Hisense AMS-07UR4SNZA3 User manual

MULTI-SPLIT TYPE AIR CONDITONER
SERVICE MANUAL V: 3.0
●INDOOR UNIT:
AMS-07UR4SNZA3
AMS-09UR4SNZA3
AMS-12UR4SNZA3
AMS-18UR4SPZA3
AMD-09UX4SJC
AMD-12UX4SJC
AMD-18UX4SJC
●OUTDOOR UNIT:
AMW2-16U4SGC
AMW2-20U4SNC
AMW3-24U4SKC
AMW4-28U4SKC
HisenseCorporation

Table of contents
Page
1．OPERATING RANGE 1
2．SPECIFICATION 2
2-1 Unit specifications 2
2-2 Major component specifications 5
2-3 Other component specifications 6
3．OUTLINES AND DIMENSIONS 8
3-1 INDOOR 8
3-2 OUTDOOR 12
4．REFRIGERANT FLOW DIAGRAM 14
4-1 Refrigerant flow diagram 14
4-2 Evacuation procedures 16
4-3 Evacuation direction 17
5．ELECTRICAL DATA 18
5-1 Electric wiring diagrams 18
5-2 Electric control 19
5-3 Sensor parameter 30
6．CONTROL MODE 31
6-1 Indoor control mode 31
6-2 Outdoor control mode 34
7．TROUBLESHOOTING 38
7-1 Error codes 39
8．CHECKING COMPONENTS 40
8-1 Check refrigerant system 40
8-2 Check parts unit 42
9．PARTS LIST 46
9-1 Indoor 46
9-2 Outdoor 51

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1. . O OP PE ER RA AT TI IN NG G R RA AN NG GE E
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Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp
Maximum 32℃D.B./23℃W.B. 43 ℃D.B./26℃W.B. COOLING Minimum 21℃D.B./15℃W.B. 21 ℃D.B./15℃W.B.
Maximum 27℃D.B./18℃W.B. 24℃D.B./18℃W.B. HEATING Minimum 20℃D.B/≤15℃W.B -7℃D.B./-8℃W.B.

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2-1. Unit specifications
2-1-1.OUTDOOR UNIT
NOTE :Test conditions：
Cooling : Indoor: DB27℃/ WB19℃Outdoor: DB35℃/ WB24℃
Heating: Indoor: DB20℃/ WB15℃Outdoor: DB7℃/ WB 6℃
Model AMW4-28U4SKC AMW3-24U4SKC AMW2-20U4SNC AMW2-16U4SGC
Function Cooling Heating Cooling Heating Cooling Heating Cooling Heating
Power supply a.c 220V~240V/50Hz
Capacity k
W
8.2 9.0 7.0 8.0 5.8 6.4 4.6 5.3
Dehumidification l /h ---- ---- ---- ---- ---- ---- ---- ----
Capacity Air flow m3/
h ---- ---- ---- ---- ---- ---- ---- ----
Rated current A 10.7 11.1 9.7 10.1 7.7 8.0 6.1 5.7
Rated input k
W
2.4 2.49 2.18 2.21 1.7 1.75 1.4 1.3
Auxiliary heater A ------
Power factor % 99.9％99.9％99.9％99.9％
Electrical data
Max. current A 15.0 15.0 14.5 14.5
SEER/HSPF ----
Model ATL165SD-C9AU DA130S1C-20FZ DA130S1C-20FZ
Compressor
Winding resistance
Ω0.590 (at75 ℃) 0.95（20 ℃ ）0.95（20 ℃ ）
Model YDK70-6H-3 YDK55-6I-8 YDK29-6I-22Outdoor
fan motor
Winding resistance (at20 ℃ ) Ω M:78;A:80 M:185;A:200 M:283.5;A:180
Net size L×W×H cm 109×41×84 98×35×64 80×26×57
Package size L×W×H cm 112×46×98 108×42×72 94×36×64
Net weight kg 67 66 46.2 37.5
Gross weight kg 77 72 52.5 41
Liquid pipe m
m
6.35×4 6.35×3 6.35×2 6.35×2
Gas pipe m
m
9.52×4 9.52×3 9.52×2 9.52×2
Refrigerant
piping Connection method Flare Flare Flare
Air direction ---- ---- ---- ----
Sound level (Hi) dB 57 57 56
Fan speed (Hi) rp
m
840 840 900
Fan speed regulator 3 3 3
Refrigerant filling
capacity(R410a) kg 2.1 2.4 1.4 1.0
Special
remarks
Throttle mode EEV EEV EEV EEV

