Electrical Controls Information for Factory-Supplied Variable Frequency Drive
System Diagram
VGN NOZZLE
WITH MODULATING ACTUATOR(S)
VEKTOR ROOF
EXHAUST FAN
EXHAUST DUCT
STATIC PRESSURE
TRANSDUCER BOX
1/4 INCH PRESSURE TUBING
STATIC PRESSURE PROBE
(MODULATING)
CONTROL WIRING
MOTOR WIRING
SYSTEM POWER WIRING
COMMUNICATION WIRING
ISOLATION DAMPER
TO BMS CONTROL
DUCT PRESSURE
CONTROL
VFD IN A NEMA 3R UL LISTED ENCLOSURE WITH
BYPASS AND INTEGRATED CONTROLLER
(SHIPPED LOOSE; FIELD MOUNTED)
STATIC PRESSURE TRANSDUCER
AND TERMINAL BOX SHIPPED LOOSE
(INSTALLED BY OTHERS)
SERVICE
DISCONNECT
SWITCH
DRIVE BMS COMMUNICATIONS
- BACNET® (STANDARD)
- ANALOG SIGNAL(S) (STANDARD)
- LONWORKS® (OPTIONAL)
NOTES:
- All wiring in rigid metal conduit or flexible
metal conduit and liquid tight.
- All tubing and conduit to be UV resistant
for outdoor use.
WIRING BY GFC
EQUIPMENT BY GFC
WIRING BY OTHERS
EQUIPMENT BY OTHERS
ALL GFC PROVIDED
CONTROL DEVICES
ARE 24V POWER
ROOF LINE
NOZZLE FEEDBACK
12
VGN Technology
®