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PAC366FC-I,PAC486FC-I,PAC606FC-I
PAC366FC-O,PAC486FC-O,PAC606FC-O,
PAC247C-I,PAC367C-I,PAC487C-I
PAC247C-O,PAC367C-O,PAC487C-O

MLCAC-UTSM-2011-02 Contents
Contents i
Part 1 General Information..........................................................1
Part 2 Indoor Units.......................................................................5
Part 3 Outdoor Units..................................................................31
Part 4 Installation.......................................................................49
Part 5 Control.............................................................................60
※
※※
※ The specifications, designs, and information in this book are subject to change without notice for
product improvement.

MLCAC-UTSM-2011-02 General Information
General Information 1
Part 1
General Information
1. Model Names of Indoor/Outdoor Units ..........................2
2. External Appearance .......................................................3
2.1 Indoor Units ................................................................................. 3
2.2 Outdoor Units .............................................................................. 3
3. Nomenclature...................................................................3
4. Features............................................................................4

Model Names of Indoor/Outdoor Units MLCAC-UTSM-2011-02
2 General Information
1. Model Names of Indoor/Outdoor Units
1.1 Ceiling & Floor Indoor Units
Indoor units model
Capacity
(Btu/h)
Matched outdoor
units model Power supply Compressor model
Compressor
brand
Cooling Only
PAC366FC-I 36000 PAC366FC-O 220-230V 60Hz 1Ph C-R221H6R Sanyo
PAC486FC-I 48000 PAC486FC-O 220-230V 60Hz 1Ph C-SB301H6B Sanyo
PAC606FC-I 60000 PAC606FC-O 220-230V 60Hz 1Ph C-SB351H6A Sanyo
1.2 Four-way Cassette Indoor Unit
Indoor units model
Capacity
(Btu/h)
Matched outdoor
units model Power supply Compressor model Compressor brand
Cooling Only
PAC247C-I 24000 PAC247C-O 220-230V 60Hz 1Ph
PH361X3CS-3KUU GMCC
PAC367C-I 36000 PAC367C-O 220-230V 60Hz 1Ph
C-R221H6R Sanyo
PAC487C-I 48000 PAC487C-O 220V~ 60Hz 3Ph C-SB303H6B Sanyo

Features MLCAC-UTSM-2011-02
4 General Information
3. Features
New condensing unit-2nd generation is an upgraded series compared with 1st generation
condensing unit. This news series has below outstanding improvements and features.
1. Elegant appearance (Various appearance to choose), Customer can choose 3 colors: GREY, SILVER
GREY, CHAMPAGNE & choose 3 supporting cover: PLASTIC, IRON, STEEL
2. Much better performance and efficiency
3.Compact body with more competitive loading capacity.
4.Reliable and well-know compressors .
5. 24V control start-up, safety.
6. We adapt throttle device adopts piston installed in indoor unit, easy to maintain.
7. Easy to install the unit.
8. Match ceiling and floor and air handler indoor unit

MLCAC-UTSM-2011-02 Features
General Information 5
Part 2
Indoor Units
Four-way Cassette Type......................................................6
Ceiling & Floor Type ..........................................................20

Four-way Cassette Type MLCAC-UTSM-2010-06
6 Four-way Cassette Type
Four-way Cassette Type
1. Features............................................................................8
2. Dimensions ....................................................................11
3. Service Space.................................................................12
4. Wiring Diagrams ............................................................13
5. Electric Characteristics.................................................15
6. Sound Levels .................................................................15
7. Accessories....................................................................16
8. The Specification of Power ...........................................17
9. Field Wiring ....................................................................19

Features MLCAC-UTSM-2011-02
8 Four-way Cassette
1. Features
(1) Low operation noise
—Streamline plate ensures quietness
—Creates natural and comfortable environment
(2) Efficient cooling——Equal, fast and wide range cooling
(3) Excellent performance. The optimal evaporator & sufficient airflow volume guarantees the excellent
capacity
(4) The adoption of the most advanced 3- Dimensional Screw fan
—Reduces the air resistance passing through
—Smoothes the air flow
—Makes air speed distribution to the heat exchange uniform
(5) Fresh air makes life healthier and more comfortable.
(6) Drainage pump can take up the condenser water to750mm.
(7) Ultra thin machine body to easy installation and maintenance. 18K~24K:230mm, 36~48K:300mm.

