Pressure Switches; Bottom Panel Removal; Alternate Bottom Panel Removal - Nordyne *SA Upfl ow / Horizontal Installation Instructions Manual

Pressure Switches

Figure 10 displays the proper routing
of pressure switch tubing for *SA &
*SK furnaces. On both furnaces, the
tubing connects at one end of the
pressure switch and is routed directly
onto the static tap of the inducer
assembly.

Bottom Panel Removal

The steps listed below describe how to remove the bottom
panel from the furnace. See Figure 11.
1. Remove the door (1) from the blower compartment.
2. Disconnect the blower motor wiring harness (2) from
the control board.
3. Remove two screws (3) securing the blower assembly
(4) to the furnace.
4. Carefully pull the blower assembly (4) out thru the
front of the furnace.
5. Remove all screws (5) securing bottom panel (6) to
bottom of furnace and front brace (7).
6. Lift up and slide bottom panel (6) out through front of
furnace.
7. Reinstall the blower assembly (4) in reverse order.
1
3
4
6
Figure 11. Bottom Panel Removal
14
Figure 10. Pressure Switch Tubing for *SA & *SK Furnaces
2
5
7

Alternate Bottom Panel Removal

If the bottom panel cannot be removed using the previous
instructions, the steps below are an alternate method for
removing the bottom panel. See Figure 12.
1. Remove the door (1) from the blower compartment .
2. Remove all screws securing the bottom panel (2) to
the front brace (3).
3. Remove two screws (4) securing the furnace cabinet
to the blower deck (5).
4. Remove all screws (6) securing the furnace cabinet
to the bottom panel (2).
5. Remove the screw (7) securing the bottom corner of
the furnace cabinet to the front brace (3).
6. Carefully spread the bottom corner of the furnace
cabinet outwards while sliding the bottom panel (2)
out through the front of the furnace.
7. Reassemble the furnace in reverse order.
1
2
Figure 12. Alternate Removal Method
4
5
7
6
3