MPS 230S
PROPANE SMOKER
Manual applies to the following model number(s)
MB20053118, MB20053218, MB20053318
Your model number
Mfg. Date - Serial Number
These numbers are located on the rating label of the unit.
IMPORTANT
Please record this information immediately and keep in a safe place for future use.
Manual Code: 9805180005 180830-GSB
AGA certificate No. 8687 G
Master it. Masterbuilt.
CARBON MONOXIDE
HAZARD
Burning wood chips gives off carbon monoxide, which has no odor and can cause death.
DO NOT burn wood chips inside homes, vehicles, tents,
garages or any enclosed areas.
USE ONLY OUTDOORS where it is well ventilated.
DANGER
IF YOU SMELL GAS:
1.Shut off gas to the appliance.
2.Extinguish any open flame.
3.Open/remove door.
4.If odor continues, keep away from the appliance and immediately call your Fire Department.
WARNING 
This manual contains important information necessary for the proper assembly and safe use of the appliance.
Read and follow all warnings and instructions before assembling and using the appliance. Follow all warnings and instructions when using the appliance.
Keep this manual for future reference.
Failure to follow these instructions could result in fire, explosion or burn hazard which could cause property damage, personal injury, or death.
DANGER 
1.Never operate this appliance unattended.
2.Never operate this appliance within 10 feet (3.0m) of any structure, combustible material or other gas cylinder.
3.Never operate this appliance within 25 feet (7.5m) of any flammable liquid.
4.If fire should occur, keep away from appliance and immediately call your fire department. Do not attempt to extinguish an oil/grease fire with water.
STRUCTURAL PROXIMITY AND SAFETY USAGE RECOMMENDATIONS
Before using smoker check wind direction and place cylinder DOWNWIND 12” in upright position. This is necessary so that cylinder supply system is arranged for vapor withdrawal and prevent cylinder from striking unit if tipped.
WARNING: HOSE IS A
TRIP HAZARD THAT
COULD CAUSE SUPPLY
CYLINDER TO TIP
Overhead Construction
10 Feet
Rails
10 Feet
Walls
Wind Flow
12” (30.5cm)
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GENERAL WARNINGS AND SAFETY INFORMATION
READ ALL INSTRUCTIONS
•Always use unit in accordance with all applicable local, state and federal fire codes.
•Before each use check all nuts, screws and bolts to make sure they are tight and secure.
•Never operate unit under overhead construction such as roof coverings, carports, awnings, or overhangs.
•Unit is for HOUSEHOLD OUTDOOR USE ONLY.
•Never use inside enclosed areas such as patios, garages, buildings or tents.
•Never use inside or on recreational vehicles or boats.
•Maintain a minimum distance of 10ft (3m) from overhead construction, walls, rails or other structures.
•Keep a minimum 10ft (3m) clearance of all combustible materials such as wood, dry plants, grass, brush, paper, or canvas.
•Never use unit for anything other than its intended use. This unit is NOT for commercial use.
•Accessory attachments not supplied by Masterbuilt Manufacturing, LLC are NOT recommended and may cause injury.
•Use of alcohol, prescription or non-prescription drugs may impair user’s ability to properly assemble or safely operate unit.
•Keep a fire extinguisher accessible at all times while operating unit.
•When cooking with oil or grease, have a type BC orABC fire extinguisher readily available.
•In the event of an oil or grease fire do not attempt to extinguish with water. Immediately call the fire department.AType BC orABC fire extinguisher may, in some circumstances, contain the fire.
•Use unit on a level, non-combustible, stable surface such as dirt, concrete, brick or rock.An asphalt surface (blacktop) may not be acceptable for this purpose.
•Unit MUST be on the ground. Do not place unit on tables or counters. Do NOT move unit across uneven surfaces.
•Do not use unit on wooden or flammable surfaces.
•Keep unit clear and free from combustible materials such as gasoline and other flammable vapors and liquids.
•Do not leave unit unattended.
•Keep children and pets away from unit at all times. Do NOT allow children to use unit. Close supervision is necessary should children or pets be in area where unit is being used.
•Do NOT allow anyone to conduct activities around unit during or following its use until it has cooled.
•Never use glass, plastic or ceramic cookware in unit. Never place empty cookware in unit while in use.
•Never move unit when in use.Allow unit to cool completely (below 115°F (45°C)) before moving or storing.
•Store only when fire is completely out and all surfaces are cold.
•Never use unit as a heater (READ CARBON MONOXIDE HAZARD).
