SUNSOURCE® HOME ENERGY SYSTEM SAMPLE PERMIT APPLICATION
PACKAGE
TABLE OF CONTENTS
Application1
A1 — System Summary2
A2 — Site Plan2
A3 — Module Layout3
B1 — Wiring Diagram4
B2 — Wiring Calculations6
SAMPLE PERMIT
Application
This document is provided as guidance. Installation of a
utility-interactive solar photovoltaic system generally
requires a permit from the local authority having
jurisdiction (AHJ). This document provides a typical format
for a residential permit application to install a SunSource
Home Energy System.
C1 — PVWatts Calculations7
D1 — Labels9
E1 — PVC AC Module Datasheet10
E2 — Microinverter Datasheet12
®
E3 — Module Attachment Hardware Datasheet14
Page 1
Page 2
A1 — System Summary
Project Report
For Construction: March 15, 2013
Project #: 412
Client: Mr. Jeff Bailey
Address: Corsicana, TX
System Size: 3.180 kW
Module: Solar World SW-265
Microinventer: Enphase
Utility: United Cooperative Service
The following design describes a Solar PV system with a peak STC DC size of 3.180 kW
and an estimated electrical generation of 4828 kWh per year.
The modules are mounted on the south facing roof with an 185º azimuth at a 32º tilt. The solar PV AC array consists of
(12) SW-265 solar modules with each solar module in the array connected to an Enphase M215 microinverter. They
have 96% CEC efficiency rating
From each module, DC power is connected directly to an Enphase microinventer mounted below each module.
240VAC power from the microinventer passes through a renewable energy credit meter; next, through a disconnect
switch and then ties into solar source breaker located in the Lennox SunSource
®
XC21-060 (5-Ton) air conditioner.
A2 — Site Plan
N
A
B
2
1
/
A
1
SCHEDULE OF COMPONENTS
APhotovoltaic array
BMicroinverters
CRenewable energy credit meter (if requested by electric utility)
DAC utility disconnect
EHVAC unit (existing)
FHVAC disconnect (existing
GMain service panel (existing)
HUtility meter (existing
Site Plan
NTS
FROM PV ARRAY
UTILITY
METER
C
H
G
2
Elevation @ Utility Meter
SCALE 1/2” = 1' - 0”
AC SOLAR DISCONNECT
D
F
E
EXISTING 60A HVAC
DISCONNECT; FED
FROM HVAC
BREAKER LOCATED
IN MAIN SERVICE
PANEL
Page 2
Page 3
A3 — Module Layout
Module Layout
1
SCALE: 1/8” = 1’- 0”
SOUTH FACING ROOF: 3.18 KW PV ARRAY DETAILS
S(12) SW-265 solar PV AC modules in one AC circuit.
S(12) Enphase M215602LLS22 (240)
S90MPH designed wind speed and exposure category B.
SComposition shingle roof on 1/2” OSB decking with 2” x 6” at 24” O. C.
Page 3
Page 4
B1 — Wiring Diagram
Figure 1. SunSource® Home Energy System Electrical Layout
Page 4
Page 5
B1 — Alternate Wiring Diagram
Page 5
Page 6
B2 — Wire Calculations
AC Wire Sizing
Description
1. Design Current
SMicroinverter Maximum Current
2. Wire Size
AC run from inverter through ACV disconnect to solar source
breaker.
15 A ACMaximum Current15 A AC
SMaximum average ambient
temperature
SNumber of current wires
SMaximum wire temperature allowed
SSelected wire size
SInsulation type
3. Conduit size
SConduit specified
SConduit type
4. Breaker size
SAC over-current protection device
(OCPD) size specified
SVoltage rating of OCPD
5. Voltage drop
SVnom
SInom
115°F (46°C)
2 per conduit
167°F (75°C)
10 AWG
THHN/THWNN-2
¾”
EMT
20 A AC
240 VAC
240 VACVoltage drop.96 VAC
12.0 A AC
Temperature De-rate
Factor
Conduit de-rate
factor
Specified wire
ampacity
Minimum breaker
size
Maximum breaker
size
Voltage loss percent
age
0.87
1
30.45 amps
20 A AC
30
0.4%
SWire distance
45 feet (13.7 meters)Power loss11 watts
Page 6
Page 7
C1 — PVWatts Calculations
Page 7
Page 8
C1 — PVWatts Calculations (continued)
Page 8
Page 9
D1 — Labels
USED NEXT TO
CIRCUIT
BREAKER IN
MAIN PANEL.
