Instruction/ maintenance manual of the product YCAL0080SC York
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YCAL0014SC - YCAL0080SC Standard, Glycol & Metric Models, Combined 200-3-60 230-3-60 380-3-60 460-3-60 575-3-60 MODELS ONL Y 29224(R)A INST ALLA TION, OPERA TION, MAINT . MILLENNIUM ® AIR-COOLED LIQUID CHILLERS HERMETIC SCROLL Supersedes: 150.62-NM1 (899) Form 150.
YORK INTERNA TIONAL 2 GENERAL SAFETY GUIDELINES This equipment is a relatively complicated apparatus. During installation, opera- tion, maintenance or service, individuals may be exposed to certain co.
YORK INTERNA TIONAL 3 FORM 150.62-NM1 CAUTION identifies a hazard which could lead to damage to the machine, damage to other equipment and/or environmental pollution. Usually an instruction will be given, together with a brief explanation. NOTE is used to highlight additional information which may be helpful to you.
YORK INTERNA TIONAL 4 T ABLE OF CONTENTS AND T ABLES P AGE PRODUCT IDENTIFICA TION NUMBER .......................................................... 7 REFRIGERANT FLOW DIAGRAM ................................................................... 9 SECTION 1 INST ALLA TION .
YORK INTERNA TIONAL 5 FORM 150.62-NM1 T ABLES AND FIGURES P AGE T ABLES 13 COOLER PRESSURE DROPS (METRIC) ............................................. 33 14 ETHYLENE GL YCOL CORRECTION F ACTORS .................................. 33 15 PHYSICAL DA T A (ENGLISH) .
YORK INTERNA TIONAL 6 T ABLES/FIGURES P AGE T ABLES 48 ENTERING & LEA VING CHILLED LIQUID TEMPERA TURE SENSOR VALUES ............................................................................ 100 49 KEYP AD PIN ASSIGNMENT MA TRIX ...............
YORK INTERNA TIONAL 7 FORM 150.62-NM1 PRODUCT IDENTIFICA TION NUMBER (PIN) YCAL 0080 SC 46 xAA BASIC MODEL NUMBER : Standard Unit : Design Series A : Engineering Change or PIN Level : R-22 : 200 / 3/ .
YORK INTERNA TIONAL 8 PRODUCT IDENTIFICA TION NUMBER (PIN) EXAMPLES: 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 XXXXXXXX LX.
YORK INTERNA TIONAL 9 FORM 150.62-NM1 2 OR 3 COMPRESSORS PER SYSTEM OIL EQU ALIZING LINE AIR COOLED CONDENSERS DX COOLER LEA VING CHILLED WA TER ENTERING CHILLED W A TER SER VICE V AL VE OPTIONAL DISC.
YORK INTERNA TIONAL 10 29224(RIG)A T o ensure warranty coverage, this equipment must be commissioned and serviced by an authorized YORK ser- vice mechanic or a qualified service person experienced in chiller instal- lation.
YORK INTERNA TIONAL 11 FORM 150.62-NM1 FOUNDA TION The unit should be mounted on a flat and level founda- tion, floor , or rooftop capable of supporting the entire operating weight of the equipment.
YORK INTERNA TIONAL 12 Hand stop valves should be installed in all lines to facili- tate servicing. Piping to the inlet and outlet connections of the chiller should include high-pressure rubber hose or piping loops to insure against transmission of water pump vibration.
YORK INTERNA TIONAL 13 FORM 150.62-NM1 EV APORA TOR PUMP ST ART CONT ACTS T erminal block CTB2 - terminals 23 to 24, are normally open contacts that can be used to switch field supplied power to provide a start signal to the evaporator pump contactor .
YORK INTERNA TIONAL 14 Control Panel *Circuit # 2 Circuit # 1 See electrical note 9 Power Panel Field 120-1-60 Micropanel Power Supply if control transformer not supplied Micropanel Field Unit Power Supply GRD 1L1 1L2 1L3 2L1 2L2 2L3 GRD 2 L CTB2 13 14 CTB1 Flow Switch FIG.
