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Samlex Europe PSI 1000-12/24 Manual

Pure sinewave inverter
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SINEWAVE INVERTER
Pure Sinewave Inverter
Model No.
PSI 1000 - 12/24
PSI 1500 - 12/24
PSI 2000 - 12/24
PSI 3000 - 12/24
Manual
Please read this manual before operating your inverter

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Summary of Contents for Samlex Europe PSI 1000-12/24

  • Page 1 SINEWAVE INVERTER Pure Sinewave Inverter Model No. PSI 1000 - 12/24 PSI 1500 - 12/24 PSI 2000 - 12/24 PSI 3000 - 12/24 Manual Please read this manual before operating your inverter...

  • Page 2: Table Of Contents

    OWNER’S MANUAL | Index SECTION 1 Safety Instructions ........3 SECTION 2 General Information ........6 SECTION 3 Limiting Electromagnetic Interference (EMI) ...... 13 SECTION 4 Powering Direct / Embedded Switch Mode Power Supplies (SMPS) ............14 SECTION 5 Principle of Operation....... 16 SECTION 6 Layout ............

  • Page 3: Safety Instructions

    SECTION 1 | Safety Instructions 1.1 IMPORTANT SAFETY INSTRUCTIONS AND SYMBOLS SAVE THESE INSTRUCTIONS. This manual contains important instructions for PSI models that shall be followed during installation, operation and maintenance. The following safety symbols will be used in this manual to highlight safety and information: WARNING! Indicates possibility of physical harm to the user in case of non-...
  • Page 4 SECTION 1 | Safety Instructions Installation environment • The inverter should be installed indoor only in a well ventilated, cool, dry environment. • Do not expose to moisture, rain, snow or liquids of any type. • To reduce the risk of overheating and fire, do not obstruct the suction and discharge openings of the cooling fan.
  • Page 5 SECTION 1 | Safety Instructions CAUTION! To prevent possibility of paralleling and severe damage to the unit, never use a simple jumper cable with a male plug on both ends to connect the AC output of the unit to a handy wall receptacle in the home / RV. Preventing DC Input Over Voltage It is to be ensured that the DC input voltage of this unit does not exceed 15.8 VDC for the 12V battery version and 31.2 VDC for the 24V battery version to prevent...

  • Page 6: General Information

    SECTION 2 | General Information 2.1. DEFINITIONS The following definitions are used in this manual for explaining various electrical concepts, specifications and operations: Peak Value: It is the maximum value of electrical parameter like voltage / current. RMS (Root Mean Square) Value: It is a statistical average value of a quantity that varies in value with respect to time.
  • Page 7 SECTION 2 | General Information and capacitance and causes the current vector to lead the voltage vector by Phase Angle (φ) = 90°. The unit of both X and X is “Ohm” - also denoted as “Ω”. The effects of inductive reactance X to cause the current to lag the voltage by 90°...
  • Page 8 SECTION 2 | General Information Surge Power Rating: During start up, certain loads require considerably higher surge of power for short duration (lasting from tens of millisecs to few seconds) as compared to their Maximum Continuous Running Power Rating. Some examples of such loads are given below: •...
  • Page 9 SECTION 2 | General Information will be > 0 <1. Normally it ranges from 0.5 to 0.8 e.g. (i) AC motors (0.4 to 0.8), (ii) Transformers (0.8) (iii) AC to DC Switch Mode Power Supplies (0.5 to 0.6) etc. Load: Electrical appliance or device to which an electrical voltage is fed. Linear Load: A load that draws sinusoidal current when a sinusoidal voltage is fed to it.
  • Page 10 SECTION 2 | General Information 2.2 OUTPUT VOLTAGE WAVEFORMS Modi ed Sine Sine Wave Wave sits at Modi ed Sine Wave ZERO for some time and then rises or falls Pure Sine Wave crosses Zero Volt instantaneously TIME Fig. 2.1: Pure and Modified Sine Waveforms for 230 VAC, 50 Hz. The output waveform of the PSI series inverters is a Pure Sine Wave like the waveform of Utility / Grid Power.
  • Page 11 SECTION 2 | General Information 2.3 ADVANTAGES OF PURE SINE WAVE INVERTERS • The output waveform is a Sine Wave with very low harmonic distortion and cleaner power like Utility / Grid supplied electricity. • Inductive loads like microwaves, motors, transformers etc. run faster, quieter and cooler.
  • Page 12 SECTION 2 | General Information The power rating of inverters is specified as follows: • Maximum Continuous Running Power Rating. • Surge Power Rating to accommodate high, short duration surge of power required during start up of certain AC appliances and devices. Please read details of the above two types of power ratings in Section 2.1 under “DEFINITIONS”...

