System diagram – Greenheck Vektor Laboratory Exhaust with VGN Technology Electrical Controls Information (476072) User 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
®