SR1000 / SR1000T User’s Manual Telecom / Datacom PURE SINE WAVE INVERTER
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.
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 fire hazard, do not cover or obstruct the ventilation openings and. do not install the inverter in a zero clearance compartment. 1-1-2.
1-2-6. 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. 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; correct wiring sizes must be ensured. 1-2-9. Mount the inverter such that the fan axis is horizontal. 1-2-10.
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 z The inverter is equipped with a self diagnosis microprocessor that is able to identify and show all failure messages on the LED/LCD display, with associated visual/audio alarms. z 1U height x 19” width x 13.6” depth, 19” rack mountable.
2-2. Block Diagram The inverter features IGBT technology which, minimizes weight and dimension, while enhancing output short circuit reliability and overload capacity. AC output voltage is provided in one of the two following modes 1. From DC to AC Inverter Mode (On-line Mode) 2. From AC Input Bypass Mode (Off-line Mode) Either mode is front panel programmable. In the first option, Off-line mode, AC output power will be supplied through the AC bypass mode in its normal operation.
2-3. Electrical Performance Specification Electrical Item Model No. SR1000(T)-124 SR1000(T)-148 Continuous Output Power Maximum Output Power Surge Power 2000W Frequency Output Voltage Efficiency (Full Load) 47~63Hz ± 0.5% (User-selectable) 97~123VAC (User-selectable) 87% 90% 48VDC 24VDC 48VDC Input Over-Voltage Protection 30~34VDC 60~68VDC 60VDC Max. (Only UL) 30~34VDC 60~68VDC 60VDC Max.
2-4. Mechanical Drawings Unit mm [inch] 2-4-1. SR1000 Mechanical Drawings < SR1000 110V < SR1000 220V 24.0 [0.94] 420 [16.54] 345 [13.58] 395 [15.55] 92.0 [3.62] 345 [13.58] 92.0 [3.62] 21.8 [0.86] 44 [1.73] 31.8 [1.25] 121.0 [4.76] 6-M3 5.9 [0.23] 39.3 [1.55] 39.3 [1.55] R3.5 [R0.14] 10.0 [0.39] 465.0 [18.31] 483 [19.
2-4-2. SR1000T Mechanical Drawings < SR1000T 110V < SR1000T 220V 24 [0.94] 420 [16.54] 345 [13.58] 92.0 [3.62] 121.0 [4.76] 6-M3 39.3 [1.55] 44 [1.73] 31.8 [1.25] 39.3 [1.55] R3.5 [R0.14] Ø7.0 [Ø0.28] 10.0 [0.39] 465.0 [18.31] 5.9 [0.23] 483 [19.
3. Installation and Maintenance 3-1. Rear Panel SR1000 1 2 3 4 5 6 7 2 3 4 5 6 7 8 9 SR1000T 1 8 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 ⑥ Chassis Ground ⑨ ③ Remote Contact Terminal 9 AC Input Socket / AC Input Terminal AC Output Breaker 3-1-1.
( will also require Fuse Block 4164) or equivalent. The following sizes of cables and fuses are recommended for up to 6 ft. distance between the batteries and the inverter. (Applies to both 120 VAC and 230 VAC versions) Model No. Wire AWG Inline Fuse SR1000/SR1000T-124 / 224 #4 80 A SR1000/SR1000T-148 / 248 #6 40 A Connect DC input terminals to 24V / 48V battery or other DC power source. [ + ] is positive, [ - ] is negative.
NEGATIVE - INLINE FUSE POSITIVE + BA TT E RY 3-1-2. Remote control and Dry contact terminal ③④ Remote Control Terminal Dry Contact Terminal NO COM. NC ENB ENB GND GOUND RELAY Normally Open ENABLE - Common ENABLE + Normally Closed Remote Control Terminal ③ 1. Before installing the inverter, ensure that the main switch “OFF”. 2. Before using the remote function, ensure that the main switch pressed toward “REMOTE”. 3. Ensure that the remote contacts are off. 4.
ENB ENB TR ON : INV. OFF : INV. ON OFF HI : INV. LOW : INV. GND ON (TR ON) OFF (TR OFF) GND ON : INV. OFF : INV. BAT+ BATENB ON : INV. OFF : INV. ENB ON OFF ON OFF + DC - POWER GND Note At one time, only one remote function should used to control the inverter. The maximum voltage value is 60VDC. Dry Contact Terminal Relay COM. Common contact N.C. Normally closed contact N.O.
3-1-5. AC output socket ⑦ 110VAC 230VAC NEMA I.E.C 60320 C13 3-1-6.
z Connect AC input wiring to the inverter socket. Please use the following information as your reference. SR1000 Version Socket AC Output Line (L) Neutral (N) Wire color 120 VAC 230 VAC NEMA I.E.C C13 Within 16 feet / AWG # 14~16 Line (L) AC Input 26~32 feet / AWG # 12~14 I.E.C C14 Neutral (N) Chassis Ground Wire length / gauge Green / Yellow or Bare copper Note Please double check and review all the connections to ensure that the wires are connected to the correct inlet.
