Generac Power Systems PWRcell APKE00013, Руководство по установке

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Electrical Connections
Installation Manual for Generac PWRCell Inverter 15
Wiring Guidelines
•
The inverter shall be installed in accordance with
NEC Article 705.
•
Proper installation techniques must be employed to
restrain service loops and to separate AC, DC and
isolated circuits.
•
All conductors must be rated for at least 420 V.
•
Always use wiring methods in accordance with
National Electrical Code (ANSI/NFPA 70) or other
applicable codes.
•
Field terminals are for copper conductors only.
•
Do not use field wiring leads smaller than 18 AWG.
•
All permanently installed conductors within the unit
are sized in compliance with NEC Table
310.15(B)(16) (formerly Table 310.16).
•
Torque all terminals as specified in Table 5-4 .
Grounding Bar Wiring
•
Bond the inverter enclosure to the equipment
grounding conductor of the normal power source
power feeder.
•
The grounding bar provides central grounding for
up to 8 conductors.
•
Input and output circuits are isolated from the
enclosure.
•
The neutral conductor is not bonded to the
equipment ground terminal bar within the
enclosure.
•
The inverter and its connected PV and battery
sources are not separately derived systems.
•
DC system grounding is critical for REbus
communications. REbus grounding wires are used
as communications wires. Ensure the following
REbus devices have a low resistance wired
connection back to the inverter grounding terminal
bar:
– PV Link
– PWRcell batteries
•
Torque all terminals as specified in Table 5-5 .
Table 5-4. Terminal Toques
Wiring Terminal Torque
AC terminals 13.3 to 15.9 in-lb (1.5 to 1.8 Nm)
DC terminals 12 in-lb (1.35 Nm)
Ground terminals 4 to 6 AWG: 45 in-lb (5 Nm)
8 AWG: 40 in-lb (4.5 Nm)
10 to 14 AWG: 35 in-lb (4 Nm)
STOP terminals 1.9 to 2.2 in-lb (0.22 to 0.25 Nm)
(000642)
DANGER
Electrocution. Verify all system voltages are safe before
wiring. Disconnect all AC and DC sources of power before
touching terminals. Failure to ensure no dangerous
voltages are present on conductors and terminals before
wiring will result in death or serious injury.
(000599)
Electrocution. Turn battery disconnect OFF and
de-energize REbus before touching terminals.
Failure to do so will result in death, serious injury,
equipment and property damage.
DANGER
Table 5-5.
Grounding Bar Wiring Terminal
Spe
cifications
Wire Size (AWG) Torque
4 – 6 45 in-lb (5 Nm)
8 40 in-lb (4.5 Nm)
10 30 in-lb (4 Nm)
(000607a)
Equipment damage. Never connect REbus conductors
to ground. Connecting REbus conductors to ground
could result in equipment or property damage.
CAUTION