Lennox SunSource M215 Application Manuallines Download Page 20 | Manualshive

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Page 20

SYSTEM ELECTRICAL LAYOUT

Multiple inverter / module pairs, up

to 16 (0.9 amp each, 15.3 amps max),

can be used in one string. Modules are

bonded, for grounding purposes, by

inter-module mechanical connections.

For M250 applications, 16 inverter / module

pairs can be used in one string.

*

*

Figure 18. SunSource

®

Home Energy System Electrical Layout

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Summary of Contents for SunSource M215

Page 1: ...nd SolarWorld Pre engineered Kits for ordering Wiring runs from the roof mounted solar modules to the outdoor unit From there power travels to the home electrical service panel using the existing outdoor unit power wiring TABLE OF CONTENTS Introduction 2 How SunSource Home Energy System Works 2 Utility Interactive Microinverters 3 Electric Utilities and Solar PV Utility Interactive Systems SunSour...

Page 2: ...y and sets throughout the day the output of the modules will increase from about zero at dawn to a peak of about 195 235 watts depending on season sun angle mounting angle and roof orientation and then decline again to zero How the SunSource Home Energy System Works 1 Photovoltaic modules are installed in an area that has good solar exposure throughout the year generally a south facing roof 2 When...

Page 3: ...Usually there will be an interconnection application that needs to be submitted to the local utility Some utilities will have a particular type of electrical disconnect indicating lockable disconnect switch which they want to be used in an interactive system Is there an incentive program If there is a rebate involved the utility may require that a separate meter which is usually referred to as a R...

Page 4: ...cal Code CE Code Article 690 of the NEC covers requirements for solar photovoltaic systems There are a number of important requirements regarding solar PV systems A licensed electrician who is knowledgeable about NEC Article 690 should supervise the electrical installation Because the system does not involve high voltage DC wiring most of the wiring details will be familiar wire sizing working spa...

Page 5: ... identify any unique wind and snow load requirements that pertain to your jurisdiction A combination of shortening the maximum span between roof attachments and increasing the length of your lag bolts will enhance the wind load rating WARNING The AC Solar Module System must be installed on a fire resistant roof covering rated for the application The minimum mechanical means attachment points are o...

Page 6: ... labor and components needed to install the solar portion The credit is in effect through 2016 and allows for a credit of 30 of the installed cost of the solar system The credit is uncapped For more information go to the Department of Energy tax credit website at http www energy gov taxbreaks htm or the Energy Star website at www energystar gov index cfm c tax_credits tx_index 4 Some states and lo...

Page 7: ...Page 7 Figure 7 U S and Canada Longitudes Figure 8 Annual Direct Normal Solar Radiation U S ...

Page 8: ...d to plot sun path charts for any given location This is useful if there is a question about shading Example For instance a neighbor s roof might cast a shadow during the middle of the day if the sun is below 30 elevation You can plot a sun path chart and get an idea how many months of the year the sun is below this elevation during the middle of the day In Portland Oregon this would occur in Dece...

Page 9: ...The program can be used to judge the impact of the variations from optimal roof orientation and pitch by first running the case for south and tilt angle equal to latitude Note the annual output Next rerun for the actual orientation and roof pitch to see how the output changes Table 1 PV Array Tilt Angle by Roof Pitch Roof Pitch Tilt Angle º 4 IN 12 18 4 5 IN 12 22 6 6 IN 12 26 6 7 IN 12 30 3 8 IN ...

Page 10: ... voltage measures between 106 and 132 volts D Frequency measures between 59 3 Hz and 60 5 Hz Roof Site Survey Module Mounting Penetration and Fire Safety The roof itself should be evaluated D Fall protection for workers is addressed in OSHA Directive STD 03 00 0 0 D All necessary re roofing should be performed before installing solar modules D There must be enough area for the solar modules one mo...

