® MXD SERIES 200 WASTE OIL HEATER Installation and Operating Instructions Lanair Products LLC 4109 Capital Circle Janesville, Wisconsin 53546 1-888-370-6531 www.lanair.
® BEFORE YOU BEGIN INSTALLATION... IMPORTANT Read and understand this manual completely before beginning installation. s This heater is for commercial and industrial use only. This unit is not intended for residential use. s This heater must be installed and/or inspected by a licensed heating contractor before operation. Installer should be trained and thoroughly familiar with the installation and operation of oil-fired heaters.
MXD SERIES 200 WASTE OIL HEATER Installation and Operating Instructions Table of Contents: Rules For Safe Installation and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2 Sec. 1 General Specifications and Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. page 4 Sec. 2 Heater Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . page 10 Sec.
Section 1 - General Specifications & Hazards 2 1 3 6 8 4 5 7 9 10 MXD 200 Series Burner 8 11 NOTE: This burner is intended for use with Lanair waste oil fired heaters only No. 1 2 3 4 5 6 7 8 9 10 11 Description Mounting Plate Ignitor Transformer Fuel Line Inlet Fuel Pressure Gauge Combustion Air Baffle View Port Oil Primary Safety Control Waste Oil/Fuel Oil Switch Quick Disconnect Receptacle Air Supply Inlet Combustion Blower Motor Burner AssemblyPerformance Ratings Voltage . . . . . . . . . .
Section 1 - General Specifications & Hazards 9 4 2 2 3 2 7 2 1 5 8 No. 1 2 3 4 5 6 7 8 9 Description Adjustable Air Flow Louvers Mounting Holes Fan Limit Switch Option Top Exhaust Flame View Port Burner Assembly Electrical Connections Cover Secondary Air Filter/Regulator Location Blower Assembly Visit our website at: www.lanair.
Section 1 - General Specifications & Hazards MXD-200 FRONT DIMENSIONS: MXD-200 Height: 24” Width: 40.25” Depth: 54” Weight: 460 LBS FIRING CAPACITIES: MXD-200 Nozzle @ 1.43 gallons/hour, No. 2 fuel oil/used crankcase oil QUESTIONS?...
Section 1 - General Specifications & Hazards 54” 16.5” TOP VIEW - MXD 200 4.5” 6” diameter pipe 5.5” 22.5” 40.25” 28.75” 53.75” 13.5” RIGHT SIDE - MXD 200 24” LEFT SIDE - MXD 200 8” 6” diameter pipe 24” Visit our website at: www.lanair.
Section 1 - General Specifications & Hazards 2 3 8 5 9 4 7 6 No. 1 2 3 4 5 6 7 8 9 Description Pump Platform Pump Motor Pump Guard Pump Pressure Gauge port Easy Flow Bleed Valve 1/4" NPT Inlet 1/8" NPT Outlet Pump coupler 1 Pump AssemblyPerformance Ratings Voltage . . . . . . . . . . . . . . . . . . . . . . 115 vac Cycles . . . . . . . . . . . . . . . . . . . . . . . . . . 60 hz Weight . . . . . . . . . . . . . . . . . . . . . . . . . 24 lbs Pump Motor . . . . . . . . . . . . . . . . . .
Section 1 - General Specifications & Hazards DIMENSIONS: MXD-200 Height: 24” Width: 40.25” Depth: 54” Weight: 460 LBS FIRING CAPACITIES: MXD-200 MXD-200 Nozzle @ 1.4 gallons / hour, Used crankcase oil Nozzle @ 1.4 gallons / hour, No. 2 fuel oil MINIMUM CLEARANCE TO COMBUSTIBLES: Top . . . . . . . . . . . . . . . . . . . . . . . 12” Sides . . . . . . . . . . . . . . . . . . . . . 24” Burner Side . . . . . . . . . . . . . . . 38” Front . . . . . . . . . . . . . . . . . . . . . 60” Chimney Connector . . .
