York YCAS0130 - Manual

York YCAS0130

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Table of Contents:

  • Page 2 – CHANGEABILITY OF THIS DOCUMENT; ed since manufacture.; Web address for the Revision Sheet
  • Page 3 – READ BEFORE PROCEEDING!; GENERAL SAFETY GUIDELINES
  • Page 4 – TABLE OF CONTENTS; SECTION 1 - GENERAL CHILLER
  • Page 5 – SECTION 5 - COMMISSIONING
  • Page 6 – SECTION 8 - MICRO PANEL CONTENTS; INTRODUCTION & PHYSICAL DESCRIPTION 123
  • Page 7 – SECTION 9 - MAINTENANCE; LIST OF TABLES
  • Page 8 – LIST OF FIGURES
  • Page 9 – INTRODUCTION; Standards for Safety; GENERAL CHILLER INFORMATION & SAFETY
  • Page 10 – RESPONSIBILITY FOR SAFETY; General Chiller Information & Safety
  • Page 11 – Rotating Parts; fl; High Temperature and Pressure Cleaning; EMERGENCY SHUTDOWN
  • Page 12 – General Description; Compressor; ciencies and reliable per-; PRODUCT DESCRIPTION; COMPONENT LOCATIONS; Product Description
  • Page 13 – Evaporator; SCREW COMPRESSOR
  • Page 14 – Economizer; Oil Cooling
  • Page 15 – Each power compartment contains:
  • Page 16 – HAXXX; rst start, the modules’ contacts; Current Overload; ed that the set tings are
  • Page 17 – Thermal Overload; unloaded compressor condition; Improper Phase Sequence
  • Page 18 – TABLE 1 –; MOTOR PROTECTOR DIP SWITCH SETTING
  • Page 19 – MOTOR PROTECTOR DIP SWITCH SETTING (CONT’D)
  • Page 20 – YCAS STYLE G, WYE DELTA START – 60 HZ
  • Page 22 – MOTOR STARTING; Display
  • Page 23 – ACCESSORIES AND OPTIONS
  • Page 24 – DX EVAPORATOR AND STARTER OPTIONS; UNIT ENCLOSURES OPTIONS
  • Page 25 – UNIT NOMENCLATURE; OPTIONS MODEL; YCAS; BASIC P
  • Page 27 – HANDLING AND STORAGE; DELIVERY AND STORAGE; Unit must be “blocked” so that the base is not; INSPECTION; Lifting Weights
  • Page 28 – UNIT RIGGING; Handling and Storage
  • Page 29 – INSTALLATION; LOCATION REQUIREMENTS
  • Page 30 – Installation; COMPRESSOR FEET BOLT REMOVAL; After the chiller is placed in the; – COMPRESSOR MOUNTING
  • Page 31 – VIBRATION ISOLATORS; Technical Data; SHIPPING BRACES; General Requirements; The maximum
  • Page 32 – PIPEWORK ARRANGEMENT; Flexible; WATER TREATMENT
  • Page 33 – Optional Flanges; VICTAULIC GROOVE
  • Page 34 – ELECTRICAL CONNECTION; Units with Single-Point Power Supply Wiring; Units require only one 3-phase supply plus ground.; 15VAC CONTROL SUPPLY TRANSFORMER
  • Page 35 – CONTROL PANEL WIRING
  • Page 36 – POWER PANEL SECTION; OPTIONAL DISCONNECT SWITCH
  • Page 37 – OPTION PANEL SECTION
  • Page 38 – PHOTOGRAPH OF; LOGIC SECTION LAYOUT; ITEM
  • Page 39 – LOGIC SECTION LAYOUT WITH CONTROL PANEL
  • Page 40 – CUSTOMER CONNECTIONS; CUSTOMER
  • Page 42 – or cop per line, but do not tighten the; COMMISSIONING; PREPARATION; Millennium; PREPARATION – POWER OFF; Commissioning
  • Page 43 – The machine is now live!
  • Page 44 – cient heat load
  • Page 45 – This page intentionally left blank.
  • Page 46 – Op er a tion; GENERAL DESCRIPTION; NORMAL RUNNING AND CYCLING; ciency while main tain ing suf-; SHUTDOWN; OPERATION
  • Page 48 – TECHNICAL DATA; FLOW RATE AND PRESSURE DROP CHARTS; Excessive; GLYCOL CORRECTION FACTORS; GLYCOL CORRECTION EXAMPLE:
  • Page 49 – TEMPERATURE AND FLOWS
  • Page 51 – PHYSICAL DATA; ENGLISH UNITS
  • Page 52 – SI UNITS
  • Page 53 – OPERATING LIMITATIONS AND SOUND POWER DATA; OPERATING LIMITATIONS –
  • Page 54 – ELECTRICAL DATA; MULTIPLE POINT POWER SUPPLY CONNECTION; Two; Start and
  • Page 56 – One; COMPRESSOR UNITS
  • Page 61 – COMPRESSOR DATA; MAXIMUM kW AND AMPERAGE VALUES FOR DXST COMPRESSORS
  • Page 62 – ELECTRICAL NOTES; CONTROL MCA MAX DUAL NON-FUSED
  • Page 64 – WIRING DIAGRAM
  • Page 66 – ELEMENTARY DIAGRAM; ELEMENTARY DIAGRAM – ACROSS-THE-LINE START
  • Page 67 – CONTR
  • Page 68 – WIRING DIAGRAM – WYE-DELTA START
  • Page 69 – ELEMENTARY DIAGRAM – WYE-DELTA START
  • Page 73 – CONTROL PANEL COMPONENT LOCATION
  • Page 78 – COMPRESSOR TERMINAL BOX
  • Page 83 – YCAS X Y Z
