Panasonic vbhn330sa17e installation

CONTENTS

SAFETY PRECAUTIONS

WARNING

CAUTIONS

MODULE SPECIFICATIONS

MECHANICAL LOADING

STANDARDS

FIRE CLASS OF PRODUCT

JUNCTION BOX, MICROINVERTER

AND TERMINALS

BYPASS DIODE

INSTALLATION GENERAL

OPERATING CONDITIONS

UNPACKING AND HANDLING

PREPARE THE MICROINVERTER

POSITION THE ENPHASE Q CABLE

CONNECT THE MICROINVERTER

CREATE AN INSTALLATION MAP

MODULE INSTALLATION 12

MANAGE THE CABLING

TERMINATE THE UNUSED END OF

THE CABLE

CONNECT TO A JUNCTION BOX

OR AN ENPHASE Q AGGREGATOR

ENERGIZE THE SYSTEM

WIRING GENERAL

MODULE WIRING

ARRAY WIRING

EARTH GROUND WIRING

GROUNDING METHODS

MAINTENANCE

ANTI-REFLECTION GLASS SURFACE CLEANING

DISCLAIMER OF LIABILITY

CONTACT INFORMATION

“HIT” is a registered trademark of the Panasonic Group.

Enphase® is a registered trademark of Enphase Energy, Inc.

Other product and service names listed in this manual are trademarks or registered trademarks of respective companies.

Specifications and information in this Installation Manual may change without notice.

Check the latest version from the following website.

https://na.panasonic.com/us/energy-solutions/solar/ac-series-ac-module

General Installation Manual

AC MODULE

Model No. VBHN330SA17E

Photovoltaic Module HIT®

Thank you for choosing Panasonic photovoltaic module HIT®.

Please read this manual completely before you install or use

HIT®. With proper operation and maintenance, HIT® will pro-

vide you with clean, renewable solar electricity for many years.

This manual contains important installation, maintenance and

safety information. The word “module” as used in this manual

refers to one or more PV modules. Retain this manual for

future reference.

Microinverter IQ7X-96-ACM-US (Enphase Energy, Inc.)

VBHN330SA17E

Mounting on back of PV module

SAFETY PRECAUTIONS

 This document is an installation

manual for a PV module with an

Enphase IQ7X-96-ACM-US Microin-

verter. For detailed information

about configuring and operating

the microinverter, please read

"ENPHASE Microinverters Installa-

tion Guide" .

https://enphase.com/sites/default/files/

downloads/support/IQ7-7plus-7X-Micro-

Manual-EN-US.pdf

 All instructions should be read and

understood before attempting to

install, wire, operate, and maintain

the module.

 The installation of modules requires

a great degree of skill and should

only be performed by qualified li-

censed professionals, including li-

censed contractors and licensed

electricians.

 The installer assumes the risk of all

injury that might occur during instal-

lation, including the risk of electric

shock.

 AC disconnects or breaker shall be

provided in the installation.

 Before installing modules, contact

the appropriate authorities to deter-

mine permissions, installation and

inspection requirements should be

followed.

 Confirm that the construction or

structure (roof, etc.) where the

modules are being installed has

enough strength.

 Both roof construction and module

installation design have an effect on

the fire resistance of a building.

Improper installation may contrib-

ute to fire hazards. Additional de-

vices such as ground fault, fuses,

and disconnects may be required.

 For a non-integral module or panel,

the assembly is to be mounted over

a fire resistant roof covering rated

for the application.

 For modules mounted on roofs,

special construction or structures

may be required to help provide

proper installation support.

 Do not install the module where

flammable gases or vapors are pre-

sent.

 Do not use modules of different

specifications in the same system.

 Follow all safety precautions of

other system components used.

 In some areas, local electrical codes

may govern the installation and use

of modules.

WARNING

To avoid the danger of electric shock,

sparks, fire and injury

 The modules generate electrical

energy when exposed to sunlight or

other light sources, so cover the

entire front surface of the modules

with a dense, opaque material such

as a cardboard box, during installa-

tion and handling of the modules.

 The shock hazard increases as mod-

ules with nominal open-circuit volt-

age (Voc) in excess of 50 V, and/or

modules rated for maximum system

voltage in excess of 50 V.

 Wear suitable clothing, gloves and

guards to prevent direct contact

with 30 VDC or greater.

