Carrier 48ZT, ZN030-105, ZW Primary Drain Connection, Slab-MountedCondensate, Drain Piping Details

Fig. 24 — Primary Drain Connection

A= 4-in. (102 mm) min — Sizes 030-070 7-in. (178 mm) min — Sizes 075-105

Fig. 25 — Slab-Mounted Condensate

Drain Piping Details

Fig. 26 — Secondary Condensate Drain Location

Fig. 27 — Secondary Drain Seal Plate Location

A= 4-in. (102 mm) min — sizes 030-070 7-in. (178 mm) min — sizes 075-105

Fig. 28 — Curb-Mounted Condensate

Drain Pipe Details

Install Outdoor Hoods (48ZG,ZN,Z6,Z8 Units)

UNIT SIZES 030-050

25% Outdoor-Air Hoods (Units without Economizer Option) (Fig. 29)

1.Outdoor-air hoods are shipped bolted to the unit in a ship- ping position. Remove the 6 screws holding each 25% outdoor air hood shipping cover in place.

2.Remove the holddown screw from each upper corner of each hood.

3.Pivot hoods outward (2 hoods).

4.Install 17 screws around outside of each hood. (Screws are in the fastener package taped to the basepan inside the fan section.)

5.Apply a bead of RTV or similar sealant to corner of each hood at pivot point to prevent water leaks. See Fig. 30.

Economizer Hoods (Units with Economizer Option) (Fig. 31 and 32)

1.Remove the 4 screws holding each of the 2 economizer side hoods in place.

2.Pivot hoods outwards (2 hoods).

3.Apply seal strip to vertical flange of hood sides.

4.Install hood sides of hood top using 19 screws (7 each side, 5 top). Screws are in fastener package located with the hood sides and seal strip which is taped inside the unit.

5.Apply a bead of RTV or similar sealant to corners of economizer hoods to prevent water leaks.

UNIT SIZES 055-105

25% Outdoor-Air Hoods (Fig. 33) — The outdoor-air hoods are factory installed on the 055-105 units.

Economizer Hoods (Units with Economizer Option) (Fig. 34-36)

1.Remove the 6 screws holding each of the 4 economizer shipping covers in place.

2.Remove the holddown screw from each upper corner of each economizer hood.

3.Pivot hoods outward (4 hoods).

4.Apply seal strip to vertical flange of hood sides.

5.Install 18 screws (5 each side, 6 top, and 2 bottom) around the outside of each hood. (Screws are in the fas- tener package taped to the basepan inside the fan section.)

6.Apply a bead of RTV or similar sealant to corner of econ- omizer hood at pivot point to prevent water leaks. (See Fig. 30.)

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