  • Page 90 – CLEARANCES
  • Page 91 – Aluminium and Black Fin Condenser Coils; WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONS
  • Page 92 – ISOLATOR MAX LOAD DEFL. SPRING; ISOLATOR DETAILS
  • Page 93 – TYPE AWMR ISOLATOR DETAILS; ISOLATOR
  • Page 95 – Copper Fin Condenser Coils
  • Page 99 – Aluminium Fin Condenser Coils
  • Page 101 – Aluminium Fin Condenser Coils with Silencer Kit
  • Page 102 – Aluminum Fin Condenser Coils
  • Page 103 – Copper Fin Condenser Coils with Silencer Kit
  • Page 107 – INSTALLATION INSTRUCTIONS FOR
  • Page 108 – REFRIGERANT FLOW DIAGRAM
  • Page 109 – PROCESS AND INSTRUMENTATION DIAGRAM; SYSTEM COMPONENTS
  • Page 110 – Control Panel
  • Page 111 – COMPRESSOR COMPONENTS
  • Page 112 – COMPRESSOR COMPONENTS – CONT’D
  • Page 115 – NO. PART NAME
  • Page 117 – SYSTEM STARTUP CHECKLIST
  • Page 118 – PROGRAMMED VALUES; Range =; PANEL CHECKS; SWITCH
  • Page 119 – CHECKING SUBCOOLING AND SUPERHEAT; SYS 1 SYS 2
  • Page 120 – Record the suc tion tem per a ture, suction pres sure,; LEAK CHECKING; ttings, and pip ing to; SYS 1 SYS 2
  • Page 122 – DISPLAY AND STATUS INFORMATION KEYS; keys are also used for scrolling through in for -; Micro Panel Contents
  • Page 124 – MICROPROCESSOR BOARD; System Switches 1 - 4; ANCILLARY CIRCUIT BOARDS; Power Sup ply Board
  • Page 125 – Relay Output Boards; CIRCUIT BREAKERS; for control sys tem cir cuit ry ser vic ing: spe ci; MOTOR PROTECTION MODULES
  • Page 127 – MOTOR PROTECTION MODULE; TOP VIEW; SIDE VIEW
  • Page 128 – CONTROLS; Nev er bypass a; Remote Current Reset; Closing the input contact for a de; rst press any
  • Page 129 – Remote Setpoint Temperature Reset; To determine the new setpoint; , add the reset to the; the; This new; rst press any oth er dis play
  • Page 130 – DESCRIPTION; MICROPROCESSOR BOARD LAYOUT; COMPONENT LAYOUT
  • Page 131 – 0 HZ MODEL LOGIC SECTION
  • Page 132 – cient time to cool before it is restarted.; TIMER
  • Page 133 – LEAD / LAG COMPRESSOR SELECTION
  • Page 134 – ECONOMIZER SOLENOID CONTROL; For the
  • Page 136 – GENERAL STATUS MESSAGES
  • Page 137 – Run Permissive Contacts OPEN:; System Loading Requirement:; WARNINGS; Low Battery Warning
  • Page 138 – Incorrect Unit Type Warning:; ANTICIPATION CONTROL STATUS; Discharge Pressure Limiting:; See; Incorrect Refrigerant Warning:; nitely on power res to ra tion and the chiller
  • Page 139 – High Ambient Temperature Cutout:; UNIT FAULT STATUS MESSAGES; ed and cooling demand requires; Low Ambient Temperature Cutout:; Suction Temperature Limiting:
  • Page 140 – High Discharge Pressure Cutout:; Never bypass a; MESSAGES; S Y S # N O R U N P E R M
  • Page 141 – Low Suction Pressure Cutout:; Low Oil Differential Pressure Cutout:; AMBIENT TEMP RAMP TIME; High Oil Temperature Cutout:; Suction Pressure Cutout With; SUCTION PRESSURE CUTOUT; S Y S # L O W O I L D I F F
  • Page 142 – Low Motor Current Safety prevents
  • Page 143 – PRINTOUT ON FAULT SHUTDOWN; ciencies; Motor Protection Module
  • Page 144 – CHILLED LIQUID TEMPS KEY; L C H L T = 4 4 . 2 ° F
  • Page 145 – Slide valve position is AP PROX I MATE; AMBIENT TEMP KEY
  • Page 146 – rst Option Switch message.; OPERATING HRS / START COUNTER KEY; Maximum; DIP SWITCH SETTINGS
  • Page 147 – SWITCH 3: Refrigerant; ENLARGED PHOTOGRAPH OF DIP; DO NOT USE THIS POSITION.
  • Page 148 – Placing the switch in the OPEN position, con; KEY; Standard Options Enabled.
  • Page 149 – OPERATING DATA –; YCAS 2 System Models :; Repetitively pressing the; OPER DATA KEY; L O A D T I M E R 1 0 S E C
  • Page 150 – The following sequence of three displays are provided; PWM CURR – EMS PWM Current Limiting Enabled
  • Page 151 – S Y S # F A N S T A G E 3; SOFTWARE VERSION; S O F T W A R E V E R S I O N
  • Page 152 – HISTORY KEY; S H U T D O W N O C C U R R E D
  • Page 153 – (HEAT RECOVERY MUST BE
  • Page 154 – rst for
  • Page 156 – FAULT HISTORY DATA –
