HL Series Centrifugal Fire Pumps
Installation Instructions
Table of Contents
Introduction . . . . . . .. . . . . . . . . . . . . . . .. . . . . . .. . . . . .. . . . . .. . . . . .. . . 2
General Description . . . . . . . . . . . . . . . . .. . . . . .. . . . . . .. . . . . .. . . . . .. . 2
Operational Limits....................................................................................2
Available Pump Models ...........................................................................2
Installation Instructions...........................................................................3
Pump Lifting Points................................................................................3
Pump Mounting......................................................................................4
Pump Intake . . . . .. . . . . .. . . . . .. . . . . .. . . . . . .. . . . . .. . . . . .. . . . . . . 5
Low Pressure Discharge........................................................................5
High Pressure Discharge.......................................................................5
High Pressure Inlet Strainer . . . . .. . . . . .. . . . . .. . . . . .. . . . . . .. . . . . . 5
High Pressure Relief Valve ....................................................................5
Read through the installation Thermal Relief Valve . . . . .. . . . . .. . . . . .. . . . . .. . . . . . .. . . . . .. . . . . . 5
instructions carefully before
installing your Waterous HL
Series Fire Pump.
Piston Primers .......................................................................................6
Lubrication.............................................................................................7
Pedestal (Primer Housing) Fill and Drain...........................................7
K Series Transmission Fill and Drain . . . . .. . . . . .. . . . . .. . . . . .. . . 7
Pump Water Drains . . . . . . . . .. . . .. . . . . .. . . . . .. . . . . . .. . . . . . . . . . . 9
NOTE: Instructions subject to change without notice Tachometer Connection . . . . . . . . .. . . . . .. . . . . .. . . . . .. . . . . . .. . . . . 9
Optional Items......................................................................................10
Solenoid Valve for PIV (Priming Isolation Valve) . . . . .. . . . . .. . . . 10
RTP Foam Systems: .......................................................................11
Installed on Pump at Factory.......................................................11
Mounted Remotely from Pump....................................................11
Control Panel . . . . .. . . . . .. . . . . .. . . . . .. . . . . . .. . . . . .. . . . . .. . . 12
Final Checks...........................................................................................13
Lubrication...........................................................................................13
Testing . . . . . . . . .. . . . . .. . . .. . . . . .. . . . . . .. . . . . .. . . . . .. . . . . .. . . 13
F-1031, Section 3032 (Rev: 6/7/19)
Waterous Company, 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450-5000
www.waterousco.com