Enerco MHU 45, MHU 75 owner manual Enerco Compact Unit Heater

Models: MHU 45 MHU 75

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Mr. Heater / HeatStar • Compact Unit Heater • Model # MHU45/75 HSU45/75

Enerco Compact Unit Heater

Operating Instructions and Owner’s Manual

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Contents

COMPACT UNIT HEATER MR. HEATERHEATSTAR FOR YOUR SAFETYGENERAL HAZARD WARNING CONTENTSSIDE VIEW MHU45/MHU75 AND HSU45/HSU75 UNIT DIMENSIONSTOP VIEW BACK VIEWREQUIREMENTS - CSA IN CANADA GARAGE INSTALLATIONSSHIPPING REQUIREMENTS - CSA IN THE USAINSTALL UNIT HEATER UNIT HEATER INSTALLATIONCOMBUSTION AND VENTILATION AIR VENTINGVENT TERMINATION ON SINGLE WALL VENT C - HORIZONTAL VENTING - GENERALB - VERTICAL VENTS USING METAL VENT PIPE COMMERCIAL AND RESIDENTIAL INSTALLATIONSD - HORIZONTAL VENTING - COMMERCIAL E - HORIZONTAL VENTING - RESIDENTIALCONDENSATE DRAIN THROUGH TEE PIPE AND DRAIN LOOP F - VENTING USING A MASONRY CHIMNEY G - REMOVAL OF UNIT FROM COMMON VENTHORIZONTAL VENTING - RESIDENTIAL INSTALLATION ELECTRICAL CONNECTIONS FIGURE GAS SUPPLY CONNECTIONFIGURE GAS SUPPLY TO UNIT HEATER UNIT START-UP GAS CONNECTIONLEAK CHECK START - UP AND OPERATIONIGNITION CONTROL LED ADJUSTMENTSTO TURN OFF GAS TO UNIT HEATING SEQUENCE OF OPERATIONFLAME ROLLOUT SWITCH SERVICELOUVER VANE ADJUSTMENTS COMBUSTION AIR PRESSURE SWITCHHSU45NG LADDER DIAGRAMNOTE IFANYOFTHEORIGINALWIREASSUPPLIEDWITHTHE MHU45NGELECTRICAL PARTS LISTREPAIR PARTS COMBUSTION AIR BLOWEREnerco Compact Unit Heater FOR INFORMATION REGARDING SERVICE MR. HEATERHEATSTAR PARTS ORDERING INFORMATION