  • Page 13: Limiting Electromagnetic Interference (Emi)

    SECTION 2 | General Information NOTES FOR TABLE 2.1 1. Multiply the Maxim um Continuous Running Power Rating (Active Power Rating in Watts) of the appliance / device by the recommended Sizing factor to arrive at the Maximum Continuous Running Power Rating of the inverter.

  • Page 14: Powering Direct / Embedded Switch Mode Power Supplies (Smps)

    SECTION 4 | Powering Direct / Embedded Switch Mode Power Supplies (SMPS) 4.1 CHARACTERISTICS OF SWITCHED MODE POWER SUPPLIES (SMPS) Switch Mode Power Supplies (SMPS) are extensively used to convert the incoming AC power into various voltages like 3.3V, 5V, 12V, 24V etc. that are used to power various devices and circuits used in electronic equipment like battery chargers, computers, audio and video devices, radios etc.
  • Page 15 SECTION 4 | Powering Direct / Embedded Switch Mode Power Supplies (SMPS) NOTE: Voltage and current scales are di erent Input voltage Peak inrush current Rated steady state input RMS current Inrush current Fig 4.1: Inrusch current in an SMPS. NOTE: Voltage Peak Current and current scales...

  • Page 16: Principle Of Operation

    SECTION 5 | Principle of Operation 5.1 GENERAL These inverters convert DC battery voltage to AC voltage with an RMS (Root Mean Square) value of 230 VAC, 50 Hz RMS. 5.2 PURE SINE WAVE OUTPUT WAVEFORM The waveform of the AC voltage is a pure Sine Waveform that is same as the waveform of Grid / Utility power (Supplementary information on pure Sine Waveform and its advantages are discussed in Sections 2.2 to 2.4).

  • Page 17: Layout

    SECTION 6 | Layout PSI 1000-12 PSI 1000-24 PSI 1500-12 PSI 1500-24 PSI 2000-12 PSI 2000-24 PSI 3000-12 PSI 3000-12 1. Ventilation Openings 4. LED Indicators 2. Dual AC Output Outlets 5. Remote Control 3. ON/OFF Switch 1. DC Input “-” 3.