  • Page 157 – KEYPAD; rst character to be programmed in the; KEYS; The
  • Page 158 – SETPOINTS KEYS & CHILLED LIQUID CONTROL; cien cy by spreading the cooling load be-; CHILLED LIQUID TEMPERATURE
  • Page 159 – Slide Valve Control; Load Timers; • Load Timers are always set at 10 seconds be tween; Slide Valve Position; ERROR; Negative Unload Unload Hold; RATE; Negative Zero Positive
  • Page 160 – Compressor Unloading and Shutdown Sequence; ANTICIPATORY LOAD LIMITING CONTROLS; c system, even though there is a need for addi-; Percentage of Motor
  • Page 161 – ANTICIPATORY UNLOADING CONTROLS
  • Page 162 – LOCAL COOLING SETPOINTS KEY; rst digit of the Range as shown:; REMOTE COOLING SETPOINTS KEY; ned period of time and allows reset of the set point
  • Page 163 – rst digit of the; O U T O F R A N G E -; SET TIME KEY; rst digit of the time as shown:; T O D A Y I S M O N 1 1 . 1 2 A M
  • Page 164 – When the display appears, the cursor will; SET SCHEDULE / HOLIDAY KEY
  • Page 165 – MANUAL OVERRIDE KEY; M A N U A L
  • Page 166 – High Discharge Pressure Cut-Out; rst 5 seconds of operation after which if the cut out point; P R O G R A M M O D E
  • Page 167 – High Discharge Pressure Unload Point; S U C T I O N P R E S S U R E; Programmed
  • Page 168 – Low Leaving Liquid Temperature Cutout; L O W A M B I E N T T E M P
  • Page 169 – Local/Remote Communications
  • Page 170 – To program the default values into memory,; Automatic/Manual Power Failure Restart
  • Page 171 – Program Value
  • Page 172 – ELECTRONIC EXPANSION VALVE; ELECTRONIC EXPANSION VALVE; IN
  • Page 173 – EEV OPERATION; 4VAC HEAT MOTOR
  • Page 174 – LOW SUPERHEAT CUTOUT SAFETY; SENSOR FAILURE CUTOUT SAFETY; S U C T S H E A T = X X X . X o F; OPERATING DATA PRINTOUT
  • Page 175 – PROGRAM MODE DISPLAYS; PROGRAM VALUE MODE LOW LIMIT HIGH LIMIT DEFAULT; TABLE 2
  • Page 176 – EEV TROUBLESHOOTING; TROUBLESHOOTING; The system shuts down on Low Suction
  • Page 177 – CONDENSER FAN LAYOUT FOR DXST 2; CONDENSER FAN CONTROL
  • Page 178 – TABLE 3 –; TABLE 4 –; CONDENSER FAN CONTROL AND FAN CONTACTOR DATA FOR DXST UNITS
  • Page 179 – ** The chiller must always be programmed for YCAS; TABLE 5 –; SERVICE MODE
  • Page 180 – TABLE 6 –
  • Page 181 – TABLE 6 –
  • Page 182 – TABLE 7 –
  • Page 183 – TABLE 7 –
  • Page 184 – SERVICE MODE: VIEWING INPUTS AND OUTPUTS; S Y S 1 R U N P E R M
  • Page 185 – Ambient Temperature Sensor; SENSOR CALIBRATION CHARTS; Pressure Transducers
  • Page 186 – DIGITAL OUTPUTS
  • Page 187 – ANALOG INPUTS
  • Page 188 – DIGITAL INPUTS; ANALOG OUTPUTS
  • Page 189 – rst 4 are analog values and the last 4 are; TRANSMITTED DATA; ISN RECEIVED DATA; ISN TRANSMITTED DATA
  • Page 192 – ISN OPERATIONAL AND FAULT CODES; * The operational and fault codes are de
  • Page 194 – GENERAL REQUIREMENTS; ed Service Engineer.; ca tions or ancillary equipment; Daily/Weekly Maintenance; : Press the ‘STATUS’ key on the keypad; Refrigerant Leaks; compressors and pipework for damage and gas leaks.; CONDENSER COILS; Operating conditions; : Read the operating pressures and; Compressor oil level; : Check the compressor oil level; MAINTENANCE; Maintenance
  • Page 195 – Refrigerant charge; times after a change of capacity, a; Chiller / Compressor Operating Log; OVERALL UNIT INSPECTION
  • Page 196 – Operating Log; COMPRESSOR UNIT OPERATION
  • Page 197 – MAINTENANCE REQUIREMENTS FOR
  • Page 198 – GENERAL PERIODIC MAINTENANCE CHECKS; SERVICE SCHEDULE MINOR SERVICE
  • Page 199 – SPARE PARTS; Recommended Spares; Description; Recommended Compressor Oils; REFRIGERANT COMPRESSOR OIL
  • Page 200 – TROUBLESHOOTING GUIDE; Troubleshooting; PROBLEM POSSIBLE CAUSE ACTION
  • Page 201 – TROUBLESHOOTING GUIDE - CONT’D; PROBLEM
  • Page 202 – LIMITED WARRANTY YORK AMERICAS ENGINEERED SYSTEMS; WARRANTY ON NEW EQUIPMENT
  • Page 203 – TEMPERATURE CONVERSION CHART
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INSTALLATION, OPERATION & MAIN TE NANCE

