Sinclair SDV4 series Manuale operativo

FULL DC INVERTER SYSTEMS

TECHNICAL SERVICE MANUAL

INDOOR UNITS WITH DC FAN MOTOR

COMMERCIAL AI R CO NDIT IO NE RS S DV4

Original instructions

The pictures of units and accessories are illustrative only.

Technical specifications of the products are subject of change based on further development of

the units by the producer and may be changed without prior notice

Content

Compact four-way cassette units ..................................4

Four-way cassette units................................................22

Wall mounted units........................................................44

Ceiling & floor standing units.......................................66

Duct units.......................................................................92

High static pressure duct units..................................120

Fresh air processing duct units .................................150

Due to the DC fan motor, these indoor unit can meet the latest CE certification requirements.

Compact four-way cassette indoor units with DC fan motor

Compact four-way cassette indoor units

with DC fan motor

Features ................................................................................5

Specifications ......................................................................7

Dimensions...........................................................................9

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

Piping Diagrams (EXV beside)........................................ 11

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

Capacity Tables..................................................................13

Electrical Characteristics................................................. 18

Sound Levels .....................................................................19

Accessories........................................................................20

Compact four-way cassette indoor units with DC fan motor

1. Features

1.1 Low operation noise, quiet design for user comfort

Streamline plate ensures quietness

Creates natural and comfortable environment

1.2 Efficient cooling

Equal, fast and wide—range cooling

1.3 The adoption of the most advanced 3- Dimensional Screw fan

Reduces the air resistance passing through and operating sound.

Smoothes air flow

Makes air speed distribution to the heat exchange uniform.

1.4 Improvement for easy installation and maintenance

Little space is required for installation into a shallow ceiling,

Extremely compact casing (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.

1.5 360°Air Flow Panel

3600 air outlet makes equal, fast and wide range cooling

1.6 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 prevents damaging

1.7 Drain up pump with 500mm lift fitted as standard, max. up to 600mm head which can be

customized.

570mm

260mm

Compact four-way cassette indoor units with DC fan motor

1.8 Adopting DC fan motor.

1.8.1 Efficiency can be up to 90%. Contrast with theAC fan motor, the power consumption of DC fan motor

can reduce up to 30%.

1.8.2 The motor adopts fully enclosed structure design. The motor bearing can operate 80,000 hours

continuously and easy for maintenance.

Compact four-way cassette indoor units with DC fan motor

2. Specifications

Model

SDV4-22CAF

SDV4-28CAF

Power supply

V-ph-Hz

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

Cooling

Capacity

2.2

2.8

Input

Rated current

0.26

Heating

Capacity

2.4

3.2

Input

Rated current

0.26

Indoor fan

motor

Model

WZDK37-38G

Type

DC Motor

Input

19.5

Speed(h/m/l)

r/min

730/640/530/440

Indoor coil

Number of rows

Tube pitch(a)x row pitch(b)

21×13.37

Fin spacing

1.5

Fin type (code)

Hydrophilic aluminium

Tube outside dia. and type

Ф6.35

Inner groove tube

Coil length x height x width

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)

34/32/22

Indoor unit

Dimension (W× H×D)

570×260×570

Packing (W×H×D)

675×285×675

Net/Gross weight

16/22

Panel

Dimension (W× H×D)

647×50×647

Packing (W× H×D)

715×113×715

Net/Gross weight

3/5

Refrigerant

Type

R410a

Throttle

Electrical expansive valve

Design pressure(H/L)

MPa

4.4/2.6

Refrigerant

piping

Liquid side

Ф6.35

Gas side

Ф12.7

Connection

wiring

Power wiring

mm2

3×2.0

Signal wiring

mm2

3×0.5（3-core shielded wire）

Drainage water pipe diameter

OD Ф25

controller

Wireless remote controller (RM05) (Standard)

Notes:

1. Nominal cooling capacities are based on the following conditions: return air temperature: 27°C DB, 19°C WB, and outdoor

temperature: 35°C DB, equivalent ref. piping: 8m (horizontal)

2. Nominal heating capacities are based on the following conditions: return air temperature: 20°C DB, outdoor temperature: 7°C

DB, 6°C WB, and equivalent ref. piping: 8m (horizontal)

Compact four-way cassette indoor units with DC fan motor

Model

SDV4-36CAF

SDV4-45CAF

Power supply

V-ph-Hz

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

Cooling

Capacity

3.6

4.5

Input

Rated current

0.28

Heating

Capacity

Input

Rated current

0.28

Indoor fan

motor

Model

WZDK37-38G

Type

DC Motor

Input

23.6

Speed(h/m/l)

r/min

810/700/570/450

Indoor coil

Number of rows

Tube pitch(a)x row pitch(b)

21×13.37

Fin spacing

1.5

Fin type (code)

Hydrophilic aluminium

Tube outside dia. and type

Ф6.35

Inner groove tube

Coil length x height x width

1310×210×26.74

Number of circuits

Indoor air flow (H/M/L)

m3/h

604/516/400

CFM

336/304/235

Sound level (sound pressure)

dB(A)

40/34/27

Indoor unit

Dimension (W× H×D)

570×260×570

Packing (W×H×D)

675×285×675

Net/Gross weight

17.5/23.5

Panel

Dimension (W× H×D)

647×50×647

Packing (W× H×D)

715×113×715

Net/Gross weight

3/5

Refrigerant

Type

R410a

Throttle

Electrical expansive valve

Design pressure(H/L)

MPa

4.4/2.6

Refrigerant

piping

Liquid side

Ф6.35

Gas side

Ф12.7

Connection

wiring

Power wiring

mm2

3×2.0

Signal wiring

mm2

3×0.5（3-core shielded wire）

Drainage water pipe diameter

OD Ф25

controller

Wireless remote controller (RM05) (Standard)

Notes:

1. Nominal cooling capacities are based on the following conditions: return air temperature: 27°C DB, 19°C WB, and outdoor

temperature: 35°C DB, equivalent ref. piping: 8m (horizontal)

2. Nominal heating capacities are based on the following conditions: return air temperature: 20°C DB, outdoor temperature: 7°C

DB, 6°C WB, and equivalent ref. piping: 8m horizontal)

Compact four-way cassette indoor units with DC fan motor

3. Dimensions

Unit: mm

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