Installation Manual

2 Rinnai Tankless Rack System (TRS) Installation Manual
READ AND SAVE
THESE INSTRUCTIONS
Thank you for purchasing a Rinnai Tankless Rack
System (TRS). This manual provides instrucons on
installing a TRS. For specic quesons on the Rinnai
Tankless Water Heaters, refer to the “Rinnai Tankless
Water Heater Installaon and Operaon Manual”
supplied with each water heater in the rack system.
Read this manual completely before installing the TRS.
To The Installer
• It is recommended that a trained and qualied
professional who has aended a Rinnai
installaon training class complete the installaon.
Improper installaon may void the warranty.
• The trained and qualied professional should have
skills such as:
− Gas line 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.
• Read all instrucons in this manual before
installing the TRS. The TRS must be installed
according to the exact instrucons in this manual.
• In addion to this manual, you will also need the
“Rinnai Tankless Water Heater Installaon and
Operaon Manual” for specic water heater
installaon informaon, such as clearances,
venng opons and parameter sengs. A copy is
provided with each tankless water heater in the
rack system.
• Proper installaon is the responsibility of the
installer.
• When installaon is complete, leave this manual
with the rack system or give the manual directly to
the consumer.
To The Consumer
• As when using any appliance generang heat,
there are certain safety precauons you should
follow. See the “Safety Precauons” secon in this
manual for detailed safety precauons.
• It is recommended that a trained and qualied
professional who has aended a Rinnai
installaon training class complete your
installaon.
• Keep this manual for future reference.
Welcome
1
If You Need Service
Contact Rinnai Commercial Water Heang Services
800-621-9419
[e-mail]
CONTENTS
1 Welcome 2
2 About 3
3 Safety 3
4 Conguraons 5
5 Specicaons 8
6 Installaon 30
7 Venng 36
8 Plumbing 38
9 Gas Supply 42
10 Power Supply 43
11 Conguring TRW02ST and TRW03ST
Rack Models
46
12 Connect Water Heaters 53
13 Installaon Checklist 55
14 Appendices 57
TRW Replacement Parts 57
TRW HE Series Replacement Parts 58
TRC Replacement Parts 59
TRS Replacement Parts 60
15 Limited Warranty 62
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