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Rinnai Corporation EX17CT, EX22CT Manual
Table of Contents
Important Safety Information
Safety Definitions
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
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 your
account with us.
If you have any questions or feel that the manual is incomplete contact Rinnai at 1-800-621-9419
.
Table of Contents ............................................. 2
Safety Definitions ............................................. 2
Safety Behaviors and Practices for the Consumer
and Installer ...................................................... 3
Installation Instructions
(for the licensed professional)
State Regulations ............................................. 4
Included Installation and Vent Components .... 5
Installation Instructions..................................... 6
Prepare for Installation ..................................... 7
Determine Installation Location ........................ 7
Flue Terminal Clearances ................................ 8
Clearances to Combustibles ............................ 9
Checklist to Determine Installation Location .... 9
Drilling Flue Hole ............................................ 10
Flue Manifold Installation ............................... 10
Extension Kit Installation ................................ 12
Connecting the Appliance .............................. 15
Gas Connection ............................................. 16
Adjust Gas Pressure Settings ........................ 16
Dimensions .................................................... 20
Specifications ................................................. 21
Direct Vent Furnace Operation Instructions
Safe Operation .............................................. 23
Getting to Know Your Appliance .................... 24
Control Panel ................................................. 25
ON / OFF ........................................................ 25
Child Lock ...................................................... 25
Remote Thermostat Mode
(Optional Accessory) ..................................... 26
Setting the Clock ............................................ 27
Setting and Operating the Timers .................. 27
Override Function .......................................... 27
Economy (Energy Saving Mode) ................... 28
Set Back ......................................................... 28
Humidifier and Air Flow Direction .................. 29
Required Care and Maintenance
Care and Maintenance .................................. 30
Before Making a Service Call ........................ 31
Diagnostic Codes and Remedies .................. 32
Restart Function............................................. 33
Troubleshooting ............................................. 33
Cut-Away Diagram ......................................... 34
Wiring Diagram .............................................. 35
Ladder Diagram ............................................. 36
Parts List ........................................................ 37
Warranty
Warranty ........................................................ 47
French Version............................................... 49
Summary of Contents for EX17CT
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