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York YCAL0043E Series Installation Operation & Maintenance Download Page 9

YORK INTERNATIONAL

9

FORM 150.62-NM7 (103)

LD07613-50HZ

REFRIGERANT FLOW DIAGRAM

FIG. 1 –  

REFRIGERANT FLOW DIAGRAM

2 OR 3 COMPRESSORS PER SYSTEM

OIL EQUALIZING
LINE

AIR COOLED CONDENSERS

DX  COOLER

LEAVING CHILLED WATER

ENTERING CHILLED WATER

OPTIONAL
SERVICE VALVE

OPTIONAL DISCHARGE
PRESSURE TRANSDUCER

HIGH PRESSURE
CUTOUT SWITCH

OPTIONAL

SERVICE

VALVE

LOW PRESSURE SWITCH OR

SUCTION PRESSURE TRANSDUCER

LEAVING 

CHILLED WATER

TEMP. SENSOR

RETURN WATER

TEMP. SENSOR

OPTIONAL
DISCHARGE LINE
BALL VALVE

HOT DISCHARGE
GAS LINE

LIQUID LINE 
SERVICE VALVE

LIQUID LINE FILTER / DRIER

LIQUID LINE

SOLENOID VALVE

SIGHT GLASS /
MOISTURE INDICATOR

SOLENOID OPERATED
HOT GAS BY PASS VALVE

*

OPTIONAL

SUCTION LINE

BALL VALVE

EQUALIZER

LINE

TXV

OPTIONAL
RELIEF VALVE
300 PSIG
(20.68 BARG)

YCAL REFRIGERANT FLOW DIAGRAM

(INCLUDING TEMPERATURE SENSORS & PRESSURE TRANSDUCERS)

NOTE: YCAL0117-0377 HAVE TWO REFRIGERANT 

SYSTEMS AND ONE DX COOLER.

* HOT GAS OPTION - SYSTEM 1 ONLY

Summary of Contents for YCAL0043E Series

Page 1: ...odels Combined 380 415 3 50 MODEL ONLY INSTALLATION OPERATION MAINTENANCE AIR COOLED LIQUID CHILLERS HERMETIC SCROLL New Release Form 150 62 NM7 103 YCAL0287 YCAL0377 EPROM 031 02423 001 29224 R A YCA...

Page 2: ...is situated as well as severe personal injury or death to themselves and people at the site This document is intended for use by owner authorized operating service personnel It is expected that this i...

Page 3: ...this document is subject to change without notice While YORK makes no commitment to update or provide current information automatically to the manual owner that information if applicable can be obtai...

Page 4: ...ND TROUBLESHOOTING 109 SERVICE MODE CHILLER CONFIGURATION 110 OPTIONAL PRINTER INSTALLATION 118 TROUBLESHOOTING CHARTS 119 MAINTENANCE 122 ISN CONTROL 128 SECTION 4 WIRING DIAGRAMS 126 SECTION 5 APPEN...

Page 5: ...TROL 5 6 COMPRESSORS 97 25 RETURN CHILLED LIQUID CONTROL 4 COMPRESSORS 98 26 YCAL0043 YCAL0253 CONDENSER FAN CONTROL USING OUTDOOR AMBIENT TEMP DP 101 27 YCAL0043 YCAL0253 CONDENSER FAN CONTROL USING...

Page 6: ...IRCUIT YCAL0107E_ 136 22 CONNECTION DIAGRAM YCAL0107E_ 138 140 23 ELEMENTARY DIAGRAM NOTES DETAILS YCAL0107E_ 140 24 ELEMENTARY DIAGRAM CONTROL CIRCUIT YCAL0117E_ YCAL0173E_ 142 143 25 ELEMENTARY DIAG...

Page 7: ...Condensing Unit Scroll Even Number 60 HZ Nominal Tons Odd Number 50 HZ Nominal kW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 BASE PRODUCT TYPE NOMINAL CAPACITY UNIT DESIGNATOR REFRIGERANT VOLTAGE STARTER DE...

Page 8: ...ll contain info based on the first 14 characters only Low Ambient Kit factory High Ambient Kit factory Both Low High Ambient factory BAS EMS Temp Reset Offset Spanish LCD Keypad Display French LCD Key...

Page 9: ...H OR SUCTION PRESSURE TRANSDUCER LEAVING CHILLED WATER TEMP SENSOR RETURN WATER TEMP SENSOR OPTIONAL DISCHARGE LINE BALL VALVE HOT DISCHARGE GAS LINE LIQUID LINE SERVICE VALVE LIQUID LINE FILTER DRIER...

Page 10: ...procedures to be followed to install and start up the chiller HANDLING These units are shipped as completely assembled units containing full operating charge and care should be taken to avoid damage...

Page 11: ...cupied spaces or noise sensitive areas where chiller noise level would be a problem Chiller noise is a result of compressor and fan operation Con siderations should be made utilizing noise levels pub...

Page 12: ...id to servicing thermometers and pressure gauges should be installed in the inlet and outlet water lines 6 The chilled water lines that are exposed to outdoor ambients should be wrapped with supplemen...

Page 13: ...inals 13 to 14 Refer to Figure 6 and unit wiring diagram REMOTE EMERGENCY CUTOFF Immediate shutdown of the chiller can be accomplished by opening a field installed dry contact to break the elec trical...

Page 14: ...C power from the unit at or below freezing temperatures can result in damage to the evaporator and unit as a result of the chilled liquid freezing Models YCAL0040 0080 Only Models YCAL0014 0034 are Si...

Page 15: ...t at or below freezing temperatures can result in damage to the evaporator and unit as a result of the chilled liquid freezing Power Panel Control Panel Terminal Block1 Terminal Block2 1L1 1L2 1L3 2L1...

