York eco YCAS Series Manual page 5

TABLE OF CONTENTS (CONT’D)
Compressor Terminal Box – Systems 1- 4 ........................................................................................... 111
Dimensions ........................................................................................................................................... 112
YCAS0218EB - 0268EB (English) (60 Hz) ............................................................................................. 112
YCAS0288EB (English) (60 Hz) ........................................................................................................... 114
YCAS0308EB (English) (60 Hz) ........................................................................................................... 116
YCAS0328EB (English) (60 Hz) ........................................................................................................... 118
YCAS0358EB (English) (60 Hz) ........................................................................................................... 120
YCAS0398EB - 0418EB (English) (60 Hz) ............................................................................................. 122
YCAS0218EB - 0268EB (SI) (60 Hz) ..................................................................................................... 124
YCAS0288EB (SI) (60 Hz) .................................................................................................................... 126
YCAS0308EB (SI) (60 Hz) .................................................................................................................... 128
YCAS0328EB (SI) (60 Hz) .................................................................................................................... 130
YCAS0358EB (SI) (60 Hz) .................................................................................................................... 132
YCAS0398EB - 0418EB (SI) (60 Hz) ..................................................................................................... 134
YCAS0685EB (SI) (50 Hz) .................................................................................................................... 136
YCAS0775EB - 0905EB (SI) (50 Hz) ..................................................................................................... 138
YCAS0965EB (SI) (50 Hz) .................................................................................................................... 140
YCAS1065EB - 1215EB (SI) (50 Hz) ..................................................................................................... 142
Clearances ........................................................................................................................................... 144
Weight Distribution and Isolator Mounting Positions (60 Hz) .......................................................... 145
Neoprene Isolator Details .................................................................................................................... 151
1" Isolator Details ................................................................................................................................ 152
Seismic Isolator Details ....................................................................................................................... 153
Weight Distribution and Isolator Mounting Positions (50 Hz) .......................................................... 154
Installation Instructions for VMC Series AWR/AWMR and CP Restrained Mountings ................. 156
Refrigerant Flow Diagram ................................................................................................................... 157
Process and Instrumentation Diagram ............................................................................................... 158
Component Locations – 3 Compressor Units ...................................................................................... 159
Component Locations – 4 Compressor Units ...................................................................................... 160
Compressor Components ..................................................................................................................... 161
System Startup Checklist .................................................................................................................... 167
Unit Checks ......................................................................................................................................... 167
Panel Checks ....................................................................................................................................... 168
Initial Start-up ...................................................................................................................................... 169
Checking Subcooling and Superheat .................................................................................................. 169
Checking Economizer Superheat ........................................................................................................ 170
Leak Checking .................................................................................................................................... 170
SECTION 8 MICRO PANEL CONTENTS ......................................................................................... 171
Chiller Control Panel Programming and Data Access Keys ................................................. 171
Display and Status Information Keys ....................................................................................... 171
ON / OFF Rocker Switch ............................................................................................................171
Program & Setup Keys ..............................................................................................................171
1. INTRODUCTION & PHYSICAL DESCRIPTION ................................................................................. 172
1.1 General ....................................................................................................................172
1.2 Keypad & Display .................................................................................................. 172
1.3 Unit (Chiller) On / OFF Switch ............................................................................... 173
1.4 Microprocessor Board ...........................................................................................173
1.5 Ancillary Circuit Boards ......................................................................................... 173
1.6 Circuit Breakers ...................................................................................................... 174
1.7 Current Transformers (C.T.) ................................................................................... 174
1.8 Transformers .......................................................................................................... 175
1.9 Motor Protector Modules ......................................................................................175
5