Midea MDV-D22Q1/N1-D User manual

TECHNICAL MANUAL

ONE WAY CASSETTE

MDV-D22Q1/N1-D

MDV-D36Q1/N1-D

MDV-D71Q1/N1-D

MCAC-VTSM-2017-01

One-way Cassette

MCAC-VTSM-2017-01

One-way Cassette

1. Features............................................................................................. 4

2. Specifications ................................................................................... 5

3. Dimensions ....................................................................................... 8

4. Service Spaces .................................................................................10

5. Piping Diagrams ...............................................................................11

6. Wiring Diagrams............................................................................. 12

7. Capacity Tables............................................................................... 15

8. Electrical Characteristics............................................................... 21

9. Sound Levels .................................................................................. 22

10. Accessories................................................................................... 25

11. Troubleshooting.............................................................................. 26

MCAC-VTSM-2017-01

One-way Cassette

1. Features

1.1 New panel design

The new panel is equipped with digital display function, which can show temperature, warning message and

check running parameters.

1.2 Compact design

For capacity 1.8kW to 3.6kW, needs only 153mm space above the ceiling. And 189mm for 4.5~7.1kW

models.

153mm Ultra thin

1.3 Parts inside installation

The throttling components and water pump are internally installed which means lower cost, no extra

accessories or installation time.

1.4 Large airflow and low noise

Large airflow, for high ceiling application (installation height can reach up to 3.2m for 1.8~3.6kW models and

4.0m for 4.5~7.1kW models) guarantees comfort in large space.

1.5 Improved air quality

Two folding type air filters and two standard formaldehyde absorption nets improve the air quality greatly.

The design of a long air outlet and a wide guide fan blade, which enlarges the range of flow transportation.

1.6 Auto swing

Auto swing mechanism guarantees even airflow distribution and a better room temperature balance.

Heating

Single-flow design suits

corner installation

Cooling

1.7 Built-in water pump with 750mm pump head

750mm

1.8 Prevent condensation in air outlet by the patent of a new structure design

By the adoption of this structure, the guide wing will always be wrapped up by dry cold air, cutting off the

contact route of moist hot air and the cold guide wing. As a result, the water vapor in most hot air gets no

change to condense in the surface of guide wing.

1.9 Auto restart

When the indoor unit is powered off, it will auto restart when powered on again after 3 minutes and operate

in the previous state.

One-way Cassette

MCAC-VTSM-2017-01

2. Specifications

Model

MDV-D22Q1/N1-D

Power supply

1 phase, 220-240V, 50Hz

Cooling

Capacity

1.8

2.2

Input

Rated current

0.24

Heating

Capacity

2.2

2.6

Input

Rated current

0.24

Indoor fan motor

Model

RPS12N

Type

Input(H/M/L)

29.5/26.7/25.0

Capacitor

μF

0.8

Speed (H/M/L)

r/min

1180/955/710

Indoor coil

Number of rows

Tube pitch(a)

row pitch(b)

13.37

Fin spacing

1.5

Fin type

Hydrophilic aluminum

Tube outside dia. and type

Ф7 Inner groove tube

Coil length

height

width

760

252.4

26.74

Number of circuits

Indoor air flow (H/M/L)

m3/h

523/404/275

Sound pressure level (H/M/L)

dB(A)

38/34/30

Indoor unit

Dimension (W

1054

153

425

Packing (W

1155

245

490

Net/Gross weight

12.5/16

Panel

Dimension (W

1180

465

Packing (W

1232

107

517

Net/Gross weight

3.5/5.2

Refrigerant type

R410A

Throttle

Type

Electronic expansion valve

Design pressure(H/L)

MPa

4.4/2.6

Pipe connections

Liquid pipe

Ф6.35

Gas pipe

Ф12.7

Drain pipe

OD Ф25

Standard Controller

Wireless remote controller

Notes: 1. Nominal cooling capacities are based on the following conditions: return air temperature: 27

CDB,19

CWB,

outdoor temperature:35

CDB, equivalent refrigerant piping: 7.5m(horizontal).

2. Nominal heating capacities are based on the following conditions: return air temperature: 20

CDB,

outdoor temperature: 7

CDB,6

CWB, equivalent refrigerant piping: 7.5m(horizontal)

MCAC-VTSM-2017-01

One-way Cassette

Specifications

Model

MDV-D36Q1/N1-D

Power supply

1 phase, 220-240V, 50Hz

Cooling

Capacity

3.6

Input

Rated current

0.25

Heating

Capacity

Input

Rated current

0.25

Indoor fan motor

Model

RPS12N

Type

Input(H/M/L)

31.0/27.2/25.3

Capacitor

μF

Speed (H/M/L)

r/min

1270/1050/790

Indoor coil

Number of rows

Tube pitch(a)

row pitch(b)