Page 16: ...ng temperatures can result in damage to the evaporator and unit as a result of the chilled liquid freezing LD07721 Power Panel Control Panel Terminal Block1 NF Disconnect SW1 or Circuit Breaker1 Termi...

Page 17: ...e unit at or below freezing temperatures can result in damage to the evaporator and unit as a result of the chilled liquid freezing Power Panel Control Panel Terminal Block or NF Disconnect SW 1L1 1L2...

Page 18: ...connecting power PRIOR to working on equipment The unit evaporator heater uses 120VAC Disconnecting 120VAC power from the unit at or below freezing temperatures can result in damage to the evaporator...

Page 19: ...y overloads installed to use a standard circuit breaker Otherwise an HACR type circuit breakers must be used Maximum HACR circuit breaker rating is based on 225 of the rated load amps for the largest...

Page 20: ...nal or Circuit Breaker optional MODEL YCAL VOLT HZ SINGLE POINT FIELD SUPPLIED WIRING MCA1 MIN N F DISC SW2 D E FUSE CKT BKR 5 INCOMING LUGS WIRE RANGE6 FACTORY SUPPLIED OPTIONAL MIN3 MAX4 MIN MAX SIN...

Page 21: ...RLA LRA RLA LRA QTY FLA EA 12 0 99 12 0 99 2 4 0 16 6 127 16 6 127 2 4 0 19 9 167 19 9 167 2 4 0 23 9 198 23 9 198 2 4 0 19 9 167 19 9 167 19 9 167 2 4 0 16 6 127 16 6 127 2 4 0 16 6 127 16 6 127 2 4...

Page 22: ...057 380 415 50 46 60 50 60 50 60 10 1 16 6 127 16 6 127 2 4 0 0073 380 415 50 53 60 60 70 60 70 10 1 19 9 167 19 9 167 2 4 0 0087 380 415 50 62 100 70 80 70 80 10 1 23 9 198 23 9 198 2 4 0 0107 380 41...

Page 23: ...1 16 6 127 16 6 127 2 4 0 0147 380 415 50 53 60 60 70 60 70 10 1 19 9 167 19 9 167 2 4 0 0157 380 415 50 53 60 60 70 60 70 10 1 19 9 167 19 9 167 2 4 0 0173 380 415 50 62 100 70 80 70 80 10 1 23 9 19...

Page 24: ...optional or Non Fused Dis connect Switch optional Includes Individual Branch Circuit Protection Breakers per electrical system MODEL YCAL VOLT HZ SINGLE POINT FIELD SUPPLIED WIRING MCA1 MIN N F DISC...

Page 25: ...A QTY FLA EA RLA LRA RLA LRA RLA LRA QTY FLA EA 32 6 215 32 6 215 32 6 215 3 3 8 44 2 270 44 2 270 3 3 8 32 6 215 32 6 215 32 6 215 3 3 8 32 6 215 32 6 215 32 6 215 3 3 8 44 2 270 44 2 270 44 2 270 3...

Page 26: ...SYSTEM 1 FIELD SUPPLIED WIRING SYSTEM 1 COMPRESSOR FAN MCA1 MIN N F DISC SW2 D E FUSE CKT BKR 5 INCOMING LUGS WIRE RANGE6 COMPR 1 COMPR 2 COMPR 3 FANS TERMINAL BLOCK std NF DISC SWITCHES opt CIR BREA...

Page 27: ...BREAKERS opt MIN3 MAX4 MIN MAX RLA LRA RLA LRA RLA LRA QTY FLA EA 111 150 150 150 150 150 6 400 6 350 6 350 44 2 270 44 2 270 3 3 8 118 150 150 150 150 150 14 2 0 6 350 6 350 32 6 215 32 6 215 32 6 2...

Page 28: ...uidelines 3 The evaporator is protected against freezing to 20 F 28 8 C with an electric heater as standard 4 For operation at temperatures below 25 F 3 9 C the optional Low Ambient Kit will need to b...

Page 29: ...E_ 0133E_ 0147E_ D 0157E_ 0173E_ 0197E_ 0217E_ 0237E _0287E E 0253E_ 0317E_ 0347E F 0377E_ G PROPYLENE GLYCOL WEIGHT TONS COMPR GPM F TON PRESS FREEZE PT kW DROP 10 0 983 0 996 24 2 1 048 27 20 0 974...

Page 30: ...For operation at temperatures below 25 F 3 9 C the optional Low Ambient Kit will need to be installed on the system for YCAL0043 0253 models only 5 For operation at temperatures above 115 F 46 1 C th...

Page 31: ...10 0 983 0 996 24 2 1 048 27 20 0 974 0 995 24 4 1 086 19 30 0 961 0 990 25 1 1 134 8 40 0 946 0 98 26 0 1 186 5 50 0 928 0 984 27 2 1 247 25 ETHYLENE GLYCOL WEIGHT TONS COMPR GPM F TON PRESS FREEZE...

Page 32: ...5363 5433 5517 Compressors scroll type Compressors per circuit 2 2 2 2 3 2 2 2 2 Compressors per unit 2 2 2 2 3 4 4 4 4 Nominal Tons per compressor 7 5 10 13 15 13 10 10 13 10 13 13 15 13 Condenser T...

Page 33: ...9407 9662 Compressors scroll type Compressors per circuit 2 3 3 3 3 3 2 3 3 3 Compressors per unit 4 6 6 6 6 5 6 6 6 Nominal Tons per compressor 15 15 13 10 13 13 15 13 15 15 20 25 20 20 25 20 25 25...

Page 34: ...2433 2464 2502 Compressors scroll type Compressors per circuit 2 2 2 2 3 2 2 2 2 Compressors per unit 2 2 2 2 3 4 4 4 4 Nominal kWo per compressor 26 35 46 53 46 35 35 46 35 46 46 53 46 Condenser Tot...