Section 2 - Heater Installation TYPICAL INSTALLATION: HEATER/CHIMNEY PACKAGE Through the roof installation 1 Chimney Cap 3 ft. taller than any object within 10 ft. 2 Class “A” Chimney 3 4 5 6 10 ft. min. 7 8 Ceiling Hung 8 ft. min. 10 ft. max. 8 10 Barometric Damper 2-3 ft. away from heater 9 11 12 11 Secondary Air Regulator Chimney Connector 10 foot max. length 1/4” rise per foot of length 13 15 Fuel Line - 1/2” O.D.
Section 2 - Heater Installation Ductable Applications: 1. This unit is designed for outlet air ducting applications with .20 inch W.C or less static pressure. Existing louvers must be removed before attaching ductwork. This unit is not designed for a return air connection. A qualified heating contractor must design the ductwork for your installation. Existing ductwork may not meet the requirements of this furnace. General Requirements 1. Do not install the heater on a combustible surface of any kind.
Section 3 - Chimney/Vent System Chimney Cap 3 ft. taller than any object within 10 ft. NOTE: Class "A" components require a 2" clearance from combustible materials. All other chimney components require a minimum 18" clearance from combustible materials Class “A” Chimney 10 ft. min. Ceiling Hung 8 ft. min. 10 ft. max. Barometric Damper 2-3 ft. away from heater Chimney Connector 10 foot max. length 1/4” rise per foot of length Figure 2 - Typical Chimney Installation General Requirements 1.
Section 3 - Chimney/Vent System General Requirements (cont.) Barometric Damper Position 4. Install a U.L. listed barometric damper in the chimney. Do not reduce or enlarge the vent pipe. HORIZONTAL 5. Do not use more than one 90° elbow. Each 90° elbow equals a 10’ run of chimney. The maximum run for the chimney connector is 30’. VERTICAL 6. To prevent the drawing of exhaust gases into the building, keep the barometric draft control at least 24” from the heater, exhaust fan etc.. 7.
Section 3 - Chimney/Vent System 17. If you are unable to attain the proper draft, check for exhaust fans in the building. To test if there is a problem, open an overhead door and see if you now have the proper draft. You may have to add one or more sections of “Class A” chimney to the roof to get the proper draft. 18. The heater and chimney must be installed in accordance with all state and local codes. The heater must be installed in accordance with the specifications listed in this manual.
Section 4 - Draft The Lanair heater should have a (negative) -.02 draft reading when cold, and a (negative) -.06 when hot. Check the heater when it is running after 45 minutes. If the reading is not what it should be, adjust the barometric damper according to the instructions provided with the damper. The draft reading should be taken with a manometer. Consult your heating contractor, or a manometer can be purchased from the Lanair Customer Service Department .
Section 5 - Fuel Supply Tank Installation ! If using a Lanair supply tank follow instructions included with the tank. General Requirements 1. The fuel supply tank and supply lines must be installed in accordance with the National Fire Protection Association requirements, as well as State and Local ordinances. 2. Regulations require oil storage tanks located inside not too exceed 275 gallons individually, and are not to exceed a total capacity of 550 gallons in one building. Check State and Local codes.
Section 6 - Fuel Supply Pump/Piping General Requirements 1. Mount the fuel supply pump in a horizontal position (shaft horizontal) near the fuel supply tank. 2. The oil pump has a maximum suction lift of 14 feet. Suction lift is the length of pipe run from the bottom of the pick up strainer to the fuel supply pump. 3. The fuel pump/motor are intended for indoor use only. 4. The fuel pump contains an internal strainer that periodically needs to be cleaned.
Section 6 - Fuel Supply Pump/Piping 14. Install the fuel supply line from the fuel by-pass regulator (port B) to the inlet port on the left side of the burner using 1/2” inside diameter (.493) steel pipe, or 1/2” outside diameter copper tubing. The maximum distance of this line is 25 feet. The fuel supply line must be run below the burner at all times. If the fuel supply line runs above the burner it will create head pressure. This head pressure will over-fire the burner voiding the warranty. 15.
