electrical notes pv system notes agnes scott … · inverter 2 3#8 thwn-2 cu 3-wire (2+n+gnd) #8 cu...
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Location Map - NTS
AGNES SCOTT OBSERVATORY - SOLAR
220 E Hancock St, Decatur, GA 30030
Roof-Mounted Installation
6kW
N
S
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ELECTRICAL NOTESPV SYSTEM NOTES
ELECTRICAL REQUIREMENTS
MATERIALS AND METHODS
AS BUILT
DRAWINGS
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PV01
NOTES,
SCHEDULE
&
CALCULATIONS
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NUMBER
PV01
PV02
PV03a
PV04a
SHEET NAME
NOTES, SCHEDULE AND CALCULATIONS
LAYOUT
LAYOUT WITH WIRING - DC
SINGLE-LINE DIAGRAM AND ELECTRICAL PLAN
PV05 PRODUCT SPECIFICATION
PV06 BLANK
PV04b SIGNAGE DETAILS
DRAWING LIST
REVISION HISTORY
REVISION
NUMBER
DESCRIPTION
PV03b LAYOUT WITH WIRING - AC
PV07 BLANK
PV08 DETAILS
NUMBER SHEET NAME
DRAWING LIST (CONT)
- FOR CONSTRUCTION
A AS BUILT
32'-5"
OVERALL
22'-0 5/8"
PV ARRAY:
24 RENESOLA
250W MODULES
ROOF ACCESS
INVERTER AREA
TELESCOPE
EXISTING
PANELBOARD
EAST ROOF
WEST ROOF
60.09" TYP
AS BUILT
DRAWINGS
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PV02
LAYOUT
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SYSTEM LAYOUT
PLAN VIEW
A
NOTES:
1. LOCATIONS OF DISCONNECTS AND EQUIPMENT ARE APPROXIMATE;
THEY ARE SUBJECT TO ON-SITE REQUIREMENTS AND SHOWN HERE FOR
VISUAL CLARITY.
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Project:
AGNES SCOTT OBSERVATORY -
SOLAR
Address: 220 E Hancock St, Decatur, GA 30030
System Size:
6kW
MODULE: Renesola 250W
MODULE Qty:
24
Tilt: 11.9°
Azimuth: 180°
Mounting:
Roof-Mounted
ROOF ACCESS
TELESCOPE
A1-1 A2-12
A1-12
A2-1
AREA FOR INVERTERS
SEE PV-03b/B
EAST ROOF
WEST ROOF
SEE NOTE 1
AS BUILT
DRAWINGS
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PV03a
LAYOUT WITH
WIRING - DC
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LAYOUT WIRING - DCA
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NOTES:
1. EMT CONDUIT SUPPORTED BY SLEEPERS
LEGEND:
DC HOME RUNS: STRINGS TO
COMBINER BOXES
DC STRINGS
ROOF ACCESS
TELESCOPE
EXISTING
PANELBOARD
SEE DETAIL C
AREA FOR INVERTERS
SEE PV-03b/B
EAST ROOF
WEST ROOF
EXISTING PANELBOARD
FROM INVERTER THROUGH
BUILDING'S PENETRATION INTO
EXISTING PANELBOARD WITH
1" NM LIQUIDTIGHT
A
FROM MODULES' HOME RUNS
TO INVERTERS IN ONE 1" EMT
INVERTER
FROM INVERTER TO EXISTING
PANELBOARD IN 1" NM LIQUIDTIGHT
THROUGH PENETRATION
