SCOTTY WOOD FURNACE – INSTRUCTION MANUAL

2.7FREE-STANDING (Fig S102-4)

The KERR SCOTTY Wood Furnace is designed to be the sole source of central heating in medium sized, well-insulated houses using an integral blower to circulate warm air. In this system connect the ductwork, as you would for any conventional warm air heating system except you use increased clearances.

NOTE: This furnace is not to be connected to ductwork that is still connected to another furnace.

The wiring diagram for the Scotty is shown in Fig. S102-4.

ALL ELECTRICAL WIRING MUST CONFORM TO NATIONAL AND LOCAL CODES.

2.8CONTROL SYSTEM (Fig S102-5)

The fan and limit control and the damper motor should be located as shown in Figure S102-3 and S102-5.

The control system serves the following functions:

T822 – Room Thermostat – Wood Furnace

The primary control is the room thermostat located near the center of the house in the main floor or near an existing thermostat. The thermostat operates the damper motor to open and close the damper door thus allowing more or less air into the combustion area to control the fire.

M847 – Damper Motor

The damper door lever should be attached to the damper motor wheel with the chain included. Be sure the damper door is fully closed and the damper motor is not powered. Connect the chain to the damper door level and to the bottom hole in the damper motor wheel. As a final adjustment bend the top chain link slightly to vary the damper position.

L4064R – Wood Furnace/Limit Control

The fan and limit control mounted in the plenum controls the operation of the circulating blower and limits the air temperature to prevent the furnace from overheating.

Note: The fan/limit stand off bracket, provided in the wiring kit must be installed under the fan/limit control.

Set Points

o“ON” is usually set to 140?F (60°C). It turns on the circulating blower when the air temperature in the plenum reaches this temperature.

o“OFF” is usually set to 100°F (38°C). It turns off the circulating blower when the circulating air temperature in the plenum drops to this temperature.

o“Hi limit” is preset to 250°F (121°C). This will over ride the room thermostat to close fire damper door if the wood furnace overheats.

ALL ELECTRICAL WIRING MUST CONFIRM TO NATIONAL AND LOCAL CODES.

Scotty

14

Oct-06

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HP DB-102 manual T822 Room Thermostat Wood Furnace, M847 Damper Motor, L4064R Wood Furnace/Limit Control
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DB-102 specifications

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