0170022-J0 Rev A
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ATS (C8)
When the unit is in the Inverter mode, this normally open relay closes
sending 48Vdc (FXM HP 650-48, 1100, 2000) or 24Vdc (FXM HP
650-24) from the external batteries to this dry contact. If the optional
Alpha Off-Line Automatic Transfer Switch (ATS) is connected, it will
cause the ATS to switch the load from line power to battery backup
power.
Figure 6:
ATS Layout
Table 7:
C7 to C8 Optically Isolated User Inputs (Continued) (Sheet 2 of 2)
Feature
Description
48Vdc from the
external batteries
Contact C8
Microprocessor
23
24
+
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