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Dayton Operating Instructions and Parts Manual
2
Dayton Propane
Construction Convection Heater
®
3VH22
General Safety Information
Make certain you read and understand all
warnings. Keep these instructions for
reference. They are your guide to safe and
proper operation of this heater.
Safety information appears throughout
these instructions. Pay close attention to
them. Below are definitions for the safety
information listed throughout this manual.
Under this heading,
installation, operat-
ing and maintenance procedures or
practices will be found that, if not carefully
followed, WILL result in IMMEDIATE
serious personal injury or death.
Under this heading,
installation, operat-
ing, and maintenance procedures or
practices will be found that, if not
carefully followed, COULD result in severe
personal injury or death.
Under this heading,
installation, oper-
ating, and maintenance procedures or
practices will be found that, if not carefully
followed, MAY result in minor personal
injury, product or property damage.
IMPORTANT: Not every possible circum-
stance that might involve a hazard can be
anticipated. The warnings in this manual
and on tags or decals affixed to the unit
are therefore not all-inclusive. If a proce-
dure, work method, or operating tech-
nique not specifically recommended by
Dayton is used, you must make sure it is
safe for you and others. You should also
ensure that equipment will not be
damaged or made unsafe by the operating
or maintenance method you choose.
Carbon monoxide
poisoning may lead
to death! Some people are more
affected by carbon monoxide than
others. Early signs of carbon monoxide
poisoning resemble the flu, with
headaches, dizziness,
and/or nausea. If you have these signs,
the heater may not be operating
properly or the areas may not be
sufficiently ventilated. Get fresh air at
once! Have heater serviced.
Propane Gas: Propane gas is odorless.
An odor-making agent is added to
propane gas. The odor helps you detect
a propane gas leak. However, the odor
added to propane gas can fade.
Propane gas may be present even
though no odor exists.
• Install and use
heater with care.
Follow all local ordinances and
codes. In the absence of local
ordinances and codes, refer to the
Standard for Storage and Handling
of Liquefied Petroleum Gas, ANSI/
NFPA 58 and the Natural Gas Installa-
tion Code, CAN/CGA B149.2. This
instructs on the safe storage and
handling of propane gases.
• This product has been approved for
use in the Commonwealth of Massa-
chusetts.
• Use only the hose and factory preset
regulator provided with the heater.
• Use only propane gas set up for
vapor withdrawal.
• Provide adequate ventilation. Before
using heater, provide at least a 2.5-
square-foot opening of fresh,
outside air.
• For indoor use only. Do not use
heater outdoors.
• Do not use heater in occupied
dwellings or in living or sleeping
quarters.
• Do not use heater in basement or
below ground level. Propane gas is
heavier than air. If a leak occurs,
propane gas may sink to the lowest
possible level and may accumulate to
explosive concentrations.
• Keep appliance area clear and free
from combustible materials, gasoline,
paint thinner, and other flammable
vapors and liquids. Dust is combus-
tible. Do not use heater in areas with
high dust content.
• Minimum heater clearances from
combustibles: Sides: 3 feet, Top: 6 feet.
• Keep heater at least six feet from
propane tank(s).
• Keep propane tank(s) below 100° F.
• Check heater for damage before each
use. Do not use a damaged heater.
• Check hose before each use of
heater. If highly worn or cut, replace
with hose specified by manufacturer.
• Locate heater on stable and level
surface if heater is hot or operating.
• Not intended for use on finished
floors.
• Never block air inlet (bottom of
shell) or air outlet (around top of
shell) of heater.
• Keep heater away from strong drafts,
wind, water spray, rain, or dripping
water.
• Never operate heater while unat-
tended.
• Keep children and animals away
from heater.
• Never move, handle, or service a hot
or operating heater. Severe burns
may result. You must wait 15
minutes after turning heater off.
• To prevent injury, wear gloves when
handling heater.
This product
contains and/or
generates chemicals known to the
State of California to cause cancer or
birth defects, or other reproductive
harm.