WINTAIR WAW-24/INV User manual

TECHNICAL&SERVICE MANUAL V3.3
—DC INVERTER AIR CONDITIONERS
OUTDOOR
WAW-18/INV
WAW-24/INV
WAW-36/INV
WAW-48/INV
WAW-60/INV
WAW-18/INV1
WAW-24/INV1
WAW-36/INV1
INDOOR
WAC-18IN/INV
WAC-24IN/INV
WAC-36IN/INV
WAC-18IN/INV1
WAC-24IN/INV1
WAC-36IN/INV1
WAC-48IN/INV
WAC-60IN/INV
WAV-18IN/INV1
WAV-24IN/INV1
WAV-36IN/INV1
WAV-48IN/INV
WAV-60IN/INV
WAD-18IN/INV
WAD-24IN/INV
WAD-36IN/INV
WAD-18IN/INV1
WAD-24IN/INV1
WAD-36IN/INV1
WAD-48IN/INV
WAD-60IN/INV

Page
1．GENERAL 1
2．SPECIFICATION 15
3．OUTLINES AND DIMENSIONS 24
3-1 INDOOR 24
3-2 OUTDOOR 29
4．DIAGRAM&DATA 33
4-1 Refrigerant Flow Diagram 33
4-2MAX. Refrigerant Pipe Length and Height Difference 36
4-3 Electric Diagrams 37
4-4Air flow and ESP Chart Diagrams(for duct type) 39
4-5 PERFORMANCECURVE 44
5．ELECTRICAL DATA 44
5-1 Electric Wiring Diagrams 46
5-2. Electric Control 59
5-3. Dip Switch Setting of Outdoor 68
5-4. Digital Display Switch of Outdoor 69
5-5. Static Pressure Setting(only for duct type) 71
5-6. Internal Control Parameter Adaptation 72
5-7 Sensor Parameter 74
6．CONTROL MODE 82
6-1 Indoor Control Mode 82
6-2 Outdoor Control Mode 85
7．TROUBLE SHOOTING 87
7-1 Error Codes 87
8．CHECKING COMPONENTS 116
DC InverterAir Conditioner Technical & Service Manual
Table of Contents

8-1 Check Refrigerant System 110
8-2 Check Parts Unit 112

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 1
1.1 Features
Duct Type Air Conditioner
Features
Save Installation Space
The indoor unit can be installed inside the ceiling conveniently.
Optional Static Pressure
18k: optional 10Pa /30Pa, 24K/36K 50Pa/80Pa(For AUD-24UX4SALH1&AUD-36UX4SAMH1，freely changed
between1-80Pa) , 48K/60K: 80Pa/120Pa static Pressure.
One unit, mute optional installation method.
High Efficiency and Environment Friendly New Refrigerant-R410A
R410A can protect the environment and do not harm to the ozone layer.
24-hour Timer ON and OFF
This Timer can be set to automatically turn the unit on or off within a 24-hour
period.
Mute Operation
The excellent fan design enable the airflow to be quiet and smooth with minimum
noise.
Meeting Various Installation Requirements
The back-air-inlet type is usually to be adopted according to the actual
installation space.
The unit is also installed with down-air-inlet type and the noise will increase
about 5-6 dB.
Self Recovery of Power Break
When the power supply is recovered after break, all preset are still effective
and the air-conditioner can run according to the original setting.
Fault Self-diagnose Function
When there is something wrong with the air-conditioner，the micro computer could
diagnose the faults, which can be read from the display and is convenient for
maintenance.

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 2
Cassette Type Air Conditioner
Features
Save Installation Space
The indoor unit can be installed inside the ceiling conveniently.
High Efficiency and Environment Friendly New Refrigerant-R410A
R410A can protect the environment and do not harm to the ozone layer.
24-hour Timer ON and OFF
This Timer can be set to automatically turn the unit on or off within a 24-hour period.
Mute Operation
The excellent fan design enable the airflow to be quiet and smooth with minimum noise.
Self Recovery of Power Break
When the power supply is recovered after break, all preset are still effective and
the air-conditioner can run according to the original setting.
Fault Self-diagnose Function
When there is something wrong with the air-conditioner, the micro computer could
diagnose the faults, which can be read from the display and is convenient for
maintenance.
Ceiling &Floor Air Conditioner
Features
Save Installation Space
The indoor unit’s thickness is only 230mm,can be installed inside the ceiling
conveniently.
Flexible Installation Options
According to the actual installation space,The indoor unit can be installed in the ceiling

