Reznor
®
V3 Series Model UDAP gas-red unit heaters are available in 14 sizes ranging from 30,000 to 400,000
BTUH gas input. All sizes are approved for commercial/industrial installations. Sizes 30-125 carry an additional
approval for use in attached residential garage/workshop application. Model UDAP heaters are designed for
82-83% thermal efciency and are approved for installation in the United States and Canada by the Canadian
Standards Association (CSA).
Reznor V3 Series unit heaters have a refreshing new appearance with a glossy white cabinet nish and less
visible hardware. Each size cabinet is easily suspended from either 2 or 4 suspension points. Or, an optional
hanger kit for Sizes 30-125 allows for ceiling mounting. The low voltage terminal strip on the outside of the
cabinet makes connecting control wiring easy with no panels to remove. The addition of a “G” terminal to the
strip, along with the new design of the circuit board, allows for fan only operation (without adding relays). All
units have a factory installed gas line nipple to the exterior of the cabinet for easy gas service connection.
The preeminent new internal feature is the T
core
2
heat exchanger and single burner combustion system. Other
standard features include a single-stage gas valve, multi-try direct spark ignition with timed lockout, pressure
switch to verify vent ow, resiliently isolated venter motor, venter wheel with improved housing, resiliently
isolated axial fan and motor assembly, and a high temperature limit control. Sizes 30-125 also include a ame
rollout safety switch. Operation is controlled through an integrated circuit board. The circuit board monitors
heater operation and has LED diagnostic indicator lights to identify abnormalities in control functions.
The V3 Series unit heaters are designed to provide all the features you expect in a Reznor heater plus im-
proved efciency, easier installation, and a new look ~ both inside and out. Look for the unique white unit with
no visible front and bottom hardware, deep red louvers, black side handle, and angled corner to know you have
a genuine Reznor unit by Thomas & Betts.
● Sizes 30-400 certied for commercial/industrial heating application
● Sizes 30-125 carry an additional approval for use in residential garage/workshop heating applications
● 82-83% Thermal efcient ~ TOP in its class!
● 50-60°F Rise range
● T
core
2
titanium stabilized aluminized steel heat exchanger
● Patented
A
single burner combustion system including a one-piece burner assembly
● 115/1/60 Supply voltage
● 115 Volt open fan motor with internal overload protection
● Transformer for 24-volt controls
● Integrated circuit board with diagnostic indicator lights
● Multi-try direct spark ignition with timed lockout
● Fan relay (included on the circuit board)
● Single-stage natural gas valve (eld adjustable for operation to 9,000 ft. elevation
)
● Vibration/noise isolated fan and venter motors ~ designed for low noise operation
● 2-pt and 4-pt Suspension ~ standard on all sizes
● External terminal strip for 24-volt wiring
● External gas connection
● Full fan guard ~ engineered for safety
● Improved cabinet design with less visible hardware
● Single-stage, propane gas valve (eld adjustable for operation to 9,000 ft. elevation
B
)
● Two-stage natural gas or propane gas valve - Sizes 60-400
● 409 or 316 Stainless steel heat exchangers
● Totally enclosed fan motor (Sizes 30-250, 115V only)
● Common venting with other gravity vented Category I appliance(s) (Sizes 30-100)
DESCRIPTION
STANDARD FEATURES
OPTIONAL FEATURES -
FACTORY INSTALLED
Model UDAP
PowerVented,LowStaticAxialFan
Commercial/IndustrialUnitHeaters
ANSI Z83.8bCSA 2.6b
Sizes30-125carryanadditionalapproval
for use in residential garage/workshops
under CSA International Requirement
10.96 - U.S. and CR96-0005 - Canada
A
U.S. Patent No. 6,889,686.
B
Pressure switch change required for installations above 6,000 ft.
Form RZ-C-UH (Version H) Page 8
Page Number _______ of ______
(8 pages)
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