Veeder-Root EMR4 - EMR4 Operating States and Modes

12
EMR
3
- Truck Installations
EMR4 Truck Installation 3-Way Safety Valve for Truck LP Gas Systems
Figure 7. Connecting 3-Way Valve To The Interconnect Box
SOLENOID VALVES
Figure 8 illustrates wiring examples when connecting DC or AC solenoid valves to the IB box.
Wire nut
Red
Red
Black
Black
White
White
Wire nut
3-Way Valve
Solenoid
Cord
Gr
ip
Nipple
J-Box
Suppression Diodes can only be
used with DC powered solenoids.
Suppressor diode
V/R Kit P/N 846000-022
Suppressor Diode Ratings:
Output Current of 1.0 Amp,
Maximum reverse voltage 420 Volts
Interconnect Box
Power-Side Terminals
J7
J8
DH1-R1-NO
DH1-R1-COM
INPUT-PWR
INPUT-PWR
DH2-R1-NO
DH2-R1-COM
INPUT-PWR
INPUT-PWR
INPUT-PWR
GND
CHASSIS-GND
CHASSIS-GND
Note: Use either INPUT-PWR terminal
to provide power to valve
Note: Use either CHASSIS-GND terminal
to provide return for valve
Note: Use DH2-R1-NO and DH2-R1-COM
if using Display Head 2 to control valve
NOTICE