21
• The placement of the condensate drain lines will
depend on the configuration selected in Table 4 (page
17)
. The drain lines can be routed out the left or right
side of the furnace, but must maintain a downward
slope to ensure proper condensate drainage. The
J-trap may need to be rotated to the side that matches
your setup. For GUH92A & GDD92A furnaces see
Figure 35, Figure 36, Figure 37, Figure 38, or Figure 39. For
GUH95A, GUH95C & GDD95A furnaces see Figure
41
, Figure 42, or Figure 43.
• To rotate the J-trap, loosen the clamp on the drain
tube, rotate the J-trap to either side, and retighten the
clamp.
THREE GENERAL PRINCIPLES APPLY:
• Each condensate drain must be trapped separately
using a J-Trap or field supplied loop. After individually
trapping the condensate lines, it is acceptable to
combine the drains.
• Theremustalwaysbeadrainattachedtothecollector
at the outlet of the secondary heat exchanger.
• Theremustalwaysbeadrainatthelowestpointofthe
venting system. NOTE: If using a condensate pump,
the furnace drain line must be installed above the
pumps water line.
EXCEPTIONS & CLARIFICATIONS TO THE
GENERAL RULES:
• Iftheventexitsthefurnacehorizontally,theventmay
be turned vertically with a tee.
(
Option 2, Option 3,
Option 5, Option 6, Option 8, Option 9, Option 12, Option
13
, Option 16, Option 17, Option 19, Option 20, Option 21,
Option 23, Option 24, Option 31, Option 32, & Option 34)
• In certain cases, it is permitted to drain the inducer
back into the top drain of the collector. This drain
(Option 2, Option 5, Option
7
, Option 11, Option 15, Option 16, Option 18, Option 19,
Option 21, Option 23, Option 25, Option 27, Option 29,
Option 30, Option 32, & Option 33)
The steps listed below describe how to remove the bottom
panel from the furnace. See Figure 23.
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.
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 24.
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.
Figure 22.
2” x 45
0
PVC
Elbow
2” PVC Pipe
2” x 3” PVC
Coupling
Coil Box
Figure 23.
6
7
5
1
2
3
4
Figure 24.
1
4
2
7
3
6
5
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