Airwell CAD024 User manual

YUD Series
Indoor Units Outdoor Units
CAD024 DBD024 FAD024 YUD024
CAD030 DBD030 FAD030 YUD030
CAD036 DBD036 FAD036 YUD036
CAD036 DBD036 FAD036 YUD036T
CAD042 YUD042
DBD048 FAD048 YUD048
DBD060 YUD060
REFRIGERANT
R410A HEAT PUMP
SM YUD 2-A.1 GB JAN - 2012
Version:2

LIST OF EFFECTIVE PAGES
SM YUD 1-A.1 GB
LIST OF EFFECTIVE PAGES
Note: Changes in the pages are indicated by a “Revision#” in the footer of each effected page
(when none indicates no changes in the relevant page). All pages in the following list represent
effected/ non effected pages divided by chapters.
Dates of issue for original and changed pages are:
Total number of pages in this publication is 117 consisting of the following:
Page
No.
Revision
No. #
Page
No.
Revision
No. #
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No.
Revision
No. #
* Zero in this column indicates an original page.

TABLE OF CONTENTS
SM YUD 2-A.1 GB
Table of Contents
1. INTRODUCTION............................................................................................................................. 1-1
2. PRODUCT DATA SHEET............................................................................................................... 2-1
3. RATING CONDITIONS ................................................................................................................... 3-1
4. OUTLINE DIMENSIONS................................................................................................................. 4-1
5. PERFORMANCE DATA ................................................................................................................. 5-1
6. AIRFLOW CURVES........................................................................................................................ 6-1
7. ELECTRICAL DATA....................................................................................................................... 7-1
8. WIRING DIAGRAMS ...................................................................................................................... 8-1
9. REFRIGERATION DIAGRAMS ...................................................................................................... 9-1
10. TUBING CONNECTIONS ............................................................................................................... 10-1
11. CONTROL SYSTEM....................................................................................................................... 11-1
12. TROUBLESHOOTING.................................................................................................................... 12-1
13. EXPLODED VIEWS AND SPARE PART LISTS............................................................................ 13-1
14. APPENDIX ...................................................................................................................................... 14-1

INTRODUCTION
SM YUD 2-A.1 GB 1-1
1. INTRODUCTION
1.1 General
The YUD/VUD series DC inverter is major designed for light commercial air-
conditioning needs with the DC inverter technology, this series of products
provides the most comfort and energy saving.
The outdoor can match following indoors:
-Indoor Floor/Ceiling DCI: 4 sizes including 24/30/36/48kBtu/h
-Indoor Cassette DCI: 4 sizes including 24/30/36/42kBtu/h
-Indoor Ducted DCI:5 sizes including 24/30/36/48/60kBtu/h
The outdoor unit has two options of 1 phase/3 phases:
1 Phase: 3 sizes including 24/30/36kBtu/h
3 Phase:4 sizes including 36/42/48/60kBtu/h
1.2 Main Features
•DCI R410A models
•Auto mode.
•Cooling
•Heating
•Dehumidification
•Sleep mode
•ON/OFF timer
•Auto swing (cassette and floor ceiling)
•4-dimension swing(cassette only )
•Intelligent deicing
•Memory from power failure
•Cold air prevention in heating
•Self diagnostic (Error indications) for ease of maintenance
•Outdoor -15 C for cooling

INTRODUCTION
1-2 SM YUD 2-A.1 GB
1.3 Indoor Unit
The CAD indoor unit is ceiling mounted, the FAD indoor unit is ceiling or floor mounted,
the DBD indoor unit is a low silhouette ducted unit and can be easily fitted to many
types of residential and commercials applications.
It includes:
•Coil with hydrophilic aluminum fins.
•Motorized flaps (step motors) for CAD and FAD
•Advanced electronic control box assembly
1.4 Filtration
The series presents air filters:
•Easily accessible, and re-usable pre-filters (mesh)
1.5 Control
The microprocessor indoor controller, and an infrared remote control and wired
controller, supplied as standard, provide complete operating function and programming.
For further details please refer to the Operation Manual, Appendix A.

