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Technical specifications and features of products and services
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Product documentation on compliance with standards and criteria
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Frequently asked questions
How can installers tell if the firmware has been updated?

In the Enphase Installer Portal, formerly known as Enlighten Manager:

1. Click Systems tab

2. Select a system from the list

3. Click the Devices tab

4. The Processor Load column shows the existing firmware version

How much energy should my array produce?

Many factors determine a system’s energy production on a rooftop, compared to its energy production in standard testing conditions. Your solar professional may have provided a production estimate using estimation tools like PVWatts. Estimation tools consider many factors such as location, seasonal variation, roof pitch, wiring, and electrical losses to calculate production estimates.

You can use the following formula for a simple estimate:
DC system size (kW) × hours of sun/day × system efficiency = estimated AC daily energy production

Example:
5 kW × 5 hr/day × 0.77 = 19.25 kWh/day

Can I pair IQ8 Series Microinverters with bifacial solar modules?

You can pair Enphase IQ8 Series Microinverters with bifacial solar modules if they are electrically compatible and installed according to the Quick Installation Guide supplied with the microinverters.

In case there is no mandatory regulation for inverter sizing by the local utilities, use the microinverter sizing methodology of a conventional monofacial module; however, you can use the real power, or the gained power, rather than the nominal power of the bifacial solar module. For example, if a 20% gain is expected, then refer to the module output parameters associated with the 20% gain instead of the nameplate rating of the module. 

You can always use the Enphase Module Compatibility calculator to feed-in the module output parameters and check the compatibility.

While ordering microinverters with integrated MC4 connectors, do I get the Q-DCC-2 adapter cable, too?

Microinverters with integrated MC4 connectors will not be shipped with a Q-DCC-2 adapter cable, as they are no longer necessary.

Where can I get data sheets for microinverters with integrated MC4 connectors?

Download the data sheets or browse all our technical publications in the Documentation Centre.

Is there a new cabling system designed for IQ8 Series Microinverters?

Enphase IQ8 Series Microinverters are compatible with the existing IQ cabling system, which is currently being used with existing IQ6 and IQ7 Series Microinverters and provides a similar installer experience.

Will system owners use the same Enphase App to monitor their commercial Enphase Energy System and their home energy system?

Yes, all system owners will utilize the same app, irrespective of system type. Owners with multiple systems can access all their Enphase systems from a single login to the Enphase App.

Will microinverters requiring MC4 adapter cables be phased out completely?

Yes, all microinverters will eventually have integrated MC4 connectors. Enphase is gradually transitioning each inverter in a phased manner.

Will installers use the same commissioning and monitoring software for Enphase Commercial Energy Systems as I do for other Enphase installations?

Yes, you will use the same commissioning and monitoring application for commercial systems, and you will be able to monitor your entire fleet of installed systems—irrespective of individual site type or microinverter.

Can the installer reduce the cable slack to connect to the solar panel lead cable?

It doesn't use an external bulkhead adapter, so the overall cable is a bit less. However, module leads are typically 4 to 6 feet long, or 1.2 to 1.6 meter long, so the impact is minimal.

What are the grid interconnection voltages supported by IQ8 Series Microinverters?

All IQ8 Series Microinverters have an operating range of 184 V to 276 V L-N AC voltage.

Are there any special installation instructions for microinverters with integrated MC4 connectors?

There are no special instructions for microinverters with integrated MC4 connectors. Follow the same installation practices as outlined in the Enphase installation manual.

Can my system produce power on a cloudy day?

On cloudy or rainy days, your system produces less energy compared to days with a clear sky. The impact of clouds on your system’s energy production varies depending on the cloud cover and the duration it obscures sunlight over your panels during the day.

Maximum energy is produced when the sky is bright and clear—especially if the angle of the panels towards the sun is optimal and the temperature is cool, since solar panels work more efficiently in lower temperatures. If the weather is clear but production is still low, check for dirt, snow, shade, or debris on the surface of the solar panels.

How do I learn more about the Enphase microinverter families?

Refer to https://enphase.com/en-in/installers/microinverters and learn more about Enphase microinverters.

Why is my solar panel rating higher than my microinverter rating?