USED ON HVAC
DISCONNECT
SWITCH
USED ON UNIT
CB10 PLASTIC
COVER
USED ON SOLAR
DISCONNECT
SWITCH
SOURCE CIRCUIT DISCONNECT FOR
SOLAR
−−−−−−−−−−−−−−−−−−−
(DISCONNECT BOTH POWER SOURCES
BEFORE PERFORMING REPAIRS OR
OPENING EQUIPMENT SERVICE PANEL)
USED ON UNIT
CB40 PLASTIC
COVER
Page 9
Page 10
E1 — Module Data Sheet
PERFORMANCE
Performance
1
Standard Testing
Conditions
Maximum PowerP
Open Circuit
Voltage
Maximum Power
Point Voltage
Short Circuit
Current
Maximum Power
Point Current
max
V
oc
V
mpp
I
sc
I
mpp
265 Wp187.6 Wp
2
Performance At 800 W/M2,
Under
Normal Operating Cell
Temperature (NOCT),
AM 1.5
38.1V34.3V
31.9V28.7V
8.82A7.12A
8.33A6.66A
1
Standard Testing Conditions at 1000W/m2, 25C, AM 1.5
2
Minor reduction in ef’i
COMPONENT MATERIALS
265 Wp
Cells per module60
Cell typeMono crystalline
Cell dimensions6.14 in. x 6.14 in.
FrontTempered glass
(EN 12150)
FrameClear anodized
aluminum
Weight47 lbs.
ADDITIONAL DATA
THERMAL CHARACTERISTICS
265 Wp
NOCT115F
TCI
TC
TCP
SC
VOC
MPP
0.004%/K
–0.30%/K
–0.45%/K
Operating Temp.–40F to 185F
SYSTEM INTEGRATION PARAMETERS
Maximum system voltage SC II1000V
Maximum system voltage USA NEC600V
Maximum reverse currents16A
Number of bypass diodes3
UL Design LoadsTwo rail system113 psf downward,
64 psf upward
UL Design LoadsThree rail system170 psf downward,
64 psf upward
IEC Design LoadsTwo rail system113 psf downward,
50 psf upward
265 Wp
Power Tolerance−0 Wp / +5 Wp
J−BoxIP65
ConnectorMC4
Module ef’iciency15.81%
Fire rating UL (790)Class C
Page 10
Page 11
E1 — Module Data Sheet (continued)
DIMENSIONS − INCHES (MM)
66
(1676)
37−1/2
(952)
11−3/8
(289)
41−3/8
(1051)
2−1/2
1−3/8
(35)
1−1/4
1−1/4
(32)
4−1/4
(108)
39−3/8
(1000)
5/8
(16)
Page 11
Page 12
E2 — Microinventer Data Sheet
ENPHASE MICROINVERTER
How the Enphase Microinverter Works
The Enphase Microinverter maximizes energy
production from the solar module array. Each Enphase
Microinverter is individually installed on one solar
module in the array.
This unique con’iguration means that an individual
Maximum Peak Power Point Tracker (MPPT) controls
each solar module. This ensures that the maximum
power available from each solar module is exported to
the utility grid regardless of the performance of the other
solar modules in the array.
Even if individual solar modules in the array are
affected by shading, soiling or orientation, the Enphase
Microinverter ensures optimum performance for each
associated solar module. The result is maximum energy
production from the SunSource Energy System.
Enphase Microinverters for 3−Phase Applications
Each Enphase Microinverter automatically connects to
one phase of a 3−phase system. It senses the grid and
synchronizes to that phase. When applied in groups of
three it creates a balanced 3−phase system. If systems
are installed in something other than multiples of three a
small imbalance will be created across the phases. The
maximum output of each inverter is 0.92A. This would
be the maximum imbalance possible.
