Wood master Flex Fuel Owner's Manual

Northwest Manufacturing, Inc600 Polk Ave SWRed Lake Falls, MN 56750www.woodmaster.comRetain this manualOwners ManualManual PN: 7994-300Rev: 13.4

10Flex Fuel Owner’s Manual 20125: InstallationYour Flex fuel must be installed by a professional and should follow all local, state and federal laws a

112012 Flex Fuel Owner’s Manual5: Installation5.4 Water Connections The following layouts are basic conguration for the furnace water connections.

12Flex Fuel Owner’s Manual 20125: InstallationFurnace and Buer inseparate buildings running with a plate pump.Furnace and Buer inseparate buildings

132012 Flex Fuel Owner’s Manual5: InstallationPlumbing the Rear of the Furnace The images below show how to connect the pump to the back of your Flex

14Flex Fuel Owner’s Manual 20125: InstallationExpansion Tank Since the Flex fuel is a non pressurized system, an expansion tank is needed to allow th

152012 Flex Fuel Owner’s Manual5: InstallationExpansion Tank (20 Gallon Shown)0020-247 1” Blk St 900020-247 1” Blk St 900020-2501” x 2” Blk nipple0020

16Flex Fuel Owner’s Manual 20125: InstallationBuer Tank Kit (020-0009)Part No. Description0020-140 1” Pex x 1” MPT (2)0020-145 1” Pex Crimp Ring (

172012 Flex Fuel Owner’s Manual5.5 Electrical ConnectionsNote: Be sure to follow all local, state and federal guidelines. Wiring installation should b

18Flex Fuel Owner’s Manual 20125: Installation5.6 I/O BoardPellet AugerRoom Feed AugerVibratorLAMBDACIRC TempStack TempStove TempSupply TempReturn Tem

192012 Flex Fuel Owner’s Manual5: InstallationFlex fuel 60 kWFlex fuel 30 kW# 4Main Circulating Pump Connections

2Flex Fuel Owner’s Manual 2012Congratulations on your decision to purchase the WoodMaster Flex fuel. You will be extremely pleased with this product,

20Flex Fuel Owner’s Manual 20125: Installation5.7 Connecting to Heating SystemExisting Forced AirA water to air heat exchanger is inserted in the exis

212012 Flex Fuel Owner’s Manual6: FuelsAll fuels must conform to certain quality standards to ensure trouble free operation of the furnace. Use of una

22Flex Fuel Owner’s Manual 2012It is only possible to switch the furnace on and o from the start screen. The currently selectedoperating mode is indi

232012 Flex Fuel Owner’s Manual The furnace is then switched on and you are returned to the start screen. The status line indicates the current ope

24Flex Fuel Owner’s Manual 20128: DisplayOverview:All settings are changed using the Control Knob in the center of the operating unit. Turn the wheel

252012 Flex Fuel Owner’s Manual8: Display8.1 The Starting ScreenThe displayed values are current actual values. The boiler temperature, the ue gas te

26Flex Fuel Owner’s Manual 20128.2 Menu NavigationScrolling Through the System Components On the starting screen, turn the control knob to the right

272012 Flex Fuel Owner’s ManualChanging/Viewing Individual Settings By turning the control knob, you can:  •Navigatebetweenvariousmainmenulev

28Flex Fuel Owner’s Manual 2012If you press the control knob on the starting screen, the menu “BASIC BOILER SETTINGS” will appear (Shown Below). Press

292012 Flex Fuel Owner’s Manual9.5 Setting the Clock/DateNote: There is no automatic conversion for daylight saving time.Note: This furnace runs on DD

32012 Flex Fuel Owner’s Manual1. Contents ...

30Flex Fuel Owner’s Manual 20129.8 Output Test – Heating CycleNote: Output tests may be preformed by the owner, however, damage can occur if preforme

312012 Flex Fuel Owner’s Manual Move the curser by turning the control knob to the output test – boiler line and press the control knob. The menu “