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2. . S SP PE EC CI IF FI IC CA AT TI IO ON NS S
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2-1-2.INDOOR UNIT
NOTE :Test conditions：
Cooling : Indoor: DB27℃/ WB19℃Outdoor: DB35℃/ WB24℃
Heating: Indoor: DB20℃/ WB15℃Outdoor: DB7℃/ WB 6℃
Model AMS-07UR4SNZA3
AMS-09UR4SNZA3 AMS-12UR4SNZA3 AMS-18R4SPZA3
Function Cooling Heating Cooling Heating Cooling Heating
Power supply a.c 220V~240V/50Hz
Capacity kW 2.6 3.0 3.2 3.8 4.8 5.5
Dehumidification l /h 1.1 ---- 1.4 ---- 1.5 ----
Capacity Air flow m3/h 420 520 450 560 700 800
Running current A 0.18 0.18 0.18 0.18 0.2 0.18
Rated input kW 40 40 40 40 45 40
Auxiliary heater A ----
Power factor % ----
Electrical data
Starting current A ----
SEER/HSPF ----
Model ----
Compressor Winding resistance (at25℃) Ω----
Model YYW16-4-532 YYW28-4-2085BIndoor
fan motor Winding resistance (at20℃) ΩM:364;A:400.5; M:246.2;A:191;
Model ----Outdoor
fan motor Winding resistance (at20℃) Ω ----
Net size L×W×H cm 75×25×19 87×23×31
Package size L×W×H cm 84×31×27 96×40×34
Net weight kg 8.0 12.0
Gross weight kg 9.5 14.0
Liquid pipe mm 6.35
Gas pipe mm 9.52
Refrigerant
piping Connection method ----
Air direction 6 6
Sound level (Hi) dB 37 49
Fan speed (Hi) rpm 1200 1300
Fan speed regulator 3 3
Refrigerant filling
capacity(R410a) kg ----
Special
remarks
Throttle mode ----

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NOTE :Test conditions：
Cooling : Indoor: DB27℃/ WB19℃Outdoor: DB35℃/ WB24℃
Heating: Indoor: DB20℃/ WB15℃Outdoor: DB7℃/ WB 6℃
Model AMD-09UX4SJC AMD-12UX4SJC AMD-18UX4SJC
Function Cooling Heating Cooling Heating Cooling Heating
Power supply a.c 220V~240V/50Hz
Capacity kW 2.6 3.0 3.2 3.7 5.0 5.5
Dehumidification l /h 1.5 ---- 1.5 ---- 1.9 ----
Capacity Air flow m3/h 440 520 440 520 600 700
Running current A 0.2 0.2 0.2 0.2 0.3 0.3
Rated input kW 44 44 44 44 66 66
Auxiliary heater A ----
Power factor % ----
Electrical data
Starting current A ----
SEER/HSPF ----
Model ----
Compressor Winding resistance (at25℃) Ω----
Model YSK25-4G YSK40-4E Indoor
fan motor Winding resistance (at20℃) ΩM:247;A:150 M:247;A:150
Model ----Outdoor
fan motor Winding resistance (at20℃) Ω ----
Net size L×W×H mm 770×600×190 770×600×190
Package size L×W×H mm 946×692×236 946×692×236
Net weight kg 20 21
Gross weight kg 24 25
Liquid pipe mm 6.35
Gas pipe mm 9.52
Refrigerant
piping Connection method ----
Air direction ---- ----
Sound level (Hi) dB 35 37
Fan speed rpm 10pa：980/850/700
30pa：1150/1070/940
10pa：1290/1150/1010
30pa：1400/1310/1150
Fan speed regulator 6 6
Refrigerant filling
capacity(R410a) kg ----
Special
remarks
Throttle mode ----

