Four-way Cassette Type

Duct Type

Duct Type

1. Features ......................................................................................................... 28

2. Dimensions .................................................................................................... 31

3. Service Space ................................................................................................ 32

4. Wiring Diagrams ............................................................................................ 33

5. Static Pressure .............................................................................................. 35

6. Electric Characteristics ................................................................................ 37

7. Sound Levels ................................................................................................. 38

8. Accessories ................................................................................................... 39

9. The Specification of Power .......................................................................... 40

10. Field Wiring .................................................................................................. 41

Duct Type 27

Features

1. Features

1.1 Installation accessories: (Optional)

Ø Front Board, Canvas Air Passage, Filter, Panel, for easy installation

Front Board

Canvas Air Passage Filter Panel

1.2 Easy Installation: Two air inlet styles (Bottom side or Rear side)

Ø Air inlet from rear is standard for all capacity; air inlet from bottom is optional.

Ø The size of air inlet frame from rear and bottom is same, it ’s very easy to move the cover from bottom to rear side, or from rear to the bottom, in order to matching the installation condition.

Air intake from rear (Standard) Air intake from bottom (Optional)

1.3 Fresh air intake function

Ø Install one duct from the reserved fresh-air intake to outdoor.

Continually inhale the fresh air to improve the quality of the indoor air, fulfills air quality more healthy and comfortable.

1.4 Easy maintenance

Ø Clean the filter (Optional, standard product without filter)

It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or bottom side.

28 Duct Type

Features

Ø Replace the motor or centrifugal fan

Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily.

Motor

Blower Housing

Ventilated Panel

1.5 Reserved remote on-off and central control ports

Ø Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a central controller to realize remote on-off control function or group control function.

Remote on-off ports Central control ports

1.6 Built-in drain pump (Optional):

Ø Built-in drain pump can lift the water to 750mm upmost. It ’s convenient to install drainage piping under most space condition.

Duct Type 29

Features

30

1.7 Built-in display board

Ø The standard indoor unit can be controlled by wired controller.

Ø There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even in the distance of 10m. The unit will realized remoter control.

Ø The wired controller and the display board can display the error code or production code when the chips detect some failure.

Wired Controller (Standard)

Remote Controller (Optional)

Display

Duct Type

2. Dimensions

E F

A

D

C

Dimensions

L

Capacity

Outline dimension(mm) Air outlet opening size Air return opening size

(KBtu)

A B C D E F G H I J K

12

18

700 210 635 570 65 493 35 119 595 200

920 210 635 570 65 713 35 119 815 200

24 920 270 635 570 65 713 35 179 815 260

30/36 1140 270 775 710 65 933 35 179 1035 260

48/60 1200 300 865 800 80 968 40 204 1094 288

80

80

20

20

45

Size of outline dimension mounted plug

L M

740

960

960

1180

1240

350

350

350

490

500

Duct Type 31

Service Space

3. Service Space

Ensure enough space required for installation and maintenance.

32

All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following:

Duct Type

4. Wiring Diagrams

MTB1-12HWDN1-Q

Wiring Diagrams

MTB-18HWDN1-Q 、MTB-24HWDN1-Q、MTB-30HWDN1-Q

Duct Type 33

Wiring Diagrams

MTB-36HWDN1-Q MTB-48HWDN1-Q MTB-60HWDN1-R

34 Duct Type

70

60

50

20

10

40

30

Pa

90

80

40

30

20

10

0

60

50

80

70

Pa

90

5. Static Pressure

12,000Btu/h 18,000Btu/h

Super high speed

High speed

Mid speed

Low speed

40

30

20

10

70

60

50

Pa

90

80

Mid speed

Low speed

300 400 500 600 700 800

Air volume(m

3

/h)

900

High speed

Static Pressure

Super high speed

200

300 400 500 600 700 800 900 1000 1100

Air volume(m /h)