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 3
or on the floor. One unit, Two installation method.
High Efficiency and Environment Friendly
New Refrigerant-R410A
R410A can protect the environment and do not harm to the ozone layer.
24-hour Timer ON and OFF
This Timer can be set to automatically turn the unit on or off within a 24-hour period.
Mute Operation
The excellent fan design enable the airflow to be quiet and smooth with minimum noise.
Various Refrigerant Pipe Connect Methods
The refrigerant pipe can be connect from 3 different directions(rear,right or top) .More
methods, more conveniently.
Self Recovery of Power Break
When the power supply is recovered after break, all preset are still effective and the
air-conditioner can run according to the original setting.
Fault Self-diagnose Function
When there is something wrong with the air-conditioner, the micro computer could diagnose
the faults, which can be read from the display and is convenient for maintenance.
1.2 Product Lineup
Type Model 18 24 36 48 60
Duct Type WAD- ● ● ● ● ●
Cassette Type WAC- ● ● ● ● ●

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 4
Ceiling&Floor
type WAV- ● ● ● ● ●
1.3 MODEL IDENTIFICATION

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 5
WAW-18/INV
W----WINTAIR
A-----AIR CONDITIONER
W----OUTDOOR UNIT
18----18000 BTU
/INV---INVERTER MACHINE
WAD-18IN/INV
W----WINTAIR
A-----AIR CONDITIONER
D----D FOR DUCTED,C FOR CASSETTE,V FOR FLOOR CEILING
18----18000 BTU
/INV---INVERTER MACHINE
1.4 Product Picture
Duct Type
Model WAD-18IN/INV WAD-24IN/INV
Indoor
Outdoor
Model WAD-36IN/INV WAD-48IN/INV

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 6
Indoor
Outdoor
Model WAD-18IN/INV1 WAD-24IN/INV1
Indoor
Outdoor

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 7
Model WAD-36IN/INV1
Indoor
Outdoor
Cassette Type
Model WAC-18IN/INV WAC-24IN/INV
Indoor
Outdoor
Model WAC-36IN/INV WAC-48IN/INV
WAC-60IN/INV

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 8
Indoor
Outdoor
Model WAC-18IN/INV1WAC-24IN/INV1
WAC-36IN/INV1
Indoor
Outdoor

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 9
Ceiling &Floor Type
Model WAV-18IN/INV1 WAV-24IN/INV1
Indoor
Outdoo
r
Model WAV-36IN/INV1 WAV-48IN/INV
WAV-60IN/INV

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 10
Indoor
Outdoo
r
DISPLAY PANEL:
Cassette Type
18k
24K，36K，48K，60K