13.37

Fin spacing

1.5

Fin type

Hydrophilic aluminum

Tube outside dia. and type

Ф7 Inner groove tube

Coil length

height

width

760

252.4

26.74

Number of circuits

Indoor air flow (H/M/L)

m3/h

573/456/315

Sound pressure level (H/M/L)

dB(A)

40/38/34

Indoor unit

Dimension (W

1054

153

425

Packing (W

1155

245

490

Net/Gross weight

13/16.5

Panel

Dimension (W

1180

465

Packing (W

1232

107

517

Net/Gross weight

3.5/5.2

Refrigerant type

R410A

Throttle

Type

Electronic expansion valve

Design pressure(H/L)

MPa

4.4/2.6

Pipe connections

Liquid pipe

Ф6.35

Gas pipe

Ф12.7

Drain pipe

OD Ф25

Standard Controller

Wireless remote controller

Notes: 1. Nominal cooling capacities are based on the following conditions: return air temperature: 27

CDB,19

CWB,

outdoor temperature:35

CDB, equivalent refrigerant piping: 7.5m(horizontal)

2. Nominal heating capacities are based on the following conditions: return air temperature: 20

CDB,

outdoor temperature: 7

CDB,6

CWB, equivalent refrigerant piping: 7.5m(horizontal)

One-way Cassette

MCAC-VTSM-2017-01

Specifications

Model MDV-D71Q1/N1-D

Power supply

1 phase, 220-240V, 50Hz

Capacity

7.1

Cooling

Input

Rated current

0.36

Capacity

Heating

Input

Rated current

0.36

Model YDK43-4

Type

Indoor fan motor

Input(H/M/L)

56.2/40.2/28.7

Capacitor

μF

Speed (H/M/L)

r/min

1150/1020/850

Number of rows

Tube pitch(a)

row pitch(b)

13.37

Fin spacing

1.5

Indoor coil

Fin type

Hydrophilic aluminum

Tube outside dia. and type

Ф7 Inner groove tube

Coil length

height

width

955

336

26.74

Number of circuits

Indoor air flow (H/M/L)

m3/h

933/749/592

Sound pressure level (H/M/L)

dB(A)

44/41/37

Dimension (W

1275

189

450

Indoor unit

Packing (W

1370

295

505

Net/Gross weight

19.5/23.8

Dimension (W

1350

505

Panel

Packing (W

1410

560

Net/Gross weight

4/5.4

Refrigerant type

R410A

Throttle

Type

Electronic expansion valve

Design pressure(H/L)

MPa

4.4/2.6

Liquid pipe

Ф9.53

Pipe connections

Gas pipe

Ф15.9

Drain pipe

ODФ25

Standard Controller

Wireless remote controller

Notes: 1. Nominal cooling capacities are based on the following conditions: return air temperature: 27

CDB,19

CWB,

outdoor temperature:35

CDB, equivalent ref. Piping: 7.5m(horizontal)

2. Nominal heating capacities are based on the following conditions: return air temperature: 20

CDB,outdoor

temperature: 7

CDB,6

CWB,equivalent ref. Piping: 7.5m(horizontal)

MCAC-VTSM-2017-01

One-way Cassette

428

290

465

153

202

143

290

50 50

208

3. Dimensions

MDV-D22Q1/N1-D MDV-D36Q1/N1-D

60 1060 60

1180

890 119

890

1020

One-way Cassette

MCAC-VTSM-2017-01

452

189

505

300

Ceiling cutting size:A

Screw fixing size:B

228

300

33 56

MDV-D71Q1/N1-D

119

170

75 30 84

1350

1054

1061

121

1235

Please use the installation paper plate to make sure the position of the installation screws.

4×Φ10

Screw fixing size:D

Ceiling cutting size:C

18-36

45-71

Unit

：

430

470

290

300

1100

1290

1015

1235

MCAC-VTSM-2017-01

One-way Cassette

≤D

≥C

The air outlet can not

has any barriers such

as pendant lamp,

folding screen etc.

4. Service Spaces

Please avoid installing in the following places:

Aplace with flammable gas or material.

Asaline place such as a seashore vicinity.

Aplace with sulphur gas.

Aplace with oil gas, such as kitchen.

Aplace with high-humidity air.

An unbearable place.

Aplace where high-frequencywaves are generated.

The appliance shall not be installed in the laundry.

Please comply with the related national electric standard to make electric insulation for construction and metal

parts of air-conditioner.

Please choose the place where the ventilation is good.

Ceiling space requires ≥Cm.

The installation height of the unit can not be higher than D mm, or it will affect the operation effect.

Unit：mm Unit：mm

≥1 0 0 A ≥1 0

≥B

E ≥1 0 0

Air return port

Fan angle range

18-36 45-71

1180

1380

153

3200

465

1350

1550

189

4000

505

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