HomeMy WebLinkAboutLA201469 - Ruth Langdon ENG CAD-min814 E 1475 N
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Solar Professional Engineering Consulting 2022.04.11 admin@lucenteng.co
Everlight Solar
PO Box 930550
Verona, WI 53593
RE: Engineering Services
Langdon Residence
20320 Kensington Way, Lakeville, MN
7.67 kW System
Solo Job #2034192
To Whom It May Concern,
A. Assumptions from Field Observation provided by Everlight Solar
Roof Roof B
Roof Finish :Asphalt Shingle Asphalt Shingle
Roof Underlayment :OSB OSB
Roof Profile :Gable Gable
Roof Structural System :Metal Plate Trusses Metal Plate Trusses
Truss Top Chord/Setup :2 x 4 / Fink 2 x 4 / Fink
Chord/Rafter Wood Grade :Doug-Fir #1 or better Doug-Fir #1 or better
Truss/Rafter Spacing :24'' o.c.24'' o.c.
Roof Slope :33 deg 33 deg
Max Top Chord/Rafter Span :7.74 ft 7.74 ft
Bearing Wall Type : Convl Lt-Frame Constr CLFC
Foundation : Permanent Concrete Permanent Concrete
Stories : Two Single
B. Building Design Criteria
Code : 2018 IRC (ASCE 7-16) Risk Category : II
Roof Live Load : 20 psf (0 psf at panels) Occupancy Class : R-3
Ground Snow Load : 50 psf Roof Dead Load : 6.5 psf
Ult Wind Speed : 115 mph PV Dead Load : 3 psf
Exposure Category : C Total Dead Load : 9.5 psf
C. Summary of Existing Structure Results
Roof
Lucent Engineering, P.C.
April 20, 2022
We have reviewed the following information regarding the solar panel installation for this project. Alterations to
these documents or plans shall not be made without direct written consent of the Engineer of Record.
The following structural design regarding the proposed alterations have been prepared from these
assumptions. The verification of the field observations is the responsibility of the contractor. Prior to
commencement of work, the contractor shall verify the framing sizes, spacings, and spans noted in the
sealed plans, calculations, and/or certification letter and notify the Engineer of Record of any
discrepancies.
After review of the field observations and based on our calculations and in accordance with the
applicable building codes and current industry standards, the existing roof structure supporting the
proposed alterations consisting of the solar array has been determined to be:
- Adaquate to support the additional imposed loads. No structural upgrades are required.
D. Solar Panel Support Bracket Anchorage
1.
2. Manufacturer's Panel Bracket Connection to Roof Chord/Rafter Member:
Fastener : (1) 5/16'' Lag Screw per Bracket
NDS Withdrawl Value : 266 lbs/inch
Min. Thread Length and Pentration Depth : 2.5''
3.
4.
E. Overall Summary
Sincerely,
Michael Leeper, PE
License No. 56187
Limits of Scope of Work and Liablity
Page 2 of 2
Should you have any questions regarding this letter or if you require further information, do not hesitate to
contact me.
Considering the existing roof's slope, size, spacing, condition, and calculated loads, the panel
bracket supports shall be placed no greater than 48 in. o/c.
Panel supports connections shall be staggered to distribute load to adjacent trusses.
Solar panels shall be designed, mounted, and installed in accordance with the most recent
''Ironridge Manual'', which can be found on the Ironridge website (http://ironridge.com).
Based on the information supplied to us at the time of this report, on the evaluation of the existing structure,
and solar array panel bracket connection, it is our opinion that the roof system will adequately support the
additional loads imposed by the solar array. This evaluation conforms to 2018 IRC and current industry
standards.
The existing structure is assumed to have been designed and constructed following appropriate codes at the
time of erection and assumed to have appropriated permits. The calculations performed are only for the roof
framing supporting the solar array installation referenced in the stamped plans and were completed according
to generally recognized structural analysis standards and procedures, professional engineering, and design
experience opinions and judgements. Existing deficiencies which are unknown or were not observed during
the time the site observation are not included in this scope of work. All solar panel modules, racking, and
mounting equipment shall be designed and installed per the manufacturer's approved installation
specifications. The Engineer of Record and the engineering consulting firm assume no responsibility for
misuse or improper installation. This analysis is not stamped for water leakage. Framing was determined on
information in provided plans and/or photos, along with engineering judgement. Prior to commencement of
work, the contractor shall verify the framing sizes, spacings, and spans noted in the stamped plans,
calculations, and/or certification letter and notify the Engineer of Record of any discrepancies prior to starting
construction. If during solar panel installation, the roof framing members appear unstable or deflect non-
uniformly, our office should be notified before proceeding with the installation. The contactor shall also verify
that there are no damage/deficiencies (i.e., dry rot, water damage, termite damage, framing
member/connection damage, etc.) to framing that was not addressed in the stamped plans, calculations,
and/or certification letter and notify the Engineer of Record of any concerns prior to starting construction.
