John Wood Commercial - AJWSC - Manual (Page 3)

Thank you for purchasing a Commercial Water Heater.
Properly installed and maintained, it will provide years of
trouble free service.
This gas-fired water heater has been developed to produce
potable hot water for commercial demands and may also be
used in combination with space heating applications. Any
deviation from these applications could affect your warran-
ty.
User Responsibilities
This manual has been prepared to acquaint you with the
installation, operation and maintenance of your gas fired
water heater and provide important safety information in
these areas. It is your responsibility to ensure that your
water heater is properly installed and cared for.
FAILURE TO FOLLOW THE INSTRUCTIONS IN THIS
MANUAL MAY RESULT IN SERIOUS BODILY INJURY
AND/OR PROPERTY DAMAGE. THOROUGHLY READ
AND UNDERSTAND ALL INSTRUCTIONS BEFORE YOU
ATTEMPT TO INSTALL, OPERATE OR MAINTAIN THIS
HEATER.
Installation and service requires trade knowledge in the
areas of plumbing, electricity, venting, air supply and gas
supply. If you lack these skills or have difficulty understand-
ing these instructions, you should not proceed. Enlist the
help of a qualified service technician to install this water
heater.
Examples of qualified service technicians include those
trained in the plumbing and heating industry, local gas utili-
ty personnel or an authorized service person.
Service to the Power Vent System should only be per-
formed by a qualified service technician.
The manufacturer and seller of this water heater will not
assume any liability for any property damage, personal
injury or death resulting from improper sizing, installation or
failure to comply with these instructions.
The warranty on this water heater is in effect only when the
water heater is installed and operated in accordance with
these instructions. A data plate identifying your water heater
can be found at the front of the water heater near the inte-
grated control. When referring to your water heater, always
have the information listed on the data plate readily avail-
able.
Protect your warranty: Regularly service your water
heater as directed in the "Maintenance" section of this man-
ual.
Retain your original receipt as proof of purchase.
Do not discard this manual. You or future users of this
water heater will need it for reference.
– 3 –
Your safety and the safety of others is very important.
We have provided many important safety messages in this manual and on your appliance.
Always read and obey all safety messages.
All safety messages will tell you what the potential hazard is, tell you how to reduce the
chance of injury, and tell you what can happen if the instructions are not followed.
This is the safety alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol and either the word
“DANGER” or “WARNING”.
DANGER
WARNING
You can be killed or seriously injured if you don’t immediately follow
instructions.
You can be killed or seriously injured if you don’t follow instructions.
The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to
publish a list of substances known to the State of California to cause cancer, birth defects, or other
reproductive harm, and requires businesses to warn of potential exposure to such substances.
WARNING: This product contains a chemical known to the State of California to cause cancer, birth
defects, or other reproductive harm.
This appliance can cause low-level exposure to some of the substances listed, including formalde-
hyde, carbon monoxide, and soot.
I) INTRODUCTION