Rinnai Tankless Water Heater Installation and Operation Manual
5
ANSI
American National Standards
Institute
BTU
British Thermal Unit
GPM
Gallons per minute
LPG
Liquefied Petroleum Gas
NG
Natural Gas
PRV
Pressure Relief Valve
PSI
Pounds per square inch
wc
Inches of water column
NPT
National Pipe Thread
MNPT
Male National Pipe Thread Taper
V AC
Volts, alternating current
To The Consumer
•
You must read the entire manual to
properly operate the water heater.
•
Refer to section "6 Maintenance" to stay
up to date on regular maintenance for your
water heater.
•
Keep this manual for future reference.
•
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 water heater is installed by a
trained and qualified professional.
•
If installing in the state of
Massachusetts, you must read section “7.1
Massachusetts State Gas
Regulations” in this manual.
Acronyms and Abbreviations
Table 1 provides a list of common acronyms and
abbreviations used in this manual:
Thank you for purchasing a Rinnai Tankless
Water Heater. Before installing and operating this
water heater, be sure to read these instructions
completely and carefully to familiarize yourself with
the water heater’s features and functionality.
To The Installer
•
It is recommended that a trained and
qualified professional who has attended a
Rinnai training class complete the instal
-
lation. 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, water lines,
valves, and electricity
–
Knowledge of applicable national, state,
and local codes
–
Installing venting through a wall or roof
–
Training in installation of tankless water
heaters. Training on Rinnai Tankless
Water Heaters is accessible at
www.rinnai-lms.com
•
Read all instructions in this manual before
installing the water heater. The water heat
-
er 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 water heater (for indoor
units) or give the manual directly to the
consumer.
1.
1. Welcome
Welcome
Table 1