Hisense AS-07HR4SYDTG User manual

AS-07HR4SYDTG
AS-09HR4SYDTG
AS-12HR4SVDTG
AS-18HR4SWATG
AS-24HR4SFBTG
AS-30HR4SQBTG
Hisense Corporation

Type of contents
1. OPERATION RANGE
2. INSTALLATION
3. REFRIGERANT FLOW DIAGRAM
4. ELECTRICAL DATA
5. CONTROL MODE
6. TROUBLE SHOOTING
NOTE: The figure、size and parameter of the product may not be identical
with the service manual, please take the actual product as the standard.

1.
1. OPERATING OPERATING RANGE RANGE
Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp
COOLING Maximum 32℃D.B./23℃W.B. 43 ℃D.B./26℃W.B.
Minimum 21℃D.B./15℃W.B. 21 ℃D.B./15℃W.B.
HEATING Maximum 27℃D.B./18℃W.B. 24℃D.B./18℃W.B.
Minimum 20℃D.B/≤15℃W.B -7℃D.B./-8℃W.B.

2
2. .INSTALLATION INSTALLATION
1、How to choose an air conditioner（only for reference）：
a. Choice for reference: 170W/㎡for average rooms;
b. Choice for reference: 160-200W/㎡for small size offices;
c. Choice for reference: 220-350W/㎡for restaurants;
d. Choice for reference: 200-300W/㎡for entertaining venues;
e. Choice for reference: 220-280W/㎡for the top floor.
Note:1W = 3.412btu.
2、Indoor Unit:
2.1. Distance for the indoor unit:
Note: a.The wallboard must be smooth and straight, with its supporting force
of not less than 60 kg.
2.1 Install for the installation template:

2
2. .INSTALLATION INSTALLATION
Note: The installation template should be installed level.
2.3. Drilling:
Note：The tool need to raise 5 degrees when drilling, so that the hole of the
indoor side will be higher than the outdoor side, the water can drain smoothly.
2.4 Bend the evaporator pipe:
Note: When you bend the evaporator pipe, you should use your right hand
hold the pipe tightly at bends, and then use the left hand bend the pipe slowly.

2
2. .INSTALLATION INSTALLATION
3、Outdoor Unit:
3.1. The distance of the outdoor unit:
Note: The wallboard supporting force should be able to withstand four times
the weight of the outdoor unit, and not less than 180 kg.
3.2. Fix for the outdoor unit:
Note: The outdoor unit base must be fixed with the bolts to reduce vibration
and noise, if necessary the shock pad can be used.
4. The height difference and the connection pipe length:
bolt
Shock pad

2
2. .INSTALLATION INSTALLATION
When install the unit, please follow the following principle:
4.1.The height difference between the indoor unit and the outdoor unit
should not exceed 5m;
4.2.The connection pipe length should be not less than 1m;
4.3.The longest connection pipe is 15m
4.4. Normally, the connection pipe does not exceed 5m, if the connection
pipe exceed 5m, it should add some gas for the unit, the amount of the gas
that recharged is based on the diameter and length of the liquid pipe, and the
recharged gas Xg=(the liquid pipe length -5m)*(*sheet*g/m), for example, for
one heat pump single split air conditioner, if the diameter of the liquid pipe is
Ф9.53 , and the liquid pipe length is 7m, it means that it should charge
(7m-5m)*50g/m=100g gas for the unit refer to the following sheet:
The diameter for the
connection pipe(mm) single split air conditioner
Liquid pipe Gas pipe cooling only
（g/m）
heat pump（g/
m）
Ф6.35 Ф9.53 or
Ф12.7 15 20
Ф6.35 or
Ф9.53
Ф15.88 or
Ф19.05 15 50

3
3. .REFRIGERANT REFRIGERANT FLOW FLOW DIAGRAM DIAGRAM
3-1. Refrigerant flow diagram ：
CAPILLARY
COMPRESSOR
CHECK VALVE ASS'Y
CAPILLARY
CONDENSER
EVAPORATOR
OUTDOOR
INDOOR
出2

3
3. .REFRIGERANT REFRIGERANT FLOW FLOW DIAGRAM DIAGRAM
3-2.

