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     SCF-050 Manual 

42 

Many dealers offer a Service Contract that will cover Yearly Maintenance. Contact your St. 
Croix Dealer for assistance in maintaining your Furnace in top condition.

 

 

Yearly Maintenance 

 

Yearly maintenance is designed to assure safe operation, prolong the life of the Furnace 
and help preserve its aesthetic appeal. 

 

1.

 

Spring Shutdown.

 After the last burn in the spring, cool the Furnace. Remove all 

fuel from the hopper and the auger. Thoroughly clean the burn pot, burn pot box, 
ash pan and ash traps behind the ash pan. (To locate the ash traps see figure 4) 

 

2.  The exhaust system should be thoroughly cleaned at least annually. Call your 

dealer for this service.

 

 

3.

 

The motor/fan area behind the firebox and under the hopper should be vacuumed 
annually.  

 

NOTE: UNPLUG THE FURNACE

. Remove the access panels of the Furnace. Carefully 

clean or vacuum any dust, cobwebs and household dust. Carefully vacuum around the fan 
motors. If electrical wires become disconnected call your dealer for service. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

Figure 23 

 

Summary of Contents for SCF 050

Page 1: ...SCF Revolution Manual 1 SCF 050 FURNACE Installation Operations Manual 208...

Page 2: ...13 Venting Termination Clearance Requirements 14 Venting Into an existing Chimney 15 Combustion Air 16 Connecting to Existing Duct Work 17 Mobile Home Installation 18 Thermostat Hook Up 19 SCF 050 Op...

Page 3: ...Croix Clinker Theory 34 Clinker Ash Removal 25 Daily Maintenance 36 38 Periodic Maintenance 39 41 Yearly Maintenance 42 43 Safe Operation 43 Wiring Schematic 44 Electrical Layout 45 Canadian Requireme...

Page 4: ...uirements DEFINITION OF FURNACE The word Furnace as used in this manual is interpreted to mean a corn wheat rye or wood pellet burning Add On Furnace This model is not intended as the sole source of h...

Page 5: ...that the outside air inlet is connected to draw fresh air from outside the building 2 All joints of PL vent and single wall stainless steel pipe should be fastened by at least 3 screws and correctly...

Page 6: ...wing for more heat to be exchanged The burn system used in the furnace is the St Croix Patent Pending Clinker Removal System This burn pot allows the clinker to be removed without loosing the fire in...

Page 7: ...smaller cover gives access to the following components Combustion Fan Vacuum Switch and Proof of Fire Switch The larger cover allows access to the Convection Blower for maintenance when needed The Fan...

Page 8: ...uld be installed on a non combustible surface extending 16 in front of the unit LEFT SIDE Minimum clearance to combustibles on the right side of the furnace is 2 ACCESS FOR SERVICE AND MAINTENANCE The...

Page 9: ...CONDENSATION When planning the installation of your Furnace keep in mind that condensation is detrimental to exhaust systems Corn Wheat Rye have higher moisture content than pellets and can be more s...

Page 10: ...er Simpson DuraVent and Selkirk Metalbestos and is carried by many local pellet Furnace dealers In this manual approved venting will be referred to a PL vent or Single wall vent All single wall vent a...

Page 11: ...L VENT COMPONENTS RAIN CAP VERTICAL OR WALL THIMBLE CHIMNEY SUPPORT BRACKET HORIZONTAL ADAPTER ADJUSTABLE LENGTH SINGLE TEE SINGLE REDUCTION DOUBLE TEE PIPE w TEE CAP TEE w TEE CAP w TEE CAP PIPE ADAP...

Page 12: ...bove the exhaust port on the back of the furnace FAILURE TO PROVIDE THE NATURAL DRAFT THAT RESULTS FROM A VERTICAL RISE MAY RESULT IN SMOKE BEING RELEASED INTO THE HOUSE WHEN ELECTRICITY TO THE UNIT I...

Page 13: ...rage attic crawl space etc or any location that can build up a concentration of fumes 3 Vent surfaces can get hot enough to cause burns if touched by children Non combustible shielding or guards may b...

Page 14: ...outside atmosphere and all flue gases are discharged to the outside atmosphere Special Venting Arrangements are listed in NFPA 211 31 10 7 1 2 The Vent Terminal of a Direct Vent Appliance with an inp...

