CM Series Fire Pumps
Installation
Form Number: F-3003 Issue Date: Jan 5, 2023
Revision Date: Oct 23, 2023
Waterous Company • 125 Hardman Avenue South • South Saint Paul, MN 55075 • (651) 450-5000
www.waterousco.com
Table of Contents
Safety 4
Safety Precautions 4
Introduction 7
Using this Document 7
Viewing the Document Electronically 7
Printing the Document 7
Additional Documentation 7
Symbols 7
Product Overview 8
CM Series Pumps—Drive Options 8
CM Series Pumps—Intake and Discharge Flanges 9
CMD/CMUD 10
CMK/CMUK 11
CMPA/CMUPA 12
CMC22/CMUC22 13
CMC22/CMUC22 (Front-Mounted) 14
Transfer Valve Actuator Control Panel—Manual Version 16
Manual Transfer Valve Actuator 17
Encoder Extension Cable 18
Transfer Valve Actuator Control Panel—Electric Version 19
Electric Transfer Valve Actuator 20
Power Relay Module 21
Motor Extension Cable 22
Transfer Valve Actuator Manual Override—Optional 23
Installation 24
Installation Overview 24
Preparing for the Installation 24
Modifying the Equipment 24
Determining the Pump Location 24
Determining Cable and Wire Routing 24
Optional Equipment 24
CMD/CMUD—Installing the Pump 25
CMK/CMUK—Installing the Pump 26
CMPA/CMUPA—Installing the Pump 27
CMC22/CMUC22—Installing the Pump 28
CMC22/CMUC22 (Front-Mounted)—Installing the Pump 29
Mounting the Angle Brackets 30
CMC22/CMUC22 (Front-Mounted) 31
Optional Spring Conguration 32
Mounting the Pump 33
3-Point Mounting Method 33
3-Point Mounting Method—CMC22/CMUC22 (Front-Mounted) 34
4-Point Mounting Method—Optional Spring Conguration 35
Installing the Pump Drain Lines—Pump Body 36
Installing the Transmission Drain Lines—CMK 37
Installing the Transmission Drain Lines—CMUK 38
Installing the Transmission Drain Lines—CMPA/CMUPA 39
Installing the Transmission Drain Lines—CMC22/CMUC22 40
Installing the Transfer Valve Actuator—Manual Version 42
Mounting the Control Panel 42
Installing the Handle 43
Installing the Control Rod 44
Connecting the Components 45
Installing the Transfer Valve Actuator —Electric Version 46
Mounting the Control Panel 46
Mounting the Power Relay Module 47
Connecting the Components 48
Installing the Transfer Valve Actuator —Manual Override 49
Mounting the Control Panel 49
Installing the Crank Handle 50
Installing the Control Rod 51
CMCGV/CMUCGV—Building the Isolation Valve Controls 52
Installing the Anodes and Intake Screens 53
Tachometer Connection 54
Lubrication 54
Transmission Temperature Specications 54
Testing After Installation 54
4 | 56
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 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 and worn or deteriorated parts.
NOTICE
• Modifying the equipment
can damage components
and void your warranty.
• Do not modify the system
or any of its components.
Modification
NOTICE
Before Operation
• Read and understand all the
instructions provided.
• Remove all shipping plugs and
install the operation plugs or
caps.
• Check all fluid levels and
replenish if necessary.
NOTICE
• Premature component
failure occurs when
operating beyond system
specifications.
• Do not operate the system
beyond specifications.
Premature Failure
5 | 56
NOTICE
• Do not allow fluid in the
lines to freeze.
• Remove all freezable fluid
from the lines before
storing the apparatus.
Freeze Damage
• Do not touch the surface
during operation—allow
it to cool after operating.
• Hot surfaces can burn you.
Hot Surface
• Current can cause
serious injury or death.
High Current
• Disconnect power before
servicing the electronic
components.
• Drain the pump after use
and before servicing.
• Liquid ejected at high
pressure can cause
serious injury.
