Cotek SR-1600 PLUS series Manuel utilisateur

PURE SINE WAVE INVERTER

SR-1600 PLUS User’s Manual

Telecom / Datacom

EN

[Page 3]

ONDULEURS PUR SINUS

Applications Télécom / Datacom

FR

[Page 28]

Legal Provisions

Any part of this document may not be reproduced in any form for any purpose without the prior

written permission of COTEK Electronic IND. CO. For the conditions of the permission to use

this manual for publication, contact COTEK Electronic IND. CO., LTD. In all related COTEK

product activities, Neither COTEK Electronic IND. CO., LTD. nor its distributors or dealers be

liable to anyone for indirect, incidental, or consequential damages under any circumstances.

Specifications are subject to change without notice. Every attempt has been made to make this

document complete, accurate and up-to-date. COTEK Electronic IND. CO., LTD reserve the

right to make changes without notice and shall not be responsible for any damages, including

indirect, incidental or consequential damages, caused by reliance on the material presented,

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Missing designations do not mean that a product or brand is not a registered trademark.

Table of Content

1. SAFETY INSTRUCTIONS 1

1-1. General Safety Precautions 1

1-2. Other Safety Notes 2

2. FUNCTIONAL CHARACTERISTICS INTRODUCTION 3

2-1. System 3

2-2. Electrical Specification 4

2-3. Block Diagram 5

2-4. Mechanical Drawings 5

2-4-1. SR-1600 PLUS Single Module .............................................. 5

2-4-2. SR-1600 PLUS Rack (19” 2U) .............................................. 6

2-5. SR-1600 PLUS De-rating Curve 7

2-6. Protection Mechanism 7

3. INSTALLATION AND MAINTENANCE 8

3-1. Introduction 8

3-1-1. LED Indicator ....................................................................... 10

3-1-2. Green Terminal Introduction ................................................ 11

3-1-3. AC Input / Output Terminal .................................................. 16

3-1-4. Parallel Connection Port ...................................................... 16

3-1-5. Battery Cabling .................................................................... 17

3-1-6. Chassis Ground ................................................................... 19

3-1-7. Installation Space Requirement .......................................... 19

3-1-8. RS-485 Port ......................................................................... 19

3-2. Parallel Connection 20

3-2-1. Multi-shelves Installation ..................................................... 20

3-2-2. Parallel Connection with Jumper Setting............................. 20

3-3. Maintenance 23

3-3-1. Inverter Module Replacement ............................................. 23

3-3-2. Fan Module Replacement ................................................... 24

4. TROUBLE SHOOTING 27

5. WARRANTY 27

1

EN

1. Safety Instructions

1-1. General Safety Precautions

Warning! Before using the Inverter, read the safety instructions.

 Do not expose the inverter to rain, snow, spray or dust. To reduce

the risk of fire hazard, do not cover or obstruct the ventilation

openings and do not install the inverter in a zero-clearance

compartment.

 To avoid the risk of fire and electric shock, make sure that the

existing wiring is in good electrical condition, and the wire size is not

undersized.

 This equipment contains components which can produce arcs or

sparks. To prevent fire or explosion do not install in compartments

containing batteries or flammable materials or in locations which

require ignition protected equipment. This includes any space

containing gasoline-powered machinery, fuel tanks, or joints, fittings,

or other connection between components of the fuel system.

 Depending on the user scenario, the AC output of the inverter may

require user installed breaker or fuse. In AC output hardwire

application, AC socket will not be provided. The inverter incorporates

standard AC short circuit protection.

 The following precautions should be taken when working on the

inverter：

Step 1 Remove watches, rings, or other metal objects

Step 2 Use tools with insulated handles

Step 3 Wear rubber gloves and boots

Warning! For the terminals on the backplane including AC,

battery, output, signal, please do not change or rework the

terminal wiring unless you are a qualified engineer

2

1-2. Other Safety Notes

 Upon receipt, examine the carton box for damage. Notify the carrier

immediately, before opening, if damage is evident.

 Do not operate near water or in excessive humidity.

 Do not open or disassemble the inverter, as warranty may be voided.

 The DC side connections should be firm and tight.