Page 35: ...rs scroll type Compressors per circuit 2 3 3 3 3 3 2 3 3 3 Compressors per unit 4 6 6 6 6 5 6 6 6 Nominal kWo per compressor 53 53 46 35 46 46 53 46 53 53 70 88 70 70 70 88 88 88 Condenser Total Face...

Page 36: ...nance Site restrictions may compromise minimum clearances indicated below resulting in unpredictable airflow patterns and possible diminished performance YORK s unit controls will optimize operation w...

Page 37: ...7 16 105 1 8 X Z C G SIDE VIEW HOLES EACH SIDE 2 3 X 3 RIGGING 3 WATER INLET WATER OUTLET A A ORIGIN X G C Y TOP VIEW 3 4 DIA MOUNTING HOLES TYP CONTROL PANEL POWER PANEL LD08749 COPPER ALUMINUM YCAL...

Page 38: ...ntenance Site restrictions may compromise minimum clearances indicated below resulting in unpredictable airflow patterns and possible diminished performance YORK s unit controls will optimize operatio...

Page 39: ...LES EACH SIDE 2 3 X 3 RIGGING 3 4 WATER INLET WATER OUTLET A A ORIGIN X G C Y TOP VIEW 3 4 DIA MOUNTING HOLES TYP CONTROL PANEL POWER PANEL LD08751 Refers to Model YCAL0073 Refers to Model YCAL0087 an...

Page 40: ...performance degradation Access to the unit control center assumes the unit is no higher than on spring isolators Recommended minimum clearances Side to wall 6 rear to wall 6 control panel to end wall...

Page 41: ...16 A 3 4 DIA 3 4 DIA 80 1 2 80 1 2 TOP VIEW TOP VIEW C G Y X 50 50 1 1 2 1 1 2 HOLES TYP HOLES TYP MOUNTING MOUNTING 15 1 4 15 1 4 1 1 2 1 1 2 POWER PANEL POWER PANEL CONTROL PANEL CONTROL PANEL ORIGI...

Page 42: ...ial performance degradation Access to the unit control center assumes the unit is no higher than on spring isolators Recommended minimum clearances Side to wall 6 rear to wall 6 control panel to end w...

Page 43: ...97 3 8 97 3 8 29 29 33 13 16 33 13 16 1 1 2 1 1 2 1 1 2 1 1 2 C G Z X A A SIDE VIEW SIDE VIEW 2 1 16 2 1 16 9 9 POWER MULTIPLE POINT WITH TERMINAL BLOCKS POWER MULTIPLE POINT WITH TERMINAL BLOCKS CONT...

Page 44: ...e safety cutouts however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no higher than on spring isolators Recommended minimu...

Page 45: ...NTERNATIONAL 45 FORM 150 62 NM7 103 1 ALUMINUM COPPER YCAL Center of Gravity in X Y Z 0287 70 9 44 1 42 1 0317 70 9 44 1 42 1 YCAL Center of Gravity in X Y Z 0287 70 4 44 1 44 4 0317 70 4 44 1 44 4 LD...

Page 46: ...ion without nuisance high pressure safety cutouts however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no higher than on sp...

Page 47: ...NTERNATIONAL 47 FORM 150 62 NM7 103 1 ALUMINUM COPPER YCAL Center of Gravity in X Y Z 0347 79 5 44 1 40 7 0377 79 5 44 1 40 7 YCAL Center of Gravity in X Y Z 0347 79 5 44 1 42 7 0377 79 5 44 1 42 7 LD...

Page 48: ...uts however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no higher than on spring isolators Recommended minimum clearances...

Page 49: ...0 X Z C G SIDE VIEW HOLES EACH SIDE 2 76 X 76 RIGGING 3 WATER INLET WATER OUTLET A A ORIGIN X G C Y TOP VIEW 19 DIA MOUNTING HOLES TYP CONTROL PANEL POWER PANEL LD08761 ALUMINUM COPPER YCAL Center of...

Page 50: ...otential performance degradation Access to the unit control center assumes the unit is no higher than on spring isolators Recommended minimum clearances Side to wall 2m rear to wall 2m control panel t...

Page 51: ...X 76 RIGGING 3 4 WATER INLET WATER OUTLET A A ORIGIN X G C Y TOP VIEW 19 DIA MOUNTING HOLES TYP CONTROL PANEL POWER PANEL LD07863 Refers to Model YCAL0073 Refers to Model YCAL0087 and YCAL0107 ALUMIN...

Page 52: ...ss to the unit control center assumes the unit is no higher than on spring isolators Recommended minimum clearances Side to wall 2m rear to wall 2m control panel to end wall 1 2m top no obstructions a...

Page 53: ...59 737 737 2282 2282 229 229 53 53 A 19 DIA 2045 TOP VIEW C G Y X 1270 38 HOLES TYP MOUNTING 387 38 POWER PANEL POWER PANEL CONTROL PANEL ORIGIN 248 2527 A B C D LD08765 ALUMINUM COPPER 1 YCAL Center...

Page 54: ...s to the unit control center assumes the unit is no higher than on spring isolators Recommended minimum clearances Side to wall 2m rear to wall 2m control panel to end wall 1 2m top no obstructions al...

Page 55: ...G HOLES TYP HOLES TYP 2473 2473 737 737 859 859 38 38 38 38 C G Z X A A SIDE VIEW SIDE VIEW 53 53 229 229 CONTROL PANEL CONTROL PANEL 248 248 ORIGIN ORIGIN Y 2527 2527 POWER PANEL POWER PANEL TOP VIEW...

Page 56: ...safety cutouts however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no higher than on spring isolators Recommended minimum...

Page 57: ...NTERNATIONAL 57 FORM 150 62 NM7 103 COPPER ALUMINUM 1 YCAL Center of Gravity mm X Y Z 0287 1801 1120 1069 0317 1801 1120 1069 YCAL Center of Gravity mm X Y Z 0287 1788 1120 1128 0387 1788 1127 1128 LD...