 Work only in dry conditions, with

dry modules and dry tools.

 Children and unauthorized persons

should not be allowed near the

installation of modules.

 Do not damage the back sheet, ca-

ble and connector of a module. Do

not use the PV module if conductive

part is found on the back sheet,

cable and connector. In such cases,

exchange to new PV module.

 Do not disassemble the module, or

remove any parts installed by the

manufacturer.

 Do not open a junction box's lid and

microinverter.

 Do not touch the junction box and

microinverter terminals.

 Do not change the wiring of bypass

diodes.

 Do not connect or disconnect termi-

nals while modules generate elec-

tricity and connect electrical load.

 Never leave a module unsupported

or unsecured.

CAUTIONS

To avoid the danger of injury, burn and

damage to the module

 Use a module for its intended pur-

pose only.

 Confirm that all other system com-

ponents are compatible, and they

do not subject the module to me-

chanical or electrical hazards.

 Do not artificially concentrate sun-

light on a module.

 Do not stand or step on a module.

 When carrying a module, two or

more people should carry it by its

frame and wear non-slip gloves.

 Do not carry a module by its wires or

junction box.

 Do not drop a module.

 Do not drop anything on the surface

of a module.

 Do not hit the back sheet of a mod-

ule with the connector or other

things.

 Do not disassemble a module, at-

tempt any repair, open the junction

box cover, nor remove any parts

installed by Panasonic. There are no

user serviceable parts within the

module or junction box.

 Do not treat the back sheet or front

surface with paint or adhesives.

 Do not use or install broken mod-

ules. If you find a breakdown such

as glass breakage, contact the pro-

fessional installer to replace it

promptly.

 Do not touch a module unnecessari-

ly to avoid the risk of getting

burned. There is a possibility that

glass surface and frame are high

temperature.

MODULE SPECIFICATIONS

 Module specifications are shown in

Table 1-1 and Figure 1. (Electrical

specifications, mechanical specifica-

tions, module dimensions)

1) Rated electrical characteristics are

within the range of –5% to +10% of

the values measured at Standard

Test Conditions (STC). STC condi-

tions are; Irradiance of 1000W/m2,

25°C cell temperature, AM1.5 and

solar spectral irradiance per IEC

60904-3. Note: At the time of ship-

ment, Panasonic guarantees the

output level of its modules to be -0/

+10% against Rated Power in SPECI-

FICATIONS based on factory inspec-

tion at STC conditions.

2) Under real conditions, a photovolta-

ic module may experience condi-

tions that produce more current

and/or voltage than reported at

Standard Test Conditions. There-

fore, the Isc value of modules

should be multiplied by a factor of

1.25 to determine ampacity. An

additional factor of 1.25 may be

required for sizing conductors, fus-

es, disconnects, etc. Please refer to

section 690.8 of the National Electric

Code (NEC) for guidelines. The Voc

must be factored according to the

lowest recorded ambient tempera-

ture recorded for the location

where the modules will be installed.

Please refer to section 690.7 of the

NEC for more information regarding

voltage temperature factors.

 VBHN330SA17E is equipped with a

Microinverter.

 Microinverters are DC-AC inverters

connected to PV modules in order

to maximize power harvesting by

performing Maximum Power Point

Tracking (MPPT) at the module level.

MECHANICAL LOADING

 The modules should be mounted at

the four (4) quarter points by the

means shown in Figure 1.

 This method offers a maximum load

shown as “Mount Location and

Load Resistance” in Table 1-2 in a

static state on the module surface.

 Note: This mechanical loading value

was tested using the mounting de-

vice specified in section “MODULE

INSTALLATION”

 As UL Certified Load Ratings, this

module meets design loads as be-

low.

1) Positive load with Long frame

mounting

・ 33 psf (0-450mm range from edge)

･ 75 psf (230-380mm range from edge)

2) Negative load with Long frame

mounting

･ 33 psf (0-450mm range from edge)

･ 61 psf(230-380mm range from edge)

･ 75 psf (230-345mm range from edge)

3) Positive load with Short frame

mounting

･ 33 psf (0-250mm range from edge)

4) Negative load with Short frame

mounting

･ 33 psf (0-250mm range from edge)

STANDARDS

VBHN330SA17E comply with the require-

ments of UL1703 (PV module) and UL

1741 (Microinverter, ENPHASE ENERGY, Inc., Type IQ7X-96-ACM-US

FIRE CLASS OF PRODUCT

 The fire rating of this module is valid

only when mounted in the manner

specified in the mechanical mounting instructions.

