Sinclair SDV4-200EA Operating manual

FULL DC INVERTER SYSTEMS

COMMERCIAL AIR CONDITIONERS SDV4

TECHNICAL SERVICE MANUAL

SDV4 - SMALL OUTDOOR UNITS

SDV4-200EA, SDV4-224EA, SDV4-260EA

Original instructions

Contents

Part 1 General Information........................................1

Part 2 Outdoor Units .................................................9

Part 3 Installation ....................................................42

Part 4 Troubleshooting…………………………………61

Manufacture reserves the right to discontinue, or change at any time, specifications or designs without

notices and without incurring obligations.

General Information

Part 1 General Information

1. Product Lineup ..................................................................2

2. Nomenclature.....................................................................3

3. Features..............................................................................4

Product Lineup

1. Product Lineup

Model name

Dimension body (mm)

Net/Gross weight (kg)

Power supply

SDV4-200EA

Width: 1120

Height: 1558

Depth:400

137/153

380-415V / 3ph~ / 50Hz

SDV4-224EA

Width: 1120

Height: 1558

Depth:400

146.5/162.5

380-415V / 3ph~ / 50Hz

SDV4-260EA

Width: 1120

Height: 1558

Depth:400

147/163

380-415V / 3ph~ / 50Hz

2.Nomenclature

SDV4 –260E A

Refrigerant type R410A

External / Outdoor Unit

Cooling Capacity (x100W)

Sinclair - DC Inverter - Variable

Nomenclature

Features

3. Features

3.1 Wide application

The Full DC Inverter individual VRF system is a highly efficient solution for small commercial buildings

requiring heating and cooling of up to 12 zones with one outdoor unit. Such as villa, restaurant, school etc.

Sinclair offers a variety of indoor unit, more than 40 models of 7 types.

Capacity ranges are from 1.5kW

16kW. It is full compliance with residential and light commercial place.

Our systems can operate up to 130% of

capacity which allows any system to be designed to the customers’

and applications’

needs.

Features

Compressor

(Twin Rotary) structure

3.2 High efficient DC inverter compressor

.Full DC inverter Individual VRF adopts highly intelligent inverter-driven compressor. This advanced technology enables the

output of the outdoor unit to be modulated by the real heat load demands.

This advanced system ensures precise temperature regulation and highly efficient energy usage, making a significant

contribution to the limiting the impact on the environment.

3.3 High performance heat exchanger

The new designed window fins enlarge the heat-exchanging area ,

which decrease the air resistance, save more power and enhance heat

exchange performance.

Hydrophilic film fins and inner-threaded copper pipes optimize heat

exchange efficiency.

3.4 Low-operating sound design

Optimally design fan shape and new designed discharge air grille and air deflector, making higher air volume and lower operation

sound.

3.5 Quick warm-up & cool-down design and less temperature fluctuation

Utilizing the inverter compressor benefits,

the system can reach full load quickly and

shorten warm-up or cool-down time for an

immediate comfortable air solution.

Less temperature fluctuation will create a

better living environment.

Highly Efficient DC Motor:

- Creative motor core design

- High density neodymium magnet

- Concentrated type stator

-Wider operating frequency range

Better balance and Extremely Low Vibration:

- Twin eccentric cams

- 2 balance weights

Highly Stable Moving Parts:

- Optimal material matching rollers and vanes

-Optimize compressor drive technology

- Highly robust bearings

-Compact structure

Fluctuation of room temperature

Cooling operation

Temp.

Time

Notn-inverter

Inverter

New design Original design

High efficiency inner-thread pipe,

enhance heat transfer.

New fan

Air deflector

New grille

Features

3.6 Wide operation temperature range

No matter in extremely cold winter when outdoor

temperature gets as low as -15°C or in hot summer

when temperature is up to 48°C, the individual VRF

system will keep stable performance.

3.7 Flexible piping design

3.8 Flexible indoor unit’s connection

Individual VRF with intelligent control gives you independent zoning control with maximum flexibility.

A single outdoor unit supports up to 12 indoor units, freeing up considerable space outside. Use your backyard more wisely with

much more space available created by less number of outdoor units.

Max. 10 indoor units for a 20kW outdoor unit installation

Max. 11 indoor units for a 22.4kW outdoor unit installation

Max. 12 indoor units for a 26kW outdoor unit installation

3.9 Simple signal line connection

Installation is much easier as the communication wiring between indoor & outdoor units can be shared.

It’s easy for the user to retrofit the existing system with a centralized control by simply connecting to

outdoor unit.

3.10 Auto address setting function

The addresses of indoor units can be set automatically by outdoor unit.

Wired controller and wireless controller can enquire and modify the address of each indoor unit.

Longest

piping length

Level

difference

between

IDU~ODU

The IDU to the

nearest branch

pipe

The first branch

joint to the farthest

indoor unit

Level differece

between IDU~IDU

PQE & XYE, just only one group of communication wire of PQE,

achieved both of communication for indoor & outdoor unit and

network.

Reversible communication, central controller can be connected

from indoor side or outdoor side as you wish.

P Q E

P Q E P Q E P Q E P Q E

XY E X Y E

Piping Length

Permitted Value

Total piping length (Actual)

120m

Longest piping

length

Actual

60m

Equivalent

70m

The first branch joint to the

farthest IDU

20m

The IDU to the nearest branch pipe

15m

Level difference

between ODU~IDU

ODU up

30m

ODU down

20m

Level difference between IDU~IDU

010 20 30 40 50-10-20

COOLING MODE

HEATING MODE

Outdoor temp. °C(D.B.)

48°C

27°C

-15°C

24 °C

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