AS BUILT
DRAWINGS
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PV03b
LAYOUT WITH
WIRING - AC
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EQUIPMENT MOUNTING - AC
EXISTING PANELBOARD
C
LEGEND:
RUN FROM INVERTER TO EXISTING
PANELBOARD
LAYOUT WIRING - ACA
EQUIPMENT MOUNTING - AC
INVERTER
B
"TYPE A" ARRAY
INVERTER A
1 CONDUIT SCHEDULE
MODULE WATTAGE 250W
TOTAL NUMBER OF STRINGS IN PARALLEL 2
NUMBER OF MODULES IN SERIES 12
TOTAL NUMBER OF INVERTERS 1
TOTAL NUMBER OF MODULES 24
TOTAL SYSTEM POWER @ STC (DC)
6kW
SYSTEM SUMMARY
TO UTILITY
3 - TYP
LEGEND:
COMPONENT
CONDUCTOR/ CONDUIT
SIGN - SEE PV 04b
#
#
#
PV MODULE ARRAY "TYPE A" - 1 INVERTER TOTAL
12 MODULES PER STRING
2 STRINGS PER INVERTER
250W MODULES
1 2 12
1 2 12
STRING #1
STRING #2
TYP- 1
EGC FROM RACKING AND MODULES
TO INVERTER GROUNDING STUD
ARRAY ON
EAST ROOF
WALL ON WEST ROOF
FACING NORTH - OUTSIDE
2b
2a2 - TYP
1 - TYP
TO
A
C C
OM
BIN
ER
L1
L2
N
G
TYP - 3
INVERTER A
1 & 3
2 2a
NO. ITEM PART NO. DESCRIPTION QTY
1 SOLAR MODULE JC250M-24/Bb RENESOLA 250W 24
2a DC DISCONNECT
SMA INTEGRAL
DC DISCONNECT
DC DISCONNECT; PART OF SMA INVERTER1
2b INVERTER
SMA SUNNYBOY
SB 6000TL-US-12
SMA 6KW - 1-PHASE INVERTER, 208V, NEMA 3R.1
3
EXISTING
PANELBOARD
AQF3301MBX
GE, 208VAC,3Ø 125A A-SERIES MLO PANELBOARD;
NAME: "L2A", FED BY SWBD "SL"
1
4 BREAKERS TBD ONE 2-POLE 40A BREAKER 1
COMPONENT SCHEDULE
ID
CONDUCTOR
TYPE AND SIZE
NUMBER OF
CONDUCTORS
NEUTRAL
SIZE
GROUND
SIZE
CONDUIT SIZE FROM TO
MAX
DISTANCE
(FT)
1
#10 AWG
PV WIRE CU
4 - #6 CU
FREE AIR , THEN ONE
1" EMT CONDUIT
MODULES
SMA
DISCONNECT
52
2*
#8 AWG
PV WIRE CU
L1,L2,N &GND#8 CU #8 CU
N/A INSIDE OF
INVERTER
SMA
DISCONNECT
INVERTER 2
3 #8 THWN-2 CU
3-WIRE
(2+N+GND)
#8 CU #8 CU
(1) 1" NM LIQUIDTIGHT
INVERTER
EXISTING
PANELBOARD
15
4
WALL ON WEST ROOF
INSIDE BUILDING
WALL ON WEST ROOF
FACING NORTH - OUTSIDE
EXISTING
PANELBOARD
3 4
*PROVIDED BY OTHERS
5 6
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PV04a
SINGLE LINE
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EQUIPMENT NOTES:
1. RED LABELS WITH WHITE LETTERS. "WARNING" SHALL BE 3/8" TALL.
ALL OTHER LETTERS SHALL BE 1/4" TALL.
INTERACTIVE POWER FLOWING
THROUGH THIS PANEL
4. LOAD CENTER (AC COMBINERS #1) PER NEC 690.17 AND 690.54
QUANTITY: 1
INVERTER A
WARNING!
BREAKER 26 & 28:
INVERTER OUTPUT CONNECTION
DO NOT RELOCATE THIS OVERCURRENT
DEVICE
5. AT EXISTING PANELBOARD PER SECTION 690.54, AND 705.12(D)(7)
WARNING!
