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Enerco HSU 75, HSU 45 MHU45/MHU75 AND HSU45/HSU75 UNIT DIMENSIONS, Top View, Back View, Side View

Models: HSU 45 HSU 75

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MHU45/MHU75 AND HSU45/HSU75 UNIT DIMENSIONS

MHU45/MHU75 AND HSU45/HSU75 UNIT DIMENSIONS

(N-NATURAL GAS, P-PROPANE)

HANGING

BRACKETSMOUNTING SLOTS (Typical) 5/16 x 3 Inches (8 x 76 mm)

AIR

FLOW

HEAT EXCHANGER

(ALUMINIZED STEEL)

DIMENSION	45	75


A	12 (305)	17 (432)

B	5-1/2 (140)	6-1/2 (165)

C	4-1/4 (108)	6-3/4 (171)

TOP VIEW

ELECTRICAL

INLETSHANGING

BRACKETS (2)

	DIRECT	FLUE	GAS		ADJUSTABLE
		OUTLET		SERVICE	LOUVERS
			INLET
	DRIVE FAN			ACCESS PANEL


		BACK VIEW			SIDE VIEW

		START–UP AND PERFORMANCE CHECK LIST
	Job Name:___________________________________________		Job No.:_______________________________________		Date:_______________________________________
	Job Location:_________________________________________		City:__________________________________________		State/Province:_______________________________
	Installer:_____________________________________________		City:__________________________________________		State/Province:_______________________________
	Unit Model No.:______________________________________		Serial No.:_____________________________________		Service Technician:____________________________

Electrical Connections Tight?________________________________________________		Flue Connections Tight?___________________________________________________
Supply Voltage____________________________________________________________		Fan Timer Operation Checked?_____________________________________________
Gas Piping Connections Tight & Leak-Tested?___________________________________		THERMOSTAT
Motor Amps_____________________________________________________________		Calibrated?_____________________________________________________________
Furnace Btu Input_________________________________________________________		Heat Anticipator Properly Set?
Line Pressure_____________________________________________________________		Level?__________________________________________________________________
Manifold Pressure w.c._ ____________________________________________________

Enerco Compact Unit Heater	4	Operating Instructions and Owner’s Manual

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Enerco HSU 75, HSU 45 operating instructions MHU45/MHU75 AND HSU45/HSU75 UNIT DIMENSIONS, Top View, Back View, Side View

Contents

HEATSTAR MR. HEATERCOMPACT UNIT HEATER MHU45NG CONTENTS GENERAL HAZARD WARNINGKEEP SOLID COMBUSTIBLES, SUCH AS BUILDING OPERATE THIS HEATERMHU45/MHU75 AND HSU45/HSU75 UNIT DIMENSIONS TOP VIEWBACK VIEW SIDE VIEWSHIPPING REQUIREMENTS - CSA IN THE USAREQUIREMENTS - CSA IN CANADA GARAGE INSTALLATIONSCOMBUSTION AND VENTILATION AIR VENTINGUNIT HEATER INSTALLATION A - GENERAL RECOMMENDATIONS AND REQUIREMENTSC - HORIZONTAL VENTING - GENERAL VENT TERMINATION ON SINGLE WALL VENTD - HORIZONTAL VENTING - COMMERCIAL E - HORIZONTAL VENTING - RESIDENTIALCONDENSATE DRAIN THROUGH TEE PIPE AND DRAIN LOOP Recommendations and RequirementsHORIZONTAL VENTING - RESIDENTIAL INSTALLATION F - VENTING USING A MASONRY CHIMNEYG - REMOVAL OF UNIT FROM COMMON VENT ELECTRICAL CONNECTIONS LINE VOLTAGE FIELD WIRINGFIGURE GAS SUPPLY CONNECTION FIGURE GAS SUPPLY TO UNIT HEATERGAS CONNECTION LEAK CHECKSTART - UP AND OPERATION UNIT START-UPADJUSTMENTS TO TURN OFF GAS TO UNITHEATING SEQUENCE OF OPERATION IGNITION CONTROL LEDSERVICE LOUVER VANE ADJUSTMENTSCOMBUSTION AIR PRESSURE SWITCH FLAME ROLLOUT SWITCHWIRING SCHEMATIC FOR UNITS WITH 6-PINCONNECTOR GCI-3A23L53 CONTROL BOARDLADDER DIAGRAM BLUE FLAMEREPAIR PARTS ELECTRICALFLUE AND CHIMNEY FAILURE TO OPERATEPARTS LIST SEE BACK PAGE FOR PARTS ORDERING INFORMATIONEnerco Compact Unit Heater MR. HEATER PARTS ORDERING INFORMATIONHEATSTAR HEATER .MR AVERTISSEMENTHEATSTAR COMMAN LA SUR ORMATIONSINFcompacts chauffage de Appareils nercoE LISTEPIÈCESDES QUANTITÉARTICLEN ARTICLENÉLECTRIQUE CIRCUIT VI INTENTIONNELLEMENTLAISSÉE ÉTÉ A COLONNE CETTE NE LAPPAREILPAS IONNEESCALIER EN IAGRAMMED 60006HSU75NG HSU75LPET ENTRETIEN LIMITEURCONDU UITDCHAU LAPPAREILGAZDU ALTITU HAUTE ENROBERTSHAW SOUPAPE LA POURVÉRIICATIONF ET ÉMARRAGEDONCTIONNEMENTFÉLECTRIQUES BRANCHEMENTS AVERTISSEMENTAVERTISSEMENT MAÇONNERIE EN CHEMINÉE UNE UTILISANT VENTILATIONFCOMMUNE VENTILATION LA DE APPAREIL DUN RETRAIT - GCOMMERCIAL MILIEUHORIZONTALE VENTILATIOND RÉSIENTIELDET COMMERCIALES INSTALLATIONS VENTILATIONBVEN WALLT SINGLE ON TERMINATION VENT ENTIELLESRÉSIDINSTALLATION ATIONSVENTILATIOND E RECOMMAN ET EXIGENCESAEXPÉ ITIOND INSTALLATIONSHANGARS AÉRONEDHSU45/HSU75 ET MHU45/MHU75DENSIONS APPAREILSDES LATÉRALE VUEARRIÈRE VUE PLAN EN VUEAVERTISSEMENT AVERTISSEMENTANGERCMMO AVERTISSEMENTHSU75LP HSU75NGHSU45LP HSU45NGTER HE .MR ACT COM AGEto u TISSEMENT UFF P