JOHNSON CONTROLS
3
Form 201.28-NM1.1
Issue date: 08/06/2021
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 or product owner. Updated manuals, if
applicable, can be obtained by contacting the nearest
Johnson Controls Service office or accessing the John-
son Controls Knowledge Exchange website at https://
docs.johnsoncontrols.com/chillers/
It is the responsibility of rigging, lifting, and operat-
ing/ service personnel to verify the applicability of
these documents to the equipment. If there is any ques-
tion regarding the applicability of these documents,
rigging, lifting, and operating/service personnel should
verify whether the equipment has been modified and
if current literature is available from the owner of the
equipment prior to performing any work on the chiller.
Changeability of this document
Associated literature
Manual description Form number
Equipment Pre-Startup and Startup Checklist 201.28-CL2
YVAA Style A Frame Size 015 - 027, 2 Compressor 60 Hz (150-350 Tons)
YVAA Style A Frame Size 054 - 098, 2 Compressor 50 Hz (525-950 KW) Manufactured before April 2012
201.28-RP1
YVAA Style A Frame Size 015 - 052, 2 Compressor 50 & 60 Hz (150-500 Tons)
(Manufactured after April 2012 to before September 2014)
201.28-RP2
YVAA Style B Frame Size 015 - 052, 2 Compressor 50 & 60 Hz (150-500 Tons)
(Manufactured after September 2014)
201.28-RP3
Affected pages Description
20 Water box heater text updated
37 Chilled liquid requirements text updated
100,101 Freeze damage protection text updated
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.
Conditioned based maintenance
Traditional chiller maintenance is based upon assumed
and generalized conditions. In lieu of the traditional
maintenance program, a Johnson Controls YORK
Conditioned Based Maintenance (CBM) program can
be substituted. This CBM service plan is built around
the specific needs for the chiller, operating conditions,
and annualized impact realized by the chiller. Your lo-
cal Johnson Controls Branch can propose a customized
Planned Service Agreement that leverages real time
and historical data, delivering performance reporting,
corrective actions required and data enabled guidance
for optimal operation and lifecycle assurance. The pro-
gram will include fault detection diagnostics, operation
code statistics, performance based algorithms and ad-
vance rules based rationale delivered by the Johnson
Controls Connected Equipment Portal.
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