Sinclair SF HM2 Series User manual

SERVICE MANUAL

WALL MOUNTED

FAN COIL UNIT

AIR CONDITIONING

SF-xxxHM2

Wall-mounted

DC Fan Coil Unit

1. External Appearance ......................................................................................... 2

2. Features ............................................................................................................. 3

3. Product lineup ................................................................................................... 3

4. Accessories ....................................................................................................... 4

5. Specifications .................................................................................................... 5

6. Dimension .......................................................................................................... 7

7. Sound Levels ................................................................................................... 8

8. Service Spaces ................................................................................................ 12

9. Main PCB ports ................................................................................................ 13

10. Wiring Diagrams ...........................................................................................15

11. Troubleshooting ............................................................................................ 16

12. Installation ..................................................................................................... 19

13. Capacity Table ............................................................................................... 27

1. External Appearance

A type panel

2. Features

• Multi-connection outlet pipe method: left\right\rear, satisfy the need of different rooms.

• Cross flow fan creates quiet and comfortable environment.

• Built-in the 3-way electromagnetic valve.

• Built-in network interface module.

• Easy maintenance has been realized as the front panel can be removed for easy access.

• Display shut off (for TypeA and P panels though Wireless Remote Controllers RM12F/BGF-E )

Excellent efficiency

Midea DC FCU adopt the brushless DC motor, the DC motor efficiency is up to 90%. The power consumption of

DC FCU can be reduced by more than 30% in contrast to the corresponding AC FCU.

DC brushless motor

The motor adopts fully enclosed structure design; it is energy-saving, of high operating efficiency and durable

motor. The motor bearing can operate 80,000 hours continuously, and easy for maintenance.

Low noise

Advanced 3-D spiral fan design reduces air resistance and operating sound. The motor bearing with unique

design makes less operation vibration.

3. Product lineup

Type 250 300 400 500 600

Wall Mounted SF-xxxHM2 ●●●

4. Accessories

4.1 Standard accessories

Accessory name Qty. Shape Usage

Owner’s & installation manual 1 / Installation guide

Screw ST3.9x25 for installation

board 8 Screw the installation board

Plastic expanded tube 8

Wrapping tape 1

Drain pipe 1

Wall conduit cover 1

Remote controller & Its Frame

Remote controller

R05/BGE

1 Frame

2 Mounting screw(ST2.9x10-C-H)

2 Alkaline dry batteries

Remote controller manual 1

Seet gasket 4 For conner water pipe

Network matching wire 1

The indoor unit which at the terminal of

communication system should connect

a impedance between port X and port

Insulation 1 Prevent the walls from getting damp

4.2 Optional accessories

Accessory name Qty. Shape Usage

Central controller CCM30 1

Central control

5. Specifications

5.1

Model

SF-250HM2

SF-300HM2

SF-400HM2

Power supply

V/Ph/Hz

220-240/1/50

m3/h

492/454/400

585/485/413

825/689/590

Air flow (H/M/L)

CFM

289/267/235

344/285/242

485/405/347

Capacity (H/M/L)

2.7/2.59/2.39

2.91/2.54/2.19

3.81/3.3/2.88

Water flow rate(H/M/L)

m3/h

0.48/0.46/0.42

0.51/0.45/0.38

0.67/0.57/0.51

Cooling1

Water pressure drop(H/M/L)

kPa

31.61/28.63/25.36

37.2/29.73/23.36

56.75/41.23/33.02

Power input(H/M/L)

13/11/10

15/11/9

33/22/15

Capacity (H/M/L)

2.94/2.8/2.58

3.23/2.77/2.42

4.3/3.65/3.09

Water flow rate(H/M/L)

m3/h

0.51/0.49/0.46

0.56/0.49/0.42

0.73/0.64/0.56

Heating2

Water pressure drop(H/M/L)

kPa

32.66/34.89/30.24

34.12/31.53/25.1

51.86/47.53/35.69

Power input(H/M/L)

11/11/9

14/10/8

31/20/14

Capacity (H/M/L)