Section 7 - Air Supply Installation General Requirements 1. Install an air pressure supply line connection to the air filter/regulator on the rear of the heater. 2. The air supply source must be capable of producing 2.0 CFM @ 60 PSI. 3. Install a shut off valve in the air supply line for service. 4. Install a primary air filter/regulator with a gauge (capable of reading line pressure) in the air supply line prior to the air filter/regulator mounted on the furnace.
Section 8 - Electrical Connections ! CAUTION: HAZARD OF ELECTRICAL SHOCK! Main Electrical Installation 1. All wiring must comply with the National Electrical Code. State and Local Ordinances, and be wired by a qualified electrician. 2. Electrical service MUST BE CONNECTED TO TWO SEPARATE 20 AMP, 115 VAC, 60 HZ single phase circuits. 3. Electrical service connections are made in the electrical junction box on the side of the heater. 4.
ORANGE YELLOW WHITE BLACK MANUAL RESET SNAP DISK OIL PRIMARY WHITE BLACK BLACK AIR PRE-HEATER WHITE T1 T2 F1 F2 BLUE WHITE RED PRE-HEATER SWITCH WHITE WHITE TRANSFORMER COMBUSTION BLOWER OIL PRE-HEATER WHITE YELLOW BLUE (NOT USED) WALL THERMOSTAT BLACK RED ORANGE PURPLE WHITE WHITE WHITE AIR SOLENOID PUMP MOTOR LINE IN LINE IN LINE IN RED FAN LIMIT FAN / LIMIT CONTROL Honeywell BLACK WHITE RED CIRCUIT CUST.
Section 8 - Electrical Connections ! CAUTION: HAZARD OF ELECTRICAL SHOCK! Fuel Supply Pump Electrical Installation 1. All wiring must comply with the National Electrical Code, State and Local Ordinances, and be wired by a qualified electrician. 2. The electrical conductors to the fuel pump motor MUST be stranded 14 GA minimum. 3. The electrical service connections for the fuel pump motor are made in the electrical junction box on the side of the heater. 4.
Section 9 - Controls s Room Thermostat: The room thermostat automatically controls the on/off operation of the heater according to the setting of the desired room temperature. The thermostat works in conjunction with the oil primary safety control. s Oil Primary Safety Control/Cad Cell: The oil primary control is mounted on top of the burner’s electrical box.
Section 9 - Controls s Electric Air Solenoid Valve The Electric Air Solenoid Valve is controlled by the Oil Primary Control. It acts as a shut-off valve, (it’s open during operation, and closed when the burner is off ). The Electric Air Solenoid Valve is located inside of the burner’s electrical box. (See Page 51). s Air Operated Fuel Valve The Air Operated Fuel Valve controls fuel flow out the nozzle.
Section 10 - Priming The Fuel Pump Priming The Fuel Pump Figure 8 1. The fuel level in the supply tank must be above the check valve on the pick-up tube. 2. Remove the bowl of the suction line strainer, and fill with clean fuel. Replace the strainer bowl. 3. Remove the two yellow wires from the F-F terminal on the oil primary control. Install a jumper wire between the F-F terminals (see Figs. 8 & 9). 4. Adjust the air filter/regulator on the heater to 18 PSI. Remove two yellow wires Figure 9 5.
Section 10 - Priming The Fuel Pump 12. Turn the room thermostat below room temperature or “OFF”. The fuel supply pump will now stop. 13. Reconnect the fuel supply line to the burner. 14. Remove the jumper wire from the F-F terminals on the oil primary control, reattach the yellow cad cell wires. 15. Adjust the burner air filter/regulator to 18 PSI. 16. If the fuel supply pump prime, or fuel stream has air in it (spurting, fluctuating flow) there is likely a leak in the suction side of the plumbing.
Section 11 - Burner Start-Up Procedure Waste Oil Burner Start-Up 1. Make sure the main electrical service for the heater is turned off, and locked out. 2. Fill the oil supply tank with an approved fuel to a level that is above the pick-up tube check valve. 3. Check for proper draft in the chimney. The draft must read -.02 W.C. cold. 4. Make sure there is air pressure at the heaters air filter/regulator, set at 18 PSI. Set the primary regulator on the air supply line to 30 PSI. 5.
