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Summary of Contents for Lanair DUCTABLE DHI-300
- Page 1 DHI-300 DUCTABLE WASTE OIL HEATER Installation and Operating Instructions Listed MH 14518 (N) Lanair Waste Oil Heaters & Boilers 4109 Capital Circle Janesville, Wisconsin 53546 608-752-1601 www.lanair.com...
- Page 2 • Check each component for visible damage. If you find a damaged component, contact a Lanair Service Representative for a replacement. Do not install broken or damaged parts. • This heater is designed to provide economically and environmentally friendly disposal of waste oil.
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Page 3: Table Of Contents
Sec.16 Burner Reference Diagram ........... . page 51 Visit our website at: www.lanair.com... - Page 4 Section 1 - General Specifications & Hazards DHI Series Burner NOTE: This burner intended for use with DHI 300 Lanair Waste Oil-Fired Heater Only Burner Assembly- Description Performance Ratings Mounting Plate Ignitor Transformer Voltage ..... . 115 vac Fuel Line Inlet Cycles .
- Page 5 Section 1 - General Specifications & Hazards Description 8" Chimney Exhaust Mounting Holes Fan Hi-Limit Switch Flame View Port Burner Assembly Electrical Power Box Electrical Panel Access Clean-Out Port Access Panel Blower Assembly Visit our website at: www.lanair.com...
- Page 6 Section 1 - General Specifications & Hazards DHI-300 FRONT DIMENSIONS: DHI-300 Height: 61” Width: 43” Depth: 47” Weight: 370 LBS FIRING CAPACITIES: DHI-300 Nozzle @ 1.86 gallons/hour, No. 2 fuel oil QUESTIONS?... Contact Customer Service at 1-800-753-1601 M-F 8:00 am- 4:15 pm CST...
- Page 7 Section 1 - General Specifications & Hazards Blower Moter Assembly 8" exhaust Power Box Fan Hi-Limit switch Electrical Access Panel Clean Out View port Access Panel LEFT SIDE FRONT Burner Assembly REAR RIGHT SIDE Visit our website at: www.lanair.com...
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Page 8: Sec
Section 1 - General Specifications & Hazards OPTIONAL J-PUMP Pump Assembly- Description Pump Platform Performance Ratings Pump Motor Voltage ..... . 115 vac Pump Guard Cycles . -
Page 9: Sec
Used Automatic Transmission Fluid No. 1 and No. 2 Fuel Oils • The Lanair Heater provides the owner with a dependable, versatile and simple means of burning No. 1 and No. 2 fuel oils, 5W through 50W used crankcase oils, and used auto- matic transmission fluids. -
Page 10: Heater Installation
Section 2 - Heater Installation TYPICAL INSTALLATION: HEATER/CHIMNEY PACKAGE Through the wall installation Figure 1 1. Chimney Cap 7. Burner 13. By-pass Regulator 2. Chimney Pipe 8. Blower Assembly 14. Oil Strainer 3. Clean-out Tee 9. Secondary Air Regulator 15. Pump Assembly 4. -
Page 11: Sec
7. Use 3/8” steel threaded rod to suspend the heater from a capable load carrying ceiling structure when not using the Lanair Waste Oil Storage Tank. 8. The heater must be suspended level for proper operation. A heater that is not level could cause a hazardous situation in which personal injury or property damage may result. -
Page 12: Chimney /Vent System
Section 3 - Chimney/Vent System Figure 2 - Typical Chimney Installation NOTE: Class "A" compo- nents require a 2" clear- ance from combustible materials. All other chimney components require a minimum 18" clearance from com- bustible materials General Requirements 1. Safe operation of any gravity vented heating appliance requires a proper air make-up system to prevent the heater exhaust gases from being drawn into the building. -
Page 13: Sec
16. The chimney must be capable of producing a negative -.02 W.C. draft when cold and - .06 W.C. draft when hot. Refer to Section 5 Draft Instructions. Refer to Section 3.10 for typical Chimney Installation. Visit our website at: www.lanair.com... - Page 14 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”...