Page 58: ...e operation without nuisance high pressure safety cutouts however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no higher th...

Page 59: ...62 NM7 103 ALUMINUM COPPER 1 YCAL Center of Gravity mm X Y Z 0347 2019 1120 1085 0377 2019 1120 1085 YCAL Center of Gravity mm X Y Z 0347 2019 1120 1033 0377 2019 1120 1033 LD08771 Refers to Model YCA...

Page 60: ...C and local codes See Figures 2 5 pages 14 17 9 Check tightness of power wiring inside the power panel on both sides of the motor contactors and overloads 10 Check for proper size fuses in main and co...

Page 61: ...g proper compressor rotation turn the Unit Switch to OFF The chilled liquid setpoint may need to be temporarily lowered to ensure all compressors cycle on 7 After verifying compressor rotation return...

Page 62: ...more than one turn at a time allowing sufficient time approximately 15 minutes between adjustments for the system and the thermal expansion valve to respond and stabilize The EEV is non adjustable Su...

Page 63: ...compressor starts that systems first condenser fan will be cycled on out door air temperature 25 F 4 C or discharge pressure See the section on Operating Controls for details concerning condenser fan...

Page 64: ...ctivate or deac tivate the unit INTRODUCTION MICROPROCESSOR BOARD The Microprocessor Board is the controller and de cision maker in the control panel System inputs such as pressure transducers and tem...

Page 65: ...These characters indicate the actual values are greater than or less than the limit values which are being displayed KEYPAD The 12 button non tactile keypad allows the user to re trieve vitals system...

Page 66: ...o run The REMOTE CONTROLLED SHUTDOWN message indicates that either an ISN system or RCC has turned the unit off not allowing it to run The DAILY SCHEDULE SHUTDOWN message indi cates that the daily hol...

Page 67: ...being timed out The anti coincidence timer is only present on two system units When this message appears discharge pressure limiting is in effect The Discharge Pressure Limiting feature is integral t...

Page 68: ...tion pressure cutout setpoint or runs for 180 seconds whichever comes first the compressor will cycle off FAULT STATUS MESSAGES Safeties are divided into two categories system safeties and unit safeti...

Page 69: ...utes if the suction pressure falls below the programmed cutout setting a transient protection routine is activated This sets the cutout at 10 of the programmed value and ramps up the cutout over the n...

Page 70: ...perated at voltages where malfunction of the mi croprocessor could result in system damage When the 115VAC to the micro panel drops below a certain level a unit fault is initiated to safely shut down...

Page 71: ...X Disch Limiting System X Suction Limiting System X Percentage Load Limiting Manual Overide Status System X Pumping Down on shutdown Unit Safeties System Safeties Low Ambient Temp System X High Disch...

Page 72: ...r the ENTRY section With the UNIT TYPE set as a liquid chiller via no jumper between J4 11 and J4 6 on the microboard DISPLAY PRINT KEYS the following list of operating data screens are view able unde...

Page 73: ...is played for the actual number of sys tems and compressors on the unit This display of the load and unload timers indicate the time in seconds until the unit can load or unload Whether the systems lo...

Page 74: ...full voltage is restored to the system There are several types of remote systems that can be used to control or monitor the unit The following mes sages indicate the type of remote control mode active...

Page 75: ...287 YCAL0377 have 3 or 4 fan stages as standard See the section on Condenser Fan Control in the UNIT OPERATION section for more information 2 The fifth message displays current as sensed by the option...

Page 76: ...1 Cooler Inlet Refrigerant Temp System 2 Discharge Suction Pressure EEV Only SYS 2 Suction and SAT Suction Temp EEV Only SYS 2 EEV Output Suction Superheat R 407c Only SYS 2 Cooler Inlet Refrigerant...

Page 77: ...PRESS CUTOUT 44 PSIG LOW AMBIENT CUTOUT 25 0 DEGF LEAVING LIQUID CUTOUT 36 0 DEGF ANTI RECYCLE TIME 600 SECS FAN CONTROL ON PRESS 240 PSIG FAN DIFF OFF PRESS 80 PSIG NUMBER OF COMPRESSORS 6 NUMBER OF...

Page 78: ...out When the HISTORY key is pressed a printout is trans mitted of all system operating conditions which were stored at the instant the fault occurred for each of the 6 Safety Shutdowns buffers The pri...

Page 79: ...selection Displays the type of chilled liquid control Leaving or Return Displays the type of lead lag control Manual System 1 Manual System 2 or Automatic This is only selectable on 2 system chillers...

Page 80: ...T S S Y S 1 T R I P V O L T S X X V O L T S This is only displayed when the Current Feedback Op tion is one per unit Displays which compressors were running in the system when the fault occurred Displ...

Page 81: ...ogrammed as one CURRENT FEEDBACK ONE PER UNIT under the program key the display will be the first display prior to the SYS 1 info If the micro is programmed for CURRENT FEEDBACK NONE no current displa...

Page 82: ...ow keys are also used for pro gramming the control panel such as changing numerical ENTRY KEYS or text values when programming cooling setpoints set ting the daily schedule changing safety setpoints c...

Page 83: ...OINT at 45 0 F notice the cursor positioned under the number 0 Pressing either the UP or DOWN arrow will change the setpoint in 5 F incre ments After using the UP and DOWN arrows to adjust to the desi...

Page 84: ...es below illustrate both leaving chilled liquid control and return chilled liquid control respectively leaving chilled liquid control R E M S E T P 4 4 0 F R A N G E 2 0 F R E M S E T P 4 4 0 F R A N...

Page 85: ...whole week then the exceptional days would need to be reprogrammed to the de sired schedule To page to a specific day press the SCHEDULE ADVANCE DAY key The start and stop time of each day may be pro...