4
4. . E EL LE EC CT TR RI IC CA AL L D DA AT TA A
4-1.Electrical wiring diagrams
NOTE: YE/GN=YELLOW/GREEN, BU=BLUE, BN=BROWN, WH=WHITE, BK=BLACK, VT=VIOLET, OG=ORANGE,
RD=RED
INDOOR：
(1) AS-07HR4SYDTG AS-09HR4SYDTG AS-12HR4SVDTG AS-18HR4SWATG AS-24HR4SFBTG
（INDOOR）:
(2) AS-30HR4SQBTG（INDOOR）:

4
4. . E EL LE EC CT TR RI IC CA AL L D DA AT TA A
OUTDOOR
（1）AS-07HR4SYDTG AS-09HR4SYDTG AS-12HR4SVDTG（OUTDOOR）:
（2）AS-18HR4SWATG AS-24HR4SFBTG (OUTDOOR):

4
4. . E EL LE EC CT TR RI IC CA AL L D DA AT TA A
（3）AS-30HR4SQBTG (OUTDOOR):

4
4. . E EL LE EC CT TR RI IC CA AL L D DA AT TA A
4-2. Sensor parameter
1. THE PARAMETER OF THE COIL AND INDOOR SENSOR：（ R0=15K±2%）
T(℃)
R(KΩ)
V(v)
T(℃)
R(KΩ)
V(v)
-20
152.5
4.5522388
30
11.99
2.221193
-19
143.9
4.528005
31
11.47
2.1666037
-18
135.8
4.5026525
32
10.98
2.113164
-17
128.3
4.4766225
33
10.51
2.0599765
-16
121.1
4.4489346
34
10.06
2.0071828
-15
114.5
4.4208494
35
9.634
1.9554275
-14
108.2
4.3912338
36
9.229
1.9045359
-13
102.3
4.3606138
37
8.842
1.8542907
-12
96.73
4.3287389
38
8.474
1.8049757
-11
91.51
4.2958408
39
8.123
1.7564762
-10
86
4.2574257
40
7.789
1.7089385
-9
81.97
4.2265649
41
7.47
1.6622163
-8
77.62
4.1902397
42
7.165
1.6162869
-7
73.52
4.1527338
43
6.875
1.5714286
-6
69.05
4.107674
44
6.597
1.5272955
-5
66.01
4.0741884
45
6.333
1.4843201
-4
62.58
4.033256
46
6.08
1.4421252
-3
58.34
3.9773657
47
5.838
1.4008062
-2
56.29
3.947959
48
5.608
1.3606366
-1
53.41
3.9036691
49
5.387
1.3211851
0
50.69
3.8582737
50
5.177
1.2828964
1
48.12
3.8117871
51
4.976
1.2454946
2
45.7
3.7644152
52
4.783
1.2088662
3
43.41
3.7159733
53
4.599
1.1732741
4
41.25
3.6666667
54
4.423
1.1385986
5
39.2
3.6162362
55
4.255
1.1049078
6
37.27
3.5651425
56
4.093
1.0718588
7
35.44
3.5130849
57
3.939
1.0399176
8
33.71
3.4602751
58
3.792
1.00894
9
32.08
3.4069669
59
3.65
0.9785523
10
30.63
3.3563445
60
3.515
0.9492304
11
29.06
3.2977758
61
3.385
0.9205874
12
27.68
3.2427366
62
3.261
0.8928865
13
26.36
3.1866538
63
3.142
0.8659464
14
25.12
3.1306082
64
3.028
0.8398047
15
23.84
3.069001
65
2.918
0.814265
16
22.82
3.0169223
66
2.813
0.7895919
17
21.76
2.9597388
67
2.713
0.7658217
18
20.75
2.9020979
68
2.618
0.7429901
19
19.79
2.8442081
69
2.524
0.7201552
20
18.88
2.7863046
70
2.436
0.6985547
21
18.03
2.729337
71
2.36
0.6797235
22
17.21
2.6715306
72
2.268
0.656706
23
16.44
2.6145038
73
2.189
0.6367444
24
15.7
2.5570033
74
2.114
0.617623
25
15
2.5
75
2.041
0.5988498
26
14.33
2.4428912
76
1.971
0.5806965
27
13.7
2.3867596
77
1.905
0.5634428
28
13.1
2.3309609
78
1.84
0.5463183
29
12.53
2.2756992
79
1.778
0.5298605
80
1.719
0.5140858

