York YK-EP Operation And Maintenance Manual page 8

External wiring, unless specified as an optional connection in the manufacturer's product line, is not to
be connected inside the OptiView cabinet. Devices such as relays, switches, transducers and controls
and any external wiring must not be installed inside the micro panel. All wiring must be in accordance
with Johnson Controls' published specifications and must be performed only by a qualified electrician.
Johnson Controls will NOT be responsible for damage/problems resulting from improper connections
to the controls or application of improper control signals. Failure to follow this warning will void the
manufacturer's warranty and cause serious damage to property or personal injury.
Changeability of this document
In complying with Johnson Controls' policy for continuous product improvement, the information
contained 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 Johnson Controls QuickLIT website at
cgproducts.johnsoncontrols.com.
It is the responsibility of rigging, lifting, and operating/ service personnel to verify the applicability
of these documents to the equipment. If there is any question 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.
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.
Affected pages Description
9 Conditioned Based Maintenance program information added
Associated literature
Description
YK-EP Installation Checklist and Request for Startup Engineer
YK-EP Startup Checklist
YK-EP Maintenance Log Sheet
YK-EP Installation and Reassembly
YK-EP Operation Manual
Wiring Diagram - YK-EP Style B Chillers with OptiView Control Center Water
Pump Starters
Wiring Diagram - YK-EP Style B Chillers with OptiView Control Center Field
Control Modifications
Wiring Diagram - YK-EP Style B Chillers with OptiView Control Center and
Electro-Mechanical Starter
Wiring Diagram - YK-EP Style B Chillers with OptiView Control Center and
Modbus SSS/VSD
8
WARNING
http://
Form number
160.87-CL1
160.87-CL2
160.87-MR1
160.87-N1
160.87-OM1
160.87-PW1
160.87-PW2
160.87-PW4
160.87-PW5
YK-EP Style B Centrifugal Chiller