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
COVER PAGE - PV01
DRAWN BY: SoloCAD
1.INSTALLATION OF SOLAR PHOTOVOLTAIC SYSTEM SHALL BE IN ACCORDANCE WITH NEC ARTICLE
690, AND ALL OTHER APPLICABLE NEC CODES WHERE NOTED OR EXISTING.
2.PROPER ACCESS AND WORKING CLEARANCE AROUND EXISTING AND PROPOSED ELECTRICAL
EQUIPMENT WILL COMPLY WITH NEC ARTICLE 110.
3.ALL WIRES, INCLUDING THE GROUNDING ELECTRODE CONDUCTOR SHALL BE PROTECTED FROM
PHYSICAL DAMAGE IN ACCORDANCE WITH NEC ARTICLE 250
4.THE PV MODULES ARE CONSIDERED NON-COMBUSTIBLE; THIS SYSTEM IS UTILITY INTERACTIVE PER
UL 1741 AND DOES NOT INCLUDE STORAGE BATTERIES OR OTHER ALTERNATIVE STORAGE SOURCES.
5.ALL DC WIRES SHALL BE SIZED ACCORDING TO [NEC 690.8]
6.DC CONDUCTORS SHALL BE WITHIN PROTECTED RACEWAYS IN ACCORDANCE WITH [NEC 690.31]
7.ALL SIGNAGE TO BE PLACED IN ACCORDANCE WITH LOCAL JURISDICTIONAL BUILDING CODE.
PHOTOVOLTAIC (PV) SYSTEM SPECIFICATIONS
AERIAL VIEW:
OCCUPANCY: R-3
ZONING: RESIDENTIAL
STREET VIEW:
GENERAL NOTES
APPLICABLE GOVERNING CODES SITE SPECIFICATIONS
2020 NEC
2020 MRC
2020 MFC
2020 MBC
EQUIPMENT:
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
RACKING: Quickbolt - 48" O.C.
PV01 COVER PAGE
PV02 SITE PLAN
PV03 ROOF ATTACHMENTS
PV04 MOUNTING DETAIL
PV05 LINE DIAGRAM
PV06 ELECTRICAL CALCS
PV07 LABELS
PV08 PLACARD
PV09 SITE PHOTOS
SHEET INDEX:
MSP
M PV AC C
JB
JB
JB
AC
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 202220320 Kensington WayVISIBLE, LOCKABLE,
LABELED AC DISCONNECT
LOCATED WITHIN 10'
OF UTILITY METER
ALL PV EQUIPMENT INSTALLED
WITHIN 10' OF UTILITY METER
24/7 UNESCORTED KEYLESS
ACCESS SHALL BE PROVIDED
TO XCEL ENERGY FOR ALL
XCEL ENERGY OWNED
METERS AND DISCONNECTS
SITE PLAN - PV02
DRAWN BY: SoloCAD
MP1
MP2
MP3
ARRAY DETAILS:
MOUNTING PLANE:AZIMUTH:TILT:
MP1 90°33°
MP2 270°33°
MP3 180°33°
CASE #: 04924191
NO CLEARANCE ISSUES AROUND HOME
OR SOLAR ARRAY
EQUIPMENT LEGEND:
INVERTERVISIBLE, LOCKABLE, LABELED
AC DISCONNECT
METER SOCKET
(FOR UTILITY PV METER)
UTILITY METER
MAIN SERVICE PANEL LC LOAD CENTER
FIRE ACCESS PATHWAY (3' TYP)
C
INV
PV
AC
MSP
M
COMBINER BOX
PROPERTY LINE
BATT BATTERY(IES)
SUB SUB PANEL
84'-8"
129'-4"
129'-4"
UTILITY AC DISCONNECT
MAIN SERVICE PANEL
LOCATED INSIDE
SOLAR ARRAY INVERTERS
