WARNING
Improper installation, adjustment,
alteration, service or maintenance can
cause property damage, injury or death,
and could cause exposure to substances
which have been determined by various
state agencies to cause cancer, birth
defects or other reproductive harm.
WARNING
If the information in this manual is not
followed exactly, a fire or explosion
may result, causing property damage,
personal injury or death.
CAUTION
To prevent premature heat exchanger
failure do not locate ANY gas-fired units
in areas where chlorinated, halogenated
or acid vapors are present in the
atmosphere.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
THIS MANUAL IS THE PROPERTY OF THE OWNER.
RESIDENTIAL OWNER'S mANuAL
gas-fired unit heaters
models HD, HDB, HDS, and HDC
All models approved for use in California by the CEC,
in New York by the MEA division, and in Massachusetts.
Unit heater is certified for residential and commercial
applications.
IMPORTANT
All installation and service of these
units MUST be performed by a qualified
installation and service agency.
FOR YOUR SAFETY
The use and storage of gasoline or other
flammable vapors and liquids in open
containers in the vicinity of this appliance
is hazardous.
FOR YOUR SAFETY
WHAT TO DO If YOu SmELL gAS:
• Open windows.
• Do not try to light any appliance.
• 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 your fire department.
6-577.5
5H75225A
July, 2010