Owner's Manual

2 C199 Manual

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 personal
injury or death.
Indicates a potenally hazardous situaon which, if not avoided, could result in personal
injury or death.
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

 ............................. 
Prepare for Installaon ...................................... 5
Determine Installaon Locaon ........................ 6
Combuson Air Requirements (Common Vent &
Commercial Hybrid System Applicaons Only) ..... 7
Freeze Protecon ............................................. 13
Checklist to Determine Installaon Locaon ... 14
Mount to Wall .................................................. 14
Installaon of Venng (indoor models only) ... 15
Venng Guidelines and Conguraons ...... 16-22
Twin Pipe PVC/CPVC Vent Installaon ........ 23-40
Condensate (indoor models only).................... 41
Checklist for Venng and Condensate
(indoor models only) ........................................ 41
Installaon of Plumbing ................................... 42
Checklist for Plumbing ..................................... 45
Installaon of Gas Supply ................................ 45
Connect Electricity ........................................... 47
Adjustment for High Altude Installaons ...... 47
Adjustment for Vent Length
(indoor models only) .............................................. 47
Checklist for Gas and Electricity ....................... 47
Installaon of Temperature Controller ............ 48
Final Checklist ................................................... 50
Technical Data ........................................................ 51
Specicaons ................................................... 51
Dimensions ....................................................... 52
Pressure Drop and Water Flow Curves ............ 53
Ladder Diagram ................................................ 54
 ....................................... 
Consumer Operaon Guidelines for the
Safe Operaon of your Water Heater .................... 56
How to Use the Temperature Controller ............... 57
How to Set the Temperature .................................. 58
Diagnosc Codes .................................................... 60
Required Maintenance ........................................... 63
Freeze Protecon and Winterizaon ............... 64
Flushing the Heat Exchanger ............................ 65
Manual Draining of the Water Heater ............. 66
State Regulaons .................................................... 67
Replacement Parts ................................................. 68
Warranty ................................................................. 69
French Version ........................................................ 72


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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 your account with us.
If you have any quesons or feel that the manual is incomplete contact Rinnai at 1-800-621-9419.