BEHIND PANELS
203rd St W
458' N
MSP
M PV AC C
JB
JB
JB
AC
EQUIPMENT INFORMATION:ROOF INFO:PHOTOVOLTAIC ARRAY STRUCTURAL CRITERIA:
RAIL MANUFACTURER:IronRidge ROOF TYPE:Asphalt Shingle PV MODULE COUNT:28
RAIL PART NUMBER:XR-10 ROOF FRAMING:Manufactured Truss ARRAY AREA:MODULE COUNT * 19.83 ft² = 555.24
ATTACHMENTS Quickbolt RAFTER/TOP CHORD SIZE:2x4 ROOF AREA:1993 ft²
ATTACHMENT QTY:56 RAFTER/TOP CHORD SPACING:24"PERCENT OF ROOF COVERED:28%
SPLICE QTY:10 ATTACHMENT SPACING:48''ARRAY WEIGHT:MODULE COUNT * 45 lbs = 1260 lbs
MIDCLAMP QTY:44 DISTRIBUTED LOAD:ARRAY LBS/ATTACHMENTS = 22.5
ENDCLAMP QTY:24 POINT LOAD: (lbs/ft²)(ARRAY) WEIGHT/AREA = 2.27 lbs/ft²
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
ROOF ATTACHMENTS - PV03
DRAWN BY: SoloCAD
1'-6" TYP
3'-0" TYP
RAIL
L-FOOT/ATTACHMENT BRACKET
(E) ROOF FRAMING
QUICKBOLT
FLASHING
PV MODULE
(E) COMP SHINGLE ROOF (1 LAYER)
RAIL
END CLAMP
PV MODULE
MID CLAMP
PV MODULE
4"
2 12" MIN.
DEPTH
RAIL
RAIL
FLASHING & QUICKBOLT
2'-8" MIN -
3'-10" MAX
3
RAIL
PV MODULE
" MAX."1'-8"
MAX.
21
FRONT VIEW
10" MIN -
1'-4"
MAX
2'-8" MIN -
3'-10" MAX
10" MIN -
1'-4"
MAX
SIDE VIEW
(E) RAFTER/TOP CHORDS
(E) RAFTER/TOP CHORD
DETAIL, MOUNTING AND FLASHING
END CLAMP DETAILS MID CLAMP DETAILS
3
21
EQUIPMENT INFORMATION:ROOF INFO:PHOTOVOLTAIC ARRAY STRUCTURAL CRITERIA:
RAIL MANUFACTURER:IronRidge ROOF TYPE:Asphalt Shingle PV MODULE COUNT:28
RAIL PART NUMBER:XR-10 ROOF FRAMING:Manufactured Truss ARRAY AREA:MODULE COUNT * 19.83 ft² = 555.24
ATTACHMENTS Quickbolt RAFTER/TOP CHORD SIZE:2x4 ROOF AREA:1993 ft²
ATTACHMENT QTY:56 RAFTER/TOP CHORD SPACING:24"PERCENT OF ROOF COVERED:28%
SPLICE QTY:10 ATTACHMENT SPACING:48''ARRAY WEIGHT:MODULE COUNT * 45 lbs = 1260 lbs
MIDCLAMP QTY:44 DISTRIBUTED LOAD:ARRAY LBS/ATTACHMENTS = 22.5
ENDCLAMP QTY:24 POINT LOAD: (lbs/ft²)(ARRAY) WEIGHT/AREA = 2.27 lbs/ft²
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
MOUNTING DETAIL - PV04
DRAWN BY: SoloCAD
J-BOX
STRING (1): 15.96 A AC, 14 MODULES
STRING (2): 15.96 A AC, 14 MODULES
N
G
3
AC COMBINER BOX
SOLAR LOADS ONLYUL 1741 COMPLIANT
AC
DC
AC
DC7 INVERTERS
AC
DC
AC
DC7 INVERTERS
J-BOX
(N) 100A
(2) 20A-2P
J-BOX1 2
1 2
4
(E) LOADS
N
G
(E)GROUNDING
ELECTRODE
SUPPLY SIDE CONNECTION:
NEC 230.46, NEC 230.79,
NEC 705.12(A).