INTRODUCTION
SM YUD 2-A.1 GB 1-3
1.6 Outdoor Unit
The outdoor units can be installed as floor or wall mounted units by using a wall
supporting bracket. The metal sheets are protected by anti- corrosion paint work
allowing long life resistance. All outdoor units are pre-charged. For further information
please refer to the Product Data Sheet, Chapter 2.
It includes :
•Compressor mounted in a soundproofed compartment :
•Axial fan.
•Outdoor coil with hydrophilic louver fins for RC units.
•Outlet air fan grill.
•Service valves” flare” type connection.
1.7 Tubing Connections
Flare type interconnecting tubing to be produced on site.
For further details please refer to the Installation Manual, Chapter 10.
1.8 Accessories
RCW3 Wall Mounted Remote Control
The RCW3 remote control is mounted on the wall, and controls the unit either as an
infrared remote control or as a wired controller. The wired controller can control up to
10 indoor units with the same program settings and adjustment.
For further details please refer to the Technical Service Manual.
1.9 Inbox Documentation
Each unit is supplied with its own installation and operation manuals.

INTRODUCTION
1-4 SM YUD 2-A.1 GB
1.10 Matching Table
INDOOR UNITS
AWSI-DBD024-N11 AWSI-DBD030-N11 AWSI-DBD036-N11 AWSI-DBD048-N11 AWSI-DBD060-N11
AWSI-CAD024-N11 AWSI-CAD030-N11 AWSI-CAD036-N11 AWSI-CAD042-N11
OUTDOOR
UNITS
AWSI-FAD024-N11 AWSI-FAD030-N11 AWSI-FAD036-N11 AWSI-FAD048-N11
AWAU-YUD024-H11
√
AWAU-YUD030-H11
√
AWAU-YUD036-H11
√
AWAU-YUD036-H13
√
AWAU-YUD042-H13
√
AWAU-YUD048-H13
√
AWAU-YUD060-H13
√

PRODUCT DATA SHEET
SM YUD 2-A.1 GB 2-1
2. PRODUCT DATA SHEET
2.1 AWSI-DBD024-N11 // AWAU-YUD024-H11
Model Indoor Unit AWSI-DBD024-N11
Model Outdoor Unit AWAU-YUD024-H11
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Btu/hr 22520(6820-26270) 24570(8190-27300)
Capacity (4) kW 6.6(2.0-7.7) 7.2(2.4-8.0)
Power input (4) kW 2.05 2.11
EER (Cooling) or COP(Heating) (4) W/W 3.22 3.41
Energy efficiency class A B
V 220-240
Ph 1
Power supply
Hz 50
Rated current A 9.2 9.5
Power factor 0.97 0.97
Prated (IDU) W 220
Prated (IDU+ODU) W 3600
Fan type & quantity Centrifugal fan-2
Fan speeds H/M/L RPM 1250/1220/1060
Air flow (1) H/M/L m3/hr 1500/1400/1250
External static pressure Min Pa 50(0-100)
Sound power level (2) H/M/L dB(A) 57/54/52
Sound pressure level(3) H/M/L dB(A) 47/44/42
Moisture removal l/hr 2.3
Condensate drain tube I.D mm 20
Dimensions WxHxD mm 1270×268×530
Net Weight kg 36
Package dimensions WxHxD mm 1345×283×594
INDOOR
Packaged weight kg 43
Refrigerant control EEV
Compressor type, model Twin Rotary, MITSUBISHI ELECTRIC
TNB220FLHMC
Fan type & quantity Axial fan-1
Fan speeds H RPM 840
Air flow H m3/hr 4200
Sound power level H dB(A) 69
Sound pressure level(3) H dB(A) 59
Dimensions WxHxD mm 980x790x427
Net Weight kg 65
Package dimensions WxHxD mm 1083×855×488
Packaged weight kg 70
Refrigerant type R410A
Standard charge kg(5m) 2.4
Additional charge g/m 60
Liquid line In.(mm) 3/8"(9.53)
Suction line In.(mm) 5/8"(15.88)
Max.tubing length m. Max. 30
OUTDOOR
Connections between
units
Max.height difference m. Max. 15
Operation control type Remote control
Heating elements (Option) kW
Others
(1)Airflow in ducted units; at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).

