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I-UD&APD (04-19) PN195673R33
GENERAL INFORMATION
This unit heater 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.
This manual applies only to the models listed. Accessories referenced may not apply to all models.
Installation should be done by a qualified agency in accordance with these instructions. The qualified service agency
installing this heater is responsible for the installation.
References
NOTE: Both this installation/operation manual and the appropriate venting instructions are shipped
with the heater. Verify that the literature is correct for the heater being installed. If either manual is
missing or incorrect, 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.
Table 1. Related Technical Manuals Available from Factory Distributor
Type Form/Description
PN/Symbol*
Gas conversion kit installation CP-UD&APD Series-GC 197209
Replacement parts P-UD&APD 270285
Venting instructions
for indoor power vent units**
Standard power vent installation
(each heater has its own dedicated vent)
Venting instructions
for indoor fan assist units**
Common vent installation with option AV6
(unit sizes 030, 045, 060, 075 and 100 only)
Venting instructions
for combustion air inlet units**
Separated-combustion installation with field-installed option
CC2, CC6, or CC14 (vent/combustion air kit)
*Look for the matching symbol on both the venting instructions and on the unit.
**BOTH this installation/operation manual and the correct venting instructions are REQUIRED for the installation of this unit heater.
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