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Reznor® V3 Series Model UDAS gas-fired separated combustion 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 UDAS heaters are designed for 82-83% thermal efficiency 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 finish 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 low voltage 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 Tcore2 ® 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 flow, resiliently isolated venter motor, venter wheel with improved housing, resiliently isolated axial fan and motor assembly, a high temperature limit control, interlock door switch, and a built-in disconnect switch. Sizes 30-125 also include a flame 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 1ST ever separated combustion system in the commercial/industrial heating industry was introduced on a Reznor heater in the 1960s, and that proven technology is continued in this new separated combustion product. Model UDAS separated combustion units require installation of a specially designed combustion air/ vent system including the unique concentric adapter box that allows for only one building penetration for both the vent and combustion air. The new V3 Series unit heaters are designed to provide all the features you expect in a Reznor heater plus improved efficiency, 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 heater.
● Sizes 30-400 certified for commercial/industrial heating application
● Sizes 30-125 carry an additional approval for use in residential garage/workshop heating applications
● 82-83% Thermal efficient ~ TOP in its class!
● 50-60°F Rise range
● Tcore2 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 ignition with timed lockout
● Fan relay (included on the circuit board)
● Single-stage natural gas valve (field adjustable for operation to 9,000 ft. elevation )
● Vibration/noise isolated fan and venter motors
● Sealed control compartment houses all electrical components
● 2-pt and 4-pt Suspension ~ standard on all sizes
● Built-in disconnect switch (20A @ 115V Rating)
● External terminal strip for 24-volt wiring
● Sealed junction box for supply wiring
● External gas connection
● Fully gasketed door panel with safety door switch
● Full fan guard ~ engineered for safety
● Improved cabinet design with less visible hardware
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