K4977-INT MILBANK
LUG KIT TO BE ADDED
(E) 150A-2P
(E) 150A MAIN SERVICE PANEL
(E)
(E)UTILITY METER
120/240 VAC
TO UTILITY GRID
1-PH, 240V RATED SERVICE
LUG KIT CANNOT BE SPLICING TYPE
UTILITY PV
PRODUCTION
METER
LOAD SIDE
4 4 4
(N) 40A FUSES
VISIBLE-OPEN TYPE,
LOCKABLE, READILY
ACCESSIBLE, LABELED,
240V, 2-POLE
VISIBLE-OPEN TYPE,
LOCKABLE, READILY
ACCESSIBLE, LABELED,
240V, 2-POLE, FUSED
60A60A
LINE SIDE
1-PH, 3-WIRE,
120/240V, 200A
NO LOADS OR STAGE
SYSTEM ON DER SIDE OF
PRODUCTION METER
THE PV PRODUCTION
METER SOCKET MUST
HAVE LEVER BYPASS
REFERENCE POINT OF APPLICABILITY
UTILITY AC
DISCONNECT
PHOTOVOLTAIC AC
DISCONNECT
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
LINE DIAGRAM - PV05
DRAWN BY: SoloCAD
AP Systems YC600 Specs
MAX INPUT VOLTAGE:55 V
MAX DC SHORT CIRCUIT CURRENT:12 A
MAXIMUM OUTPUT POWER:548 W
MAXIMUM OUTPUT CURRENT:2.28 A
NOM. OUTPUT VOLTAGE:240 V
MAX UNITS PER 20A CIRCUIT:7
1-Phase, 60 HZ, UL 1741 Listed
Mission Solar MSE345SX5T Specs
POWER MAX (PMAX):345W
OPEN CIRCUIT VOLTAGE (VOC):41V
MAX POWER-POINT CURRENT (IMP):10.34A
MAX POWER-POINT VOLTAGE (VMP):33.37V
SHORT CIRCUIT CURRENT (ISC):10.92A
SERIES FUSE RATING:20A
CASE #:
VISIBLE, LOCKABLE,
LABELED AC DISCONNECT
LOCATED WITHIN 10'
OF UTILITY METER
Conduit & Conductor Schedule
TAG QTY WIRE GAUGE DESCRIPTION CONDUIT SIZE
1 (2)12-2 TC-ER, THWN-2, COPPER (L1, L2)N/A - FREE AIR(1)6 AWG THWN-2 COPPER - (GROUND)
2 (2)10 AWG THHN/THWN-2, COPPER - (L1, L2)3/4" EMT(1)10 AWG THWN-2 COPPER - (GROUND)
3 (4)10 AWG THHN/THWN-2, COPPER - (L1, L2)3/4" EMT(1)10 AWG THWN-2 COPPER - (GROUND)
4 (3)6 AWG THWN-2 COPPER - (L1, L2, NEUTRAL)3/4" EMT(1)8 AWG THWN-2 COPPER - (GROUND)
DESIGN SHALL MEET NEC REQUIREMENTS
Equipment Schedule
TYPE:QTY:DESCRIPTION:RATING:
MODULES:(28)Mission Solar MSE345SX5T 345 W
INVERTERS:(14)AP Systems YC600 548 W
AC DISCONNECTS:(1)PV AC Disconnect, 240V, 2-Pole 60 A
04924191
ALL PV EQUIPMENT INSTALLED WITHIN 10' OF UTILITY METER
INTERCONNECTION NOTES
1. GROUND FAULT PROTECTION IN ACCORDANCE WITH [NEC 215.9] & [NEC 230.95]
2. SUPPLY SIDE INTERCONNECTION ACCORDING TO [NEC705.12(A)] WITH SERVICE ENTRANCE
CONDUCTORS IN ACCORDANCE WITH [NEC 240.21(B)]
DISCONNECT NOTES
1. DISCONNECTING SWITCHES SHALL BE WIRED SUCH THAT WHEN THE SWITCH IS OPENED THE
CONDUCTORS REMAINING LIVE ARE CONNECTED TO THE TERMINALS MARKED “LINE SIDE” (TYPICALLY
THE UPPER TERMINALS)
2. AC DISCONNECT MUST BE ACCESSIBLE TO QUALIFIED UTILITY PERSONNEL, BE LOCKABLE, AND BE
A VISIBLE-BREAK SWITCH.
3. FUSED AC DISCONNECT TO BE USED.
GROUNDING & GENERAL NOTES:
1. PV INVERTER IS UNGROUNDED, TRANSFORMER-LESS TYPE.
2. DC GEC AND AC EGC TO BE SPLICED TO EXISTING ELECTRODE
3. ANY EXISTING WIRING INVOLVED WITH PV SYSTEM CONNECTION THAT IS FOUND TO
BE INADEQUATE PER CODE SHALL BE CORRECTED PRIOR TO FINAL INSPECTION.
