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28

Mini Boiler Owners Manual

2015

Carefully slide the entire burner assembly out of the

firepot.

Release the quick latches that hold the sections togeth

-

er. Be careful as to not damage the gasket between the

sections.

Slide the inner part of the burn pot out of the outer

sleeve.

Maintenance

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Summary of Contents for MB30 Series

Page 1: ...ered by the Renovator Pellet Burner Pellet Boiler WOODMASTER MINI BOILER Retain this manual Northwest Manufacturing Inc 600 Polk Ave SW Red Lake Falls MN 56750 www woodmaster com 800 932 3629 Manual PN 7994 890 Rev 2 6 Software V22 ...

Page 2: ...g Diagram 36 37 Troubleshooting 38 Warranty 39 42 Specifications 43 Thank you for purchasing a quality Mini Pellet Boiler from WoodMas ter This product was designed to deliver easy trouble free operation for years to come Check out other WoodMaster heating products at www woodmaster com or our line of quality pellet grills at www woodmasterpelletgrills com ...

Page 3: ... burner Testo 327 320 310 End Stop Replaceable plate at the end of the burn pot that prevents the pellets from falling off the burn pot Flame Guard A guard that prevents the flame from going up the intake chute Igniter A heating element that automatically ignites the pellets Tipping Chute The fuel inlet pipe on the Renovator Combustion Fan The fan that controls the air flow for combustion Temp Sen...

Page 4: ...el tank or any other part of the system Always keep the area around and in front of the system clean and free from combustible materials Keep animals away from the system The operation may not be continued or restarted in the event of visible damages for example thermal distortion traces of smoke or fire mechanical damages etc Any damages must be repaired In the event of any doubts please contact ...

Page 5: ...tem and provide a flue gas analy sis Failure to perform a flue gas analysis may void your warranty Emission Standards Visit the EPA Burnwise website http www epa gov burnwise index html for information on wood fuel fired appliances as well as a list of approved appliances Safety Standards Guardian info Solid Fuel Burner System Listed by Guardian Fire Testing Laboratories Inc Tested and listed to T...

Page 6: ...tion Low maintenance Built in burn back protection Central electrical location for ease of wiring Safety tested by Guardian to meet or exceed their standards for product quality safety Benefits of the Mini Boiler 1 Easy access ash door in front for quick and easy ash maintenance 2 Large ash box for longer intervals between cleaning 3 Eﬃcent heat transfer tubes 4 Easy access ﬂue tube clean out door...

Page 7: ...odMaster for any questions on fuel use Pellet Specifications Only premium wood pellets certified by the Pellet Fuels Institute may be used and must follow these guidelines Bulk density per cubic foot must be a minimum of 40 pounds The diameter is between 1 4 inch to 5 16 inch Maximum length is 1 5 inches Fines dust of not more than 0 5 by weight Sodium content shall be less than 300 parts per mill...

Page 8: ...of the water and fuel There should be ample room around your boiler to make loading and cleaning your boiler easier This area should also be clear of any easily combustible materials Minimum clearance requirements are 42 inches for the top 18 inches for the sides 24 inches for the back and 36 inches for the front of the burner when installed with more space recommended at the front of the boiler t...

Page 9: ... pressure should be between 12 and 20 PSI with a maximum working pres sure of 30 PSI Ensure that all lines and fittings used when plumbing the boiler are designed to be used in a pressurized system Plug Boiler Supply Water Flow Burner Temp Probe Boiler Return Drain Pressure Relief Valve Pressure Gauge Air Bleeder Air Bleeder Water Fill Drain 50 Gallon Water Tank WoodMaster part number 700 0210 Ret...

Page 10: ...ply and the relief valve Turn on the pump to circulate the water and to push the air out of the system Add water to the system as needed Routinely check to the water pressure level If the pressure is out of range add or remove water as needed The Use of boiler treatment is recommended The heat exchanger works on the same princi pal as your car heater Air blows through the heat exchanger taking the...

