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Thomas & Betts TR - User Manual

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Form RZ-NA-I-TR, Mfg No. 121027 Rev 5,
Page 1
FOR YOUR SAFETY
The use and storage of gasoline or other
flammable vapors and liquids in open
containers in the vicinity of this appliance is
hazardous.
WARNING: Gas-fired appliances are not
designed for use in hazardous atmospheres containing
flammable vapors or combustible dust, in
atmospheres containing chlorinated or halogenated
hydrocarbons, or in applications with airborne
silicone substances. See Hazard Levels, Page 2.
GENERAL
Installation should be done by a qualified agency in accordance with the in-
structions in this manual and in compliance with all codes and requirements of
authorities having jurisdiction. The instructions in this manual apply to the
heater models shown below.
Model Characteristics
TR Indoor, Gas-Fired,
Low-Intensity
Infrared Tubular
System, 0-2000 ft
(0-610M) elevation
TR-H Indoor, Gas-Fired,
Low-Intensity Infrared
Tubular System,
for 2001-8000 ft
(611-2438M) elevation
Table of Contents
FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. Don't touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.
APPLIES TO: INFRA-REZ
®
Heater Models TR/TR-H
Gas-Fired Tubular,
Radiant, Low-Intensity
Infrared Heater
INSTALLATION FORM RZ-NA-I-TR
Obsoletes Form 456 (Version B)
WARNING: Improper installation, adjust-
ment, alteration, service, or maintenance can
cause property damage, injury or death.
Read the installation, operation, and
maintenance instructions thoroughly before
installing or servicing this equipment.
Paragraph No. Page Paragraph No. Page
GENERAL ................................................................................................. 1
HEATER INSTALLATION............................................................... 1-21
1A. Installation Codes ............................................................................... 2
1B. Warranty .............................................................................................. 2
2. Description/General .............................................................................. 2
3. Specifications ........................................................................................ 3
4. Clearances to Combustibles ................................................................. 3
5. Location and Mounting Height .......................................................3-4
6. Uncrating/Packaging ............................................................................ 4
7. High Altitude Operation ....................................................................... 5
8. Suspension Dimensions and Preparation ........................................... 5
9. Prepare and Install Burner/Control Box and
Combustion Chamber Tube .........................................................6-8
10. Install the Heat Exchanger Tube(s), Tail Pipe
Tube, and Turbulator Strip ....................................................... 8-11
11. Install Reflectors (including Standard Reflectors, Optional
Side Shield, and Optional Reflector Gap and End Covers) ..... 12
12. Venting ........................................................................................ 13-17
13. Combustion Air ................................................................................ 17
14. Gas Piping and Pressures .......................................................... 17-19
15. Electrical Supply and Connections.......................................... 19-20
16. Check Installation and Start-Up ..................................................... 21
OPTIONAL EQUIPMENT - Field Installed ................................ 22-23
17. Optional Heat Exchanger Tubes ("U", "L", 5-ft) ......................... 22
18. Hanger Kit, Option CK11............................................................... 22
19. Turnbuckle Kit, Options CK12-18................................................ 22
20. Combustion Air Inlet Kit, Option DE2 ......................................... 23
21. Dual Vent Kit, Option CC5 ............................................................. 23
22. Optional Side Shield, Options CD13-20....................................... 23
23. Optional Reflector Gap and End and Gap Covers ...................... 23
24. Multiple Heater Control, Options CL31 and 32 .......................... 23
25. Optional Unit-Mounted Thermostat Bracket Kit,
Option CM3 ................................................................................... 23
Index ......................................................................................................... 24
REFERENCES: Operation/Maintenance/Service Manual, Form RZ-NA-O-TR
Suspension Dimensions and Configuration Drawings Booklet, Form RZ-NA 607
Replacement Parts Manual, Form RZ-NAP-VR/TRP/TR
®
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Summary

GENERAL SAFETY AND MODEL INFORMATION

Safety Precautions

Essential safety guidelines including gas leak procedures and hazardous atmosphere warnings.