Page 86: ...cooling mode is programmed OPTIONS key the value is fixed at 36 0 F 2 22 C and cannot be changed Glycol cooling mode can be programmed to values listed in Table 20 The programmable anti recycle timer...

Page 87: ...nd fan RLA s in the system Multiply the sum by 1 25 Divide by 225A The resulting voltage is the value that should be programmed For example if fan and compressor RLA s total 100A 5V x 100A x 1 25 625V...

Page 88: ...RG 5 52 BARG TOTAL NUMBER OF COMPRESSORS SINGLE SYSTEM 2 3 3 TWO SYSTEMS 4 6 6 NUMBER OF FANS PER SYSTEM YCAL0090 3 4 3 YCAL0124 ONLY CURRENT FEEDBACK UNIT SYSTEM TRIP VOLTS OPTION ENABLED 0 5 4 5 2 O...

Page 89: ...Ambient Temp Cutout Range Display Only Leaving Liquid EMS PWM Temperature Remote Temp Cutout Reset Setpoint Anti Recycle Timer Fan Control On Pressure Fan Differential Off Pressure Quick Reference Pr...

Page 90: ...ption has been displayed the UP and DOWN arrow keys are then used to change that particular option After the option is changed the ENTER ADV key must be pressed to enter the data into memory Table 22...

Page 91: ...g sequences L O C A L R E M O T E M O D E R E M O T E A M B I E N T C O N T R O L L O W A M B I E N T L O C A L R E M O T E M O D E L L O C A L C O N T R O L M O D E R E T U R N L I Q U I D C O N T R...

Page 92: ...al Override Mode This option allows overriding of the daily schedule that is programmed MANUALOVERRIDEMODE DISABLED indicates that override mode has no effect or Manual Override Mode is enabled This i...

Page 93: ...DV Key will save the valve and move the cursor on to the next programmable variable Jumper J11 on the microboard must be set to the CLKON position to turn on the clock If this is not done the clock wi...

Page 94: ...YS PROGRAMMING QUICK REFERENCE LIST Table 22 provides a quick reference list for the Unit key setpoints Programmed under Service Mode Programmed under Service Mode Viewable Only Viewable Only Chiller...

Page 95: ...TROL The setpoint when programmed for Leaving Chilled Liquid Control is the temperature the unit will control to within the cooling range The Setpoint High Limit is the Setpoint plus the Cooling Range...

Page 96: ...ADJUST DEG F 6 5 4 3 2 1 0 Unit Controls RETURN CHILLED LIQUID CONTROL Can be used on Dual System 4 5 6 Comp Units Only Return chilled liquid control is based on staging the com pressors to match the...

Page 97: ...ill leaving one compressor running As the load increased the compressors would stage on every 1 7 F 94 C Also notice that Tables 23 24 and 25 not only provide the formulas for the loading ON POINT and...

Page 98: ...ti recycle timer should be adjusted to 600 seconds The programmable anti recycle timer starts the timer when the first compressor in a system starts The timer begins to count down If all of the compre...

Page 99: ...g varies the proportional gain based on the superheat error As the superheat gets smaller the proportional gain gets smaller The output of the PI controller may be viewed on the display and printouts...

Page 100: ...can be selected if the discharge pres sure transducer is installed and fan recycling is not a concern Fan control by discharge pressure will work according to Table 27 The fan control on pressure and...

Page 101: ...3 4 DP Fan Ctrl On Press DP Fan Ctrl On Press Diff Press 3 OAT 65 F 18 3 C OAT 60 F 15 6 C 2 FAN FWD OR AND 7M 10M 2 4 6 8 1 3 2 4 DP Fan Ctrl On Press DP Fan Ctrl On Press 8M 11M 40 PSIG 2 76 Bars Di...

Page 102: ...SYS 1 SYS 2 1 1 2 1 FAN REV DP Fan Ctrl On Press DP Fan Ctrl On Press Diff Press 7M 10M 2 6 REV REV 2 DP Fan Ctrl On Press DP Fan Ctrl On Press 8M 11M 3 4 1 FAN FWD 20 PSIG 1 38 Bars Diff Press 20 PSI...

Page 103: ...AN FAN STAGE ON OFF OUTPUT TB 4 SYS 1 SYS 2 SYS 1 SYS 2 SYS 1 SYS 2 1 DP Fan Ctrl On Press DP Fan Ctrl On Press Diff Press 9M 13M 2 6 5 6 1 FAN FWD 2 DP Fan Ctrl On Press DP Fan Ctrl On Press 8M 12M 2...

Page 104: ...n Ctrl On Press DP Fan Ctrl On Press Diff Press 10M 14M 2 6 7 8 1 FAN FWD 2 DP Fan Ctrl On Press DP Fan Ctrl On Press 9M 13M 2 FANS FWD 20 PSIG 1 38 Bars Diff Press 20 PSIG 1 38 Bars 10M 14M 2 4 6 8 5...

Page 105: ...YORK INTERNATIONAL 105 FORM 150 62 NM7 103 2 This page intentionally left blank...

Page 106: ...age 2 of load limiting involves closing both the Load Limit and PWM inputs The first stage of limiting is either 80 66 or 50 depending on the number of compressors on the unit The second stage of limi...

Page 107: ...int 7 22 C 2 78 C 10 C ThiscanbeviewedbypressingtheCoolingSetpoints key twice The new value will be displayed as REM SETP 10 0 C BAS EMS TEMPERATURE RESET OPTION The Remote Reset Option allows the Con...

Page 108: ...terminals C and D and only jumper JUI must be in place on the reset board This input is used when a single reset value is needed When the contacts are closed the remote temperature reset board will c...

Page 109: ...RVICE AND TROUBLESHOOTING CLEARING HISTORY BUFFERS The history buffers may be cleared by pressing the HIS TORY key and then repeatedly pressing the UP arrow key until you scroll past the last history...

