Xantrex Technology power Inverter Stacking User Manual
Inverter stacking control series (isc-s) cable
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Table of contents
Document Outline
- Inverter Stacking Control Series (ISC-S) Cable
- About This Guide
- Purpose
- Scope
- Audience
- Organization
- Conventions Used
- CAUTION
- Important:
- Abbreviations and Acronyms
- Related Information
- Important Safety Instructions
- WARNING
- 1. Before installing and using the ISC-S cable, read all instructions and cautionary information ...
- 2. Do not expose the ISC-S cable to rain, snow, spray, or water.
- 3. Use only attachments recommended or sold by the manufacturer. Doing otherwise may result in a ...
- 4. Do not operate the ISC-S cable if it has been damaged in any way. If the ISC- S cable is damag...
- 5. Do not disassemble the ISC-S cable. It contains no user-serviceable parts. See Warranty for in...
- 6. To reduce the risk of electrical shock, disconnect both AC and DC power from the inverters bef...
- WARNING
- Contents
- Figures
- 1
- 2
- Installation
- DC Wiring
- Battery Requirements for Series-stacked Inverters
- Battery-Bank Configuration for Series-stacked Inverters
- Grounding Series-stacked Inverters
- To ground series-stacked inverters:
- 1. Connect the ground bond in the DC disconnect between the inverters and the batteries to the pr...
- 2. Connect an appropriately sized ground wire from the chassis bonding ground lug on the L1 inver...
- 3. Connect a second appropriately sized ground wire from the chassis bonding ground lug on the L2...
- To ground series-stacked inverters:
- Connecting the Battery Bank to the Inverters
- To connect the battery (or battery bank) to the inverters:
- 1. Connect POSITIVE cables:
- a) one cable from the battery POSITIVE terminal to a circuit breaker in the DC disconnect (torque...
- b) a second cable from the same battery POSITIVE terminal to another circuit breaker in the DC di...
- c) a third cable from the first circuit breaker in the DC disconnect to the L2inverter POSITIVE...
- d) a fourth cable from the second DC disconnect to the L1 inverter POSITIVE(+) terminal.
- 2. Connect NEGATIVE cables:
- 3. Ensure the correct polarity of the cables with a DC voltmeter (DVM).
- 4. Use an insulated 1/2 inch wrench or socket to tighten the 5/16 SAE nuts to 10-15 foot/lb for e...
- 5. After tightening the connections on the batteries, apply antioxidant paste to the battery term...
- 6. Install the battery terminal covers (if used)—red for positive, black for negative—over the in...
- 1. Connect POSITIVE cables:
- Figure 2-3 DC Connections for Dual Inverters, Series-stacked
- To connect the battery (or battery bank) to the inverters:
- AC Wiring - General
- WARNING
- Inverter AC Distribution Panel (Sub-Panel) Wiring (if used)
- Install the Inverter AC Distribution Panel and conduit as follows:
- 1. Determine the location for the Inverter AC Distribution Panel (i.e., the sub-panel) and instal...
- 2. Install an AC conduit to the inverter panel and the inverter.
- 3. Determine which circuits the inverter will power and install the appropriate circuit breakers ...
- 4. For On-Grid systems, remove wires for circuits to be backed up from the main utility panel and...
- 5. Install a double pole 60-amp maximum (disconnect) main circuit breaker in the inverter panel: ...
- 6. Verify that under no circumstances can utility power or generator power energize the inverter ...
- WARNING : Shock Hazard
- Install the Inverter AC Distribution Panel and conduit as follows:
- Neutral Bonding
- Grounding
- AC Wiring - Specific
- Off-Grid AC Wiring for Sine Wave Plus Inverters
- To connect the AC wiring for an off-grid application using Sine Wave Plus Inverters:
- Grounding
- Neutral Bonds
- 2. Connect Neutral (white) wires:
- a) from the Neutral bus in the inverter panel, to the ground bar in the inverter panel, (Neutral-...
- b) from the L1 inverter Neutral Out terminal, to the L2 inverter Neutral 2 terminal. (Inverter-to...
- c) from the L2 inverter Neutral Out terminal to the inverter panel Neutral bus. (Common neutral b...
- 2. Connect Neutral (white) wires:
- Inverter to AC Distribution Panel
- Figure 2-4 AC Wiring for Series-stacked SW Plus Inverters Off Grid
- On-Grid AC Wiring for Sine Wave Plus Inverters
- Grounding
- Neutral Bonds
- 2. Connect Neutral (white) wires:
- a) from the Neutral bus in the utility panel to the ground bar in the utility panel. (Neutral-to-...
