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General| Brand | Reznor |
|---|---|
| Model | UBXC |
| Category | Gas Heater |
| Language | English |
Detailed safety warnings and definitions of danger, warning, and caution statements.
Description of UBXC and UDXC models and separated-combustion options.
Information on heater certifications for residential, industrial, and commercial use.
Requirements for installation according to local codes and national standards.
Minimum distances from the heater to combustible surfaces and objects.
Data on air throw patterns and distances based on louvers and mounting height.
Information on chlorine vapors causing corrosion and damage to heat exchangers.
Requirements for air supply for combustion, including confined and unconfined spaces.
Instructions for inspecting the unit upon arrival and after unpacking.
A list of checks and preparations required before unit installation.
Procedures and requirements for safely suspending the heater.
Details on various methods for suspending the heater, including kits and rods.
Specifications for gas supply pressure and testing procedures.
Guidelines for gas supply piping installation, materials, and sizing.
General guidelines for connecting the vent system to the unit.
How to properly support the vent pipe system.
Methods for securely sealing vent system joints.
Requirements for vent terminals for Category I vents, including clearances and termination.
Flowchart and instructions to determine the correct installation method for venting.
Requirements for Category III venting pipe, including diameters and lengths.
Steps for terminating the vent for commercial/industrial installations.
Steps for terminating the vent for residential installations.
Steps for terminating the vent in vertical dedicated installations.
Instructions for connecting the main power supply to the heater.
Information on making thermostat and other control wiring connections.
Function and settings of the pressure switch.
Description of the automatic-reset high temperature limit switch.
Details on the venter motor assembly and its function.
Information on the manually-reset flame rollout switch and its causes.
Information on the combination gas valve, its function, and safety.
Details about the fan motor, including thermal overload protection.
Requirements and connection details for thermostats used with the heater.
Information on the DSI control module, its monitoring, and display codes.
Details on options for controlling multiple heaters with a single thermostat.
A checklist of items to verify before starting the heater.
Step-by-step instructions for starting up the heater.
Tables detailing normal and abnormal heat cycle operating sequences.
Procedure for replacing the pressure switch, especially for high elevations.
Instructions for measuring and adjusting the gas pressure at the manifold.
Steps for adjusting gas pressure at normal elevations.
Steps for adjusting gas pressure at higher elevations.
A list of annual maintenance tasks to ensure unit performance and longevity.
Steps for cleaning and inspecting the burner assembly.
Maintenance for heat exchanger, ignition system, burner orifice, fan motor, blades, and guard.
Procedures for servicing the venter wheel and motor assembly.
Maintenance for gas valve, electrical components, and vent system.
A table listing common symptoms, probable causes, and remedies.
Table of display codes and their indications for diagnosing unit status.
A flowchart to diagnose issues using the DSI control module and its display.