Page 110: ...nputs Following is the order of analog and digital inputs that will appear when sequenced with the Down AR ROW key analog inputs SYS 1 SUCT PRESSURE UNIT TYPE SYS 1 DISCH PRESSURE SYS 1 COOLER INLET R...

Page 111: ...EV OUTPUT J10 5 J10 6 SPARE J10 7 J10 8 SPARE 3 J9 1 30VDC UNREGULATED SUPPLY J9 2 UNIT ON OFF SWITCH J9 3 PWM TEMP RESET OR LOAD LIMIT STAGE 2 ON 3 5 6 COMP UNITS J9 4 LOAD LIMIT STAGE 1 J9 5 FLOW SW...

Page 112: ...ORK INTERNATIONAL 112 FORM 150 62 NM7 103 FIG 13 MICROBOARD LAYOUT Service and Troubleshooting TB2 TB1 TB6 TB5 TB4 CLK ON OFF JUMPER TB3 J9 J7 J5 J6 J8 J4 J10 J2 J1 00770VIP U17 REAL TIME CLOCK BATTER...

Page 113: ...on the digital inputs This voltage is in ref erence to ground The unit case should be sufficient as a reference point when measuring digital input voltages ANALOG INPUTS Temperature Refer to the unit...

Page 114: ...ignal to microboard from Sys 1 Suction Temp Sensor EEV only J5 15 VDC input signal to microboard from Sys 2 Suction Temp Sensor EEV only TEMP F VOLTAGE RESISTANCE TEMP C 0 1 71 25619 18 2 1 78 24046 1...

Page 115: ...tion pressure readout on the display will be 0 PSIG when the LP switch is open and 200 PSIG 13 79 BARG when the LP switch is closed The discharge transducers have a range from 0 to 400 PSIG The output...

Page 116: ...VDC If the optional Suction Transducer is not used on the YCAL0043 YCAL0173 a Low Pressure switch will be used Following are the microboard connections for the Low Pressure switch System 1 Low Pressur...

Page 117: ...ntinuity check across two specific points or pins that represent one of twelve buttons on the keypad Table 38 lists the key pin assignments for the keypad Power to the microboard must be turned off an...

Page 118: ...00 982 6622 or 1 707 527 5555 International Orders Only The part number for the printer that is packaged specifi cally for YORK is P N 950915576 The cable to connect the printer can either be locally...

Page 119: ...or Display board NOTE Contact YORK Service before Replacing circuit Boards FLOW SWITCH REM 1 No chilled liquid flow 1 Check chilled liquid flow STOP NO RUN PERMISSIVE 2 Flow switch improperly 2 Check...

Page 120: ...or fuses PRESSURE FAULT or operating backwards and contactors Assure fan blows air upward 2 Too much refrigerant 2 Remove refrigerant 3 Air in refrigerant system 3 Evacuate and recharge system 4 Defec...

Page 121: ...TART Installation Manual to aid in understanding compres sor operation and capacity control 2 Defective water temperature 2 Compare the display with a sensor thermometer Should be within 2 degrees Ref...

Page 122: ...system down into a vacuum Doing so will cause internal arcing of the compressor motor which will result in failure of compressor CONDENSER FAN MOTORS Condenser fan motors are permanently lubricated an...

Page 123: ...ction Superheat EEV Only P18 Analog SYS 1 Run Time seconds P19 Analog SYS 1 Suction Pressure P20 Analog SYS 1 Discharge Pressure P21 Analog SYS 1 Cooler Inlet Refrigerant Temp R 407c Only P22 Analog P...

Page 124: ...Coded P63 Coded SYS 2 Condenser Fan Stage P64 Coded P65 Coded Unit Control Mode 0 Leaving Water 1 Return Water 2 Discharge Air 3 Suction Press 4 Cooling 5 Heating ISN TYPE DATA PG P66 Analog Anti Rec...

Page 125: ...BATTERY WARNING 11 ANTI RECYCLE TIMER ACTIVE 11 HIGH OIL TEMPERATURE 12 MANUAL OVERRIDE 12 HIGH DISCHARGE TEMPERATE 13 SUCTION LIMITING 13 IMPROPER PHASE ROTATION 14 DISCHARGE LIMITING 14 LOW MOTOR CU...

Page 126: ...YORK INTERNATIONAL 126 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0043E_ YCAL0087E_ FIG 16 ELEMENTARY DIAGRAM CONTROL CIRCUIT YCAL0043E_ YCAL0087E_ Wiring Diagrams LD08850...

Page 127: ...YORK INTERNATIONAL 127 FORM 150 62 NM7 103 LD07832 4 LD08851...

Page 128: ...YORK INTERNATIONAL 128 FORM 150 62 NM7 103 Wiring Diagrams ELEMENTARY DIAGRAM YCAL0043E_ YCAL0087E_ FIG 17 ELEMENTARY DIAGRAM POWER CIRCUIT YCAL0043E_ YCAL0087E_ LD08852...

Page 129: ...YORK INTERNATIONAL 129 FORM 150 62 NM7 103 4 This page intentionally left blank...

Page 130: ...YORK INTERNATIONAL 130 FORM 150 62 NM7 103 Wiring Diagrams CONNECTION DIAGRAM YCAL0043E_ AND YCAL0087E_ FIG 18 CONNECTION DIAGRAM MIDDLE MARKET YCAL0043E_ YCAL0087E_ LD08854...

Page 131: ...YORK INTERNATIONAL 131 FORM 150 62 NM7 103 LD08855 4...

Page 132: ...YORK INTERNATIONAL 132 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0043E_ AND YCAL0087E_ FIG 19 ELEMENTARY DIAGRAM MIDDLE MARKET YCAL0043E_ YCAL0087E_ LD08856 Wiring Diagrams...