4. JUNCTION BOX QUANTITIES, AND PLACEMENT SUBJECT TO CHANGE IN THE FIELD -
JUNCTION BOXES DEPICTED ON ELECTRICAL DIAGRAM REPRESENT WIRE TYPE
TRANSITIONS.
5. AC DISCONNECT NOTED IN EQUIPMENT SCHEDULE OPTIONAL IF OTHER
AC DISCONNECTING MEANS IS LOCATED WITHIN 10' OF SERVICE DISCONNECT.
STRING CALCULATIONS
MAX AC CURRENT:
MICRO INVERTERS IN SERIES
NOMINAL STRING VOLTAGE:
MAX AC OUTPUT POWER
ARRAY DC POWER:
TOTAL MAX AC CURRENT:
STRING #1
15.96A
7
240V
3836W
9660W
31.92A
STRING #2
15.96A
7
240V
3836W
AP Systems YC600
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
ELECTRICAL CALCS - PV06
DRAWN BY: SoloCAD
Conduit & Conductor Schedule
TAG QTY WIRE GAUGE DESCRIPTION CONDUIT SIZE CONDUCTOR RATING CONDUCTOR TEMP. RATE AMBIENT TEMP TEMP. DERATE # OF CONDUCTORS
DERATE
CONDUCTOR RATING
W/DERATES CONDUIT FILL
1 (2)12-2 TC-ER, THWN-2, COPPER (L1, L2)N/A - FREE AIR 30A 90°C 32°C 0.96 N/A - FREE AIR 28.8A N/A - FREE AIR(1)6 AWG THWN-2 COPPER - (GROUND)
2 (2)10 AWG THHN/THWN-2, COPPER - (L1, L2)3/4" EMT 40A 90°C 32°C 0.96 1 38.4A 11.9%(1)10 AWG THWN-2 COPPER - (GROUND)
3 (4)10 AWG THHN/THWN-2, COPPER - (L1, L2)3/4" EMT 40A 90°C 32°C 0.96 0.8 30.72A 19.8%(1)10 AWG THWN-2 COPPER - (GROUND)
4 (3)6 AWG THWN-2 COPPER - (L1, L2, NEUTRAL)3/4" EMT 65A 75°C 32°C 0.96 1 62.4A 35.5%(1)8 AWG THWN-2 COPPER - (GROUND)
SYSTEM OCPD CALCULATIONS
INVERTER MODEL(S):AP Systems YC600
# OF INVERTERS:14
MAX OUTPUT CURRENT:2.28A
(# OF INVERTERS) X (MAX OUTPUT CURRENT) X 125% <= OCPD RATING
(14 X 2.28A X 1.25) = 39.9A <= 40A, OK
SUPPLY SIDE INTERCONNECTION
MAIN BUSBAR RATING:150A
MAIN DISCONNECT RATING:150A
PV OCPD RATING:40A
SERVICE RATING >= PV OCPD
150A >= 40A, OK, OK
NUMBER OF CURRENT CARRYING CONDUCTORS PERCENT OF VALUES
4-6 .80
7-9 .70
10-20 .50
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
LABELS - PV07
DRAWN BY: SoloCAD
PRODUCTION METER
LABEL 15
PLACARD TO BE PLACED AT
BI-DIRECTIONAL METER PER XCEL
ENERGY.
LABEL 3
AT POINT OF INTERCONNECTION,
MARKED AT AC DISCONNECTING
MEANS.
[NEC 690.54, NEC 690.13 (B)]
LABEL 4
AT POINT OF INTERCONNECTION FOR
EQUIPMENT CONTAINING OVERCURRENT
DEVICES IN CIRCUTS SUPPLYING POWER TO
A BUSBAR OR CONDUCTOR SUPPLIED FORM
MULTIPLE SOURCES, EACH SERVICE
EQUIPMENT AND ALL ELECTRIC POWER
PRODUCTION SOURCE LOCATIONS.
[NEC 705.12(B)(3)]
LABEL 5
PLACED ADJACENT TO THE
BACK-FED BREAKER FROM THE
INVERTER IF TIE IN CONSISTS OF
LOAD SIDE CONNECTION TO
BUSBAR.
