MS2000 Installation Guide MS2000 Sine Wave Inverter/Charger
MS2000 Sine Wave Inverter/Charger Installation Guide
About Xantrex Xantrex Technology Inc. is a world-leading supplier of advanced power electronics and controls with products from 50 watt mobile units to one MW utility-scale systems for wind, solar, batteries, fuel cells, microturbines, and backup power applications in both grid-connected and stand-alone systems. Xantrex products include inverters, battery chargers, programmable power supplies, and variable speed drives that convert, supply, control, clean, and distribute electrical power.
About This Guide Purpose The MS2000 Sine Wave Inverter/Charger Installation Guide describes the procedure for installing the MS2000 Sine Wave Inverter/Charger (MS2000). Scope The Installation Guide provides safety guidelines, detailed planning and setup information, and procedures for installing the inverter/charger. It does not provide information on operation, configuration, troubleshooting, and warranty and product information. Refer to the MS2000 Sine Wave Inverter/Charger Operation Guide.
About This Guide Conventions Used The following conventions are used in this guide. WARNING Warnings identify conditions or practices that could result in personal injury or loss of life. CAUTION Cautions identify conditions or practices that could result in damage to the unit or other equipment. Important: These notes contain information that is important for you to know, but is not as critical as a caution or warning. Symbols Used The following symbols are used on the product labels or in this guide.
About This Guide Related Information For related materials on this Xanbus-enabled product and its available accessories, see also: MS2000 Sine Wave Inverter/Charger Operation Guide (975-0125-02-01) Automatic Generator Start Owner’s Guide (975-0082-01-01) System Control Panel Owner’s Guide (975-0083-01-01) Xanbus System Installation Guide (975-0136-01-01) More information about Xantrex Technology Inc.
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Important Safety Instructions READ AND SAVE THESE INSTRUCTIONS The MS2000 Sine Wave Inverter/Charger Installation Guide contains important safety instructions. Before you install and use your MS2000 Sine Wave Inverter/Charger, be sure to read, understand, and save these safety instructions and those in the other product guides. Read all cautionary markings on the inverter/charger, the batteries, and all appropriate sections of this guide.
Safety 6. Do not disassemble the inverter/charger; it does not contain userserviceable parts. Take it to a qualified service person when service or repair is required. Incorrect reassembly may result in a risk of electrical shock or fire. Internal capacitors remain charged after all power is disconnected. For instructions on obtaining service, see the section in the MS2000 Sine Wave Inverter/Charger Operation Guide. 7. Do not expose the inverter/charger to rain, snow, or splashing bilge water. 8.
Safety Explosive Gas Precautions WARNING: Risk of explosive gases Working in the vicinity of a lead-acid battery is dangerous. Batteries generate explosive gases during normal battery operation. For this reason, it is of utmost importance that each time before servicing equipment in the vicinity of the battery, you must read this guide and follow the instructions closely. 1.
Safety 7. Remove personal metal items such as rings, bracelets, necklaces, and watches when working with a lead-acid battery. A lead-acid battery can produce a short-circuit current high enough to weld a ring or the like to metal, causing a severe burn. 8. Never charge a frozen battery. 9. If it is necessary to remove a battery, always remove the grounded terminal from the battery first. Make sure all the accessories are off, so as not to cause an arc. 10.
Contents Important Safety Instructions Explosive Gas Precautions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - vii Personal Precautions When Working With Batteries - - - - - - - - - - - - - - - - - - - - - - - - - - vii FCC Information to the User - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - viii Installation Installation Information - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2 Be
Contents General AC Wiring Considerations - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 20 Connecting AC Input Wires - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 21 Connecting the AC Output Wires - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 22 Step 4: Connecting the Main DC Cables - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 23 DC Connection Precaution - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Contents Monthly Battery Maintenance - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -48 Preparation for Cleaning Batteries - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -49 Clothing - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -49 Tools - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -49 Equipment - - - - - - - - - - - - - - - - - - - - - - - -
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Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 975-0126-02-01 Typical Xanbus System Diagram- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3 Typical Marine Electrical System - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 MS2000 Hardware Materials as Shipped - - - - - - - - - - - - - - - - - - - - - - - - 13 Approved M
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Installation The Installation Guide provides detailed information for installing the MS2000 Sine Wave Inverter/Charger, Echo Charger, and the battery temperature sensor. The MS2000 is a Xanbus®-enabled device that typically powers the Xanbus system. For information on installing the Xanbus system, see the Xanbus System Installation Guide, which is available for download at www.xantrex.com.