Page 133: ...YORK INTERNATIONAL 133 FORM 150 62 NM7 103 4 This page intentionally left blank...

Page 134: ...YORK INTERNATIONAL 134 FORM 150 62 NM7 103 Wiring Diagrams ELEMENTARY DIAGRAM YCAL0107E_ FIG 20 ELEMENTARY DIAGRAM MIDDLE MARKET YCAL00107E_ LD08857...

Page 135: ...YORK INTERNATIONAL 135 FORM 150 62 NM7 103 LD08858 4...

Page 136: ...YORK INTERNATIONAL 136 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0107E_ FIG 21 ELEMENTARY DIAGRAM POWER CIRCUIT YCAL0107E_ LD08859 Wiring Diagrams...

Page 137: ...YORK INTERNATIONAL 137 FORM 150 62 NM7 103 4 This page intentionally left blank...

Page 138: ...YORK INTERNATIONAL 138 FORM 150 62 NM7 103 Wiring Diagrams CONNECTION DIAGRAM YCAL0107E_ FIG 22 CONNECTION DIAGRAM MIDDLE MARKET YCAL0107E_ LD08861...

Page 139: ...YORK INTERNATIONAL 139 FORM 150 62 NM7 103 LD08862 4...

Page 140: ...YORK INTERNATIONAL 140 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0107E_ FIG 23 ELEMENTARY DIAGRAM MIDLLE MARKET YCAL0107E_ LD08863 Wiring Diagrams...

Page 141: ...YORK INTERNATIONAL 141 FORM 150 62 NM7 103 4 This page intentionally left blank...

Page 142: ...YORK INTERNATIONAL 142 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0117E_ YCAL0173E_ FIG 24 ELEMENTARY DIAGRAM CONTROL CIRCUIT YCAL0117E_ YCAL0173E_ LD08864 Wiring Diagrams...

Page 143: ...YORK INTERNATIONAL 143 FORM 150 62 NM7 103 LD08865 4...

Page 144: ...YORK INTERNATIONAL 144 FORM 150 62 NM7 103 Wiring Diagrams ELEMENTARY DIAGRAM YCAL0117E_ YCAL0173E_ FIG 25 ELEMENTARY DIAGRAM POWER CIRCUIT YCAL0117E_ YCAL0173E_...

Page 145: ...YORK INTERNATIONAL 145 FORM 150 62 NM7 103 4 LD08867...

Page 146: ...YORK INTERNATIONAL 146 FORM 150 62 NM7 103 Wiring Diagrams CONNECTION DIAGRAM YCAL0117E_ YCAL0173E_ FIG 26 CONNECTION DIAGRAM MIDDLE MARKET YCAL0117E_ YCAL0173E_ LD08868...

Page 147: ...YORK INTERNATIONAL 147 FORM 150 62 NM7 103 4 LD08869...

Page 148: ...YORK INTERNATIONAL 148 FORM 150 62 NM7 103 Wiring Diagrams ELEMENTARY DIAGRAM YCAL0117E_ YCAL0173E_ FIG 27 ELEMENTARY DIAGRAM MIDLLE MARKET YCAL00117E_ YCAL0173E_ LD08870...

Page 149: ...YORK INTERNATIONAL 149 FORM 150 62 NM7 103 4 This page intentionally left blank...

Page 150: ...YORK INTERNATIONAL 150 FORM 150 62 NM7 103 Wiring Diagrams ELEMENTARY DIAGRAM YCAL0197E_ YCAL0253E_ FIG 28 ELEMENTARY DIAGRAM CONTROL CIRCUIT YCAL0197E_ YCAL0253E_ LD08871...

Page 151: ...YORK INTERNATIONAL 151 FORM 150 62 NM7 103 4 LD08872...

Page 152: ...YORK INTERNATIONAL 152 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0197E_ YCAL0253E_ FIG 29 ELEMENTARY DIAGRAM POWER CIRCUIT YCAL0197E_ YCAL0253E_ LD08876 Wiring Diagrams...

Page 153: ...YORK INTERNATIONAL 153 FORM 150 62 NM7 103 LD08877 4...

Page 154: ...YORK INTERNATIONAL 154 FORM 150 62 NM7 103 Wiring Diagrams CONNECTION DIAGRAM YCAL0197E_ YCAL0253E_ FIG 30 CONNECTION DIAGRAM MIDDLE MARKET YCAL0197E_ YCAL0253E_ LD08873...

Page 155: ...YORK INTERNATIONAL 155 FORM 150 62 NM7 103 4 LD08874...

Page 156: ...YORK INTERNATIONAL 156 FORM 150 62 NM7 103 Wiring Diagrams ELEMENTARY DIAGRAM YCAL0197E_ YCAL0253E_ FIG 31 ELEMENTARY DIAGRAM MIDDLE MARKET YCAL0197E_ YCAL0253E_ LD08875...

Page 157: ...YORK INTERNATIONAL 157 FORM 150 62 NM7 103 4 This page intentionally left blank...

Page 158: ...YORK INTERNATIONAL 158 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0287E_ YCAL0317E_ FIG 32 ELEMENTARY DIAGRAM CONTROL CIRCUIT YCAL0287E_ YCAL0317E_ LD08829 Wiring Diagrams...

Page 159: ...YORK INTERNATIONAL 159 FORM 150 62 NM7 103 LD08830 4...

Page 160: ...YORK INTERNATIONAL 160 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0287E_ YCAL0317E_ FIG 33 ELEMENTARY DIAGRAM POWER CIRCUIT YCAL0287E_ YCAL0317E_ LD08832 Wiring Diagrams...

Page 161: ...YORK INTERNATIONAL 161 FORM 150 62 NM7 103 LD08833 4...