•The unit is HOT while in use and will remain HOT for a period of time afterwards and during cooling process. Use CAUTION. Wear protective gloves/mitts.
•Be careful when removing food from unit.All surfaces are HOT and may cause burns. Use protective gloves/mitts or long, sturdy cooking tools for protection from hot surfaces or splatter from cooking liquids.
•DO NOT bump or impact the unit to prevent personal harm, damage to unit or spillage/splashing of hot cooking liquid.
•Do not touch HOT surfaces
•Unit is hot during use. To avoid burns, keep face and body away from door, lid and vents. Steam and hot air are expelled during use.
•Air dampers are HOT while the unit is in use and during cooling; wear protective gloves when adjusting.
•Unit has an open flame. Keep hands, hair, and face away from burner flame. Do NOT lean over burner when lighting. Loose hair and clothing may catch fire.
•DO NOT obstruct flow of combustion and ventilation.
•Do not cover cooking racks with metal foil. This will trap heat and may cause damage to the unit.
•The installation of this appliance shall comply with the requirement ofAS/NZS 5601 and the local authority - gas.
•Before each use inspect gas hose for signs of damage.
•Keep fuel supply hose away from any heated surface.
•Keep fuel supply hose away from unit while in operation.
•Regulator and hose assembly supplied with unit MUST be used. For replacement parts, if needed, contact Customer Service at 1300 174 876.
•Use 20LB (9kgs) gas cylinder that has protective collar (cylinder not included with unit).
WARNINGS & IMPORTANT SAFEGUARDS CONTINUED ON PAGE 4
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GENERAL WARNINGS AND SAFETY INFORMATION
WARNINGS & IMPORTANT SAFEGUARDS
CONTINUED FROM PAGE 3
•Keep ventilation openings of cylinder enclosure free and clear of debris.
•LPgas cylinder being used must be constructed and marked in accordance with specifications for LPgas cylinders of the US Department of Transportation (DOT) or the Standard for Cylinders, Spheres and Tubes for the Transportation for Dangerous Goods, CAN/CSA-B339.
•Never use gas cylinder if there is evidence of dents, gouges, bulges, fire damage, erosion, leakage, excessive rust, or other forms of visible external damage. This may be hazardous and cylinder should be taken to a liquid propane supplier to be checked.
•Never attach/disconnect gas cylinder, move or alter gas fittings when unit is in operation.
•Always disconnect gas cylinder from unit when not in use.
•Propane only, 16.87MJ/h, inlet pressure 2.75kpa, injector orifice 1.15mm.
•This product will NOT operate with natural gas.
•When use is complete, always, first turn the burner control valve OFF, then turn the gas cylinder valve OFF, and finally disconnect the cylinder.
•Gas MUST be turned off at the supply cylinder when not in use.
•Cylinder MUST be stored outdoors, out of children’s reach and must NOT be stored in a building, garage, or any other enclosed area.
•Do NOT store spare LPgas cylinder under or near unit. Gas cylinder safety relief valve may overheat allowing gas to release causing fire which may cause death or serious injury.
•Never fill cylinder over 80% full or cylinder may release gas causing fire which may cause death or serious injury.
•Place a dust cap on cylinder valve outlet whenever cylinder is not in use. Only install dust cap provided with cylinder. Other caps or plugs may cause leaks.
•If you smell, hear or see gas escaping, immediately get away from gas cylinder and call the Fire Department. Fire may cause death or serious injury.
•Reference ignition steps before use.
•Never use lighter fluid with propane.
•Wood chips must be used in order to produce smoke and create the smoke flavor.
•Flame disk bowl/ wood chip tray/bowl is HOT when unit is in use. Use caution when adding wood.
•Check grease tray often during cooking. Empty grease tray before it gets full. Grease tray may need to be emptied periodically during cooking.
•Do not open upper smoker door(s) unless necessary. Opening smoker door(s) causes heat to escape, which may cause extended cooking time and may cause wood to flare up. Closing the door(s) will re-stabilize the temperature and stop flare up.
•This is a smoker. There will be a lot of smoke produced when using wood chips. Smoke will escape through seams and turn the inside of smoker black. This is normal. To minimize smoke loss around door(s), door latch(s) can be adjusted to further tighten door seal against body.
•To adjust door latch, loosen hex nut on door latch. Turn hook clockwise to tighten as shown. Secure hex nut firmly against door latch.
•When outside temperature is cooler than 65°F (18°C) and/or altitude is above 3,500 feet (1067m), additional cooking time may be required. To insure that meat is completely cooked use a meat thermometer to test internal temperature.