Installation Installation Information Before You Begin the Installation Before beginning your installation: • • • • • Read the entire Installation Guide so you can plan the installation from beginning to end. Read the Xanbus System Installation Guide to plan your network requirements. Assemble all the tools and materials you require for the installation. Review the Important Safety Instructions on page v. Be aware of all safety and electrical codes which must be met.
Installation About the Xanbus System The Xanbus system includes the MS2000 Sine Wave Inverter/Charger and other Xanbus-enabled devices, as shown in Figure 1, “Typical Xanbus System Diagram”. Each Xanbus-enabled device interacts and communicates with the other devices on the network, creating a power system that can be precisely configured to your needs. The MS2000 is the device that typically provides power in a Xanbus system.
Installation Xanbus Enabled The Xanbus-enabled designation means that this product will work on a Xanbus network. Xanbus-enabled products are: • • • • Easy to use. The Xanbus network simplifies operation and automates routine tasks. Reliable. Software control eliminates errors due to analog signalling. Accurate. Digital information is less susceptible to interference and line loss. Upgradeable. Firmware upgrades mean your purchase will remain up to date.
Installation Planning the Installation This section provides information to help you plan for a basic installation of the MS2000. As your system configuration is determined, record the details in Information About Your System on page WA-4 of the MS2000 Sine Wave Inverter/Charger Operation Guide. Two Key Performance Factors Two key factors in particular will have a major impact on system performance.
Installation AC, DC, and Network Components For a successful installation, you need to plan for AC, DC, and network components of the power system. The AC and DC components are described in this section and illustrated in Figure 2, “Typical Marine Electrical System” on page 7.
Installation Sine Wave Inverter/Charger Automatic Generator Start System Control Panel Echo Charger + DC + DC - AC In AC Out DC Fuse Engine Negative Terminal/Bus Engine Battery House Battery AC Main Panel Battery Temperature Sensor Non-Inverter Loads R ESET TEST Inverter AC Panel Transfer Switch Alternator GFCI AC Input (Shore Power) Generator Figure 2 Typical Marine Electrical System Important: In Figure 2, “Typical Marine Electrical System” on page 7, no attempt has been made to show
Installation AC Components AC Input A source of 120 volts AC single-phase, 60 Hz alternating current is needed to provide energy for charging batteries and to pass through to AC loads. AC input can be supplied from an AC source like the utility grid (power company), from a generator, or from the output of a transfer switch. These sources must have their neutral conductors bonded to ground. See “AC Output Neutral Bonding” on page 9.
Installation Table 1 Tested GFCI Models Manufacturer Model Number Hubbell GFR5252WA Leviton 8599-GY Pass & Seymour 1594-W Disconnect Devices Each system requires a method of disconnecting the AC circuits. If the overcurrent protection device is a circuit breaker, it will also serve as the disconnect. If fuses are used, separate AC disconnect switches will be needed ahead of the fuses.
Installation generators to have their neutral conductors tied to ground at the source of power in the same way that the neutral conductor from the utility is tied to ground. These same codes specify that the neutral can only be connected to ground in one place at any one time. Suitability 10 This automatic neutral-to-ground bonding system is suited for installations in which the AC input source is known to have a bonded neutral.
Installation DC Components Batteries The MS2000 can be installed to operate with two different battery systems—a house battery and an engine battery. Each system may be a single battery or a bank of several batteries connected in series, parallel, or series-parallel. House battery The house battery is the large capacity, deep cycle battery that is connected to the inverter/charger’s main DC terminals. The MS2000 requires the house battery to provide the DC current that the inverter converts to AC power.