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Page 15: Draft
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. -
Page 16: Sec
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. -
Page 17: Fuel Supply Pump/Piping
1”The use of smaller line, or rubber, plastic or hydraulic line is unsafe and will void your warranty. 13. Do not allow the fuel level in the tank to cover the return line. Visit our website at: www.lanair.com... -
Page 18: Sec
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 diame- ter copper tubing. -
Page 19: Sec
9. Open all air shut off valves, and set the primary air regulator at 30 PSI. 10. Set the air filter/regulator on the front of the furnace to 15 LBS. See illustration below (Fig. 5) for a typical air pressure supply installation. Figure 5 Visit our website at: www.lanair.com... -
Page 20: Electrical Connections/Wiring Diagram
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 circuit. -
Page 21: Sec
Section 8 - Electrical Connections Figure 7 Visit our website at: www.lanair.com... - Page 22 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.
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Page 23: Controls
The Air Filter/Regulator performs two functions: It removes condensation and dirt from the air. and it controls the amount of air pressure reaching the nozzle and air operated fuel valve. The Air/Filter Regulator is mounted on the cabinet near the burner. Visit our website at: www.lanair.com... - Page 24 Section 9 - Controls • 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.
- Page 25 (no air bubbles) of fuel to flow into the container for several minutes. This will flush any debris from the fuel line that could potentially plug the nozzle. The vacu- um gauge reading should not exceed 5” HG of vacuum. Visit our website at: www.lanair.com...
- Page 26 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.
- Page 27 14. Adjust the burner air filter/regulator to 15 PSI, and the primary air regulator to 30 PSI. NOTE: 15 PSI on the air filter/regulator is the starting point, you may need to adjust from there when VISUALLY SETTING THE FLAME (See page 29-31, flame adjustment). Visit our website at: www.lanair.com...
- Page 28 Section 11 - Burner Start-Up Procedure 15. Adjust the fuel pressure gauge on the left side of the burner to read. No. 1 & No. 2 Fuel Oil Approved Waste Oil Model DHI-300 4.5 (4-1/2) LBS. 5-6 LBS. NOTE: Adjust the thumb screw on the fuel bypass regulator clockwise to increase pressure, and counter clockwise to decrease pressure to the burner.
- Page 29 100 percent accurate, VISUAL INSPECTION OF THE FLAME IS REQUIRED in order to properly dial in the flame settings, see page 30. The combustion air baffle is NOT combustion air baffle factory set Visit our website at: www.lanair.com...
- Page 30 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.
- Page 31 • Bright yellow in color. • Flame extends 3/4 into the chamber. • Flame is not impinging on the chamber walls. If you need assistance with flame adjustment, please call Lanair's Parts and Service Department. DO NOT OVER FIRE YOUR HEATER. IMMEDIATELY ADJUST THE BURNER TO THE PROPER FLAME LENGTH TO PREVENT DAMAGE TO YOUR HEATER.
- Page 32 Section 13 - Service / Maintenance DHI SERIES HEATER SERVICE / MAINTENANCE SCHEDULE ANNUALLY DAILY WEEKLY MONTHLY (Season Shut Down) • Shut off main power • Check fuel supply • Drain water/ anti- • Check combustion supply to heater. tank level (pre-strain freeze from the fuel chamber and heat all fuels).
- Page 33 Section 13 - Service / Maintenance Air Pre-Heater Tune -Up Kits (PN# 9870 & 9871) Required. Visit our website at: www.lanair.com...
- Page 34 Section 13 - Service / Maintenance Maintenance - Air Pre-Heater Remove Pre-Heater Assembly Ref. Part • Disconnect the air line from the Qty. Description brass fitting on the air pre-heater 9853 turbulator and then from 7004 set screw the air solenoid and remove. 9757 nozzle Heater 260/300 •...
- Page 35 • Replace diaphragm, o-ring and spring (see page 40) Hand tighten diaphragm assembly to air pre-heater block. NOTE: Do not over tighten. 12. Replace Ignitor Assembly (see page 40) 13. Service Oil Pre-Heater (see pages 36-37 for Annual Maintenance Instructions) Visit our website at: www.lanair.com...
