enphase IQ8D-72-E-US Manuals

Manuals and User Guides for enphase IQ8D-72-E-US. We have 2 enphase IQ8D-72-E-US manuals available for free PDF download: Design Manual, Quick Install Manual

enphase IQ8D-72-E-US Design Manual (101 pages)

Commercial PV Design Guide Microinverter System

Brand: enphase | Category: Inverter | Size: 15.75 MB

Important Safety Information
3
Product Labels
3
Safety and Advisory Symbols
3
IQ8D Microinverter Safety Instructions
3
Enphase QD Cable Safety
5
Table of Contents
6
List of Figures
9
List of Tables
12
IQ8D Commercial PV System Components and Design Considerations
13
IQ8D System Components
14
Figure 1: IQ8D System
14
Table 1: IQ8D System Components
15
IQ8D System Design Considerations
16
IQ8D Microinverter
16
Module Compatibility
16
Figure 2: IQ8D Microinverter
16
Table 2: IQ8D PV Module Compatibility
16
DC Connector Intermatability
17
Figure 3: IQ8D DC Connector Intermatability
17
Table 3: DC Adapter Cables
17
Number of Microinverters Per Branch Circuit
18
Grounding Considerations
18
AC Cable and Accessories
18
Figure 4: QD Cable Connector Phase Rotation
18
Table 4: Maximum Number of Microinverters Per Branch Circuit
18
Three Phase QD Cable Specifications, Cable Types and Ordering Options
19
Table 5: QD Cable Specifications
19
Design Considerations for QD Cable Selection
20
Table 6: QD Cable Types / Ordering Options
20
Table 7: PV Module Orientations with IQ8D
20
Design Considerations for QD Accessories
21
Phase Field Wireable Connectors
21
QD Cable Clip
21
Figure 5: 3 Phase Field Wireable Connector
21
Figure 6: QD Cable Clip
21
Table 8: QD Cable Accessories
21
Sealing Caps
22
AC Wire Management at Junction Box
22
QD Cable Terminator
22
Figure 7: Sealing Cap
22
Figure 8: QD Cable Terminator
22
Design Considerations for Voltage Rise
23
Recommendations
23
IQ8D Vrise for 208VAC in QD Cable
24
Table 9: Internal QD Cable Vrise (IQ8D - 208V / Portrait Cable, QD-12-10-150)
24
Table 10: Internal QD Cable Vrise (IQ8D - 208V / Landscape Cable, QD-12-20-135)
24
Table 11: Internal QD Cable Vrise (IQ8D - 208V / Landscape Ballast Cable, QD-12-42-63)
24
Advantages of Center Feeding QD Cable AC Branch Circuit
25
Figure 9: Center Tap Connector
25
Table 12 : AC Branch Circuit Supply Recommendation
25
Installation Guidelines for Center Feeding (QD-12-42-63 Landscape Ballast PV Orientation)
26
Figure 11: Center Feeding of AC Branch Circuit for Installations with QD-12-42-63 (15.1 Ft)
26
Center Tapping Adapter Cable
27
Figure 12: Voltage Rise for QD-12-42-63 with End Feeding of AC Branch Circuit
27
Figure 13: Voltage Rise for QD-12-42-63 with Center Feeding of AC Branch Circuit
27
Figure 14: Center Tapping Adapter Cable
27
IQ8D Commercial Gateway
28
Figure 15: IQ8D Commercial Gateway
28
Table 13: IQ8D Commercial Gateway
28
Wiring IQ8D Commercial Gateway ENV-IQ8D-AM3-3P for Three-Phase Applications
29
Figure 16: IQ8D Commercial Gateway Terminal Block
29
Design Considerations for Reliable PLC Communications
30
Design Considerations for Sites with Power Export Limit Requirements
30
Multiple Gateways at Single Site
32
Internet Connection Options
33
Installing IQ8D Commercial Gateway in an Outdoor Enclosure
33
Interconnecting IQ8D Microinverters to Other Voltages
34
Transformer Specification (Table of Various Voltage Configurations)
34
Figure 17: Transformer
34
Table 14: Transformer Specifications Various Voltage Configuration
34
Power Line Filters
35
Filter (SKU: QD-LCF-400-3P)
35
Figure 18: 400A Line Communication Filter
35
Figure 19: 400A Line Communication Filter Installation Recommendation
35
Surge Suppression in Commercial Systems
36
IQ8D System Layout Design
37
PV Array Layout Design
37
Information Required for Array Design
38
Design Considerations for PV Array Layout
38
Optimized Site Layout
38
Figure 20: Optimized Site Layout
38
AC Cabling Layout
39
Figure 21: QD Cabling Layout
39
PV Load Center Configuration and Location
40
Key Components of PV Load Center
40
Location of PV Load Center
40
Consumption Cts
41
Solar Design Software
41
IQ8D Microinverter Installation
42
Parts and Tools Required
43
Enphase BOM
43
Other Items
43
Table 15: QD Cable Types/Ordering Options
43
IQ8D Microinverter Installation