Installation Table 2 Required DC Input Cable (copper) and Fuse Size From MS2000 to house battery bank From Echo Charger to engine battery Maximum DC Cable Length (one way) 10 feet (3 meters) 20 feet (6 meters) Maximum Total Length (two way) 20 feet (6 meters) n/a Minimum Recommended Cable Size No.
Installation Unpacking and Inspecting the Inverter/Charger WARNING: Heavy load The MS2000 Sine Wave Inverter/Charger weighs approximately 67 lbs (30 kg). The unit is too heavy for one person to safely lift and mount. Xantrex recommends that two people lift and mount the unit. Always use proper lifting techniques during installation to prevent personal injury.
Installation 3. Save your purchase receipt to use as proof-of-purchase, especially for warranty service. This is required if the inverter/charger should need warranty service. 4. Save the original shipping carton and packing materials. If the inverter/ charger needs to be returned for service, it should be shipped in the original carton. This is also a good way to protect the inverter/charger if it ever needs to be moved.
Installation Installing the Inverter/Charger Overview This section provides detailed information on installing the MS2000. The overall procedure is divided into nine steps: 1. Choosing a location 2. Mounting the inverter/charger 3. Connecting the AC input wires and AC output wires 4. Connecting the DC cables 5. Connecting the Echo Charger 6. Connecting the battery temperature sensor 7. Connecting to the network 8. Performing checks prior to initial start-up 9.
Installation Step 1: Choosing a Location for the Inverter/Charger WARNING: Risk of fire or explosion This equipment is not ignition protected, and contains components that could produce arcs or sparks. To reduce the risk of fire or explosion, do not install this equipment in compartments containing flammable materials, or in locations that require ignitionprotected equipment.
Installation 975-0126-02-01 Close to battery compartment The length and size of your DC cables will affect performance. Use the DC cables recommended in Table 2 on page 12. The unit should not be installed in the battery compartment due to the possible presence of explosive hydrogen gas from the batteries. Protected from battery acid and gases Never place the inverter/charger directly above the batteries—gases from battery will corrode and damage the inverter/charger.
Installation Step 2: Mounting the Inverter/Charger Considerations Before mounting the MS2000, take the following two factors into account. 1. The weight of the inverter/charger requires two people to install it. 2. Mounting considerations are shown in Figure 4 on page 19 and described in Table 3 on page 19. WARNING: Heavy load The MS2000 Sine Wave Inverter/Charger weighs approximately 67 lbs (30 kg). The unit is too heavy for one person to safely lift and mount.
Installation 1 - Desktop mount 2 - Wall mount Figure 4 Approved Mounting Orientations Table 3 Description of Approved Mounting Orientations Number Approved Mounting Orientation 975-0126-02-01 1 Desktop 2 Wall mount orientation, on a vertical surface with DC terminals facing down.
Installation Step 3: Connecting the AC Input and AC Output Wires WARNING: Fire, shock, and energy hazards Make sure wiring is disconnected from all electrical sources before handling. All wiring must be done in accordance with local and national electrical wiring codes. General AC Wiring Considerations AC and DC Wiring Separation Do not mix AC and DC wiring in the same conduit or panel. Consult the applicable installation code for details about DC wiring and AC wiring in vicinity to each other.
Installation Connecting AC Input Wires A detailed view of the MS2000 wiring compartment with the AC compartment panel removed is shown in Figure 6. The terminal block is used to hardwire the AC input and AC output connections. CAUTION: Equipment damage The terminal block is split into INPUT and OUTPUT sections. Damage may occur if the unit is wired incorrectly. Do not remove or loosen factory installed wiring.
Installation Figure 6 AC In and AC Out: Hardwiring Completed Connecting the AC Output Wires CAUTION: Risk of equipment damage Do not connect the output of the inverter to any incoming AC source. To make the AC output wiring connections: 1. Remove one of the AC knockouts from the front or side of the unit. Do not leave the knockout inside the wiring compartment 2. Install a strain-relief clamp in the AC knockout.
