Central Boiler Classic CL 4030 Owner's Manual
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Central Boiler Classic CL 4030 Owner's Manual

Outdoor wood furnace
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WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
– Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch.
• Immediately call your gas supplier. Follow the supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
– Installation and service must be performed by a qualified installer, service agency or the gas supplier.
0117WH016S
IN THE U.S., THIS APPLIANCE
IS FOR NON-RESIDENTIAL
APPLICATIONS ONLY
OUTDOOR WOOD FURNACE
OWNER'S MANUAL
CL 4030
CL 5036
CL 6048
SAVE THESE
INSTRUCTIONS
TITANIUM
TITANIUM
TITANIUM
(p/n 9000961) - REV. A

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Summary of Contents for Central Boiler Classic CL 4030

  • Page 1 OUTDOOR WOOD FURNACE OWNER’S MANUAL CL 4030 TITANIUM CL 5036 TITANIUM CL 6048 TITANIUM WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. –...
  • Page 2 Central Boiler, Inc. • 20502 160th Street • Greenbush, MN 56726 CentralBoiler.com Central Boiler Classic Titanium models CL 4030, CL 5036 and CL 6048 outdoor hydronic heaters by Central Boiler are listed by OMNI-Test Laboratories to the applicable portions of the following standards: UL 2523-13 Solid Fuel-Fired Hydronic Heating Appliances, Water Heaters and Boilers, CSA B366.1-11 (R2015) Solid-Fuel-Fired Central Heating Appliance.

  • Page 3: Table Of Contents

    Central Boiler Online Resources . . . . . . . . . . . . . . . . . . .

  • Page 4: Central Boiler Online Resources

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL CENTRAL BOILER ONLINE RESOURCES Enter CentralBoiler.com in your browser or scan the code using any QR code reader app on your smartphone to access Central Boiler's library of information to help with installation, operation and maintenance of your Central Boiler outdoor furnace.

  • Page 5: Labeling And Terminology

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Labeling and Terminology The outdoor furnace and this guide use the following terms and symbols to bring attention to the presence of hazards of various risk levels and important information concerning the use and maintenance of the outdoor furnace. This symbol and text indicate an imminently hazardous situation which, if ignored, will result in death or serious injury.

  • Page 6: Important Precautionary Information

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Important Precautionary Information Be sure to read carefully and understand these precautions before, during and after the installation, operation and maintenance of the furnace. NOTE: All operations must be in accordance with local and state codes which may differ from the information in this manual.
  • Page 7 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL NOTE: Chloride or sulfurous gases can be generated if plastic or rubber is burned and will mix with the moisture from the wood and form hydrochloric or sulfuric acids in the firebox, creating For fire safety, keep all combustible materials at least six feet corrosion.

  • Page 8: Foundation

    Foundations may consist of concrete, crushed rock or patio blocks. Classic CL 6048 Classic CL 5036 Classic CL 4030 (Foundation Optional) (Foundation Optional) (Foundation Optional) 10"...

  • Page 9: Access To Ports On Outdoor Furnace

    Central Boiler dealer. NOTE: At least one circulation pump must run continuously to ensure proper operation of the outdoor furnace. Classic CL 4030/5036 – 1-Pump Configuration 1 - Pump Parts List* Return Side View Use a 1/2" x 1/8"...
  • Page 10 5926 PEX Pipe A Grounding Rod Kit (p/n 6593) **For 1-1/4" lines use p/n 5871. must be installed with every furnace. Central Boiler recommends installing swing check valves on the return 1330 lines to eliminate reverse flow. Swing Power disconnect shuts off all power Check including pumps.

  • Page 11: Ground Rod Kit

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Ground Rod Kit The outdoor furnace must be electrically bonded to ground in accordance with the requirements of the authority having jurisdiction or, in absence of such requirements, with the National Electrical Code, ANSI/NFPA 70 and/or the Canadian Electrical Code Part 1, CSA C22.1 Electrical Code.
  • Page 12 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Typical Installation Connecting to Water Heater and Forced Air Furnace Thermostatic Mixing Valve Heat Exchanger This horizontal assembly must not exceed a height of 4 inches (10 cm) above top Hot Supply of water heater. Plenum Water-to-Water Heat Exchanger...

