Cotek SR1000 Bedienungsanleitung

PURE SINE WAVE INVERTER

SR1000 / SR1000T

User’s Manual

Telecom / Datacom

Table of Content

1. IMPORTANT SAFETY INSTRUCTIONS 1

1-1. General Safety Precautions 1

1-2. Other Safety Notes 1

1-3. Rack-Mounted Installation 2

2. FUNCTIONAL CHARACTERISTICS INTRODUCTION 3

2-1. System 3

2-2. Block Diagram 4

2-3. Electrical Performance 5

2-4. Mechanical Drawings 6

3. INSTALLATION AND MAINTENANCE 8

3-1. Rear Panel 8

3-2. Front Panel 14

3-3. Maintenance 14

4. OPERATION 15

4-1. Connecting the input power 15

4-2. Connecting the loads 15

4-3. Inverter Operation 15

4-4. Protections Features 15

5. FRONT LCD PANEL –DISPLAY & SETUP 16

5-1. LCD Panel Indications 16

5-2. Startup Sequence and Standby Status 17

5-3. Setup Menu –Operation and Instructions 18

6. RS-232 COMMUNICATION AND OPERATION 23

6-1. Operation of RS-232 Serial Port 23

6-2. Interface Commands 23

6-3. Example of the RS-232 Operation 24

7. INFORMATION 29

7-1. Troubleshooting 29

7-2. Warranty 29

1. Important Safety Instructions

WARNING!

SAVE THESE INSTRUCTIONS –This manual contains important

instructions that should be followed during installation and maintenance of

the inverter.

1-1. General Safety Precautions

1-1-1. Do not expose the inverter to rain, snow, spray or dust.

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

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

1-1-2. To avoid the risk of fire and electric shock, make sure that the existing wiring

is in good electrical condition; and that the wire size is not undersized.

Do not operate the inverter with damaged or substandard wiring.

1-1-3. Depending on the use, the AC output of the inverter may require user installed

breaker or fuse. For telecom use, a GFCI has not been provided. The inverter

incorporates standard AC short circuit protection.

1-1-4. The following precautions should be taken when working on the inverter：

Remove watches, rings, or other metal objects.

Use tools with insulated handles.

Wear rubber gloves and boots.

1-1-5. If one of the following situations arises, get the equipment checked by service

personnel：

Liquid has penetrated into the equipment.

The equipment has been exposed to moisture.

The equipment does not work well or you cannot get it to work according to

the user manual.

The equipment has been dropped and damaged.

If the equipment has an obvious sign of breakage.

1-2. Other Safety Notes

1-2-1. Upon receipt, examine the shipment box for damage. Notify the carrier

immediately, before opening, if damage is evident.

1-2-2. Do not operate near water or in excessive humidity.

1-2-3. Do not open or disassemble the inverter, warranty may be voided.

1-2-4. The DC side connections should be firm and tight.

1-2-5. Grounding：Reliable grounding of rack-mounted equipment should be

maintained.

1-2-6. Do not drop a metal tool on the battery. The resulting spark or short circuit on

the battery or other electrical parts may cause an explosion.

1-2-7. Install the inverter in a well-ventilated area. Do not block the front air vents, or

the rear air exhausts of the unit.

1-2-8. Wiring：Adequate input power must be supplied to the inverter for proper use;

and correct wiring sizes must be ensured.

1-2-9. Mount the inverter such that the fan axis is horizontal.

1-2-10. Do not operate the inverter close to combustible gas or open fire.

1-2-11. Do not operate appliances that may feed power back into the inverter.

1-2-12. Temperature：The inverter should be operated in an ambient temperature

range of 0℃to 50℃, otherwise the output efficiency may be affected. Air

flow to the inverter must not be restricted.

1-3. Rack-Mounted Installation

Rack-Mounted Equipment –The unit is intended to be rack-mounted, and the

installation instructions should address the following concerns when the unit is

mounted in a rack system.

