Carrier 38AD - RIGGING Procedures; Skid Removal Steps; Unit Erection and Integration

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Lift unit at points G,H, J, and K (Fig. 2). Use
eyebolts and washers supplied in parts package. Do
not sling unskidded unit Skidded unit may be
slung, provided sling does not contact unit sides.
Do not roll unskidded unit on pipes or wooden
pilings.
Fig. 2 — Weight Distribution and Lifting Points
Table 2 - Weight Distribution
UNIT
WEIGHT (lb)
Total
Leg Location
A
B C
D
E
F
38AD024 1750
175 175 575
575
125 125
38AD028
1900 178
178 521
565
207 251
38AD034
2300 263
263 767
767
120
120
38AD044
3200 ,
359 359 770
810
441
461
38AB054
3145 j
180 605 607
181
- -
38AB064
3830
245 712
714
244
- -
38AB084
4960
327 913
913
327
-
-
SKID REMOVAL
Remove the four bolts (each section) holding
top frame in place and lift frame from unit
(38AD024 thru 044 and 38AB054,064 units).
Compressor (with coil) Section — Raise and block
up one side of unit 8 inches. Remove the three
exposed hold-down bolts from base skid. Lower
unit and repeat on opposite side.
Coil (only) Section (38AB054.064 and 084) -
Raise and block up one end of unit 8 inches.
Remove the two exposed hold-down bolts from
base skid. Lower unit and repeat on opposite end.
ERECTING AND INTEGRATING ONE UNIT
Position Units 38AD028,044 and 38AB054,
064,084 so air flow is unrestricted on all sides and
on top (Fig. 1).
38AD024,034: any side except compressor end
may be installed against a wall if high leg setting is
used and other three sides are unrestricted.
Place 38AB and 38AD units on high leg setting if
accessory damper is used.
Erect Uniteuswrgklegs and gussets attached to unit
base skid(s) or frame. Adjust all corner legs to
desired height before attaching to unit.
38AD024,028,034 AND 044 UNITS - Block up
or suspend unit. With field-supplied bolts, bolt
corner leg and angle gusset to each corner of unit.
Bolt two center legs to bottom of unit where
compressor and coil sections meet. Lower unit.
38AB054,064 AND 084 UNIT - Block up or
suspend compressor (with coil) section. Bolt corner
leg and angle gusset to each corner at coil end. Bolt
two center legs to compressor end. Allow one set
of holes to project out past compressor section.
Bolt two center legs to bottom of unit where
compressor and coil sections meet. Lower unit.
Block up or suspend coil (only) section. Bolt
two corner legs and angle gussets to coil return
bend end. Butt coil (only) section against com¬
pressor compartment, allowing coil to rest on leg
projections. Remove top cover on compressor
compartment and bolt sections together at legs and
sides.
Table 3 — Legs and Gussets Provided
QUANTITY
38AB
38AD
Corner
Leg
Center
Leg
Angle
Gusset
Parts
Pkg*
-
024,028
034
4 2
4
1
-
044_
4 2
-
1
054,064
-
-
4
__
1
084
-
4
-
4
1
*Parts packages in units contain al! mounting fasteners required
for attaching legs and gussets
38AD | 38AD 38AD 38AD
38AB
-1
38AB
38AB
UNIT
024 | 028
034 044
054
064 084
A(in.)
16 16
18 1 -*
16 18 .
20
B(in.)
24 :
24
26 j 20
24 26 ;
28
*Only 044 units use one-piece legs
Fig. 3 — Legs and Gussets
2