5
5. .CONTROL CONTROL MODE MODE
Chapter 1 System Description
1. System control diagram
2. Function Description
a) Operation Mode: Cooling, Heat, Dry, Fan only.
b) Intake air temperature sense, Indoor coil pipe temperature sensor
and Outdoor coil pipe sensor(only some HEAT PUMP model)
c) Indoor Fan mode Selector: Auto, High, Medium, Low
d) Air flow direction control
e) Control panel display
f) 4-way reversing valve control (only available for Heat Pump)
g) Compressor ON/OFF control
h) Outdoor fan motor control
i) Error inquiry
j) Ceased delay protection for compressor
k) Dimmer
l) Room temperature display (optional)
3. System Signal Input
a) Remote control signal, room temperature signal, coil pipe
temperature
signal, “ON/OFF” signal, Filter Monitor reset signal
4. System Signal Output
4.1 H/C split unit: Air flow direction motor(step motor), indoor fan
Remote control Remote Display Indoor control circuit
Room temperature sensor
Indoor pipe temp. sensor
Indoor PCB
circuit Indoor fan motor
Indoor air flow direction motor
Outdoor fan motor
4-way reversing valve（only for
heat pump）
Outdoor temperature sensor
(only few heat pump
model)
Compressor Outdoor control circuit

5
5. .CONTROL CONTROL MODE MODE
motor(PG regulating motor or tapped regulating motor), digital tube and
LED display, Electrical heating signal, Buzzer, Outdoor fan motor, Coil of the
4-way reversing valve, Compressor( or AC contactor).
4.2 Cooling only split unit: Air flow motor (step motor), indoor fan
motor(PG regulating motor or tapped regulating motor),digital tube and LED
display, Buzzer, Outdoor fan motor, Coil of the 4-way reversing valve,
Compressor( or AC contactor).
5. Operation Mode
5.1 Operation mode
Operation mode: Cooling mode, Heat mode, Dry mode, Fan only mode.
5.2 Mode and function combination
These 4 modes contain the combination of the hereinbefore functions,
and run these operations control by remote control also.
5.3 Emergent start
If the appliance under the Stand-by state, all the Operation Mode, Air
volume, Temperature Setting , Forced Cooling function will be restored as
the last time setting when you press on the “ON/OFF” button, but lost the Air
flow direction setting, Delay time of Non-real Time Setting(Low end), and
sleep function.
If the appliance was connected to the power at first time, it would
operate in the smart mode, and set the mode, swing louver angle and the Air
volume when you press the “ON/OFF” button. It will keep in stand-by state
if you press the “ON/OFF” button during the normal operation.
5.4 Other control mode
（1）When the PCB circuit was connected to the power at first time, the
buzzer triggered and beep.
（2）The compressor responded the variation of temperature after the
compressor operated in 3 min, and it will be ceased for 3 min then re-start.
When the operation mode changed or power off, the compressor turned off
immediately. For the other normal operation, the compressor has a 3 min
delay protection. If the compressor Power ON or OFF, the outdoor fan motor
will be ON or OFF correspondingly.
（3）The appliance is ceased for 3 min delay protection when the
auto-restart after blankout.
（4）
The appliance is ceased for 5 sec delay protection to perform the other
operation after it receive the signal of specific operation, but no any delay for
the response.
（5）When the appliance power OFF, the indoor fan motor operated as
below condition:
a．Cooling and Dry mode: After the compressor power off, it will be
operated in 30 sec under the presetting speed then turn off.
b．Fan only mode: it will be stopped immediately after the compressor
power off.
c．Heating mode: After the compressor stopped, the indoor fan motor