YORK INTERNA TIONAL 15 FORM 150.62-NM1 Control Panel Power Panel Micropanel Field Unit Power Supply Field 120-1-60 Micropanel Power Supply if control transformer not supplied See electrical note 9 1L1 1L2 1L3 GRD 13 14 CTB1 2 L CTB2 Flow Switch Electrical Notes and Legend located on Page 18 and 19.
YORK INTERNA TIONAL 16 Control Panel See electrical note 9 Power Panel Micropanel Field Unit Power Supply 1L1 1L2 1L3 N-F Disconnect Sw. OR Molded Case Circuit Bkr. Field 120-1-60 Micropanel Power Supply if control transformer not supplied GRD CTB2 2 L 13 14 CTB1 Flow Switch Electrical Notes and Legend located on Page 18 and 19.
YORK INTERNA TIONAL 17 FORM 150.62-NM1 CTB1 21 13 20 13 14 13 FLO W SW REMO TE ST AR T/ST OP PWM INPUT LOAD LIMIT INPUT FIG. 5 – CONTROL WIRING CONTROL WIRING * * F actory wired with optional transformer . LD0361 1 LD03819 IT IS POSSIBLE THA T MULTIPLE SOURCES OF POWER CAN BE SUPPL YING THE UNIT POWER P ANEL.
YORK INTERNA TIONAL 18 NOTES: 1. Minimum Circuit Ampacity (MCA) is based on 125% of the rated load amps for the largest motor plus 100% of the rated load amps for all other loads included in the circuit, per N.
YORK INTERNA TIONAL 19 FORM 150.62-NM1 VOL T AGE CODE -17 = 200-3-60 -28 = 230-3-60 -40 = 380-3-60 -46 = 460-3-60 -58 = 575-3-60 ELECTRICAL NOTES LEGEND ACR-LINE ACROSS THE LINE ST ART C.
YORK INTERNA TIONAL 20 T ABLE 1 – MICROP ANEL POWER SUPPL Y OVER CURRENT PROTECTION, UNIT VOLTAGE UNIT VOLTAGE CONTROL POWER MCA SEE NOTE B NF DISC Sw NOTE A MIN MAX MODELS w/o CONTROL TRANS 1 15-1-.
YORK INTERNA TIONAL 21 FORM 150.62-NM1 ELECTRICAL DA T A – ST ANDARD SINGLE POINT POWER YCAL0014SC - YCAL0034SC T ABLE 2 – ST ANDARD SINGLE POINT POWER SINGLE POINT FIELD SUPPLIED WIRING SYSTEM #1 COMPRESSOR & FAN MODEL INCOMING YCAL VOLT HZ MCA 1 MIN N/F D.
YORK INTERNA TIONAL 22 ELECTRICAL DA T A – ST ANDARD DUAL POINT POWER YCAL0040SC - YCAL0080SC See notes and legend on pages 18 and 19. SYSTEM #1 FIELD SUPPLIED WIRING SYSTEM #1 COMPRESSOR & FAN MODEL INCOMING YCAL VOLT HZ M CA 1 MIN N/F D.E. FUSE CKT.
YORK INTERNA TIONAL 23 FORM 150.62-NM1 SYSTEM #2 FIELD SUPPLIED WIRING SYSTEM #2 COMPRESSOR & FAN MCA 1 MIN N/F D.E. FUSE CKT. BRK. 5 INCOMING COMPR. #1 COMPR. #2 COMPR. #3 FANS DISC SW 2 MIN 3 MAX 4 MIN MAX WIRE RLA LRA RLA LRA RLA LRA QT Y FLA (EA) RANGE 6 91 10 0 100 1 10 100 1 10 # 2 - 1/0 32.
YORK INTERNA TIONAL 24 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0014SC - YCAL0034SC T ABLE 4 – OPTIONAL SINGLE POINT POWER SINGLE POINT FIELD SUPPLIED WIRING MODEL INCOMING WIRE RANGE 6 YCAL VOLT HZ MCA 1 MIN N/F D.
YORK INTERNA TIONAL 25 FORM 150.62-NM1 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0014SC - YCAL0034SC SYSTEM #1 COMPRESSOR & FAN COMPR. #1 COMPR. #2 COMPR. #3 FANS RLA LRA RLA LRA RLA LRA QTY FLA (EA) 26.0 195 26.0 195 —— 2 8.2 24.1 195 24.