•Do not use wood pellets.
•Food needs to be in the center of smoking racks. This allows food drippings to go into the water bowl.
•Do not leave old wood or ashes in the flame disk bowl/woodchip tray/bowl. Once ashes are cold, empty bowl/tray. Bowl/tray should be cleaned out prior to, and after each use to prevent ash and residue buildup.
•Dispose of cold ashes by placing them in aluminum foil, soaking with water and discarding in a noncombustible container.
•Do not store unit with HOT ashes inside unit.
•DO NOT SPRAYAEROSOLS IN THE VICINITYOF THISAPPLIANCE WHILE IT IS IN OPERATION.
•DO NOT USE OR STORE FLAMMABLE MATERIALS IN OR NEAR THISAPPLIANCE.
•DO NOT PLACEARTICLES ON ORAGAINST THISAPPLIANCE.
•DO NOT MODIFYTHISAPPLIANCE.
•SERVICING SHALLBE CARRIED OUT ONLYBYAUTHORIZED PERSONNEL,AND THAT THEAPPLIANCE SHALLNOT BE MODIFIED.
SAVE THESE INSTRUCTIONS
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SMOKER OPERATION - READ & FOLLOWALL INSTRUCTIONS CAREFULLY
GETTING STARTED
• Pre-seasonunitpriortofirstuse.SeePRE-SEASONINSTRUCTIONS.
• Before starting the unit, see ADDING WOOD CHIPS OR CHUNKS.
CAUTION - All surfaces are HOT and may cause burns. Use protective gloves or long, sturdy cooking tools when loading/ unloading food or racks, and when adding wood chips or water.
PRE-SEASON INSTRUCTIONS
Curingyoursmokerwillridtheunitofchemicalsandoilsleftoverbythemanufacturingprocessallowingthemtoburnoff.
PRE-SEASONSMOKERPRIORTOFIRSTUSE.
1. Perform soapy water test, see SOAPY WATER TEST WARNINGS AND PROCEDURES.
2. Using a napkin or cloth, rub a light coat of cooking oil on smoking racks and inside smoker door. Make sure water pan is in place with NO WATER.
3. Fill wood chip tray with up to 1 cup (0.24l) of wood chips or chunks and light smoker. Close door.
4. Startsmokerandletthesmokerburnforabout1hour.Makesuretemperaturegetsupto350°F(177°C).
5. Allow unit to cool COMPLETELY.
6. Reapply light coat of cooking oil on smoking racks and inside of smoker door.
7. Restartsmokerandburnfor20minutes.
• Cure your smoker periodically to prevent excessive rust.
ADDING WOOD CHIPS OR CHUNKS
1.You may use dry or pre-soaked wood chips or chunks in your smoker. Dry chips or chunks will burn faster and produce more intense smoke. Chips or chunks pre-soaked in water (for approximately 30 minutes) will burn slower and produce a less intense smoke.
2.DONOTADDMORETHAN1CUP(0.24l)OFWOODCHIPSORCHUNKSATATIME.Neverusewoodpellets.
3.Placeadditionalwoodchipsorchunksinsmokerasneededtoachievedesiredsmokeflavor.
• Wood chips or chunks must be used in order to produce smoke and create the smoke flavor.
OPERATING INSTRUCTIONS
1. To start smoker see IGNITION INSTRUCTIONS.
2. Withprotectivegloveson,placewaterbowlinposition.Pour1inchofwater,juice,orvinegarintowaterbowl.Thiswilladdflavorand moisture to food and prevent it from drying out.
3 DO NOT cover racks with aluminum foil as this will not allow heat to circulate properly.
4.Pre-heat smoker for 30 to 45 minutes at max temperature before loading food.
5.Place food in the smoker, position on the center of the smoking rack.
6DO NOT overload smoker with food. Extra large amounts of food may trap heat, extend cooking time and cause uneven cooking. Leave space between food on racks and smoker sides to ensure proper heat circulation. If utilizing cooking pans, be sure pans do not cover morethan75%oftherackspaceandplacepansoncenterofracktoensureevencooking.
7.Forbestresults,rotateracksbetweenthetopandbottompositionsduringcooking.
8.Adjust smoker settings, control knob and air dampers, to desired cooking temperature.
•Closeallairdampersonunittoretainmoistureandheat.Ifcookingfoodssuchasfishorjerky, open air dampers to release moisture.
9.Ifwoodchipsorchunksdonotsmokeonlowsetting,increasetemperatureto275°. After8to10minutesorwhenwoodchipsor chunks begin to smolder, reduce temperature to desired low setting.
