therefore, do not cancel by removing the plug and cutting the power.
2-5 Power transistor module protector
If the temperature of the chips in the power transistor module exceeds 105 °C, the compressor is stopped. In this case,
the outdoor fan does not stop, and when the temperature of the chips in the power transistor module decreases to 105
°C 170 seconds seconds after operation is stopped, another try will be made. Three retries are allowed. On the fourth
retry, a complete stop request signal is sent to the indoor unit, and the outdoor unit will remain stopped until reset is
performed. At this time, the 3-minute delay for control of the outdoor unit will not function; therefore, do not cancel by
removing the plug and cutting the power.
2-6 Power factor module If a voltage error (over 400 V), current error (over 17 A), or temperature error (over 90°C) is detected in the power factor
module, 170 seconds the compressor is stopped. In this case, the outdoor fan does not stop, and 170 seconds after
operation is stopped, another try will be made. Three retries are allowed. On the fourth retry, a complete stop request
signal is sent to the indoor unit, and the outdoor unit will remain stopped until reset is performed. At this time, the 3-
minute delay for control of the outdoor unit will not function; therefore, do not cancel by removing the plug and cutting
the power.
2-7 Serial signals (1) Serial signals consist of all 96-bit signals.
(2) If the outdoor unit does not receive a serial signal, it will stop approximately 30 seconds later. Note that this is true only
of normal operation; in test mode, it does not stop and operation takes place based on the test mode commands.
2-8 Four-way rotary valve
The four-way rotary valve will not switch when there is a large difference in refrigerant pressure. To make the four-way
rotary valve switch normally, switching is delayed by approximately 3 minutes and the refrigerant pressure difference
is decreased first. Also, the temperature of the indoor heat exchanger at the time of compressor activation and the
temperature 150 minutes after activation are compared, and it is determined whether or not they are suitable for the
opera mode at that time. If they are not suitable, a four-way rotary valve error results and the compressor is
stopped.
27
Operation Self diagnostic display
Description Detection Restart Restart Outdoor time condition times
Indoor fan Stops operation if no revolution pulse When indoor Operation OFF Yes
lock signal is input from the indoor fan motor for} fan is revolving
one minute.
rpm error signal from the indoor fan indicates low
rpm (approximately 300 rpm or less).
Indoor Lowers the operating frequency if the During cooling | Automatically
freezing temperature of the indoor heat exchanger | and dry restarts when the
exchange temperature rises
restarts when the
exchange
temperature goes
Lowers the operating frequency if the During heating temperature of the indoor heat exchanger rises above the overheating temperature |} during heating. Stops the compressor if the temperature stays above the overheating
temperature for 1 minute at 35 Hz or less. Set values for overheating temperature
During normal operation: 51°C to 54°C During full power operation: 54°C to
§7°C
below the overheating temperature.
Stops the compressor if a current of approximately 30 A or more flows in the
power transistor module. Also stops the compressor if the temperature of the power transistor module is exceeds 105°C.
During
DC overcurrent
AC overcurrent
Compressor lock
Lowers the operating frequency if the
compressor AC current exceeds 7 A(X095E) or 6.5A(X075E). Stops the compressor if the current exceeds 7 A at 40 Hz or less. Stops the compressor if the compressor AC current exceeds 8.5 A(X095E) or 6.5A(X075E).
Automatically
Immediately
after
compressor
activation.
Stops the compressor if the compressor
AC current exceeds 3 A immediately after activating the compressor (at 19 to 23 Hz).
Automatically restarts after safety
Description Detection Restart Restart time condition times
Lowers the operating frequency if the During Automatically temperature of the compressor chamber | compressor restarts after safety thermistor (TH1) rises above 105°C. operation time (170 seconds) Stops the compressor if the thermistor stays above 110°C for 4 minutes, or 1 minute at 35 Hz or less.
