Sinclair SDV5 Series User manual

INDOOR CASSETTE UNITS SDV5-22-45CA

COMMERCIAL AIR CONDITIONERS SDV5

Original instructions

IMPORTANT NOTE:

Read this manual carefully before installing or operating

your new air conditioning unit. Make sure to save this

manual for future reference.

1Specifications ........................................................................................ 4

2Dimensions............................................................................................ 5

3Unit Placement...................................................................................... 6

4Piping Diagram ...................................................................................... 8

5Wiring Diagram...................................................................................... 9

6Capacity Tables .................................................................................... 11

7Electrical Characteristics ...................................................................... 15

8Sound Levels........................................................................................ 16

1Specifications

Table 1.1: SDV5-22-28-36-45CA

specifications

Model

SDV5-22CA

Power supply

1-phase, 220-240V, 50Hz

Cooling1

Capacity

2.2

2.8

3.6

4.5

kBtu/h

7.5

9.6

12.3

15.4

Power input

Heating2

Capacity

2.4

3.2

4.0

5.0

kBtu/h

8.2

10.9

13.6

17.1

Power input

Fan motor

Model

WZDK37-38G

Type

Brand

NIDEC/Welling/Match-Well

Speed3

r/min 700/680/660/640/600/560/520 760/730/700/660/620/570/500

Indoor coil

Number of rows

1 2

Tube pitch × row pitch

mm 21×13.37 21×13.37

Fin spacing

mm 1.3 1.3

Fin type

Hydrophilic aluminum

Tube OD and type

mm Ф7 Inner-groove

Dimensions (L×H×W)

1310×210×13.37

1310×210×26.74

Number of circuits

Air flow rate3

m3/h

576/552/524/503/462/441/405

604/573/541/516/478/434/400

Sound pressure level4

dB(A)

35/34/33/29/26/23/22

41/38/35/32/30/29/28

Sound power level

dB(A)

51/50/49/45/42/39/38

56/53/50/47/45/44/43

Main body

Net dimensions5(W×H×D)

630×260×570

Packed dimensions

(W×H×D)

700×345×660

Net/Gross weight

18/23.5

19.2/24.7

Panel

Net dimensions (W×H×D)

647×50×647

Packed dimensions

(W×H×D)

715×123×715

Net/Gross weight

2.5/4.5

Refrigerant type

R410A

Throttle

Type

Electronic expansion valve

Model

D20MISZ-1R(L)

Design pressure (H/L)

MPa

4.4/2.6

Pipe connections

Liquid/Gas pipe

Ф6.35/Ф12.7

Drain pipe

OD Ф32

Notes:

1. Indoor temperature 27°C DB, 19°C WB; outdoor temperature 35°C DB; equivalent refrigerant piping length 7.5m with zero level difference.

2. Indoor temperature 20°C DB; outdoor temperature 7°C DB, 6°C WB; equivalent refrigerant piping length 7.5m with zero level difference.

3. Fan motor speed and air flow rate are from the highest speed to the lowest speed, total 7 rates for each model.

4. Sound pressure level is from highest level to lowest level, total 7 levels for each model. Sound pressure level is measured 1.4m below the unit in a

semi-anechoic chamber.

5. Unit body dimensions given are the largest external dimensions of the unit, including hanger attachments.

SDV5-45CA

SDV5-36CA

SDV5-28CA

2Dimensions

2.1 Unit Dimensions

Figure 2.1: Compact Four-way Cassette dimensions (unit: mm)

523(Hook-location)

570(Body)

647(Panel)

Drainage side

545(Hook-location)

570(Body)

647(Panel)

280

630(Body,include Electrical Box)

600

270

260

Liquid Pipe

Φ6.35(OD)

Gas Pipe

Φ12.7(OD)

Drainage Pipe

Φ25(OD)

167

3Unit Placement

3.1 Placement Considerations

Unit placement should take account of the following considerations:

Units should not be installed in the following locations:

Where exposure to direct radiation from a high-temperature heat source or to interference from a source of

electromagnetic radiation may occur.

