Operating Power; 1: Ac Power And Earth Ground Connection - Honeywell NOTIFIER NFC-50/100 Instruction Manual

Operating Power

Door
Backbox
Left Side
2.3 Operating Power
WARNING: RISK OF EQUIPMENT DAMAGE AND PERSONAL INJURY
!
SEVERAL DIFFERENT SOURCES OF POWER CAN BE CONNECTED TO THIS PANEL. DISCONNECT ALL SOURCES
OF POWER BEFORE SERVICING. THE PANEL AND ASSOCIATED EQUIPMENT MAY BE DAMAGED BY REMOVING
AND/OR INSERTING CARDS, MODULES OR INTERCONNECTING CABLES WHILE THIS UNIT IS ENERGIZED. BE
SURE TO OBSERVE PROPER GROUNDING AND HANDLING PROCEDURES.
2.3.1 AC Power and Earth Ground Connection
Primary power source for the NFC-50/100 is 120 VAC, 60 Hz, 3.5 amps. Primary power source for the NFC-50/100E is 240 VAC, 50
Hz, 2.0 amps. Over-current protection for this circuit must comply with Article 760 of the National Electrical Code (NEC) and/or local
codes. Make certain that the AC mains circuit breaker is off before making any wiring connections between the mains and the panel.
Connect AC mains wiring from the protected premises main breaker box to TB15 of the main control board. Use 14 AWG (2.0 mm2, 1.6
mm O.D.) or heavier gauge wire with 600V insulation. No other equipment may be connected to this circuit and it may not contain any
power disconnect devices. A separate Earth Ground connection must be made to ensure proper panel operation and lightning and tran-
sient protection. Do not use conduit for the Earth Ground connection since this does not provide reliable protection. Remove the two
keps nuts from the grounding stud in the backbox. Connect the incoming earth ground wire to supplied cable #71073 with a wire nut.
Position the ring terminal end over the grounding stud. Secure with one of the keps nuts. Place the ring terminal from the other supplied
Notifier FirstCommand Series Manual — P/N LS10001-001NF-E:H 1/8/2018
Top
Door
Backbox
Bottom
Figure 2.5 NFC-50/100 Backbox Dimensions
Installation
Depth
Depth =
Right Side
25