Nortek 2GIG GC3 Installation And Programming Manual
Also see for 2GIG GC3: User guideUser guideInstallation and programming guideUser guide
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Copyright © 2019 Nortek Security & Control LLC 25Connect the Power WiresThere are two ways to connect the wires for the power supply to the GC3 Panel:1. Terminal Block: Securely fasten a 2-conductor power wire (not supplied) to the appropriate PWR+/PWR- screwpositions on the GC3 Panel’s terminal block.2. Barrel Connector: A plug-in power supply with a barrel connector can be plugged into the DC power adapter’sbarrel jack on the GC3 Panel.IMPORTANT: When selecting a wall outlet, never connect the plug-in power supply to a switch-controlled outlet.Maximum Wire Gauge and LengthAmerican Wire Gauge(AWG)Maximum Length(feet)Maximum Length(meters)22 AWG 50 16.820 AWG 80 25.922 AWG 2-pairs(19 AWG equivalent)110 33.518 AWG 125 41.1Terminal BlockThe most common way to connect the AC power supply for the GC3 Panel is to use the system’s terminal block. Thisrequires you securely fasten 2- conductor power wire (not supplied) to the appropriate PWR+/PWR- screw terminals.GC3 Panel—Terminal BlockTo connect the power supply to the GC3 Panel:1. Locate an unswitched wall outlet for the plug-in power supply. Do NOTconnect the power supply to the outlet at this time.2. Route 2-conductor power wire from the plug-in power supply throughthe wiring cutout on the GC3 Panel’s backplate. See “Connect the PowerWires” above.WARNING!! The proper wiring sequence for the DC power supplyterminal block is always ground to ground, positive to positive, andnegative to negative. However, grounding the GC3 Panel is NOTrequired for proper operations.3. Insert the positive wire into the PWR+ terminal position. Then tightenthe terminal block’s contact screw.IMPORTANT: Do not over-tighten the terminal block’s contact screws.NOTE: Terminal 1 only provides power for the GC3 Panel when its powersupply is connected to an AC power source. |
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