Mundoclima CL23330 Manuel utilisateur

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MVD

Cassette 4 Ways Compact MVD DC

Service manual

English

CL23330 to CL23333

1. Features .............................................................................................2

2. Specifications....................................................................................3

3. Dimensions........................................................................................6

4. Service Spaces..................................................................................7

5. Piping Diagrams (EXV beside).........................................................8

6. Wiring Diagrams................................................................................9

7. Capacity Tables ...............................................................................10

8. Electrical Characteristics ...............................................................15

9. Sound Levels...................................................................................16

10. Accessories ...................................................................................18

Content

Service manual

MVD DC Indoor units

1. Features

(1) Low operation noise, quiet design for user comfort

---Streamline plate ensures quietness

---Creates natural and comfortable environment

(2) Efficient cooling

---Equal, fast and wide—range cooling

(3) The adoption of the most advanced 3-dimensional centrifugal fan

---Reduces the air resistance passing through and operating sound.

---Smooths air flow

---Makes air speed distribution to the heat exchange uniform.

(4) Improvement for easy installation and maintenance

---Little space is required for installation into a shallow ceiling,

---Extremely compact casing (22-7/16in (570mm)in width and depth) enables unit to fit flush into ceilings

and match standard architectural modules

---Because of the compactness and weight reduction of the main unit and panel, all models can be

installed without a hoist.

(5) 360°Air Flow Panel

---3600air outlet makes equal, fast and wide range cooling

(6)Optimal design, smaller Control Box, Space saving and convenient for wiring,

Using fire resistance galvanized steel for E-box material. Metal box makes the control part more stable and

preventsdamaging

(7) Drain up pump with 19-11/16 in. (500mm) lift fitted as standard, max. up to 23-5/8 in (600mm) head

which can be customized.

22-7/16in

(570mm)

10-1/4in

(260mm)

19-11/16 in.

(500mm)

Service manual

MVD DC Indoor units

(7) Adopting DC fan motor.

(7.1)Efficiency can be up to 90%. Contrast with the AC fan motor, the power consumption of DC fan motor can

reduce up to 30%.

(7.2)The motor adopts fully enclosed structure design. The motor bearing can operate 80,000 hours

continuously and easy for maintenance.

(7.3)Thanks to the DC fan motor, this wall-mounted indoor unit can meet the latest CE certification

requirements.

Service manual

MVD DC Indoor units

2. Specifications

Model

Power supply

V-ph-Hz

220-240V~1Ph~50/60Hz

Cooling

Capacity

1.5

2.2

2.8

Btu/h

5100

7500

9600

Input

Rated current

0.23

0.26

Heating

Capacity

1.7

2.4

3.2

Btu/h

5800

8200

10900

Input

Rated current

0.23

0.26

Indoor fan

motor

Model

WZDK37-38G

Type

DC Motor

Input

16.4

19.5

Speed(H/M/L)

r/min

580/490/400

640/530/440

Indoor coil

Number of rows

Tube pitch(a)x row pitch(b)

in.(mm)

13/16×17/32(21×13.37)

Fin spacing

in.(mm)

1/16(1.5)

Fin type (code)

Hydrophilic aluminium

Tube outside dia. and type

in.(mm) 1/4(Ф6.35)

1/4(Ф6.35)

Inner groove tube

Coil length x height x width

in.(mm)

51-9/16×8-9/32×17/32(1310×210×13.37)

Number of circuits

Indoor air flow (H/M/L)

m3/h

526/449/364

576/503/405

CFM

309/264/214

339/296/238

Sound level (sound pressure)

dB(A)

33/32/21

34/32/22

Indoor unit

Dimension (W×H×D)

in.(mm)

22-7/16×10-15/64×22-7/16(570×260×570)

Packing (W×H×D)

in.(mm)

26-9/16×11-7/32×26-9/16(675×285×675)

Net/Gross weight

lbs. (kg)

35.3/48.5(16/22)

Panel

Dimension (W×H×D)

in.(mm)

25-15/32×1-31/32×25-15/32(647×50×647)

Packing (W×H×D)

in.(mm)

28-5/32×4-27/32×28-5/32(715×113×715)

Net/Gross weight

lbs. (kg)

6.6/11(3/5)

Refrigerant

Type

R410a

Throttle

Electrical expansive valve

Design pressure(H/L)

MPa

4.4/2.6

Refrigerant

piping

Liquid side

in.(mm)

1/4(Ф6.35)

Gas side

in.(mm)

1/2(Ф12.7)

Connection

wiring

Power wiring

mm2

3×2.0

Signal wiring

mm2

3×0.5（3-core shielded wire）

Drainage water pipe diameter

in.(mm)

OD 63/64 (Ф25)

controller

Wireless remote controller (RM05/BG(T)E-A) (Standard)

Notes:

1. Nominal cooling capacities are based on the following conditions: return air temperature: 80.6℉(27℃)DB,66.2℉(19℃)WB,

and outdoor temperature: 95℉(35℃)DB, equivalent ref. piping: 26.25ft(8m) (horizontal)