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 11
Ceiling&Floor type

1
1. .GENERAL GENERAL
DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 12

2.
2. SPECIFICATIONS SPECIFICATIONS
15
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 15
2. Specifications
Duct Type
Indoor model WAD-18IN/INV1 WAD-24IN/INV1 WAD-36IN/INV1 WAD-18IN/INV WAD-24IN/INV WAD-36IN/INV WAD-48IN/INV WAD-60IN/INV
Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-24/INV WAW-36/INV WAW-48/INV WAW-60/INV
Power supply
Ph-V-H
z
220V-240V ~/50Hz 380V-415V，3N~/50Hz
Capacity
Cooling
kW 5 7 9.2 5 6.4 10 12.6 17
Btu/h 17,000 23,900 31,400 17,000 21,800 34,100 43,000 58,000
Heating
kW 5.6 8.1 11 5.6 7.25 11.5 15 20.5
Btu/h 19,100 27,600 37,500 19,100 24,700 39,200 51,200 70,000
Dehumidification L/h 1.4 1.8 2.4 1.4 1.8 2.4 3.3 4.5
Rated input
Cooling kW 1.5 2.3 3.05 1.552 1.99 3.11 3.92 5.295
Heating kW 1.6 2.65 3.25 1.55 2 3.19 4.15 5.65
Rated Current
Cooling A 6.8 10.2 13.9 6.9 8.9 13.5 7.5 10.8
Heating A 7.3 11.5 13.1 6.9 8.9 13.9 8 11.3
Max. input kW 2.5 3.6 5.1 2.58 3 5.23 6.2 9.38
Max.Current A 12 15.9 22.5 11.5 13.5 22.78 13 17.7
EER/COP 3.33/3.5 3.04/3.06 3.04/3.06 3.22/3.61 3.22/3.63 3.22/3.61 3.21/3.61 3.21/3.63
SEER/SCOP 6.11/4.01 6.11/4.01 6.11/4.01 /////
Cooling Energy Class A++ A++ A++ AAAAA
Heating Energy Class A+ A+ A+ AAAAA
Compressor
Model DA131S1B-28FZ DA230S2C-31MT DA250S2C-30MT DA130S1C-20FZ ATL165SD-C9AU DA250S2C-30MT TNB306FPNMC LNB42FSAMC
Type Rotary
Winding resistance Ω 0.55（20℃） 0.73 (at20℃) 055（20℃） 0.95（20℃） 0.59 0.95（20℃）
U-V:
2433;U-W :2433;
U-V:
2433;U-W :2433;
V-W: 2.304（at V-W: 2.304（at

2.
2. SPECIFICATIONS SPECIFICATIONS
16
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 16
Indoor model WAD-18IN/INV1 WAD-24IN/INV1 WAD-36IN/INV1 WAD-18IN/INV WAD-24IN/INV WAD-36IN/INV WAD-48IN/INV WAD-60IN/INV
Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-24/INV WAW-36/INV WAW-48/INV WAW-60/INV
25℃） 25℃）
Brand GMCC GMCC GMCC GMCC HIGHLY GMCC
MITSUBISHI
ELECTRIC
MITSUBISHI
ELECTRIC
Fan motor
Indoor Model
YSK110-40-4-A(
HS16)
SIC-70CW-F195-1 SIC-101CW-F1246-1
YSK110-40-4-A(
HS16)
Y6S419C56 Y7S423C024 Y7S423C032 Y7S423C032
Outdoor Model ARW4401QH
SIC-71FW-D8121-
1
SIC-71FW-D8121-1 YDK29-6I-22 YDK70-6H-3 YDK95-6-9043
YDK65-6-9024
YDK65-6-9061
YDK65-6-9024
YDK65-6-9061
Fan Indoor
type centrifugal fan
Speed
Hi/Med/Low
r.p.m
1130/850/950(10
Pa)
1000/910/810(30
Pa)
1060/980/900(30Pa
)
1130/850/950(10
Pa)
1070/990/860(50
Pa)
1150/1070/1020(
50Pa)
1250/1200/1100(
120Pa)
1250/1200/1100(
120Pa)
Fan speed Outdoor
type r.p.m tube-axial
Speed
Hi/Med/Low
r.p.m 0-810 0-810 0-810 900/750/500 840/780/560 800/640/540 700/600/500 700/600/500
Air circulation
Indoor Hi/Med/Low m³/h 850 1100 1800 850 1100 1700 2000 2000
Outdoor Hi/Med/Low m³/h -- -- -- -- -- -- -- --
Static Pressure(*Default Setting) Pa 10*/30
30*/(1~80
optional)
30*/(1~80
optional))
10*/30 50*/80 50*/80 80*/120 80*/120
Operating control Wireless Remote control-J1-05(E)
Dimensions
Indoor L×W×H mm 1170×447×190 900×720×270 1300×720×270 1170×447×190 900×720×270 1300×720×270 1300×800×350 1300×800×350
Outdoor L×W×H mm 900×300×640 950×340×840 950×340×840 800×260×570 900×300×640 940×340×840 950×340×1386 950×340×1386
Packing
Indoor L×W×H mm 1340×580×236 1170X340X870 1570X340X870 1340×580×236 1170X340X870 1570X340X870 1550X940X410 1550X940X410
Outdoor L×W×H mm 1050×400×700 1110×460×980 1110×460×980 950×365×645 1050×700×400 1110×460×980 1110×460×1530 1110×460×1530
Weight
Indoor Net/Gross kg 24/28 32/37 43/51 24/28 32/37 38/43 50/58 50/58
Outdoor Net/Gross kg 45/51 69/73 70/74 35.5/39 50/56 70/74 101/107 108/112
Noise lever Indoor Hi/Med/Low dB(A)
--/54(SOUND
POWER)
--/61(SOUND
POWER)
--/56(SOUND
POWER)
--/41 43/49 43/51 49/53 49/53

