Rinnai V75i series User Manual

2 Value Series Manual
Table of Contents
This is the safety alert symbol. This symbol alerts you to potenal hazards that can kill or hurt you
and others.
Indicates an imminently hazardous situaon which, if not avoided, will result in death or
serious injury.
Indicates a potenally hazardous situaon which, if not avoided, could result in death or
serious injury.
Indicates a potenally hazardous situaon which, if not avoided, could result in minor or
moderate injury. It may also be used to alert against unsafe pracces.
DANGER
CAUTION
WARNING
Table of Contents ..................................................... 2
Safety Behaviors and Pracces for the
Consumer and Installer ............................................ 3
Installaon Instrucons
(for the licensed professional) ............................. 4
Prepare for Installaon ...................................... 5
Determine Installaon Locaon ........................ 6
Checklist to Determine Installaon Locaon ... 12
Mount to Wall .................................................. 12
Remove the Front Panel .................................. 12
Installaon of Venng (indoor models only) ... 13
Condensate (indoor models only) ................... 15
Checklist for Venng and Condensate
(indoor models only) ........................................ 15
Installaon of Plumbing ................................... 16
Checklist for Plumbing ..................................... 18
Installaon of Gas Supply ................................ 18
Connect Electricity ........................................... 20
Adjust for High Altude ................................... 20
Adjust for Vent Length (indoor models only) .. 20
Checklist for Gas and Electricity ....................... 20
Installaon of Temperature Controller ............ 21
Final Checklist .................................................. 23
Technical Data ........................................................ 24
Specicaons ................................................... 24
Dimensions ...................................................... 25
Pressure Drop and Water Flow Curves ............ 26
Ladder Diagram ................................................ 27
Operaon Instrucons ....................................... 28
Consumer Operaon Guidelines for the
Safe Operaon of your Water Heater .............. 29
How to Use the Temperature Controller ......... 30
How to Set the Temperature ........................... 31
Diagnosc Codes .............................................. 33
Required Maintenance .................................... 36
Flushing the Heat Exchanger ..................... 38
Manual Draining of the Water Heater ...... 39
State Regulaons .................................................... 40
Replacement Parts ................................................. 41
Consumer Warranty ............................................... 42
French Version........................................................ 44
Important Safety Informaon
Safety Denions
NOTICE: Rinnai somemes shares customer contact informaon with businesses that we believe provide
products or services that may be useful to you. By providing this informaon, you agree that we can
share your contact informaon for this purpose. If you prefer not to have your informaon shared with
these businesses, please contact customer service and ask not to have your informaon shared. We
will however, connue to contact you with informaon relevant to the product(s) you registered and/
or you account with us.
If you have any quesons or feel that the manual is incomplete contact Rinnai at 1-800-621-9419.

Rinnai V75i series Specifications

General

Type	Tankless Water Heater
Fuel Type	Natural Gas or Propane
Maximum BTU	180, 000 BTU
Flow Rate	7.5 GPM
Energy Factor	0.82
Installation	Indoor
Gas Connection	3/4" NPT
Water Connection	3/4" NPT
BTU Input Range	15, 000 - 180, 000 BTU
Temperature Range	98°F to 140°F
Electrical Requirements	120V AC, 60Hz
Ignition Type	Electronic
Warranty	5-year on parts, 1-year on labor