PRODUCT DATA SHEET
2-2 SM YUD 2-A.1 GB
2.2 AWSI-CAD024-N11 // AWAU-YUD024-H11
Model Indoor Unit AWSI-CAD024-N11
Model Outdoor Unit AWAU-YUD024-H11
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Btu/hr 23880(8190-27300) 27980(10580-32070)
Capacity (4) kW 7.0(2.4-8.0) 8.2
Power input (4) kW 2.18 2.4(0.74-2.5)
EER (Cooling) or COP(Heating) (4) W/W 3.21 3.42
Energy efficiency class A B
V 220-240
Ph 1
Power supply
Hz 50
Rated current A 9.8 10.8
Power factor 0.97 0.97
Prated (IDU) W 150
Prated (IDU+ODU) W 3600
Fan type & quantity Centrifugal fan -1
Fan speeds H/M/L RPM 670/620/570
Air flow (1) H/M/L m3/hr 1400/1270/1170
External static
pressure Min Pa 0
Sound power level (2) H/M/L dB(A) 61/59/58
Sound pressure
level(3) H/M/L dB(A) 51/49/48
Moisture removal l/hr 2.5
Condensate drain tube I.D mm 32
Dimensions WxHxD mm 840×240×840
Net Weight kg 28
Package dimensions WxHxD mm 960×310×960
INDOOR
Packaged weight kg 36
Refrigerant control EEV
Compressor type, model Twin Rotary, MITSUBISHI ELECTRIC
TNB220FLHMC
Fan type & quantity Axial fan-1
Fan speeds H RPM 840
Air flow H m3/hr 4200
Sound power level H dB(A) 69
Sound pressure
level(3) H dB(A) 59
Dimensions WxHxD mm 980x790x427
Net Weight kg 65
Package dimensions WxHxD mm 1083×855×488
Packaged weight kg 70
Refrigerant type R410A
Standard charge kg(5m) 2.4
Additional charge g/m 60
Liquid line In.(mm) 3/8"(9.53)
Suction line In.(mm) 5/8"(15.88)
Max.tubing length m. Max. 30
OUTDOOR
Connections
between units
Max.height difference m. Max. 15
Operation control type Remote control
Heating elements (Option) kW
Others
(1)Airflow in ducted units; at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).

PRODUCT DATA SHEET
2.3 AWSI-FAD024-N11 // AWAU-YUD024-H11
SM YUD 2-A.1 GB 2-3
Model Indoor Unit AWSI-FAD024-N11
Model Outdoor Unit AWAU-YUD024-H11
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Btu/hr 22520(10240-26610) 25930(8190-29000)
Capacity (4) kW 6.6(3.0-7.8) 7.6(2.4-8.5)
Power input (4) kW 2.05 2.2
EER (Cooling) or COP(Heating) (4) W/W 3.22 3.45
Energy efficiency class A B
V 220-240
Ph 1
Power supply
Hz 50
Rated current A 9.7 10.1
Power factor 0.97 0.97
Prated (IDU) W 125
Prated (IDU+ODU) W 3600
Fan type & quantity Centrifugal fan-4
Fan speeds H/M/L RPM 1200/1000/880
Air flow (1) H/M/L m3/hr 1200/1000/880
External static pressure Min Pa 0
Sound power level (2) H/M/L dB(A) 62/59/56
Sound pressure level(3) H/M/L dB(A) 52/49/46
Moisture removal l/hr 2.5
Condensate drain tube I.D mm 17
Dimensions WxHxD mm 1220x700x225
Net Weight kg 43
Package dimensions WxHxD mm 1343x315x823
INDOOR
Packaged weight kg 52
Refrigerant control EEV
Compressor type, model Twin Rotary, MITSUBISHI ELECTRIC
TNB220FLHMC
Fan type & quantity Axial fan-1
Fan speeds H RPM 840
Air flow H m3/hr 4200
Sound power level H dB(A) 69
Sound pressure level(3) H dB(A) 59
Dimensions WxHxD mm 980x790x427
Net Weight kg 65
Package dimensions WxHxD mm 1083×855×488
Packaged weight kg 70
Refrigerant type R410A
Standard charge kg(5m) 2.4
Additional charge g/m 60
Liquid line In.(mm) 3/8"(9.53)
Suction line In.(mm) 5/8"(15.88)
Max.tubing length m. Max. 30
OUTDOOR
Connections
between units
Max.height difference m. Max. 15
Operation control type Remote control
Heating elements (Option) kW
Others
(1)Airflow in ducted units; at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).