10.Usecautionwhencookingonwindydaystoensuretheflamedoesnotblowout. Ifyoususpectorexperienceaflameblowout,first openthedoortochecktheflameandfollowtheIGNITION INSTRUCTIONS to re-ignite the burner if needed. Adjust the burner control valvesettingforahigherflametopreventfurtherblowouts.
Never ignite smoker with the door closed.
11.Extreme cold temperatures may extend cooking times.
12.Once cooking is complete turn unit OFF, see IGNITION INSTRUCTIONS forturningoffunit,removethegascylinderandthenfollow CLEANING andSTORING INSTRUCTIONS.CLEANAFTEREVERYUSE.Thiswillextendthelifeofyoursmokerandpreventmold and mildew.
CLEANING and STORING INSTRUCTIONS
•ALWAYSMAKESUREUNITISCOOLTOTHETOUCHBEFORECLEANINGANDSTORING.
•Besuretocleansmokeraftereachuse. Makesurethegascylinderhasbeenturnedoffandremoved.
•For rack supports, racks, water bowl, and drip pan use a mild dish detergent. Rinse and dry thoroughly.
•For wood chip tray clean frequently to remove ash build up, residue and dust.
•Dispose of cold ashes by placing them in aluminum foil, soaking with water and discarding in a non-combustible container.
•For the interior, exterior and door seal of the unit simply wipe down with a damp cloth after each use to keep unit in proper working condition. Do not use a cleaning agent. Make sure to dry thoroughly.
•After cleaning, store smoker in a covered and DRY AREA.
•Storeonlywhenfireiscompletelyoutandallsurfacesarecold.
•When not in frequent use and using a cover, remember to check your smoker periodically to avoid possible rust and corrosion due to moisture buildup.
CHECK OUT MASTERBUILT.COM FOR MORE TIPS AND RECIPE VIDEOS.
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WARNING 
PERFORM “SOAPY WATER TEST” BEFORE EACH USE. SEE “SOAPY WATER TEST” SECTION IN MANUAL. EXTINGUISH ALL OPEN FLAMES BEFORE CONNECTING
REGULATOR TO GAS CYLINDER. TURN GAS OFF AFTER EACH USE.
SOAPY WATER TEST WARNINGS & PROCEDURES
WARNINGS
•Soapy Water Test MUST be performed each time gas cylinder is connected to burner/hose or each time it is used.
•Soapy Water Test MUST be performed outdoors in well ventilated area.
•When performing Soapy Water Test keep unit away from open flames, sparks or lit cigarettes.
•Never use an open flame to test for gas leaks.
PREPARATION:
•Remove any cookware and accessories from unit.
•Make sure gas cylinder valve and burner control knob are turned to the OFF position.
•Prepare soapy water solution: (1) part dish washing liquid (or more if desired), (3) parts water.
•Apply soapy water solution to gas cylinder valve, regulator and hose length up to burner control valve.
Apply solution to |
Apply solution to hose regulator |
gas cylinder valve |
and the full length of the hose |
Apply solution underneath control panel |
Failed test will present |
where burner and hose are connected |
bubbles as shown below. |
|
|
(Smoker shown on back for clarity only)
TESTING GAS CYLINDER VALVE:
•Turn gas cylinder valve ON and watch for bubbles. DO NOT LEAVE GAS ON MORE THAN 12 SECONDS. If bubbles appear, stop, turn gas cylinder valve OFF and retighten fitting. Repeat test.
TESTING REGULATOR AND HOSE:
•AFTER gas cylinder valve has passed Soapy Water Test, turn gas cylinder valve ON and check for bubbles at regulator location, along full length of hose and at burner control valve. DO NOT LEAVE GAS ON MORE THAN 12 SECONDS. If bubbles appear, stop, turn gas cylinder valve OFF and retighten the connection that is leaking gas. If hose is source of leak, STOP, do not use unit. Hose must be replaced.
•WHEN TEST IS COMPLETE,AND THEREARE NO LEAKS, WAIT MINIMUM OF 5 MINUTES FOR GAS FUMES TO DIMINISH BEFORE LIGHTING SMOKER.
DURING ANY PORTION OF SOAPY WATER TEST IF BUBBLES CONTINUE TO
APPEAR, STOP, DO NOT USE UNIT. CONTACT LOCAL PROPANE DEALER OR
CUSTOMER SERVICEAT 1300 174 876.
Note: Use 20LB (9kgs) gas cylinder that has a protective collar with this unit. Cylinder NOT included with this unit.
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