Cotek Sd2500 User manual

PURE SINE WAVE INVERTER

SD Series User’s Manual

SD2500 / SD3500

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Table of Content

1. IMPORTANT SAFETY INFORMATION 1

1-1. General Safety Precautions 1

1-2. Precautions When Working with Batteries 1

1-3. Installation 2

2. FUNCTIONAL CHARACTERISTICS 3

2-1. General Information 3

2-2. Application 3

2-3. Electrical Performance 4

2-4. Mechanical Drawings 8

3. INTRODUCTION 9

3-1. Power ON / OFF / REMOTE (Main) switch 10

3-2. LED Indicator 10

3-3. DIP Switch (S1~S8) Assignment 11

3-4. DC Input - 12

3-5. DC Input + 13

3-6. Chassis Ground 13

3-7. AC Output 13

3-8. By-pass AC input 13

3-9. AC input circuit breaker 13

3-10. AC output socket 13

3-11. Reset Button 13

3-12. CAN1 and CAN2 Port 13

3-13. LCM Port 14

3-14. Green terminal 15

3-15. RS-232 Port 15

3-16. Fan Ventilation 16

3-17. Protections Features 16

4. DC WIRING CONNECTIONS 17

4-1. DC Input Terminals 18

4-2. Hard-wire Installation 19

5. PARALLEL MODE 24

5-1. Prepare for Parallel Usage 24

5-2. Industry Applications 25

5-3. DC Wiring for Parallel Usage 27

5-4. AC Wiring Diagram 29

5-5. Remote command for the parallel connection 33

5-6. Remove Parallel Connection 33

6. RS-232 COMMAND 34

6-1. RS-232 command introduction 34

7. TROUBLESHOOTING 42

8. WARRANTY 42

1. Important Safety Information

1.Important Safety Information

WARNING!

Before using the inverter, read and save the safety instructions.

1-1. General Safety Precautions

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

To reduce risk of hazard, do not cover or obstruct the ventilation openings. Do

not install the inverter in a zero-clearance compartment. Overheating may

take place.

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

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

operate the Inverter with damaged or substandard wiring.

1-1-3. 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, joints, fittings, or other connection between components of the fuel

system.

1-1-4. An over current protection at the time of installation shall be provided by

others for the AC output circuit.

1-1-5. Additional breakers suitable for 20 A branch circuit protection shall be

provided for the GFCI receptacles.

1-2. Precautions When Working with Batteries

1-2-1. If battery acid contacts skin or clothing, wash immediately with soap and water.

If acid enters eye, immediately wash eyes with running cold water for at least

20 minutes and get medical attention immediately.

1-2-2. Never smoke or allow a spark or flame in vicinity of battery or engine.

1-2-3. Do not drop a metal tool on the battery. The resulting spark or short-circuit on

the battery or other electrical part may cause an explosion.

1-2-4. Remove personal metal items such as rings, bracelets, necklaces, and

watches when working with a lead-acid battery.

A lead-acid battery produces a short-circuit current high enough to weld a ring

or similar item to metal causing a severe burn.

1-3. Installation

The power inverter should be installed in a location that meets the following

requirements

Dry – Do not allow water to drip or splash on the inverter.

Cool – Ambient air temperature should be between -20 and 50 , but he cooler

the better.

Safety – Do not install batteries in the compartment or other areas here flammable

fumes existence such as fuel storage areas or engine compartments.

Ventilated – Allow at least one feet of clearance around the Inverter for air flow.

Ensure the ventilation shafts on the rear and bottom of the unit are not

obstructed.

Dust-free – Do not install the Inverter in dusty environments here dust, wood

particles or other filings/shavings are present. The dust can be pulled

into the unit when the cooling fan is in operation.

Close to batteries – Avoid excessive cable lengths but do not install the inverter in

the same compartment as batteries.

Use the recommended wire lengths and sizes (refer to section 4.DC wiring

connections).

Do not mount the inverter where it is exposed to the gases produced by the battery.

These gases are very corrosive and prolonged exposure will damage the inverter.

WARNING!

