Greenheck Vektor Laboratory Exhaust with VGN Technology Electrical Controls Information (476072) - Manual (Page 12)

Electrical Controls Information for Factory-Supplied Variable Frequency Drive
System Diagram
VGN NOZZLE WITH MODULA
TING ACTUA
TOR(S)
VEKTOR ROOF EXHAUST F
A
N
EXHAUST DUCT
ST
A
TIC PRESSURE
TRANSDUCER BOX 1/4 INCH PRESSURE TUBING ST
A
TIC PRESSURE PROBE
BYP
ASS DAMPER ACTUA
TOR
(MODULA
TING)
(CONTROLLED BY BMS)
CONTROL WIRING
MOTOR WIRING
SYSTEM POWER WIRING COMMUNICA
TION WIRING
1/4 INCH PRESSURE TUBING
ISOLA
TION DAMPER
WITH OPEN/CLOSE ACTUA
TOR
TO BMS CONTROL DUCT PRESSURE CONTROL
VFD IN A NEMA 3R UL LISTED ENCLOSURE WITH BYP
ASS AND INTEGRA
TED CONTROLLER
(SHIPPED LOOSE; FIELD MOUNTED)
ST
A
TIC PRESSURE TRANSDUCER
AND TERMINAL BOX SHIPPED LOOSE
(INST
ALLED BY OTHERS)
SER
VICE
DISCONNECT SWITCH
DRIVE BMS COMMUNICA
TIONS
- BACNET® (ST
ANDARD)
- ANALOG SIGNAL(S) (ST
ANDARD)
- LONWORKS® (OPTIONAL)
NOTES: -
All wiring in rigid metal conduit or flexible metal conduit and liquid tight.
-
All tubing and conduit to be UV r
esistant
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
®