YORK INTERNA TIONAL 26 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0040SC - YCAL0060SC T ABLE 5 – OPTIONAL SINGLE POINT POWER See notes and legend on pages 18 and 19. SINGLE POINT FIELD SUPPLIED WIRING MODEL INCOMING WIRE RANGE 6 YCAL VOLT HZ MCA 1 MIN N/F D.
YORK INTERNA TIONAL 27 FORM 150.62-NM1 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0040SC - YCAL0060SC SYSTEM #1 COMPRESSOR & FAN SYSTEM #2 COMPRESSOR & FAN COMPR. #1 COMPR. #2 COMPR. #3 FANS COMPR. #1 COMPR. #2 COMPR. #3 FANS RLA LRA RLA LRA RLA LRA QTY FLA (EA) RLA LRA RLA LRA RLA LRA QT Y FLA (EA) 32.
YORK INTERNA TIONAL 28 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0064SC - YCAL0080SC Installation T ABLE 6 – OPTIONAL SINGLE POINT POWER SINGLE POINT FIELD SUPPLIED WIRING MODEL INCOMING WIRE RANGE 6 YCAL VOLT HZ MCA 1 MIN N/F D.E. FUSE CKT.
YORK INTERNA TIONAL 29 FORM 150.62-NM1 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0064SC - YCAL0080SC 1 SYSTEM #1 COMPRESSOR & FAN SYSTEM #2 COMPRESSOR & FAN COMPR. #1 COMPR. #2 COMPR. #3 FANS COMPR. #1 COMPR. #2 COMPR. #3 FANS RLA LRA RLA LRA RLA LRA QTY FLA (EA) RLA LRA RLA LRA RLA LRA QTY FLA (EA) 52.
YORK INTERNA TIONAL 30 OPERA TIONAL LIMIT A TIONS (ENGLISH) YCAL00 LEA VING W A TER COOLER FLOW (GPM 3 ) AIR ON CONDENSER ( ° F) TEMPERA TURE ( ° F ) MIN 1 MAX 2 MIN MAX MIN 4 MAX 5 14SC 40 55 30 60.
YORK INTERNA TIONAL 31 FORM 150.62-NM1 OPERA TIONAL LIMIT A TIONS (ENGLISH) 1 Cooler Pressure Drop YCAL0030 Flow , GPM 60.00 50.00 40.00 30.00 20.00 10.00 0.00 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Press. Drop, Ft. H 2 O LD04966 40.00 30.
YORK INTERNA TIONAL 32 OPERA TIONAL LIMIT A TIONS (METRIC) T ABLE 1 1 – TEMPERA TURES AND FLOWS YCAL00 LEA VING W A TER COOLER FLOW (L/S) AIR ON CONDENSER ( ° C) TEMPERA TURE ( ° C) MIN 1 MAX 2 MIN MAX MIN 4 MAX 5 14SC 4.4 12.8 1.9 3.8 -3.9 51.7 20SC 4.
YORK INTERNA TIONAL 33 FORM 150.62-NM1 OPERA TIONAL LIMIT A TIONS (METRIC) T ABLE 13 – COOLER PRESSURE DROP CURVES MODEL YCAL00 COOLER CURVE 14SC, 20SC, 24SC, A 30SC 34SC B 40SC, 44SC, 50SC, C 60SC 64SC, 70SC, 74SC, D 80SC E % WT FACTORS FREEZE ETHYLE- POINT NE TONS COMPR.
YORK INTERNA TIONAL 34 T ABLE 15 – PHYSICAL DA T A (ENGLISH) PHYSICAL DA T A (ENGLISH) YCAL0014SC - YCAL0080SC Model YCAL00 14SC 20SC 24SC 30SC 34SC 40SC 44SC Nominal Tons 13.
YORK INTERNA TIONAL 35 FORM 150.62-NM1 PHYSICAL DA T A (ENGLISH) YCAL0014SC - YCAL0080SC 50SC 60SC 64SC 70SC 74SC 80SC 49.9 54.0 62.4 69.4 74.0 79.1 22 2 2 2 2 22 3 3 3 3 44 6 6 6 6 128.0 128.0 149.3 149.3 149.3 149.3 23 2 2 3 3 14 14 14 16 12 14 44 4 4 4 4 2 / 1.
