Enerco HST45 Before YOU Begin, Unpacking the Heater, Introduction, Available Accessories

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BEFORE YOU BEGIN

Read this manual carefully before installing or servicing this equipment. Improper installation, servicing or maintenance will cause death, injury or property damage. Check the minimum required safe distances from combustibles given on the outside of each burner to make sure that the product is suitable for your application. The minimum required safe distances from combustibles is also found on page 9 of this manual. Installer must be a licensed contractor of representative. After the installation is complete, check product operation as provided in these instructions.

Unpacking the Heater

Manpower Requirements

To prevent personal injury and damage to the heater, two persons will be required to remove the heater from the carton. Both ends of the heater should be lifted from the carton at the same time. The burner box should be lifted by gripping the bottom of the box. The reflector end of the heater should be lifted using the rear moveable hanger.

Safety

Thin sheet metal parts, such as the reflector portion of the heater and the various venting components, have sharp edges. To prevent injury, the use of work gloves is recommended. The use of gloves will also prevent the transfer of body oils from the hands to the surface of the reflector.

Section 1 INTRODUCTION

About The Heater

The MHT/HST 45 is a factory-assembled, gas fired, low-intensity heating system. The system has been designed for easy installation and will provide years of economical operation and trouble-free service. Not only is infrared heat efficient, it also provides the most comfortable conditions in open areas, such as garages.

Gas-Firedmeans it uses clean-burning Natural or LP gas.

Low-Intensitymeans that the radiant surface of the heat exchanger tube does not glow red. Instead, it operates at a lower temperature (less than 1000 F) and radiates energy at a lower intensity per square foot of radiating surface. The lower temperature and intensity levels are within a range that is most effective in establishing and maintaining personal comfort levels. An aluminum reflector directs the radiant energy downward to the occupied area.

Radiant refers to the energy radiated by the tube heater. Because the energy is in the form of infrared rays, it does not directly heat the air. Instead, the rays heat objects such as the floor, cars, machines and people. The warm objects, in turn, heat the air. These combined features are the key to the exceptional comfort and fuel efficiency provided by the tube heater.

Available Accessories

Vent Kit (F102840)

1.(2) 3" x 2' Pipe 26GA.

2.(1) 36" x 3" B-Vent

3.(1) Gas Vent Top 3"

4.(1) Adj. Wall Thimble

5.(1) Storm Collar

6.(1) 3" Elbow

7.(1) Adj. Roof Flashing

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Enerco Group, Inc., Gas-Fired Low-Intensity Infrared Heater

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Operating Instructions and Owner’s Manual

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Contents MR. Heater Contents Introduction Available AccessoriesBefore YOU Begin Unpacking the HeaterRear View About The HeaterSide View End View Technical SpecificationsHeater Specifications Venting SpecificationsGas Service Requirements System Requirements Where can the heater be installed?Where can’t the heater be installed? Installer’s responsibilityVenting Requirements Electrical Service Requirements System RequirementsNon-residential Installations GroundingInstallation Materials InstallationSafety Equipment Installation ToolsMinimum Required Safe Distances from Combustibles Horizontal InstallationsTilted Installations General Guidelines ResidentialHeater Orientation Horizontal InstallationTilted Installation Hang the HeaterMHT / HST Heater Assembly Instructions Typical Installation Canadian Installations1 US Installations2Venting Basic Flue Venting Residential Only Vertical Through the Roof10 ft Venting/Ducting Roof PitchHorizontal Through the Sidewall Double Wall Vertical VentingSingle Wall Single wall vent run Single wall terminal endDirect Outside Air For Combustion Residential Electrical Service InstallationAir For Combustion Residential Outside Combustion Air SupplyGas Service Installation Install Gas Supply Lines120V-60Hz Supply Circuit Operation Use LP-resistant joint compound on all threadsHeater Maintenance Pre-Season Maintenance Operation of the HeaterProper Operating Flame Igniter does not Spark TroubleshootingReplace fuse or reset circuit breaker Replace blower motor Blower does not Come onBurner does not Stay LIT Burner does not LightIllustrated Parts Illustrated PartsMHT-45 HST-45 MHT /HST45 Tube Heater Operating Instructions