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Trouble Shooting Guide

HIGH LIMIT SWITCH KEEPS TRIPPING
Possible Causes:

Possible Remedies: (Unplug stove 

fi

 rst when possible)

1.  The convection blower is overheating and tripping the 

internal temperature shutoff.

Clean any dust off of the windings and fan blades.  If oiling 
the blower does not help, the blower may be bad.

2.  The stove is being left on the highest setting for 

extended periods of time.

If operating the heater on the highest heat setting, the room 
temperature could increase enough and lead to potential 
overheating situations. If this happens, try operating at a 
lower heat setting. 

3.  Fuel other than wood pellets is being burned in the 

stove.

This pellet stove is designed and tested to use wood pellets.  
Check for signs of fuel other than wood pellets.  No other 
types of fuel have been approved for this pellet stove.  If 
there are signs of other types of fuel being used, stop using 
them immediately.

4.  Power surge or brown out situation.

A power surge, spike, or voltage drop could cause the high 
limit switch to trip.  Check to see if a surge protector is being 
used on the stove.  If not, recommend one to the consumer.

5.  High limit switch is malfunctioning.

If the other items check out OK, replace the high limit switch.

• GLASS “SOOT’S” UP AT A VERY FAST RATE
• FLAME IS LAZY, DARK, AND HAS BLACK TIPS 
• AFTER STOVE HAS BEEN ON FOR A WHILE, THE BURNPOT OVERFILLS
Possible Causes:

Possible Remedies: (Unplug stove 

fi

 rst when possible)

1.  Stove or vent pipe is dirty, which restricts air

fl

 ow through 

the burnpot.

Follow all cleaning procedure in the maintenance section 
of the owner’s manual.

2.  Vent pipe installed improperly.

Check to make sure the vent pipe has been installed 
according to the criteria in the owner’s manual.

3.  Air damper is set too far in (closed) for a higher setting. Pull the damper knob farther out away from the side of the 

stove and try to burn the unit again.

4.  Burnpot holes are blocked.

Remove the burnpot and thoroughly clean it.

5.  Air damper is broken.

Visually inspect the damper assembly.  Make sure the 
damper plate is attached to the damper rod.  When the 
damper rod is moved the plate should move with it.

6.  Blockage in air intake pipe.

Visually inspect the air intake pipe that leads into the 
burnpot for foreign material.

7.  Combustion blower is not spinning fast enough.

Test the RPM on the blower after the blades have been 
cleaned.  The RPM should be approximately 3000 RPM.

8. Bad 

Pellets.

 

(Applies to GLASS “SOOT’S” UP AT A VERY FAST 
RATE Only)

The brand of pellets or the batch of pellets that are being 
used may be of poor quality.  If possible, try a different brand 
of pellets.  You might also want to try a brand that is made 
from a different type of wood (softwood vs. hardwood).  
Different woods have different characteristics when being 
burned.

30 

Summary of Contents for AP5660L

Page 1: ...strictions and installation inspection requirements in your area These Pellet Stove Room Heaters have been designed for use in the US and Canada and are suitable for mobile homes French version is available for download from the Vogelzang website http www usstove com Version française est disponible pour téléchargement à partir du site Vogelzang http www usstove comSave These Instructions United S...

Page 2: ...e auger will not feed pellets under these circumstances and a safety concern may arise from sparks or fumes entering the room Allow the stove to cool before performing any mainte nance or cleaning Ashes must be disposed in a metal container with a tight fitting lid The closed container of ashes should be placed on a non combustible surface or on the ground well away from all combustible materials ...

Page 3: ...or Purchase Alternative Heat Main Heat Source Decoration Cost Other _________________________ What was the determining factor for purchasing your new USSC appliance _______ I have read the owner s manual that accompanies this unit and fully understand the Installation Operation and Maintenance of my new USSC appliance Print Name Signature Date Please attach a copy of your purchase receipt Warranty...

Page 4: ... CUT HERE CUT HERE Fold Here Fold Here United States Stove Company P O Box 151 South Pittsburg TN 37380 Fold Here PLACE STAMP HERE 4 ...

Page 5: ...STM E 2779 EPA Method 28R FUEL CONSIDERATIONS Your pellet stove is designed and tested with premium grade pellets that comply with Pellet Fuels Institute PFI standards You can only burn premium grade pellets in this pellet heater Minimum of 40 lbs density per cubic ft 1 4 to 5 16 diameter length no greater than 1 5 not less than 8 200 BTU lb moisture under 8 by weight ash under 1 by weight and sal...

Page 6: ...O ANY AIR DISTRIBUTION DUCT OR SYSTEM The use of other components other than stated herein could cause bodily harm heater damage and void your warranty IMPROPER INSTALLATION The manufacturer will not be held responsible for damage caused by the mal function of a stove due to improper venting or installation Call 800 750 2723 and or consult a professional installer if you have any questions CLEARAN...

Page 7: ...ea under the product and 6 in 152 mm beyond the front and beyond each side of the fuel loading and ash removal openings Your heater will need a minimum 31 x 38 floor protector Floor protection must extend under and 2 in 50 8mm to each side of the chimney tee for an interior vertical installation see FIGURE 2 Canadian Installations require a minimum of 450 mm 17 7 beyond the front of the unit and 2...

