JOHNSON CONTROLS
24
FORM 201.30-ICOM1 (519)
ISSUE DATE: 05/22/2019
SECTION 3 - HANDLING, STORAGE, INSTALLATION AND REASSEMBLY
Chiller Unit (Form 1)
The unit is completely assembled at the factory.
• The driveline (compressor/motor assembly) is
mounted and all the necessary interconnecting
piping is assembled.
• The complete unit is factory leak-tested, evacuat-
ed, and shipped charged with R-134a refrigerant.
• The Variable Speed Drive (VSD) is mounted,
wired, and shipped with glycol.
Miscellaneous Items
The following items are shipped together:
• Four vibration isolation pads (or optional spring
isolators and brackets)
• VSD inhibitor
• Other shipped loose items, including piping, wa-
ter temperature controls, wiring, etc.
Chiller Unit (Form 2)
The unit is completely assembled at the factory.
• The driveline (compressor/motor assembly) is
mounted and all the necessary interconnecting
piping is assembled.
• The complete unit is factory leak-tested, evacu-
ated, and shipped charged without R-134a refrig-
erant.
• The VSD is mounted, wired, and shipped with
glycol.
Miscellaneous Items
The following items are shipped together:
• Four vibration isolation pads (or optional spring
isolators and brackets)
• VSD inhibitor
• Other shipped loose items, including piping, wa-
ter temperature controls, wiring, etc.
Chiller Unit (Form 7)
The unit is factory assembled, refrigerant piped, wired
and leak tested and then dismantled for shipment. The
close-coupled compressor/motor assembly and VSD is
removed from the shells and skidded separately.
Form 7 YVWA chillers are shipped in the following as-
semblies:
• The driveline (compressor/motor assembly)
• Evaporator
• Condenser
• Variable Speed Drive (VSD)
• Control Panel
• Oil Separator
• One Muffler Kit (w/ isolation ball valve)
• One Discharge Piping Kit
• Loose piping and wiring harnesses
• Miscellaneous items
Protective covering is furnished on the drivelines,
control center, VSD, and unit-mounted controls. Wa-
ter nozzles are capped with fitted plastic enclosures.
All Form 7 components are protected with industrial-
grade, reinforced shrink-wrapped covering and shipped
in split assemblies without refrigerant charge.
Refrigerant charges are shipped separately.
Arrangements with the local Johnson
Controls Field Service Office must be
made to make sure refrigerant is on-site
when the unit is ready to be charged.
One Driveline
The driveline (compressor/motor assembly) is re-
moved from the shell and skidded.
• Motor Terminal Box and all integral wiring is left
on the compressor.
• All openings on the compressor are closed and
shipped charged with a 2-3 psig (115-122 kPa)
holding charge of dry nitrogen.
Shells
The evaporator and condenser are split apart at the tube
sheets, and prepared for shipping separately.
• All conduit is removed from the shells.
• All wiring harnesses on the shells are removed.
• Refrigerant lines between the shells are flanged
and capped, requiring no welding.
• All openings on the shells are closed and charged
with a 2-3 psig (115-122 kPa) holding charge of
dry nitrogen.
• Hardware is added to the package with the miscel-
laneous nuts, bolts, and fittings.
Summary of Contents for YVWA
Page 155: ...JOHNSON CONTROLS 155 NOTES...
