Veeder-Root EMR4, Техническое руководство по установке

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Table of Contents
iii
Safety Information
Safety Warnings ...............................................................................................................2
Special Conditions for Safe Use .......................................................................................2
EMR4 Truck Installation
Installing The Interconnection Box (IB) .............................................................................4
Input Power – Critical Ground Connection ........................................................................4
2-Stage Solenoid Valve Connections .......................................................................8
Valve Operation With The EMR4 .............................................................................8
3-Way Safety Valve for Truck LP Gas Systems ...............................................................9
Installing The 3-way Valve........................................................................................9
Solenoid Valves......................................................................................................12
Wiring The Display Head ................................................................................................14
C&C Mode Switch ...........................................................................................................16
Installing Optional Keypad Kit - Right or Left Side ..........................................................16
IInstalling The Remote Display (Optional) ......................................................................16
Installing The Remote Pulser (Optional) .........................................................................19
Pulse Encoder Specifications .................................................................................19
EMR4 Terminal & Fueling Depot Installation
Wiring The Display Head ................................................................................................21
Installing The Interconnect Box (IB) ................................................................................22
National Electrical Code Compliance .....................................................................22
Grounding...............................................................................................................22
Wire Type for Metallic or PVC Conduit...................................................................23
Wire Length ............................................................................................................23
Mounting and Wiring the IB Unit.............................................................................23
Solenoid Valves......................................................................................................23
Power Conditioning Requirements .................................................................................26
Wire Size And/or Distance Limitations ...................................................................26
Pulse Output Limits ................................................................................................29
EMR4 – Legal Disclaimer Notice ....................................................................................29
EMR4 System Specifications
System Power .................................................................................................................30
Component Location .......................................................................................................30
Appendix A: EMR4 Safety Instructions & System Specifications
Figures
Figure 1. Example EMR4 truck Installation With 2 Display Heads And
Optional Remote Pulser
..........................................................................3
Figure 2. IB Physical Dimensions (Shown With Cover Removed) .........................6
Figure 3. EMR4 IB Box Wiring Connections ..........................................................7
Figure 4. 2-Stage Solenoid Valve ..........................................................................8
Figure 5. Connecting 3-Way Valve To Neptune Meter -
Truck LP Gas Installations
....................................................................10
Figure 6. Connecting 3-Way Valve To L.C./TCS Meter -
Truck LP Gas Installations
....................................................................11
Figure 7. Connecting 3-Way Valve To The Interconnect Box ..............................12
Figure 8. Example Wiring Connections For DC And AC Solenoid Valves ...........13
Figure 9. Display Head Cable Connections .........................................................15
Figure 10. Remote Display Assembly ....................................................................17