5
5. .CONTROL CONTROL MODE MODE
will stop if the indoor coil pipe lower than 33℃, otherwise the indoor fan
motor would operate on the Low air speed setting to cool down the coil pipe,
and it would stop for the max 30 sec.
（6）When the Heating mode set at first time or turn to the Heating mode
from other mode, the 4-way reversing valve will be triggered after the
compressor power ON. If the appliance turn off under the Heating mode, the
4-way reversing valve would be OFF after 3 min delay.
Chart 2 System Function Design
1. Function description
1.1The appliance could be operate by Manual and Remote control, and the
Remote control could be set all the Auto，Cooling, Dry, Heating and Fan
only functions.
1.2 The temperature setting range from 18℃to 32℃; and the indoor air
temperature sensor working range from 15℃to 33℃.
1.3 Indoor air volume setting:
RPM High Medium Low
Heat Refer to the parameter list（Heat Pump）
Cooling Refer to the parameter list
Dry According to the Dry mode
Fan only the RPM same as Heating mode
1.4Indoorlouverswingcontrol
1.5 Overcooling protection control (only available for Cooling)
1.6 Anti-cold air system (only available for Heat Pump)
1.7 Auto-Defrost (only available for Heat Pump)
1.8 Overheating protection of heater exchange (only available for Heat
Pump)
1.9 3 minutes delay protection for compressor
1.10 Timer operation
1.11 Self-diagnosis
1.12 Control panel display
1.13 Auto-restart after blankout
1.14 Error inquiry
1.15 Dimmer
1.16 Super
1.17 Room temperature display (optional)
2. General protection system
General protection system means the appliance would be protected
when overloading, high temperature and high pressure occurs during the
each operation mode(Cooling, Heat, Dry and the smart mode). If the
appliance works under some special mode, the specific protection system

5
5. .CONTROL CONTROL MODE MODE
would be triggered respectively.
2.1 Compressor delay protection
The compressor is ceased for 3 minutes to balance the pressure in the
refrigeration cycle in order to protect the compressor.(This protection
include the Cooling or the exchange Dry and Heat mode, but the unit has no
this function after it restored. If the unit restored and turn ON, then this
protection would be functioned.)
2.2 Fan motor(PG motor) protection
When the Fan motor(PG motor) receive the signal, it will be stopped
after it detected the speed less than 200RPM, at the same time, the error
code, “E4”, will be displayed.
3. Control panel and display
3．1 Digital Tube display
3．2 LED indicator description
3.2.1 Running Indicator:
It lights in the running operation and flashing in the Defrost
mode.(except the Sleep and Dimmer mode)
3.2.2 Timer Indicator:
It lights in the Timer ON condition. (except the Sleep and Dimmer mode)
3.2.3 Sleep Indicator
It lights in the Sleep mode. (except the Dimmer mode)
3.2.4 Compressor Indicator:
It lights up when the compressor is on.
3.2.5 Signal Receptor.
3．3 emergency button :
The operation mode, air volume and temperature setting will recovery
as the last time setting when press the emergency button in the stand-by
state. If the appliance connects to power source and the Emergency button
press, it will operate in the Auto–mode, if the Emergency button select again,
the appliance will turn in stand-by sate.
4. Operation Mode
The appliance could be operated under Heat, Cooling, Dry and Fan Only
mode,
and also the super, the smart operation mode
4.1 Fan Only Mode Operation
During the appliance run in this mode, the compressor and outdoor fan
stop, the indoor fan operate under the pre-setting of air volume, and the
louver swing, and the indoor fan speed same as the Heating Mode.
4.2 Cooling Mode Operation