High Pressure
6 | 56
• Do not operate beyond
recommended pressure.
• Liquid ejected at high
pressure can cause
serious injury.
High Pressure
• Purge all pressure before
servicing.
• Liquid ejected at high
pressure can cause
serious injury.
High Pressure
• Discharge ejected at high
pressure can cause serious
injury and damage.
High Pressure
• Direct discharge away from
people and equipment.
• Rotating parts can cause
severe injury or death.
Moving Parts
• Do not enter or reach into
the compartment when
equipment is operating.
7 | 56
Use this document to install 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.
• The 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.
• The equipment described in this document is intended to be operated by a
person or persons with the basic knowledge of operating similar equipment.
• The information in this document is subject to change without notice.
This document is divided into the following sections:
This section describes 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 and the
various system configurations.
This section describes the installation and initial setup procedures.
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.
Discard—This symbol tells you to discard or recycle the part in
accordance with local regulations.
Drill—This symbol tells you to drill holes in the apparatus.
Lubrication—This symbol tells you to apply the appropriate
lubricant to the part.
8 | 56
CM Series Pumps—Drive Options
CM Series pumps are midship-mounted centrifugal pumps with multiple impellers. Depending on the model, pump capacity can range from 500 to 2,250 GPM
(1,900 to 8,550 LPM). CM and CMU pumps are available with direct drive or one of the following transmissions: C22 (rear- or front-mounted), K, or PA (rear-
mounted only). Direct drive applications are available with clockwise or counterclockwise rotation.
Clockwise Rotation Counterclockwise Rotation
Direct Drive Transmission (C22)
9 | 56
CM Series Pumps—Intake and Discharge Flanges
CM Series pumps are available with angle-compensated or non-angle-compensated front and side discharge flanges—pump without angle compensation shown
below. Pumps with angle compensation feature a front discharge flange angled at 4° and side discharge flanges with holes machined at a 4° rotation. This option
ensures that the discharges align with the operator panel after installation.
FeatureFeature DescriptionDescription
1Center discharge flange Water exits the pump through this discharge. In applications where discharge plumbing is not needed, a cover is available.
2Side discharge flange Water exits the pump through the side discharges. Optional discharge fittings and plumbing are available to connect to the
discharge flanges.
3Front discharge flange Water exits the pump through this discharge. In applications where discharge plumbing is not needed, a cover is available.
4 Intake flange Water enters the pump through the intakes. Optional intake fittings are available to connect to the intake flanges.
5Tank-to-pump flange This is where the tank-to-pump valve or fitting is mounted on the pump.
6Priming valve mounting pad This is where the priming valve is mounted on the pump. In applications without a priming valve, a cover is available.
4
4
3
2
1
6 2
5
10 | 56
CMD/CMUD
FeatureFeature DescriptionDescription
1 Body assembly The body assembly consists of the volute body and volute cover.
2 Intake adapter This connects the pump to the water source.
3 Intake mounting pad This is where the installer-supplied angle bracket is attached to the pump.
4 Impeller shaft This connects the pump to the driveline.
5Outboard bearing housing This supports the impeller shaft assembly.
1
2
2
3
5
4
11 | 56
CMK/CMUK
FeatureFeature DescriptionDescription
1 Body assembly The body assembly consists of the volute body and volute cover.
2 Intake adapter This connects the pump to the water source.
3 Intake mounting pad This is where the installer-supplied angle bracket is attached to the pump.
4Transmission This increases the speed of the pump.
5Drive shaft This connects the pump to the driveline.
2
2
1
4
5
3
12 | 56
CMPA/CMUPA
FeatureFeature DescriptionDescription
1 Body assembly The body assembly consists of the volute body and volute cover.
2 Intake adapter This connects the pump to the water source.
3 Intake mounting pad This is where the installer-supplied angle bracket is attached to the pump.
4Transmission This increases the speed of the pump.
5Drive shaft This connects the pump to the driveline.