Installation Step 4: Connecting the Main DC Cables DC Connection Precaution WARNING: Energy hazard Connect and disconnect DC wiring only after opening the disconnect switches or breakers at all AC and DC sources. Recommended Cable Sizes and Lengths and Fuse Size For the best load starting surge performance, the DC cables should be as short as possible and large enough to handle the required current, in accordance with the electrical codes or regulations applicable to your installation.
Installation Guidelines for Routing the DC Cables Follow these guidelines to ensure maximum performance. WARNING: Fire and shock hazard Route the cables away from sharp edges that might damage the insulation. Avoid sharp bends in the cable. • • • • 24 Do not attempt to use the chassis in place of the main bank battery negative connection for grounding. The inverter requires a reliable return path directly to the battery.
Installation Connecting the DC Cables to the Inverter/Charger WARNING: Fire hazard Use only appropriately sized copper cable. Loose connections or improper connections will overheat. Make sure the bolts supplied by Xantrex on the inverter/charger are tightened to a torque of 15–16 ft-lbs (20.4–21.7 Nm). Torque all other connections to the manufacturer’s specifications. Make sure the DC cable, washers, and bolt are assembled in the order shown in Figure 7.
Installation Figure 7 DC Cable Connections 6. Before proceeding, check that the cable polarity is correct: POSITIVE (+) on the inverter/charger is connected to the POSITIVE (+) on the battery, and NEGATIVE (–) cable is connected to the NEGATIVE (–) terminal on the inverter/charger. Important: The next step is the last cable connection you need to make. A spark is normal when this connection is made. 7. Connect the other end of the NEGATIVE (–) cable to the NEGATIVE (–) terminal on the battery. 8.
Installation ! Figure 9 Completed DC Wiring 975-0126-02-01 27
Installation DC Grounding The Chassis Ground point on the inverter/charger is used to connect the chassis of the inverter/charger to your system’s DC grounding point, as required by regulations for some installations. Use copper wire that is either bare or provided with green insulation. The grounding guideline given below assumes you are using the code-compliant DC supply cable and fuse sizes indicated in this Installation Guide.
Installation Step 5: Connecting the Echo Charger The Echo Charger connection is made above the network and battery temperature sensor jacks. See Figure 11. Echo Charger port ! Battery Temp. jack Network jacks Figure 11 Echo Charger Port The Echo Charger requires a single positive cable connected between the Echo Charger port on the MS2000 and the engine battery.
Installation 3. Using the slot screwdriver with a 1/8" blade, press down on the tension clip through the slot located at the top of the connector. While pressing down on the tension clip, insert the end of the cable with insulation removed into the left-side round hole at the front of the connector. See Figure 12. OR You can also insert the screwdriver blade into the square hole above the leftside hole and twist the screwdriver to press down on the tension clip before inserting the cable.
Installation Connecting the Cable WARNING: Energy hazard Connect and disconnect DC wiring only after opening the disconnect switches or breakers at all AC and DC sources. To connect the Echo Charger cable: 1. Route the cable from the engine battery to the Echo Charger port on the MS2000. 2. Connect the cable to the fuse on the POSITIVE (+) terminal of the engine battery. 3. Plug the Echo Charger connector into the port on the MS2000. 4.
Installation WARNING: Energy and explosion hazard Review the “Important Safety Instructions” on page v. Mounting Options You can mount the BTS in one of two ways: • • Mounting the sensor to the negative post of one of the house batteries allows the internal battery temperature to be sensed and provides the most accurate results. Attaching the sensor to the side of one of the house batteries using the selfadhesive backing also provides good results in most situations.
Installation 6. Mount the sensor directly on top of the ring terminal, as shown in Figure 14, and firmly tighten the terminal nut. WARNING: Fire hazard In this procedure, you must install the DC wire on the battery terminal first. Then the sensor is installed on top of the DC wire. This sequence is required to provide the best connection to the battery and to ensure correct performance of the sensor. 7. Check to ensure that the sensor and all wires are held firmly and cannot be moved. 8.