32Flex Fuel Owner’s Manual 20129.11 Hour MeterThe following operating hours are also logged: • Feedruntime(inhours) • Lambdasensorheatingtim

332012 Flex Fuel Owner’s Manual10.1 View of the Selected Operating Mode When booting up the display, the set operating mode is automatically displaye

34Flex Fuel Owner’s Manual 2012Depending on the installed options, up to three furnace operating modes are available: •Bulkmaterials The furnace

352012 Flex Fuel Owner’s Manual10: Operating ModesFLEX FUELV 10.060 Tu, 12.09.10Bulk materialsBoiler temperature:Flue gas temperature:Air factor:Boile

36Flex Fuel Owner’s Manual 2012Turn the control knob to move the cursor to the line of the desired operating mode. For example, the following picture

372012 Flex Fuel Owner’s ManualNote: Always ensure that the insert corresponding to the furnace operating mode is tted and the pellet slide and ap (

38Flex Fuel Owner’s Manual 2012Check the Insert Check that the correct insert is installed in the rebox, and that the insert is free from any buildu

392012 Flex Fuel Owner’s ManualFiringFirst take the dry, small-sized and easily combustible material and arrange it parallel to the rebox side wall u

4Flex Fuel Owner’s Manual 20121: Table of Contents11. Bulk Materials Mode ...

40Flex Fuel Owner’s Manual 2012Now close the rebox door and wait unit the status line changes from “Please ignite” to “Bulk materials”. This changeov

412012 Flex Fuel Owner’s ManualNow you can completely ll the rebox right to the top with bulk material for a full burn, or a part load, depending on

42Flex Fuel Owner’s Manual 201211.6 Status Lines During Furnace Operating Mode “Bulk materials”Boiler is switched o! The furnace is switched o. Pre

432012 Flex Fuel Owner’s ManualSmoldering gas extraction! Please add more! Smoldering gas extraction is activated. You can now add more bulk material

44Flex Fuel Owner’s Manual 2012 Before lling, it is recommended that the buer temperatures are checked. If the existing temperature is already su

452012 Flex Fuel Owner’s ManualNote: Always ensure that the insert corresponding to the furnace operating mode is tted and the pellet slide and ap (

46Flex Fuel Owner’s Manual 201212: Bulk Materials Auto ModeCheck the Status Line(s) Always monitor the current operating status which is displayed on

472012 Flex Fuel Owner’s ManualNext cover the small pieces with a layer of paper. Covered the paper with another small layer of bulk materials. Ensure

48Flex Fuel Owner’s Manual 2012Cover the cardboard with a layer of small bulk materi-als that covers the entire bottom of the rebox.12: Bulk Material

492012 Flex Fuel Owner’s Manual Then turn the control knob to scroll to the screen “BULK MATERIALS AUTO CONTROL“. The release mode currently set and

52012 Flex Fuel Owner’s Manual2: TermsFlex fuel - Hydronic heater designed to burn multiple wood fuel typesFurnace/Boiler AKA appliance, stove - An ap

50Flex Fuel Owner’s Manual 2012 You can now enter up to three release periods for the weekdays Monday to Friday. If furnace operating mode “Bulk ma

512012 Flex Fuel Owner’s ManualRelease Mode “acc. to date” Select release mode “acc. to date” if the furnace should be started on a particular day. T

52Flex Fuel Owner’s Manual 2012Note: Always ensure that the insert corresponding to the furnace operating mode is tted and the pellet slide and ap (

532012 Flex Fuel Owner’s ManualCheck Status Line(s) Before starting the furnace in “Pellets Auto control” the furnace should be switched o.Check Pel

54Flex Fuel Owner’s Manual 201213: Pellets Auto ControlAdjustment Bolt (Fig. 1) Correct Burn: no further adjustments needed (Fig. 2)Incorrect Burn: bo

