Sinclair ASH-18AIM2 PT User manual

SERVICE MANUAL
ASH-18AIM2PT, ASH-24AIM2PT
MATRIX SERIE

Service Manual
Table of Contents
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
2.1 Specication Sheet...........................................................................................................2
2.2 Operation Characteristic Curve ........................................................................................4
2.3 Capacity Variation Ratio According to Temperature .........................................................4
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................5
2.5 Noise Curve......................................................................................................................5
3. Outline Dimension Diagram........................................................................6
3.1 Indoor Unit........................................................................................................................6
3.2 Outdoor Unit .....................................................................................................................7
4. Refrigerant System Diagram......................................................................8
5. Electrical Part...........................................................................................................9
5.1 Wiring Diagram.................................................................................................................9
5.2 PCB Printed Diagram.....................................................................................................11
6. Function and Control......................................................................................13
6.1 Remote Controller Introduction .....................................................................................13
6.2 Brief Description of Modes and Functions......................................................................17
Part Ⅱ: Installation and Maintenance .................................................26
7. Notes for Installation and Maintenance..........................................26
8. Installation................................................................................................................28
8.1 Installation Dimension Diagram......................................................................................28
8.2 Installation Parts-checking ............................................................................................30
8.3 Selection of Installation Location....................................................................................30
8.4 Electric Connection Requirement ..................................................................................30
8.5 Installation of Indoor Unit................................................................................................30
8.6 Installation of Outdoor Unit.............................................................................................33
8.7 Vacuum Pumping and Leak Detection ...........................................................................34
8.8 Check after Installation and Test Operation ...................................................................34

Service Manual
Table of Contents Table of Contents
9. Maintenance............................................................................................................35
9.1 Malfunction Display of Indoor Unit..................................................................................35
9.2 Procedure of Troubleshooting ........................................................................................37
9.3 Troubleshooting for Normal Malfunction.........................................................................54
10. Exploded View and Parts List..............................................................56
10.1 Indoor Unit....................................................................................................................56
10.2 Outdoor Unit .................................................................................................................60
11. Removal Procedure.......................................................................................64
11.1 Removal Procedure of Indoor Unit ...............................................................................64
11.2 Removal Procedure of Outdoor Unit ............................................................................69
Appendix:........................................................................................................................80
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................80
Appendix 2: Conguration of Connection Pipe.....................................................................80
Appendix 3: Pipe Expanding Method ...................................................................................81
Appendix 4: List of Resistance for Temperature Sensor ......................................................82

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
ASH-18AIM2 PT
ASH-24AIM2 PT
Outdoor Unit
ASH-18AIM2 PT
ASH-24AIM2 PT
Remote Controller
YAA1FB
/
F
C
HOUR
ONOFF

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model ASH-18AIM2 PT ASH-24AIM2 PT
Product Code CB304002501_L31222 CB304002801_L31222
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode outdoor outdoor
Cooling Capacity W 5275(1260~6600) 6450(2530~6800)
Heating Capacity W 5800(1120~6800) 7000(2530~7600)
Cooling Power Input W 1625(380~2650) 2180(600~2650)
Heating Power Input W 1760(350~2650) 2220(600~2800)
Cooling Power Current A 7.2 9.7
Heating Power Current A 7.8 9.8
Rated Input W 2650 2800
Rated Current A 11.8 12.4
Air Flow Volume(SH/H/M/L/SL) m3/h 850/780/650/550/- 1000/800/700/550/-
Dehumidifying Volume L/h 1.80 2
EER W/W 3.25 2.96
COP W/W 3.30 3.15
SEER W/W 6.1 6.1
HSPF W/W / /
Application Area m223-34 27-42
Indoor Unit
Model of indoor unit ASH-18AIM2 PT ASH-24AIM2 PT
Indoor Unit Product Code CB304N02500_L31222 CB304N02800_L31222
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ98X710 Φ100X765
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1200/1000/800/- 1350/1150/950/850/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1420/1250/1100/950/- 1400/1200/1000/900/-
Output of Fan Motor W 20 35
Fan Motor RLA A 0.31 0.31
Fan Motor Capacitor μF 1.5 2.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 2-1.4 2-1.5
Coil Length (LXDXW) mm 715X25.4X304.8 765X25.4X342.9
Swing Motor Model MP28VB MP35XX
Output of Swing Motor W 2 2.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 48/43/40/35/- 51/47/42/39/-
Sound Power Level (SH/H/M/L/SL) dB (A) 58/53/50/45/- 61/57/52/49/-
Dimension (WXHXD) mm 945X298X211 1018X315X230
Dimension of Carton Box (LXWXH) mm 1010X380X285 1083X395X313
Dimension of Package (LXWXH) mm 1013X383X300 1086X398X328
Net Weight kg 12 15
Gross Weight kg 15 18.5