Installation Mounting to the Side of the Battery Case To mount the sensor on the battery case: See Figure 16. Figure 16 BTS Mounted on the Battery Case 1. Select the battery from the house battery bank to be monitored. 2. Select a side suitable for attaching the sensor. The surface where the sensor is to be mounted must be flat and free from reinforcing ribs or other raised features. This surface must be in direct internal contact with the battery electrolyte.
Installation Step 7: Connecting to the Network For your reference, Figure 17 shows where the network connections are made on the MS2000. The network cable can be plugged into either one of the two network jacks on the MS2000. CAUTION: Equipment Damage Connect the MS2000 only to other Xanbus compatible devices. Although the cabling and connectors used in this network system are the same as Ethernet connectors, this network is not an Ethernet system.
Installation Step 8: Performing Checks Prior to Initial Start-Up Before testing your installation, ensure these conditions are met: ❐ Chassis and AC grounds are properly installed. ❐ AC input connections and AC output connections are wired correctly on the terminal block and not reversed. ❐ Positive (+) battery cable is connected to the house bank positive (+) battery terminal through the DC fuse and disconnect switch or DC circuit breaker.
Installation Step 9: Testing Your Installation WARNING: Shock hazard The Inverter Enable button on the MS2000 and the optional accessories do not disconnect DC or AC input power to the MS2000. There are several tests to be performed for testing your installation. These tests will verify that: • • • • The MS2000 works in invert mode. The MS2000 works in charge mode. The MS2000 works in AC bypass mode. The Echo Charger is functioning.
Installation Testing in AC Bypass Mode To test the MS2000 in transfer mode: 1. Close the AC supply breaker to supply AC power to the unit. The transfer from invert to AC input power occurs. 2. Press the Charger Enable button to disable the charger. Verify that the Charger Enable light is not illuminated. AC loads will still be powered. Testing the Echo Charger 1. Close the Echo Charger disconnect switch or replace the fuse. 2.
Installation 14.
Installation Battery Information “Battery Information” discusses the physical make-up and characteristics of chemical storage batteries and will help you to understand the factors involved in battery selection, charging, care, and maintenance. This information is a guideline only. The manufacturer of each battery is the best authority on its use and care. Terminology A description of battery charger operation requires the use of terms that you may not be familiar with.
Installation Battery Types For the purposes of this discussion, there are two principal types of batteries: starting and deep-cycle. Batteries are either sealed or vented. However, there are even different kinds of these batteries. This section explains some of the differences among lead-acid batteries to help you choose a battery that best suits your needs. Your MS2000 Sine Wave Inverter/Charger is designed for use with deep-cycle, lead-acid batteries.
Installation Another popular and inexpensive battery of this type is the “golf cart” (T-105 or CG220 or US 2200) battery. These six-volt batteries can be connected in series to form a 12 V system and can be discharged repeatedly to 80% of their capacity without being severely damaged. This is the minimum quality of battery that should be used with the inverter in normal applications. Some systems use the L16 type of battery.
Installation Enclosures Batteries must be protected inside a ventilated enclosure. The enclosure should be ventilated to the outdoors from the highest point to prevent the accumulation of hydrogen gases released in the charging process. An air intake should also be provided at a low point in the enclosure to allow air to enter the enclosure to promote good ventilation. Temperature Effect of cold temperature The effective capacity of a battery is reduced when the temperature is cold.
Installation Battery Bank Sizing Purchase as much battery capacity as possible Battery size or capacity is just as important as the battery type selected for use with your MS2000 Sine Wave Inverter/Charger. The batteries are the most important part of your system, so Xantrex recommends that you purchase as much battery capacity as possible. A large battery will extend running time and ensure that your inverter/charger delivers full rated surge.
Installation Estimating Battery Requirements To determine the proper battery bank size, you need to compute the number of amp-hours that will be used between charging cycles. When the required amphours are known, size the batteries at approximately twice this amount. Doubling the expected amp-hour usage ensures that the batteries will not be overly discharged and extends battery life.