MLCAC-UTSM-2011-02 Features
Four-way Cassette 9
(8) Different color panels for choose: White 、 Gray 、 Blue 、 Black
(9) Swing angle of louver
1) Add one more swing motor, one motor driving two louvers. Controlling the interspace of each part,
minimizing the angle loss.
2) The swing angle of the first louver are 40~42 degrees and the second louver are 37~38 degrees.
New evaporator and inner configuration designed can acquire high heat-exchanger effect.
(10) More strengthening rib design around the panel, preventing the distortion for the panel.
(11) New outlet frame design to make the phenomena of coagulation great improvement: prevent the
condensing water from damaging the air guide strip.
(12) Adding rib on the panel of fan outlet, which can avoid the air outlet direct flow to people.
(13) 4 speeds available, optional super high fan speed design suitable for the large building over 3m high.
(14) Adding digital tube displaying on the display board. LED can display the Error Code to make the
malfunction checking easier.

Features MLCAC-UTSM-2011-02
10 Four-way Cassette
(15) Reserve spaces for air side-outlet, it is available to connect duct pipe hence air supplying from the four
sides to nearby small room..
(16) Optimal design, smaller Control Box, Space saving and convenient for wiring,
Using fire resistance galvanized steel for E-box material. Metal box make the control part more stable
and prevent damaging
(17) New Panel for optional: 360 degree air-outlet

MLCAC-UTSM-2011-02 Dimensions
Four-way Cassette 11
2. Dimensions
PAC247C-I
4-install hanger
Gas side
Liquid side
E-parts box
Pump inspect hole
Drain hole
PAC367C-I PAC487C-I
4-install hanger
Gas side
Liquid side
E-parts box
Pump inspect hole
Drain hole

Service Space MLCAC-UTSM-2011-02
12 Four-way Cassette
3. Service Space
>1000mm
>1000mm
>1000mm
> 1000mm

MLCAC-UTSM-2011-02 Wiring Diagrams
Four-way Cassette 13
4. Wiring Diagrams
PAC247C-I, PAC367C-I

Wiring Diagrams MLCAC-UTSM-2011-02
14 Four-way Cassette
PAC487C-I

MLCAC-UTSM-2011-02 Sound Levels
Four-way Cassette 15
Electric Characteristics
Indoor Unit Power Supply
Model Hz Voltage Min. Max. MCA MFA
PAC247C-I 60 220-230V 198V 242V 0.66 10
PAC367C-I 60 220-230V 198V 242V 1.0 10
PAC487C-I 60 220V 198V 242V 1.31 10
Remark:
MCA: Min. Current Amps. (A)
MFA: Max. Fuse Amps. (A)
5. Sound Levels
1.0m
FOUR-WAY CASSETTE TYPE
Microphone
Noise level dB(A)
Model H M L
PAC247C-I 48 43 41
PAC367C-I 55 48 43
PAC487C-I 55 45 41

Accessories MLCAC-UTSM-2011-02
16 Four-way Cassette
6. Accessories
Name Shape Quantity
INSTALLATION FITTINGS Installation paper board 1
Soundproof / insulation sheath 2
Tubing & Fittings
Connecting pipe group 1
Out-let pipe sheath 1
Out-let pipe clasp 1
Drain joint 1
Drainpipe Fittings
Seal ring 1
Remote controller & Its Frame 1
Remote controller holder 1
Mounting screw(ST2.9×10-C-H) 2
Remote controller & Its
Frame
Alkaline dry batteries (AM4) 2
Owner's manual 1
Others Installation manual 1
Expansible hook 4
Installation hook 4
Installation accessory
(The product you have
might not be provided the
following accessories Orifice 1

