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Commissioning
4–6 975-0601-01-01 Revision B
This chapter is for use by qualified personnel and authorized service personnel only.
4. Wearing appropriate PPE, open the transformer assembly doors to access
the AC compartment.
5. Check grid and AC auxiliary voltage:
• For the Xantrex GT500 480 and Xantrex GT500 480 PG:
a) With an appropriate voltmeter, check that the grid and AC auxiliary
voltage is approximately 480 VAC nominal:
• Check for 480 VAC grid voltage between TB1-A and B, TB1-B
and C, and TB1-A and C. See Figure 1-2 on page 1–5.
• If using the option to provide external AC auxiliary power, close CB3
and CB4 and then check for approximately 480 VAC between TB6-5
and TB6-8. See Figure 3-18 on page 3–24.
b) If results are not (Nominal) 480 VAC, the AC field wiring has been
installed incorrectly and must be repaired and verified before
commissioning can proceed.
• For the Xantrex GT500 600 and Xantrex GT500 600 PG:
a) With an appropriate voltmeter, check that the grid and AC auxiliary
voltage is approximately 600 VAC nominal:
• Check for 600 VAC grid voltage between TB1-A and B, TB1-B
and C, and TB1-A and C. See Figure 1-2 on page 1–5.
• If using the option to provide external AC auxiliary power, close CB3
and CB4 and then check for approximately 600 VAC between TB6-5
and TB6-8. See Figure 3-18 on page 3–24.
b) If results are not (Nominal) 600 VAC, the AC field wiring has been
installed incorrectly and must be repaired and verified before
commissioning can proceed.
DANGER
HAZARD OF ELECTRIC SHOCK
Hazardous voltages will now be present on AC terminals TB1-A, B, and C,
terminal block TB6 (see Figure 3-18 on page 3–24), and on circuits and parts
throughout the Xantrex GT500. Do not proceed without appropriate PPE.
Failure to follow these instructions will result in death or serious injury.
DANGER
HAZARD OF ELECTRIC SHOCK
Before correcting the wiring, de-energize, lock out, and tag out all sources.
See “Lock-out and Tag-out Procedure” on page xi.
Failure to follow these instructions will result in death or serious injury.