Reznor UBZ Instructions Manual

VENTING INSTRUCTIONS FOR UNIT HEATERS
MODEL UBZ: SEPARATED-COMBUSTION BLOWER TYPE
This manual applies only to venting instructions and must be used with the installation manual. Both manuals are
shipped with the heater. If either manual is missing, contact your distributor before beginning installation.
Important Safety Information
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.
These units should not be used in an application where the heated space temperature is below
50°F (10°C). Operating under low ambient conditions may cause condensate to form in the heat
exchanger.
• Do not use an existing venting system. This heater requires installation of the combustion air/
vent system ordered with the unit, either option CC6 for a horizontal system or option CC2 for a
vertical system. Failure to comply could result in severe personal injury, death, and/or property
damage.
• Heaters certified for residential use are intended for the heating of non-living spaces that are
attached to or part of a structure that contains space for family living quarters. They are not
intended to be the primary source of heat in residential applications or to be used in sleeping
quarters.
• Installation should be performed by a qualified agency in accordance with these instructions.
The qualified service agency installing this unit is responsible for the installation.
Venting and Combustion Air Requirements
All separated-combustion units MUST BE equipped with both combustion air and exhaust piping
to the outdoors.
MODEL UDZ: SEPARATED-COMBUSTION FAN TYPE
GENERAL INFORMATION
⚠ CAUTION ⚠
⚠ DANGER ⚠
⚠ WARNING ⚠
Revision: CP-UBZ-UDZ-VENT (02-21) 1034632-0
Supersedes: — (Original Version)