Page 11: ...on D Homeowner association approval where applicable D 240 VAC single phase electrical service D Grid interconnection agreement LENNOX SOLAR SUB PANEL The Lennox Solar Sub Panel replaces the factory piping panel on the outdoor unit and provides circuit breaker protection and power entry for both HVAC line and solar power wiring D Sub Panel is equipped with separate circuit breakers for both HVAC l...

Page 12: ...Booster 1 6 ft power cord 1 10 ft Ethernet cable communications booster CSA US C listed The Envoy Communications Gateway includes a Communications Booster which may or may not be needed depending upon how far the Envoy is away from the solar modules Communications Booster Ethernet bridge signal booster for the Envoy Communications Gateway Booster is only needed if the communications gateway is ins...

Page 13: ...mber of Modules 4 6 8 12 16 Solar Modules Enphase Microinverter and Monitoring Components Solar Module 270W Silver or 265W Black Mono 4 6 8 12 16 Enphase Microinverter M215 4 6 8 12 16 Enphase Envoy Communications Gateway Communica tions Booster Furnished 1 1 1 1 1 Enphase Engage Cable Enphase Engage Cable 240V Trunk Cable Port portrait aligned no of connectors 4 7 9 14 18 Enphase Engage Cable Ter...

Page 14: ...05 mm Black or Silver 8 12 16 24 32 Standing Seam Roof Mount S 5 S 5 U M8 8 12 16 24 32 Trapezoid Metal Roof Mount S 5 VersaBracket 8 12 16 24 32 Flat Tile Roof Mount 18 x 18 Quick Mount PV QBase Universal Tile Black or Silver 8 12 16 24 32 S Tile Roof Mount 18 x 18 Quick Mount PV QBase Black or Silver 8 12 16 24 32 Rail two modules 122 in 3099 mm length 4 Rail three modules 162 in 4115 mm length ...

Page 15: ...rrated edge stainless steel 16 22 28 40 56 T Bolt M8 x 20 stainless steel 13 19 25 37 50 L Bracket clear anodized aluminum 8 12 16 24 32 Wire Clip 10AWG 50 pack 1 1 1 1 1 Cable Ties 13 UV resistant black 50 pack 1 1 1 1 1 Ground Lug WEEB 8 0 tin plated lay in 5 7 9 13 18 Ground Screw 10 pack 1 1 1 2 2 Rail equipment Ground WEEB lug 8 0 with T bolt as sembly 3 5 5 7 10 WEEB DPF Module Grounding Cli...

Page 16: ...shank 1 1 1 1 1 Rooftop Junction Box Sola deck JBOX Composition with flashing or Flat Tile S Tile 1 1 1 1 1 Soladeck 1 Branch AC Pass thru Kit used with Rooftop Junction Box 1 1 1 1 1 NOTE Additional items not included that may be required for installation Lightning arrestors array marking or site specific system detail plaques conduit conduit fittings ground bonding conductor AC disconnect switch...

Page 17: ...y System system Microinverter Status LED Indications and Error Reporting Startup LED Operation Six short green blinks when DC power is first applied to the microinverter indicates a successful microinverter startup sequence Six short red blinks when DC power is first applied to the microinverter indicates a failure during microinverter startup Post Startup LED Operations D Flashing Green Producing...

Page 18: ... Hz 60 0 59 2 60 6 Hz 57 62 5 Hz 57 62 5 Hz Power Factor 0 95 0 95 0 95 0 95 Maximum Units Per 20A Branch Circuit 25 three phase 17 single phase 24 three phase 16 three phase Maximum Output Fault Current 1 05 ARMS over 3 cycles 25 2 APEAK1 74ms duration 850 mARMS for 6 cycles EFFICIENCY CEC Weighted Efficiency 96 96 5 Peak Inverter Efficiency 96 3 96 0 Static MPPT Efficiency weighted reference EN5...