Page 162: ...YORK INTERNATIONAL 162 FORM 150 62 NM7 103 CONNECTION DIAGRAM YCAL0287E_ YCAL0317E_ FIG 34 CONNECTION DIAGRAM MIDDLE MARKET HIGH PERFORMANCE YCAL0287E_ YCAL0317E_ LD08834 Wiring Diagrams...

Page 163: ...YORK INTERNATIONAL 163 FORM 150 62 NM7 103 LD08835 4...

Page 164: ...YORK INTERNATIONAL 164 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0287E_ YCAL0317E_ FIG 35 ELEMENTARY DIAGRAM MIDDLE MARKET YCAL0287E_ YCAL0317E_ LD08831 Wiring Diagrams...

Page 165: ...YORK INTERNATIONAL 165 FORM 150 62 NM7 103 This page intentionally left blank 4...

Page 166: ...YORK INTERNATIONAL 166 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0347E_ YCAL0377E_ FIG 36 ELEMENTARY DIAGRAM CONTROL CIRCUIT YCAL0347E_ YCAL0377E_ LD08843 Wiring Diagrams...

Page 167: ...YORK INTERNATIONAL 167 FORM 150 62 NM7 103 LD08844 4...

Page 168: ...YORK INTERNATIONAL 168 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0347E_ YCAL0377E_ FIG 37 ELEMENTARY DIAGRAM POWER CIRCUIT YCAL0347E_ YCAL0377E_ LD08846 Wiring Diagrams...

Page 169: ...YORK INTERNATIONAL 169 FORM 150 62 NM7 103 LD08847 4...

Page 170: ...YORK INTERNATIONAL 170 FORM 150 62 NM7 103 CONNECTION DIAGRAM YCAL0347E_ YCAL0377E_ FIG 38 CONNECTION DIAGRAM MIDDLE MARKET HIGH PERFORMANCE YCAL0347E_ YCAL0377E_ LD08848 Wiring Diagrams...

Page 171: ...YORK INTERNATIONAL 171 FORM 150 62 NM7 103 LD08849 4...

Page 172: ...YORK INTERNATIONAL 172 FORM 150 62 NM7 103 ELEMENTARY DIAGRAM YCAL0347E_ YCAL0377E_ FIG 39 ELEMENTARY DIAGRAM MIDDLE MARKET HIGH PERFORMANCE YCAL0347E_ YCAL0377E_ LD08845 Wiring Diagrams...

Page 173: ...YORK INTERNATIONAL 173 FORM 150 62 NM7 103 This page intentionally left blank 4...

Page 174: ...2 26 CP 2 28 CP 2 27 CP 2 26 CP 2 26 0377 CP 2 28 CP 2 27 CP 2 26 CP 2 26 CP 2 28 CP 2 27 CP 2 26 CP 2 26 Aluminum Fin Seismic Isolator Selections YCAL VMC Model AEQM xxxx A B C D E F G H 0043 AEQM 9...

Page 175: ...y 3 Grn 3 Gray 3 Grn 0107 3 Gray 3 Grn 3 Gray 3 Grn 0117 4 Blk 4 Blk 4 Blk 4 Blk 0133 4 Blk 4 Blk 4 Blk 4 Blk 0147 4 Blk 4 Blk 4 Blk 4 Blk 0157 4 Blk 4 Blk 4 Blk 4 Blk 0173 4 Blk 4 Blk 4 Blk 4 Blk 019...

Page 176: ...CP 2 26 0377 CP 2 28 CP 1 27 CP 2 26 CP 2 26 CP 2 28 CP 1 27 CP 2 26 CP 2 26 Copper Fin Seismic Isolator Selections YCAL VMC Model AEQM xxxx A B C D E F G H 0043 AEQM 97 AEQM 96 AEQM 98 AEQM 97 0057...

Page 177: ...Gray 3 Gray 3 Gray 0107 3 Gray 3 Gray 3 Gray 3 Gray 0117 4 Blk 4 Blk 4 Blk 4 Blk 0133 4 Blk 4 Blk 4 Blk 4 Blk 0147 4 Blk 4 Blk 4 Blk 4 Blk 0157 4 Blk 4 Blk 4 Blk 4 Blk 0173 4 Blk 4 Blk 4 Blk 4 Blk 01...

Page 178: ...1055 96 BLACK CP 1 28 308439 28 GREEN AEQM 97 301055 97 WHITE CP 1 31 308439 31 GRAY AEQM 98 301055 98 GRAY CP 2 25 308439 25 RED AEQM 1000 30106 1000 GREEN CP 2 26 308692 26 PURPLE AEQM 1300 30106 13...

Page 179: ...4 5 8 3 8 AEQM 97 7 5 1 2 4 1 2 2 1 2 5 8 1 4 7 1 4 5 8 3 8 AEQM 98 7 5 1 2 4 1 2 2 1 2 5 8 1 4 7 1 4 5 8 3 8 AEQM 99 7 5 1 2 4 1 2 2 1 2 5 8 1 4 7 1 4 5 8 3 8 AEQM 1000 8 1 2 6 1 2 6 4 1 2 3 4 3 8 8...

Page 180: ...ay If required bolt mountings to floor through slots 4 Set the machine or base on the mountings The weight of the machine will cause the upper housing of the mount to go down possibly resting on the l...

Page 181: ...equipment or equipment base mounting holes Shim and or grout as required to level all isolator base plates A A 1 4 maximum difference in ele vation can be tolerated 4 Anchor all isolators to floor or...

Page 182: ...YORK INTERNATIONAL 182 FORM 150 62 NM7 103 NOTES...

Page 183: ...YORK INTERNATIONAL 183 FORM 150 62 NM7 103 NOTES...

Page 184: ...York Pennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright by York International Corporation 2003 ALL RIGHTS RESERVED Form 150 62 NM6 103 New Release Tele 800 861 1001...

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