552012 Flex Fuel Owner’s Manual13: Pellets Auto Control13.4 Starting the Furnace in Operating Mode “Pellets auto control”Setting the Furnace Operating

56Flex Fuel Owner’s Manual 201213.6 Status Lines for Operating Mode “Pellets auto control”Boiler is switched o! The furnace is switched o. If you w

572012 Flex Fuel Owner’s Manual13: Pellets Auto ControlPellets mode! Thefurnaceregulatesin“Pelletsmode!”aslongasthereisacallforheatand

58Flex Fuel Owner’s Manual 2012FGT-drop or AR too high! Fan lag! Theuegastemperatureduringthe“Startphase!”orin“Pelletsmode!”hasnoticeab

592012 Flex Fuel Owner’s Manual13: Pellets Auto ControlFeeder temperature too high! Fan lag! The temperature monitor in the feeder has measured an ov

6Flex Fuel Owner’s Manual 20122: TermsAir Ratio - See air factorESC - Function on display controlled by the operator to move backFire Irons - Metal po

60Flex Fuel Owner’s Manual 2012 Possible reasons why an ignition fault may be caused: • Theashchamberoruepipeiscoveredinash. • Theas

612012 Flex Fuel Owner’s ManualIf a buer is available, the following gure appears on the screen of the actual values of individual system components

62Flex Fuel Owner’s Manual 2012Release Method You may select 3 dierent types of releases for the buer. Likewise, the release type only has an aect

632012 Flex Fuel Owner’s Manual15: Maintenance15.1 General InformationNote: The Owner/Operator must follow any local and state codes/laws concerningth

64Flex Fuel Owner’s Manual 201215: MaintenanceCleaning the Ash Chamber •Checkthatthefurnaceisnotoperationalandiscool •Opentheouterencl

652012 Flex Fuel Owner’s Manual15: MaintenanceNotes:

66Flex Fuel Owner’s Manual 2012If a malfunction occurs, the error message is directly displayed on the screen.The red LED of the ESC key is switched o

672012 Flex Fuel Owner’s ManualSafety temperature limiter has tripped! The furnace temperature can rise above 194 °F if there is a sudden reduction i

68Flex Fuel Owner’s Manual 2012Burn back damper blocked! The burn back damper could not be fully opened during pellets start. Possible causes of thi

692012 Flex Fuel Owner’s Manual17: TroubleshootingProblem Cause/SolutionHeating system isnot workingFurnace is producingexcessive smokeCheck power con

72012 Flex Fuel Owner’s Manual3: Safety• AllinstallationandoperationsmustfollowSTATEandLOCALCODESforwiring,plumbing,andringofthis

70Flex Fuel Owner’s Manual 201218: SpecicationsFlex fuel 30 kWFlex fuel 60 kWMaximum Current DrawAverage Daily Power ConsumptionMax Heat CapacitiesHo

Customer’s Name ________________________________ Dealer’s Name _____________________________Customer’s Signature _____________________________ Dealer’

Installed by: Dealer CustomerIf customer, was installation explained to you? Yes NoType of Installation: House/Garage Shop/Shed Green

Customer’s Name ________________________________ Dealer’s Name _____________________________Customer’s Signature _____________________________ Dealer’

Installed by: Dealer CustomerIf customer, was installation explained to you? Yes NoType of Installation: House/Garage Shop/Shed Green

752012 Flex Fuel Owner’s ManualWoodMaster FLEX FUEL Warranty NORTHWEST MANUFACTURING, INC. 600 Polk Ave. SW – Red Lake Falls, MN 56750 Toll free (800)

May quality, workmanship and on going product enhancement never be just a passing thought, but rather an everyday tangible aspect, that improves the l

8Flex Fuel Owner’s Manual 20123: SafetyUL Certication

92012 Flex Fuel Owner’s Manual4: Features1. Ash Door - A large opening to make cleaning the ash chamber simple and easy.2. Firebox door - A large open