4
VGN Technology
®
Quick Installation Guide
Mount VGN controller box upright with connectors down on structural support within 20 feet from center of fan
plenum.
Connections:
1. Connect 5 pin cable from nozzle to factory mounted
pressure transducer box (repeat step for number of
fans installed). Mount provided adhesive cable clips
every 12 inches down fan stack and secure cable.
2. Connect 8 pin cable from pressure transducer box
to VGN control box. Repeat step for number of
fans installed and connect as labeled 1, 2, 3, 4 for
corresponding fan. Each fan is provided with (3)
10meter cables; use as required.
3. Run power wiring in conduit to VGN controller box.
• 24 VAC fan run contact
• BMS communications
• Proper incoming power
4. All wiring by others per local codes
Field Wiring
GFC Provided Cables
NOTE: Duct pressure modulation, fan speed, isolation damper and
bypass damper control and wiring is by others.
Incoming Power Options:
120V, 208V, 240V, 480V
1PH, 15 Amp Circuit
2 VGN Controller Box
8 pin cable
3
1 Pressure
Transducer Box
Power Ventilator
Accessories
File #E40001
VFD Connection:
24 VAC fan run signal from
VFD to 1FNRUN and +24V
NOTE: Repeat above steps
for fan number 2, 3, 4 if applicable.
BMS Connection:
Analog BMS Communications: (all hardwire connections)
Nozzle Feedback - connect to 1NZFB1 and COM, 1NZB2 and COM
Fan Flow - connect to 1SURAR and COM
NOTE: Repeat above steps for fan number 2, 3, 4 if applicable
Alarm - connect to ALM1 and ALMCOM
5 pin cable
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