 Grounding：Reliable grounding should be maintained.

 Do not drop a metal tool on the battery. The resulting spark or

short-circuit on the battery or on the other electrical part may cause

an explosion.

 Install the inverter in a well-ventilated area. Do not block the front air

vents, or the rear air exhausts of the unit.

 Wiring：Adequate input power must be supplied to the inverter for

proper use; correct wiring sizes must be ensured.

 Mount the inverter such that the fan axis is horizontal.

 Do not operate the inverter close to combustible gas or open fire.

 Do not operate appliances that may feed power back into the

inverter.

 Temperature：The inverter should be operated in an ambient

temperature range of -25℃ to 40 ℃ otherwise the output efficiency

may be affected. Air flow to the inverter must not be blocked.

3

EN

2. Functional Characteristics Introduction

2-1. System

The SR-1600 PLUS is a highly reliable, modular design DC-AC inverter

system, designed with advanced power electronic and microprocessor

technology offering the following features：

 Simple setting and scalable system capacity supports up to 32 pcs

(51.2KW)

 Seamless switch between AC and DC source

 Build-in input and output full isolation

 Wide AC input range Adjustable 150~265V (230V system), 75~132V

(120V system)

 High efficiency (~95%)

 Power factor ≧ 0.99

 Advanced Protection Features

 Input reverse, under-voltage, over voltage protection

 Output protection：short circuit, over load, over temperature,

over voltage protection

 Operating mode

 AC mode (Default)：AC utility power is the main source. DC

power is the secondary source. PFC>0.99. Max efficiency 95%.

When the AC utility abnormal, the switching time is 0 second.

 AC Ratio mode：DC and AC input at same time. The percentage

of AC and DC load can be assigned to 100%. If AC set 70%, then

remaining 30% is DC.

 Note：

The AC input power must be higher than 300W after assigning DC and AC ratio.

 DC mode：DC power is the main source. AC utility is the

secondary source. THD<3%, Max efficiency is 91%. The

switching time between AC and DC power is 0 second.

4

2-2. Electrical Specification

Electrical

Specification

Model No.

Item

SR-1600-124

PLUS

SR-1600-148

PLUS

SR-1600-224

PLUS

SR-1600-248

PLUS

AC Input

Nominal Voltage

120VAC

230VAC

Voltage Range

(Full power rating)

90~130VAC ± 3%

180~260VAC ± 2%

Compliance range

before transfer to DC

Adjustable from 75-132.5Vac

Adjustable from 150-265Vac

Power Factor

> 0.99 @ rating power

Frequency

50 / 60 Hz

Synchronization Range

47~53 Hz, 57~63 Hz

DC Input

Nominal Voltage

(Voltage range)

24VDC

48VDC

24VDC

48VDC

Voltage Range

18~34VDC ± 3%

36~68VDC ± 3%

18~34VDC ± 3%

36~68VDC ± 3%

Nominal Current

56A

37A

56A

37A

Max. Input Current (15

sec.)

90A

60A

90A

60A

AC Output

Rating Power

1200W/1600VA

1600W/1600VA

1200W/1600VA

1600W/1600VA

Overload Capacity

105%~150% rated power (15 seconds)

Nominal Voltage

120VAC

230VAC

Output Voltage Range

100~120VAC ± 3%

200~240VAC ± 2%

Max. Efficiency(AC)

94%

95%

Max. Efficiency(DC)

89%

90%

91%

Frequency

50 / 60Hz

THD

< 3% (Above 80% Resistive Load)

Turn ON Delay

< 10 seconds

Crest Factor at Nominal

Power With short circuit

management and

protection

DC mode: 3 times nominal current

AC mode: 6 times nominal current

DC mode: 3 times nominal current

AC mode: 10 times nominal current

Control

&

Signal

Indicator

LED

Advanced Control

(Comm. protocol)

RS-485 control module (MODBUS)

Failure Indicator

Buzzer alarm

Protection

DC Input

Over Voltage / Under Voltage / Reverse Polarity

AC Input

Over Voltage / Under Voltage / Over Current

Output

Short Circuit / Overload / Over Temperature

Transfer

Performance

Inverter to Utility AC

0 second

Utility AC to Inverter

0 second

5

EN

Electrical

Specification

Model No.

