Reznor Udx - Installation Manual

Table of Contents:

• Page 2 – TABLE OF CONTENTS
• Page 3 – Important Safety Information
• Page 4 – GENERAL INFORMATION—CONTINUED; ⚠ WARNING ⚠; Table 1. Model Configuration; that contains space for family living quarters .
• Page 5 – ⚠ CAUTION ⚠; Heater Throw Distances with Standard Horizontal Louvers; Figure 1
• Page 6 – Heater Location—Continued; Figure 1. Heater Throw Patterns (Refer to
• Page 7 – —Continued
• Page 11 – Mounting Height Requirements; Hazards of Chlorine
• Page 12 – connected to a combustion air inlet pipe.; Figure 2. Dimensions—Models UBX and UBZ (Refer to; SIDE VIEW
• Page 13 – TOP VIEW
• Page 14 – Clearances; Table 6; Dimensions—Continued
• Page 15 – Weights; Combustion Air Requirements; of outside air through wall openings or ducts .; Figure 4; and as listed in; Table 8; National
• Page 16 – Combustion Air Requirements—Continued; Table 8. Determining Confined Space Combustion Air Requirements; Figure 4. Confined Space Combustion Air Openings (Refer to; INSTALLATION; Unpacking and Inspection; removing shipping brackets, re-insert ALL screws into the cabinet .; Pre-Installation Checklist; who might have requirements concerning this installation .
• Page 17 – Table 9; ) that need to be assembled/installed prior; Heater Suspension; sufficient load-carrying capacity to support the weight (refer to
• Page 18 – INSTALLATION—CONTINUED; Heater Suspension—Continued; installed in the cabinet.; Figure 5; Suspension of Heater Using Option CK8 or CK10 Hanger Kit; Figure 6
• Page 19 – Figure 6. Option CK8 or CK10 Hanger Kit; Suspension of Heater Using Option CK22 Hanger Kit; Heater Suspension Using Field-Supplied Threaded Rods; heater as shown in; Figure 7; Suspension of Heater with Downturn Nozzle; Vent Connections; Gas Supply Pressure; external to the unit.
• Page 20 – Piping Connections—Continued; Gas Supply Piping; ⚠ DANGER ⚠; any other chemical constituents of the gas being supplied.; Table 10. Gas Supply Line Sizes; Supply Piping Connections; Figure 8; Figure 8
• Page 21 – connection sizes are listed in; Figure 8. Gas Connections; Electrical Connections; and sensor lead wires which must be rated at 150°C.
• Page 22 – Electrical Connections—Continued; with the option package for installing the transformer .; connects to the disconnect toggle switch .; Figure 9; • The circuit board (see
• Page 23 – CONTROLS; TROUBLESHOOTING; Locations for the following controls are shown in; Pressure Switch; Hazardous conditions could result.; for location) is a pressure-sensitive switch that; Circuit Board
• Page 24 – CONTROLS—CONTINUED; Pressure Switch—Continued; or the flue system resistance is reduced .; Table 12. Pressure Switch Settings
• Page 26 – Thermostat Options; amperage value noted on the heater wiring diagram .; installation and wiring .; Figure; a status LED on the bottom of the heater . Its status indications are; off; and described in the; Unit Troubleshooting Using DSI Control Module
• Page 27 – OPERATION; Check the following
• Page 28 – Top View; OPERATION—CONTINUED; Startup—Continued
• Page 29 – Operating Sequences; describes the heater’s normal operating sequence .
• Page 30 – Operating Sequences—Continued
• Page 31 – Table 15. Fault Modes; Vent System Testing; at maximum speed . Do not operate a summer exhaust fan .
• Page 32 – Post-Startup Checklist; after; ADJUSTMENTS; Pressure Switch Replacement; Figure 13. Pressure Switch
• Page 33 – Measure and Adjust Manifold (Outlet) Gas Pressure; If the heater is being installed at an elevation; for propane must be a minimum of 11 IN WC and a maximum of 14 IN WC.
• Page 34 – ADJUSTMENTS—CONTINUED; Measure and Adjust Manifold (Outlet) Gas Pressure—Continued; Figure 14. Combination Gas Valves; exchanger failure due to unregulated manifold pressure.; , disconnect manometer
• Page 36 – Table 17. Inputs and Capacities by Elevation
• Page 37 – MAINTENANCE; conditions are created.; Burner Maintenance
• Page 38 – Figure 15. Typical Burner Assembly; gas train out of way .; MAINTENANCE—CONTINUED; Maintenance Procedures—Continued; Burner Maintenance—Continued
• Page 40 – Burner Orifice Maintenance; Refer to the; Ignition System Maintenance; Figure 16. Ignitor Spark Gap; Maintenance of Fan Motor, Fan Blades, and Fan Guard
• Page 41 – Figure 17. Fan Blade Positioning and Spacing
• Page 42 – Venter Motor and Wheel Assembly Maintenance; Figure 18. Venter Motor and Wheel Assembly
• Page 43 – Combination Gas Valve Maintenance; Pressure Switch Maintenance; on the compartment wall.; High Temperature Limit Control Maintenance; Limit Control Flame Rollout Switch Door Switch Transformer; Figure 19. Replaceable Components; Interlock Door Switch Maintenance (Models UBZ and UDZ)
• Page 44 – • The cause of a flame rollout switch (see; General Troubleshooting; Table 19. General Troubleshooting
• Page 46 – TROUBLESHOOTING—CONTINUED; General Troubleshooting—Continued; The SSD on the DSI control module (refer to; replaceable part is the fuse (see
• Page 47 – Figure 20. DSI Control Module Troubleshooting Flowchart
• Page 48 – INSTALLATION RECORD (TO BE COMPLETED BY INSTALLER); found at