Enerco HSU 75, HSU 45 Electrical Connections, GAS Supply Connection, GAS Supply to Unit Heater

Page 10

 

LINE VOLTAGE FIELD WIRING

 

UNIT

L1

BLACK

 

BLACK

N

WHITE

 

 

WHITE

EQUIPMENT

GROUND

BLACK WIRE WITH WHITE TAPE OR

WHITE WIRE WITHOUT TAPE

FIGURE 7

GAS SUPPLY CONNECTION

 

MANUAL

 

MAIN SHUT-OFF VALVE

 

(FURNISHED BY INSTALLER)

GROUNDED

 

JOINT UNION

 

1/8 NPT

GAS FLOW

PLUGGED TAP

 

DRIP LEG

 

FIGURE 8

GAS SUPPLY TO UNIT HEATER

MANUAL MAIN SHUT-OFF VALVE

WILL NOT HOLD NORMAL TEST

PRESSUREISOLATE GAS VALVE

CAP

UNIT HEATER

FIGURE 9

5.Test for spillage at the draft hood relief opening after five minutes of main burner operation. Use the flame of a match or candle, or smoke from a cigarette, cigar, or pipe.

6.After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above, return doors, windows, exhaust fans, fireplace dampers and any other gas-burning appliance to their previous condition of use.

7.If improper venting is observed during any of the above tests, the common venting system must be corrected. The common venting system should be resized to approach the minimum size as determined by using the appropriate tables in Appendix G in the current standards of the National Fuel

Gas Code, ANSI Z223-1 in the U.S.A. and the appropriate

Category I Natural Gas and Propane appliances venting sizing tables in the current standards of the CSA B149.1 Natural Gas and Propane Installation Code in Canada.

NOTE Local codes may supersede any of the above provisions.

ELECTRICAL CONNECTIONS

NOTE The MHU/HSU series unit heaters use a direct spark ignition system. There is no pilot necessary as the spark lights the main burner as the gas valve is turned on. The direct spark

WARNING

Electric shock hazard. Can cause injury or death. Do not use this heater if any part has been under water. Immediately call a qualified service technician to inspect the furnace and to replace any part of the control system and any gas control which has been under water.

WARNING

Danger of explosion. Can cause injury or product or property damage. If over- heating occurs or if gas supply fails to shut off, shut off the manual gas valve to the appliance before shutting off electrical supply.

WARNING

Electric shock hazard. Can cause injury or death. Before attempting to perform any service or maintenance, turn the electrical power to unit OFF at disconnect switch(es). Unit may have multiple power supplies.

WARNING

Danger of explosion and fire. Can cause injury or product or property damage. You must follow these instructions exactly.

Enerco Compact Unit Heater

10

Operating Instructions and Owner’s Manual

Page 9 Page 11
Image 10
Page 9 Page 11
Contents For Your Safety MR. HeaterHSU75LP Starting Serial NumbersContents General Hazard WarningTOP View MHU45/MHU75 and HSU45/HSU75 Unit DimensionsBack View Side View START-UP and Performance Check List Requirements CSA in the USA Garage InstallationsShipping Requirements CSA in CanadaVenting Unit Heater InstallationCombustion and Ventilation AIR General Recommendations and RequirementsRoof Flashing Roof Pitched Horizontal Venting GeneralVent Termination on Single Wall Vent Clearance Shall not be Athimble Concealed SpaceHorizontal Venting Residential Refer to for maximum vent connector lengthsHorizontal Venting Commercial Condensate Drain Through TEE Pipe and Drain LoopRemoval of Unit from Common Vent Venting Using a Masonry ChimneyHorizontal Venting Residential Installation Vent Termination CAP Listed Thimble Through Combustion WallGAS Supply Connection Line Voltage Field WiringElectrical Connections GAS Supply to Unit HeaterStart UP and Operation GAS ConnectionLeak Check Unit START-UPAdjustments Service Ladder Diagram Flue and Chimney Repair PartsElectrical Failure to OperateParts List See Back page for Parts Ordering InformationEnerco Compact Unit Heater Limited Warranty For Information Regarding ServiceParts Ordering Information Limitée Garantie Comman LA SUR OrmationsinfDœuvre-main Fabricant du directementCompacts chauffage de Appareils nercoE Listepiècesdes Laissée ÉTÉ a Colonne Cette Électrique CircuitVI Intentionnellement NE Lappareilpas IonneEscalier EN Iagrammed PANNEAUCOMMAN6À Nnecteurd SchémacâblageavecduappareilsdesCondu Uitd LimiteurCommutateur Lappareil RéglagesAGE Chau GazduVériicationf RobertshawSoupape LA Pour ET ÉmarragedonctionnementfChaude GAZ EN Alimentation AvertissementAvertissement Tension LA À Place SUR CâblageCheminée UNE Utilisant Ventilationf Horizontale Ventilation Rési InstallationMaçonnerie EN Commune VentilationHorizontale Ventilationd CommercialMilieu RésientieldHorizontale Ventilationc ET Commerciales InstallationsVentilationb VEN Wallt Single on Termination VentVentilation AGE InstallationET Combustiond Eair AtionsAéroned Garage UN ANS InstallationsHangars EXIGENCES.U-.É AUX SAPlan EN VUE HSU45/HSU75 ET MHU45/MHU75DENSIONS AppareilsdesLatérale VUE Arrière VUE 171 3/4-6 108 1/4-4 165 1/2-6 140 1/2-5 432 305Tablematièresdes AngercmmoAvertissement Elgénérale EDébut de série de Numéros Aver UFF P CHD EPour Reila AP

HSU 45, HSU 75 specifications

Enerco HSU 75 and HSU 45 are standout models in the realm of portable heating solutions, designed for efficiency and convenience. These units serve a range of applications, from construction sites to workshops, and even for personal use in outdoor settings. With their robust engineering and advanced features, they are ideal for anyone needing reliable warmth in cold conditions.

One of the main features of the Enerco HSU series is their impressive heating capacity. The HSU 75 offers a maximum output of 75,000 BTU, making it suitable for larger spaces, while the HSU 45 delivers 45,000 BTU, perfect for smaller areas. This flexibility allows users to choose the right model based on their specific heating needs.

Both models utilize a forced air heating system, which efficiently circulates warmth throughout the space. This technology ensures rapid heating, allowing for immediate relief from the cold, an essential feature in situations where time is of the essence.

Durability is another key characteristic of the HSU series. Constructed with heavy-duty materials, these units are built to withstand the rigors of demanding environments. The robust design makes them suitable for outdoor use, capable of enduring tough weather conditions without compromising performance.

Safety is paramount with Enerco heaters, and both the HSU 75 and HSU 45 come equipped with safety features such as automatic shut-off sensors and flame failure devices. These innovations give users peace of mind, knowing that the unit will operate safely even in unpredictable environments.

Portable design is a hallmark of these heaters, featuring built-in handles and a lightweight structure. This makes it easy for users to transport the units from one location to another, enhancing their versatility in use.

Finally, both models are compatible with various fuel sources, allowing for flexibility based on user preference and availability. Whether using propane or natural gas, users can enjoy efficient heating tailored to their requirements.

In conclusion, the Enerco HSU 75 and HSU 45 represent a perfect blend of power, safety, and portability. Their advanced features and durable build make them ideal companions for anyone needing dependable heat in diverse scenarios. With these units, warmth is always within reach, ensuring comfort regardless of the harshness of the outdoor conditions.
Top Page Image Contents