EX 5/7/11RT Systems
2.7.3Connections with Separate Normal and Bypass AC sources (2 Mains)
CAUTION: | This connection requires isolation Transformer Module. Call MGE |
| Technical Support for details. |
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Figure 2-14: Normal AC and Bypass AC inputs, Output Cables Installation, and Simplified Connection Diagram.
O | 1 |
OFF |
|
L3
L1
OFFO | 2 |
Bypass
3 Output Normal
4
OFF
O
66074
To Load or
Transformer Module (if applicable)
Proceed as follows:
1.Remove the cover plate under the I/O Box. Loosen the terminal blocks L1 and L3, and remove the jumper.
CAUTION: | Always connect the earth ground wire |
| first. |
2.Install Normal AC, Bypass AC and output cables as shown.
3.Reinstall the cover plate under the I/O Box with four screws.
4.Secure the I/O Box to the Power Module with three screws.
See section 2.7.2 for connecting EX RT Transformer module, if applicable.
With separate Normal and Bypass AC inputs, supplied by separate sources.
BYPASS AC
MAINS 2
| Isolation |
| Transformer |
| (PN 86211) |
MAINS 1 | LOAD |
|
NORMAL AC
2 — 16 | Installation |
