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Keystoker A-80 Operating Instructions And Maintenance Manual

Warm air furnace
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A-80 Warm Air Furnace
Operating instructions and maintenance enclosed
Thoroughly read and understand instructions
Always leave this manual with stove owner
Follow the instructions within this manual. If instructions are not
followed, a fire may result causing property damage, personal injury, or
even death.
A carbon monoxide detector has been supplied with your stove. You must
plug it in.
Danger risk of fire or explosion. Do not burn garbage, gasoline, drain oil,
or other flammable liquids. Do not use chemicals or fluids to start fire.
Burn rice or buckwheat anthracite coal only
Stoves surfaces may be hot while in operation. Keep children away. Do
not touch during operation
Do not connect this unit to a chimney flue serving another appliance.
Follow all local building and Zoning ordnances

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Summary of Contents for Keystoker A-80

  • Page 1 A-80 Warm Air Furnace Operating instructions and maintenance enclosed Thoroughly read and understand instructions Always leave this manual with stove owner Follow the instructions within this manual. If instructions are not followed, a fire may result causing property damage, personal injury, or even death.
  • Page 2 A-80 INSTALLATION INSTRUCTIONS 1. IMPORTANT- Place furnace floor on a flat level surface. The end of floor without the angle is the stoker-hopper end. Position end of floor with small angle that is welded to the floor towards the chimney.
  • Page 3 A-80 INSTALLATION INSTRUCTIONS 12. Place a light smear of furnace cement or high temperature silicone around fire door frame. Place fire door into furnace inspection opening. Drill hole in top of door frame and bottom of door frame with 1/8” bit, secure with drill screw provided in ash tub.
  • Page 4 A-80 INSTALLATION INSTRUCTIONS INSTALLING STACK PIPE- The heat exchanger has one (1) stack outlet used to connect stove pipe to chimney. If stack pipe must be reduced in size, reduce stack size at thimble. It is important to run full size stack from furnace to thimble in chimney.

  • Page 5: Installation Instructions

    A-80 INSTALLATION INSTRUCTIONS...
  • Page 6 A-80 INSTALLATION INSTRUCTIONS...
  • Page 7 A-80 INSTALLATION INSTRUCTIONS...
  • Page 8 A-80 INSTALLATION INSTRUCTIONS 1. Stoker Body 14. Pusher bar drive shaft 2. Side Rail Left K-2C 15. Bearing K-17 3. Side Rail Right K-1C 16. Feed Crank K-7 4. Grate K-15-1-L 17. Feed Assembly Connector 5. Grate K-15-2-L 18. Feed Arm Nut 6.
  • Page 9 A-80 INSTALLATION INSTRUCTIONS STARTING FIRES-DO NOT USE AN ACCELLERANT SUCH AS: gasoline, kerosene, litter fluid, or etc. Put dry coal in hopper, pull down coal to cover entire grate. Crush several charcoal briquettes into smaller pieces, crumble newspaper and dig it through coal so that it touches the grate. Lay charcoal on top of newspaper, turn switch on, when charcoal is red, and place a few handful of coal on top of the charcoal.
  • Page 10 3” to 4” or red coals. After proper length of fire bed is obtained, coal feed is set. As prices of fuel continue to increase KEYSTOKER, continues to improve and make its products more fuel efficient. To obtain a more complete burn out coal, a small secondary blower motor was attached to the stoker unit.

  • Page 11: Controls And Their Functions

    A-80 INSTALLATION INSTRUCTIONS CLEANING and SERVICING- It is most important to clean and lubricate furnace when shutting down at the end of the heating season. Corrosion of heating equipment is greatly reduced by not allowing soot to remain in furnace during the summer months.
  • Page 12 A-80 INSTALLATION INSTRUCTIONS pointer setting. The convection blower will run as long as stove remains hot. When stove begins to cool down to low setting on control, the convection blower will shut off. Normal settings for control are: High limit (pointer on right) 200 degrees.

  • Page 13: Fan Limit Switch

    A-80 INSTALLATION INSTRUCTIONS Top pointer is to be set at warmth desired in home. Bottom pointer is the present temperature in room. When room temperature (bottom pointer) below desired room temperature, (top pointer), this will send a signal to the Relay...
  • Page 14 A-80 INSTALLATION INSTRUCTIONS CONVECTION BLOWER-when running, it will take cool air from room, and force it through heated air chamber inside stove, and return heated air into room. Blower can only be activated by Fan Limit Switch. SAFETY THE BURNING OF FOSSIL FUELS GENERATES CARBON MONOXIDE GASES.
  • Page 15 A-80 INSTALLATION INSTRUCTIONS PROBLEM POSSIBLE CAUSE REMEDY Stoker doesn’t run Main circuit breaker tripped Reset Main fuse blown Replace Fuse on stoker blown Replace Motor out on reset Press rest button on motor Stoker motor goes out on reset Obstruction in throat of...

  • Page 16: Troubleshooting Hints

    A-80 INSTALLATION INSTRUCTIONS TROUBLE SHOOTING HINTS PROBLEM POSSIBLE CAUSE REMEDY Stoker runs but Feed nut backed off Increase feed-see preceding doesn’t feed coal too far. instructions. Obstruction in throat Empty hopper and remove of stoker. obstruction. Empty hopper –free- use dry...
  • Page 17 A-80 INSTALLATION INSTRUCTIONS...

  • Page 18: Furnace Information

    A-80 INSTALLATION INSTRUCTIONS A-80 Warranty Keystone Manufacturing Company extends the following warranties to the original owner from the date of purchase. Five Years Workmanship on stove body Two years on grates and side rails One year all electric controls and motors.
  • Page 19 A-80 INSTALLATION INSTRUCTIONS WARM AIR CHECKLIST _____ Thermostat _____ Blower Motor ____ A-80 1/3 Horsepower ____ A-150 1/3 Horsepower ____ A-250 ½ Horsepower ____ A-350 1 Horsepower ____ A-450 1 1/2 Horsepower _____ Draft Regulator _____ Control-Relay, Timer, and Limit Switch...

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