Sterling TF-300, TF-400, TF-150, TF-200, TF-350, TF-175, TF-250, TF-125 Table of Contents, Description

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TABLE OF CONTENTS

SPECIFICATIONS

 

VENTING

12, 13, 14, 15, 16

Basic Description

2

OPERATION

 

 

Performance & Specification Data

4

Explanation of Controls and Operation

.................. 17

GENERAL SAFETY INFORMATION

 

Main Burner Orifice Schedule

18

Installation Codes

2, 3

Adjustments

18, 19

Special Precautions

2, 3

TROUBLESHOOTING GUIDE

20, 21, 22, 23

INSTALLATION

 

MAINTENANCE

 

 

Locating Units

5, 6

Servicing & Cleaning

24

Combustion Air

5, 6

WARRANTY

25

Proper Clearances

5, 6

IDENTIFICATION OF PARTS

26, 27

Suspension of Units

5, 6

Replacement Parts

27

Gas Piping

7, 8

INSPECTION SHEET

28

ELECTRICAL CONNECTIONS

9, 10, 11

 

 

 

NOTICE: It is the equipment owners responsibility to provide any scaffolding or other apparatus required to perform emergency service or annual/periodic maintenance to this equipment.

DESCRIPTION

The Tubular Gas Fired Unit Heaters are a factory assembled, power vented, low static pressure type propeller fan unit heaters designed to be suspended within the space to be heated. THESE HEATERS ARE NOT TO BE CONNECTED TO DUCTWORK. The

Figure 1 - Tubular Propeller Unit Heater

designs are certified by ETL as providing a minimum of 80% thermal efficiency, and approved for use in California. Do not alter these units in any way. If you have any questions after reading this manual, contact the manufacturer.

See Identification of Parts throughout this manual.

The following terms are used throughout this manual, in addition to the ETL requirements to bring attention to the presence of potential hazards, or to important information concerning the product:

Indicates an imminently hazardous situation which, if not avoided, will result in death, serious injury, or substantial property damage.

Indicates an imminently hazard- ous situation which, if not avoided, could result in death, serious injury, or substantial property damage.

Indicates an imminently hazardous situation which, if not avoided, may result in minor injury or property damage.

NOTICE: Used to notify of special instructions on installation, operation, or maintenance which are important to equipment but not related to personal injury.

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Contents Tubular GAS Fired Direct Spark Propeller Unit Heaters Receiving InstructionsTable of Contents DescriptionGeneral Safety Information Dimensional Drawing Tubular Propeller Unit Heater Installation Installation Gas Pipe Size GAS PipingPipe Sizing Pipe Installation Gas Piping RequirementsElectrical Connections Low-voltage T Thermostat Wiring Single Stage Two StageThermostat Wiring and Location Electrical Connections Tubular Unit Sizes with Optional 2 Stage Ignition Venting Categories VentingVertically Vented Unit Heaters Category Horizontally Vented Unit Heaters Category Structure Termination LocationsVenting Venting Venting Shut Down OperationExplanation of Controls See Figure Main Burner Orifice Schedule Primary AIR Shutter AdjustmentGAS Input Rate Tubular Unit Heater High Altitude Deration Natural GAS Propane LP GASTubular Propeller Troubleshooting Guide Symptoms Possible Causes Corrective ActionRealign power ventor wheel Check for continuous 115v on terminal LED Status Indicates CHECK/REPAIR Never over oil the motor or premature failure may occur MaintenancePeriodic Service Limited Warranty Power Vented Tubular Propeller Unit HeatersHeat Exchanger Assembly Propeller PartsPower Venter Assembly Turbulator/High Limit LocationPRE-INSPECTION Information With power and gas offWith power and gas on General