
15.0 EVENT MESSAGE HELP TEXT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
16.0 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144
16.1 Proper Tightening of Nuts and Bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
16.2 Testing the STS2/PDU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
16.3 Changing the Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
17.0 CUSTOMER SETTINGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
17.1 Programmable Relay Board Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
17.2 Input Contact Isolator Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
FIGURES
Figure 1 Recommended derating for high altitude operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2 Maximum ambient temperature for full load operation at higher altitudes . . . . . . . . . . . . . . . . . . 6 Figure 3 Typical STS2/PDU, one-line diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 4 Typical STS2/PDU, one-line diagram, with dual static switch output circuit breakers
(not available on 250A units) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 5 Typical STS2/PDU, one-line diagram, with inline distribution, dual static switch output circuit breakers10
Figure 6 Typical STS2/PDU, one-line diagram, with I-Line distribution, dual static switch output circuit breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 7 Outline drawing, 250A STS2/PDU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 8 Outline drawing, 250A STS2/PDU with right side I-Line distribution . . . . . . . . . . . . . . . . . . . . . 18 Figure 9 Outline drawing, 250A STS2/PDU with right side inline distribution . . . . . . . . . . . . . . . . . . . . . 19 Figure 10 Outline drawing, 250A STS2/PDU with left side I-Line distribution . . . . . . . . . . . . . . . . . . . . . . 20 Figure 11 Outline drawing, 250A STS2/PDU with left side Inline distribution . . . . . . . . . . . . . . . . . . . . . . 21 Figure 12 Outline drawing,400-600A STS2/PDU with right side inline distribution . . . . . . . . . . . . . . . . . . 22 Figure 13 Outline drawing, 400-600A STS2/PDU with right side output breaker or I-Line distribution . . 23 Figure 14 Outline drawing, 400-600A STS2/PDU with left side inline distribution . . . . . . . . . . . . . . . . . . . 24 Figure 15 Outline drawing, 400-600A STS2/PDU with left side output breaker or I-Line distribution . . . 25 Figure 16 Outline drawing, 800A STS2/PDU with right side output breaker or I-Line distribution. . . . . . 26 Figure 17 Outline drawing, 800A STS2/PDU with right side inline distribution . . . . . . . . . . . . . . . . . . . . . 27 Figure 18 Outline drawing, 800A STS2/PDU with left side output breaker or I-Line distribution . . . . . . . 28 Figure 19 Outline drawing, 800A STS2/PDU with left side inline distribution. . . . . . . . . . . . . . . . . . . . . . . 29 Figure 20 Outline drawing, 250A STS2/PDU with key lockout switch option . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 21 Outline drawing, 400-600A STS2/PDU, inline distribution, right side with key lockout
switch option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 22 Outline drawing, 800A STS2/PDU, inline distribution, right side with key lockout switch option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 23 Electrical field connections, 250A STS2/PDU input/output with CB8. . . . . . . . . . . . . . . . . . . . . . 33 Figure 24 Electrical field connections, 250A STS2/PDU input with CB3. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Figure 25 Electrical field connections, 250A STS2/PDU input with CB3 & CB3A . . . . . . . . . . . . . . . . . . . . 35 Figure 26 Electrical field connections, 400-600A STS2/PDU input with CB3 . . . . . . . . . . . . . . . . . . . . . . . . 36 Figure 27 Electrical field connections, 400-600A STS2/PDU input with CB3 and CB3A . . . . . . . . . . . . . . . 37 Figure 28 Electrical field connections, 800A STS2/PDU input with CB3. . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Figure 29 Electrical field connections, 800A STS2/PDU input with CB3 and CB3A. . . . . . . . . . . . . . . . . . . 39 Figure 30 Electrical field connections, 250A STS2/PDU output with inline panelboards. . . . . . . . . . . . . . . 40 Figure 31 Electrical field connections, 400-800A STS2/PDU output with inline panelboards . . . . . . . . . . . 41 Figure 32 Electrical field connections, STS2/PDU output with I-Line panelboard . . . . . . . . . . . . . . . . . . . . 42 Figure 33 Electrical field connections, 400-600A STS2/PDU with right side output breaker. . . . . . . . . . . . 43 Figure 34 Electrical field connections, 400-600A STS2/PDU with left side output breaker . . . . . . . . . . . . . 44 Figure 35 Electrical field connections, 800A STS2/PDU with right side output breaker . . . . . . . . . . . . . . . 45
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