[NEC 705.12(D)(2)(3)(b)]
*ELECTRICAL DIAGRAM SHOWN ABOVE IS FOR LABELING PURPOSES ONLY. NOT AN ACTUAL REPRESENATION OF EQUIPMENT AND CONNECTIONS TO BE INSTALLED. LABEL LOCATIONS
PRESENTED MAY VERY DEPENDING ON TYPE OF INTERCONNECTION METHOD AND LOCATION PRESENTED ON PV5 OF 3 LINE DIAGRAM. PV5 LINE DIAGRAM TO REFLECT ACTUAL
REPRESENTATION OF PROPOSED SCOPE OF WORK.
JUNCTION BOX
OR COMBINER BOX
MAIN SERVICE PANEL
AC DISCONNECT
EXISTING SUB PANEL
(IF WHERE POINT OF
INTERCONNECTION
IS MADE)
PV COMBINER
SUBPANEL -
IF USED TO COMBINE
PV OUTPUT CIRCUITS
AC
DC
INVERTER (S)
INTEGRATED DC DISCONNECT
2
3
47
3
9
5
(ONLY IF PV
INTERCONNECTION
CONSISTS OF LOAD
SIDE BREAKER)
6
10
1 1 1
1
4
5
(ONLY IF PV
INTERCONNECTION
CONSISTS OF LOAD
SIDE BREAKER)
4
6
3
LABELING DIAGRAM:
12
11
8OR
LABEL 6
AT DIRECT-CURRENT EXPOSED RACEWAYS, CABLE TRAYS, COVERS AND ENCLOSURES OF JUNCTION
BOXES, AND OTHER WIRING METHODS; SPACED AT MAXIMUM 10FT SECTION OR WHERE
SEPARATED BY ENCLOSURES, WALLS, PARTITIONS, CEILINGS, OR FLOORS.
[NEC 690.31(G)(3&4)]
LABEL 10
(ONLY IF 3 OR MORE SUPPLY SOURCES TO A
BUSBAR)
SIGN LOCATED AT LOAD CENTER IF IT
CONTAINS 3 OR MORE POWER SOURCES.
[NEC 705.12(D)(2)(3)(C)]
LABEL 9
SIGN LOCATED AT RAPID SHUT DOWN
DISCONNECT SWITCH [NEC 690.56(C)(3)].
LABEL 7
FOR PV SYSTEMS THAT SHUT DOWN THE ARRAY AND
CONDUCTORS LEAVING THE ARRAY:
SIGN TO BE LOCATED ON OR NO MORE THAN 3 FT
AWAY FROM SERVICE DISCONNECTING MEANS TO
WHICH THE PV SYSTEMS ARE CONNECTED AND SHALL
INDICATE THE LOCATION OF ALL IDENTIFIED RAPID
SHUTDOWN SWITCHES IF NOT AT THE SAME
LOCATION.
[NEC 690.56(C)(1)(A)]
LABEL 8
FOR PV SYSTEMS THAT ONLY SHUT DOWN CONDUCTORS
LEAVING THE ARRAY:
SIGN TO BE LOCATED ON OR NO MORE THAN 3 FT AWAY
FROM SERVICE DISCONNECTING MEANS TO WHICH THE PV
SYSTEMS ARE CONNECTED AND SHALL INDICATE THE
LOCATION OF ALL IDENTIFIED RAPID SHUTDOWN SWITCHES
IF NOT AT THE SAME LOCATION.
[NEC 690.56(C)(1)(B)]
LABEL 11
PLACARD TO BE PLACED AT THE MAIN
BILLING METER PER XCEL ENERGY.
LABEL 12
PLACARD TO BE PLACED AT AC DISCONNECT
PER XCEL ENERGY.
LABEL 1
FOR PV DISCONNECTING MEANS
WHERE ALL TERMINALS OF THE
DISCONNECTING MEANS MAY BE
ENERGIZED IN THE OPEN
POSITION.
[NEC 690.13(B), NEC 705.22]
LABEL 2
AT EACH DC DISCONNECTING
MEANS, INCLUDING THE DC
DISCONNECT AT THE INVERTER.
[NEC 690.53, NEC 690.13(B)]
LABEL 13
SIGN LOCATED AT MAIN SERVICE
DISCONNECTING MEANS IF ALL ELECTRICAL
POWER SOURCE DISCONNECTING MEANS
ARE GROUPED WITHIN 10' AND LINE OF SITE
OF MAIN SERVICE DISCONNECT [NEC
690.56(B) & NEC 705.10].