 The models in this instructions are

suitable to maintain the System Fire

Class Rating A when used with a

Listed mounting system and a roof

covering that have been rated as a

Class A System when installed on a

steep slope roof and/or a low slope roof with "Type 2" modules.

DC Electrical Specifications*

Model VBHN330SA17E

Cell Number in Series 96

Rated Power, Watts (Pmax) 330

Maximum Power Voltage (Vpm)

58.0

Maximum Power Current (Ipm)

5.70

Open Circuit Voltage (Voc) 69.7

Short Circuit Current (Isc) 6.07

Cell Type

Silicon hetero-

junction**

Factory Installed Bypass Diodes

Mechanical Specifications

Model VBHN330SA17E

Length, mm (inches)

1590 (62.60)

Width, mm (inches) 1053 (41.46)

Frame Depth, mm (inches)

40 (1.57)

Weight, kg (pounds)

19.5 (42.99)

Table 1-1. Module Specification

Silicon hetero-junction**: Mono crystalline silicon/amorphous silicon hetero-junction

AC Electrical Specifications

Model VBHN330SA17E

Peak Power Output 320VA

Maximum Continuous Output Power 315VA

Nominal (L-L) voltage 240Vac 208Vac

Nominal (L-L) voltage range 211 – 264V 183 – 229V

Nominal Output Current 1.31A 1.51A

Number of Maximum AC module 12 units 10 units

CEC Weighted Efficiency 97.5% 96.5%

Nominal Frequency 60Hz

Extended Frequency Range 47 – 68Hz

Power Factor Setting 1.0

Power Factor (adjustable) 0.7 leading / 0.7 lagging

*This specification shows the characteristics of the PV module not via the microinverter.

UTILITY INTERCONNECTION VOLTAGE TRIP LIMITS AND TRIP TIMES

Overvoltage, Fast 288V / 0.16Sec 249.6V / 0.16Sec

Overvoltage, Slow 264V / 1.0Sec 228.8V / 1.0Sec

Undervoltage, Slow 211.2V / 2.0Sec 183.0V / 2.0Sec

Undervoltage, Fast 120V / 0.16Sec 104V / 0.16Sec

FREQUENCY TRIP LIMITS AND TRIP TIMES

OverFrequency 60.5Hz / 0.16Sec

UnderFrequency 59.3Hz / 0.16Sec

Figure 1. Module Dimension

(VBHN330SA17E)

Dimension in mm

Note) A module is installed using 4 points, symmetrical mounting within setting range (Black arrows).

Note) Load Resistance shown above is UL Test-Load. Design load is a value obtained by multiplying the above value by two thirds.

Table 1-2. Mount location and Load Resistance

Mounting location range

(mm)

L1 0 230 230 -

L2 450 380 345 -

S1 - - - 0

S2 - - - 250

Load Resistance (Positive Load)

50 psf 112 psf 112 psf 50 psf

(2400 Pa) (5400 Pa) (5400 Pa) (2400 Pa)

Load Resistance (Negative Load)

50 psf 91 psf 112 psf 50 psf

(2400 Pa) (4400 Pa) (5400 Pa) (2400 Pa)

Side

Front

Backside

Section B-B

Section A-A

Max 270mm

Figure 2-1. Junction Box

Positive ( + ) Negative ( - )

JUNCTION BOX, MICROINVERTER

AND TERMINALS

 Modules equipped with one junc-

tion box contain terminals for both

positive and negative polarity, and

bypass diodes.

 Each terminal is dedicated to one

polarity (with the polarity symbols

engraved onto the body of the junc-

tion box) . See Figure 2-1.

 A microinverter has an input / out-

put terminal. See Figure 2-2.

 Each terminal is provided with facto-

ry installed lead cables and a latch-

ing connector. Always use these

connectors and do not detach them

from cables.

 The PV module and a microinverter

come pre-wired. Each module has

two #12 AWG type PV-wire stranded

sunlight resistant output cables each

terminated with connectors. The

positive (+) terminal has a male

connector while the negative (-)

terminal has a female connector.

