12
OPERATIONAL SAFETY INFORMATION (Cont.)
CLEANING AND SERVICING IMPORTANT INFORMATION
OPERATING YOUR UNVENTED GAS APPLIANCE SAFETY AND CORRECTLY:
• This appliance is intended for supplemental heating, and is not to be used as a primary
heating source. Water vapor produced by vent-free burner systems can create moisture
problems in a home when operated for extended periods of time. If condensation begins to
occur, open your damper or a win
As a supplemental zone heater, this set should not be used more than six continuous hours
per day or more than 40 hours per week. More frequent use indicates that this unit is being
used as a primary heat source. The higher presence of carbon monoxide generated by this
amount of use can be considered unsafe.
• If the gas quality is poor or pressure low, your ODS pilot may not stay lit, the burners may
produce soot, or the unit may backfire. Contact your local gas supplier immediately.
• This appliance is designed for adults to be present while in operation. Do not leave this unit
burning when unattended or while sleeping. This is an attended appliance.
• WARNING: Failure to keep the primary air opening(s) of the burner(s) clean may result in
sooting and property damage.
• WARNING: All previously applied loose material, such as embers, must be removed prior
to reapplication. All replacement loose material must be purchased from the original
appliance manufacturer.
• Unusually tight construction is defined as:
a. Walls and ceilings exposed to the outside atmosphere have a continuous water vapor
retarder with a rating of 1 perm (6x10
11
kg per pa-sec-m
2
) or less with openings that
are sealed or use gaskets;
b. Weather stripping has been added on openable windows and doors;
c. Caulking or sealants are applied to areas such as joints around window and door frames;
between sole plates and floors; between wall-ceiling joints; between wall panels; at
penetrations for plumbing, electrical, and gas lines; and at other openings.
It is imperative that you maintain your unvented gas appliance by
having it cleaned and serviced regularly. A qualified professional
service technician shall inspect and service this unit at least
annually. (Read and follow the CLEANING AND SERVICING
sections for details.)
Failure to provide reasonable and necessary maintenance as
outlined in the owner’s manual will cause your appliance to
malfunction and will void your warranty.