Page 11: ...must be installed as close to the boiler as possible A draft inducer may be used to ensure proper draft The chimney draw must be between 45 and 30 mbars 18 and 12 inches of water The chimney must follow all state and local codes The chimney should be installed by a qualified professional The chimney must be externally supported The chimney can not service any other appliance Wiring Note Be sure to...

Page 12: ...ere is a set screw on the ring of the bracket to lock the burner in position The set screw can be positioned on the top or on either side Remove the red cover from the burner Insert the burner into the bracket Do not install the burner to the maximum depth Leave a 1 5 inch gap between the mounting bracket and the body of the Renovator Tighten the four mounting bolts then make sure the burner is le...

Page 13: ...onnect all power during installation The black wire from the igniter is already connected to the relay along with two wires from the PLC There should be one open location on the relay this should be connected to the black wire from a 120v power source The white wire from the burner should be connected to a white wire from a 120v power source See the wiring diagram for complete wiring of the burner...

Page 14: ... moval for cleaning and maintenance A Power Switch B Fuse C Power lead in D To feed auger E To Temperature Sensor The protective cover on the burner cannot be removed with out disconnecting these cables Install the probe in a well on the supply line next to the boiler Make sure the probe set screw contacts the metal of the probe DO NOT clamp the probe by the wire this will damage the probe Contact...

Page 15: ...Attach the auger spiral to the motors output shaft Push the spiral as far as it can go onto the shaft then pull it back approx 3 8 to prevent binding Clamp the spiral in place by tightening the two bolts that hold the clamp in place Note The auger head may have a slightly different appearance than the one shown in the pictures Assembly of the auger will not change 2 Slide the T pipe onto the auger...

Page 16: ...ximately 280 pounds of pellets Northwest Manufacturing Inc recom mends using our pellet hopper to ensure proper fuel flow and to protect the pellets from the elements 5 Slide the inlet pipe over the auger tube The hole in the inlet pipe should be 180 degrees towards the outlet on the T pipe 6 Fasten the screw shown to lock the inlet pipe in place 7 Slide the blue tube to the outlet of the T pipe a...

Page 17: ...ttom of the side hopper Do not tighten the clamp on the boot at this time 4 Put the top on the hopper by securing the hopper top to the side hopper with the screws 6 provided Place the hopper in its location next to your Ultra Series boiler 5 Secure the boot to the intake auger tube with the clamps provided Apply the bottom boot to the end of the intake auger tube and secure it with the clamp Tigh...

Page 18: ...ately 280 pounds of pellets Northwest Manufacturing Inc recommends using our pellet hopper to ensure proper fuel flow Each part is numbered on the chart on the next page for reference 7 6 14 2 10 12 11 2 7 Install the adjustable feet into each of the four legs of the hopper Join the assembled side walls to the legs using the supplied screws The legs will be on the inside of the hopper with the ski...

Page 19: ...mbled put it in place next to the boiler The bottom is adjustable to allow for easy installation of the auger tube Assemble the bottom by securing the hopper boot to the adjustable bottom with a hose clamp Using the provided bolts and wash ers secure the bottom to the braces on the legs do not tighten the bolts until the auger is in place to allow for adjustments Proper Boot Alignment ...

Page 20: ... perform this installation the burner is shown off the boiler for reference only The location of the air line connector is below the com bustion fan on the left side Connect the supplied air hose to the air line connector on the burner 2 Unpack the air compressor Connect the adaptor fit ting to the outlet of the air compressor NOTE Thread sealant must be used in this connection 3 Connect the quick...

Page 21: ...e flue gas instrument used supports biomass fuels otherwise damage to the instrument may occur The target value for oxygen that you are trying to reach is O2 6 10 5 with The Ideal target being between 6 and 8 NOTE THE Boiler AND CHIMNEY WILL BE HOT DURING THIS TEST the O2 value is the average over a one hour continuous burn The value will fluctuate slightly during the dura tion of the burn It is r...

