Carrier 38HQ User Manual download pdf (Page 4)

does not obstruct drainage holes (holes drain water

during heating and defrost cycles). Attach unit to

pad with 1/4-in. mounting bolts. Position tiedown

bolts in pad. Any 2 holes in unit basepan may be

used to fasten unit to pad.

Construct round, 23-in. diameter pad a mihimum

of 6 in. above grade to provide clearance under holes

for drainage and ice build-up. In areas where pro

longed subfreezing temperatures or heavy snows

occur: increase clearance from 12 to 18 in. by con

structing an angle-iron frame to support unit 12 to

18 in. off concrete base. Cross angle of frame must

not obstruct coil drainage holes. See Fig. 5 for

recommended frame construction. Extend a 12-in.

gravel apron around pad for condensate and defrost

water drainage field.

Fig. 5 — Mounting the Outdoor Coil

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Carrier 38HQ User Manual Page 4