1200

24,000Btu/h 36,000Btu/h

36K

Pa

Super high speed

High speed

Mid speed

Low speed

70

60

50

40

30

20

10

90

80

Super high speed

High speed

Mid speed

Low speed

700

800 900 1000 1100

Air volume(m /h)

1200 1300 1400 1500

1100 1200 1400 1600 1800 2000

Air volume(m /h)

2200 2400

Duct Type 35

Static Pressure

Pa

120

110

100

30

20

50

40

10

70

60

90

80

48,000Btu/h 60,000Btu/h

48K

Pa

120

Super high speed

High speed

Mid speed

Low speed

110

100

90

80

70

60

50

40

30

20

10

Super high speed

High speed

Mid speed

Low speed

1000 1300 1600 1900 2200

Air volume(m

3

/h)

2500 2800 3100

1000 1300 1600 1900

2200 2500

Air volume(m /h)

2800

3100 3400

36 Duct Type

6. Electric Characteristics

Model

MTB1-12HWDN1-Q

MTB-18HWDN1-Q

MTB-24HWDN1-Q

MTB-30HWDN1-Q

MTB-36HWDN1-Q

MTB-48HWDN1-Q

50

50

MTB-60HWDN1-R

Notes:

MFA: Max. Fuse Amps. (A)

50

Hz

50

50

50

50

Electric Characteristics

Indoor Unit

Voltage Min.

220-240

220-240

220-240

220-240

198

198

198

198

220-240

220-240

220-240

198

198

198

Max.

254

254

254

254

254

254

254

Power Supply

MFA

15

15

15

15

15

15

15

Duct Type 37

Sound Levels

7. Sound Levels

Concealed Duct Type

Discharge

Duct

Suction

Duct

Model

MTB1-12HWDN1-Q

MTB-18HWDN1-Q

MTB-24HWDN1-Q

MTB-30HWDN1-Q

MTB-36HWDN1-Q

MTB-48HWDN1-Q

MTB-60HWDN1-R

1.4m

46

46

47

47

H

37

44

45

Microphone

Noise level dB(A)

M

30

36

43

44

44

41

45

42

42

37

43

L

26

33

41

38 Duct Type

8.

Accessories

Tubing & Fittings

Drainpipe Fittings

(for cooling & heating)

Wired controller & Its Frame

Others

EMS & It

’s fitting

Name

Soundproof / insulation sheath

Binding tape

Seal sponge

Drain joint

Seal ring

Wired controller

Owner

， s manual

Installation manual

Magnetic ring (twist the electric wires L and N around it to five circles)

Accessories

Shape Quantity

2

1

1

1

1

1

1

1

1

Duct Type 39

The Specification of Power

9. The Specification of Power

Model 12000Btu/h 18000-30000Btu/h

36000-60000

Btu/h

1-phase

30000-60000

Btu/h

1-phase

INDOOR UNIT

POWER

Phase

Frequency and

Voltage

POWER WIRING

(mm

2

)

CIRCUIT BREAKER

(A)

Phase

OUTDOOR UNIT

POWER

Frequency and

Voltage

POWER WIRING

(mm

2

)

CIRCUIT BREAKER

(A)

Indoor/Outdoor Connecting Wiring

2

(Weak Electric Signal) (mm )

Indoor/Outdoor Connecting Wiring

(Strong Electric Signal) (mm

2

)

1-phase

220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz

3

4

×1.5

15

×1.5

1-phase

3

3

3

×1.0

15

1-phase

220-240V, 50Hz

×2.5

30

×0.5

3

3

3

×1.0

15

1-phase

220-240V, 50Hz

×4.0

40

×0.5

3

3-phase

380-420V, 50Hz

5

3

×1.0

15

×2.5

40

×0.5

40 Duct Type

10. Field Wiring

Field Wiring

Duct Type 41

Field Wiring

Air-conditioner link-circuit.

For model 12

For model 18-60

42 Duct Type