Item

SR-1600-124

PLUS

SR-1600-148

PLUS

SR-1600-224

PLUS

SR-1600-248

PLUS

Environment

Operating Temp.

-25°C ~ 40°C; refer to SR-1600 PLUS power de-rating curve

Storage Temp.

-40℃~70℃

Relative Humidity

95%, non-condensing

Vibration

Meet BS EN 61373

Safety

&

EMC

Safety standards

Meet UL 62368-1

Certificated EN 62368-1

EMC standard

Certificated FCC Class B

EN 55032: 2015+A11:2020

EN 55035: 2017 / A11: 2020

Others

Dimension-Module

105x83x410 mm / 4.13x3.27x16.14 inch

Dimension-Shelf

446x85x509mm / 17.56x3.35x20.04 inch

Weight (net)

Module：3.8kg; 4pcs / Shelf：6.5kg; 1pcs

Table 1. SR-1600 PLUS specification

2-3. Block Diagram

2-4. Mechanical Drawings

2-4-1. SR-1600 PLUS Single Module

Figure 1. SR-1600 PLUS mechanical drawing-single module

6

2-4-2. SR-1600 PLUS Rack (19” 2U)

Figure 2. SR-1600 PLUS mechanical drawing-rack

7

EN

2-5. SR-1600 PLUS De-rating Curve

Figure 3. SR-1600 PLUS de-rating curve: SR-1600-124/224 PLUS

Figure 4. SR-1600 PLUS de-rating curve: SR-1600-148/248 PLUS

2-6. Protection Mechanism

Type

Over Voltage

Under Voltage

Shutdown

Restart

Alarm

Shutdown

Restart

Alarm

110 Vac

130±3%

125±3%

90±3%

95±3%

230 Vac

260±3%

250±3%

180±3%

190±3%

24 Vdc

34±0.5

28±0.5

33±0.5

18±0.5

25±0.5

21±0.5

48 Vdc

68±1

56±1

66±1

36±1

50±1

42±1

Table 2. SR-1600 PLUS protection mechanism

8

3. Installation and Maintenance

3-1. Introduction

Figure 5. SR-1600 PLUS module front panel view

Figure 6. SR-1600 PLUS shelf front panel view

Table 3. SR-1600 PLUS description

9

EN

Figure 7. SR-1600 PLUS shelf rear panel

view

Table 4. SR-1600 PLUS description

10

3-1-1. LED Indicator ①

Icon

Description

Icon

Description

System status LED indicator

AC input power indicator

DC battery power indicator

Load indicator

Example: SR-1600- 248 PLUS Type

Status

LED Indicator

Green

Off

No output

Solid ON

Power by AC

(Grid)

Normal

(48~66V)

Voltage &

Frequency OK

Load

0~60%

Fast Blinking

Power by AC &

DC

(Grid & Battery)

Slow Blinking

Startup

Frequency

synchronization

Orange

Solid ON

Power by DC

(Battery)

Battery Low voltage

(42~48V)

Load

60~105%

Fast Blinking

Battery High voltage

alarm

( Default > 66V )

Grid AC high

voltage alarm

(Default >250V)

Over load

alarm

(>105%)

Slow Blinking

Remote off

Battery Low voltage

alarm

( Default < 42V )

Grid AC low

voltage alarm

(< 190V)

Red

Solid ON

Module failure

Over load

/Short

protection

Fast Blinking

Different

system output

voltage

Battery over voltage

(Default >68V)

Over voltage

(Default >260V)

Slow Blinking

Different

system

frequency

(50/60Hz)

Battery under

voltage

(Default <36V)

Under voltage

(Default <180V)

Intermittent Blinking

Temp.

protection

Abnormal

Frequency

Intermittent Blinking

Fan failure

Table 5. LED indicator

11

EN

3-1-2. Green Terminal Introduction ③⑧⑨

There are three green terminals at the rear side, please refer to

following figure：

Terminal

Description

Jumper A & B

Single shelf / Parallel connection setting

CN3 Dry contact and remote

Remote setting, and dry contacts

Table 7. SR-1600 PLUS green terminal introduction

3-1-2-1. Jumper A & B ③⑧

Figure 8. Jumper A & B

Function

Wiring

Status description

1

Terminal

Resistor

Pin#1 and

Pin#2

short/open

Short：

1. Single shelf setting＊Note

2. Parallel connection setting at first and last shelf

(terminal shelf)

Open：

Parallel connection：non-terminal shelf (Refer to

3-2-2.)