Section 11 - Burner Start-Up Procedure 15. Adjust the fuel pressure gauge on the left side of the burner to read. Model MXD-200 No. 1 & No. 2 Fuel Oil Approved Waste Oil 3.0-3.25 LBS. 2.5-2.75 LBS. NOTE: Adjust the thumb screw on the fuel bypass regulator clockwise to increase pressure, and counter clockwise to decrease pressure to the burner. The oil pressures listed above are a starting point, you may need to adjust from there when VISUALLY SETTING THE FLAME (See page 29-31, flame adjustment). 16.
Section 12 - Flame Adjustment Flame Adjustment 1. Start the heater, let it run for at least 15 minutes to reach operating temperature before proceeding. 2. Check the chimney draft, set the barometric damper to -.06 WC when hot and running. 3. Check the atomizing air pressure, set the air filter/regulator on the heater to 18 PSI as a starting point. 4. Check the fuel pressure gauge on the burner, set to: Model MXD-200 No. 1 and No. 2 Fuel Oil 3.0-3.25 LBS Used Crankcase Oil 10W-50 2.5-2.75 LBS 5.
Section 12 - Flame Adjustment ! NOTE: ALWAYS WEAR EYE, FACE AND BREATHING PROTECTION AND PROTECTIVE CLOTHING WHEN INSPECTING OR ADJUSTING FLAME. Lift the inspection port cover on the front of the combustion chamber to observe the flame. The flame tips should extend 3/4 of the way into the combustion chamber. When the unit is adjusted properly the ash inside the chamber will be white to off white. Flame tips touching the target brick (end of the chamber) will cause combustion chamber damage.
Section 12 - Flame Adjustment Problem: Too small a flame, similar to a blowtorch. 1. Too much atomizing air pressure. 2. Too much combustion air pressure. 3. Not enough fuel pressure. Solutions: 1. Correct fuel pressure setting. 2. Flame tips reach 3/4 of the way into the chamber. 3. Flame has slightly yellow/orange tips. 4. No black smoke coming from the chimney. 5. Ash inside the chamber is white to off white in color. Flame is full (Fig. 13). s Bright yellow in color.
Section 13 - Service / Maintenance MX SERIES HEATER SERVICE / MAINTENANCE SCHEDULE DAILY WEEKLY MONTHLY ANNUALLY (Season Shut Down) s Check fuel supply tank level (pre-strain all fuels). s Drain water/ antifreeze from the fuel supply tank. s Check vacuum gauge s Check the air presreading on suction sure setting on the line. See Section 19. primary air regulator. Set to 30 psi. s Check atomizing air pressure at the air fil- s Drain water from the ter/ regulator. Set to air pressure supply 18 psi.
Section 13 - Service / Maintenance See pages 36-37 for required annual oil block maintenance 23 2 3 4 6 5 22 8 7 10 9 11 12 16 13 14 17 18 19 15 20 Air Pre-Heater Breakdown 1 This entire pre-heater assembly is available. Part# 9812 (For a Tune-Up) Visit our website at: www.lanair.
Section 13 - Service / Maintenance Maintenance - Air Pre-Heater 1. Remove Pre-Heater Assembly s Disconnect the air line from the brass fitting on the air pre-heater and then from the air solenoid and remove. s Disconnect wiring from the oil preheater cartridge, air pre-heater cartridge and snap disc assembly in the wiring junction box. s Disconnect fuel line and fitting (6) from the oil block (5). s Disconnect fuel pressure gauge (8) and fitting from the oil block (5).
Section 13 - Service / Maintenance Maintenance - Air Pre-Heater (cont.) 6. Clean all parts using a parts washer s All passages must be thoroughly cleaned with a brush. 7. Replace Nozzle Assembly and Quad Ring s After cleaning air pre-heater assembly, blow dry. s Install new quad ring (4). Before inserting quad ring in air pre-heater block, a light coat of oil should be applied. NOTE: Make sure quad ring is properly seated in block before proceeding (see page 40 for clarification).
