York YHAU-CW - Page 6

JOHNSON CONTROLS
6
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
TABLE OF CONTENTS (CONT'D)
SECTION 4 - TECHNICAL DATA ...........................................................................................................................37
Additional Information ............................................................................................................................83
Upper Communication Specification ..............................................................................................................84
Upper Communication System Conguration .......................................................................................84
Scope of Delivery ..................................................................................................................................85
Connection Port for Ethernet Communication .......................................................................................85
Communication Specication ................................................................................................................86
Communication Data ............................................................................................................................. 86
User-Created ........................................................................................................................................ 87
4 Wire Type Cable Diagrams ................................................................................................................90
NOISE EMISSON ...........................................................................................................................................92
SECTION 5 - COMMISSIONING ............................................................................................................................93
General Guidelines for Use ............................................................................................................................93
Before Operation ...................................................................................................................................93
Precautions for the Use of Steam ..................................................................................................................94
Chilled Water Outlet Temperature Controller .................................................................................................. 95
Liquid Level Gauges ..............................................................................................................................95
Start the Chiller ...............................................................................................................................................95
Stop the Chiller ............................................................................................................................................... 95
SECTION 6 – OPERATION ..................................................................................................................................105
YHAU-CW Control Center ........................................................................................................................... 105
Common Items .............................................................................................................................................105
Change Numeric Values ...............................................................................................................................106
Operating Status ..........................................................................................................................................107
Failure .................................................................................................................................................122
Alarm ...................................................................................................................................................124
Control Parameter ...............................................................................................................................127
Date and Time ..............................................................................................................................................128
Operation Switch .................................................................................................................................129
Select Unit ....................................................................................................................................................129
SI unit: It is to select the metric unit display. .................................................................................................129
US unit: It is to select the imperial unit display. ............................................................................................129
Select Language ..........................................................................................................................................129