4.1 NAC power supply specifications
The NAC power supply can provide 6 A of 24 V power in addition to the base draw of the CPU/ Power Supply cards. The current draw taken
from optional cards, IDNet Devices, Aux Power, and NACs must be subtracted from 6 A.
Important: See the 4007-9801 8-Point Zone/Relay Card Installation Instructions 579-1103, to determine the draw of the pre-installed Zone/
Relay card.
Table 5: AUTOPULSE Z-20 system current draw
Maximum AC input 2 A at 120 VAC, 50/60Hz
1 A at 240 VAC, 50/60Hz
Standby conditions Current
(battery standby 24 V)
No alarms (NACs normal). No IDNet devices connected. 145 mA
Add to above for each additional IDNet device in standby. 0.8 mA
Total current for fully loaded IDNet channel in standby. 345 mA
Alarm conditions Current
(battery alarm 24 V)
4 NACs ON: TBL Relay Activated: IDNet LED On. No IDNet devices connected. 190 mA
Add to above for each IDNet device in alarm. 1 mA
Add to above for each IDNet LED On (20 maximum IDNet devices LEDs On). 2 mA
Total current for fully loaded IDNet channel in alarm. 480 mA
4.2 NAC section overview
The NAC power supply allows connection to up to four Class A or Class B NAC circuits. Notification appliances within the AUTOPULSE Z-20
are synchronized including any attached 4009 series NAC extenders. Do not mix Wheelock and TYCO branded devices in the same system,
they will not be synchronized. The following appliances are Special Application compatible with the NAC power supply:
• Wheelock Series: AS, HS, NS, ZNS, RSS, RSSP, STR, ZRS, MT, AMT, MTWP, ET, CH, E50, E60, E70, E80, E90, S8, SA
Figure 13: NAC terminal on NAC power supply
page 16 579-1102AR Rev C
Z-20 Agent Releasing Panel Installation Manual
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