2. Nominal heating capacities are based on the following conditions: return air temperature: 68℉(20℃)DB, outdoor temperature:

44.6℉(7℃)DB,42.8℉(6℃)WB, and equivalent ref. Piping: 26.25ft(8m)(horizontal)

MVD-15Q4/DHN1-A3 MVD-22Q4/DHN1-A3 MVD-28Q4/DHN1-A3

Service manual

MVD DC Indoor units

Model

Power supply

V-ph-Hz

220-240V~1Ph~50/60Hz

Cooling

Capacity

3.6

4.5

Btu/h

12300

15400

Input

Rated current

0.28

Heating

Capacity

Btu/h

13600

17100

Input

Rated current

0.28

Indoor fan

motor

Model

WZDK37-38G

Type

DC Motor

Input

23.6

Speed(H/M/L)

r/min 700/570/450

700/570/450

Indoor coil

Number of rows

Tube pitch(a)x row pitch(b)

in.(mm) 13/16×17/32(21×13.37)

13/16×17/32(21×13.37)

Fin spacing

in.(mm) 1/16(1.5)

1/16(1.5)

Fin type (code)

Hydrophilic aluminium

Tube outside dia. and type

in.(mm) 1/4(Ф6.35)

1/4(Ф6.35)

Inner groove tube

Coil length x height x width

in.(mm) 51-9/16×8-9/32×1-1/16(1310×210×26.74)

Number of circuits

Indoor air flow (H/M/L)

m3/h 604/516/400

604/516/400

CFM

336/304/235

Sound level (sound pressure)

dB(A)

40/34/27

Indoor unit

Dimension (W×H×D)

in.(mm)

22-7/16×10-15/64×22-7/16(570×260×570)

Packing (W×H×D)

in.(mm)

26-9/16×11-7/32×26-9/16(675×285×675)

Net/Gross weight

lbs. (kg)

38.6/51.8(17.5/23.5)

Panel

Dimension (W×H×D)

in.(mm)

25-15/32×1-31/32×25-15/32(647×50×647)

Packing (W×H×D)

in.(mm)

28-5/32×4-27/32×28-5/32(715×113×715)

Net/Gross weight

lbs. (kg)

6.6/11(3/5)

Refrigerant

Type

R410a

Throttle

Electrical expansive valve

Design pressure(H/L)

MPa

4.4/2.6

Refrigerant

piping

Liquid side

in.(mm)

1/4(Ф6.35)

Gas side

in.(mm)

1/2(Ф12.7)

Connection

wiring

Power wiring

mm2

3×2.0

Signal wiring

mm2

3×0.5（3-core shielded wire）

Drainage water pipe diameter

in.(mm)

OD 63/64 (Ф25)

controller

Wireless remote controller (RM05/BG(T)E-A) (Standard)

Notes:

1. Nominal cooling capacities are based on the following conditions: return air temperature: 80.6℉(27℃)DB,66.2℉(19℃)WB,

and outdoor temperature: 95℉(35℃)DB, equivalent ref. piping: 26.25ft(8m) (horizontal)

2. Nominal heating capacities are based on the following conditions: return air temperature: 68℉(20℃)DB, outdoor temperature:

44.6℉(7℃)DB,42.8℉(6℃)WB, and equivalent ref. Piping: 26.25ft(8m)(horizontal)

MVD-36Q4/DHN1-A3 MVD-45Q4/DHN1-A3

Service manual

MVD DC Indoor units

3. Dimensions

Unit: in(mm)

0-19/32(523)(Hook-location)

22-7/16(570)(Body)

25-15/32(647)(Panel)

Drain side

Unit: in(mm)

21-15/32(545)(Hook-location)

22-7/16(570)(Body)

25-15/32(647)(Panel)

2-3/8(60)

Ceiling Panel

Hook

10-1/4(260)

Nut

Body

23-3/8(600)

1-31/32(50)

Service manual

MVD DC Indoor units

4. Service Spaces

1) There is enough room for installation and maintenance.

2) The ceiling is horizontal, and its structure can endure the weight of the indoor unit.

3) The outlet and the inlet are not impeded, and the influence of external air is the least.

4) The air flow can reach throughout the room.

5) The connecting pipe and drainpipe could be extracted out easily.

6) There is no direct radiation from heaters.

Unit：in(mm)

Keep more than 7.55ft (2.3m) distance between the panel and ground of the room.

Keep at least 3.28ft (1m) to the wall of each side.

＞90-9/15

(2300)

A≥11-1/32

(280)

Service manual

MVD DC Indoor units

5. Piping Diagrams (EXV beside)

flare nut

T2B

gas side

motor

heat exchanger

fan

EXV liquid side

T1: Room temperature;

T2: Temperature of middle evaporator;

T2B: Temperature of evaporator outlet.

Service manual

MVD DC Indoor units

6. Wiring Diagrams

Service manual

MVD DC Indoor units

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