3.29/3.03/2.63

3.76/3.22/2.77

5.08/4.33/3.77

Water flow rate(H/M/L)

m3/h

0.48/0.46/0.42

0.51/0.45/0.38

0.67/0.57/0.51

Heating3

Water pressure drop(H/M/L)

kPa

37.49/30.25/26.53

40.64/27.03/20.98

61.94/37.88/30.34

Power input(H/M/L)

12/10/8

14/10/8

31/20/14

Sound pressure level (H/M/L)

dB(A)

32/30/27

32/27/23

45/39/35

Rated current

0.16

0.19

0.28

Type

DC Motor

Fan motor

Quantity

Type

Tangential fan

Fan

Quantity

Row

Max. Working pressure

MPa

1.6

Coil length x height

635x26.74

Coil

Fin spacing

1.5

Fin type

Hydrophilic aluminium

Number of circuits

Diameter

Φ7

Net dimensions (W×H×D)

915×290×230

Packing size (W×H×D)

1020×390×315

Body

Net weight

12.7

Gross weight

15.6

Water inlet/outlet pipe

inch

G3/4

Pipe connection

Drain pipe

ODΦ20

Model

SF-500HM2

SF-600HM2

Power supply

V/Ph/Hz

220-240/1/50

m3/h

862/741/634

979/849/717

Air flow (H/M/L)

CFM

507/435/372

575/499/421

Capacity (H/M/L)

4.47/3.98/3.48

4.87/4.26/3.79

Water flow rate(H/M/L)

m3/h

0.77/0.68/0.61

0.85/0.72/0.65

Cooling

Water pressure drop(H/M/L)

kPa

41.17/33.54/27.05

50.68/39.47/33.66

Power input(H/M/L)

26/18/13

38/26/18

Capacity (H/M/L)

4.84/4.23/3.62

5.26/4.68/3.96

Water flow rate(H/M/L)

m3/h

0.84/0.73/0.64

0.89/0.80/0.68

Heating

Water pressure drop(H/M/L)

kPa

36.82/33.83/26.26

47.12/42.75/32.95

Power input(H/M/L)

22/16/12

33/23/16

Capacity (H/M/L)

5.68/4.94/4.24

6.31/5.57/4.77

Water flow rate(H/M/L)

m3/h

0.77/0.68/0.61

0.85/0.72/0.65

Heating

Water pressure drop(H/M/L)

kPa

43.74/29.69/23.98

51.65/36.3/30.3

Power input(H/M/L)

23/16/12

33/23/16

Sound pressure level (H/M/L)

dB(A)

38/34/30

44/40/35

Rated current

0.32

0.39

Type

DC Motor

Fan motor

Quantity

Type

Tangential fan

Fan

Quantity

Row

Max. Working pressure

MPa

1.6

Coil length x height

785x26.74

Coil

Fin spacing

1.5

Fin type

Hydrophilic aluminium

Number of circuits

Diameter

Φ7

Net dimensions (W×H×D)

1072×315×230

Packing size (W×H×D)

1180×415×315

Body

Net weight

15.1

14.9

Gross weight

18.6

Water inlet/outlet pipe

inch

G3/4

Pipe connection

Drain pipe

ODΦ20

Note:

Based on Eurovent conditions:

H: High fan speed; M: Medium fan speed; L: Low fan speed.

1: Cooling mode (2 and 4-pipe coil): entering air temperature 27°C DB/19°C WB, entering/leaving water temperature 7°C /12°C.

2: Heating mode

(1)

(2-pipe coil): entering air temperature 20°C DB, entering/leaving water temperature 45/40°C.

3: Heating mode

(2)

(2-pipe coil): entering air temperature 20°C DB, enter water teperaure/water flow 50°C. (same water flow as in standard rating condition in cooling)

Dimension

6.1

SF-250HM2, SF-300HM2, SF-400HM2, SF-500HM2, SF-600HM2

Model

SF-250(300,400)HM2

732

915

290

663

233

SF-500(600)HM2

892

1072

315

813

237

7. Sound Levels

Noise level under three speeds of fan [dB(A)]

Unit Number

Model

SF-250HM2

SF-300HM2

SF-400HM2

SF-500HM2

SF-600HM2 44

SF-250HM2

SF-300HM2

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