AIR-COOLED SCREW LIQUID CHILLERS

New Release

Form 201.19-NM1 (204)

YCAS AIR-COOLED LIQUID CHILLERS

YCAS0130 THROUGH YCAS0230

STYLE G

YCAS 2 SYSTEM EPROM

031-01798-001

(STANDARD, BRINE & METRIC MODELS COM BINED)

028971-G

60 Hz

035-20319-000

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Summary

Page 2 - CHANGEABILITY OF THIS DOCUMENT; ed since manufacture.; Web address for the Revision Sheet

2 YORK INTERNATIONAL FORM 201.19-NM1 (204) CHANGEABILITY OF THIS DOCUMENT In complying with YORK’s policy for continuous prod uct improvement, the information contained in this doc u ment is subject to change without notice. Literature updates that may occur will be printed on the Revision Sheet and...

Page 3 - READ BEFORE PROCEEDING!; GENERAL SAFETY GUIDELINES

3 YORK INTERNATIONAL FORM 201.19-NM1 (204) This equipment is a relatively complicated ap pa ra tus. Dur ing installation, operation, maintenance or service, in di vid u als may be exposed to certain com po nents or conditions in clud ing, but not limited to: re frig er ants, oils, materials un der p...

Page 4 - TABLE OF CONTENTS; SECTION 1 - GENERAL CHILLER

4 YORK INTERNATIONAL FORM 201.19-NM1 (204) TABLE OF CONTENTS SECTION 1 - GENERAL CHILLER INFORMATION & SAFETY INTRODUCTION ........................................................... 9WARRANTY ................................................................... 9SAFETY...............................

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