- Page 36 Section 13 - Service / Maintenance Oil Pre-Heater Tune -Up Kit (PN# 9869) Required. Maintenance - OIl Pre-Heater Ref. Part Qty. Description 1. Separate Air Pre-Heater from Oil 8992 cartridge heater Pre-Heater 9813 pre-heater face plate • Remove o-ring and discard(10). 9869 hex cap screw * 9869...
- Page 37 • Reconnect the air line by connecting the one end of the air line to the air solenoid and the other end to the air fitting (see page 34). 9. Test Operation • Follow start-up procedure, page 26. Visit our website at: www.lanair.com...
- Page 38 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.
- Page 39 Adjust as required and secure the pre-heater assembly to the burn- er housing by tightening the adjustment screw on the side of the burner housing (see illustra- tion). Visit our website at: www.lanair.com...
- Page 40 Section 13 - Service / Maintenance Air Pre-Heater Diaphragm Replacement 1. Remove the four hex cap screws from the diaphragm assembly and o-ring discard. diaphragm 2. Disassemble and discard diaphragm, spring and o-ring . piston 3. Thoroughly clean remaining parts. 4.
- Page 41 4. Remove the gun/chamber doors from the heater by removing all of the screws. NOTE: SPRAY ALL OF THE SCREWS WITH PENETRATING OIL TO PREVENT BREAK- AGE. BEFORE REMOVING LET SET FOR FIVE MINUTES TO ALLOW THE OIL TO PENETRATE. REPLACE STRIPPED OR BROKEN SCREWS. Visit our website at: www.lanair.com...
- Page 42 6. Before replacing the gun/chamber access doors, replace the white gasket seals on the doors (contact the Lanair Service Department). When replacing the gaskets apply a light film of gasket adhesive to adhere the new gasket to the door. Lube the threads of the screws with a high temperature lubricant.
- Page 43 Re-assemble using new small plug, spring large plug, washer and diaphragm (Kit P/N 9874). small plug NOTE: Pay close attention to the posi- tions of the large and small plugs. spring large plug washer diaphragm body Visit our website at: www.lanair.com...
- Page 44 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: • Adjust the burner air regulator to -0- PSI. •...
- Page 45 • Check valve installed wrong or stuck. • Fuel contains gear lubes (use approved fuels only). Reading fluctuates (jumps). • Vacuum leaks in the suction side of the piping to the pump. • Low fuel level in the tank. Visit our website at: www.lanair.com...
- Page 46 Section 14 - Troubleshooting Burner fuel pressure gauge reading hints: Fuel gauge fluctuates (jumps): • Suction Line Leak. • Air in fuel, refer to Troubleshooting Chart Item B. • Quad ring seal for the nozzle may be damaged. • Seal in adapter block may be worn or damaged. •...
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Page 47: Sec.12 Flame Adjustment
29-31. defective Replace blower 9. Improper draft 9. Check draft see page 15. Make sure chimney is properly installed 10. Plugged heat exchanger, 10. Clean heater including or chimney manifold, chimney Visit our website at: www.lanair.com... - Page 48 Section 14 - Troubleshooting Symptom Possible Cause Corrective Action C. Burner fires, and then 1. Contaminated fuel supply 1. Drain and clean fuel fails on oil primary safety (water/anti freeze/gear lube) supply tank. Clean fuel or dirty fuel filter. filter (see page 37) 2.
- Page 49 Installation Notes: Visit our website at: www.lanair.com...
- Page 50 • Heater has not been installed or serviced in accordance to the installation / operating manual. • Alteration or misuse of any part • Use of parts other than those supplied by Lanair. NOTE: Lenan Corporation may require photographs of the heater installation for warranty...
- Page 51 Reset & Blower Snap Disk Solenoid Fuel Supply Pre-Heater Pre-Heater Block Adjustment Screw Pre-Heater Block Supply Oil Pressure Gauge Pre-Heater Switch View Port To Transformer To “F” Terminals To Oil Primary Cad Cell Burner Cover Visit our website at: www.lanair.com...
- Page 52 Lanair Waste Oil Heaters & Boilers 4109 Capital Circle Janesville, Wisconsin 53546 608-752-1601 www.lanair.com © 2006 Martrade LLC Lanair is a registered trademark of Martrade LLC P/N L44 REVISED 1-06...
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