  • Page 13: Outdoor Wood Furnace Best Burn Practices

    11" gasoline, rubber, naphtha, (28 cm) household garbage, material © 2011 Central Boiler Chimney Recommendations treated with petroleum products (particle board, railroad ties and In higher populated areas, extend the chimney to a height above the roofs pressure treated wood), leaves, of surrounding buildings.
  • Page 14 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL p/n 10508 Turn clockwise to lock. Clamp p/n 10509 and Screw p/n 3179 No Rope Seal Needed Use silicone to install the rope seal in the chimney. Rope Seal p/n 7632 p/n 4283 Clamp p/n 10509 and Screw p/n 3179 p/n 10853-011 p/n 10775...
  • Page 15 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL If extensions are added to the standard eight feet (2.4 m) of chimney, the chimney should be reinforced appropriately. The illustration shows chimney support recommendations when three or more sections are used. When adding sections of chimney, make sure that there is nothing within the fall zone of the chimney that could be damaged.

  • Page 16: Water Quality And Maintenance

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL WATER QUALITY AND MAINTENANCE Test Supply Water Test a sample of the supply water (makeup water) that will be used to fill the outdoor furnace (softened water is recommended). Test strips for testing pH SEE HOW IT'S DONE are included in the water test kit which is provided with the outdoor furnace.

  • Page 17: Immediately Start The Pump(S) And Heat The System Water To 185˚F (85˚C)

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Immediately Start the Pump(s) and Heat the System Water to 185˚F (85˚C) CAUTION Be sure the outdoor furnace is filled with water before firing. Never fire the outdoor furnace when the water level is more than 1" (2.5 cm) below the FULL mark on the sight gauge.

  • Page 18: Test The Treated System Water

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Test the Treated System Water After circulating the water in the system for at least 24 hours, test the treated system water for the recommended moly (at least 350 ppm) and pH level (between 8.0 and 9.5). CAUTION The water in the sight gauge may be hot.

  • Page 19: Check Status Of Water Sample

    No warranty claim can be approved unless the outdoor furnace registration and the acceptable levels of water treatment are on file at Central Boiler. NOTE: It is your responsibility as owner to ensure that your water sample information is accurate and that you submit your samples on a timely basis as required by the warranty for your stainless steel outdoor furnace.

  • Page 20: System Maintenance

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL SYSTEM MAINTENANCE An important part of outdoor furnace maintenance is controlling the quality of the water in the outdoor furnace. Water Test Kits and Test Results DATE pH LEVEL MOLY LEVEL Record the results of pH and Moly level tests in the table above. If additional space is needed, record on a separate sheet of paper.

  • Page 21: Flushing The System

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Flushing the System Draining Treated System Water MolyArmor 350 is composed of common If the system water is brown or orange, it is an indication that the corrosion materials. Molybdenum compounds inhibitor level has not been maintained correctly and corrosion is present in characterized as nontoxic in US Public the water jacket.

  • Page 22: Adding Antifreeze To Outdoor Furnace System

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL NOTE: ANY time water is added to the system, it is extremely important to bring the water temperature up to operating temperature (185˚F) as soon as possible, even if it is during the off-season. Failure to bring the water in the system up to operating temperature immediately after filling the system can allow bacteria present in the water to multiply, which may increase the potential for corrosion in the system.

  • Page 23: Wood Selection And Preparation

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Wood Selection and Preparation Before You Start Operating Your For the best results, it is best to burn seasoned split wood. However, it may be possible to burn some unsplit wood with the split wood depending on quality, Classic Outdoor Wood Furnace size, moisture content and wood type.