Compressor overheating control
chamber thermistor is above 114°C. (Or when TH1 shorts)
Automatically restarts when
Outdoor overheating
control
Lowers the operating frequency if the temperature of the outdoor heat exchanger rises above 57°C during cooling. Stops the compressor if the temperature stays above
57°C for 4 minutes, or 1 minute at 35 Hz or less.
During compressor operation
Stops the compressor if an outdoor thermistor (excluding TH1) shorts.
Automatically
When compressor is activated
open
Stops the compressor if the circuit of an outdoor thermistor breaks.
Automatically
Stops the compressor if if the operating
frequency is above 85 Hz and the compressor current is below 1.0 A.
During
restarts after safety time (170 seconds)
Turns the compressor relay off if the indoor unit does not receive a serial signal from the outdoor unit for 8 minutes.
Serial signal error
reception of serial signal
Stops the compressor if the outdoor unit does not receive a serial signal from the indoor unit for 30 seconds.
2 minutes and
after
compressor
activation
When the rise and fall in the detected temperature of the outdoor heat exchanger thermistor (TH2) do not agree with the operating cycle.
Does not restart Four-way
During compressor operation
: :
BREAK DOWN DIAGNOSIS PROCEDURE Self-diagnostic procedure using dispiay mode If the timer larnp blinks during operation, the problem can be diagnosed using the following table.
To run a diagnosis, stop operamove controller and then hold down ae "AUX" button for at least 5 sec.
Overheat of the compressor error
(protector operating) or outdoor compressor
AH-X07SE/X095E AH-XO7SE/X09SE AU-X07SE/X095E AU-X075E/X095E AY-XO7S5E/X095E AY-X075E/X095E AE-X075E/X09SE AE-X07SE/X095E
@ : Blinks at 2-second intervals O x : OFF
1. Is the discharge outlet of the outdoor unit clogged ? 2. Is the power supply voltage at least 198 V at full power operation ? 3. Check for refrigerant leaks at the tubing connections. 4. Measure the resistance of compressor thermistor TH1 on the
:ON © : Blinks 3 times at 0.2-second intervals
1. Apply an external shock to the compressor.
2. Replace the compressor.
1. Clear the discharge outlet. 2. Assure power supply voltage. 3. Refill to rated amount. 4. Replace the outdoor thermistor
x x x
x x
completely stopped indoor unit Outdoor unit operating
thermistor TH1 short outdoor unit (see Figure 2). assembly. 5. Measure the resistance of heat exchanger pipe thermistor TH2 on the |5. Replace the indoor control board
indoor unit (see Figure 1). assembly or only TH2.
O PAs <oanee 3times | DC overcurrent error 1. Check the circuit in the Power transistor module: 1. Replace power transistor module 2. Is the outdoor fan revolving ?
Beka 4times | Short circuit of the thermistor | 1. Measure the resistance of thermistor TH2 on the outdoor unit 1. Replace the outdoor thermistor error (see Figure 2). assembly.
x x O x O © Stimes | Open circuit of the thermistor | 1. Are the connectors of the outdoor unit thermistors well attached 7 1. Reattach. error 2. Measure the resistance of thermistors TH1 and TH2 on the outdoor 2. Replace the outdoor thermistor
unit (see Figure 2). assembly.
© 6times | AC abnormal current error 1. Can voltage be detected at the current transformer on the outdoor unit | 1. Replace the outdoor contro! board control board? assembly.
(Current transformer wire break.)
1. Is the discharge outlet of the outdoor unit clogged ? 1. Clear the discharge outlet.
indoor unit (see Figure 1). 2. Does the four-way valve relay operate properly ? 3. Does the four-way valve operate properly 7
1. a the fan motor locked ? 2. Is the wiring connector firmly fitted ? 3. Is the speed signal applied to the motor ?
Indoor fan out of order
1. Replace the indoor control board assembly or only TH2.
2. Replace the outdoor control board assembly.
3. Replace the four-way valve.
1. Reones fan motor 2. Reattach. 3. Replace the inddor control board
assembl
CO [Serial shor 7. Check the wirng between uni. [© _____|Serial open | 1. Check the wiring between units.
