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Safety
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ix
terminal or compression lug. The terminals can accommodate up to two
conductors per phase.
See the PV225S 225 kW Grid-tied Photovoltaic Inverter
Planning and Installation Manual for the location of these terminals.
5. The AC power conductor wiring interfacing with the AC terminals in the
Main Inverter Enclosure are located at TB5, TB6, and TB7. These terminals
are to be tightened to a torque value of 375 in-lb (42.4 Nm). The terminals
will accept a conductor size of 350 kcmil and can accommodate up to six
conductors per phase.
See Figure 5-1 on page 5–4 for the location of these
terminals.
6. The AC power conductor wiring interfacing with the AC terminals in the
AC Interface Enclosure are located at S1-2T1, S1-4T2, and S1-6T3. These
terminals should be tightened to a torque value of 310 in-lb (35.0 Nm).
See
Figure 5-2 on page 5–4 for the location of these terminals. Also see the
cautionary note in the PV225S 225 kW Grid-tied Photovoltaic Inverter
Planning and Installation Manual regarding hardware length.
7. The AC neutral conductor from the utility is terminated in the AC Interface
Enclosure at the TB11
terminal. This terminal requires the use of a crimp-on
type ring terminal or compression-type lug and should be tightened to a
torque value of 228 in-lb (25.7 Nm).
See
Figure 5-2 on page 5–4
for the
location of these terminals.
8. The DC power conductor wiring interfacing with the DC terminals at S2-6,
K2-6T3, and TB4 are to be tightened to a torque value of 600 in-lbs
(67.8 Nm). These terminals will accept a conductor size of 600 kcmil, and
can accommodate up to four conductors per pole at S2-6 and K2-6T3 and up
to two conductors at TB4. Keep these cables together as much as possible and
ensure that both cables pass through the same knockout and conduit fittings,
thus allowing any inductive currents to cancel.
See
Figure 5-3 on page 5–5
for
the location of these terminals.
9. This product is intended to be installed as part of a permanently grounded
electrical system per the National Electric Code ANSI/NFPA 70. A copper
ground rod must be installed within three feet of the PV225S enclosure. This
is the single point earth ground for the inverter system. The single point
ground for the system is to be made at the AC ground bus bar (TB12) in the
AC Interface Enclosure. This terminal requires the use of a crimp-on type ring
terminal or compression-type lug and should be tightened to a torque value of
420 in-lb (47.5 Nm).
10. The equipment grounds on the PV225S is marked with this symbol:
11. AC overcurrent protection for the utility interconnect (Grid-tie) must be
provided by the installers as part of the PV225S installation.
CAUTION: Fire Hazard
In accordance with the National Electrical Code, ANSI/NFPA 70, connect only to a circuit
provided with 400 amperes maximum branch circuit overcurrent protection for the
PV225S.
Summary of Contents for PV225S-480-P
Page 1: ...PV225S 225 kW Grid Tied Photovoltaic Inverter PV225S 480 P Operation and Maintenance Manual...
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Page 3: ...PV225S 225 kW Grid Tied Photovoltaic Inverter Operation and Maintenance Manual...
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Page 78: ...2 38...
Page 79: ...Computer Communications with the PV225S 152607 2 39...
Page 80: ...Operation 2 40 152607...
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Page 102: ...4 14...
Page 110: ...5 8...
Page 115: ...Appendix A Schematics 152607 A 5 Figure A 1 Electrical Diagram sample...
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