Page 15: ...ST BE AT LEAST 1 305 mm ABOVE the ground level 7 2 1 m FROM a public walkway 1 305 mm FROM The wall penetration point 3 915mm FROM a gas meter regulator assembly 2 610 mm FROM any adjacent combustible...

Page 16: ...chimneys are relined a chimney chase cap that reduces the outlet of the chimney to the size of the liner is required Extend the exhaust vent above the chimney chase cap and finish it off with a rain...

Page 17: ...or any semi enclosed space Take care not to draw cold air past water pipes that may freeze 3 Increase the outside air pipe diameter to 3 for runs over ten 10 feet and elevation over 4 000 feet Note L...

Page 18: ...revent the air flow from reversing It is recommended to enter the Supply plenum of the existing furnace above the Air Conditioning A coil The materials used for the Warm Air supply duct must have a mi...

Page 19: ...above mentioned sizes are the minimum allowed Fan Limit Control The Furnace uses a Fan Limit Control built into the furnace centered below the 10 plenum opening The High Limit function of this contro...

Page 20: ...eviously detailed requirements mobile home installations must observe the following 1 WARNING DO NOT INSTALL IN A SLEEPING ROOM 2 WARNING COMBUSTION AIR MUST COME FROM THE OUTSIDE OF THE MOBILE HOME F...

Page 21: ...ng Single wall vent is not allowed Follow PL Vent manufacturer s installation directions and observe all listed clearances to combustibles DO NOT CONNECT THE SCF 050 FURNACE TO A DOWN FLOW FURNACE SYS...

Page 22: ...in is detrimental to the venting system Only buy venting systems that are warranted with burning corn PREVENTING CHIMNEY FIRES Chimney fires can be prevented by properly operating the Furnace and by p...

Page 23: ...stallation clearances or within the space required for clinker removal The Furnace is not warranted against damage caused by poor quality fuel incorrect operation poor maintenance or incorrect install...

Page 24: ...s by loosening the 2 screws holding the shield in place and lift off of the burnpot Do not discard this part but save it for future use in the event you switch back to burning corn wheat or rye Figure...

Page 25: ...the furnace firebox during operation may cause skin burns 6 To avoid the possibility of smoke and or sparks entering the room always keep firebox and ash pan doors closed whenever the furnace is opera...

Page 26: ...Sensor 3 Vacuum in the Firebox A closer look at the Control Board to the right in figure 13 will explain how the board works There are five buttons labeled 1 through 5 a slide switch labeled 6 and a...

Page 27: ...be seen as the Pilot setting of the furnace when operating on a Thermostat Pushing the Feed Trim button 5 will switch between the different adjustments Heat Level one can be adjusted in the following...

Page 28: ...wheat or rye Add a generous amount of starter gel to the pellets 3 This next item is optional but it will give an immediate boost to the start up procedure Crumple up half of a newspaper page with som...

Page 29: ...s 1 through 4 from the section on Lighting Your Furnace Shutting The Furnace Off Refer to Figure 13 1 Press the On Off switch 2 once the lights will go off and the fire will go out in a few minutes Th...

Page 30: ...e pressure Vacuum in the firebox of the Furnace If there is no negative pressure the Furnace will go into Safety shutdown and the 2 LED will start blinking See Figure 13 on Page 24 Power Reset If all...

Page 31: ...tem becomes clogged or obstructed the firebox door or ash pan door are left open or the exhaust fan quits working the control board will go into Safety shutdown There is a 60 second window to allow fo...

Page 32: ...justed for your installation it should not be necessary to make any further adjustments to the damper The combustion air is automatically increased every time the feed rate is advanced on the control...

Page 33: ...his process This Damper Adjustment process only needs to be done once After the damper has been adjusted to the unique installation in your home the control board will do the rest As was stated earlie...

Page 34: ...ce the heat setting to 2 and let the Furnace burn at this setting for an hour Check the burn pot to see if it is balanced Most likely the Furnace will be burning fine at this point because the damper...

Page 35: ...e damper when burning Pellets When burning pellets in the Furnace the adjustment to the damper will most likely need to be made when the Furnace is running in the pilot mode a If a heavy black shiny b...

Page 36: ...t corn wheat rye or Distiller s Grain pellets do not burn as well when it is disturbed during the burn process These fuels need high temperatures and proper airflow in the burn pot to burn properly Th...