Where dust or dirt may affect heat exchangers.

Where exposure to oil or to corrosive or harmful gases, such as acidic or alkaline gases, may occur.

Where exposure to salinity may occur, such as seaside locations.

Where highly flammable materials are present.

Where exposure to oily air may occur, such as a kitchen.

Where exposure to very high humidity may occur, such as a laundry.

Units should be installed in positions where:

The ceiling is horizontal and is able to bear the unit’s weight.

There are no obstructions that could impede the airflow into and out of the unit.

The airflow out of the unit can reach throughout the room.

There is sufficient space for access during installation, servicing and maintenance.

The refrigerant piping and drain piping can be easily connected to the refrigerant piping and drain piping

systems.

Short-circuit ventilation (where outlet air returns quickly to a unit’s air inlet) will not occur.

3.2 Space Requirements

Figure 3.1: Compact Four-way Cassette space requirements (unit: mm)

Ground

OutletOutlet Inlet

ceiling

Electronic control box

2300

280

Notes:

1. The centerline of the maintenance hole should be in the same position as the centerline of the indoor unit.

4Piping Diagram

Figure 4.1: Compact Four-way Cassette piping diagram

flare nut

T2B

gas side

motor

heat exchanger

fan

EXV

liquid side

Legend

T1 Indoor ambient temperature sensor

T2 Indoor heat exchanger mid-point temperature sensor

T2B Indoor heat exchanger outlet temperature sensor

Figu

iring Dia

e5.1:Compac



gram

Fou

‐wayCas

To outdoor/intdoor

unit communication

Towired

controller

bomm.bus

POWER INPU

Centralized

Name

Code

ettepipingdi

XP4 XS4

POWER

INPU

PQE X1X2

Display Board

Centralized

controller

E D2 D1

Code

FMFanmotor

EEVElectronicexpansionvalve

Swingingmotor

Waterdrainagepump

gramwiringd

Red

Blue

Yellow

Grey

White

Blue

Black

Display

Board

ONON POWER_S CN20

ONONONONON

Indoortemp.sensor

Mid-pipetemp.sensorofevaporator

T2BOutlettemp.sensorofevaporator

XT1 XT2

Y/G

CSWaterlevelsensor

agram

ENC1

SW1SW7SW2SW3SW4SW5

SW6

N17 CN9

CN1

CN13

CN3

CN31

XP1-5

XS1-5

Connectors

XT1-2Connectors

Connectors

Y/G

Main box

Main

box

CN2

CN21

CN14

CN8CN7

CN16

CN5

CN25

CN30

CN11CN6

CN4

CN55

CN24

CN13

CN3

main control panel

2200W

ENC1

Toggle

Switch

Code

Set horsepower

Capacity

EEV

XP1

4500W

2800W

3600W

Y/G

Red

White

Black

XP4 XS4

T2B T2 T1

XS1

P5 XS5

XS3

ON/OFF

XP4

XS4



9

Caution

All installation, servicing and maintenance must be carried out by competent and suitably qualified, certified

and accredited professionals and in accordance with all applicable legislation.

Units should be grounded in accordance with all applicable legislation. Metal and other conductive components

should be insulated in accordance with all applicable legislation.

Power supply wiring should be securely fastened at the power supply terminals –loose power supply wiring

would represent a fire risk.

After installation, servicing or maintenance, the electric control box cover should be closed. Failing to close the

electric control box cover risks fire or electric shock.

Switch ENC1 (indoor unit capacity setting) is factory-set and its setting should normally not be changed. The

only circumstances in which a switch ENC1 might need to be set in the field is when replacing a main PCB.

When replacing a main PCB, ensure that the capacity setting on switch ENC1 on the new PCB is consistent with

the unit capacity given on the unit’s nameplate.

Notes for installers and service engineers



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