  • Page 18: General Information On Lead-Acid Batteries

    SECTION 7 | General Information on Lead Acid Batteries 7.1 GENERAL Lead-acid batteries can be categorized by the type of application: 1. Automotive service - Starting / Lighting / Ignition (SLI, a.k.a. cranking), and 2. Deep cycle service. Deep Cycle Lead Acid Batteries of appropriate capacity are recommended for powering of inverters.
  • Page 19 SECTION 7 | General Information on Lead Acid Batteries Reserve capacity is the time in minutes for which the battery can deliver 25 Amperes at 80ºF (26.7ºC) till the voltage drops to 1.75V / Cell i.e. 10.7V for 12V battery, 21.4V for 24V battery and 42V for 48V battery.
  • Page 20 SECTION 7 | General Information on Lead Acid Batteries Table 7.2 below gives some examples of C-Rate specifications and applications: TABLE 7.2 DISCHARGE CURRENT RATES - “C-RATES” Hours of discharge time “T” “C-Rate” Discharge Current in Example of C-Rate Discharge till the “End Point Voltage”...
  • Page 21 SECTION 7 | General Information on Lead Acid Batteries 7.8 REDUCTION IN USABLE CAPACITY AT HIGHER DISCHARGE RATES – TYPICAL IN INVERTER APPLICATION As stated above, the rated capacity of the battery in Ah is normally applicable at a discharge rate of 20 hours. As the discharge rate is increased as in cases where the inverters are driving higher capacity loads, the usable capacity reduces due to “Peukert Effect”.
  • Page 22 SECTION 7 | General Information on Lead Acid Batteries TABLE 7.4 STATE OF CHARGE VERSUS STANDING VOLTAGE Percentage of Standing Voltage of Standing Voltage of Standing Voltage of Full Charge Individual Cells 12V Battery 24V Battery 100% 2.105V 12.63V 25.26V 2.10V 12.6V 25.20V...
  • Page 23 SECTION 7 | General Information on Lead Acid Batteries Coefficient – during charging / discharging, the terminal voltage drops with rise in temperature and rises with drop in temperature. - The amount of discharging current or “C-Rate”: A battery has non linear internal resistance and hence, as the discharge current increases, the battery terminal voltage decreases non-linearly.
  • Page 24 SECTION 7 | General Information on Lead Acid Batteries 7.12 LOW DC INPUT VOLTAGE SHUT-DOWN IN INVERTERS As explained above, at around 80% State of Discharge of the battery at C-Rate discharge current of around C/5 Amps, the Low DC Input Voltage Alarm is sounded at around 11V for a 12V battery (at around 22V for 24V battery) to warn the user to disconnect the battery to prevent further draining of the battery.
  • Page 25 SECTION 7 | General Information on Lead Acid Batteries 7.13 USE OF EXTERNAL PROGRAMMABLE LOW VOLTAGE DISCONNECTS The above ambiguity can be removed by using an external, programmable Low Voltage Disconnect where more exact voltage threshold can be set to disconnect the battery based on the actual application requirements.
  • Page 26 SECTION 7 | General Information on Lead Acid Batteries 7.15 SERIES AND PARALLEL CONNECTION OF BATTERIES 7.15.1 Series Connection Cable “A” Battery 4 Battery 3 Battery 2 Battery 1 24V Inverter or 24V Charger Cable “B” Fig. 7.2: Series Connection. When two or more batteries are connected in series, their voltages add up but their Ah capacity remains the same.
  • Page 27 SECTION 7 | General Information on Lead Acid Batteries same but their Ah capacities add up. fig. 7.3 shows 4 pieces of 12V, 100 Ah batteries connected in parallel to form a battery bank of 12V with a capacity of 400 Ah. The four Positive terminals of Batteries 1 to 4 are paralleled (connected together) and this common Positive connection becomes the Positive terminal of the 12V bank.
  • Page 28 SECTION 7 | General Information on Lead Acid Batteries battery String 2 as in fig. 7.4). This connection ensures the following: - The resistances of the interconnecting cables will be balanced. - All the individual batteries / battery strings will see the same series resistance.
  • Page 29 SECTION 7 | General Information on Lead Acid Batteries From table 7.3 “Battery Capacity versus Rate of Discharge”, the usable capacity at 3 hour discharge rate is 60%. Hence, the actual capacity of the 12V batteries to deliver 300 Ah will be equal to: 300 Ah ÷ 0.6 = 500 Ah, and the actual capacity of the 24V battery to deliver 150 Ah will be equal to 150 Ah ÷...