Page 19: ...en the individual microinverters NOTE For more detailed information refer to Enphase Microinverter System Installation and Operation Manual Table 2 Maximum Wire Length Feet Meters Wire Size AWG Number of Solar Modules per Branch Wire length maximum distance from solar modules to HVAC unit 7 8 9 10 11 12 13 14 15 16 10 148 45 130 40 115 35 104 32 94 29 87 27 80 24 74 23 69 21 65 20 8 237 72 207 63 ...

Page 20: ...to 16 0 9 amp each 15 3 amps max can be used in one string Modules are bonded for grounding purposes by inter module mechanical connections For M250 applications 16 inverter module pairs can be used in one string Figure 18 SunSource Home Energy System Electrical Layout ...

Page 21: ... safety procedures 6 Do not attempt to repair the AC module It contains no user serviceable parts If it fails please contact Andalay customer service to obtain an RMA number and start the replacement process Tampering with or opening the Andalay AC module or Enphase Microinverter will void the warranty 7 Connect the AC module to the electrical utility grid only after receiving prior approval from ...

Page 22: ...s with one 4 pin receptacle and one 70 inch AC wire harness with multi pin connectors The AC connectors are oppositely sexed so that multiple microinverters can be connected to form one continuous AC branch circuit S Install a protective end cap on the open AC connector of the last microinverter in the AC branch circuit S Wait to connect the first microinventer to the AC interconnection cable unti...

Page 23: ...nit must be grounded in accordance with national and local codes Line voltage is present at all components when unit is not in operation on units with single pole contactors Disconnect all remote electric power supplies before opening access panel Unit may have multiple power supplies OUTDOOR UNIT Refer to the maintenance section in the installation instructions provided with the outdoor unit SOLA...

Page 24: ...Technical Data page of this document E Check the DC connections between the microinverter and the solar panel F If the problem persists please call customer support at Andalay Solar 3 Disconnecting the microinverter from the solar panel To ensure the microinverter is not disconnected from the PV panels under load adhere to the following disconnection steps in the order shown A Disconnect the AC by...

Page 25: ...he Envoy is plugged directly into the wall and not into a power strip or surge protector ENVOY LOCAL INTERFACE Connection to the Enphase Enlighten web based monitoring and analysis website requires an Internet connection However if there is no Internet access at the installation site it is still possible to communicate directly with the Envoy using the ethernet port and a personal computer with a ...

Page 26: ...uction statistics for your system click Production from the Envoy home screen to navigate to the production screen Inventory Screen To view a listing of the microinverters in your system click Inventory from any screen to navigate to the inventory screen ...

Page 27: ... Envoy can produce to indicate certain conditions These messages appear on the screen when your computer is connected to the Envoy local interface These messages can provide Enphase customer support with valuable information should you need to call for assistance ...

Page 28: ...Page 28 ...

Page 29: ...ring Allows the exchange of any surplus energy produced by the PV system This means that the electric meter spins backward when power is flowing from the home to the utility and spins forward when power is flowing from the utility to the home At the end of the month only the net consumption is billed to the homeowner Nominal Operating Cell Temperature NOCT The reference module operating temperatur...

Page 30: ...ers manufacturers installers and consumers resulting in coordinated recommendations to codes and standards making bodies for existing and new solar technologies The U S Department of Energy funds Solar ABCs as part of its commitment to facilitate wide spread adoption of safe reliable and cost effective solar technologies www solarabcs org SOLARPRO SolarPro is a high quality technical publication a...

Page 31: ...deg 4 12 18 43 deg 5 12 22 62 deg 6 12 26 57 deg 7 12 30 26 deg 8 12 33 69 deg 9 12 36 87 deg 10 12 39 81 deg 11 12 42 51 deg 12 12 45 deg 13 12 47 29 deg 14 12 49 40 deg 15 12 51 34 deg 16 12 53 13 deg 17 12 54 78 deg 18 12 56 31 deg 19 12 57 72 deg 20 12 59 04 deg 21 12 60 26 deg ...

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