2
2
1
4
3
5
13 | 56
CMC22/CMUC22
FeatureFeature DescriptionDescription
1 Body assembly The body assembly consists of the volute body and volute cover.
2 Intake adapter This connects the pump to the water source.
3 Intake mounting pad This is where the installer-supplied angle bracket is attached to the pump.
4Transmission This increases the speed of the pump and can transfer incoming power to either the pump or driveline. C22 transmissions
are available with both an input and output shaft or the input shaft only—input and output option shown.
5Cooler plate—optional This is part of the optional internal oil cooler. Water from the pump is circulated through the cooler plate to cool the oil.
6Drive shaft This connects the pump to the driveline.
2
2
1
4
5
3
6
6
14 | 56
CMC22/CMUC22 (Front-Mounted)
FeatureFeature DescriptionDescription
1 Body assembly The body assembly consists of the volute body and volute cover.
2 Intake adapter This connects the pump to the water source.
3 Intake mounting pad This is where the installer-supplied angle bracket is attached to the pump.
4Front support mounting hole This is where the installer-supplied front support bracket is attached to the pump.
5Transmission This increases the speed of the pump and can transfer incoming power to either the pump or driveline. C22 transmissions
are available with both an input and output shaft or the input shaft only—input and output option shown.
6Transmission spacer This is placed between the transmission body and cap to create space for different drops and gear ratios—C drop with
2.27 ratio shown.
7Drive shaft This connects the pump to the driveline.
1
2
6
5
2
4
7
3
7
Notes
16 | 56
Transfer Valve Actuator Control Panel—Manual Version
FeatureFeature DescriptionDescription
1Mounting holes These are used to mount the actuator control panel to the apparatus.
2Handle This handle moves the valve into the pressure or volume position.
3Connector This connects to the extension cable that goes between the control panel and encoder—DT06-4S.
4Bare lead—black This connects to ground.
5 Bare lead—red This connects to power.
4 53
1
2
17 | 56
Manual Transfer Valve Actuator
FeatureFeature DescriptionDescription
1Connector This connects to the extension cable that goes between the control panel and encoder—DT04-4P.
2Encoder This monitors the position of the actuator and sends it to the control panel.
3 Gear case shaft This connects to the control rod that goes between the control panel and actuator. A U-joint is used to connect the shaft to
the control rod.
4 Actuator housing This houses the actuator's mechanical components.
5 Top mounting bracket This is used to mount the actuator on the top of the pump.
6 Bottom mounting bracket This is used to mount the actuator on the bottom of the pump.
11
4
5
6
2 2
4
3
18 | 56
Encoder Extension Cable
FeatureFeature DescriptionDescription
1Connector This connects to the control panel —DT04-4P.
2Cable The length of this cable is 120 inches (3,048 mm).
3Connector This connects to the encoder—DT06-4S.
1
3
2
19 | 56
Transfer Valve Actuator Control Panel—Electric Version
TRANSFER VALVE
PRESSURE
VOLUME
FeatureFeature DescriptionDescription
1Mounting holes These are used to mount the actuator control panel to the apparatus.
2 button This button moves the valve into the pressure position.
3 button This button moves the valve into the volume position.
4Connector This connects to the extension cable that goes between the control panel and encoder—DT06-4S.
5Bare lead—black This connects to ground.
6 Bare lead—red This connects to power.
7Connector This connects to the power relay module—DT06-4S.
45 6 7
1
2
3
20 | 56
Electric Transfer Valve Actuator
FeatureFeature DescriptionDescription
1Gear motor This creates the force to move the valve.
2Encoder This monitors the position of the actuator and sends it to the control panel.
3Connector This connects to the extension cable that goes between the control panel and encoder—DT04-4P.
4Connector This connects to the motor extension cable that goes between the power relay module and gear motor.
5 Actuator housing This houses the actuator's mechanical components.
6 Top mounting bracket This is used to mount the actuator on the top of the pump.
7 Bottom mounting bracket This is used to mount the actuator on the bottom of the pump.
33
5
6
2 2
5
11
7
4
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