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YORK INTERNATIONAL

FORM 150.62-NM7 (103)

3022

616

1791

280

2159

(2) 76 X 76 RIGGING

(2) 76 X 76 RIGGING
HOLES (EACH SIDE)

HOLES (EACH SIDE)

WATER INLET

WATER OUTLET

2311

521

1270

19 DIA.

19 DIA.
MOUNTING

MOUNTING
HOLES (TYP.)

HOLES (TYP.)

2473

737

859

SIDE VIEW

229

CONTROL PANEL

248

ORIGIN

2527

POWER PANEL

TOP VIEW

LD08767

ALUMINUM

COPPER

YCAL

Center of Gravity (mm)

0197

1435

1162

1001

0217

1437

1154

1002

0237

1438

1161

1003

0253

1437

1154

991

YCAL

Center of Gravity (mm)

0197

1440

1162

1016

0217

1442

1154

1017

0237

1443

1160

1018

0253

1442

1154

1006

Содержание YCAL0043E Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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

Страница 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...

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

Страница 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...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Страница 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...

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

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

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

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

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

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

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

Страница 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...

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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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