DISCONNECT IS ENERGIZED FROM TWO
SOURCES: SOLAR SYSTEM AND UTILITY GRID
THE DISCONNECTING MEANS FOR THIS PHOTOVOLTAIC
SYSTEM IS AT THE SOLAR BREAKER LOCATED AT
PANELBOARD "L2A" ON THE OTHER SIDE OF THE WALL OF
THIS INVERTER
3 AT INVERTER PER SECTION 690.56(B) AND 690.54
QUANTITY: 1
BREAKERS 26 & 28 DISCONNECT THE PHOTOVOLTAIC
SYSTEM LOCATED ON THE ROOF OF THIS OBSERVATORY
ROOF; THE DC SOLAR POWER DISCONNECT IS LOCATED
AT INVERTER "A" ON THE OTHER SIDE OF THIS WALL -
OUTSIDE.
6. AT BREAKER PER SECTION 690.56(B)
MAX AC OUTPUT CURRENT = 25 A
NOMINAL AC VOLTAGE = 208 V
THIS PHOTOVOLTAIC SYSTEM INTERCONNECTS TO THE
ELECTRICAL GRID AT THE "L2A" EXISTING PANELBOARD.
WARNING!
ELECTRICAL SHOCK HAZARD
SOLAR PHOTOVOLTAIC COMBINING PANELBOARD
PANELBOARD CONTAINS BACKFED CIRCUIT BREAKERS
THAT MAY BE ENERGIZED IN THE OPEN POSITION
DO NOT CONNECT ADDITIONAL LOADS !
WARNING!
DC VOLTAGE IS ALWAYS PRESENT WHEN
MODULES ARE EXPOSED TO SUNLIGHT
MAXIMUM POWER-POINT CURRENT (Imp): 16.62A
MAXIMUM POWER-POINT VOLTAGE (Vmp): 361.2V
MAXIMUM SYSTEM VOLTAGE (Voc @Tmin): 497.3V
NEC MAXIMUM CURRENT (Isc x 1.25): 22.08A
WARNING
ELECTRIC SHOCK HAZARD
DO NOT TOUCH TERMINALS. TERMINALS ON
BOTH THE LINE AND LOAD SIDE MAY BE ENERGIZED
IN THE OPEN POSITION
2a LABEL PER SECTION 690.17(4), 690.53.
DC COMBINER A
TOTAL QUANTITY: 1
1 FOR INVERTER "A" .
1 TOTAL
MAX AC OUTPUT CURRENT = 25 A
NOMINAL AC VOLTAGE = 208 V
DC COMBINER A
2 FOR DC COMBINER "A".
1 TOTAL
AS BUILT
DRAWINGS
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PV04b
SIGNAGE
DETAILS
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AS BUILT
DRAWINGS
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PV05
PRODUCT
SPECIFICATIONS
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NEGATIVE
CONDUCTOR
TOCOMBINER BOX
POSITIVE
CONDUCTOR
TOCOMBINER BOX
MODULES CONNECTED IN SERIES:
MALE TO FEMALE
SEE NOTE 3
AS BUILT
DRAWINGS
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PV08
DETAILS
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NOTES:
1. READ PANEL CLAW'S POLAR BEAR III SYSTEM ASSEMBLY INSTRUCTIONS
AND PANEL CLAW'S DRAWINGS FOR THE MANUFACTURER'S
INSTRUCTIONS ON RACKING AND GROUNDING. SEE RACKING
EQUIPMENT GROUNDING LAYOUT ON PV03a.
2. GROUND LUG LOCATED IN HOLE OF BALLAST TRAY SPECIFICALLY
DESIGNATED FOR GROUNDING AND MARKED "GND".
3. MODULES SHALL BE WIRED FROM POSITIVE TO NEGATIVE IN SERIES, IN
THE ORDER DEPICTED ON PV03a, AND WITH THE APPROPRIATE WIRING
METHODS AS STATED ON NEC 690 SECTION IV.
GROUNDING
RACKING - SEE NOTE 1
A MODULE WIRING
SERIES WIRING METHOD
B
SEE NOTE 2