Installation Battery Bank Sizing Example The following battery sizing example illustrates a typical calculation, assuming an opportunity to charge the battery every three days: Table 1-1 Battery Sizing Example (B) Operating Time per Day (Hours) Daily watt-hours needed for this appliance (= A × B) Appliance (A) Power Consumption (Watts) TV & VCR 200 W 2 hours 400 Wh Small microwave oven 800 W 15 min = 1/4 hour 200 Wh 3 lamps, 60 W each 180 W 4 hours 720 Wh Coffee maker 600 W 15 min = 1/4
Installation Battery Bank Sizing Worksheet The following worksheet is a guide to help you determine your battery needs. Be generous in estimating the time for which you will run each of the loads to ensure sufficient battery capacity.
Installation Monthly Battery Maintenance Read the section “Personal Precautions When Working With Batteries” on page vii prior to working on batteries. WARNING: Risk of acid burns Wear appropriate clothing, eye protection, and rubber gloves when carrying out battery maintenance activities WARNING: Risk of fire, explosions, burns Use caution when wearing jewellery or working with metal tools around batteries. Do not allow any metal object to contact both battery terminals at the same time.
Installation Preparation for Cleaning Batteries Dirty batteries can leak current and tend to run hotter. Ultimately, this affects the performance of your inverter/charger, resulting in inefficient inverting and incomplete charging. Cleaning batteries when necessary is easy and safe when you follow these instructions. Gather what you need before beginning the procedure. The appropriate clothing, tools, equipment, and supplies are listed as follows.
Installation Maintaining and Cleaning Follow the appropriate procedures for maintaining and cleaning the: • • • battery enclosure battery terminal and cable lugs battery cables WARNING Review the “Important Safety Instructions” on page v before you begin. Battery Enclosure and Batteries The battery enclosure should be cleaned as required; for example, if you see liquid on the battery. Also wipe off the top of batteries. Mix four ounces of baking soda with a gallon of fresh water.
Installation Reconnect the battery cable terminals to the battery cable lugs and tighten to battery manufacturer’s specifications. If you do not have a torque wrench, use an appropriate tool to tighten the bolts reasonably snug. Do not over-tighten. Reducing corrosion on battery terminals After tightening the cables, evenly coat all of the exposed metal surfaces of the battery terminals and cable lugs with liquid neoprene (liquid electrical tape).
Installation Cabling & Hook-up Configurations Several smaller batteries can be connected to create a battery bank of substantial size. You can connect batteries in three ways: in parallel, series, or series-parallel. To make a larger battery bank, connect individual batteries with heavy cables. The actual size of the cable depends on whether the batteries are connected in parallel or series.
Installation Series Connection When batteries are connected with the positive terminal of one battery to the negative terminal of the next battery, they are connected in series. In a series configuration, the battery bank has the same Ah rating of a single battery, but an overall voltage equal to the sum of the individual batteries. See Figure 20.
Installation Series-Parallel Connections As the name series-parallel implies, both the series and parallel configurations are used in combination. The result is an increase in both the voltage and the capacity of the total battery bank. This is common with all battery-inverter system voltages. The smaller, lower voltage batteries are first connected in series to obtain the necessary voltage, and then these “batteries connected in series” sets are connected in parallel to increase the battery bank capacity.
Index A AC and DC wiring separation 20 AC circuit breaker 8 AC disconnect device 8 AC fuse 8 AC input wiring connections 21 AC input, defined 8 AC knockout dimensions 20 AC output neutral bonding 9 AC output wiring connections 22 AC wiring 9, 20 AC wiring compartment, illustrated 20 AC wiring terminal, illustrated 20 American Boat and Yacht Council (ABYC) 2, 12 B baking soda 49 batteries effects of temperature 43 estimating capacity requirements 45 monthly maintenance 48 parallel connection 52 requiremen
Index connecting AC input wires 20 connecting AC output wires 20 connecting battery temperature sensor (BTS) 31 connecting BTS cable to BTS jack 34 connecting cables to inverter/charger 25 connecting DC cables 23 connecting Echo Charger 29 connecting network 35 DC grounding 28 materials required 14 mounting the inverter/charger 18 overview 15 performing checks prior to initial start-up 36 routing DC cables 24 testing Echo Charger 38 testing in AC bypass mode 38 testing in charge mode 37 testing in invert mo
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