Outdoor power supply does't | 1. Check the wiring between units. turn on. 2. Check the fuse in the outdoor unit. Wiring mistake. 3. Indoor control board.
4. Outdoor control board.
Note: 1. Hold down the "AUX" button for 5 sec. when operation is stopped to read the self-diagnostic memory. Normal : Only the timer lamp blinks. Error : Displayed by blinking of run lamp (above table).
2. If the power plug is removed from the outlet or the breaker is switched to "OFF", the self-diagnostic memory will be erased. 3. Example of outdoor unit LED 1 blinking : 1
CN time
6 0. Isec..! sec | sec. | sec. |sec. |sec. | sec. | sec. [sec. |sec.
2 times
Figure 1 Temperature properties of indoor thermistors
Ka
TH2-1 Heat exchange TH3-4 | Orange
To measure the resistance, first remove the soldering as shown at right.
80 ~
60
Heat exchange thennistor TH2 (orange) 25°C resistance 15 KN
Resistance 40 4
20 ~ 25°C resistance 10 KO
o- T T mats T T “10 oO 10 20 30 40
cna?
Tester
. 1 1 |sec. | sec. | sec. | sec. | sec. | sec. lsec. | sec. | sec. | sec. | sec. | sec. |sec. |sec.
Figure 2 Temperature properties of outdoor thermistors TH2 heat exchange thennistor
sistance (1) TH1 compressor thermistor a 20K
8 x | 10K:
Themnistor To measure the 100K No. | Connector | Color :
ressor resistance, first
-20 0 20 60 80 100 120 oe from the
—— Temperature (°C) Heat exchanger|
1. Rewire. 2. Replace the fuse, replace the
outdoor board assembly. 3. Replace the board 4. Replace the board
Cautions when attaching or removing the board
¢Use radio pliers to remove and insert the choke coil. Be careful not to cut your hand on the shield.
When operating only the outdoor unit (cooling 40 Hz fixed mode) To make only the outdoor unit run in cooling mode, short the places marked with arrows below with an adaptor, ‘and apply a voltage of 220 - 240 V AC to 1 and N on the terminal board. (Avoid operating the outdoor unit alone for long periods of time.)
Adaptor 5 Adaptor
| Pin no. 59 _|
Ove Low input a wo High input Outdoor control board —__
32
nas ae Eee» Relative Humidity (%)
nal coupling es Flare coupling Cooling 27 ee ee ee ee ee ee
Temperature at each part and pressure in 3-way valve
AH-X075E AH-X095E
Operation Cool
Pho 80 «|= sete | r ®t @ | se | «oc | a SM DE
7
Le cet aif ODE ADEs esa) 2 SOD SED |i
Outdoor unit Capillary tube
j |
33 . 34
Standard conditions:
AY-X075E / AY-X095E
AY-X075E
@ 3-way valve pressure 4.4
(kg/cm2 G)
@ 0.0 5.7
rer AY-X095E
reel
.?) © zz > 4 - c S ® iS) iw N iS) —_ mn 3 |r ro)
35
Cooling capacity(kW)
PERFORMANCE CURVES
NOTE: 1) Indoor fan speed: Hi 2) Vertical adjustment louver "45°", Horizontal adjustment louver “front”
3) Indoor air temp. : Colling 27°C
(Running frequency: 68HZ)
Outside air temp.("C)
Outlet air temp.(°C)
ph >
o
Cooling capacity(kW)
NOTE: 1) indoor fan speed: Hi 2) Vertical adjustment louver "45°", Horizontal adjustment louver "front" 3) Indoor air temp. : Colling 27°C
(Running frequency: 68HZ)
= —
25 35 40
Outside air temp.("C)
(Running frequency: 89Hz)
Outside air temp.("C)
Outlet air temp.(°C)
(Running frequency: 96Hz)
AH-X075E/X095E AU-X075E/X095E AY-XO75E/X095E AE-X075E/X095E
Outlet air temp.(°C)
FOR INDOOR UNIT MODEL AH-X075E/X095E AND AY-X075E/X095E
CAUTION: DISCONNECT THE UNIT FROM THE POWER SUPPLY BEFORE ANY SERVICING
1. Using the narrow slotted screwdriver or similar, remove 3. Open the open panel, and remove the right air filter.
the screw cover from the front panel.