  • Page 30: Installation

    SECTION 8 | Installation 8.1 LOCATION OF INSTALLATION Please ensure that the following requirements are met: Working Environment: Indoor use. Cool: Heat is the worst enemy of electronic equipment. Hence, please ensure that the unit is installed in a cool area that is also protected against heating effects of direct exposure to the sun or to the heat generated by other adjacent heat generating devices.
  • Page 31 SECTION 8 | Installation Preventing Radio Frequency Interference (RFI): The unit uses high power switching circuits that generate RFI. This RFI is limited to the required standards. Locate any electronic equipment susceptible to radio frequency and electromagnetic interference as far away from the inverter as possible. Read Section 3, page 11 “Limiting Electromagnetic Interference (EMI)”...
  • Page 32 SECTION 8 | Installation PSI-1000-12/24 PSI-1500-12/24 PSI-2000-12/24 PSI-3000-12/24 Unit in mm 3.25 Fig. 8.1: Overall dimensions & Mounting Slots PSI inverter. 22.5 R3 R1.5 Fig. 8.2: Overall dimensions & Mounting Holes Remote Control.
  • Page 33 SECTION 8 | Installation 8.4 DC SIDE CONNECTIONS 8.4.1 Preventing DC Input Over Voltage It is to be ensured that the DC input voltage of this unit does not exceed 15.8 VDC for the 12V battery versions and 31.2 VDC for the 24V battery versions to prevent permanent damage to the unit.
  • Page 34 SECTION 8 | Installation 8.4.3 Connection from Batteries to the DC Input Side – Sizing of Cables and Fuses CAUTION! The input section of the inverter has large value capacitors connected across the input terminals. As soon as the DC input connection loop (Battery (+) terminal ...
  • Page 35 SECTION 8 | Installation cables rated at 105ºC / 77°F minimum. Do not use aluminum cable as it has higher resistance per unit length. Cables can be bought at a marine / welding supply store. Effects of low voltage on common electrical loads are given below: •...
  • Page 36 SECTION 8 | Installation 8.4.5 Recommended Sizes of Battery Cables and Fuses Sizes of cables and fuses are shown in table 8.2. Sizing is based on safety considerations in UL-458, NEC-2014 and ISo -10133. Please refer to “Notes for table 8.2”...
  • Page 37 A AC output Line output Breaker and Neutral (based on conductors as column 3) per NEC (125% times Column 2) PSI 1000-12/24 1.5 - 2.5 PSI 1500-12/24 1.5 - 2.5 PSI 2000-12/24 10.8 1.5 - 2.5 PSI 3000-12/24 16.3 8.6 GROUNDING TO EARTH OR TO OTHER DESIGNATED GROUND...
  • Page 38 SECTION 8 | Installation 8.7 REMOTE CONTROL The PSI series inverter is standard equipped with the Basic Remote Control and 5 meter 8 pin UTP cable. The remote port for the UTP cable on the inverter is shown in the layout section 6. It is position 5, the Remote Control Port.
  • Page 39 SECTION 8 | Installation Battery voltage: The four green LED’s represent the battery voltage: LED 1 : >10V LED 2 : >11.5V LED 3 : >12V LED 4 : >12.5V Out- and input fault indication: OUTPUT FAULT: Red LED, overload/ short-circuit shut down. INPUT FAULT: Yellow LED, high or low input voltage/ over-heat shutdown.

  • Page 40: Operation

    SECTION 9 | Operation 9.1 SWITCHING THE INVERTER ON/OFF Before switching on the inverter, check that all the AC loads have been switched off. The 2-Position Rocker Switch marked ON/OFF. Switch (section 6) on the front panel of the inverter is used to switch ON and switch OFF the inverter. This switch operates a low power control circuitry, which in turn controls all the high power circuitry.