Page 37: ...separating the 2 areas of the burn pot The burning fuel on top and the clinker on the bottom 2 The slide out bottom This allows the bottom to be pulled out so the clinker can drop out of the bottom o...

Page 38: ...or corn wheat rye distiller s grain and every 20 hours for pellets Cherry Pits This may vary depending on the quality of fuel used 2 Continuous burning of the furnace at the High burn setting 5 Approx...

Page 39: ...e the Ashpan is not too full to receive a clinker If the Ashpan is too full the clinker may not drop all the way through This will not allow the pot bottom to be closed If this happens empty the Ashpa...

Page 40: ...aily with a cloth or paper towel will normally keep the window from accumulating difficult to clean residue Use of a glass cleaner ONLY permitted when the Furnace is cold CAUTION Do not slam the door...

Page 41: ...oles whenever needed Remove the Burnpot and use a small metal object Nail Drill Bit etc to clean out plugged holes See Figure 20 below The area shown above is located inside the Furnace Firebox and mu...

Page 42: ...will cause the Furnace to become plugged with Fly Ash 4 Heat Exchange Baffle Remove the baffle and clean the ashes that accumulate on a regular basis Once a month or sooner depending on the quality of...

Page 43: ...poor installations require more frequent chimney cleanings See Page 20 Preventing Chimney Fires The products of combustion will also contain small particles of fly ash The fly ash will collect in the...

Page 44: ...ove all fuel from the hopper and the auger Thoroughly clean the burn pot burn pot box ash pan and ash traps behind the ash pan To locate the ash traps see figure 4 2 The exhaust system should be thoro...

Page 45: ...nders have thoroughly cooled 2 Never use Gasoline gasoline type lantern fluid Kerosene charcoal lighter fluid or similar liquids to start or freshen up a fire in this heater Keep all such liquids well...

Page 46: ...SCF 050 Manual 44 Wiring Schematic Figure 24 The Electrical Rating of this furnace is 120 Volt 60 Hz 4 AMP The minimum recommended circuit is 15 Amp A dedicated circuit for the furnace is recommended...

Page 47: ...diagnosis of electrical problems and service to those components Electrical Layout Figure 25 1 Fan Limit Control 2 Convection Blower 3 Combustion Blower 4 Proof of Fire Switch 5 Vacuum Switch 6 Contro...

Page 48: ...ecoming damaged 2 Creosote formation and Cleaning a Establish a routine for the storage of fuel care of the Furnace and Firing Techniques b Check Daily for Creosote build up until experience shows how...

Page 49: ...OF THE GAS FURNACE MUST BE VERIFIED FOR ACCEPTABLE OPERATION BEFORE AND AFTER INSTALLATION OF THIS ADD ON FURNACE BY A GAS FITTER WHO IS RECOGNIZED BY THE REGULATORY AUTHORITY 8 DO NOT CONNECT TO ANY...

Page 50: ...ir leaks Any leaks in these areas will negatively affect the burn process and cause the pot to overload Also make sure the slide out bottom is closed all the way If this is left open combustion air wi...

Page 51: ...shut the Furnace down Solution Too much Combustion Air on the pilot setting Adjust the air damper See section covering an Unbalanced Burnpot Fuel would still feed until the P O F switch eventually sh...

Page 52: ...our St Croix Furnace will produce a white build up on the glass that wipes off with a dry paper towel However extended burning on the low setting only will produce a light tan color These types of bui...

Page 53: ...o 2 0 seconds Less Fuel means more adjusting See the figure to the right for details Figure 26 c Pressing the Feed Trim button again will turn on the 1 and 5 light at the same time This reduces the On...

Page 54: ...adjustment Lights flash once will lower the combustion fan voltages approximately 5 volts Using this draft adjustment will be common when burning Pellets The second adjustment Lights flash twice will...

Page 55: ...cturer s total responsibilities and liabilities shall be to repair or replace at the manufacturer s option the defective part s All costs of removal shipment to and from the dealer or manufacturer any...

Page 56: ...ntrol board in the area below In the event of a power failure or if the units gets unplugged the trim settings will be lost Draft Trim Circle one See point 4 on page 24 Default Draft Low Draft High Dr...

Page 57: ...SCF 050 Manual 55 Even Temp Inc P O Box 127 Waco NE 68460 PHONE 402 728 5255 FAX 402 728 5379 EMAIL SUPPORT EVENTEMPINC COM WEB ADDRESS www eventempinc com...

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