Shock Hazard. Before proceeding further, carefully check that the inverter is

NOT connected to any batteries, and that all wiring is disconnected from any

electrical sources . Do not connect the output terminals of the inverter to an

incoming AC source.

2. Functional Characteristics

2.Functional Characteristics

2-1. General Information

SD-series is new generation power inverter equipped with N+1 parallel power

function , 3-phase capability, and AC transfer switch. SD series is suitable for RV,

Marine and Emergency appliances.

Features

zParallel redundancy design for power expansion

zMultiple industrial applications that create 1Ф3W / 3Ф4W power systems

zUser-friendly remote control

zAutomatic master mechanism to eliminate single point failure and optimize

reliability

zBuilt-in ATS and AC circuit breaker

zOptional STS module, transfer time is less than 4ms.

zRS-232 communication

zInput & output fully isolation

zOutput voltage / power saving mode is selectable by DIP switch and remote

control (CR-10)

zInput Protection Reverse Polarity (Fuse) / Under Voltage / Over Voltage

Protection

zOutput Protection Short Circuit / Overload / Over Temperature / Over Voltage

Protection

To get the most out of the power inverter, it must be installed and used properly.

Please read the instructions in this manual before installation and operation of this

model.

2-2. Application

2-2-1. Power tools–circular saws, drills, grinders, sanders, buffers, weed and hedge

trimmers, air compressors.

2-2-2. Office equipment – computers, printers, monitors, facsimile machines,

scanners.

2-2-3. Household items – vacuum cleaners, fans, fluorescent and incandescent

lights, shavers, sewing machines.

2-2-4. Kitchen appliances – coffee makers, blenders, ice markers, toasters.

2-2-5. Industrial equipment – metal halide lamp, high pressure sodium lamp.

2-2-6. Home entertainment electronics – television, VCRs, video games, stereos,

musical instruments, satellite equipment.

2-2-7. Vehicle, yacht and off-grid solar power systems.

2-3. Electrical Performance

2-3-1. SD2500 Specification

MODEL SD2500-112 SD2500-124 SD2500-148 SD2500-212 SD2500-224 SD2500-248

Output

Rating Power 2500W (de-rating after 40°C, refer to de-rating curve)

Peak Power (3Sec.) 3000W

Surge Power (<0.2Sec.) 4000W

Waveform Pure Sine Wave

Efficiency (Max.) 88% 89% 90% 88% 88% 90%

Output Voltage

(@rated VDC) 100 / 110 / 115 / 120VAC ± 3% 200 / 220 / 230 / 240VAC ± 3%

Output Frequency 50 / 60Hz ± 0.1%

Total Harmonic

Distortion (THD)

< 3% @ under condition

greater than 1.15 times of the rated VDC,

110V / linear load)

< 3% @ under condition

greater than 1.15 times of the rated VDC,

230V / linear load)

DC Input

DC Voltage 12VDC 24VDC 48VDC 12VDC 24VDC 48VDC

Voltage Range 10.0~16.0 VDC 20.0~32.0 VDC 40.0~64.0 VDC 10.0~16.0 VDC 20.0~32.0 VDC 40.0~64.0 VDC

No load Power

Consumption @12VDC @24VDC @48VDC @12VDC @24VDC @48VDC

On Mode @ Save Mode 0.9A 0.35A 0.3A 1.1A 0.7A 0.4A

On Mode @ No Load Mode < 2.9A < 1.4A < 0.8A < 3.6A < 1.8A < 1A

Fuse 40Ax9 20Ax9 15Ax6 40Ax9 20Ax9 15Ax6

AC Input

AC Range 100 / 110 / 115 / 120VAC ± 12.5% 200 / 220 / 230 / 240VAC ± 12.5%

Frequency Selectable 50 / 60 Hz

Synchronous

Frequency 47 57 / 53 63 Hz

Circuit Breaker 35A 20A

Transfer Switch①Standard ATS Inverter to utility AC 8~10ms.; Utility AC to inverter 16~50ms.