  • Page 41: Protections

    SECTION 9 | Operation 9.4 INDICATIONS FOR NORMAL OPERATION When the inverter is operating normally and supplying AC load(s), the Green LED will be lighted. 9.5 NO LOAD DRAW (IDLE CURRENT) When the unit is switched ON, all the circuitry inside the inverter becomes alive and the AC output is made available.
  • Page 42 SECTION 10 | Protections • Active Power (Watts) = Apparent Power (VA) x Power Factor (PF). • For resistive type of loads, the Power Factor = 1 and hence, Apparent Power (VA) = Active Power (Watts, W). • For reactive types of loads, the Power Factor will be < 1 (up to 0.5) and hence, the Active Power (Watts, W) will be less than the Apparent Power (VA).
  • Page 43 SECTION 10 | Protections 10.3 LOW DC INPUT VOLTAGE SHUT DOWN If the voltage at the DC input terminals falls below 10.5 VDC ± 0.2 VDC for 12V versions or 21.0 VDC ± 0.4 VDC for 24V versions, the AC output is shut down. Buzzer alarm is sounded.
  • Page 44 SECTION 10 | Protections 10.7 REVERSE POLARITY AT THE DC INPUT TERMINALS The positive of the battery should be connected to the Positive DC input terminal of the inverter and the Negative of the battery should be connected to the Negative DC input terminal of the inverter.

  • Page 45: Troubleshooting Guide

    SECTION 11 | Troubleshooting Guide TABLE OF FAULT/ ALARM MONITORING Description of Fault Buzzer Reset Output Green Yellow Low voltage alarm Auto Low voltage shutdown Auto High voltage shut down Auto Over temperature shut down Auto Overload shut down Manual Short circuit shut down Manual Internal/ external fuse blown...

  • Page 46: Specifications

    SECTION 12 | Specifications Model name PSI-1000-12 PSI-1500-12 PSI-2000-12 PSI-3000-12 INPUT DC input voltage range 10.5 - 15.8 VDC (± 0.2 VDC) DC input current at rated load 100A 150A 200A 300A DC input current at no load <0.9A <1.2A <1.3A <1.6A OUTPUT...
  • Page 47 SECTION 12 | Specifications Model name PSI-1000-24 PSI-1500-24 PSI-2000-24 PSI-3000-24 INPUT DC input voltage range 21.0 - 31.2 VDC (± 0.4 VDC) DC input current at rated load 100A 150A DC input current at no load <0.5A <0.6A <0.7A <0.8A OUTPUT AC output voltage 225VAC (±...

  • Page 48: Warranty

    Warranty WARRANTY / LIMITS OF RESPONSIBILITY SAMLEX EUROPE B.V. (SAMLEX) warrants this inverter to be free from defects in workmanship or materials for 24 months from the date of purchase. During this period SAMLEX will repair the defective inverter free of charge. SAMLEX is not responsible for any costs of the transport of this inverter.

  • Page 49: Declaration Of Confirmity

    +31-75-6175299 Declares under our sole responsibility that the product Product Name DC-AC SINEWAVE INVERTER PSI 1000-12/24, PSI 1500-12/24, PSI 2000-12/24, Model No. PSI 3000-12/24 to which this declaration relates is in conformity with the following standards or other normative documents...
  • Page 50 Fax No +31-75-6175299 Declares under our sole responsibility that the product Product Name DC-AC SINEWAVE INVERTER PSI 1000-12/24, PSI 1500-12/24, PSI 2000-12/24, Model No. PSI 3000-12/24 to which this declaration relates is in conformity with the electromagnetic compability regulations 2016.
  • Page 51 SECTION 12 | nOtes: nOtes: NOTES: CAUTION! RISK OF FIRE Do not replace any vehicle fuse with a rating higher than recommended by the vehicle manufacturer. PST-300-12 is rated to draw 360 Amperes from 12V vehicle outlet and PST-300-24 is rated to draw 180 Amperes from 24V battery vehicle outlet. Ensure that the electrical system in your vehicle can supply this unit without causing the vehicle fusing to open.
  • Page 52 www.samlex.com www.samlex-solar.com...

This manual is also suitable for:

Psi 1500-12/24Psi 2000-12/24Psi 3000-12/24

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