 Latching connectors are type IV and

supplied by STAUBLI ELECTRICAL

CONNECTORS AG, which are listed

by UL.

Figure 2-2. Output / input terminal of a Microinverter

Side view

Top view

Input terminal

Output terminal

Enlarged view of output terminals

Enlarged view of

input terminals

BYPASS DIODE

 When the module is shaded partial-

ly, it may cause reverse voltage

across cells, because the current

from other cells in the same series is

forced to flow through the shaded

area. This may cause undesirable

heating.

 The use of a diode to bypass the

shaded area can minimize both

heating and module current reduc-

tion.

 All modules are equipped with fac-

tory installed bypass diodes. The

factory installed diodes provide

proper circuit protection for the

systems within the specified system

voltage, so that you do not need

any other additional bypass diodes.

 Specification of bypass diode is as

follows; Type: Number of bypass

diode: 4 diodes, Number of series

cells per bypass diode: 24 cells /

diode. See Figure 3.

INSTALLATION GENERAL

Please read this guide completely before

installation or use of the modules.

OPERATING CONDITIONS

Panasonic recommends that modules be

operated within the following Operating

Conditions. An installation location with

conditions beyond the Operating Condi-

tions or with other Special Conditions

(see below) should be avoided. Operat-

ing Conditions of Panasonic modules are

as follows:

1) The modules should be operated only

in terrestrial applications. No space or

other Special Conditions.

2) The operating module temperature

must be within –30°C (-22°F ) to 85°C

(185°F ). And the operating ambient

temperature must be within –30°C (-22°

F ) to 60°C (140°F ).

3) The wind pressure load of the installa-

tion site should be less than Load Re-

sistance shown in “Mount Locations and

Load Resistance” refer to table 1-3.

UNPACKING AND HANDLING

 Do not hit the back sheet of a mod-

ule with the connector when un-

packing and handling.

 Please do not expose the connector

to rain water and dust .

 To avoid damage to the back sheet

by the connector, Do not cut the

string binding the cables of junction

box. See Figure 4.

 Do not handle modules while hold-

ing their cables, junction box or

microinverter. Handle them while

holding the frame with both hands

in any situation.

 The anti-reflection glass of a module

is easily soiled, when it is grasped by

hand or hand gloves. So it is recom-

mended to hold frames when carry-

ing or installing the solar module.

When cables and connectors touch

the surface of the glass, it may soil

the surface too. It is also recom-

mended to avoid contact of cables

and connectors with surface of the

glass. (If the glass surface becomes

dirty, see section of "anti-reflection

glass surface cleaning".)

Figure 4. The string binding the cables of Junction box

24 cells /

Figure 3. Number of series

cells per bypass diode

Do not cut the string binding the cables of Junction box

Figure 5. How to move to the shipping position using the Enphase Disconnect Tool.

PREPARE THE MICROINVERTER

 Before installing the PV module the

microinverters must be lifted from

the shipping position. On the

ground, turn the PV module so that

the microinverter faces you.

 Using both hands, lift the microin-

verter up. You will hear four clicks as

the microinverter locks into the in-

stallation position (Deployed posi-

tion). Ensure that the four latches

are locked, and the microinverter is

not tilted.

 Place the PV modules on the roof.

Do not place the PV modules in such

a way that places pressure on the

microinverter.

 If you need to service, you can return

the microinverter to the shipping

position using theEnphase Discon-

nect Tool. Use the tool to depress the

four locking switches on each corner

of the microinverter to return it to

the shipping position.(See Figure.5)

 If the problem persists, contact Cus-

tomer Support at Website as follows,

https://enphase.com/en-us/company/

contact-us

POSITION THE ENPHASE Q CA-

BLE

 Plan each cable segment to allow

drop connectors on the Enphase Q

Cable to align with each PV module.

Allow extra length for slack, cable

turns, and any obstructions.

 Mark the approximate centers of

each PV module on the PV racking.

 Lay out the cabling along the in-

stalled racking for the AC branch

circuit. Make sure that the cable is

positioned in a way that allows you

to connect it to the microinverter.

 Cut each segment of cable to meet

your planned needs.

 When transitioning between rows,

secure the cable to the rail to pre-

vent cable damage or connector

damage. Do not count on connector

to withstand tension.

 When transitioning, Please do not

damage at cable or connector.

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