3-2. Front Panel A No. A B B C D Description No. E Description No. Main Switch C LCD Display LED Indicators D LCD Display Selection Buttons 3-2-1. Main Switch A E Description Fan Ventilator These are the 3-stage rocker switches for turning on, turning off and remote mode. 3-2-2. LED Indicators B See details in Section 5-1. 3-2-3. LCD Display Selection Buttons D Data pertaining to the DC input voltage, AC output voltage, AC output frequency, AC output current, etc.
4. Operation 4-1. Connecting the input power Before making the DC input side connections, the main switch must be “OFF”. 4-2. Connecting the loads z Calculate the total power consumption(W) of the output load. Make sure that the total power consumption does not exceed the rated load. z Should the total load exceed the rated capacity of the inverter, remove the non-critical loads until the rated total has been reached. 4-3. Inverter Operation z Set the power switch to the “ON” position.
5. Front LCD Panel – Display & Setup 5-1. LCD Panel Indications 5-1-1. Set the Power Switch to the “ON” position. THE, inverter starts working normally. The inverter will be operating in normal condition when either of the following messages are displayed on the LCD screen Vi =24.0 FQ=60.0 LED INDICATORS Vo=115 Io =8.5 LCD DISPLAY SELECTION BUTTONS LCD DISPLAY 5-1-2. LED Indications AC GRID Displays AC input status.
5-1-3. LCD Display Selection Buttons Function of Various Keys Function You can use the “up” button to scroll through the menus. or to select the value for set up under setting mode. Function You can use the “Page Up” button to scroll through the menus. Function You can use the “Page Down” button to scroll through the menus.
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 Main Menu: Select Menu: RST to default Select Item: O/P Voltage Select Item: O/P Frequency Select Item: Sync Frequency Select Item: Bypass relay Select Item: Overload Alarm 230V O/P Frequency: 50.00Hz Sync Frequency: 7.00Hz Bypass relay: On-line Overload Alarm: 100% UV Alarm: 21.
Menu Status Message Power ON or Push Keypad Buzzer ON Alert FAN Fail or UV Alarm or Overload Alarm ON Shutdown OVP or UVP or OLP or OTP ON Disable Any OFF 4). Alert Setup When alert occurs, the internal Dry Contact Relay will open / close. (See details in Section 3-1-6) Default= Alert, SHDN Setting Range= Disable / Shutdown / Alert / Alert, SHDN Menu Status Relay Alert FAN Fail or UV Alarm or Overload Alarm ON Shutdown OVP or UVP or OLP or OTP ON Disable Any OFF 5-3-2.
9). UVP Recovery When the DC input voltage is below the set UVP value the inverter shuts-down; Once the input voltage rises above the set UVP value, the inverter will automatically restart. Default= 25 VDC for 24 V Model, 50 VDC for 48 V Model Model Setting Value Range 24 V 23 VDC ~ 27 VDC 48 V 46 VDC ~ 54 VDC 10). UV Alarm Sets Under Voltage (UV) alarm. When the input voltage is lower than the set value, the unit will sound “beep” to remind that the unit is going to shutdown.
than 43 Hz or more than 58 Hz, the internal bypass relay will de-energize. (See details in Section 2-2) Default= 0.1Hz ~ 7Hz. Model Setting Value Range 110V 0.1 Hz ~ 7 Hz 220V 0.1 Hz ~ 7 Hz 14). Bypass Relay The setup is provided in one of the following two ways On line Mode or Off line Mode (Exacting, Normal, Haphazard). Default= Normal (Off line).
15). Overload Alarm Sets the overload alarm. When the output power is higher than the set value, the unit will sound “beep” to remind that the unit is going to shutdown. At the same time, the internal Dry Contact Relay will open/close (See details in Section 3-1-6). Default= 100% Setting range= 50%~110% 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 PIN N.
6-1-4. Coupled with PC software application port. Operation is as detailed in Section 6-2. 6-2. Interface Commands The buffer size used for the RS-232 port is 12-byte. This unit will ignore all bytes more than this value. During transmission, this unit will indicate it is ready to receive data from computer by this DTR line. A computer has to check the DTR line before sending any information to this unit. This unit is normally always ready to receive data while operating.
1). Command to switch the Power ON/OFF Format Power A space (ASCII code 20H) is needed between Power and . Example can be one of the following. “0” Power off “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).
3). Command to query the set value of the Function Format SETT? After “Enter”, the existing set value of the function appears on the PC screen. 4).
FUNC 6 OVP Setting Setting Menu SETT 30~34 OVP Setting SR1000/SR1000T-224 SR1000/SR1000T-148 60 MAX.
FUNC 11 O/P Voltage Setting Menu SETT 97~123 O/P Voltage SETT O/P Frequency 47~63 Sync Frequency Setting Menu SETT Sync Frequency 0.
7. Information 7-1. Troubleshooting WARNING! Do not open or disassemble the SR series Inverter. Attempting to service the unit may cause risk of electrical shock or fire. Problems and Symptoms Possible Cause Solutions No AC Power “Output” a. LCD Panel Display “OLP Short circuit , wiring error. Check AC wiring for short Shutdown” over loading. circuit . LCD Panel Display “OVP Over input voltage (OVP) Check input voltage. Reduce load. b. Shutdown” c.
No.33, Sec. 2, Renhe Rd., Daxi Dist., Taoyuan City 33548, Taiwan FAX +886-3-3802333 Phone +886-3-3891999 http // www.cotek.com.tw 2016.06.