How to remove the screw cover 4. Remove one inner screw. a
a. Press the top of the screw cover with the flat-tipped Note: During reassembly, don’t tighten the screw
screwdriver (or nail, etc). strongly, or it will become idle.
b. Insertthe flat-tipped screwdriver (or nail, etc) into the
lower clearance, and pull and lift it toward you for
removal.
5. Remove the fastening screw which retains the cable,
and remove the cord. Note: During reassembly, install the holder after
2. Remove two screws from the front panel. installing the front panel. This will make it easier to assemble the front panel.
mi ih 2 ay i}
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6. After closing the open panel, open the vertical adjustment louver and pull out the bottom of the front panel toward
you. Lifting the front panel, strongly pull the top toward you. Making the front panel parallel to the main body, strongly pull it toward you for removal. To install the front panel, place the bottom of the front panel under the open vertical adjustment louver, and press in the front panel, parallel to the cabinet. When pressing it in, take care to prevent the top of the blow-out port ofthe drain pan from being caught by the front panel.
7. Remove the unit-to-unit wiring from the terminal board. (Loosen the screw with the screwdriver, and pull out the wiring.)
ee
a
al
lf
AH-X075E/X095E AU-X075E/X095E AY-X075E/X095E AE-X075E/X095E
9. Remove the control box cover. Holding its bottom, pull and disengage the upper hook toward the bottom.
Ae 10.Remove the ground wire. (One screw)
Note: During reassembly, take care for the direction of the lead wire.
Pay
M4 |
SS
11.Remove the protect cover for the dew. Note: During reassembly, verify that the dew on the
pipe is recovered to the drain pan.
yy
i
E-X075E/X005E
12. Remove the thermostat of the evaporator. 15.Remove six fastening screws of the control box, and
(Pull it out after peeling off the thermoseal.) remove the control box.
MN =a
miei mes <a
16.Remove the arn oe nee screws of the drain pan. (Two screws on the left side).
ee ETD
14.Remove two connectors of the fan motor and one Of 47 Turn the cap area of the drain hose counterclockwise, louver motor. and remove it from the drain pan
AN =a: vi
i)
During installation, turn the drain hose to the state of the
“engagement position”. After reinstallation, verify that it is securely fastened.
Q-O Todisconned To reconnect
19.Remove two fastening sc
oo = _ § OM
A\ RN \\ \
Vvap 21.Loosen the fan fastening screw, and remove the fan
——) Eee rae]
\H-X075E/X0SSE \U-X075E/X095E \Y-X075E/X095E \E-X075E/X095E
22. To remove the evaporator, remove the tube holderonthe 3. Remove the cord holder fastening screw of the power
rear side of the cabinet, slightly lift the left side, slide it to supply cord.
the right, and remove it from the cabinet, pulling ittoward
you. ;
4. Remove the terminal board fastening screw of the power supply cord.
How to remove the electric control box.
1. Remove the indicator assembly.
(Press and spread the upper hook, and the indicator will
be ready for removal.)
42
AH-X075E/X095E AU-X07SE/X095E AY-X075E/X09SE AE-X07S5E/X095E
Remove the board fastening screws. Drain pan and related How to remove the gear box assembly Remove two screws which fasten the gear box assembly.
Note When installing the gear box assembly, fit it, aligning the notch shape of the groove of the vertical adjusment louver.
the angle of transformer
Pull out the board.
How to remove the vertical adjustment louver Slightly fall down the hinge area, deflect the louver, and remove it at one place. Remove the shaft from each of the left and right sides.
