Enerco MHU 45 Ladder Diagram, Note Ifanyoftheoriginalwireassuppliedwiththe, MHU45NG, HSU45NG

Models: MHU 45 MHU 75

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WIRING SCHEMATIC FOR UNITS WITH 6-PIN CONNECTOR SCN-KWC CONTROL BOARD

APPLIANCEMUSTBEREPLACED,ITMUSTBEREPLACEDWITH WIRINGMATERIALHAVINGATEMPERATURERATINGOFATLEAST 105°C.

WIRE DIAGRAM

GAS FIRED UNIT HEATER DSI-IGNITION

Enerco Compact Unit Heater

Operating Instructions and Owner’s Manual

Image 13

Contents

HEATSTAR MR. HEATERFOR YOUR SAFETY COMPACT UNIT HEATERGENERAL HAZARD WARNING CONTENTSTOP VIEW MHU45/MHU75 AND HSU45/HSU75 UNIT DIMENSIONSBACK VIEW SIDE VIEWSHIPPING GARAGE INSTALLATIONSREQUIREMENTS - CSA IN THE USA REQUIREMENTS - CSA IN CANADACOMBUSTION AND VENTILATION AIR UNIT HEATER INSTALLATIONVENTING INSTALL UNIT HEATERB - VERTICAL VENTS USING METAL VENT PIPE C - HORIZONTAL VENTING - GENERALCOMMERCIAL AND RESIDENTIAL INSTALLATIONS VENT TERMINATION ON SINGLE WALL VENTE - HORIZONTAL VENTING - RESIDENTIAL D - HORIZONTAL VENTING - COMMERCIALCONDENSATE DRAIN THROUGH TEE PIPE AND DRAIN LOOP G - REMOVAL OF UNIT FROM COMMON VENT F - VENTING USING A MASONRY CHIMNEYHORIZONTAL VENTING - RESIDENTIAL INSTALLATION FIGURE GAS SUPPLY CONNECTION ELECTRICAL CONNECTIONSFIGURE GAS SUPPLY TO UNIT HEATER LEAK CHECK GAS CONNECTIONSTART - UP AND OPERATION UNIT START-UPTO TURN OFF GAS TO UNIT ADJUSTMENTSHEATING SEQUENCE OF OPERATION IGNITION CONTROL LEDLOUVER VANE ADJUSTMENTS SERVICECOMBUSTION AIR PRESSURE SWITCH FLAME ROLLOUT SWITCHNOTE IFANYOFTHEORIGINALWIREASSUPPLIEDWITHTHE LADDER DIAGRAMMHU45NG HSU45NGREPAIR PARTS PARTS LISTCOMBUSTION AIR BLOWER ELECTRICALEnerco Compact Unit Heater HEATSTAR MR. HEATERPARTS ORDERING INFORMATION FOR INFORMATION REGARDING SERVICE