4
I-OH (01-20) PN120390R7
GENERAL INFORMATION
The instructions in this manual apply to yhe Reznor model OH oil-fired unit heater, which has a propeller fan for air
delivery and requires a vent with a barometric draft regulator.
This unit has been tested for capacity and efficiency so as to provide many years of safe and dependable comfort
providing it is properly installed and maintained. With regular maintenance, this unit will operate satisfactorily year
after year. Abuse, improper use, and/or improper maintenance can shorten the life of the appliance and create
unsafe hazards.
To achieve optimum performance and minimize equipment failure, it is recommended that periodic maintenance
be performed on this unit. The ability to properly perform maintenance on this equipment requires certain tools and
mechanical skills.
Installation should be done by a qualified agency in accordance with the instructions in this manual and in compliance
with all codes and requirements of authorities having jurisdiction.
Important Safety Information
There are warning labels on the unit and throughout this manual.
Please read all information in this manual thoroughly
and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this
unit. Pay attention to all dangers, warnings, cautions, and notes highlighted in this manual. Safety markings should
not be ignored and are used frequently throughout to designate a degree or level of seriousness.
DANGER:
A danger statement describes a potentially hazardous situation that if not avoided, will result in severe
personal injury or death and/or property damage.
WARNING:
A warning statement describes a potentially hazardous situation that if not avoided, can result in severe
personal injury and/or property damage.
CAUTION:
A caution statement describes a potentially hazardous situation that if not avoided, can result in minor
or moderate personal injury and/or property damage.
NOTE:
A note provides important information that should not be ignored.
⚠ DANGER ⚠
Improper installation, adjustment, alteration, service, or maintenance can cause property damage,
injury, or death. Read the installation, operation, and maintenance instructions thoroughly before
installing or servicing this equipment.
⚠ WARNING ⚠
This appliance is not designed for use in hazardous atmospheres containing flammable vapors,
combustible dust, or chlorinated or halogenated hydrocarbons.
⚠ CAUTION ⚠
Do not tamper with the unit or its controls. Call your service person.
Warranty
Refer to the limited warranty information on the warranty card in the o
wner’s envelope
. The warranty is void if:
a. Wiring is not in accordance with the diagram furnished with the heater.
b. Heater is operated in presence of chlorinated vapors.
c. Ducts are attached to fan models.