AH-X07SE/XO9SE AU-X075E/X095E AY-X07SE/X095E AE-X075E/X00SE
FOR OUTDOOR UNIT MODEL AU-X075E/X095E AND AE-X075E/X095E
CAUTION: DISCONNECT THE UNIT FROM THE POWER SUPPLY BEFORE ANY SERVICING
1. Remove the lid of the contro! box. (2 screws)
Disconnect the unit-to-unit wiring from the terminal board.
LX-BZA176JBEO
2. Free the front panel assembly. Remove 2 screws from each of the right and left sides
and one screw from the front side.
3. Remove the front panel assembly. Pulling the bottom toward you, disengage 2 hooks on the rear surface.
rane 4 | Ath — dt
? 4 iV) it)
4. Remove 11 screws which fasten the rear panel assembly. (Even though the rear panel assembly is not removed,
most of the services are possible.)
as
Las,
AH-X07SE/X095E AU-X075SE/X095E AY-X075E/X09SE AE-X075E/X00SE
6. Disconnect the connector. (4 places) 9. Remove 2 screws which fasten the motor angle.
Disconnect the Faston terminal. (10 places) Pull up the motor angle for removal. (During reassembling, treat the lead wire to prevent it from being in contact with the propeller fan.)
10. Remove 3 motor fastening screws, and remove the motor.
Remove the 2 screws of the control PWB, and the control circuit will be ready for removal from the control box.
7. Remove 2 fastening screws of the control box. 11. Remove the bulk head.
Remove 2 small screws which fasten the ground cable. Remove 2 fastening screws. Lifting the bulk head, remove
Remove the electric battery box. 2 inner hooks.
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5
8. 12. Remove 2 screws which fasten the choke coil, and remove the choke coil.
AH-XO7SE/XO9SE AU-X075E/X09SE AY-X075E/X095E AE-X075E/X09SE
13. Remove the compressor cover. (Remove four staples.) 16. Remove the front panel assembly. Orifice 2screws 4 hooks
| Control cover 4 screws Wire guard 4 screws
Remove these screws and disengage these hooks.
17. Cautions when replacing the Power Factor Module, Power Transistor Module, or Diode Bridge (1) The screws should be firmly tightened at the
torque of 8 to 10 kg f cm (78.4 to 98 N). (2) For the Power Transistor Module or Diode Bridge,
Heat exchange pipe thermistor be sure to insert the silicon sheet between it and fixed position radiator plate.
(3) For the Power Factor Module, the silicon grease
should be evenly applied between it and radiator plate.
15. (AE-X075E/X095E only) Remove the coil of the four-way valve. After removing the fastening spring of the four-way valve, pull up the coil for removal. . Note: During reassembling, engage the projection
of the main body of the four-way valve into the groove of the coil. Take care for the polarity of the coil wiring.
AH-X075E/X095E AU-X07SE/X095E AY-X075E/X095E AE-X075E/X095E
SHARP. Applicable air-conditioner models
AH-X075E AH-X095E AY-X075E AY-X095E
Precautions
@ The filters are sealed in a plastic bag to keep thier dust collection effect. Do not open the bag until using the filters. (Otherwise the filters’ life may get shorter.)
®@ Do not expose the filters to direct sunlight. (Otherwise they may deteriorate.)
Type
(2-sheet package)
cee /
1 Hold both lower sides of the open panel
and open it. Take out the air filters. 4 Close the open panel.
ro | x. Air filter SHAS @) Pull down @ Push the arrow marked position firmly to
Push up and lock it in place. unhook.
LoLbed Replacement intervals guideline
Replace the air purifying filters at the
intervals of 3-6 months depending on the Set the air purifying filters onto the air cleanliness of the air. filters.
®@ The filter frames are reusable.
(Replace the dirty filters only.)
@ The dirty filters are not washable for reuse.
The filters are available at your nearest
dealer.
Place the air
(2-sheet package)
Precautions
@ The filters are sealed in a plastic bag to keep their dustcollection effect. Do not open the bag until using the filters. (Otherwise the filters’ life may get shorter.)
@ Do not expose the filters to direct sunlight. (Otherwise they may deteriorate.)