Optional STS module Single < 4ms; N+1 & 1P3W & 3P4W < 6ms

Protection

BAT.Low Alarm ± 3% 10.5VDC 21.0VDC 42.0VDC 10.5VDC 21.0VDC 42.0VDC

BAT.Low Shut-down ± 3% 10.0VDC 20.0VDC 40.0VDC 10.0VDC 20.0VDC 40.0VDC

BAT.Low Restart ± 3% 12.5VDC 25.0VDC 50.0VDC 12.5VDC 25.0VDC 50.0VDC

BAT.High Alarm ± 3% 15.5VDC 31.0VDC 62.0VDC 15.5VDC 31.0VDC 62.0VDC

BAT.High Shut-down ± 3% 16.0VDC 32.0VDC 64.0VDC 16.0VDC 32.0VDC 64.0VDC

BAT.High Restart ± 3% 15.0VDC 30.0VDC 60.0VDC 15.0VDC 30.0VDC 60.0VDC

Input Protection Reverse Polarity (Fuse) / Under Voltage / Over Voltage Protection / AC over current (Breaker)

Output Protection Short Circuit / Overload / Over Temperature / Over Voltage Protection

2. Functional Characteristics

MODEL SD2500-112 SD2500-124 SD2500-148 SD2500-212 SD2500-224 SD2500-248

Environment

Working Temp. -20 +60°C; refer SD2500 power de-rating curve

Storage Temp. -40 +70°C

Relative Humidity Max. 90%, non-condensing

Safety & EMC

Safety Standards Certified UL 458

(UL only for hardwire) ---- Certified EN60950-1

EMC Standards Certified FCC Class B

②Certified EN 55014-1, EN 55014-2;

EN 61000-3-2, -3-3; EN61204-3;

EN 61000-6-1, -6-2, -6-3, -6-4

IEC 61000-4-2, 3, 4, 5, 6, 11

E-Mark ---- Certified CISPR 25; ISO 7637-2

Control & Signal

LED Indicator Input voltage level, faulty status

Remote Control CR-6, CR-8 and CR-10

Others

Dimension (WxHxD) 283x128x436 mm / 11.14x5.04x17.17iInch

Weight 8 kg

Cooling Load & Thermal control fan

Communication Port RS-232 (RJ-11 type connector), Ethernet (Optional)

Note

The specifications are subject to change without prior notice. All the test

environments are conducted under the rated power operation conditions.

①Please refer to P.8 Transfer-Time Table.

②EN 55014-1, EN 55014-2 Class B: output cable less than 2 meters.

2-3-2. SD3500 Specification

MODEL SD3500-112 SD3500-124 SD3500-148 SD3500-212 SD3500-224 SD3500-248

Output

Rating Power

3500W

(de-rating after 35°C, refer to de-rating curve for 12V)

(de-rating after 40°C, refer to de-rating curve for 24V and 48V)

Peak Power (3Sec.) 4500W

Surge Power (<0.2Sec.) 6000W

Waveform Pure Sine Wave

Efficiency (Max.) 90% 90% 91% 90% 91% 91%

Output Voltage

(@rated VDC) 100 / 110 / 115 / 120VAC ± 3% 100 / 110 / 115 / 120VAC ± 3%

Output Frequency 50 / 60Hz ± 0.1%

Total Harmonic

Distortion (THD)

< 3% @ under condition

greater than 1.15 times of the rated VDC,

110V / linear load)

< 3% @ under condition

greater than 1.15 times of the rated VDC,

110V / linear load)

DC Input

DC Voltage 12VDC 24VDC 48VDC 12VDC 24VDC 48VDC

Voltage Range 10.0~16.0 VDC 20.0~32.0 VDC 40.0~64.0 VDC 10.0~16.0 VDC 20.0~32.0 VDC 40.0~64.0 VDC

No load Power

Consumption @12VDC @24VDC @48VDC @12VDC @24VDC @48VDC

On Mode @ Save Mode 1.4A 0.5A 0.5A 1.4A 0.5A 0.5A

On Mode @ No Load Mode < 2.9A < 1.4A < 0.8A < 3.6A < 1.8A < 1A

Fuse 40Ax12 20Ax12 20Ax6 40Ax12 20Ax12 20Ax6