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6. Attach the Foam Mounting Gasket to the Return Air Plenum
around the opening which was previously cut. Secure the
Base
Plate to the furnace plenum using the two screws
supplied. Be
sure that the wires are placed through the
wiring slot. Do
not pull the wires tight. (Figs. 6 & 7)
into the receptacle.
7. Attach the Cover to the
Base Plate, then attach the
Adjustment Knob to the Knob
Extension.
(Fig. 8)
8. Set the Adjustment Knob to
the desired humidity level.
9. Switch "ON" the electrical
supply to the furnace and plug
the TM-90R/TM-2000 Transformer
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