PV modules seldom produce power at their test condition power rating. This leads installers to pair PV modules with power ratings higher than the inverter power rating. In many locations, high DC:AC ratios may not result in significant clipping losses. To learn more, refer to the technical brief, which can be accessed at https://enphase.com/en-in/download/iq7a-why-my-pv-module-rating-larger-my-inverter-rating

Is there a webinar where homeowners can learn more about Enphase Energy System?
How does the Enphase Energy System work?

The Enphase Energy System brings solar, microinverter, and software together in one complete package so that you can make, use, save, and sell your own power. To learn more, see the video https://www.youtube.com/watch?v=kAH9odfOCHs.

Where can I buy IQ8 Series microinverters? 

You can buy IQ8 Series microinverters through our distributors. Enphase.com->Installers->resources->buy  

Who should I contact for questions that are not listed here?

Please get in touch with our Customer Support by calling 1-800-309-3765.

What is the RMA (Return Merchandise Authorization) process for IQ8 Series microinverters?

The RMA process for IQ8 Series microinverters remains the same. (1) Call Enphase-India Customer Support, or (2) Trigger the RMA process through the Enphase App, Installer App, or Enphase Installer Platform.

Do IQ8 Series microinverters work with the existing IQ Gateway, IQ Relay, and IQ-cable?

Yes. Existing IQ Gateway, IQ Relay, and all existing IQ-cables will work with IQ8 Series microinverters. 

What certifications are available for IQ8?

The IQ8 Series Microinverters are certified with BIS (Bureau of Indian Standards).

Are there training courses available to learn more about IQ8 microinverters?

Yes. The training courses can be found here.

Is there any change in the installation and commissioning of the IQ8 Series microinverters compared to the IQ7A?

The installation process and commissioning process remain the same. IQ8 Series microinverters must be commissioned using Installer App version 3.31 or above. Please refer to the video to understand the commissioning steps. 

Can M-Series microinverters (M250) be combined with IQ8 Series microinverters in the same system?

IQ Gateway does not support combining IQ8 Series microinverters with Enphase previous-generation microinverters.  

What if I already have an installation using IQ7 Series microinverters, and I want to scale up? Can you combine IQ7 and IQ8 Series microinverters?

IQ Gateway does not support combining IQ8 Series microinverters with Enphase previous generation microinverters. However, you can install IQ8 Series microinverters on a separate gateway unless your system requires a power export limit. Please ensure that you review your system design with our Enphase Sales/FAEs/customer support. 

Do IQ8 Series microinverters work with third-party battery solutions?

Yes. Please ensure that you review your system design with our Enphase Sales/FAE team before installing/commissioning the system. 

How long is the IQ8 Series microinverter warranty?

These microinverters have a 15- years of limited warranty. This can be extended to 20 or 25 years. You can find the warranty document here

Do IQ8 Series microinverters support real-time monitoring on the Enphase App?

Yes 

Where can I find the datasheets for these products?

The datasheets can be found here. 

What models are available for the IQ8 Series microinverters, and what are their specifications?

IQ8HC and IQ8P are the two microinverters models available under the IQ8 series. Please refer to the technical specifications .

What is the largest number of IQ8 Series Microinverters that can be added with one Envoy for commercial systems?

Approximately 300 microinverters. Please get in touch with the Enphase sales/technical team for commercial system design.  

How many IQ8 Series microinverters can be connected in one phase?

IQ8HC: 9; IQ8P: 7 microinverters per branch.  

What is the maximum panel size I can pair IQ8 Series microinverters with?

IQ8HC is a 384 VA microinverter compatible with panels having a capacity of 560Wp. 

IQ8P is a 480 VA microinverter compatible with panels with a capacity of up to 670Wp. 

There is no enforced DC/AC ratio or maximum input power. Modules can be paired as long as the maximum input voltage is not exceeded and the maximum input current of the inverter at the lowest and highest temperatures is respected. See the compatibility calculator at https://enphase.com/en-in/installers/microinverters/calculator 

What is the main difference between the IQ7A and IQ8 Series (IQ8HC and IQ8P) microinverters?

The main difference is the output power. IQ7A is a 366VA Microinverter, and IQ8HC and IQ8P are 384VA and 480VA microinverters, respectively. Also, IQ8 Series microinverters offer a higher DC current capability of 14A, making them compatible with the new generation of high-powered PV modules. 

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