Page 22: ... to catch the pellets Insert the tube adaptor into the tipping chute when complete 2 Setting of screw on the amount of pellets at ignition A good start dose is approx 150 grams 5 25 ounces We recommend manually measuring the start dose The start dose is approx equal to the volume of an 8 5 oz cup 3 To adjust amount of fuel for operation a flue gas instrument must be used The proper adjustment is n...

Page 23: ... is adjustable between 100 and 400 grams and is the adjustment used when the burner is in Auto burning mode The MAX RUN TIME value is how long the burner will run before shutting down to self clean The default value shown is 3 hours If heat is still called for the burner will restart after the clean ing is completed You can also read the operation time of the burner and how many times it has start...

Page 24: ... will only ap pear if you have set up a level sensor in the pellet hopper If you do not have a level senor in the pellet hopper then a FUEL FAULT will occur See the troubleshooting section for further assistance Menu Ok HISTORY OF FAULTS IGNITION 00000 FUEL FAULT 00000 OVERHEATED 00000 1 2 3 4 Menu Ok NO PELLETS 1 2 3 4 Menu Ok SENSOR FAULT 1 2 3 4 Alarm The display shows a message and the burner ...

Page 25: ...eck the connection for the feed auger If the burner starts no further action is needed If not see the troubleshooting section for further assistance If the problem persists or if the igniter is bad contact your dealer or Northwest Manufacturing Inc Menu Ok FUEL FAULT V22 1 2 3 4 Menu Ok IGNITION FAULT V22 1 2 3 4 Operation 13 Shutting the Burner Off When shutting off the burner either for maintena...

Page 26: ...e some may require you to clean the boiler more frequently Your warranty does not cover ash cor rosion The boiler must be completely cleaned of ash and creosote at least twice a year including at the end of the heating season Neglecting to clean your boiler or cover the chimney when not in use will void the warranty WARNING Before performing any of the following tasks ensure that the power is disc...

Page 27: ...fan Disconnect the wires by pulling on the connectors Pulling on the wires will damage the connectors The burner can be removed in two different ways The first example removes the entire burner from the furnace and should be done yearly for a full inspection and cleaning The second way leave the burner tube installed and allow for easier access to the burn pot for routine cleaning Maintenance To c...

Page 28: ... slide the entire burner assembly out of the firepot Release the quick latches that hold the sections togeth er Be careful as to not damage the gasket between the sections Slide the inner part of the burn pot out of the outer sleeve Maintenance ...

Page 29: ...ert the inner part of the burn pot into the outer sleeve Ensure the alignment pins line up When reassembling the burner line up the four align ment screws that align the sections together with the gasket in place Then latch the quick latches Repeat the reset of the removal process in reverse to reassemble the burner Maintenance ...

Page 30: ...he burner Release the quick latches that hold the sections togeth er Be careful as to not damage the gasket between the sections Slide the inner part of the burn pot out of the outer sleeve Clean any buildup out of the burn pot and clean all debris out of the air holes ...

Page 31: ...ff open the top door on the boiler Once clean insert the inner part of the burn pot into the outer sleeve Ensure the alignment pins line up When reassembling the burner line up the four align ment screws that align the sections together with the gasket in place Then latch the quick latches Repeat the reset of the removal process in reverse to reassemble the burner ...

Page 32: ...e each turbulator up and down to loosen Insert a J hook into the chuck of a drill and hook the handle of the turbulator into the J hook With the drill in a me dium drive setting that will allow the drill to ratchet slowly start spinning the turbulator while moving it in an up and down motion Increase the speed of the drill to allow the turbulator to rattle inside of the tube Repeat this process fo...

Page 33: ...e in place and close the top door when cleaning is complete Maintenance Open the ash box door by unscrewing the two knobs Carefully remove the door and slide out the ash box Properly dispose of the ash clean any ash out of the ash box chamber on the boiler Replace the ash box and door Being careful not to damage the ceramic insulation and rope gasket on the door ...