5
5. .CONTROL CONTROL MODE MODE
4.2.1 This mode could be selected by the remote control
4.2.2 The 4-way reversing valve will be stopped under this mode.
4.2.3 During this mode, the temperature setting, air volume and air flow
direction could be adjusted.
During the appliance run in normal condition, the room's temperature
can be adjusted by 1℃up and down base on the setting temperature, the
compressor operation diagram is shown as following.
When the temperature dropped, the compressor will be power on.
Tem
p
erature fall
Tem
p
erature rise
Compressor power ON
The setting temp. minus 1℃
The setting temp. plus 1℃
Compressor power OFF
Compressor power OFF
Compressor power ON
4.2.4 Overcooling protection control
When the indoor coil pipe temperature is lower than 3℃and higher than
-7℃during Cooling or Dry operation for 3 min, indoor fan speed turns to
high and outdoor fan turn off. After the temperature recovers to 7℃,theair
conditioner turn to run in normal condition. When the indoor coil pipe
temperature falls below –7℃during COOLING or DRY operation for 3
minutes, the compressor and outdoor fan motor turn OFF. When the indoor
pipe temperature recovers to 5℃and the compressor has been stopped for
3minutes,thecompressorandoutdoorfanmotorwillbeturnedON.
4.2.5 Indoor fan operation
(1) When room temperature is higher than 35℃, the compressor is
stopped for 1 min then turn on, (when the compressor ceased for 3 min
protection, the indoor fan should be turn on immediately)
(2）When the indoor fan keep in running condition, this operation state
could be controlled by the remote control with High, Median, Low and
Automatic setting.
(3）When the appliance is set Automatic condition in the Cool mode for
the first time, the fan speed will run at Low setting. After that, temperature
and fan speed is shown as following.

5
5. .CONTROL CONTROL MODE MODE
Tem
p
erature fall
Tem
p
erature rise
High
The settin
g
tem
p
.
p
lus 4℃
Median
The settin
g
tem
p
.
p
lus 2℃
Low
When the difference between the setting temperature and the room
temperature equal to 2℃or 4℃, the indoor fan speed will keep in current
speed.
4.2.6 Air flow direction control
The louver is derived by a step motor, and it swings the horizontal louver
automatically. Press the SWING button to swing or stop the louver.
During the louver swing in normal operation, the current position will be
stored. When the appliance turn off and louver swing automatically to the
default position, it will position at the stored position plus 5º.
4.3 Dry mode operation
When the appliance run into the Dry mode, it starts as Cooling mode
operation. If 3 minutes elapses after starting, the appliance will sense the
intake air temperature and minus 2℃as the setting temperature and
operate in Cooling mode, and the indoor motor speed is low. During this
operation, the air flow direction could be set but the air volume is
unavailable, and the setting temperature can only be adjusted by 2℃up and
down(the minimum accuracy is 1℃).
When the appliance run in this mode, it will not influenced by under the
18℃limit.
4.4 Heating mode operation
4.4.1 The 4-way reversing valve is turn ON under the Heating mode.
4.4.2 During this mode operation, the setting temperature and air
volume can be adjusted, and the air flow direction could be swang.
When the appliance run in normal condition, the room’s temperature
canonlybeadjustedby1
℃up and down base on the setting temperature,
the compressor operation diagram is shown as following.
When the temperature rose, the compressor will be power ON.

5
5. .CONTROL CONTROL MODE MODE
Tem
p
erature fall
Tem
p
erature rise
Compressor power OFF
The setting temp. minus 1℃
The setting temp. plus 1℃
Compressor power ON
Compressor power ON
Compressor power OFF
4.4.3 Indoor fan motor operation
Anti-cold air system:
When the appliance run in Heat mode condition, the indoor fan motor
operation is shown as following to prevent the cooling air come out during the
appliance operation.
Tem
p
erature fall
Tem
p
erature rise
30℃
(
#27
)
The
setting
air
flow
The
setting
air
flow
35℃
(
#26
)
25℃
(
#28
)
Low
Extra-low
Sto
p
Sto
p
When the appliance turn in the anti-cold air system in the Extra-LOW
(Tapped motor set in LOW, sic passim) during the compressor operation, the
louver swang to the Cool air protection position, the louver recovers to the
original position after the air volume change to LOW. When the room
temperature reach to the setting temperature, the compressor will be turn
off, and the air flow change to LOW, the louver swang to the Cool air
protective position to prevent the air drop into human body directly; when
the indoor pipe coil temperature drop continuously, it will turn in the Cooling
air protective system in the Extra-LOW or stop the fan motor.
The indoor fan motor is only controlled by the signal of indoor pipe coil
temperature, no matter the compressor turn ON/OFF, even the appliance
turn in Heat mode at first time.
4.4.4 The indoor fan motor will operate according to the different
setting(High, Median, Low and Automatic) by the remote control, but the
anti-cold air system is prior.
When the appliance run in the Heat mode with the Automatic setting at
first time, the fan speed will be in the LOW setting, and the operation
diagram is shown as following