Greenheck Vektor Laboratory Exhaust with VGN Technology Electrical Controls Information (476072) - Manual (Page 19)

Wiring Diagram
- +
0
- +
TRANSDUCER 2
1 2
3
5
0
- +
TRANSDUCER 1
1 2
5
3
1 2
3
5
G GO B1 GND C1 NO1
ID2 GND Y2 Y4 GND
+24V
ISOPWR FNRUN
ISOLATION DAMPER
NOZZLE (REQUIRED)
BMS COMMUNICATIONS (STD)
- ANALOG SIGNAL(S)
- ON/OFF CONTACT(S)
REQUIRED WIRING:
-DIGITAL ON/OFF (HARDWIRE)
-NOZZLE FEEDBACK (HARDWIRE)
-ALARM (HARDWIRE)
-FAN FLOW (HARDWIRE)
-ISOLATION DAMPER CONTACT (HARDWIRE)
BMS SYSTEM
SUPPLIED BY OTHERS
DUCT PRESSURE
SIGNAL
COMPONENT BY
OTHERS
BYPASS DAMPER
COMPONENT BY
OTHERS
ACTUATOR 4
ADDITIONAL NOZZLE ACTUATORS
QTY. DEPENDENT ON UNIT SIZE
ACTUATOR 3,4,5
TRANSDUCER
TERMINAL
ENCLOSURE
- AT THE FAN
ACTUATOR 2
ACTUATOR 1
NOZZLE POSITION
FEEDBACK TO BMS
FAN FLOW (LOW&HIGH)
TO FAN CONNECTION PLATE
FACTORY WIRING
FIELD WIRING
+24V COM COM COM NOZVDC SURAIR ISOPWR GND GND NOZFB1 NOZFB2 +24V +24V
INCOMING POWER
120/1PH. 20 AMP CIRCUIT
ISOLATION DAMPER
FAN RUN
CONTACT(S)
FROM VFD
BY OTHERS
ALM CFM1 COM NOZFB1 NOZFB2
MEASURE
2-10VDC
MEASURE
0-10VDC
NOZZLE CONTROLLER
NOZZLE
CONTROLLER
+24V SURAIR FNRUN NOZVDC CFM1 COM GND GND GND GND +24V +24V +24V +24V COM COM COM COM ALM
TRANSFORMERS
L1 L1 N N GND GND
Electrical Controls Information for Customer-Supplied Variable Frequency Drive
19 VGN Technology
®