Operating Guide

1
PLEASE NOTE: 20H IS FOR OUTDOOR PERMANENT INSTALLATIONS ONLY AND 20HI IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL
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English
Use & Care Manual
With Installation Instructions for the Installer
Residential Indoor/Outdoor Gas 150,000 BTU Max Input @ 5.3 GPM
Tankless Water Heater
WARNING: This water heater may not be suitable
for use in manufactured (mobile) homes! Please check
local code restrictions pertaining to permanent/xed installations in
manufactured homes in your area.
The purpose of this manual is twofold: one, to provide the installer
with the basic directions and recommendations for the proper
installation and adjustment of the water heater; and two, to the
owner-operator, to explain the features, operation, safety precautions,
maintenance and troubleshooting of the water heater. This manual
also includes a parts list.
It is imperative that all persons who are expected to install, operate
or adjust this water heater read the instructions carefully so they may
understand how to perform these operations. If you don’t understand
these instructions or any terms within it, seek professional advice.
Any questions regarding the operation, maintenance, service or
warranty of this water heater should be directed to the seller from
whom it was purchased. If additional information is required, refer to
the section on Customer Service
Do not destroy this manual. Please read carefully and keep in a
safe place for future reference.
Recognize this symbol as an indication of Important Safety
Information!
California Proposition 65 Warning: This product contains
chemicals known to the State of California to cause cancer, birth
defects or other reproductive harm.
WARNING: If the information in these instructions is not
followed exactly, a re or explosion may result causing property
damage, personal injury or death.
FOR YOUR SAFETY!
Improper installation, adjustment, alteration, service
or maintenance can cause property damage,
personal injury, or death. Refer to this manual.
Installation and service must be performed by
a qualied installer, service agency or the gas
supplier.
DO NOT store or use gasoline or other ammable
vapors or liquids or other combustible materials
in the vicinity of this or any other appliance. To
do so may result in an explosion or re.
WHAT TO DO IF YOU SMELL GAS
• DO NOT try to light any appliances.
• DO NOT touch any electrical switch;
do not use any phone in your building.
• Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier,
call the re department.
• DO NOT return to your home until authorized
by the gas supplier or re department.
Safety