  • Page 24: Operating Instructions

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Operating Instructions Initial Fire Up - Start of Heating Season NOTE: These procedures apply to initial firing at the start of the heating season. CAUTION Do not burn plastic, garbage, treated wood or fuels not listed for this outdoor furnace. NOTE: Before firing the outdoor furnace for the first time, make sure the proper amount of MolyArmor 350 has been added and the water level is 1"...

  • Page 25: Filling The Firebox

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL CAUTION If the water in the outdoor furnace boils, be sure to check the water level and restore to full. Add MolyArmor 350 (p/n 2900630) as needed (see Water Quality and Maintenance). Outdoor Torch The optional Outdoor Torch (p/n The first time you fire the outdoor furnace, place dry kindling wood near 2900325) is an excellent tool for...
  • Page 26 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Unlatch the door; then stay as far away as possible as the firebox door is opened as smoke and hot gases escaping through the firebox door opening could ignite. From a safe distance, observe the fuel load. If necessary, clean the firebox of excess ashes and/or crusty deposits.

  • Page 27: Adding Heat Load

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL When adding wood to the firebox, be careful not to get pinched between the wood and the door frame or any part of the outdoor furnace. Use extreme care with large pieces of wood that may be difficult to handle. Close and secure the firebox door.

  • Page 28: Maintenance Schedule

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Maintenance Schedule PREVENTIVE MAINTENANCE SCHEDULE Regular maintenance and inspections can SERVICE INTERVAL help extend the life of your outdoor furnace and prevent high-cost repairs. This table is meant to serve as a general guideline until you become acquainted with how the outdoor furnace operates with your specific application.

  • Page 29: Control Locations

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Control Locations 3 Amp Fuse Power Disconnect Side Light Time Delayed Photoelectric Eye Temperature Controller Light Switch ROUTINE MAINTENANCE CAUTION Use only genuine Central Boiler Parts and Accessories if it ever becomes necessary to replace any component of the outdoor furnace. Routine inspections and maintenance are essential to the proper operation and longevity of the outdoor furnace.

  • Page 30: Maintenance Sections

    A hoe, ash rake and shovel for this procedure may be purchased from your Central Boiler dealer. Leave enough ashes and coals to relight the fire.
  • Page 31 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL CAUTION Always wear the appropriate personal protective gear when cleaning ashes from the firebox. Disposal of ashes - Place ashes in a metal container with a tight-fitting metal lid. It can take many days before the ashes are completely cooled. Other waste should not be placed in this container.
  • Page 32 Make sure the chimney restrictor is positioned 11" in from the end of the chimney tee as shown. 11" (28 cm) © 2011 Central Boiler Section 6 - Completely Remove Ash Remove all ashes from the firebox. CAUTION Always wear the appropriate personal protective gear when cleaning ashes from the firebox.
  • Page 33 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Each time the ashes are cleaned out, inspect the door rope (see Section 5) to make sure it is sealing properly. When cleaning the outdoor furnace, be careful not to spill any hot ash outside of the noncombustible container.

  • Page 34: Serviceable Items

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL SERVICEABLE ITEMS NOTE: These procedures should be performed by a qualified individual and in accordance with any and all federal, state/provincial and local codes and regulations. When performing work on an appliance observe all precautions in the literature, tags and labels attached to the appliance and other safety precautions that may apply.

  • Page 35: Light Bulb

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Remove all wood, coals and ash from the firebox and allow the outdoor furnace to thoroughly cool down before performing maintenance. Using a scraper, remove the firebox door seal rope and clean any remaining silicone adhesive from the groove. Any residue left in the groove will interfere with the new seal.

  • Page 36: Solenoid

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Replace the bulb. Ensure that the gasket is aligned correctly; then install the plastic cover and secure with two screws. SOLENOID Before replacing the solenoid, check the following items: • Check to be sure there is incoming power to the furnace. •...

  • Page 37: Replacing/Adjusting Solenoid

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL REPLACING/ADJUSTING SOLENOID Do not attempt service on the solenoid without first disconnecting the electrical power at the main power source. Remove the screws securing the draft enclosure cover; then remove the cover. CAUTION Solenoid may be hot. Carefully disconnect the two wire leads connected to the left side of the solenoid by gently pulling and moving them from side to side.