1-3-1. The equipment is to be installed in an environment where the maximum

ambient temperature must not exceed 50℃.

1-3-2. The openings on the enclosure are for air convection hence to protect the

equipment from overheating. DO NOT COVER THE OPENINGS.

1-3-3. Lay this equipment on a reliable surface when install. Dropping or falling could

cause injury.

1-3-4. The equipment shall be installed according to specification on the nameplate.

Ensure the voltage of the power source when connecting the equipment to the

power outlet. The current of the load and the output power of loads should not

exceed the specifications.

1-3-5. This equipment must be connected to reliable earthing before use.

1-3-6. "Equipment intended for installation in Restricted Access Location" and input

DC terminal at back of the rack to prevent qualified service personnel from

touching it.

2. Functional Characteristics Introduction

2-1. System

The unit is a highly reliable DC-AC inverter system, designed with advanced power

electronic and microprocessor technology offering the following features：

The inverter is equipped with a self diagnosis microprocessor that can identify

and display all failure messages on the LED/LCD display, accompanied by

visual/audio alarms.

1U height x 19” width x 13.6” depth, 19” rack mounting.

Pure sine wave output (THD < 2%) to operate high-end electronic equipment.

Built in 15A(120VAC) and 10A(250VAC) rated bypass relay.

Speeds up transfer time as a result of synchronized operation with the AC

source at all times, allowing interruption-free transfer for sensitive equipment.

Intelligent software for power management.

Either Hard-wire or dual AC outlets connection are available.

Loading and temperature controlled cooling fan.

Fan aging, failure, disconnection and blockage alarm.

Selectable bypass/Inverter modes.

Local and remote management and control.

RS-232 communication.

Dry contact terminal.

Efficiency >90%. (Full linear load at 220VAC Output)

Advanced Protection Features：

Input over/under voltage protection.

Internal over temperature protection.

Input reverse polarity protection (Fuse).

Output overload protection.

Output short circuit protection

AC input short circuit protection：Breaker (6 Amp or 12 Amp)

2-2. Block Diagram

The inverter features IGBT technology which, minimizes weight and dimensions

while enhancing output short circuit reliability and overload capacity.

AC output voltage is provided in one of the two modes：

1. From DC to AC Inverter Mode：(On-line Mode)

2. From AC Input Bypass Mode：(Off-line Mode)

Either mode is programmable from the front panel.

In the first option, Off-line mode, AC output power will be supplied through the AC

bypass mode during normal operation. In the event of AC input failure, output power

will be diverted through the DC to AC Inverter Mode. Once AC mains are restored,

the unit will switch back from the Inverter Mode to the Bypass Mode.

In the second option, On-line mode, AC output power will be directly provided by the

inverter from the DC source. If the DC source or inverter fails, the system will transfer

its output power through the bypass mode. Once the DC power source is restored,

the system will switch back to the inverter mode.

2-3. Electrical Performance

Electrical

Specification

Model No.

Item

SR1000(T)-124

SR1000(T)-148

SR1000(T)-224

SR1000(T)-248

Output

Continuous Output Power

1000W

Maximum Output Power

(3 Min)

1100W

Surge Power

2000W

Frequency

47~63Hz ± 0.5% (User-selectable)

Output Voltage

97~123VAC (User-selectable)

194~246VAC (User-selectable)

Efficiency (Full Load)

87%

88%

90%

91%

Short-Circuit Protection

Yes, lpk

Output Waveform

Pure Sine Wave (THD<2%)

Input

Voltage

24VDC

48VDC

24VDC

48VDC

Input Over-Voltage Protection

30~34VDC

60~68VDC

30~34VDC

60~68VDC

60VDC Max.

(Only UL)

60VDC Max.

