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2 Rinnai Corporation ES38 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.
Table of Contents
This appliance may be installed as an OEM installation in a manufactured home (USA only) or
mobile home and must be installed in accordance with the manufacturer’s instructions and the
Manufactured Home construction and Safety Standard, Title 24 CFR, Part 3280, in the United
States, or the Mobile Home Standard, CAN/CSA Z240 MH Series, in Canada. This appliance
is only for use with types of gas indicated on the rating plate. A conversion kit is supplied with
the appliance.
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
Operating the Heater .................................. 8, 9
Care and Maintenance ................................... 10
Before Making a Service Call ......................... 11
Fault Codes .................................................... 12
Restart Function ............................................. 13
Troubleshooting ............................................. 13
Installation Instructions
General Instructions ....................................... 14
Gas Connection ............................................. 15
Clearances to Combustibles .......................... 15
Flue Terminal Clearances ....................... 16, 17
Dimensions .................................................... 18
Installation Parts ........................................... 19
Drilling Flue Hole ........................................... 20
Attach Wall Brackets ...................................... 20
Attach Back Spacers ..................................... 20
Flue Manifold Installation ......................... 21, 22
Extension Kit Installation .......................... 23-25
Connecting the Appliance .............................. 26
Operating Instructions ................................... 27
Cut-Away Diagram ......................................... 28
Wiring Diagram .............................................. 29
Ladder Diagram ............................................. 30
Parts List ................................................... 31-41
Consumer Support
Warranty Information ..................................... 42
Limited Warranty ...................................... 42, 43