YORK INTERNA TIONAL 36 PHYSICAL DA T A (METRIC) YCAL0014SC - YCAL0080SC T ABLE 16 – PHYSICAL DA T A (METRIC) Model YCAL00 14SC 20SC 24SC 30SC 34SC 40SC 44SC Nominal kW 46.
YORK INTERNA TIONAL 37 FORM 150.62-NM1 PHYSICAL DA T A (METRIC) YCAL0014SC - YCAL0080SC 50SC 60SC 64SC 70SC 74SC 80SC 177.1 191.6 221.3 246.0 262.6 278.1 222222 223333 446666 12 12 14 14 14 14 232233 518 518 518 518 518 518 444444 2 / 1.4 2 / 1.4 2 / 1.
YORK INTERNA TIONAL 38 DIMENSIONS (ENGLISH) YCAL0014SC - YCAL0020SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.
YORK INTERNA TIONAL 39 FORM 150.62-NM1 DIMENSIONS (ENGLISH) YCAL0014SC - YCAL0020SC T ABLE 17 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03847 MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT AL X Y Z 14SC 587 525 587 525 2225 50.1 25.
YORK INTERNA TIONAL 40 DIMENSIONS (ENGLISH) YCAL0024SC - YCAL0034SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.
YORK INTERNA TIONAL 41 FORM 150.62-NM1 DIMENSIONS (ENGLISH) YCAL0024SC - YCAL0034SC T ABLE 18 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03845 MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT AL X Y Z 24SC 636 581 636 581 2435 50.6 25.
YORK INTERNA TIONAL 42 DIMENSIONS (ENGLISH) YCAL0040SC - YCAL0060SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.
YORK INTERNA TIONAL 43 FORM 150.62-NM1 DIMENSIONS (ENGLISH) YCAL0040SC - YCAL0060SC LD03849 T ABLE 19 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT A L X Y Z 40SC 1 1 10 1071 1 1 1 0 1071 4363 58.
YORK INTERNA TIONAL 44 DIMENSIONS (ENGLISH) YCAL0064SC - YCAL0080SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.
YORK INTERNA TIONAL 45 FORM 150.62-NM1 DIMENSIONS (ENGLISH) YCAL0064SC - YCAL0080SC T ABLE 20 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03851 MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT AL X Y Z 64SC 1463 1288 1463 1288 5501 56.
YORK INTERNA TIONAL 46 DIMENSIONS (METRIC) YCAL0014SC - YCAL0020SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.
YORK INTERNA TIONAL 47 FORM 150.62-NM1 DIMENSIONS (METRIC) YCAL0014SC - YCAL0020SC T ABLE 21 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03853 All dimensions in millimeters unless otherwise noted.
YORK INTERNA TIONAL 48 DIMENSIONS (METRIC) YCAL0024SC - YCAL0034SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.
YORK INTERNA TIONAL 49 FORM 150.62-NM1 DIMENSIONS (METRIC) YCAL0024SC - YCAL0034SC T ABLE 22 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03855 All dimensions in millimeters unless otherwise noted.
YORK INTERNA TIONAL 50 DIMENSIONS (METRIC) YCAL0040SC - YCAL0060SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.
YORK INTERNA TIONAL 51 FORM 150.62-NM1 DIMENSIONS (METRIC) YCAL0040SC - YCAL0060SC T ABLE 23 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03857 All dimensions in millimeters unless otherwise noted.
YORK INTERNA TIONAL 52 DIMENSIONS (METRIC) YCAL0064SC - YCAL0080SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.
YORK INTERNA TIONAL 53 FORM 150.62-NM1 DIMENSIONS (METRIC) YCAL0064SC - YCAL0080SC T ABLE 24 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03859 All dimensions in millimeters unless otherwise noted.
YORK INTERNA TIONAL 54 PRE-ST ARTUP CHECKLIST G 8. Visually inspect wiring (power and control). Wir- ing MUST meet N.E.C. and local codes. See Fig- ures 2- 5, pages 14 - 17. G 9. Check tightness of power wiring inside the power panel on both sides of the motor contactors and overloads.