LABEL 14
SIGN LOCATED AT AC COMBINER BOX FOR
ALL MICRO-INVERTER / AC MODULE INSTALLS
(IF APPLICABLE).
13
14
LABELING NOTES:
1.LABELS CALLED OUT ACCORDING TO ALL COMMON CONFIGURATIONS. ELECTRICIAN TO DETERMINE
EXACT REQUIREMENTS IN THE FIELD PER CURRENT NEC AND LOCAL CODES AND MAKE APPROPRIATE
ADJUSTMENTS.
2.LABELING REQUIREMENTS BASED ON THE 2014 NATIONAL ELECTRIC CODE, OSHA STANDARD 19010.145,
ANSI Z535.
3.MATERIAL BASED ON THE REQUIREMENTS OF THE AUTHORITY HAVING JURISDICTION.
4.LABELS TO BE OF SUFFICIENT DURABILITY TO WITHSTAND THE ENVIRONMENT INVOLVED [NEC 110.21]
5.LABELS TO BE A MINIMUM LETTER HEIGHT OF 3/8", WHITE ON RED BACKGROUND; REFLECTIVE, AND
PERMANENTLY AFFIXED [IFC 605.11.1.1]
3
4
1
WARNING!
TERMINALS ON THE LINE AND
LOAD SIDES MAY BE ENERGIZED
IN THE OPEN POSITION
ELECTRIC SHOCK HAZARD
!
RATED AC OUTPUT CURRENT A
NOMINAL OPERATING AC VOLTAGE V
PHOTOVOLTAIC SYSTEM
AC DISCONNECT !
WARNING!
WARNING: PHOTOVOLTAIC
POWER SOURCE
TURN RAPID SHUTDOWN
SWICH TO THE "OFF"
POSITION TO SHUT DOWN
PV SYSTEM AND REDUCE
SHOCK HAZARD IN ARRAY
SOLAR PV SYSTEM EQUIPPED
WITH RAPID SHUTDOWN
SOLAR ELECTRIC
PV PANELS
TURN RAPID SHUTDOWN
SWITCH TO THE "OFF"
POSITION TO SHUT DOWN
CONDUCTORS OUTSIDE
THE ARRAY. CONDUCTORS
WITHIN THE ARRAY REMAIN
ENERGIZED IN SUNLIGHT
SOLAR PV SYSTEM EQUIPPED
WITH RAPID SHUTDOWN
SOLAR ELECTRIC
PV PANELS
!
RAPID SHUTDOWN
SWITCH FOR
SOLAR PV SYSTEM
!WARNING
THIS EQUIPMENT IS FED BY MULTIPLE
SOURCES. TOTAL RATING OF ALL
OVERCURRENT DEVICES, EXCLUDING
MAIN SUPPLY OVERCURRENT
DEVICE, SHALL NOT EXCEED
AMPACITY OF BUSBAR.
PHOTOVOLTAIC
SYSTEM CONNECTED
UTILITY AC DISCONNECT
RAPID SHUTDOWN TEST
NOT REQUIRED!CAUTION!
ALL ELECTRIC POWER SOURCE
DISCONNECTING MEANS GROUPED
AND LABELED WITHIN 10 FT AND
LINE OF SIGHT OF THIS LOCATION
DIRECT CURRENT
PHOTOVOLTAIC POWER SOURCE
MAXIMUM VOLTAGE:VDC
MAX CIRCUIT CURRENT:AMPS
NO DC WIRES PRESENT
!WARNING
INVERTER OUTPUT CONNECTION
DO NOT RELOCATE
THIS OVERCURRENT
DEVICE
DUAL POWER SUPPLY
SOURCES: UTILITY GRID AND PV
SOLAR ELECTRIC SYSTEM
0
0
32
240
MSP
M PV AC C
JB
JB
JB
AC
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
POWER TO THIS BUILDING IS ALSO SUPPLIED FROM ROOF MOUNTED SOLAR
ARRAYS WITH SAFETY DISCONNECTS AS SHOWN:
CAUTION
DIRECTORY
PERMANENT PLAQUE OR DIRECTORY PROVIDING THE LOCATION OF THE
SERVICE DISCONNECTING MEANS AND THE PHOTOVOLTAIC SYSTEM.