MLCAC-UTSM-2011-02 The Specification of Power
Four-way Cassette 17
7. The Specification of Power
For 220V~230V 60Hz 1PH Outdoor unit type
Type （ Cooling & Heating ） 18000 24000 36000
Phase 1- Phase 1- Phase 1- Phase
Indoor unit Frequency and Voltage
220-230V~, 60Hz 220-230V~, 60Hz 220-230V~, 60Hz
Phase 1- Phase 1- Phase 1- Phase
Power
Outdoor unit Frequency and Voltage
220V~, 60Hz 220V~, 60Hz 220V~, 60Hz
Indoor Circuit Breaker/ Fuse (A) 15/10 15/10 15/10
Outdoor Circuit Breaker/ Fuse (A) 30/25 30/25 35/30
Indoor Unit Power Wiring (mm2) 3x2.5 3x2.5 3x2.5
Ground Wiring 2.5 3.3 3.3
Outdoor Unit Power
Wiring 3x2.5 3x3.3 3x3.3
Indoor/Outdoor Connecting
Wiring (mm2)
Weak Electric Signal 4x1.0Z 4x1.0 4x1.0
Type （ Cooling only ） 18000 24000 36000
Phase 1- Phase 1- Phase 1- Phase
Indoor unit Frequency and Voltage
220-230V~, 60Hz 220-230V~, 60Hz 220-230V~, 60Hz
Phase 1- Phase 1- Phase 1- Phase
Power
Outdoor unit Frequency and Voltage
220V~, 60Hz 220V~, 60Hz 220V~, 60Hz
Indoor Circuit Breaker/ Fuse (A) 15/10 15/10 15/10
Outdoor Circuit Breaker/ Fuse (A) 30/25 30/25 35/30
Indoor Unit Power Wiring (mm2) 3x2.5 3x2.5 3x2.5
Ground Wiring 2.5 3.3 3.3
Outdoor Unit Power
Wiring 3x2.5 3x3.3 3x3.3
Indoor/Outdoor Connecting
Wiring (mm2)
Weak Electric Signal 2x1.0 2x1.0 2x1.0
For 220V 60Hz 3PH Outdoor unit type
Type(Cooling only) 36000 48000
Phase 1- Phase 1- Phase
Indoor unit Frequency and Voltage 220-230V~, 60Hz 220-230V~, 60Hz
Phase 3- Phase 3- Phase
Power
Outdoor unit Frequency and Voltage 220V~, 60Hz 220V~, 60Hz
Indoor Circuit Breaker/ Fuse (A) 15/10 15/10
Outdoor Circuit Breaker/ Fuse (A) 35/30 40/35
Indoor Unit Power Wiring (mm2) 3x1.5 3x1.5
Ground Wiring 2.5 4.0
Outdoor Unit Power Wiring 3x2.5 3x4.0
Indoor/Outdoor Connecting
Wiring (mm2)
Weak Electric Signal 2x1.0 2x1.0
Type(Cooling & Heating) 36000 48000
Phase 1- Phase 1- Phase
Indoor unit Frequency and Voltage 220-230V~, 60Hz 220-230V~, 60Hz
Phase 3- Phase 3- Phase
Power
Outdoor unit Frequency and Voltage 220V~, 60Hz 220V~, 60Hz
Indoor Circuit Breaker/ Fuse (A) 15/10 15/10
Outdoor Circuit Breaker/ Fuse (A) 35/30 40/35
Indoor Unit Power Wiring (mm2) 3x1.5 3x1.5
Ground Wiring 2.5 4.0
Outdoor Unit Power Wiring 3x2.5 3x4.0
Indoor/Outdoor Connecting
Wiring (mm2)
Weak Electric Signal 4x1.0 4x1.0

The Specification of Power MLCAC-UTSM-2011-02
18 Four-way Cassette
For 380V~420V 60Hz 3PH Outdoor unit type
Type(Cooling only) 36000 48000
Phase 1- Phase 1- Phase
Indoor unit Frequency and Voltage 220-230V~, 60Hz 220-230V~, 60Hz
Phase 3- Phase 3- Phase
Power
Outdoor unit Frequency and Voltage 380V~420V, 60Hz 380V~420V, 60Hz
Indoor Circuit Breaker/ Fuse (A) 15/10 15/10
Outdoor Circuit Breaker/ Fuse (A) 35/30 40/35
Indoor Unit Power Wiring (mm2) 3x1.5 3x1.5
Ground Wiring 2.0 2.5
Outdoor Unit Power Wiring 3x2.0 3x2.5
Indoor/Outdoor Connecting
Wiring (mm2)
Weak Electric Signal 2x1.0 2x1.0
Type(Cooling & Heating) 36000 48000
Phase 1- Phase 1- Phase
Indoor unit Frequency and Voltage 220-230V~, 60Hz 220-230V~, 60Hz
Phase 3- Phase 3- Phase
Power
Outdoor unit Frequency and Voltage 380V~420V, 60Hz 380V~420V, 60Hz
Indoor Circuit Breaker/ Fuse (A) 15/10 15/10
Outdoor Circuit Breaker/ Fuse (A) 35/30 40/35
Indoor Unit Power Wiring (mm2) 3x1.5 3x1.5
Ground Wiring 2.0 2.5
Outdoor Unit Power Wiring 3x2.0 3x2.5
Indoor/Outdoor Connecting
Wiring (mm2)
Weak Electric Signal 4x1.0 4x1.0