SCOTSMAN WOOD FURNACE – INSTRUCTION MANUAL
The blue heating wire from the wood fan limit control on high speed.
This relay will disconnect the circulation fan low speed switch and connect the high speed to the blower motor when there is a call for heat.
Items required:
oSwitching Relay R4222D 1013 (120 V Coil, 12 amp @ 120 Vac), or equivalent. o Junction box (4” x 4”) and cover.
o Square extension box (4”x 4” gyproc extension).
o Two plastic universal bushings or junction box connectors. o White wire (12”), two insulated spade connectors.
o Black wire (6”), two insulated spade connectors. o Brown wire (12”), two insulated spade connectors. o Yellow wire (12”), two insulated spade connectors. o Two cabinet mounting screws.
Low Speed Switching Relay Installation Instructions
1)Turn OFF POWER to the oil furnace and wood furnace.
2)Mount the switching relay in a junction box, in the blower compartment near the blower motor and motor wires. (If possible mount relay on rubber or foam pad to reduce noise in ductwork).
3)Remove the white neutral wire from the blower motor, and connect it to a selected neutral side of the relay coil.
4)Connect the white wire (item 2) to the second spade of the selected neutral side of the relay coil, and the other end into the blower neutral wire location (where initial white wire was removed).
5)Remove the black
6)Connect the black wire (item 3) to the second spade of the selected power side of the relay coil, and the other end of the wire on to one side of the normally open contacts (relay spade #1).
7)Connect the brown wire (item 4) to the
8)Remove the yellow
9)Connect the yellow wire (item 5) to the
10)Turn ON POWER to the oil furnace and wood furnace. Check relay operation.
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