(ALL PLAQUES AND SIGNAGE WILL BE INSTALLED AS OUTLINED WITHIN:
NEC 690.56(B)&(C), [NEC 705.10])FRONT OF HOMERAPID SHUTDOWN AC
DISCONNECT SWITCH
20320 Kensington Way, Lakeville MN 55044
MAIN DISTRIBUTION
UTILITY DISCONNECT
PLACARD - PV08
DRAWN BY: SoloCAD
COMBINER
PV ARRAY
SYSTEM UTILIZES MICROINVERTERS LOCATED UNDER EACH MODULE
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
SITE PHOTOS:
SITE PHOTOS - PV09
DRAWN BY: SoloCAD
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
SITE PHOTOS:
FRONT/BACK VIEWS - PV09.1
DRAWN BY: SoloCAD
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
SITE PHOTOS:
SIDE VIEWS - PV09.2
DRAWN BY: SoloCAD
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
SITE PHOTOS:
METER/OPEN MSP - PV09.3
DRAWN BY: SoloCAD
Everlight Solar Construction
7369 Highway 13 W
Savage, MN 55378
License# BC771658
833.786.4387 ext. 701
CONTRACTOR INFORMATION:
SITE INFORMATION
Ruth Langdon
20320 Kensington Way
Lakeville, MN 55044
AC SYSTEM SIZE: 7.672 kW AC
DC SYSTEM SIZE: 9.66 kW DC
Lat, 44.6547418
Long, -93.2872678999999
(28) Mission Solar MSE345SX5T PV MODULES
(14) AP Systems YC600 INVERTER(S)
Xcel Energy MN
DATE:
April 19, 2022
DRAWN BY: SoloCAD
TEST PROCEDURE
Contact Info and General
1.Name of Customer who owns service, the Xcel Energy “customer of record” for existing services
2.Installation premise address shall match application address
2.1 Address shall match the premise address for existing customer/services
3.Application OID, SRC, or case number assigned to the project
4.A note stating “All testing shall be performed by qualified personnel"
Testing Applicable to all DER
5.The procedure shall provide steps to verify fixed power factor settings for each inverter meet the
project requirements
6.The unintentional islanding test shall at minimum contain the following steps:
6.1 Steps that verify DER system is ready to be energized
6.2 Steps to verify labeling for the Main Service Panel, DER Protection, DC Disconnect, AC disconnect, Utility AC disconnect, Production Meter (when
applicable) and other relevant labelling and signage
6.3 Steps to energize the DER system
6.4 While in normal operation, steps to verify the voltages at the DER AC terminals are within 5% of the combined DER AC voltage ratings and all LEDs,
alarms, and/or LCD codes are “normal”
6.5 While in normal operation, steps to verify that all DER units are operational and producing power
6.6 Steps to simulate the loss of utility source11 for the unintentional islanding test shall be listed
6.6.1 Clearly identify the disconnection device being used to simulate this utility power outage
6.7 Using a voltmeter, verify the voltage at the inverter side of the AC disconnect has dropped to zero
6.7.1 Only customer-owned equipment shall be used for this verification. Xcel Energy will not provide special equipment for this verification. Xcel
`Energy provided meters shall not be used for this verification.
6.8 Using an ammeter or the DER’s display/metering, verify the DER has ceased to energize within two seconds. For three phase systems, three phase
monitoring may be required.
7.Verify DER LEDs, alarms, and/or LCD codes are appropriate for loss of Utility source
8.Steps to restore the lost Utility source shall be listed
9.A step to verify that the inverter system delays five (5) minutes before resuming power output after the Utility source is restored shall be listed
CASE #:
THESE SHEETS, DESIGNS, AND SPECS ARE PROPERTY OF SUN INCORPORATED. NO PART SHALL BE DUPLICATED OR USED FOR NONE OTHER THAN ITS SPECIFIC PROJECT WITHOUT WRITTEN CONSENT FROM SUN INCORPORATED.MOUNT SHEETSheet: 5File: \\SUN-SERVER\Sun Incorporated Jobs Master\Equipment\MOUNTS\QUICK MOUNT\QMPV-datasheet-QMHSS-LS-QuickHookSM-web.pdfMissing or invalid referenceSheet: 2File: \\SUN-SERVER\Sun Incorporated Jobs Master\Equipment\MOUNTS\QUICK MOUNT\QMPV-datasheet-QMHSS-LS-QuickHookSM-web.pdfMissing or invalid reference