Enphase Microinverter Status LED Indications and
Error Reporting
Startup LED Operation:
Six short green blinks when DC power is ’irst applied
to the Enphase Microinverter indicates a successful
microinverter startup sequence.
Six short red blinks when DC power is ’irst applied to
the Enphase Microinverter indicates a failure during
microinverter startup.
Post−Startup LED Operations:
Flashing Green − Producing power and
communicating with Envoy
Flashing Orange Producing power and not
communicating with Envoy
Flashing Red Not producing power
GFDI Fault:
A solid red status LED when DC power has been
cycled, indicates the Enphase Microinverter has
detected a ground fault (GFDI) error. The LED will
remain red and the fault will continue to be reported by
the Envoy until the error has been cleared. The error
can only be cleared via the Envoy after the ground fault
condition has been remedied.
Other Faults:
All other faults are reported to the Envoy.
Page 12
Page 13
ENPHASE MICROINVERTER OPERATING PARAMETERS
INPUT DATA (DC)
Recommended Input Power (STC)190−270W
Maximum Input DC Voltage45V
Peak Power Tracking Voltage22V − 36V
Operating Range16V − 36V
Min./Max Start Voltage22V / 45V
Max. DC Short Circuit Current15A
Max. Input Current10.5A
OUTPUT DATA (AC)
208 VAC240 VAC
Maximum Output Power215W215W
Nominal Output Current1.0A (arms at nominal duration)0.9A (arms at nominal duration)
Operating Temperature Range (Internal)−40F to 185F
Dimensions (W x H x D)6.8 in. x 6.45 in. x 1 in.
Weight3.5 lbs.
CoolingNatural Convection − No Fans
Enclosure Environmental RatingOutdoor − NEMA 6
FEATURES
CompatibilityPairs with most 60−cell PV Solar Modules
CommunicationPower Line
Warranty25−year Limited Warranty
MonitoringFree Lifetime Monitoring via Enlighten Software
ComplianceUL1741/IEEE1547, FCC Part 15 Class B
CAN/CSA−C22.2 NO. 0−M91, 0.4−04, and 107.1−01
VOLTAGE AND FREQUENCY LIMITS FOR UTILITY INTERACTION
ConditionSimulated utility sourceMaximum time (sec) (cycles) at 60 Hz before
Voltage (V)Frequency (Hz)
A< 0.50 V
B
C1.10 V
D
0.50 V
< V < 0.88 V
Typical
< V < 1.20 V
Typical
1.20 V
Typical
Typical
Typical
Typical
Rated0.16
Rated2
Rated1
< VRated0.16
cessation of current to the simulated utility
ERatedf > 60.50.16
FRatedf < (59.8 – 57.0)0.16 – 300
Page 13
Page 14
E3 — Module Attachment Hardware
8
7
QUICK MOUNT PV
6
5
4
NOTE — Check with local building department to identify any unique
wind or snow load requirements that pertain to your jurisdiction. A
combination of shortening the maximum span between roof
attachments and increasing the length of your lags will enhance the
wind load rating of PV System. When the proper number of
attachment points are included, PV System panels are rated for
coastal conditions in Florida.
ITEM
NO.
DESCRIPTIONQTY.
1FLASHING, 12” X 12” X .050”, 5052, MILL1
2QBLOCK, CLASSIC, A360.1 CAST AL, MILL1
3HANGER BOLT, 5/16” x 6”, 18-8 SS1
4
WASHER, SEALING, 5/16” ID X 3/4” OD, EPDM
BONDED SS
5NUT, HEX, 5/16-18, UNC-2, 18-8 SS2
6
WASHER, FLAT, 19/64” ID x 7/8” OD x 1/8”
7WASHER, FENDER, 5/16” ID X 1” OD, 18-8 SS1
8WASHER, SPLIT-LOCK, 5/16” ID, 18-8 SS1
EPDM
3
2
1
Install the flashing below the upper shingle to allow water
to run around the raised penetration point. Seal the
penetration and lag screws with appropriate roofing
sealant.
1
1
Page 14
Page 15
QUICK MOUNT PV (CONTINUED)
Page 15
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