Waterous VPO Priming System Installation and operating instructions

Waterous Company • 125 Hardman Avenue South • South Saint Paul, MN 55075 • (651) 450-5000

www.waterousco.com

VPO Priming System

Installation, Operation, and Maintenance

Form Number: F-2996 Issue Date: Mar 30, 2023

Table of Contents

Safety 4

Safety Precautions 4

Introduction 5

Using this Document 5

Viewing the Document Electronically 5

Printing the Document 5

Additional Documentation 5

Symbols 5

Product Overview 6

Congurations 6

Individually Installed Components 7

Panel Switch with Single Priming Pump

Overview 8

Auto-Prime Switch 8

Standard Push Button Switch 8

Oversized Push Button Switch 8

Multiple Priming Valve System Overview 9

Dual Priming Pump System Overview 10

Auto-Prime Switch 12

Standard Push Button Switch 14

Oversize Push Button Switch 15

Priming Pump—12V 16

Priming Pump—24V 17

Pressure Switch 18

Priming Valve Solenoid 19

Priming Valve 20

Priming Pump Cable 21

Priming Valve Solenoid Extension Cable 22

Extension Cable—Optional 23

Pressure Switch Extension Cable 24

Installation 25

Installation Overview 25

Determining Cable and Wire Routing 25

Preparing for the Installation 25

Optional Equipment 25

Hose and Tubing Requirements 25

Tubing 25

Hose 25

Determining the Installation Requirements 26

Installation Requirements 26

Auto-Prime Switch Cutout Dimensions 27

Standard Push Button Switch Dimensions 28

Oversized Push Button Switch Dimensions 29

Priming Pump Dimensions 30

Panel Cutout and Mounting Holes 31

Positioning the Switch 32

Mounting the Enclosure 33

Mounting the Panel 34

Installing the Standard Push Button Switch 35

Installing the Oversized Push Button Switch 36

Installing the Priming Pump 37

Installing the Priming Valve 38

Installing the Pressure Switch 39

Installing the Priming Valve Solenoid 40

Connecting to Apparatus Power 41

Priming Pump—12V 41

Priming Pump—24V 42

Dual Priming Pumps—12V 43

Dual Priming Pumps—24V 44

Connecting the Extension Cable 45

Priming Pump—12V 45

Priming Pump—24V 46

Dual Priming Pumps—12V 47

Dual Priming Pumps—24V 48

Connecting the Priming Components 49

Priming Pump and Priming Valve 49

Multiple Priming Valves 50

Dual Priming Pumps 51

Auto-Prime Push Button Switch 52

Standard Push Button Switch 53

Oversized Push Button Switch 54

Multiple Priming Valves 55

Multiple Priming Pumps 56

Priming the Pump—Auto-Prime Switch 57

Operation 58

Priming the Pump—Manual-Prime Switch 58

Maintenance 59

Maintenance Schedule 59

Vacuum Testing 59

Priming Valve 59

Priming Tank 59

Priming Pump 59

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     

Safety Precautions

• Read and understand all the associated documentation before you begin the

installation.

• Read and understand all the notices and safety precautions.

• Be aware that these instructions are only guidelines and are not meant to be

definitive. Contact Waterous when you have questions about installing,

operating, or maintaining the equipment.

• Do not install the equipment if you are not familiar with the tools and skills

needed to safely perform the required procedures—proper installation is the

responsibility of the purchaser.

• Do not operate the equipment when safety guards are removed.

• Do not modify the equipment.

• Regularly check for leaks, worn, or deteriorated parts.

NOTICE

Before Operation

• Read and understand all

the instructions provided.

• Check all fluid levels

and replenish if necessary.

• Remove all shipping plugs

and install the operation

plugs or caps.

NOTICE

• Do not prime the pump for

more than 1 minute.

• Operating the priming pump

more than 1 minute can

damage the motor or the

motor solenoid.

Priming Pump Damage

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Use this document to install and operate your Waterous equipment. Understand

the following conditions before continuing with the document:

• The instructions may refer to options or equipment that you may not have

purchased with your system.

• The illustrations in this document are intended to convey concepts. Do not

use the illustrations to determine physical attributes, placement, or

proportion.

• Understand that your application may require additional steps, that are not

described in the illustrations or instructions, to perform the installation.

• Any equipment described in this document is intended to be installed by a

person or persons with the necessary skills and knowledge to perform the

installation.

• Any equipment described in this document is intended to be operated by a

person or persons with the basic knowledge of operating similar equipment.

• Do not install the equipment if you are not familiar with the tools and skills

needed to safely perform required procedures—proper installation is the

responsibility of the purchaser.

This document is divided into the following sections:



This section describes general precautions and alert symbols that are in this

document.



This section is an overview of the document.



This section describes the components that make-up the system.



This section describes the installation and initial setup procedures.



This section describes the equipment operation.



This section describes maintaining the equipment.

Using this Document

Use the guidelines below when viewing this document.

Viewing the Document Electronically

• View this document in landscape orientation.

• Use the table of contents to navigate directly to that section.

• Text with this appearance is linked to a reference.

Printing the Document

• The document is viewed the best when printed in color.

• The print on both sides and flip on long edge features can provide the

best results.

• Use a 3-ring binder to store the document.

Additional Documentation

Additional documentation is available through the MyWaterous login at

Waterousco.com. Use your serial number to gain access to the service parts

list associated with your system. Dimensional drawings are available through

the Waterous Service department.

Symbols

Symbols are used to illustrate additional tools or operations that are required to

complete the instructions.

Drill—This symbol tells you to drill the mounting holes in the

apparatus.

Jig saw—This symbol tells you to make a cutout in the apparatus.

Torque to specification—This symbol tells you to torque the

hardware to the specified value.

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

When ordered together with the pump and transmission, depending on the configuration, the priming pump (VPO), priming valve (VAP), hose, and panel cable are

installed at the factory. Otherwise, components are shipped loose and installed individually.

Factory Mounted Priming System Individually Installed Components

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Individually Installed Components

Individually installed components in your application may include the following items.

Auto-Prime Switch Standard Push Button Switch Oversized Push Button Switch Switch Cable—70 inches Panel Plate

Priming Pump Outlet Muffler Priming Hose Kit—48 inches Additional Fittings Dual Priming Pump Jumper

Wire—18 inches

Safe-Prime™ Lubrication

System

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Panel Switch with Single Priming Pump Overview

There are 3 panel switch options available that operate the priming system.

Auto-Prime Switch

Auto-prime with integrated push-to-prime operation.

Standard Push Button Switch

Standard push-to-prime switch.

Oversized Push Button Switch

Larger button push-to-prime switch preferred by

some operators.

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Multiple Priming Valve System Overview

Your application may include up to 6 priming valves, each operated by a dedicated switch and solenoid. This allows the system to prime specific locations in the

apparatus plumbing.