Inverter Ac Output Wire Connections - Delta M Series Operation And Installation Manual

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1.
Verify that the exposed wires are at least 6 inches in length to provide adequate strain
relief and wire end strip length required.
2.
Connect the positive lead from each PV array string to PV_Positive Terminals (A / C) in the
wiring box compartment.
3.
Connect the negative lead from each PV array string to PV_Negnative Terminals (B / D) in
the wiring box compartment.
4.
Verify inverter to wiring box compartment connections DC wiring board assembly:
• "RED" wire goes to "PV_Positive" Terminal
• "BLACK" wire goes to "PV_Negative" Terminal
Note: In M series inverters, if the PV array contains more than 3 PV module strings then
an external PV combiner is recommended.
4.8.5

Inverter AC output wire connections

WARNING!
AVERTISSEMENT!
34
Read all of the instructions, cautions, and warnings for the
Delta M series Inverter, associated PV array documentation.
Lisez toutes les instructions, rubriques Prudence et Avertisse
ment de l'onduleur Delta M series , ainsi que la documentation
sur le panneau photovoltaïque associé.
Installation and commissioning must be performed by a
licensed electrician in accordance with local, state, and
National Electrical Code ANSI/NFPA 70 requirements.
L'installation et la mise en service doivent être effectuées par
un électricien autorisé conformément aux exigences locales et
nationales ainsi qu'au National Electrical Code ANSI/NFPA 70.
Ensure no live voltages are present on PV input and AC
output circuits, and verify that the DC disconnect, AC
disconnect, and dedicated AC branch circuit breaker are in
the "OFF" position, before inverter installation.
Assurez-vous qu'aucune tension directe n'est présente sur les
circuits photovoltaïques d'entrée et de sortie du CA,
vérifiez que le CC et le CA sont déconnectés, et que le
disjoncteur de dérivation dédié est sur position "OFF", avant
de procéder à l'installation de l'onduleur.
Verify that dedicated 2-pole 240 Vac / 208 Vac circuit
breaker in the building electrical service panel is turned-off.
Vérifiez que le disjoncteur à 2 circuits de 240 Vca / 208 Vca du
tableau d'alimentation électrique du bâtiment est mis hors
tension.
A

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