johNSoN coNtroLS
1-2
ForM 102.20-N1 (1109)
Pre-installation
Off-loading
Proper rigging and handling of the equipment is
mandatory during unloading and setting it into position
to retain warranty status.
Care must be taken to keep the unit in the upright
position during rigging and to prevent damage to the
air and watertight seams in the unit casing. Prevent
unnecessary jarring or rough handling.
For lifting air handling units with lifting lugs or corner
connectors; proper spreader bars and hoisting line
must be used when rigging to prevent damage to the
unit casing
(see Fig. 1-1).
When lifting long units a
special system must be used to insure a minimum 60°
angle between lifting lug and spreader bar/frame
(see
Fig. 1-2 and Table 1-1).
It is also mandatory that an
experienced and reliable rigger be selected to handle
unloading and final placement of the equipment. The
rigger must be advised that the unit contains internal
components and that it be handled in an upright
position. Care must be exercised to avoid twisting the
equipment structure.
Refer to the submittal for the section
weights.
All lifting lugs must be used to avoid
damage to unit. If unit does not have
lifting lugs, use bottom corner connec-
tors and intermediate raceway lifting
lugs. Do not use top corner connec-
tors.
Unit section weights are furnished on the job submittal.
Due to the variance in weight of each unit design, it is
not possible to list unit weights in this instruction. The
submittal must be referred to when selecting a crane
for rigging and figuring roof weight loads. Contact
your Johnson Controls Sales representative if you have
any questions regarding unit weights.
Crane And Spreader Bars
See Fig's 1-1 and 1-2.
Fork lift
Forklifts should not be used to off-load air handlers
except in special circumstances. If moving air handling
equipment with a fork lift or similar means becomes
necessary, always make sure the lifting forks are long
enough to reach from the fork truck to the opposite side
and slightly beyond. It is helpful to leave the shipping
blocks attached to the bottom of the equipment until
in its final location. There is no structural support
under the equipment except what is visible from the
perimeter.
Come-A-longs or Power Pull
See Fig1-3 below
Fig. 1-3 – tYPiCAl COME-A-lOng tYPES
LD09613
tABlE 1-1 - SPACing REQuiREMEntS FOR
OFFlOAding lOng unitS
unit ht.
MAX. LIFTING
lug SPACing
Min. liFting
StRAP lEngth
≤
72"
120"
120"
> 72"
192"
192"
Summary of Contents for YORK SOLUTION LD09624
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