How to Replace Open the panel and take out the air filters.
Open panel! a peat Tat | ic titer * aching’ _—_—}— Jats E83 Seer
an ae. Uy ara ——— —_
Unhook the filter
direction.
Place the new filter
eee
Ene Bee |
lock it in place.
intervals of 3-6 months depending on
the cleanliness of the air.
eThe diety filters are not washable
for reuse. The filters are available at your
nearest dealer.
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CREF.NO._[ PART NO. DESCRIPTION [aT] CODE CABINET AND UNIT PARTS
Fan motor sub assembly
Motor cushion Bearing assembly Cabinet assembly Cross flow fan Drain pan assembly
Drain pan sub assembly
Vertical adjustment louver Vertical adjustment louver
Fan guard Louver holder
O ring Drain pan cover
Louver motor
Open panel assembly
GGAD-A029JBTA LHLD-A197JBFA NBRG-A010JBFA PBOX-A186JBK0 CHOS-A004JBKO PPACGA010JBE0 DCOV-A138JBFA
RMOT-A061J0BE0
PGUMMA110JBE0
CPNL-A114JBK0
TSPC-B795JBRO TSPC-B792JBRO
LHLD-A281JBFA PBOX-A182UBF0 LHLD-A313JBF0 LHLD-A282JBF0 PCOV-A300JBFO HPNLCA5S7 8UBFA HPNLCA59 5JBEA
PCOV-A27 8JBF0 TLABCA72 6JBRO DSGY-A642JBK0 DSGY-A6410BK0
QACC-A17 6JBE0 QTAN-A152JBE0 QTAN-A186JBE0
Number card [{AH-X095E]
Cord holder Thermistor holder Thermistor holder cover Control box cover
Control panel
LED holder
Source code Terminal board 4 poles terminal board
Terminal wire L
Fan motor wire
Flare nut assembly
51
Be Fe Pe Be Baja 5 BB BB BAB A
AU-X07S5E/KO96E AY-X075E/X095E
CRMC-A358JBE0 Remote controller
FCOV-A013JBFA Screw cover
GLEGGA0 0 8JBE0 Anti-vibration rubber Drain hose adpter
PPL‘TNA03 0JBPO Mounting plate XTTSD45P30000 Long screw TINSEA087JBRO Operation manual TINS-A327JBRO Installation manual PREOARPHPRPRENP
SCREWS
HOW TO ORDER REPLACEMENT PARTS
To have your order filled prompty and correctly, please furnish the following information.
1. MODEL NUMBER 2. REF. NO.
3. PART NO. 4. DESCRIPTION
52
CMOTLA4 85JBE0 DSGY-A643JBK0 DSGY-A639JBKO QTAN~A186JBE0
QW-VZC471JBE0 QW-VZC472JBE0 QW-VZC473JBE0 RC-AZA046JBE0 RH-DZA117JBE0 RH-HZ0011JBE0
RH-TZA103JBE0 QW-VZC474.BE0 RTHM-A022JBE0 RTHM-A236JBE0
PCOV~-A279JBP0 PGID-A042JUBFA PSEL~-~A841JBE0 PSEL-A877JBE0
CCHS-A501JBTA PFTA-A034JBFA PSHE-A134JBE0 MSPR-A027JBE0
NFANPA041JBE0 FSKR-A005JBK0 TLABKB683JBRO TLABKB682JBRO0
PSEN-A004JBK0 PSEN-A005JBKO PGUMSA069JBE0
Terminal board (4P)
Power transistor module (IPM)
Power factor module Choke coil wire Compressor thermistor Thermistor assembly Choke coil Control box
Wire fixing band
Motor angle cushion Rear cabinet Cord holder Front cabinet
Control box cover
Protect sheet
Number card [AU-X095E]
Name badge [AU-X075E]
Name badge [AU-X095E]
3 way valve unit
Compressor assembly (2-17, 3-20 and 3-21 included) Compressor cushion Compressor cover
Sound proof cover Flare nut assembly
Flare nut assembly Damper rubber
preaajenaie ete anae eas
PSEL-A878JBE0 Cushion
CPIPCA373JBK0 Suction pipe assembly CPIPCA374JBK0 Discharge pipe assembly PGUMSA033UBE0 Damper bber B PGUMS 0170JBE0 Damper rubber PGUM- 0034JBE0 Damper rubber U3
SCREWS AND NUTS
LX-BZA072JBE0 Special screw BB
LX-BZA1LO7JBE0O Special screw aC
LX-BZA166JBE0 Special screw AB
screw [{AU-X095E]
HOW TO ORDER REPLACEMENT PARTS
To have your order filled prompty and correctly, please furnish the following information.
