Cotek SR1000 User Manual
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Cotek SR1000 User Manual

Telecom / datacom pure sine wave inverter
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SR1000 / SR1000T
User's Manual
Telecom / Datacom
PURE SINE WAVE INVERTER

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Summary of Contents for Cotek SR1000

  • Page 1 SR1000 / SR1000T User’s Manual Telecom / Datacom PURE SINE WAVE INVERTER...

  • Page 2: Table Of Contents

    Table of Content 1. IMPORTANT SAFETY INSTRUCTIONS 1-1. General Safety Precautions 1-2. Other Safety Notes 1-3. Rack-Mounted Installation 2. FUNCTIONAL CHARACTERISTICS INTRODUCTION 2-1. System 2-2. Block Diagram 2-3. Electrical Performance 2-4. Mechanical Drawings 3. INSTALLATION AND MAINTENANCE 3-1. Rear Panel 3-2.

  • Page 3: Important Safety Instructions

    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.

  • Page 4: Rack-Mounted Installation

    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.

  • Page 5: Functional Characteristics Introduction

    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.

  • Page 6: Block Diagram

    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.

  • Page 7: Electrical Performance

    2-3. Electrical Performance Specification Model No. Electrical Item SR1000(T)-124 SR1000(T)-148 SR1000(T)-224 SR1000(T)-248 Continuous Output Power 1000W Maximum Output Power 1100W (3 Min) Surge Power 2000W Frequency 47~63Hz ± 0.5% (User-selectable) Output Output Voltage 97~123VAC (User-selectable) 194~246VAC (User-selectable) Efficiency (Full Load)

  • Page 8: Mechanical Drawings

    2-4. Mechanical Drawings Unit：mm [inch] 2-4-1. SR1000 Mechanical Drawings...
  • Page 9 Frequency Model Number Voltage Nominal Range 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...

  • Page 10: Installation And Maintenance

    3. Installation and Maintenance 3-1. Rear Panel Description Description Description ① DC Input Negative(-) ④ Dry Contact Terminal ⑦ AC Output Socket AC Input Socket / ② ⑤ ⑧ DC Input Positive(+) Standard RS-232 AC Input Terminal Remote Contact ③ ⑥...
  • Page 11 (Applicable to both 120 VAC and 230 VAC versions)： Model No. Wire AWG Inline Fuse SR1000/SR1000T-124 / 224 80 A SR1000/SR1000T-148 / 248 40 A  When connecting DC input terminals to 24V / 48V battery please note.
  • Page 12 Also, only use high quality copper wire and keep the cable length as short as possible. Suggestive cable length is 3 - 6 feet. ： 3-1-2. Remote control and Dry contact terminal ③④  Remote Control Terminal ： ③ 1. Before installing the inverter, ensure that the main switch is in the "OFF" position.
  • Page 13 Note：Only one remote function should be used to control the inverter at a time. The maximum voltage value is 60VDC. Dry Contact Terminal Relay COM. Common contact N.C. Normally closed contact N.O. Normally open contact  Dry Contact Terminals ： ④...
  • Page 14 ： 3-1-5. AC output socket ⑦ 3-1-6. AC wiring connections ⑧  SR1000：AC socket  SR1000T：AC input and AC output terminal...
  • Page 15  Connect AC input wiring to the inverter socket. Please use the following information for reference. 【SR1000 Version】 Wire color Socket Wire length / gauge 120 VAC 230 VAC Line (L) AC Output NEMA I.E.C C13 Neutral (N) Within 16 feet / AWG # 14~16...

  • Page 16: Front Panel

    3-2. Front Panel Description Description Description ○ ○ ○ Main Switch LCD Display Fan Ventilation ○ ○ LED Indicators LCD Display Selection Buttons ○ ：These are the 3-stage rocker switches for turning on, turning 3-2-1. Main Switch off and remote mode. ○...

  • Page 17: Operation

    4. Operation 4-1. Connecting the input power Before making the connections on the DC input side, ensure that the main switch is in the "OFF" position. 4-2. Connecting the loads  Calculate the total power consumption(W) of the output load. Ensure that the total power consumption does not exceed the rated load.

  • Page 18: Front Lcd Panel - Display & Setup

    5. Front LCD Panel – Display & Setup 5-1. LCD Panel Indications 5-1-1. Set the Power Switch to the “ON” position. Inverter will start the operating under the normal condition and you can see the status of Vi, Vo, FW, Io displayed on the LCD screen：...

  • Page 19: Startup Sequence And Standby Status

     ALARM：Displays the Failure status. Alarm LED Status DC Over Voltage / DC Under Voltage/ FAN Alarm Orange Note：For instructions on setting the alarm, see details in Section 5-3. 5-1-3. ○ LCD DISPLAY SELECTION BUTTONS：  Function of Various Keys： Function <Up>：You can use the “Up”...