2.
2. SPECIFICATIONS SPECIFICATIONS
17
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 17
Indoor model WAD-18IN/INV1 WAD-24IN/INV1 WAD-36IN/INV1 WAD-18IN/INV WAD-24IN/INV WAD-36IN/INV WAD-48IN/INV WAD-60IN/INV
Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-24/INV WAW-36/INV WAW-48/INV WAW-60/INV
Outdoor Hi/Med/Low dB(A)
--/62(SOUND
POWER)
--/66(SOUND
POWER)
--/70(SOUND
POWER)
--/56 53/58 --/58 --/60 --/60
Refrigerant
piping
Gas/Liquid mm 12.7/6.35 15.88/9.52 15.88/9.52 12.7/6.35 15.88/9.52 15.88/9.52 19.05/9.52 19.05/9.52
Max. refrigerant pipe
length
m20 30 30 20 30 30 50 50
Max. difference in level m 10 20 20 10 15 15 30 30
Connection method Flare
Connection Power wiring mm23 core x1.5 3 core x2.5 3 core x2.5 3 core x1.5 3 core x2.5 3 core x2.5 5 core x2.5 5 core x2.5
wiring Signal wiring mm24core x0.75 4core x0.75 4core x0.75 4core x0.75 4core x0.75 4core x0.75 4core x0.75 4core x0.75
Refrigerant charge(R410a) kg 1.4 1.68 2.1 1.27 1.5 2.1 3 3.5
Throttle Type EEV EEV EEV EEV EEV EEV EEV EEV
Ambient temp ℃
Cooling -15～48 Cooling 15～43 Cooling -15～48
Heating -10～24 Heating -10～24 Heating -10～24
Cassette type
Indoor model WAC-18IN/INV1 WAC-24IN/INV1 WAC-36IN/INV1 WAC-18IN/INV WAC-24IN/INV WAC-36IN/INV WAC-48IN/INV WAC-60IN/INV
Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV
Power supply Ph-V-Hz 20V-240V ~/50Hz 380V-415V，3N~/50Hz

2.
2. SPECIFICATIONS SPECIFICATIONS
18
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 18
Indoor model WAC-18IN/INV1 WAC-24IN/INV1 WAC-36IN/INV1 WAC-18IN/INV WAC-24IN/INV WAC-36IN/INV WAC-48IN/INV WAC-60IN/INV
Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV
Capacity
Cooling
kW 5（1.2-6.5） 7.0（2.2-8.0） 9.5（3.6～10.5） 5 6.4 10 12 17
Btu/h
17,100(4,100-22
,200)
23,900
（7,500-27,300）
32,400
（12,300-35,800
）
17000 21800 34100 41000 58000
Heating
kW 5.6(1.8-7.2） 8.2（2.5-10）
11.0(3.05～
13.8)
5.6 7 11.5 15 20
Btu/h
19,100(6,100-24
,600)
28,000
（8,500-34,100）
37,500
（10,400-47,100
）
19100 23900 39200 51200 68200
Dehumidification L/h —— —— —— —— —— —— —— ——
Rated input
Cooling kW
1.49（0.40～
2.25）
2.3（0.40～3.6） 3.07(0.4～4.2) 1.552 1.91 3.07 3.72 5.095
Heating kW
1.75(0.38～
2.15)
2.73(0.38～3.6) 3.10(0.38～4.2) 1.55 1.92 3.15 3.95 5.45
Rated
Current
Cooling A 6.6 10.1 13.4 6.9 8.5 13.36 6.5 9.8
Heating A 7.8 12.2 13.5 6.89 8.5 13.76 7 10.3
Max. input
Cooling kW 2.5 3.6 4.25 2.421 2.92 4.55 5.32 8.5
Heating kW 2.5 3.6 4.25 2.581 2.72 4.85 5.92 9.1
Max.Current
Cooling A 12 15.5 20 9.9 13.1 19.83 10.7 10.7
Heating A 12 15.5 20 11.47 12.1 21.13 11.7 11.7
EER/COP 3.36/3.20 3.04/3.0 3.09/3.55 3.22/3.61 3.35/3.64 3.26/3.65 3.39/3.8 3.34/3.67
SEER/SCOP 6.11/4.01 6.11/4.01 6.11/4.01 / / / / /
Cooling Energy Class A++ A++ A++ A A A A A
Heating Energy Class A+ A+ A+ A A A A A
Compressor
Model DA131S1B-28FZ DA230S2C-31MT DA250S2C-30MT DA130S1C-20FZ ATL165SD-C9AU DA250S2C-30MT TNB306FPNMC LNB42FSAMC
Type Rotary

