JOHNSON CONTROLS
10
Form 160.78-N1
Issue date: 2/02/2022
Section 1 - Shipping
• Other shipped loose items, including piping, wa-
ter temperature controls, and wiring
• Inhibitor (variable speed drive)
Form 7
The chiller is shipped in four assemblies:
1. The driveline (compressor/motor assembly)
2. The evaporator
3. The condenser
4. The variable speed drive (VSD)
5. Miscellaneous shipped loose items
Refrigerant charges are shipped separately.
Arrangements with the local service of-
fice must be made to ensure refrigerant is
on-site when unit is ready to be charged.
Prior to shipping, the unit is completely assembled at
the factory. Interconnecting piping is assembled and
the complete unit is wired and leak-tested.
The unit is then dismantled and shipped as follows:
Driveline
The driveline (compressor/motor assembly) is re-
moved from shells and skidded.
• All integral wiring is left on the compressor.
• All wiring harnesses on shells are removed.
• All openings on the compressor are closed and
shipped charged with a 2 psig to 3 psig (14 kPa to
20 kPa) holding charge of dry nitrogen.
Shells
The evaporator and condenser are separated at the tube
sheets and prepared for shipping separately but not
skidded.
• All conduit is left on the shells.
•
Refrigerant lines between shells are flanged and
capped, requiring no welding.
• All openings the shells are closed and charged
with a 2 psig to 3 psig (14 kPa to 20 kPa) holding
charge of dry nitrogen.
Variable speed drive (VSD)
The variable speed drive is skidded and shipped sepa-
rately from the assembled chiller.
• The variable speed drive
is filled with glycol for
shipping. The variable speed drive inhibitor is
shipped with the other loose items.
Miscellaneous items
The following assemblies and items are shipped to-
gether:
• OptiView™ Control Center
• Magnetic bearing controller (MBC)
• Four vibration isolation pads or optional spring
isolators and brackets
• Variable speed drive inhibitor
• Other shipped loose items, including piping, wa-
ter temperature controls, wiring, and isolators
Form 9
The chiller is shipped in two assemblies:
1. The chiller unit (less the variable speed drive)
2. The variable speed drive
3. Miscellaneous shipped loose items.
Refrigerant charges are shipped separately.
Arrangements with the local service of-
fice must be made to ensure refrigerant is
on-site when unit is ready to be charged.
Chiller unit
The unit is first completely assembled at the factory:
• The driveline (compressor/motor assembly) is
mounted, with all necessary interconnecting pip-
ing assembled.