44
Figure 22: IQ8D Microinverter Installation
44
Figure 23: QD Cable Clip
45
Figure 24_2: Vertical Mount of IQ8D Microinverter
45
Figure 26: Frame Mount of IQ8D Microinverter
46
Figure 27: Sealing Cap
46
Figure 28: Center Feeding of AC Branch Circuit
47
Table 16: AC Branch Circuit Supply Recommendation
47
Figure 29: QD Terminator
48
Figure 30: Installation Map
49
Figure 31: DC Connection of Microinverter
50
Table 17: LED Indication for IQ8D Microinverter
51
IQ8D System Startup and Commissioning
52
Startup & Commissioning Using Installer Toolkit
53
Figure 32: QR Code
53
Figure 33: Installer Tool Kit Settings
53
System Activation Using Enlighten Manager
54
Figure 34: System Activation Using Enlighten Manager
54
Array Builder Using Enlighten Manager
55
Figure 35: Array Builder Using Enlighten Manager
55
IQ8D System Commissioning Process
56
Figure 36: ITK Systems Tab
56
Figure 37: ITK Systems Details
56
Figure 38: ITK Scan
57
Figure 39: ITK Array Builder Microinverter
57
Figure 40: ITK Phase Connection
58
Figure 43: Meter Configuration
61
Figure 44: Identifying Cross Talking Microinverters in the Array
61
Figure 45: Powerline Communication Analysis FFT Scan
61
IQ8D System Monitoring and Maintenance
62
System Monitoring Using Enlighten Manager
63
System Details
63
Figure 46: System Summary Details
63
Figure 47: System Energy Data
64
Figure 48: Array Energy Data
64
Figure 49: Microinverter Energy Data
64
Figure 50: Phase Wise Energy Data
65
Figure 51: Energy & Power Data Comparison
65
Figure 52: Telemetry Data
65
Array Details
66
Figure 53: Array Builder
66
Figure 54: Array Level Phase Connection Details
66
Figure 55: Microinverter Array View
67
Figure 56: PV Module Details & Signal Strength
67
Figure 57: Microinverter Level Data
68
Figure 58: Array Information Tilt, Azimuth
68
Troubleshooting Using Enlighten Manager and ITK
69
Identifying Cross Talking Microinverters in the Array
69
Figure 59: Identifying Cross Talking Microinverters During Commissioning
69
Figure 60: Identifying Cross Talking Micros Post Commissioning
69
Powerline Communication Analysis - FFT Scan
70
Initiate RMA in Enlighten Manager
70
Figure 61: Powerline Communication Analysis FFT Scan
70
Figure 62: Initiate RMA from Enlighten Manager
70
Troubleshooting of IQ8D Microinverter
71
Status LED Indications and Error Reporting
71
LED Operation
71
DC Resistance Low - Power off Condition
72
Figure 64: ITK to Clear DC Resistance Low Condition
73
Troubleshoot an Inoperable Microinverter
74
Disconnect a Microinverter
75
Install a Replacement Microinverter
75
Appendix
77
Ampacity Calculations for IQ8D Microinverter System
78
Branch Circuit Current Calculations
78
Figure 65: QD Cable Rotation for IQ8D AC Branch Circuit
78
Phase Balancing in IQ8D Installations Using the Three Phase QD Cable Phase Rotation
81
AC QD Cable for IQ8D Microinverter
81
Figure 66: IQ8D Microinverter
81
Table 19: QD Cable Types / Ordering Options
81
Phase Rotation for QD Cable
82
Cable Configurations for QD-12-10-150 (4.6 Ft QD Cable SKU) and QD-12-20-135 (7.9 Ft QD Cable SKU)
82
Cable Configurations for QD-12-42-63 (15.1 Ft QD Cable SKU)
82
Figure 67: QD Cable Connector and Typical Phase Rotation Arrangement
82
Figure 68: QD Cable Configuration for QD-12-10-150 (4.6 Ft) and QD-12-20-135 (7.9 Ft)
82
Phase Balancing for IQ8D Microinverter System
83
Figure 69: QD Cable Configuration for QD-12-42-63 (15.1 Ft)
83
Figure 70: ITK Phase Connection
84
Figure 71: Phase Balancing Using QD Cable Phase Rotation
86
Summary
92
IQ8D-72-E-US Microinverter Specifications
93
Table 20: IQ8D-72-E-US Microinverter Specifications
94
QD Cable Specifications
95
Table 21: QD Cable Specifications
95
Enphase IQ8D Commercial Gateway Specifications
96
Table 22: Enphase IQ8D Commercial Gateway Specifications
97
Photovoltaic Hazard Control System
98
Table 23: Photovoltaic Hazard Control System
99

enphase IQ8D-72-E-US Quick Install Manual (6 pages)

Microinverters

Brand: enphase | Category: Inverter | Size: 1.84 MB

Installation
2
Terminate the Unused End of the Cable
3
Create an Installation Map
3
PV Rapid Shutdown Equipment (PVRSE)
4
Microinverter Safety
5

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