2.
2. SPECIFICATIONS SPECIFICATIONS
19
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 19
Indoor model WAC-18IN/INV1 WAC-24IN/INV1 WAC-36IN/INV1 WAC-18IN/INV WAC-24IN/INV WAC-36IN/INV WAC-48IN/INV WAC-60IN/INV
Outdoor model WAW-18/INV1 WAW-24/INV1 WAW-36/INV1 WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV WAW-18/INV
Winding resistance Ω 0.55（20℃） 0.73 (at20℃) 055（20℃） 0.95（20℃） 0.59 0.95（20℃）
U-V: 2433;U-W :2433;
U-V:
2433;U-W :2433;
V-W: 2.304（at 25℃）
V-W: 2.304（at
25℃）
Brand GMCC GMCC GMCC GMCC HIGHLY GMCC MITSUBISHI ELECTRIC
MITSUBISHI
ELECTRIC
Fan motor
Indoor Model EHDS50AQ ARW5901QH EHDS50AQH YDK95-28-4-B ARW5901QH EHDS50AQH SIC72FW-D8124-2B SIC72FW-D8124-2B
Outdoor Model ARW4401QH
SIC-71FW-D8121-
1
SIC-71FW-D8121-
1
YDK29-6I-22 YDK70-6H-3 YDK95-6-9043
YDK65-6-9024
YDK65-6-9061
YDK65-6-9024
YDK65-6-9061
Fan Indoor
type centrifugal fan
Speed
Hi/Med/Low
r.p.m 980/840/720 440/380/370 630/520/460 980/840/720 440/370/280 630/520/460 630/520/460 630/520/460
Fan speed Outdoor
type r.p.m tube-axial
Speed
Hi/Med/Low
r.p.m 0-810 0-810 0-810 900/750/500 840/780/560 800/640/540 700/600/500 700/600/500
Air
circulation
Indoor Hi/Med/Low m³/h 850 1100 1600 850 1100 1600 2000 2400
Outdoor Hi/Med/Low m³/h -- -- -- -- -- -- -- --
Static Pressure(*Default Setting) Pa 0 0 0 0 0 0 0 0
Operating control Wireless Remote control（J1-05)
Dimensions
Indoor L×W×H mm 650×570×270 840×840×248 840×840×248 650×570×270 840×840×248 840×840×248 840×840×298 840×840×298
Outdoor L×W×H mm 900×300×640 950×340×840 950×340×840 800×260×570 900×300×640 940×340×840 950×340×1386 950×340×1386
Panel L×W×H mm 650×650×30 950×950×37 950×950×37 650×650×30 950×950×37 950×950×37 950×950×37 950×950×37
Packing
Indoor L×W×H mm 770×750×310 930×930×290 930×930×290 770×750×310 930×930×290 930×930×290 930×930×340 930×930×340
Outdoor L×W×H mm 1050×400×700 1110×460×980 1110×460×980 940×360×640 1050×700×400 1110×460×980 1110×460×1530 1110×460×1530
Panel L×W×H mm 730×730×130 1010×990×95 1010×990×115 730×730×130 1010×990×95 1010×990×95 1010×990×95 1010×990×95
Weight Indoor Net/Gross kg 21/25.5 24/30 26/32 21/25.5 24/30 26/32 29/35 29/35