Page 8: ... account the chimney s location to insure it is not too close to neighbors or in a valley which may cause unhealthy or nuisance conditions PELLET VENT TYPE A UL listed 3 inch or 4 inch type PL pellet vent exhaust system must be used for installation and attached to the pipe con nector provided on the back of the stove use a 3 inch to 4 inch adapter for 4 inch pipe Connection at back of stove must ...

Page 9: ...when adjacent to public walkways E Minimum 2 foot 0 61m clearance above any grass plants or other combustible materials F Minimum 3 foot 0 91m clearance from an forced air intake of any appliance G Minimum 2 foot 0 61m clearance below eves or overhang H Minimum 1 foot 0 3m clearance horizontally from combustible wall I Must be a minimum of 3 foot 0 091m above the roof and 2 foot 0 61m above the hi...

Page 10: ... harnesses ash shown STEP 2 Unpack the top mount controls and ensure that the wiring harness shown is attached securely STEP 3 Connect the factory installed wiring harnesses to the control panel as shown STEP 4 Attach the control panel to the top of the stove as shown STEP 5 Secure with two sheet metal screws 10 ...

Page 11: ...nterfere with the house framing wiring etc 2 Install a non combustible hearth pad underneath the pel let stove This pad should extend at least 6 152mm in front of the unit 3 Place the pellet stove approximately 15 381mm away from the interior wall 4 Locate the center of the exhaust pipe of your unit This point should then be extended to the interior wall of your house Once you have located the cen...

Page 12: ...h approved cap 6 152mm Clearance to Combustibles Floor Protector 6 152mm Clearance Front Figure 9 6 152 mm Clearance Wall to Back of Unit Wall Thimble Exhaust Vent 45 Elbow or Listed Termination Rodent Mesh Cap Combustion Air Intake with approved cap 12 300mm Existing Floor Combustible Non Combustible Floor Protection 6 152 mm Installation 12 ...

Page 13: ...will leave the exhaust vent with a minimum of 3 75mm clearance to any combustible wall 4 When installing the air intake locate the center of the combustion air intake pipe at the back of your unit Line up the center with the same spot on your exterior wall and cut a 2 1 2 64mm diameter hole through the wall 5 Install the combustion air intake pipe 6 Secure all vent joint connections with 3 screws ...

Page 14: ...te the center of the exhaust pipe at the back of the unit Line up the center with the same spot on the exterior wall a cut a 7 178mm diameter hole through the wall 7 Install the wall thimble refer to the instructions which come with the wall thimble 8 Install an approved exhaust vent through the wall be sure to make sure that 3 75mm clearances to combustibles are maintained 9 Secure all vent joint...

Page 15: ...DIRECT TEMP VENT SYSTEM FOR PELLET STOVE HEATERS UP AND OUT HORIZONTAL TERMINATION KIT Images courtesy of Selkirk STRAIGHT OUT HORIZONTAL TERMINATION KIT STRAIGHT OUT HORIZONTAL TERMINATION KIT Installation 15 ...

Page 16: ...lly outside connections You may contact your local building authority or person having jurisdiction on height restrictions In order for this unit to be installed in a mobile home the fol lowing criteria must be met The unit must be secured to the floor using lag bolts in the holes provided in the pedestal base Ensure that the unit is permanently electrically grounded to the chassis of your home wi...

Page 17: ...Installation SELKIRK DIRECT TEMP VENT SYSTEM FOR PELLET STOVE HEATERS Images courtesy of Selkirk 17 ...

Page 18: ...N The C F button changes the two digit display from degrees Celsius to degrees Fahrenheit D MODE M T BUTTON The Mode of the stove can be switched between manual and controlled with a Thermostat Separate LEDs to the left of the two digit display indicate the mode of opera tion Manual or T Stat The stove has to be in normal operation to be switched from Manual to T Stat mode Manual mode operates acc...

Page 19: ...ECK Remove burn pot making sure it is clean and none of the air holes are plugged Clean the firebox and then reinstall burn pot Clean door glass if necessary a dry cloth or paper towel is usually sufficient Never use abrasive cleaners on the glass or door Check fuel in the hopper and refill if necessary BUILDING A FIRE Never use a grate or other means of supporting the fuel Use only the burn pot s...

Page 20: ...mage to the heater KEEP HOPPER LID CLOSED AT ALL TIMES EXCEPT WHEN REFILLING DO NOT OVERFILL HOPPER SHUTDOWN PROCEDURE Turning your stove off is a matter of pressing the POWER button on the display board The green light will turn back to red when the POWER button is pushed The auger motor will stop and the blowers will continue to operate until the internal firebox temperatures have fallen to a pr...

Page 21: ...aner i e shop vacs may leak ash into the room DO NOT VACUUM HOT ASH CHECK AND CLEAN THE HOPPER Check the hopper periodically to determine if there is any sawdust fines that is building up in the feed system or pel lets that are sticking to the hopper surface Clean as needed DOOR AND GLASS GASKETS Inspect the main door and glass window gaskets periodically The main door may need to be removed to ha...

