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Step 2. Remove the screw (LL) that holds the power board cover (KK) located in the blower box
(Detail 3) Connect the two wires on the Tw and Tr terminals of the oil unit primary
control and pass them through the middle grommet of the blower box and connect the
wires of the oil unit on the "OIL" terminal on the power board (Detail 4)
To facilitate connections, the use of a junction box is recommended. It can be installed
on the back of the furnace. Use the following diagram for reference. Refer to the wiring
diagram for complete connections.
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