  • Page 20: Setup Menu - Operation And Instructions

    5-3. Setup Menu – Operation and Instructions Entering Setup Menu： Press Button longer than 2 seconds. The inverter, enters the Setup Menus consisting of three layers： (1)Select Menu Heading：(2)Select Menu Item：(3)Setting Value：...
  • Page 21 5-3-1. User interface (Select Menu)： 0). LCD Contrast：Sets LCD screen contrast. Default=50% Setting Range= 0%~100% 1). LCD Auto-off：Sets LCD auto off timer. Default=120 seconds. Setting Range= Disable~250 seconds. 2). RS-232 Baud-rate：Sets standard RS-232 Baud-rate. Default=4800 Setting Range= 1200/2400/4800/9600 3). Buzzer Setting：Sets the internal buzzer sound ON/OFF. When setting, the LCD screen display, Buzzer “ON”, Buzzer “OFF”.
  • Page 22 5-3-2. I/P Parameter (Select Menu)： 6). OVP Setting：When the DC input voltage is higher than the OVP setting, the inverter shuts down. Default= 34 VDC for 24V Model, 60 VDC for 48V Model Model Setting Value Range 24 V 30 VDC ~ 34 VDC 48 V 60 VDC MAX.
  • Page 23 Note：The value of voltage set for the “UV Alarm” should be equal to or higher than the value set for “UVP” or else the unit will shut down without any audible warning. 5-3-3. Output (O/P) Parameters： 11). O/P Voltage：Set the inverter output voltage. Default= 110 VAC for 110V Model, 230 VAC for 220V Model Model Setting Value Range...
  • Page 24 relay will NOT switch off if the grid frequency is beyond the range set under Sync Frequency window (Function Code 13). The bypass relay will switch “ON” or “OFF”. Conformance to, phase and frequency Haphazard synchronization will not be considered. (See details in Section 5-3) ─...

  • Page 25: Rs-232 Communication And Operation

    6. RS-232 Communication and Operation 6-1. Operation of RS-232 Serial Port 6-1-1. This unit uses a standard 9-Pole D connector and three of the RS-232 signal lines： Signal description 6-1-2. The connection between this unit and the computer is as follows： 6-1-3.

  • Page 26: Example Of The Rs-232 Operation

    data from the computer. Before sending information to the unit, the computer should check the DTR line. The unit is typically always ready to receive data during operation. When a LF character (ASCII code 0AH) is received, the unit will finish receiving by clearing the DTR status and start interpreting the received information.
  • Page 27 “1”： Power on 2). Command to query the Output Frequency： Format：FRQ? After “Enter”, the unit’s “Output Frequency” appears on the PC screen. 3). Command to query the Output Voltage： Format：VOL? After “Enter”, the unit’s “Output Voltage” appears on the PC screen. 4).
  • Page 28 Message , Alert Msg , Alert , SHDN FUNC 4：Alert Setting Setting Menu SETT <value> Alert Disable Shutdown Alert Setting Alert Alert , SHDN FUNC 6：OVP Setting Setting Menu SETT <value> Model SR1000/SR1000T-124 30~34 SR1000/SR1000T-224 OVP Setting SR1000/SR1000T-148 60 MAX. SR1000/SR1000T-248...
  • Page 29 FUNC 7：OVP Recovery Setting Menu SETT <value> Model SR1000/SR1000T-124 28~32 SR1000/SR1000T-224 OVP Recovery SR1000/SR1000T-148 56~60 SR1000/SR1000T-248 FUNC 8：UVP Setting Setting Menu SETT <value> Model SR1000/SR1000T-124 18~22 SR1000/SR1000T-224 UVP Setting SR1000/SR1000T-148 36~44 SR1000/SR1000T-248 FUNC 9：UVP Recovery Setting Menu SETT <value> Model...
  • Page 30 FUNC 14：Bypass Relay Setting Menu SETT <value> Alert ON LINE Haphazard (OFF LINE) Bypass Relay Normal (OFF LINE) Exacting (OFF LINE) FUNC 15：Overload Alarm Setting Menu SETT <value> Overload Alarm 50~110...

  • Page 31: Information

    Please note that COTEK is responsible for ensuring the proper functionality of our products before delivery. However, this warranty will be void if the unit has been misused, altered, or accidentally damaged.
  • Page 32 No.33, Sec. 2, Renhe Rd., Daxi Dist., Taoyuan City 33548, Taiwan Phone：+886-3-3891999 FAX：+886-3-3802333 http：// www.cotek.com.tw 2023.07._A4...

This manual is also suitable for:

Sr1000tSr1000-124Sr1000-148Sr1000-224Sr1000-248Sr1000t-124 ... Show all

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