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JOHNSON CONTROLS
3
Form 160.78-N1
Issue date: 2/02/2022
Changeability of this document
In complying with Johnson Controls’ policy for con-
tinuous product improvement, the information con-
tained in this document is subject to change without
notice. Johnson Controls makes no commitment to
update or provide current information automatically to
the manual owner. Updated manuals, if applicable, can
be obtained by contacting the nearest Johnson Con-
trols Service office or accessing the Johnson Controls
Knowledge Exchange website at https://docs.johnson-
controls.com/chillers/ .
Operating/service personnel maintain responsibility for
the applicability of these documents to the equipment.
If there is any question regarding the applicability of
these documents, the technician should verify whether
the equipment has been modified and if current litera-
ture is available from the owner of the equipment prior
to performing any work on the chiller.
Associated literature
Manual description Form number
YMC
2
Operations and Maintenance 160.78-O1
YMC
2
Unit Reassembly 160.78-N2
YMC
2
Centrifugal Chiller Long Term Storage 50.20-NM5
YMC
2
Field Connections 160.78-PW1
YMC
2
Unit Wiring and Field Control Modifications 160.78-PW2
YMC
2
Unit Renewal Parts 160.78-RP1
YMC
2
OptiView
TM
Operation 160.78-O2
OptiSpeed
TM
VSD Model HYP744 Renewal Parts 160.78-RP3
Affected pages Description
14 Unit security paragraph added to caution notice.
Revision notes
Revisions made to this document are indicated in the following table. These revisions are to technical information,
and any other changes in spelling, grammar, or formatting are not included.