Red Jacket LPG Premier, Installation Manual, Page: 3 / 40

Table of Contents
iii
Introduction
ATEX Conditions for Safe Use: ........................................................................................1
Safety Precautions ............................................................................................................2
Basic Principle of the Red Jacket Submersible LPG Pump ..............................................3
Submerged LPG System Explanation ..............................................................................4
The Electrical Conduit .......................................................................................................5
Direct Installation ..............................................................................................................5
The Manifold .....................................................................................................................8
By-Pass ..........................................................................................................................13
Equalization Line ............................................................................................................13
System Protection ...........................................................................................................14
Potential Problems .................................................................................................14
Low-pressure/Dry-Run Protection Unit (LPG Run Box) .........................................15
Prior to Installing or Replacing LPG Pump or Motor
Electrical Service Information .................................................................................17
Marking...................................................................................................................17
Pump and Motor Weights .......................................................................................17
Installing A Red Jacket Submersible LPG Pump-Motor Unit
General ...........................................................................................................................18
System Description.................................................................................................18
LPG Pump-Motor Unit ....................................................................................................19
Fitting the Pump-Motor Unit into the Manifold or Storage Tank ......................................21
Electrical Connection ......................................................................................................21
Determining Correct Motor Rotation.......................................................................21
Three-Phase Current Unbalance............................................................................21
Typical System Schemes with Submersible LPG Pump-Motor Unit ...............................22
General...................................................................................................................22
Design and Test Pressures ....................................................................................22
Material...................................................................................................................23
Flanges...................................................................................................................23
Name Plate.............................................................................................................23
System Components ..............................................................................................23
Gas Filling .......................................................................................................................28
Gas Filling Requirements .......................................................................................28
Gas filling procedure...............................................................................................28
Servicing The Red Jacket LPG Pump-Motor Unit
Degassing a Manifold and Replacing a Red Jacket LPG Pump-Motor Unit ...................29
Prior to Starting.......................................................................................................29
Degassing Procedure .............................................................................................29
Replace the pump and restart the installation ........................................................29
Filling the manifold and pump-motor unit with liquid...............................................30
Maintenance of the Red Jacket Submersible LPG Pump-Motor Unit .............................31
Yearly Inspections ..................................................................................................31
Troubleshooting Guide ...................................................................................................32