Lanair MX300 User Manual

MX SERIES 250 MX SERIES 300 WASTE OIL HEATER Installation and OperatingInstructions®Lanair Products LLC4109 Capital CircleJanesville, Wisconsin 535461

Section 1 - General Specifications & HazardsVisit our website at: www.lanair.com 9DIMENSIONS:MX-250 Height: 36” Width: 46” Depth: 48” Weight: 63

Section 2 - Heater Install w/ Bypass Regulator10aClass “A” ChimneyBarometric Damper2-3 ft. away from heaterCeiling Hung8 ft. min.10 ft. max.Secondary

Section 2 - Heater Install w/ Metering Pump10bClass “A” ChimneyBarometric Damper2-3 ft. away from heaterCeiling Hung8 ft. min.10 ft. max.Secondary Air

Section 2 - Heater InstallationVisit our website at: www.lanair.com 11General Requirements1. Do not install the heater on a combustible surface of any

Section 3 - Chimney/Vent System12Class “A” ChimneyBarometric Damper2-3 ft. away from heaterCeiling Hung8 ft. min.10 ft. max.Chimney Connector10 foot m

Section 3 - Chimney/Vent SystemVisit our website at: www.lanair.com 13General Requirements (cont.)4. Install a U.L. listed barometric damper in the ch

Section 3 - Chimney/Vent SystemQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST1417. If you are unable to attain the

Section 4 - DraftVisit our website at: www.lanair.com 15a9570 By-Pass Regulator(included)8398 Vacuum Guage (included) 9807 Primary Strainer (included)

Section 4 - DraftVisit our website at: www.lanair.com 15b8398 Vacuum Guage (included) 9807 Primary Strainer (included)8662 Check Valve(included)(inclu

Section 5 - Fuel Supply Tank Installation16General Requirements1. The fuel supply tank and supply lines must be installed in accordance with the Natio

®BEFORE YOU BEGIN INSTALLATION...IMPORTANT Read and understand this manual completely before beginning installation.s This heater is for commercial an

Section 6 - Fuel Supply Pump/PipingVisit our website at: www.lanair.com 17General Requirements1. Mount the fuel supply pump in a horizontal position (

Section 6 - Fuel Supply Pump/Piping18Bottom View of the Aluminum Oil By-Pass RegulatorFigure 4QUESTIONS?... Contact Customer Service at 1-888-370-6531

Section 7 - Air Supply InstallationVisit our website at: www.lanair.com 19General Requirements1. Install an air pressure supply line connection to the

Section 8 - Electrical Connections20CAUTION: HAZARD OF ELECTRICAL SHOCK!!Main Electrical Installation1. All wiring must comply with the National Elect

Visit our website at: www.lanair.com 21aETIHWEULBBLACKETIHWETIHWELPRUPETIHWEGNAROREDETIHWETIHWBLACKWHITEWHITEPANSKSIDREMROFSNARTNOITSUBMOCREWOLBRETAE

Visit our website at: www.lanair.com 21bETIHWEULBBLACKETIHWETIHWELPRUPETIHWEGNAROREDETIHWETIHWBLACKWHITEWHITEPANSKSIDREMROFSNARTNOITSUBMOCREWOLBRETAE

Section 8 - Electrical Connections22Fuel Supply Pump Electrical Installation1. All wiring must comply with the National Electrical Code, State and Loc

Section 9 - ControlsVisit our website at: www.lanair.com 23s Room Thermostat:The room thermostat automatically controls the on/off operation of the he

Section 9 - Controls24s Electric Air Solenoid ValveThe Electric Air Solenoid Valve is controlled by the Oil Primary Control. It acts as a shut-offvalv

Section 10 - Priming The Fuel PumpVisit our website at: www.lanair.com 25Figure 8Remove two yellow wiresFigure 9Install jumper wirePriming The Fuel P

MX SERIES 250 WASTE OIL HEATER MX SERIES 300 WASTE OIL HEATER Installation and Operating InstructionsTable of Contents:Rules For Safe Installation and

Section 10 - Priming The Fuel PumpQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST2612. Turn the room thermostat bel

Section 11 - Burner Start-Up ProcedureVisit our website at: www.lanair.com 27Waste Oil Burner Start-Up1. Make sure the main electrical service for the

Section 11 - Burner Start-Up Procedure2815. When using the by-pass regulator adjust the fuel pressure gauge on the left side of theburner to read.NOTE

Section 12 - Flame AdjustmentVisit our website at: www.lanair.com 29Flame Adjustment1. Start the heater, let it run for at least 15 minutes to reach o

Section 12 - Flame Adjustment30Lift the inspection port cover on the front of the combustion chamber to observe the flame.The flame tips should extend

Section 12 - Flame AdjustmentVisit our website at: www.lanair.com 31CHECK FLAME DAILY (see page 30). ADJUST ACCORDINGLY!DO NOT OVER FIRE YOUR HEATER.