Section 13 - Service / Maintenance Oil Pre-Heater Breakdown 13 12 12 10 12 5 9 4 7 11 6 14 7 1 2 6 8 3 Maintenance - Oil Pre-Heater 1. Separate Air Pre-Heater from Oil Pre-Heater (10) s Remove o-ring 2. Disassemble Oil Pre-Heater s Remove six hex cap screws (3) from face plate (2). s Remove oil cartridge heater (1). s Remove four 13/16"OD o-rings (4). s Remove three plugs (12) from oil block (5) NOTE: Do not discard. s Remove hex cap screw (9) from inside oil pre-heater block and clean.
Section 13 - Service / Maintenance Maintenance - Oil Pre-Heater (cont.) 3. Clean Oil Pre-Heater Block s Clean oil pre-heater block using a parts washer and brush. NOTE: Make sure all passages are clean. s Blow dry the oil pre-heater block. inspect ALL passages making sure they are clear and clean. 4. Reassemble Oil Pre-Heater s Re-install four 13/16" OD o-rings (4). s Re-install cartridge heater. NOTE: Do not over-tighten. s Re-attach face plate (2) using six hex cap screws (3).
Section 13 - Service / Maintenance Cleaning Suction Line Strainer bolt The suction line strainer should be cleaned every 30 days of operation. The element is a washable metal element. If your waste oil is extremely dirty, this strainer may need to be cleaned more frequently. Your vacuum gauge will help you determine when the filter needs cleaning. The vacuum gauge reading should not exceed 5" HG of vacuum. If it does, the strainer needs cleaning. washer o-ring outlet 1” NPT inlet 1” NPT 1.
Section 13 - Service / Maintenance Ignitor Replacement / Adjustment 1. Disconnect power to the heater. 2. Remove the pre-heater assembly from the burner housing. Disassemble and clean all parts as instructed on pages 33-37. electrodes should extend approximately 1/8” beyond nozzle tip 3/8” 1/16” Side View 3. Using a 1/4" Allen wrench, carefully remove the one-piece ignitor from the air pre-heater. 4. Install a new one piece ignitor (P/N 3728) to the top of the air pre-heater.
Section 13 - Service / Maintenance Air Pre-Heater Diaphragm Breakdown 1. 2. 3. 4. Remove the four hex cap screws from the diaphragm assembly o-ring Disassemble and inspect diaphragm, spring and o-ring . Thoroughly clean remaining parts. Re-assemble the diaphragm, o-ring, spring and hex cap screws. diaphragm piston hex cap screws spring Air Pre-Heater Nozzle Cleaning / Replacement 1. 2. 3. 4. 5. 6. ! Periodic cleaning of the nozzle assembly may be required.
Section 13 - Service / Maintenance ! ! NOTE: ALWAYS WEAR EYE, FACE AND BREATHING PROTECTION AND PROTECTIVE CLOTHING WHEN INSPECTING OR CLEANING CHAMBER OR HEAT EXCHANGER. WARNING: DISCONNECT ALL ELECTRICAL POWER TO HEATER BEFORE SERVICING Cleaning Combustion Chamber/ Heat Exchanger 1.
Section 13 - Service / Maintenance ! CAUTION: THE CLEAN OUT PANEL MUST HAVE AN AIR TIGHT SEAL TO PREVENT EXTREME DAMAGE TO THE COMBUSTION CHAMBER ! CAUTION: TO AVOID BOLT BREAKAGE, DO NOT OVER-TIGHTEN 6. Use an industrial type canister vacuum cleaner with a high efficiency filter, or suitable tool. Failure to clean heat exchanger tubes annually will impair draft. Reaching through the burner opening, vacuum or shovel the ash from the combustion chamber. Inspect the combustion chamber and target brick.
Section 13 - Service / Maintenance Fuel By-Pass Regulator Diaphragm Replacement Fuel By-Pass Regulator Assembly adjusting screw locking nut cap 1. Disconnect power to the heater. 2. Remove the locking nut and adjusting screw from the by-pass regulator assembly. 3. Disassemble the by-pass regulator and discard the small plug, spring, large plug. washer and diaphragm. 4. Thoroughly clean and dry remaining parts. 5.
