Carrier 38HQ User Manual

Page 4

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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