3
Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit ASH-18AIM2 PT ASH-24AIM2 PT
Outdoor Unit Product Code CB404W03401_L31222 CB404W03801_L31222
Compressor Manufacturer/Trademark ZHUHAI LANDA
COMPRESSOR CO.,LTD ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXA-B141zF030A QXA-B141zF030A
Compressor Oil 68EP 68EP
Compressor Type Rotary Rotary
L.R.A. A 25 25
Compressor RLA A 7.2 7.2
Compressor Power Input W 1440 1440
Overload Protector 1NT11L-6233 or KSD115oC or
HPC115/95U1
1NT11L-6233 or KSD115oC or
HPC115/95U1
Throttling Method Capillary Capillary
Operation Temp oC 16~30 16~30
Ambient Temp (Cooling) oC -15~43 -15~43
Ambient Temp (Heating) oC -20~24 -20~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Rows-n Gap mm 2-1.4 2-1.4
Coil Length (LXDXW) mm 851X38.1X660 984X38.1X748
Fan Motor Speed rpm 750 800
Output of Fan Motor W 60 90
Fan Motor RLA A/ /
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit m3/h 3200 4000
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ520 Φ552
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 56/-/- 58/-/-
Sound Power Level (H/M/L) dB (A) 66/-/- 68/-/-
Dimension (WXHXD) mm 963X700X396 1000X790X427
Dimension of Carton Box (LXWXH) mm 1026X455X735 1080X485X840
Dimension of Package (LXWXH) mm 1029X458X750 1083X488X855
Net Weight kg 45 55
Gross Weight kg 49.5 60
Refrigerant R410A R410A
Refrigerant Charge kg 1.35 1.80
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 20 50
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ12 Φ16
Max Distance Height m 10 10
Max Distance Length m 25 25
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
01020304050607090010 20 30 40 50 60 70 80 90 100 120110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
220V
230V
240V
220V
230V
240V
01020304050607090010 20 30 40 50 60 70 80 90 100
120
110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
220V
230V
240V
220V
230V
240V
Conditions
Indoor: DB27°C/WB19°C
Outdoor: DB35°C/WB24°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB27°C/WB19°C
Outdoor: DB35°C/WB24°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
Cooling Heating
Cooling Heating
32 33 34 35 36 37 38 39 43
–15 –10 –5
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
05710
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%) Capacity ratio (%)
30
40
50
60
70
80
90
100
110
120
10
750-5-10-15-20
Outdoor temp.(oC)
Capacity ratio(%)
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Cooling Heating

5
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(oC)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (oC) T2 (oC)
27/19 35/24 ASH-18AIM2 PT 0.8 to 1.0 12 to 14 80 to 40 Super High High 70
ASH-24AIM2 PT 0.9 to 1.1 10 to 12 80 to 40 Super High High 83
Rated heating
condition(oC)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (oC) T2 (oC)
20/15 7/6
ASH-18AIM2 PT 2.2 to 2.4 70 to 40 1 to 5 Super High High 70
ASH-24AIM2 PT 2.5 to 2.7 70 to 40 1 to 5 Super High High 75
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5 m.
Cooling:
Heating:
2.5 Noise Curve
20
30
40
50
60
200406080 100
Outdoor side noise
Indoor side noise
Compressor frequency/Hz
)A(Bd/esioN
60
50
40
30
20
10
0
Indoor Fan Motor Rotating Speed
Noice/dB(A)
low Middle High Super High
ASH-18AIM2 PT ASH-24AIM2 PT ASH-18AIM2 PT ASH-24AIM2 PT

6Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
Models W H D
ASH-18AIM2 PT 945 298 211
ASH-24AIM2 PT 1018 315 230
ASH-18AIM2 PT
ASH-124AIM2 PT
W
694
685 189
144
57
38 116
45
45
60
95
Φ55Φ55
Φ70 Φ70
194
D
H

7
Technical Information
Service Manual
427
1000
920
610
370
790
395
3.2 Outdoor Unit
Unit:mm
Unit:mm
340
963
700
396
890
560
364
ASH-18AIM2 PT
ASH-24AIM2 PT

8Technical Information
Service Manual
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer CapillaryStrainer
Accumlator
Compressor
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:1/2" (12mm)(ASH-18AIM2 PT)
Gas pipe:5/8" (16mm)(ASH-24AIM2 PT)

