4
EX08DT and EX11DT Installation and Operation Manual
1. Welcome
Thank you for purchasing a Rinnai Direct
Vent Furnace. Before installing and operating
the direct vent furnace, be sure to read these
instructions completely and carefully to
familiarize yourself with the direct vent
furnace's features and functionality.
You must read the entire manual to properly
operate the direct vent furnace.
Refer to section "6. Maintenance" to stay up
to date on regular maintenance for your
direct vent furnace.
As when using any appliance generating
heat, there are certain safety precautions
you should follow. See section “2. Safety”
for detailed safety precautions.
Be sure your direct vent furnace is installed
by a trained and qualified professional.
If installing in the state of Massachusetts,
you must read section “9.1 Massachusetts
State Gas Regulations” in this manual.
Keep this manual for future reference.
It is recommended that a trained and
qualified professional who has attended a
Rinnai training class complete the
installation. The warranty may be voided
due to any improper installation.
A trained and qualified professional
should have skills such as:
Gas sizing
Connecting gas lines, valves, and
electricity
Knowledge of applicable national,
state, and local codes
Installing venting through a wall
Training in installation of direct vent
furnaces. Training on Rinnai Direct
Vent Furnaces is accessible at
rinnaipro.myabsorb.com.
Read all instructions in this manual before
installing the direct vent furnace. The
direct vent furnace must be installed
according to the exact instructions in this
manual.
Proper installation is the responsibility of
the trained and qualified professional.
When installation is complete, leave this
manual with the direct vent furnace or
give the manual directly to the consumer.
1.1 To The Installer
1.2 To The Consumer
ANSI
American National Standards
Institute
BTU
British Thermal Unit
LPG
Liquid Propane Gas
NG
Natural Gas
NPT
National Pipe Thread
OEM
Original Equipment Manufacturer
PSI
Pounds per Square Inch
VAC
Volts Alternating Current
wc
Inches of Water Column
Table 1 below lists common acronyms and
abbreviations used in this manual:
Table 1. Acronyms and Abbreviations
1.3 Acronyms and
Abbreviations
