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Keystoker KA-6 Operating Instructions And Maintenance
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Keystoker KA-6 Operating Instructions And Maintenance

Hot water boilers
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Hot Water Boilers
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 KA-6

  • Page 1 Hot Water Boilers 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 KEYSTOKER stoker boiler unit. Selection of location. Keystoker boilers are available with fire door on the right or left side. When you stand at the stoker end of the boiler and look directly over top of boiler toward stack end, you may choose to have a fire door on the right or left side of boiler.
  • Page 3 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS Install a domestic water mixing valve, we recommend a Honeywell AM-1 series not included with boiler install as per manufactures instructions (See Diagram Pg 5). If an automatic fill valve is desired, install as per manufacture’s instructions.
  • Page 4 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS Install 4006B hi limit into well in by-pass loop. (See Diagram Pg 6 ). Your stoker must be on its own circuit. From main breaker to boiler use 12-2 wire with ground on a 20 amp breaker. Follow wiring diagram and any applicable UL and local code Stack pipe and draft control installation: Stack pipe may now be connected from boiler to chimney, using as few elbows as possible.
  • Page 5 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS As prices of fuel continues to increase –KEYSTOKER – continues to improve and make its product more fuel efficient. To obtain a more complete burn out of coal, a small secondary blower motor was attached to the stoker unit.

  • Page 6: Side View

    KEYSTOKER BOILER INSTALLATION INSTRUCTIONS Side View...

  • Page 7: Top View

    KEYSTOKER BOILER INSTALLATION INSTRUCTIONS Top View...

  • Page 8: Front View

    KEYSTOKER BOILER INSTALLATION INSTRUCTIONS Front View...
  • Page 9 KEYSTOKER BOILER 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 K-6 5. Grate K-15-2-L 18.
  • Page 10 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS Oil the stoker motor and circulator annually with a good grade of light lubricating oil. DO NOT OVER OIL. Gear box uses #90 gear oil and should be filled from ½ to ¾ full. Oil level can be measured with wire or straw dipped through top lid of gear box while stoker unit is not running.
  • Page 11 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS HIGH LIMIT AQUASTAT – This control should be mounted in bypass loop above boiler. This acts only as a safety control and should be set at least 220 degrees. If boiler temperature becomes too high, this control starts circulator pump to relieve boiler temperature and will heat radiators, acting as a signal.
  • Page 12 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS...
  • Page 13 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS TROUBLE SHOOTING HINTS 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 Lo water level (steam)

  • Page 14: Troubleshooting Hints

    KEYSTOKER BOILER 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 15 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS SAFETY THE BURNING OF ALL FOSSIL FUELS GENERATES CARBON MONODIDE GASES. CARBON MONODIDE GASES ARE TOXIC. CAN CAUSE SICKNESS, AND CAN BE FATAL. TO PREVENT toxic carbon monoxide gases from entering the home, certain precautions must be taken.
  • Page 16 KEYSTOKER BOILER INSTALLATION INSTRUCTIONS Hot Water Checklist Thermostat Relief Pressure/Temperature Gauge 40006B with Well Fire Door Draft Regulator Control Instructions Warranty Card Low Water Cutoff Well 2 - 5/16 Stoker Bolts 2 - 3/8 Nuts 6 3/8 Washers 4 Hopper Washers...