Page 22: ... thoroughly cleaned SPRING SHUTDOWN After the last burn in the spring remove any remaining pellets from the hopper and the auger feed system Scoop out the pellets and then run the auger until the hopper is empty and pellets stop flowing this can be done by pressing the ON button with the viewing door open Vacuum out the hopper Thoroughly clean the burn pot and firebox It may be desir able to spray...

Page 23: ...ed container of ashes should be placed on a non combustible floor or on the ground well away from all combustible materials pending final disposal If the ashes are disposed of by burial in soil or otherwise locally dispersed they should be retained in the closed container until all cinders have been thoroughly cooled Do not place other waste in the same container 23 ...

Page 24: ...K OF ELECTRIC SHOCK DISCONNECT POWER BEFORE SERVICING UNIT Over time ash or dust may accumulate on the blades of the circulation exhaust fans The fans should be inspected periodically and if any accumulation is present vacuumed clean as the ash or dust can impede the fans performance It is also possible that creosote may accumulate in the exhaust fan therefore this must be brushed clean The exhaus...

Page 25: ...ossible Causes Possible Remedies Unplug stove first when possible 1 The convection blower is overheating and tripping the internal temperature shutoff Clean any dust off of the windings and fan blade If oiling the blower does not help the blower may be bad 2 The stove is being left on the highest setting for extended periods of time If operating the heater on the highest heat setting the room temp...

Page 26: ...the gray wires to the air switch 6 Combustion blower failure With the stove on check to see if the combustion blower is running If it is not you will need to check for power going to the combustion blower It should be a full current If there is power the blower is bad If there is not see 8 7 Control board not sending power to combustion blower If there is no current going to the combustion blower ...

Page 27: ...the motor is bad 8 The Proof of Fire POF thermodisc has malfunctioned Temporarily bypass the POF thermodisc by disconnecting the two wires and connecting them with a short piece of wire Then plug the stove back up If the stove comes on and works you need to replace the POF thermodisc This is for testing only DO NOT LEAVE THE THERMODISC BYPASSED Your blowers will never shut off and if the fire went...

Page 28: ...ger tube for signs of damage such as burrs rough spots or grooves cut into the metal that could have caused a jam 7 The auger motor has failed Remove the auger motor from the auger shaft and try to run the unit If the motor will turn the shaft is jammed on something If the motor will not turn the motor is bad STOVE FEEDS PELLETS BUT WILL NOT IGNITE Possible Causes Possible Remedies Unplug stove fi...

Page 29: ...T FUEL FEED LIGHT COMES ON AS DESIGNED Possible Causes Possible Remedies Unplug stove first when possible 1 High limit switch has tripped or is defective Wait for the stove to cool for about 30 45 minutes Locate the High Limit thermodisc and press the reset button on the back of it If the heater will not restart check the thermodisc to see if it s bad To test if the thermodisc is bad you can bypas...

Page 30: ...RK AND HAS BLACK TIPS AFTER STOVE HAS BEEN ON FOR A WHILE THE BURNPOT OVERFILLS Possible Causes Possible Remedies Unplug stove first when possible 1 Stove or vent pipe is dirty which restricts airflow through the burnpot Follow all cleaning procedure in the maintenance section of the owner s manual 2 Vent pipe installed improperly Check to make sure the vent pipe has been installed according to th...

Page 31: ...1 2 3 28 9 8 25 10 26 4 5 7 27 11 30 19 14 18 17 29 31 15 16 13 12 21 22 21 23 24 34 33 20 6 Parts Diagram 31 ...

Page 32: ...1997 Latch Ash Pan 2 11 891540 Latch Door 4 12 80549 Pressure Switch 1 13 80599 Switch Low Temp 1 14 80601 Switch Hi Temp w Reset Button 1 15 88166 Gasket Exhaust Blower 1 16 80602 Blower Exhaust 1 17 88167 Gasket Convection Blower 1 18 80622 Blower Convection 1 19 80604 Igniter 1 20 80676 PCB Circuit Board 1 21 891998 Bushing 2 22 891999 Auger 1 23 80606 Motor Auger 1 24 80491 Micro Switch 1 25 6...

Page 33: ...Wiring Diagram 33 ...

Page 34: ...ty or any implied warranty 2 Should the heater be replaced by United States Stove Company free of charge all further warranty obligations are thereby met 3 Parts and or service replacements made under the terms of this warranty are warranted only for the remaining period of the original heater warranty 4 Without speci c written exclusionary waivers no one has authority to add to or vary this limit...

Page 35: ...Notes 35 ...

Page 36: ...ER WHICH IS ON THE NAMEPLATE ATTACHED TO THE HEATER WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION AS SHOWN IN THIS LIST United States Stove Company 227 Industrial Park Road P O Box 151 South Pittsburg TN 37380 800 750 2723 WWW USSTOVE COM HOW TO ORDER REPAIR PARTS 1 THE PART NUMBER _________________ 2 THE PART DESCRIPTION_____________ 3 THE MODEL NUMBER ______________ 4 THE SERI...

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