Owner`s manual

SCOTTY SS – INSTRUCTION MANUAL

Scotty SS Nov-05

4.5 ADD-ON TO ELECTRIC CONTROL KIT “E”(Fig S202-8, Fig S202-9)

Control kit “E” is required for ADD-ON to Electric installation of the KERR SCOTTY SS

Wood Furnace model DB-202A.

Kit “E” consists of the following:

1. L4064R1027 11” Primary Fan Limit Control (Wood Furnace) complete with

standoff bracket. Fan “ON” – 140° F, Hi Limit – 280° F. Check JUMPER

REMOVED. See “Note” below.

2. M847A1031 Draft Damper Motor complete with chain and S hook. Lifts damper

in response to wood thermostat’s call for heat. Be sure that damper gate is fully

closed when damper motor is not powered. Connect chain to first or second hole

up in wheel. Leave bottom chain link open for emergency disconnect – see

description below.

3. T822D1826 thermostat. In ADD-ON installations, mount adjacent to electric

furnace thermostat and label “wood”

Note: anticipator setting 0.32 amps. See description below.

4. White-Rodgers 8A05A-4 Switching Relay. Prevents wood furnace and electric

furnace from firing at the same time.

5. Damper Control stand off mounting plate c/w decal.

6. Cable stand off brackets and cable clips

7. 12 – ½” x #8 sheet metal screws

8. Wiring Harness c/w 4 x 4 box, 2 flex conduit, wirenuts, antishorts and squeeze

connectors

9. 3 – 1-1/2” x #10 sheet metal screws for fastening fan control to mounting bracket

IMPORTANT – follow carefully the electrical schematic (decal on wood furnace cabinet

or Fig, S202-8 or 9). The electric power for the wood furnace must be supplied from the

fused single branch circuit inside the electric furnace cabinet. A ground wire is

necessary between the wood and oil furnaces.

NOTE – Remove Fan Limit Control jumper connection indicated in Figure S202-8.