Table Of Contents - York eco YCAS Series Manual

Optimized r-407c air-cooled liquid chiller

Table of Contents

Introduction ............................................................................................................................................. 11

Warranty ................................................................................................................................................. 11

Safety ....................................................................................................................................................... 11

Standards for Safety .............................................................................................................................. 11

Responsibility for Safety ........................................................................................................................12

About this Manual ................................................................................................................................... 12

Misuse of Equipment ...............................................................................................................................12

Suitability for Application ..................................................................................................................... 12

Structural Support ................................................................................................................................. 12

Mechanical Strength ............................................................................................................................. 12

General Access ...................................................................................................................................... 12

Pressure Systems .................................................................................................................................. 12

Electrical ................................................................................................................................................ 12

Rotating Parts ........................................................................................................................................ 13

Sharp Edges .......................................................................................................................................... 13

Refrigerants and Oils ............................................................................................................................. 13

High Temperature and Pressure Cleaning ............................................................................................. 13

Emergency Shutdown ..............................................................................................................................13

SECTION

PRODUCT DESCRIPTION

Introduction ............................................................................................................................................. 14

General Description ............................................................................................................................... 14

Compressor ........................................................................................................................................... 14

Evaporator ............................................................................................................................................. 15

Condenser ............................................................................................................................................. 15

Oil Separator / System ........................................................................................................................... 16

Oil Cooling ............................................................................................................................................. 16

Capacity Control .................................................................................................................................... 16

Power and Control Panels ..................................................................................................................... 16

Microprocessor Controls ...................................................................................................................... 17

Motor Current Protection ...................................................................................................................... 17

Motor Protector Module ....................................................................................................................... 17

Current Overload ................................................................................................................................... 18

Thermal Overload .................................................................................................................................. 19

Current Imbalance ................................................................................................................................. 19

Improper Phase Sequence ..................................................................................................................... 19

Motor Protector Dip Switch Settings .................................................................................................... 20

Motor Starting .........................................................................................................................................24

Keypad Controls ......................................................................................................................................24

Display ................................................................................................................................................... 24

Entry ...................................................................................................................................................... 25

Setpoints ............................................................................................................................................... 25

Clock ...................................................................................................................................................... 25

Print ....................................................................................................................................................... 25

Program .................................................................................................................................................. 25

Accessories and Options ........................................................................................................................25

Multiple Point Power Connection (Standard) ....................................................................................... 25

Single-Point Power Connection with Individual Circuit Protection ...................................................... 25

Single-Point Power Connection with Combined Circuit Protection ...................................................... 25

Single-Point Power Connection without Circuit Protection .................................................................. 25

Control Circuit Terminal Block ............................................................................................................... 25

Building Automation System (BAS) Interface ...................................................................................... 25

Condenser Coil Protection .................................................................................................................... 25

DX Cooler Options ..................................................................................................................................26