Model Characteristics

Description of TR and TR-H indoor infrared heater models and their elevation ratings.

HAZARD INTENSITY LEVELS AND SPECIFICATIONS

Hazard Intensity Levels

Classification of hazards based on severity for user awareness.

Installation Codes

Requirements for local building codes and national standards.

Warranty Information

Reference to limited warranty details provided separately.

Description and General Information

Overview of the infrared heater's design, components, and operation.

Specifications

Details on heater specifications and operating parameters.

HEATER CONFIGURATIONS AND CLEARANCES

BTUH;Length;Configurations

Heater sizes, lengths, and configuration options.

Gas Type and Supply Gas Pressure

Information on gas types and required supply pressures.

Electrical Characteristics

Electrical requirements for the heater unit.

Clearances to Combustibles

Required distances from the heater to combustible materials.

LOCATION AND MOUNTING HEIGHT (PART 1)

Safety Considerations

Safety factors for selecting heater location and mounting height.

Comfort Factors

How location affects occupant comfort and heat distribution.

Efficiency Factors

Factors influencing heating efficiency based on location and coverage.

LOCATION AND MOUNTING HEIGHT (PART 2)

Recommended Minimum Mounting Height

Recommended heights for different reflector positions and heater sizes.

UNCARTING AND PACKAGING

Burner;Control Box Carton Information

Describes packaging methods for burner/control boxes.

Tube Packaging Details

Information on heat exchanger tube packaging by part number.

HIGH ALTITUDE OPERATION

High Altitude Conversion Kits

Kits available to convert units for high altitude operation.

SUSPENSION DIMENSIONS AND PREPARATION

Suspension Point Requirements

Guidelines for supporting the heater structure and chain attachments.

BURNER;CONTROL BOX AND COMBUSTION CHAMBER TUBE PREPARATION AND INSTALLATION

Prepare Burner;Control Box

Steps to prepare the burner/control box based on installation conditions.

COMBUSTION AIR INLET COVER AND ASSEMBLY

Install Combustion Air Inlet Cover

Procedure for installing the combustion air inlet cover.

Assemble and Suspend Burner;Control Box and Combustion Chamber Tube

Steps for assembling and suspending the main heater components.

INSTALL HEAT EXCHANGER TUBES, TAIL PIPE, AND TURBULATOR STRIP

Identify Tubes and Parts

Identifying heat exchanger tubes, tail pipe, and associated hardware.

Suspend and Connect Tubes

Steps for suspending and connecting heat exchanger tubes and tail pipe.

CONNECTING TUBES AND TURBULATOR INSTALLATION

Connecting Tube Sections

Instructions for connecting various tube sections using hardware.

Install Turbulator Strip

Procedure for installing turbulator strip sections into heat exchanger tubes.

SYSTEM LENGTH AND TURBULATOR CONFIGURATIONS

Turbulator Section Quantity and Type

Table detailing turbulator sections needed for various system lengths and configurations.

Turbulator Installation Location

Guidance on where to install turbulator sections based on system setup.

TURBULATOR STRIP SUMMARY AND SYSTEM LEVELING

Turbulator Strip Requirements Summary

Summary of turbulator sections required for different configurations and elevations.

Leveling the System

Instructions for ensuring the system is level using turnbuckles or chains.

REFLECTOR INSTALLATION

Install Reflector Brackets

Steps for positioning and attaching reflector brackets to the tubes.

Install Reflector, Side Shield, and Retainers

Procedures for installing reflectors, optional side shields, and retainers.

Optional Reflector Gap and End Covers

Instructions for installing optional gap and end covers for reflectors.

Rotating Reflectors

Guidelines for angling reflectors on straight systems.

VENTING REQUIREMENTS

Vent Pipe Length and Diameter

Table showing vent lengths and diameters for different heater sizes.