2

Table 8. SR-1600 PLUS jumper A & B status description

＊Note：Jumper A pin1 & pin2 must be shorted and Jumper B pin1 & pin2 must

be shorted.

12

3-1-2-2. Dry contact and remote ⑨

Figure 9. CN3 dry contact pin assignment

Figure 9-1. Application diagram of dry contact pin3~5(Major)

13

EN

Figure 9-2. Application diagram of dry contact pin6~8(Minor)

Figure 9-3. Application diagram of dry contact pin12~13(Major)

14

Figure 9-4. Application diagram of dry contact pin14~13(Minor)

Figure 9-5. Application diagram of dry contact pin1~2

15

EN

Function

Wiring

Status Description

Pin 1~2

Remote ON/OFF

Pin#1 and pin #2

short/open

Open：Normal output

Short：Stop output

Pin 3~5

Major alarm

Switching power

60W

Rating 2A at

30VDC wire size

20~24AWG

Normal：N.C-Common short

Action：N.O-Common short

(Refer to Figure 9.)

Pin 6~8

Minor alarm

Pin 9~11

Selectable extra

alarm to go with

Major or minor alarm

by RS485/LCM

Pin 12~13

Digital signal input

for Major alarm

Signal voltage：5V

wire size

20~24AWG

High：+5V Action

Low： 0V Normal

Pin 13~14

Digital signal input

for Minor alarm

Table 9. SR-1600 PLUS CN3 status description

Alarm

Description

Possible Cause

Major

Over Load

The system over the rated capacity(OLA

>15sec)

Module Fault

Parallel Fault or Module Fault

Over Temp.

Temperature is too high

DC abnormal & Grid abnormal

Both sources fail(AC&DC source abnormal)

Major relay on

Pin 12~13 Action

CAN signal fail

Not connected properly

Minor

Grid abnormal

AC source failure

Over Load Alarm

The system over the rated

capacity(OLA )

Fan failure

Fan does not work

Redundancy Fault

Remove the redundancy module or

redundant module failure

Minor relay on

Pin 13~14 Action

BAT. Low

Under DC voltage protection

BAT. High

Over DC voltage protection

BAT. Low Alarm

Under DC voltage Alarm

BAT. High Alarm

Over DC voltage Alarm

3-1-2-3. Single Shelf Setting

1. Please short the Jumper A pin#1 and pin#2.

2. Please short the Jumper B pin#1 and pin#2.

Table 10. Alarm list for dry contact

16

3-1-3. AC Input / Output Terminal ④⑦

3-1-3-1. AC Input Terminal ④

SR-1600 PLUS provides the AC utility input terminal at the rear side,

and user can connect the AC cable at L / N / PE. The SR-1600 PLUS

support the AC input side internal parallel connection.

3-1-3-2. AC Output Terminal ⑦

The AC output terminal at the rear side of the SR-1600 PLUS. User can

connect the L / N / PE.

Figure 10. AC terminal connection

3-1-3-3. Cabling

Interface

Wire Color

Wire AWG

AC Input

Line (L)

Black

Breaker suggestion

200-240Vac：50A/Shelf/8AWG

100-120Vac：80A/Shelf/6AWG

Neutral (N)

White

AC Output

Line (L)

Black

Neutral (N)

White

Ground

Green-Yellow

6 ~16AWG

Table 11. AC cabling definition

3-1-4. Parallel Connection Port ⑤⑥

In case the user needs more than 1 shelf, please use the CN1 and CN2

port to connect multi-shelves. Ensure that user sets the terminal resistor

first (please refer to section 3-2).

Please use RJ-45 cable for connection. To have better performance, we

suggest the cable length is less than 100cm.

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