Page 21 579-1102 Rev H
4007ES and 4007ES Hybrid Fire Alarm Systems Installation Manual
5.6 IDNAC Class B wiring
To connect the power supply to appliances using Class B wiring:
1. Route the wire from the + and the - outputs on the IDNAC terminal block (TB2) to the appropriate inputs on a peripheral notification appliance.
2. Route the wire from the first appliance to the next. T- tapping is permitted. Repeat this for each appliance.
3. Repeat steps 1 and 2 for each IDNAC output you want to use.
Fig 18: Class B wiring
NOTE:
1. Notification appliances are rated using an individual nameplate label. Maintain the correct polarity on terminal connections.
2. Each IDNAC + and - terminal is rated for 2 identical wires. This allows up to 4 Class B T-TAP circuits directly from each IDNAC terminal block, see
IDNAC Class B wiring on page 21.
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