Section 14 - Troubleshooting Initial Diagnosis: When an operating problem occurs, a determination must be made whether or not the fuel pump is pumping a sufficient amount of oil that contains no air or water. Take these steps: s Adjust the burner air regulator to -0- PSI. s Turn pre-heater rocker switch off (red light off ). s Shut off oil supply line valve to the burner. s Remove the fuel supply line from the supply tank.
Section 14 - Troubleshooting s Install a jumper wire between the two F-F terminals. s Push reset button for 2 seconds. s Turn room thermostat up so that it calls for heat. s Disable the air operated fuel valve. s To activate the oil primary momentarily dis connect one end of the jumper wire on the F-F terminals. The burner will attempt to fire. IMPORTANT remove the jumper wire when testing is complete, and replace the cad cell wires. Do not run the heater with the cad cell wires disconnected.
Section 14 - Troubleshooting Burner fuel pressure gauge reading hints: Fuel gauge fluctuates (jumps): s Leak in suction line plumbing. s Water/anti freeze in fuel. s Air in fuel, refer to Troubleshooting Chart Item B. s Quad ring seal for the nozzle may be damaged. s Seal in adapter block may be worn or damaged. s Fuel pressure regulator seal leaking or dirty. s Suction line strainer plugged or dirty. Reading gradually decreases: s Fuel pump output decreasing. s Fuel viscosity decreasing.
Section 14 - Troubleshooting Symptom Possible Cause Corrective Action A. Burner will not start 1. Main electrical power circuit breaker tripped 1. Reset breaker 2. Service disconnect switch off or fuse blown 2. Turn switch on or replace fuse 3. Thermostat turned down/ improperly installed/ defective 3. Turn thermostat up, check wires/test components/replace 4. Oil primary safety tripped/defective 4. Reset/test components, replace if needed 5. Too much light showing on cad cell/defective 5.
Section 14 - Troubleshooting Symptom Possible Cause Corrective Action C. Burner fires, and then fails on oil primary safety 1. Contaminated fuel supply (water/anti freeze/gear lube) or dirty fuel filter. 1. Drain and clean fuel supply tank. Clean fuel filter (see page 38) 2. Improper draft 2. Check draft see page 15. Make sure chimney is properly installed 3. Plugged heat exchanger, manifold, or chimney 3. Clean heater including manifold and chimney 4. Wrong air pressure 4.
Return Guidelines and Warranty Return Guidelines 1. All returned merchandise must be unused and returned in the same new condition in which it was originally received, with all accompanying original packaging. Any items returned used, damaged in any way or with missing components will not be refunded. Return merchandise must be shipped freight prepaid. 2. All returns must be authorized by the Lanair Customer Service Department.
Section 15 - Warranty LANAIR 10 YEAR WASTE OIL HEATER COMBUSTION CHAMBER AND HEAT EXCHANGER LIMITED WARRANTY Lanair Products LLC, MANUFACTURER, hereby warrants that any part of manufacturer’s product shall be free from defect in material and workmanship under normal use according to the provisions and limitations herein set forth for a period of one (1) year provided same is returned (pre-paid) F.O.B. Janesville, Wisc. for inspection and warranty determination.
Section 16 - Burner Reference Diagram Manual Reset & Snap Disk Fuel Supply Oil Pre-Heater Block Air Supply Ignitor Air Solenoid To Combustion Blower Air Pre-Heater Block Electrical Quick Disconnect Pre-Heater Adjustment Screw Air Supply Oil Pressure Gauge View Port Pre-Heater Switch To Transformer To “F” Terminals To Oil Primary Cad Cell Burner Cover Visit our website at: www.lanair.
® Lanair Products LLC 4109 Capital Circle Janesville, Wisconsin 53546 1-888-370-6531 www.lanair.com © 2009 Lanair Products LLC Lanair is a registered trademark of Lanair Products LLC Part # 5032 REV.
