Goodman Mfg ADPF, ATUF, ASPF Downflow Conversion, After the Tailpiece has COOLED, confirm posi

2.After the gas has escaped, remove the nut and discard the black or brass cap.

3.Remove the check piston to verify it is correct and then replace the piston. See piston kit chart in instructions.

4.Use a tube cutter to remove the spin closure on the suction line.

5.Remove the tailpiece clamped to the exterior and slide the 13/16 nut into place.

6.Braze tailpiece to the line set liquid tube.

PLASTIC or BRASS CAP

13/16” NUT

TAILPIECE

WHITE	PISTON
TEFLON SEAL

Figure 1

7.	Insert the suction line into the connection, slide the in-
	sulation and the rubber grommet at least 18" away from
	the braze joint. Braze suction line.
8.	AFTER THE TAILPIECE HAS COOLED, confirm posi-
	tion of the white Teflon® seal and hand tighten the 13/

ARUF, ATUF	Insulation Kit
or ARPF Model
1729 / 1824	DPI18-30/20
3030 / 1931 / 3636	DPI36-42/20
3642 / 3743 / 4860 / 4961	DPI48-61/20

Table 7

Refer to Figures 3 through 5 for the location of the compo- nents referenced in the following steps. Figure 3 illustrates the new installation location for the removed components.

1.Before inverting the air handler, remove all access pan- els, the coil rear channel bracket, and the filter close-off panel.

2.Remove the evaporator coil and the horizontal drain pan. Discard horizontal drain pan.

3.Install the provided plastic plug into the vacated access panel.

4.Remove the two (2) zee coil support brackets and insu- lation retaining brackets.

5.Remove the tie bracket.

6.Install the DPI Insulation Kit onto the bottom of the drain pan.

16 nut.

9. Torque the 13/16 nut to 10-25 ft-lbs. or tighten 1/6 turn.

Excessive torque can cause orifices to stick. Use the proper torque settings when tightening orifices.

10. Replace suction line grommet and insulation.

SUCTION LINE

WITH SPIN CLOSURE

ACCESS PANEL

RETURN AIR SIDE

OF UNIT

REAR CHANNEL

BRACKET

ZEE COIL

SUPPORT BRACKET

COIL RETAINING BRACKET

TIE BRACKET

RUBBER

GROMMET

Figure 2

Downflow Conversion

NOTE: ATUF models should not be converted to Downflow applications.

“D” nomenclature models are factory equipped for “Dedicated Downflow” operation and no field conversion is required.

Conversion to downflow MUST be performed in an area that allows access to all sides prior to placing the air handler in its final location. To prevent the evaporator coil pan from “sweat- ing” the DPI accessory insulation kit is to be used when per- forming this conversion. NOTE: The DPI kit is not supplied with this product and is to be purchased separately. See Table 7 for the correct DPI kit.

NOTE: The filter provision is not applicable

in THIS downflow application.

Figure 3

7.Install the zee coil supports and the wrapper stiffeners.

8.Install the tie bracket.

9.Install the rear channel bracket.

10.To prevent possible condensate “blow off” the insula- tion retainers are to be laid into the evaporator coil pan as shown in Figure 4.

7