Index

A

abbreviations and symbols iv

AC circuit breaker requirements 2–9AC grounding requirements 2–7AC output voltage ratings A–2AC wiring instructions 3–5acceptable wire sizes A–6adjustable disconnect settings A–3

C

communication between multiple inverters 3–8communications cabling 3–10

installing for multiple inverters 3–12standard CAT 5 wiring 3–10

Customer Service preparing to call WA–4

D

DC wiring instructions 3–3derating chart A–4dimensions 2–11,A–6display accuracy A–6

E

efficiency chart A–5electrical specifications A–2error messages and solutions 6–4

F

fault conditions and solutions 6–4features and options 1–3

front panel display 1–3,5–2fault messages 5–7

normal operation messages 5–3offline mode messages 5–5reading messages 5–3special messages 5–8

startup messages 5–3

G

general maintenance 6–3

ground clearance required for installation 2–4,2–12ground fault protection fuse 5–7

grounding requirements 2–7GT-View 3–12

guidelines for matching PV array size to inverter input

2–7

H

humidity limits A–6

I

information about your system form WA–4installation

grounding requirements 2–7location concerns 2–4mounting 2–13

options 2–2overview 2–10planning issues 2–2preparing for 2–9

PV array requirements 2–5routing wires 2–8

inverter

features and options 1–3installation 2–10model number WA–4purchase date WA–4purpose 1–2

serial number WA–4

L

LEDs, See status LEDs lightning protection 2–8

M

maintenance, general 6–3

maximum power point tracking, See MPPT mechanical specifications A–6messages, See front panel display

model number WA–4mounting bracket

installing 2–12

on backing support 2–15on poles or rails 2–14

mounting the inverter clearance requirements 2–12