YORK INTERNA TIONAL 55 FORM 150.62-NM1 G 3. Program/verify the Cooling Setpoints, Program Setpoints, and unit Options. Record the values below (see sections on Setpoints and Unit keys for programming instruction).
YORK INTERNA TIONAL 56 The subcooling temperature of each system can be cal- culated by recording the temperature of the liquid line at the outlet of the condenser and subtracting it from the liquid line saturation temperature at the liquid stop valve (liquid line saturation temp.
YORK INTERNA TIONAL 57 FORM 150.62-NM1 The operating sequence described below relates to op- eration on a hot water start after power has been ap- plied, such as start-up commissioning. When a com- pressor starts, internal timers limit the minimum time before another compressor can start to 1 minute.
YORK INTERNA TIONAL 58 UNIT CONTROLS YORK MILLENNIUM CONTROL CENTER The YORK MicroComputer Control Center is a micro- processor based control system designed to provide the entire control for the liquid chiller .
YORK INTERNA TIONAL 59 FORM 150.62-NM1 The Microprocessor Board energizes on-board relays to output 120V AC to motor contactors, solenoid valves, etc. to control system operation. UNIT SWITCH A UNIT ON/OFF switch is just underneath the keypad. This switch allows the operator to turn the entire unit OFF if desired.
YORK INTERNA TIONAL 60 “ ST A TUS ” KEY The following messages are displayed when the “ Sta- tus ” key is pressed. Following each displayed message is an explanation pertaining to that particular display .
YORK INTERNA TIONAL 61 FORM 150.62-NM1 Sys Switch Off tells that the system switch under OP- TIONS is turned of f. The system will not be allowed to run until the switch is turned back on.
YORK INTERNA TIONAL 62 When this message appears, suction pressure limiting is in effect. Suction Pressure Limiting is only available on units that have the suction pressure transducer in- stalled. If a low pressure switch is installed instead, suc- tion pressure limiting will not function.
YORK INTERNA TIONAL 63 FORM 150.62-NM1 The Discharge Pressure Cutout is a software cutout in the microprocessor and is backed-up by a mechanical high pressure cutout switch located in the refrigerant circuit. It assures that the system pressure does not exceed safe working limits.
YORK INTERNA TIONAL 64 Restart is allowed after the unit is fully powered again and the anti-recycle timers have finished counting down. UNIT W ARNING The following message is not a unit safety and will not be logged to the history buf fer . It is a unit warning and will not auto-restart.
YORK INTERNA TIONAL 65 FORM 150.62-NM1 ST A TUS KEY MESSAGES T ABLE 26 – ST A TUS KEY MESSAGES ST A TUS KEY MESSA GES General Messages F ault Messages Unit Switch Off Shutdown Remote Controlled Shut.
YORK INTERNA TIONAL 66 The Display/Print keys allow the user to retrieve sys- tem and unit information that is useful for monitoring chiller operation, diagnosing potential problems, trouble- shooting, and commissioning the chiller .
YORK INTERNA TIONAL 67 FORM 150.62-NM1 SY S 1 S P = 7 2.1 P S I G D P =227 . 0 P S IG These displays show suction and discharge pressures for systems 1 & 2. The discharge pressure transducer is optional on all models If the optional discharge transducer is not installed, the discharge pressure would display 0 PSIG (0 barg).
YORK INTERNA TIONAL 68 EVA P P U M P I S O N E VAP HEAT ER I S OF F SYS X R U NT I M E X X -X X -X X-X X D- H- M -S SYS X N U M B ER O F CO MP S RUNN I NG X SYS X L LSV I S O N HO T GA S S O L I S O F F SYS X F A N S TA G E 3 This display indicates the status of the evaporator pump contacts and the evaporator heater .
YORK INTERNA TIONAL 69 FORM 150.62-NM1 T ABLE 27 – OPERA TION DA T A OPER DA T A Quick Reference List The following table is a quick reference list for informa- tion available under the OPER DA T A key .
YORK INTERNA TIONAL 70 PRINT Key The PRINT key allows the operator to obtain a printout of real-time system operating data or a printout of sys- tem data at the “ instant of the fault ” on the last six faults which occurred on the unit. An optional printer is re- quired for the printout.
