page 46 579-1150 Rev M
4010ES IDNAC Fire Alarm System Installation Guide
Figure 34: RUI wiring to the host panel
Note:
1.
Wire size must be between 18 AWG (0.8231 mm
2
) and 12 AWG (3.309 mm
2
).
2. Maximum wiring distance: 2,500 feet (762 m) to device from CPU card.
3. Maximum “T” tapping length: 10,000 feet (3,048 m).
4. Maintain correct polarity on terminal connections. Do not loop wires under terminals.
5. If Class A is not used, leave loop back wires from A+ to B+ and A- to B- on RUI terminal blocks.
6. Shield wire is not required. Twisted wire is recommended for improved noise immunity.
7. Internal harness part numbers: 0734-241 (1 bay), 0734-243 (2 bay).
For more detailed field wiring information on each device, refer to its specific installation instructions manual. See Available panels and
devices, for a list of instructions manuals.
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