Installation Guide

Polypropylene (PP) Common Venting Installation Instructions 2
Copyright © 2018 Rinnai America Corporation. All Rights Reserved.
This manual provides installaon instrucons for
Ubbink Polypropylene (PP) common venng and is a
supplement to the Installaon and Operaons
Manual supplied with the Rinnai Tankless Water
Heater.
Common venng must sasfy all the requirements of
the Installaon and Operaons Manual, as well as the
requirements in this manual.
For detailed informaon on the Rinnai Tankless Water
Heater, including installaon instrucons, refer to the
Tankless Water Heater Installaon and Operaon
Manual or view an online version at rinnai.us.
Welcome
Contents
Welcome ............................................................................... 2
Safety .................................................................................... 3
About the Common Venng System ..................................... 4
Venng Guidelines ............................................................ 4
Derate and Total BTU ........................................................ 5
High Altude Installaons ................................................. 5
Installaon ............................................................................ 6
3” Common Venng .............................................................. 6
3” Direct Vent and Room Air ............................................. 6
3” Inline and Corner Kits ................................................... 7
4” Common Venng .............................................................. 8
4” Direct Vent and Room Air ............................................. 8
4” Add-On and Starter Kits ................................................ 9
6” Common Venng ............................................................ 11
6” Direct Vent and Room Air ........................................... 11
6” Inline Add-On and Starter Kits .................................... 12
6” Back-to-Back Add-On and Starter Kits ........................ 13
Terminaon Kits .................................................................. 14
Common Vent Components ................................................ 15
Sample Horizontal Terminaon Assembly ........................... 16
Sample Vercal Terminaon Assembly-Room Air .............. 17
Maintenance Clearances ..................................................... 18
Terminaon Clearances (All System Sizes) .......................... 18
Combuson Air Requirements ............................................ 20
Exhaust Vent Terminaon Clearances ................................. 23
Addional Clearances .......................................................... 25
Installaon Instrucons....................................................... 26
Final Checklist ..................................................................... 29
Appendix A — Ubbink Condensing System .......................... 30
If You Need Service
Contact your local dealer/distributor, or call Rinnai Customer
Care at 1-800-621-9419 Monday to Friday between 8 AM to 8
PM ET.
To The Installer
• This manual is intended for the trained and qualied
professional and is designed for licensed installers who
should have skills such as:
− Gas sizing
− Connecng gas lines, water lines, valves, and
electricity
− Knowledge of applicable naonal, state, and local
codes
− Installing venng through a wall or roof
− Training in installaon of tankless water heaters.
Training on Rinnai Tankless Water Heaters is accessible
at www.trainingevents.rinnai.us
• A trained and qualied professional must test the
Common Venng System for leaks before use.
• The installaon must conform to the Rinnai Tankless
Water Heater Installaon and Operaon Manual that is
shipped with the unit, local codes, or in the absence of
local codes, with the Naonal Fuel Gas Code, ANSI
Z223.1/NFPA 54.
• Read all instrucons contained in this manual before
installing the Common Venng System.
• Proper installaon is the responsibility of the installer.
• When installaon is complete, give all manuals related to
the common venng installaon (including this manual
and the Rinnai Water Heater Installaon and Operaon
Manual) directly to the consumer. The manuals should be
stored in a readily accessible locaon for future reference.
To The Consumer
• Keep this manual for future reference.
• Be sure your Common Venng System is installed by a
trained and qualied professional.