YORK INTERNA TIONAL 71 FORM 150.62-NM1 HISTOR Y PRINTOUT Pressing the PRINT key and then the HISTOR Y key allows the operator to obtain a printout of information relating to the last 6 Safety Shutdowns which occurred. The information is stored at the instant of the fault, re- gardless of whether the fault caused a lockout to occur .
YORK INTERNA TIONAL 72 The UP and DOWN arrows are used to scroll forwards and backwards through the history buf fer to display the shutdown conditions.
YORK INTERNA TIONAL 73 FORM 150.62-NM1 The Entry Keys allows the user to view , change pro- grammed values. The ENTRY keys consist of an UP ARROW key , DOWN ARROW key , and an ENTER/ADV key .
YORK INTERNA TIONAL 74 be displayed for a few seconds, and then the setpoint entry screen will be displayed. Following are the four possible messages that can be displayed after pressing the COOLING SETPOINT key , indicating the cooling mode: This message indicates that the cooling setpoint is un- der LOCAL control.
YORK INTERNA TIONAL 75 FORM 150.62-NM1 After using the UP and DOWN arrows to adjust to the desired setpoint, the ENTER/ADV key must be pressed to enter this number into memory and advance to the RANGE SETPOINT . This will be indicated by the cursor moving under the current RANGE setpoint.
YORK INTERNA TIONAL 76 Pressing the COOLING SETPOINTS key a second time will display the remote setpoint and cooling range. This display automatically updates about every 2 seconds. Notice that these setpoints are not “ locally ” program- mable, but are controlled by a remote device such as an ISN control.
YORK INTERNA TIONAL 77 FORM 150.62-NM1 SCHEDULE/ADV ANCE DA Y key The SCHEDULE is a seven day daily schedule that al- lows one start/stop time per day . The schedule can be programmed Monday through Sunday with an alternate holiday schedule available.
YORK INTERNA TIONAL 78 PROGRAM key There are six operating parameters under the PRO- GRAM key that are programmable. These setpoints can be changed by pressing the PROGRAM key , and then the ENTER/ADV key to enter Program Mode . Continu- ing to press the ENTER/ADV key will display each op- erating parameter .
YORK INTERNA TIONAL 79 FORM 150.62-NM1 Another anti-recycle timer is started each time the sys- tems number one compressor cycles off. This anti-re- cycle time is fixed at 120 seconds and starts to count- down when the systems number one compressor cycles off.
YORK INTERNA TIONAL 80 T ABLE 30 – SETPOINTS QUICK REFERENCE LIST T able 30 provides a quick reference of the setpoints list for the Setpoints Keys. Cooling Setpoints Key Schedule/ Program Mode (press key to adv .) Adv ance Day Ke y (press enter to adv .
YORK INTERNA TIONAL 81 FORM 150.62-NM1 “ UNIT ” KEYS OPTIONS key There are eleven programmable options (nine for units with a single refrigerant system) under the OPTIONS key . The OPTIONS key is used to scroll through the list of options by repeatedly pressing the OPTIONS key .
YORK INTERNA TIONAL 82 ABCDE F G H I J K LM N OPQRS T 1234567890 ° ,./ % - ( ) * X ABCDE F G H I J K LM N OPQRS T 1234567890 ° ,./ % - ( ) * X or The chilled liquid is glycol. The Cooling Setpoint can be programmed from 10 ° F to 70 ° F (-12.2 ° C to 21.
YORK INTERNA TIONAL 83 FORM 150.62-NM1 Condenser fans are controlled by ambient tem pera- t ure and discharge pressure. This mode must be cho- sen if the discharge pressure transducers are not in- stalled, or if the fan cycling is a concern. Option 1 1 – Manual Override Mode T his option allows overriding of the daily schedule that is programmed.
YORK INTERNA TIONAL 84 T ABLE 31 – UNIT KEYS PROGRAMMING QUICK REFERENCE LIST T able 31 provides a quick reference list for the Unit key setpoints. Options Ke y Cloc k (press key to ad v .
