Viconics VTR7300 Application Manual - Manual (Page 16)

16
Typical Wiring of Line Voltage Components of VC7350xX Relay Packs
VC3504E
Relay Pack
Black - Hot Power
Orange - Connected to Black Hot
White - Neutral
Brown - High Speed
Blue - Medium Speed
Red - Low Speed
M
3 Speed
Applications
2 Speed
Applications
Single Speed
Applications
For 2 pipe applications use cooling valve yellow wire connection
Fan Speed Arrangement
By Configuration M
Orange - Heating Valve
Yellow - Cooling Valve
V
V
M
Orange - Electric Reheat R
For electric reheat applications where current draw is under above 10 A
use a line powered coil pilot duty relay or contactor for the heating element
in place of the heating valve
Black - Hot Power
Green - Connected to Black Hot
White - Neutral
Brown - High Speed
Blue - Medium Speed
Red - Low Speed
M
3 Speed
Applications
2 Speed
Applications
Single Speed
Applications
Fan Speed Arrangement
By Configuration M
Yellow - Cooling Valve V
M
For electric reheat applications where current draw is under 10 A wire
the resistive heater element as below
- Use the Green wire as isolated switching input
- Limits & safeties not showed & supplied with heater VC3504E
Relay Pack
Resistive Electric Element
Safeties Not Show