Rinnai RU180iN, Installation And Operation Manual

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2 V53De Manual
Table of Contents
This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you
and others.
Indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in minor or
moderate injury. It may also be used to alert against unsafe practices.
DANGER
CAUTION
WARNING
Table of Contents ..................................................... 2
Safety Behaviors and Practices for the
Consumer and Installer ............................................ 3
Installation Instructions
(for the licensed professional) .............................. 4
Prepare for Installation ...................................... 5
Determine Installation Location ........................ 5
Water Quality .................................................... 5
Checklist to Determine Installation Location .... 8
Freeze Protection .............................................. 8
Mount to Wall ................................................... 8
Remove the Front Panel .................................... 9
Installation of Plumbing ..................................... 9
Checklist for Plumbing ..................................... 11
Installation of Gas Supply ................................ 11
Connect Electricity ........................................... 13
Adjust for High Altitude ................................... 13
Checklist for Gas and Electricity ...................... 13
Installation of Temperature Controller ........... 14
Mounting the Controller ........................................ 15
Final Checklist ......................................................... 16
Technical Data ........................................................ 17
Specifications ................................................... 17
Dimensions ....................................................... 18
Pressure Drop and Water Flow Curves ............ 19
Ladder Diagram ................................................ 20
Operation Instructions ....................................... 21
Consumer Operation Guidelines for the
Safe Operation of your Water Heater .............. 22
How to Use the Temperature Controller ......... 23
How to Set the Temperature ........................... 24
Diagnostic Codes .............................................. 27
Required Maintenance ..................................... 29
Freeze Protection and Winterizing ........... 30
Flushing the Heat Exchanger ..................... 31
Manual Draining of the Water Heater ...... 32
Limited Warranty .................................................... 33
Important Safety Information
Safety Definitions
NOTICE: Rinnai sometimes shares customer contact information with businesses that we believe provide
products or services that may be useful to you. By providing this information, you agree that we can
share your contact information for this purpose. If you prefer not to have your information shared with
these businesses, please contact customer service and ask not to have your information shared. We
will however, continue to contact you with information relevant to the product(s) you registered and/
or you account with us.
If you have any questions or feel that the manual is incomplete contact Rinnai at 1 - 800 - 621 - 9419
.