Noritz cCS-V User manual

SKU#: cCS-V INSTRUCTIONS
Crossover Valve Kit
Hot water recirculation valve
Installation and operating instructions

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Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
Warning
Prior to installation, read these installation and operating
instructions. Installation and operation must comply with
national, state, and local regulations and accepted codes of
good practice.
For programing, please refer to the water heater’s installation manual
for additional set-up information.
1. Limited warranty 3
2. Symbols used in this document 4
3. Product introduction 4
3.1 Introduction 4
3.2 Delivery and handling 5
3.3 Applications 5
4. Installation 5
4.1 Valve location 6
4.2 Disconnecting the risers 6
4.3 Installing the thermal bypass valve 7
5. Technical data 9
5.1 Approvals 9
6. Fault 10
7. Replacement parts 10
8. Disposal 10

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1. Limited warranty
The Noritz Crossover Valve Kit is warranted to the original user only to be
free of defects in material and workmanship for a period of 24 months from
date of installation, but not more than 30 months from date of manufacture.
Noritz’ liability under this warranty shall be limited to repairing or replacing at
Noritz’ option, without charge, FOB Noritz.
Noritz will not be liable for any costs of removal, installation,
transportation, or any other charges which may arise in connection with a
warranty claim. Products which are sold but not manufactured by Noritz
are subject to the warranty provided by the manufacturer of said products and
not by Noritz’ warranty. Noritz will not be liable for damage or wear to
products caused by abnormal operating conditions, accident, abuse, misuse,
unauthorized alteration or repair, or if the product was not installed in accord-
ance with Noritz’ printed installation and operating instructions.
To obtain service under this warranty, the defective product must be returned
to the distributor or dealer of Noritz’ products from which it was purchased
together with proof of purchase and installation date, failure date, and support-
ing installation data. Unless otherwise provided, the distributor or dealer will
contact Noritz for instructions.
Any defective product to be returned to Noritz must be sent freight prepaid;
documentation supporting the warranty claim and/or a Return Material
Authorization must be included if so instructed.
NORITZ WILL NOT BE LIABLE FOR ANYINCIDENTAL OR CONSEQUENTIAL
DAMAGES, LOSSES, OR EXPENSES ARISING FROM INSTALLATION, USE
OR ANY OTHER CAUSES. THERE ARE NO EXPRESS OR IMPLIED
WARRANTIES, INCLUDING MERCHANTABILITY OR FITNESS FOR
A PARTICULAR PURPOSE, WHICH EXTEND BEYOND THOSE WARRAN-
TIES DESCRIBED OR REFERRED TO ABOVE.
Some jurisdictions do not allow the exclusion or limitation of incidental or con-
sequential damages and some jurisdictions do not allow limit actions on how
long implied warranties may last. Therefore, the above limitations or exclusions
also have other rights which vary from jurisdiction to jurisdiction.

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2. Symbols used in this document
Warning
If these safety instructions are not observed, it may result in
personal injury.
If these safety instructions are not observed, it may result in
malfunction or damage to the equipment.
Notes or instructions that make the job easier and ensure
safe operation.
3. Product introduction
3.1 Introduction
All Noritz Crossover Valves are carefully inspected and tested before
e. For maximum
performance and reliability, please follow the instructions in this manual.
Warning
This is not an anti-scald device. After installation, you may
the valve is installed. Once the cold water line is opened, the
warm water will dissipate in a very short time.
Warning
For indoor potable water use only.
A Noritz Crossover Valve is designed to bring hot water in an instant to the hot
water faucets in your home.
Since the system utilizes the existing cold water return line in the home, no
separate new return line is required. No electricity is required under the sink.
The Noritz Crossover Valve installs at the furthest faucet.
circulation
pump, through the hot water supply line, and then back to the water heater
through the existing cold water return line.
Caution
Note

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3.2 Delivery and handling
Examine the components carefully to make sure no damage has occurred to
the valve during shipment.
Noritz Crossover Valve Kit includes includes:
•One undersink, crossover valve
•
3.3 Applications.
Warning
For indoor potable water use only.
Noritz Crossover Valve is intended for indoor residential potable drinking water
use only; to be considered where there is no hot water return line available.
4. Installation
Warning
on the valve threads.
Warning
turn with wrench.
can result in valve damage, causing valve to leak and/or
localized water damage.
Warning
When making piping connections, be sure to follow piping
manufacturer’s recommendations and all code requirements
for piping material.
Warning
By plumbing convention, the hot water is on the left side and
the cold water on the right side, when looking at the sink.
Your piping may be different.
Caution
Caution
Note
Note
Two 12 in. Length, 1/2 in. FIP x 3/8 in. comp flex hoses with two 1/2 x 3/8 in. fittings
•Installation and Operating Instructions

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4.1 Valve location
For the greatest effect, the valve should be located at a faucet with the greatest
piping distance from the hot water heater.
4.2 Disconnecting the risers
1. Close both the hot and cold water angle stop valves below the sink;
2.
Fig. 1 Close hot and cold water angle stop valves under the sink before installing
the thermal bypass valve
Fig. 2 Disconnect the risers before installing the thermal bypass valve
Hot water
angle stop valve
Cold water
angle stop valve
Risers

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4.3 Installing the crossover valve
1. crossover valve
2.
3. OUT” port on the
4.
5. IN” port on the crossover valve
6.
7. Open both hot and cold water angle stop valves. Check for leaks.
8. Crossover valve may be mounted to the wall with screws* if
9. For troubleshooting, see section .
* Mounting hardware not included.
crossover valve
crossover valve
crossover valve
crossover valve

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Fig. 3
Fig. 4 Correct installation of crossover valve (mounting hardware not included)
1/2” x 3/8” 1/2” x 3/8”
Hot water
IN
Cold water
IN
Crossover
valve
Hot water
OUT
Cold water
OUT
1/2” x 3/8” 1/2” x 3/8”
To hot water faucet To cold water faucet
Correct
Incorrect
crossover
(provided in kit)
(provided in kit)
(existing riser) (existing riser)

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5. Technical data
Warning
For indoor potable water use only
Crossover
valve
Max. ambient storage temp. 170 °F (76 °C)
System installation type Open — residential potable
Max. working pressure 145 psi (10 bar)
Max. liquid temperature 140 °F (60 °C)
Min. liquid temperature 36 °F (2 °C)
Connections 1/2” NPSM
5.1 Approvals
ANSI/NSF61
ANSI/NSF 372
Comfort Valve
IAPMO (UPC/
cUPC)
Comfort Valve
Manufactured by Grundfos

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6. Fault
Fault Remedy
1. No hot water at
faucet or too much
hot water on cold
water side
a) To check for proper installation, close cold water angle
stop valve below the sink.
b) Open the cold water faucet.
c) W
hot water reaches crossover valve.
d)
cold water faucet should gradually decrease to a trickle
of water until no water is coming from valve. If not,
review crossover valve installation instructions. If
necessary, reinstall crossover valve. For installation
procedure, see section 4. Installation.
7. Disposal
This product or parts of it must be disposed of in an environmentally sound
way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company or service
workshop.
As the crossover valve
NORITZ HEADQUARTERS
11160 Grace Avenue
Fountain Valley, CA 92708
Phone: [phone]
Fax: [phone]
Toll Free: 1.866.766.7489
NORITZ AMERICA CORP. | WWW.NORITZ.COM

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12 99675079