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2 Rinnai Corporation EX17C / EX22C Manual
This appliance may be installed in an aftermarket, permanently located, manufactured home
(USA only) or mobile home, where not prohibited by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This appliance
is not convertible for use with other gases, unless a certified kit is used.
Consumer Safety Information
Safety Definitions ............................................. 3
Safety Behaviors and Practices ....................... 3
Safety Features ................................................ 4
Specifications
Appliance Specifications .............................. 4, 5
Features ........................................................... 5
Flue Manifolds .................................................. 5
Operating Instructions
Getting to Know your
New Heating Appliance ................................... 6
Control Panel ................................................... 7
ON/OFF ............................................................ 7
Child Lock ......................................................... 7
Setting the Clock .............................................. 8
Operating the Heater Manually ........................ 8
Setting and Operating the Timers .................... 8
Override Function ............................................. 9
Economy (Energy Saving Mode) ..................... 9
Set back ......................................................... 10
Humidifier and Airflow Direction ..................... 10
Adding Water to the Humidifier ................. 10
Adjusting Air Flow Direction ...................... 10
Care and Maintenance ................................... 11
Maintenance ............................................. 11
Care of Exterior ......................................... 11
Snow Accumulation .................................. 11
Filters ........................................................ 11
Visual Inspection of Flame ........................ 11
Before Making a Service Call ......................... 12
Fault Codes .................................................... 13
Restart Function ............................................. 14
Troubleshooting ............................................. 14
Installation Instructions
General Instructions ....................................... 15
Gas Connection ............................................. 16
Clearances to Combustibles .......................... 16
Attach Back Covers (Sides Only) .................. 16
Dimensions .................................................... 17
Flue Terminal Clearances ........................ 18,19
Installation Parts ........................................... 20
Drilling Flue Hole ........................................... 21
Flue Manifold Installation ......................... 22, 23
Extension Kit Installation .......................... 24-26
Connecting the Appliance .............................. 27
Adjust Gas Pressure Settings .................. 28, 29
Normal Operating Sequence ..................... 29
Visual Inspection of Flame ........................ 29
Final Assembly .......................................... 29
Operating Instructions ................................... 30
Cut-Away Diagram ......................................... 31
Wiring Diagram .............................................. 32
Ladder Diagram ............................................. 33
Parts List ................................................... 34-43
Consumer Support
Warranty Information ..................................... 44
Limited Warranty ...................................... 44, 45
French Version ............................................. 46-80
Table of Contents