- b) from the L1 inverter Neutral Out terminal to the L2 inverter NEUTRAL 2 terminal (Interter-to-i...
- c) from the L1 inverter Neutral Out terminal to the utility or utility panel neutral bus (Common ...
- d) from the L2 inverter Neutral Out terminal to the AC distribution panel neutral bus (Common neu...
- 2. Connect Neutral (white) wires:
- Inverter to AC Distribution Panel
- Inverter to Utility Panel
- Figure 2-5 AC Wiring for Series-stacked SW Plus Inverters OnGrid
- Generator AC Wiring to Series-stacked Inverters
- With a generator disconnect switch
- Figure 2-6 Generator Wiring to Series-stacked SW Plus Inverters
- Wiring for a 240 Vac-Only Input Source
- To wire the inverters for a 240-Vac only input source:
- 1. Run Ground wires (green):
- a) from the AC Distribution Panel to the primary earth/ground connection.
- b) from the generator ground to the AC Distribution Panel ground.
- c) from the ground terminal in the Autotransformer to the AC Distribution Panel.
- d) from the AC Distribution Panel to the Ground bar in the L1 inverter.
- e) from the AC Distribution Panel to the Ground bar in the L2 inverter.
- 2. Run NEUTRAL wires (white):
- a) from the center-tapped neutral connection in the autotransformer to the NEUTRAL 1 terminal in ...
- b) from the center-tapped neutral connection in the autotransformer to the NEUTRAL 1 terminal in ...
- c) from the NEUTRAL OUT on the L1 inverter to the NEUTRAL 2 terminal on the L2 inverter.
- d) from the Neutral OUT on the L2 inverter to the Neutral terminal in the AC Distribution Panel.
- 3. Run HOT wires:
- a) (black) from the L1 Output in the generator to the L1 terminal in the Autotransformer.
- b) (black) from the L1 output terminal in the Autotransformer to the AC2GEN terminal in the L1 i...
- c) (black) from the INV OUT terminal in the L1 inverter to the L1 input terminal in the AC Distri...
- d) (red) from the L2 Output in the generator to the L2 terminal in the Autotransformer.
- e) (red) from the L2 output terminal in the Autotransformer to the AC2GEN terminal in the L2 inv...
- f) (red) from the INV OUT terminal in the L2 inverter to the L2 input terminal in the AC Distribu...
- 4. Torque all inverter terminal block connections to 25 inch-pounds.
- 1. Run Ground wires (green):
- Figure 2-7 AC Wiring for a 240 Vac-Only Input Source
- To wire the inverters for a 240-Vac only input source:
- Off-Grid AC Wiring for Sine Wave Plus Inverters
- Connecting the ISC-S Cable
- CAUTION ; Damage to Loads
- 3
- Operation
- Start-up and Testing
- To start up and test the inverters:
- 1. Ensure the circuit breakers on all AC sources (utility or generator, if any) feeding the inver...
- 2. Ensure the circuit breakers in the AC distribution panel (sub-panel) are OFF.
- 3. Switch ON both inverters. The inverters should be providing 120/240 Vac to the AC distribution...
- 4. In the AC distribution panel, use an AC voltmeter and measure the voltage between the L1 (Hot)...
- 5. In the AC distribution panel, use an AC voltmeter and measure the voltage between the L2 (Hot)...
- 6. In the AC distribution panel, measure the voltage between the L1 (Hot) and L2 (Hot) terminals....
- 7. If all voltages/tests are correct,
- 8. Verify the inverters are charging the batteries and powering the AC distribution panel.
- 9. Switch both inverters OFF and open the circuit breakers to ensure all AC and DC power is turne...
- 10. Replace all covers and panels on the inverters and sub-panel.
- 11. The series-stacked inverter system is now tested and ready for use.
- Figure 3-1 Testpoints for Confirming Voltages
- To start up and test the inverters:
- Setting Changes
- Warranty and Return Information
- Warranty
- What does this warranty cover?
- How do you get service?
- What proof of purchase is required?
- What does this warranty not cover?
- a) the product if it has been misused, neglected, improperly installed, physically damaged or alt...
- b) the product if it has been subjected to fire, water, generalized corrosion, biological infest...
- c) the product if repairs have been done to it other than by Xantrex or its authorized service ce...
- d) the product if it is used as a component part of a product expressly warranted by another manu...
- e) the product if its original identification (trade-mark, serial number) markings have been defa...
- Disclaimer
- Return Material Authorization Policy
- Return Procedure
- Out of Warranty Service
- Information About Your System
- Warranty
- Index