Section 13 - Service / MaintenanceQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST32DAILYs Check fuel supplytank lev

See pages 36-37 for requiredannual oil block maintenanceSection 13 - Service / MaintenanceVisit our website at: www.lanair.com 33123456793141518191022

Section 13 - Service / Maintenance34Maintenance - Air Pre-Heater 1. Remove Pre-Heater Assemblys Disconnect the air line from the brass fitting on the

Section 13 - Service / MaintenanceVisit our website at: www.lanair.com 35Maintenance - Air Pre-Heater (cont.)6. Clean all parts using a parts washers

Section 1 - General Specifications & HazardsQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST4No. Description1 Mou

Section 13 - Service / MaintenanceQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST366812795231467121012131411Oil Pre-

Section 13 - Service / MaintenanceVisit our website at: www.lanair.com 37Maintenance - Oil Pre-Heater (cont.)3. Clean Oil Pre-Heater Blocks Clean oil

Section 13 - Service / MaintenanceQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST38boltwashero-ringinlet 1” NPToutle

Section 13 - Service / MaintenanceVisit our website at: www.lanair.com 39Ignitor Replacement /Adjustment1. Disconnect power to the heater.2. Remove th

Section 13 - Service / Maintenance40Air Pre-Heater Diaphragm Breakdown1. Remove the four hex cap screwsfrom the diaphragm assembly 2. Disassemble and

Section 13 - Service / MaintenanceVisit our website at: www.lanair.com 41NOTE: ALWAYS WEAR EYE, FACE AND BREATHING PROTECTION AND PROTECTIVE CLOTHING

6. Use an industrial type canister vacuum cleaner with a high efficiency filter, or suitabletool. Failure to clean heat exchanger tubes annually wil

Section 13 - Service / MaintenanceVisit our website at: www.lanair.com 43Fuel By-Pass RegulatorSKIP THIS SECTION WHEN USINGTHE OPTIONAL METERING PUMPN

Section 14 - TroubleshootingQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST44Remove two yellow wiresWARNING: DO NOT

Section 14 - TroubleshootingVisit our website at: www.lanair.com 45s Install a jumper wire between the two F-F terminals. Be careful not to touch the

Section 1 - General Specifications & HazardsVisit our website at: www.lanair.com 5132222485679No. Description1 Adjustable Air Flow Louvers2 Mounti

Section 14 - Troubleshooting46Burner fuel pressure gauge reading hints:Fuel gauge fluctuates (jumps):s Water/Anti-freeze in fuel.s Leak in suction lin

Section 14 - TroubleshootingVisit our website at: www.lanair.com 47 noitcA evitcerroCesuaC elbissoP motpmySA. Burner will not start 1. Main electrica

Section 14 - Troubleshooting48 noitcA evitcerroCesuaC elbissoP motpmySC. Burner fires, and then 1. Contaminated fuel supply 1. Drain and clean fuel f

Return Guidelines and WarrantyQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST49Return GuidelinesWarranty Conditions1

Section 15 - WarrantyLanair Products LLC, MANUFACTURER, hereby warrants that any part of manufacturer’s product shall be free fromdefect in material a

Section 16 - Burner Reference DiagramVisit our website at: www.lanair.com 51Oil PressureGaugeManualReset &Snap DiskFuel SupplyPre-HeaterAdjustment

®© 2009 Lanair Products LLCLanair is a registered trademark of Lanair Products LLCPart # 5031REV. 21a11-16-10Lanair Products LLC4109 Capital CircleJan

Section 1 - General Specifications & HazardsQUESTIONS?... Contact Customer Service at 1-888-370-6531 M-F 8:00 am- 4:15 pm CST6MX-250/300 FRONTDIME

Section 1 - General Specifications & HazardsVisit our website at: www.lanair.com 7RIGHT SIDEMX 250-300LEFT SIDEMX 250-300TOP VIEWMX 250-30036"

Section 1 - General Specifications & Hazards8aPump Assembly-Pump Assembly for use with By-pass RegulatorPerformance RatingsVoltage . . . . . . .

8bPump Assembly-Performance RatingsVoltage . . . . . . . . . . . . . . . . . . . . . . 115 vacCycles . . . . . . . . . . . . . . . . . . . . . . . .