Honeywell HPFF12 Operation Manual - Page 29
HPP31076 Optional Class A (Style Z) Adaptor,
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NAC Circuit Wiring Installation 2.3.4 HPP31076 Optional Class A (Style Z) Adaptor The HPP31076 is an optional adaptor to connect four Class A (Style Z) NAC circuits. It mounts directly onto the terminal block TB4 of the Control circuit board. The adaptor kit includes two plastic standoffs to provide support. The same gauge wire must be used if two conductors are connected to the same terminal of any terminal block. NOTE: Only use batteries with a maximum height of 4 inches in applications that require this adaptor in the standard enclosure. Otherwise, there is insufficient space to connect NAC field wiring, and a separate NFPA and UL 864 rated enclosure is required. • Trouble on NAC1 will illuminate LED1 SIG1 TRBL • Trouble on NAC2 will illuminate LED2 SIG2 TRBL • Trouble on NAC3 will illuminate LED3 SIG3 TRBL • Trouble on NAC4 will illuminate LED4 SIG4 TRBL Reference Resistor 3.9K ohm is required for the Class A adaptor HPFF812-HPP31076-NACs.wmf Note: ELR is not required, but the 3.9kohm reference resistor is required. NACs 1 - 3 are wired the same as NAC4. Note: Use wire gauge from 12AWG-18AWG. Alarm Polarity Shown Figure 2.13 Four Class A (Style Z) NACs with HPP31076 Adaptor NOTE: 1. Typical ELR's for new installations can be 3.9k or 4.7k ohm. 2. The same gauge wire must be used if two conductors are connected to the same terminal of any terminal block. 3. Do not complete a continuous circuit around the screw terminal. There must be two separate wires on either side of the screw at the terminal block. "T-tapping" is absolutely NOT ALLOWED. HPFF12 NAC Expander - P/N 53576:B 11/24/2010 29