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The information contained on the following page(s) was produced
prior to May 1, 2014. On that date Reznor became part of
References to any other company affiliations are no longer valid.
This manual refers to Reznor brand products that have been
Some replacement parts may no longer be available from
our suppliers. Compatible parts may be substituted.
Please contact your Reznor Representative
©2014 Reznor, LLC. All Rights Reserved.
Trademark notice: Reznor is registered in at least the United States.
0514 PDF Form Cover2
Nortek, Inc.
discontinued for more than 10 years.
with specific questions.
NOTICE:
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Summary of Contents for Reznor INFRA-REZ TR
- Page 1 NOTICE: The information contained on the following page(s) was produced prior to May 1, 2014. On that date Reznor became part of Nortek, Inc. References to any other company affiliations are no longer valid. This manual refers to Reznor brand products that have been discontinued for more than 10 years.
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Page 2: Table Of Contents
Gas-Fired Tubular, Radiant, Low-Intensity Infrared Heater Operation/Maintenance/Service Form RZ-NA-O-TR ® Obsoletes Form 456-OMS ® APPLIES TO: INFRA-REZ Heater Models TR/TR-H Table of Contents ..................Page ..................Page GENERAL ................1 SERVICE SECTION - Control Location, MAINTENANCE SECTION ..........1-4 Operation, and Service ..........4-11 1. -
Page 3: Maintenance Section
Maintenance Section (cont'd) 1) Turn off the electrical supply to the heater and rotate the knob on 1. Flexible Gas Connection and Electrical the gas valve to the "OFF" position. Supply Connection 2) Remove the combustion air inlet cover (Refer to Figure 1). If the Expansion and contraction of the heater causes these compo- heater is equipped with an outside combustion air inlet pipe, it is nents to be flexed on each completed heating cycle. -
Page 4: Main Burner
rear of the burner is supported by a retention clip. Slide the burner Figure 3 - toward the combustion chamber, carefully manipulate, and remove Clean the Blower the burner from the burner/control box. blower wheel Wheel 4) Remove any soot de- Figure 5 - Clean using a brush,... -
Page 5: Service Section - Control Location, Operation, And Service
Maintenance Section (cont'd) not visible, clean the orifice with solvent and compressed air. DO NOT REAM THE ORIFICE. 8. Pilot Burner Assembly (cont'd) b) Remove the sensing rod and clean with an emery cloth. Rub the a) Remove the flame sensing wire from the pilot burner. metal sensing rod with the emery cloth until it is bright. -
Page 6: Time Delay Relay
9. Time Delay Relay Table 2 - Correct Sensing Pressure Figure 10 - Time Delay Function -- This device is used "Cold" Sensing "Hot" Sensing Relay Size to provide a post purge of the com- Pressure Range* Pressure Range* bustion chamber, heat exchanger 0.95 - 1.10"... -
Page 7: Ignition Controller
Service Section (cont'd) (2) Dirty or misaligned flame sensor electrode and pilot burner 11. Ignition Controller hood (Refer to Maintenance Section, Paragraph 8 for cleaning Function -- The ignition controller functions to ignite the pilot flame instructions). and as a flame supervision device. Natural gas heaters are equipped (3) Dirty or restricted pilot orifice (Refer to Maintenance Section, with a Model G67 ignition control. -
Page 8: Combustion Air Blower System
turning regulator screw IN (clockwise) to increase pressure or OUT 15. Transformer (counterclockwise) to decrease pressure. Consult the valve Function - The function of the transformer is to reduce the supply manufacturer's literature provided with the heater for more detailed voltage to a 24-volt circuit in order to operate the 24-volt controls. -
Page 9: Voltage
16. Troubleshooting WARNING: Service work on this heater should only be done by a qualified gas service person. All service information including the Troubleshooting Guides is intended as an aid to a qualified service person. Figure 16 - Basic Troubleshooting Guide Open all manual gas valves in the supply line to the Is the gas... - Page 10 Figure 17 - Ignition Troubleshooting Guide (Assumes pressure switch is actuated.) Is the pilot Rotate to lighted (look through "ON" position. view port)? Is the manual Can a spark Is the indicator valve on the combination be seen through the light on (green light near valve fully rotated to the view port?
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Page 11: Troubleshooting Guides
16. Troubleshooting (cont'd) Figure 18 - Pressure Switch Troubleshooting Guide Does the combustion blower Refer to Figure 16, Basic operate (Listen or look inside Troubleshooting Guide. combustion air inlet.)? Does the pressure switch close? Does the Check "cold" sensing pressure switch cycle as pressure. -
Page 12: Wiring Diagram
17. Wiring Diagram Form RZ-NA-O-TR, Mfg No. 121028 Rev 7, Page 11... -
Page 13: Index (By
Date of Installation _____________________________________________ 800-695-1901 www.RezSpec.com ©2004 All rights reserved. Printed in the U.S.A. MANUFACTURER OF GAS, OIL, ELECTRIC HEATING AND VENTILATING SYSTEMS Trademark Note: Reznor ® and INFRA-REZ ® are registered in the United States and other countries. 704 POD OG Form RZ-NA-O-TR...
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