  • Page 38: Temperature Controller

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL NOTE: The solenoid mounting screws can be loosened to adjust the solenoid up or down until the correct gap is achieved. Loosen solenoid screws (if needed) to move solenoid up or down until correct gap is achieved Carefully attach the wire leads onto the solenoid terminals (white wire connected to the upper terminal).

  • Page 39: Water Temperature Sensor

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Slide each of the labeled wires into their proper positions on the controller; then tighten each of the screws securely. Place the inner door panel into position on the door and secure with the screws.

  • Page 40: Replacing Water Temperature Sensor

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL REPLACING WATER TEMPERATURE SENSOR Disconnect the electrical power at the main power source to the outdoor furnace; then open the control panel door. Remove the screws securing the access box panel; then remove the panel. Do not attempt service inside the electrical control panel without first disconnecting the electrical power at the main power source.

  • Page 41: Troubleshooting

    13. Poor water quality - Water with high amounts of solids, sand or dirt can create deposits inside the wall of heat exchanger components, reducing the amount of heat output. If this condition is suspected, contact your Central Boiler dealer.
  • Page 42 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL B. OUTDOOR FURNACE IS OVERHEATING Air entering through the door - Make sure the firebox door is properly latched and check the condition of the door rope. If it is not sealing properly (indicated by a uniform indentation in the rope), replace the rope.
  • Page 43 © 2018 Central Boiler Make sure the pump motor is installed in a horizontal position. The junction box must not be located below the pump motor. If necessary, remove the four screws and rotate the pump body.
  • Page 44 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL Excessive draft - If a very tall extension is added to the chimney, the increased draw through the draft may cause excessive wood consumption. Decreasing the draft opening may increase efficiency and reduce wood consumption. Supply and return line heat loss - If not using ThermoPEX, supply and return lines buried in a wet, low-lying area may cause a large heat loss that will greatly increase wood consumption.

  • Page 45: General Information

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL GENERAL INFORMATION Make note of these precautionary statements, also found on the outdoor furnace. WARNING AVERTISSEMENT Coupez l'alimentation Disconnect power before électrique avant d'enlever removing this panel. ce panneau. p/n 7000244 WARNING AVOID DAMAGE! BEFORE operating this appliance read manual and watch videos for proper operation and maintenance procedures.

  • Page 46: Furnace Measurements

    CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL FURNACE MEASUREMENTS FURNACE MEASUREMENTS CL 4030 43" 70" 53" 49" 53" 66" 144"* 3" 24" CL 5036 47" 79" 63" 51" 64" 76" 151"* 3" 24" CL 6048 59" 93" 73" 65" 74" 86" 163"* 3"...

  • Page 47: Wiring Diagrams

    From Side Access Box DOWN buttons are pressed at the same time or if no water to 185°F and start the pump(s) to circulate water in © 2020 Central Boiler buttons are pressed for one minute. the system. WARNING WARNING NOTE: When the OUT (output) light on the controller is lit, the Read the Owner’s Manual for more...
  • Page 48 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL NOTES...
  • Page 49 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL NOTES...
  • Page 50 CLASSIC OUTDOOR FURNACE • OWNER'S MANUAL NOTES...

  • Page 51: Water Sample Information - Titanium Series Models

    Collect Treated Water Sample How to Submit Water Sample for your Stainless O Two bottles are included in the manual packet or a Water Sample Kit can be ordered from your Central Boiler How to Submit Water Sample for your Stainless Outdoor F dealer which includes water sample bottles.
  • Page 52 If a failure of a warranty covered part occurs that is caused by a defect in workmanship or corrosion, at its option Central Boiler will (1) repair or replace (using new or refurbished replacement parts) the defective or failed part based on the date of original retail purchase at the following prorated scale: First –...

This manual is also suitable for:

Classic cl 5036Classic cl 6048

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