Page 34: ...e mount Carefully remove the old igniter and place the new one in the mount Secure the screw and plug the igniter in Properly secure all wires Remount the burner Replacing the Flame Guard The flame guard is located inside the burn pot of the burner Remove the burner as shown on the prior page The flame guard is in the chute of the burn pot To remove the flame guard first locate the metal pin that ...

Page 35: ... Note Leaving your boiler empty exposes the water jacket to oxygen which will shorten the life of your boiler Annual Maintenance Annual maintenance should be performed in the spring when you shut down the boiler for the season Clean all of the ash from the tube access box Clean the heat transfer tubes Clean out the Renovator pellet burner as previously described Clean the ash box and ash box chamb...

Page 36: ...36 Mini Boiler Owners Manual 2015 To Next Page From Previous Page WHITE BLACK GREEN BLACK BLACK WHITE WHITE BLACK RELAY 800 Watt Igniter BLACK Wiring ...

Page 37: ...Previous Page GREEN WHITE OPTIONAL DRAFT INDUCER BLACK GREEN GREEN BLACK WHITE WHITE 192 SNAPDISC BLACK BLACK BLACK BLACK WHITE WHITE WHITE W HITE G R E E N BLACK BLACK BLACK TO RENOVATOR GREEN RELAY 800 Watt Igniter BLACK 120VAC 60 HZ 15 AMP WHITE BLACK GREEN ...

Page 38: ...ken 1 Adjust the fuel feed rate 2 Clean or replace the flame guard The burner does not ignite Ignition fault is on the display 1 Incorrect start dose 2 Broken ignition element 3 Stop in tipping chute 1 Change the start dose 2 Replace the ignition element 3 Clean the tipping chute The burner stops without visible reason 1 Incorrectly adjusted burner 2 Too much back pressure in the chimney 3 Error i...

Page 39: ... 1 YEAR WARRANTY ON ADDITIONAL COMPONENTS Northwest Manufacturing Inc warrants to the original owner only any additional components including but not limited to the outer shell paint insulation doors and latches during normal usage for a period of one 1 years from the date of installation START OF WARRANTY PERIODS The Warranty Period shall begin on the date the Boiler and Burner installation has b...

Page 40: ... only covers the Original Owner at the original site of installation IV Northwest Manufacturing Inc shall have the time needed and unobstructed access to the Boiler and Burner for the purpose of conducting tests of the Boiler and Burner and for the making of repairs or installation of replacement parts V Repairs replacement or the repair of replacement parts shall be subject to the terms and condi...

Page 41: ...iler Owners Manual Northwest Manufacturing Inc 600 Polk Ave SW Red Lake Falls MN 56750 Northwest Manufacturing Inc 600 Polk Ave SW Red Lake Falls MN 56750 PLACE POSTAGE HERE Cut here and mail registration card ...

Page 42: ...ewspaper Internet TV Print Other Would you like information on other products from Northwest Manufacturing Inc Yes No I have read the owners manual and understand the proper usage of my WoodMaster Mini Boiler Signature Printed Name Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Fold Measured start dose in grams Dosage time in seconds Setting of operation time ...

Page 43: ...120 v 60 Hz Maximum Power Input 30 kW unit 102 000 BTU Weight 785 Pounds approx Boiler Height 38 approx Boiler Width 26 5 approx Boiler Depth 33 5 approx Poly Hopper Height 56 approx Poly Hopper Width 28 approx Poly Hopper Depth 40 approx Metal Hopper Height 52 approx Metal Hopper Width 24 approx Metal Hopper Depth 24 approx Hopper Capacity 280 Pounds approx Water Jacket Capacity 9 5 Gallons appro...

Page 44: ...Northwest Manufacturing Inc 600 Polk Ave SW Red Lake Falls MN 56750 www woodmaster com 800 932 3629 Manual PN 7994 890 ...

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