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2-2. Major component specifications
2-2-1.INDOOR FAN MOTOR PARAMETER
ELECTRIC
PERFORMANCE AMS-07UR4SNZA3
AMS-09UR4SNZA3 AMS-12UR4SNZA3 AMS-18R4SPZA3
Motor model YYW16-4-532 YYW28-4-2085B
Rated power source 220V 50Hz 220V 50Hz
Phases/Poles 1/4 1/4
Rated load output(W) 16 28
Rated speed(r/min) -- 1250
Ambient
temperature(℃) -5℃～+43℃. -5℃～+43℃
PARAMETER
ELECTRIC
PERFORMANCE AMD-09UX4SJC AMD-12UX4SJC AMD-18UX4SJC
Motor model YSK25-4G YSK40-4E
Rated power source 220V 50Hz 220V 50Hz
Phases/Poles 1/4 1/4
Rated load output(W) 25 44
Rated speed(r/min) 1150/1070/940(Red)
980/850/700(White) 1400/1310/1150(Red) 1290/1150/1010(White)
Ambient
temperature(℃) -5℃～+43℃. -5℃～+43℃
2-2-2 OUTDOOR FAN MOTOR PARAMETERELECTRIC
PERFORMANCE AMW3-24U4SKC
AMW4-28U4SKC AMW2-20U4SNC AMW2-16U4SGC
Motor model YDK70-6H-3 YDK55-6I-8 YDK29-6I-22
Rated power source 220V 50Hz 220V 50Hz 220V 50Hz
Phases /Poles 1/6 1/6 1/6
Rated load output(W) 65 47 28
Ambient
temperature(℃) -5℃～+43℃-5℃～+43℃-5℃～+43℃
2-2-3. COMPRESSOR PARAMETERELECTRIC
PERFORMANCE AMW3-24U4SKC
AMW4-28U4SKC AMW2-20U4SNC AMW2-16U4SGC
Compressor model ATL165SD-C9AU DA130S1C-20FZ
Compressor type Rotary Rotary
Rated power 1550W 990W
Current (A) 10.7 4.97

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Motor type DC brushless motor DC brushless motor
Starting type DC Inverter DC Inverter
Motor
Winding resistance 0.59/0.59/0.59
Ω (at 75 ℃ )
U-V/V-W/W-U
0.95/0.95/0.95 Ω (at 20 ℃ )
U-V/V-W/W-U
Number of cylinder 2 2
Oil type α68HES-H or equivalent ESTER OIL VG74
Oil charge (cc) 880 500
Ambient temperature(℃) -5℃～+43℃. -5℃～+43℃
2-3. Other component specifications
2-3-1. INDUCTANCE PARAMETER
ELECTRIC
PERFORMANCE AMW3-24U4SKC
AMW4-28U4SKC AMW2-20U4SNC AMW2-16U4SGC
Inductance model R2550HSA R2050HSB
Rated power source 220V 50Hz 220V 50Hz
Rated current(A) 25 20
Rated inductance 5.0(mH)±10% 5.2（mH）±10%
Ambient
temperature(℃) -20℃～+70℃. -20℃～+70℃.
2-3-2. FILTER
ELECTRIC
PERFORMANCE AMW3-24U4SKC
AMW4-28U4SKC AMW2-20U4SNC AMW2-16U4SGC
Filter model RTNF-250T10X-3LF RTNF250-25T068X-03LF
Rated current(A) 20 20
Rated power
source AC 220V—50Hz AC 220V—50Hz
Filter frequency
range 150K—30MHHz 150K—30MHHz
Temperature
range(℃) -25℃～+85℃. -25℃～+85℃.

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2-3-4. STEPPER MOTOR PARAMETER
ELECTRIC
PERFORMANCE AMS-07UR4SNZA3
AMS-09UR4SNZA3 AMS-12UR4SNZA3 AMS-18UR4SPZA3
Stepper Motor model 24BYJ48-CP 24BYJ48-B1
Voltage(DC) 12V 12V
Number of phase 4 4
Drive mode 1-2phase excitation unipolar drive 1-2phase excitation unipolar
drive
Resistance per phase 300Ω±7% 300Ω±7%
Temperature
range(℃) -10℃～+40℃-10℃～+40℃
2-3-5. OVERLOAD PROTECTION
NONE.

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3. . O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO O
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3-1. INDOOR（MODEL: AMS-07UR4SNZA3、AMS-09UR4SNZA3、AMS-12UR4SNZA3）
23mm631mm
94mm
190mm
250mm
750mm
50mm
50mm 50mm
65mm