Vent Pipe Type and Joints

Guidelines on vent pipe types (Category III/I) and joint sealing requirements.

Attach Vent Pipe to Heater

Instructions for attaching the vent pipe to the heater's tail pipe.

Vent System Support

Importance of supporting vent pipes to prevent stress from expansion/contraction.

VENT TERMINAL ARRANGEMENTS

Vertical Vent Terminal Arrangements

Illustrations and requirements for vertical vent terminations.

Vertical Vent Terminal;Air Intake Arrangements

Illustrations for vertical vents with fresh air intake considerations.

HORIZONTAL VENT TERMINAL CLEARANCES

Horizontal Vent Terminal Arrangements

Illustrations and requirements for horizontal vent terminations.

Horizontal Vent Terminal;Air Intake Arrangements

Illustrations for horizontal vents with fresh air intake considerations.

DUAL VENTING AND UNVENTED INSTALLATION

Dual Vent Terminal Arrangements

Diagrams for dual vent configurations for two heaters.

Unvented Installation Guidelines

Precautions and requirements for operating heaters without an outdoor vent.

COMBUSTION AIR AND GAS PIPING

Combustion Air Requirements

Guidelines for supplying combustion air from heated space or outside.

Confined Space Air Requirements

Air requirements for heaters installed in confined spaces.

Outside Combustion Air Inlet Pipe Length

Maximum lengths for outside combustion air inlet pipes based on size and elbows.

Gas Piping and Pressures

Requirements for gas supply piping and pressure specifications.

GAS SUPPLY SIZING AND PRESSURE TESTING

Sizing Gas Supply Lines

Tables for sizing gas supply lines based on capacity and pipe diameter.

Pressure Testing Supply Piping

Procedures for pressure testing the gas supply piping.

Gas and Electrical Connections

Diagram showing gas and electrical connection points.

GAS SUPPLY CONNECTIONS AND ELECTRICAL WIRING

Flexible Connector Pressure Drop

Pressure drop data for optional flexible gas connectors.

Manifold Pressure Settings

Guidelines for setting manifold gas pressure for operation.

Electrical Supply and Connections

Requirements for electrical grounding, wiring, and connections.

Control Thermostat Installation

Instructions for installing and connecting thermostats for heater control.

WIRING DIAGRAM AND OPERATING SEQUENCE

Wiring Diagram

Schematic illustrating the electrical connections and components of the heater.

Operating Sequence

Step-by-step procedure for starting up the heater unit.

CHECK INSTALLATION AND START-UP PROCEDURES

Pre-Start-Up Checks

Checklist for verifying installation compliance before initial operation.

Start-Up Procedure

Step-by-step guide for safely starting the heater for the first time.

Post Start-Up Checks

Actions to perform after initial start-up to ensure proper operation.

Critical Safety Reminder

Vital warning about combustion air and venting for safety.

OPTIONAL EQUIPMENT - HEAT EXCHANGER TUBES

Optional Heat Exchanger Tubes

Description of U, L, and 5-ft tubes for custom configurations.

Hanger Kit, Option CK11

Details on the chain and S-hook kit for heater suspension.

Turnbuckle Kit, Options CK12-18

Information on turnbuckle kits for leveling the heater system.

Combustion Air Inlet Kit, Option DE2

Kit for piping outside air for combustion.

OPTIONAL EQUIPMENT - VENTING AND CONTROLS

Dual Vent Kit, Option CC5

Kit for venting two heaters through a single terminal.

Optional Side Shield

Side shield for reduced clearance requirements on one side.

Optional Reflector Gap and End Covers

Covers to enhance reflector continuity and aesthetics.

Multiple Heater Control Options

Options for controlling multiple heaters from a single thermostat.

Optional Unit-Mounted Thermostat Bracket Kit

Kit for mounting thermostats directly to the burner/control box.

Thomas & Betts TR Specifications

General IconGeneral
BrandThomas & Betts
ModelTR
CategoryHeater
LanguageEnglish