9
Technical Information
Service Manual
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
●Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP Jumper cap
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow/Green BK Black / /
VT Violet OG Orange / /
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
ASH-18AIM2 PT
SENSORSENSOR
L(AC-L)
BK
PE
ROOMTUBE
M2
SWING-UD
ROOM TEMP.
RT2
AP2
BN
PG
YEGN
M1
BU
FAN MOTOR
OUTDOOR UNIT
2
3
XT
N(1)
TUBE TEMP.
RT1
SWING
MOTOR
COM-OUT
N
PGF
CAP
JUMP
DISP2DISP1
AP1
RECEIVER AND
DISPLAY BOARD
EVAPORATOR
TERMINAL
BLOCK
L
L
(SWING)
BU
BK
BN
YEGN
PRINTED CIRCUIT BOARD
HEALTH-L
BU RD
HEALTH-N
GENERATOR
COLD PLASMA
θ
θ

10 Technical Information
Service Manual
ASH-24AIM2 PT
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©
©
These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
● Outdoor Unit
L2
50K15K20K
BN
WARNING
Please don't touch any terminal
when the voltage of terminal
P(DC+) and N(DC-) at AP1 is
higher than 30V to prevent the
risk of electric shock !
POWER
θ
θ
θ
COMP.
L1
WVU
PRINTED CIRCUIT BOARD
L1
PE
YEGN
FAN MOTOR
4WAY OFAN
VTVT
VALVE
4YV
4-WAY
M1 PE
MAGNETIC
PETERMINAL
BLOCK
YEGN
BU
BN
BU
BN
BK
RING
L1
INDOOR UNIT
XT1
BU
BK
BN 3
2
N(1)
L
N
PE
BU
YEGN
LN
PE
YEGN
PE
COM_INNER
N1
AC_L
L3 L3
RING
MAGNETIC
L3
OVERLOAD PROTECTOR
T_SENSOR
YEGN
W(RD)V(YE)U(BU)
YEBU RD
PE
PE
RT1 RT2 RT3
RD
OVC_COMP
WHWH
SAT
COMP
X1
YE
BU
WH BK
TEMP.SENSOR OUTTUBE
OUTROOM TEMP.SENSOR EXHAUST TEMP.SENSOR
AP1
HEAT_B
EH
RD
BOTTOM
HEATER
BAND
RD

11
Technical Information
Service Manual
5.2 PCB Printed Diagram
● Top view
Indoor Unit
● Bottom view
No. Name
1Interface of live wire
2Interface of live wire for
outdoor control
3Fuse
4Interface of neutral wire
5Interface of neutral wire for
health function
6Control interface of PG
motor
7Interface of live wire for
health function
8Interface of indoor unit and outdoor unit
communication
9Auto button
10 Up & down swing
11 Feedback interface of
indoor fan
12 Jump
13 Interface of display
14 Ambient temperature
sensor interface
15 Indoor tube temperature
sensor interface
1
2
3
4
5 6 7 8 9 10 11
12
13
1415

12 Technical Information
Service Manual
● Top view
Outdoor Unit
● Bottom view
No. Name
1Terminal of compressor
overload protection
2Terminal of temperature
sensor
3Terminal of electronic
expansion valve
4Terminal of outdoor fan
5Terminal of 4-way valve
6Terminal of
compressorelectric heating
7Terminal of chassis electric
heating
8Terminal of indoor unit and
outdoor unit communication
9Power supply live wire
10 Earthing wire
11 Power supply neutral wire
1 2 3 4 5 6
7
8
9
10
11

13
Technical Information
Service Manual
6. Function and Control
6.1 Remote Controller Introduction
1
1
2
5
4
6
7
8
11
12
13
9
14
15
ON/OFF button
- button
3
SWING button
FAN button
MODE button
I FEEL button
CLOCK button
10
TIMER-ON button
TIMER-OFF button
TURBO button
LIGHT button
16 X-FAN button
SLEEP button
TEMP button
button
/
+ button
/
F
C
HOUR
ONOFF
23
45
67
89
10 11
12 13
14 16
15
Send signal
Turbo mode
8heating function
Set temperature
Set time
TIMER ON /TIMER OFF
Child lock
Up & down swing
Set fan speed
ventilation operation
Light Temp. display type
:Set temp.
:Outdoor ambient temp. :Indoor ambient temp.
Sleep mode
Clock
Heat mode
Fan mode
Dry mode
Cool mode
Auto mode
Operation mode
I feel
X-fan mode
health function

14 Technical Information
Service Manual
no display

15
Technical Information
Service Manual

16 Technical Information
Service Manual
battery
Cover of battery box
remove
reinstall