(Only UL)

Input Under-Voltage Protection

18~22VDC

36~44VDC

18~22VDC

36~44VDC

Voltage Range

18~34VDC

36~68VDC

18~34VDC

36~68VDC

36~60VDC

(Only UL)

36~60VDC

(Only UL)

No Load Current

1.4A

0.75A

1.3A

0.7A

Signal and

Control

LCD Panel

2 Lines LCD panel with keypad for navigation

LED Indicator

Red / Orange / Green LED

Dry Contact Terminal

By a relay

Remote Control Terminal

Controls the inverter ON / OFF operation

Protection

Input Protection

Over / Under voltage, reverse polarity (Internal fuse)

AC Output Protection

Short-circuit, overload

AC Input Protection

12 Amp circuit breaker

6 Amp circuit breaker

Temperature Protection

Shutdown (Internal temperature ≧65℃)

Bypass Relay

Relay Specification

15 Amp / 120VAC, 10 Amp / 250VAC

Bypass relay selectable

On Line / Off Line (Haphazard, Normal, Exacting) selectable

Switching Time

From AC bypass mode (Off-line mode)：≦20mS

From DC to AC inverter mode (On-line mode)：≦8mS

Environment

Working Temp.(Full load)

0℃~ 50℃

Storage Temp.

-30℃~ 70℃

Safety & EMC

Safety Standards

Certified UL 62368-1

Certified EN 62368-1

EMC Standards

Certified FCC class B

EN 55032: 2015+A11:2020

EN 55035: 2017 / A11: 2020

Fan Operation

& Indicator

Failure Indicator

Buzzer alarm and dry contact

Switches On When

Internal Temperature ≧55℃or Load ≧30%

Switches Off When

Internal Temperature ≦45℃and Load ≦20%

Others

Dimension (WxHxD)

483 x 44 x 395 mm / 19.02 x 1.73 x 13.55 inch

Packing

7.46kg; 2pcs / 15.9kg / 1.74 CUFT

Application

Focus on telecommunication (base-station), networking (data center) &

battery backup system.

Note：The specifications are subject to change without notice.

2-4. Mechanical Drawings

Unit：mm [inch]

2-4-1. SR1000 Mechanical Drawings

2-4-2. SR1000T Mechanical Drawings

SR Series Inverter Ordering Information

Model Number

Input

Voltage

Output Voltage

Nominal

Output Voltage

Range

Frequency

Range

SR1000/SR1000T-124

24 VDC

110 VAC

100~120 VAC

47~63 Hz

SR1000/SR1000T -224

24 VDC

230 VAC

200~240 VAC

47~63 Hz

SR1000/SR1000T -148

48 VDC

110 VAC

100~120 VAC

47~63 Hz

SR1000/SR1000T -248

48 VDC

230 VAC

200~240 VAC

47~63 Hz

3. Installation and Maintenance

3-1. Rear Panel

No.

Description

No.

Description

No.

Description

①

DC Input Negative(-)

④

Dry Contact Terminal

⑦

AC Output Socket

②

DC Input Positive(+)

⑤

Standard RS-232

⑧

AC Input Socket /

AC Input Terminal

③

Remote Contact

Terminal

⑥

Chassis Ground

⑨

AC Output Breaker

3-1-1. DC Input Connection ①②：

Follow the instructions to connect the battery cables to the DC input terminals of

the inverter. The cables should be as short as possible, ideally less than 6 feet

(1.8 meters), to ensure they can handle the required current according to

Electrical Codes and Regulations. The cable size should be thick enough to limit

the voltage drop to less than 2% when carrying the maximum input current.

This prevents frequent low-input voltage warnings and shutdowns. Excessive

voltage drop across the DC cables between the batteries and the inverter may

result in a warning for Under Voltage Protection (UVP). To improve the situation,

consider increasing the size of your DC cables..

Batteries can deliver very high currents in the event of a short circuit. If a short

circuit occurs in the cable run between the batteries and the input terminals of the

inverter, it can cause overheating or melting of the cables, posing a risk of fire and

injury. To prevent this hazard, use a Very Fast Acting DC Fuse in line with the

positive cable. Place the fuse as close to the positive battery terminal as possible.

Consider using Bussmann ANN series fuses.

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