1. MODEL NUMBER 2. REF. NO.
3. PART NO. 4. DESCRIPTION
55
i
DSRA-A186JBKO0
PFILMA090JBEA LHLD-A302JBFA LHLD-A303JBFA TSPC-B790JBRO TSPC-B733JBR0
- 29 TLABKB680JBK0 TLABKB681JBK0 PGUMMA082JBE0
QACC-A176JBE0 QTAN-A152JBE0
QTAN-A186JBE0 QW-VZC486JBE0
[3-6 | DEVA-ADZ0IBRO
Drain pan sub assembly
Vertical adjustment louver Vertical adjustment louver
CABINET AND UNIT PARTS
Fan guard Louver holder
Louver bushing Louver gear assembly Drain hose assembly O ring Drain pan cover
Louver motor
Open panel assembly
Number card [AY-X075E]
Number card [{AY-X095E]
Motor cushion
CONTROL BOX
Cord holder Control box Cord holder Thermistor holder Thermistor holder cover Control box cover
Control panel
LED holder
Source code Terminal board
4 poles terminal board
Main relay wire
CYCLE PARTS
Flare nut assembly
CRMC~-A357JBE0
ACCESSORY PARTS Remote controller
Mounting plate
Long screw
PROAPH ER PENE
To have your order filled prompty and correctly, please furnish the following information.
HOW TO ORDER REPLACEMENT PARTS
1. MODEL NUMBER 2. REF. NO.
3. PART NO. 4. DESCRIPTION
BC
AB
AB
AB
AE
AD
AL
BA
aM
AD
BA
‘AH-X075E/KO96E AU-X075E/KO96E AY-XO7SE/X095E AE-XO7SE/XO0SE
REPLACEMENT PARTS LIST (AE-X075E/AE-X095E)
TREF.NO. [| PARTNO. [CC‘iESCRIPTION, CT TY CODE | CONTROL BOX PARTS
CMOTLA485JBE0 QW-VZC475JBE0 RCIL-A045JBE0 DSGY-A638JBK0 DSGY-A632JBK0
Fan motor
'
QT. QW-VZC471JBE0 QW-VZC472JBE0 QW-VZC473JBE0 RC-AZA046JBE0
Compressor wire Wire assembly Power factor module wire Capacitor Diode bridge Ptc thermistor Power transistor module (IPM)
Power factor module(Active filter) Choke coil wire Compressor thermistor
Thermistor assembly Choke coil
Heat sink for Power transistor module Heat sink for DB
Rubber for DB
poexsoaanaapess a aeaeaces CABINET AND UNIT PARTS
Fan motor angle Motor angle cushion Rear cabinet Cord holder
Front cabinet
Control box cover
Base pan assembly
Control box cover
Protect sheet Spring
Number card [AE-X095E]
Gasket Insulator
CYCLE PARTS
Reverse valve sub assembly (Assembly of 3-23 to 3-32) Capillary tube assembly [AE-X075E] Capillary tube assembly [AE-X095E]
Condensor assembly
Bonnet
60
paperetanes
Flare nut assembly a
PSEL-A878JBE0 Cushion
SCREWS AND NUTS
Special screw
Special screw [AE-X075E]
Special screw [AE-X095E]
Special
ray
61
uh ti | My
95