York eco2 YCAS0425EB Installation Operation & Maintenance page 3

SECTION 7 TECHNICAL DATA
Temperatures and Flows ....................................................................................................................... 45
Water Pressure Drop ............................................................................................................................. 45
Glycol Correction Factors ...................................................................................................................... 46
Physical Data ....................................................................................................................................... 47
Operating Limitations (SI) ................................................................................................................. 47
Sound Power Data ............................................................................................................................ 47
R-22 Refrigerant ............................................................................................................................... 48
Electrical Data ....................................................................................................................................... 50
Multiple Point Power Supply Connection - 2 Compressor Units ..................................................... 50
Optional Single-Point Power Supply Connection with Individual System Circuit Breakers ............ 50
Optional Single-Point Power Supply Connection - 2 Compressor Units ......................................... 52
Optional Single-Point Power Supply Connection to Factory Circuit Breaker .................................. 52
Control Power Supply ....................................................................................................................... 54
Compressor Data .............................................................................................................................. 54
Fan Data
Electrical Notes & Legend ................................................................................................................ 55
Power Connection Options .................................................................................................................... 56
Style "F" 2 Compressor Power Wiring Connections
Multiple Point Power Supply Connection - Standard Unit .............................................................. 56
Optional Single-Point Power Supply Connection with Individual System Circuit Breakers ............ 56
Optional Single-Point Power Supply Connection with Field Supplied Circuit Protection ............... 57
Optional Single-Point Power Supply Connection to Factory Circuit Breaker .................................. 57
Wiring Diagrams .................................................................................................................................... 58
Dimensions
YCAS0425EB - YCAS0575EB ......................................................................................................... 76
YCAS0605EB .................................................................................................................................... 78
Operating Weights - Aluminum & Black Fin Coils ................................................................................ 80
Isolator Selection - Aluminum & Black Fin Coils .................................................................................. 80
Operating Weights - Copper Fin Coils & Perimeter Sound Enclosure ................................................ 81
Installation Instructions for VMC Series AWR / AWMR and CP Restrained Mountings ...................... 82
Isolator Details ....................................................................................................................................... 83
Isolator Locations .................................................................................................................................. 85
Clearances
Refrigerant Flow Diagram ..................................................................................................................... 87
Process and Instrumentation Diagram ................................................................................................. 88
Component Locations ........................................................................................................................... 89
Compressor Components ..................................................................................................................... 90
SECTION 8 START-UP
System Start-up Checklist ..................................................................................................................... 96
SECTION 9 MICRO PANEL CONTENTS
Chiller Control Panel Programming & Data Access ...................................................................... 100
Display and Status Information Keys ............................................................................................. 100
Program & Setup Keys ................................................................................................................... 100
1. INTRODUCTION & PHYSICAL DESCRIPTION ............................................................................. 101
1.1 General .................................................................................................................................. 101
1.2 Keypad & Display .................................................................................................................. 101
1.3 Unit (Chiller) ON / OFF Switch .............................................................................................. 101
1.4 Microprocessor Board ........................................................................................................... 101
1.5 Ancillary Circuit Boards ......................................................................................................... 102
1.6 Circuit Breakers ..................................................................................................................... 103
1.7 Current Transformers (C.T.) .................................................................................................. 103
1.8 Transformers ......................................................................................................................... 103
1.9 Motor Protector Modules ....................................................................................................... 103
1.10 EMS / BAS Connections ....................................................................................................... 105
1.11 Microprocessor Board Layout ............................................................................................... 107
1.12 Logic Section Layout ............................................................................................................. 108
YORK INTERNATIONAL
TABLE OF CONTENTS
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....................................................................................................................................... 76
....................................................................................................................................... 86
FORM 201.18-NM8
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