YORK INTERNA TIONAL 85 FORM 150.62-NM1 CAP ACITY CONTROL T o initiate the start sequence of the chiller , all run per- missive inputs must be satisfied (flow/remote start/stop switch), and no chiller or system faults exist. The first phase of the start sequence is initiated by the Daily Schedule Start or a Remote Cycling Device.
YORK INTERNA TIONAL 86 FIG. 6 – LEA VING W A TER TEMPERA TURE CONTROL T ABLE 32 – LEA VING CHILLED LIQUID CONTROL FOR 6 COMPRESSORS (8 STEPS) T ABLE 33 – LEA VING CHILLED LIQUID CONTROL FOR 4 COMPRESSORS (6 STEPS) 20 sec. 30 sec. 60 sec. control range 60 sec.
YORK INTERNA TIONAL 87 FORM 150.62-NM1 Notes: 1. Step 1 is Hot Gas Bypass and is skipped when loading occurs. Hot Gas Bypass operation is inhibited during Pumpdown.
YORK INTERNA TIONAL 88 RETURN CHILLED LIQUID CONTROL (DUAL SYSTEM 4 AND 6 COMP UNITS ONL Y) Return chilled liquid control is based on staging the com- pressors to match the cooling load. The chiller will be fully loaded when the return water temperature is equal to the Cooling Setpoint plus the Range Setpoint.
YORK INTERNA TIONAL 89 FORM 150.62-NM1 Compressor Staging for Return W ater Control – 6 Compressors Cooling Setpoint = 45 ° F (7.2 ° C) Range = 10 ° F (5.6 ° C) Notes: 1. Step 1 is Hot Gas Bypass and is skipped when loading occurs. Hot Gas Bypass operation is inhibited during Pumpdown.
YORK INTERNA TIONAL 90 EV APORA TOR PUMP CONTROL The evaporator pump dry contacts (CTB2 - terminals 23 - 24) are energized when any of the following condi- tions are true: 1. Low Leaving Chilled Liquid Fault 2. Any compressor is running 3. Daily Schedule is not programmed OFF and Unit Switch is ON.
YORK INTERNA TIONAL 91 FORM 150.62-NM1 LOW AMBIENT CONDENSER FAN CONTROL For unit operation below 25 ° F (-3.9 ° C) a low ambient kit is required. The kit consists of a discharge pressure transducer(s) and reversing contactors.
YORK INTERNA TIONAL 92 PUMPDOWN (LLSV) CONTROL Each system has a Pumpdown feature upon shut-off. On a non-safety , non-unit switch shutdown, all compres- sors but one in the system will be shut off.
YORK INTERNA TIONAL 93 FORM 150.62-NM1 EMS-PWM REMOTE TEMPERA TURE RESET EMS-PWM Remote T emperature Reset is a value that resets the Chilled Liquid Setpoint based on a PWM in- put (timed contact closure) to the microboard. This PWM input would typically be supplied by an Energy Man- agement System.
YORK INTERNA TIONAL 94 FIG. 7 – FIELD AND F ACT OR Y ELECTRICAL CONNECTIONS OPTIONAL REMOTE TEMPERA TURE RESET BOARD If a 4-20mA signal is available, it is applied to termi- nals A+ and A- and jumpers are applied to JU5 and JU3 on the reset board. The mA signal is conditioned to a 1-1 1 second PWM output.
YORK INTERNA TIONAL 95 FORM 150.62-NM1 SER VICE AND TROUBLESHOOTING CLEARING HISTOR Y BUFFERS The history buffers may be cleared by pressing the HIS- TOR Y key and then repeatedly pressing the UP arrow key until you scroll past the last history buffer choice.
YORK INTERNA TIONAL 96 SERVICE MODE - INPUTS After entering the Service Mode, all digital and analog inputs to the microboard can be viewed by pressing the OPER DA T A key . After pressing the OPER DA T A key , the UP ARROW and DOWN ARROW keys are used to scroll through the analog and digital inputs.
YORK INTERNA TIONAL 97 FORM 150.62-NM1 * The 30 dc unregulated supply is not an input. This voltage originates on the microboard and is used to supply the contacts for the binary inputs.
YORK INTERNA TIONAL 98 FIG. 8 – MICROBOARD LA YOUT J4 J8 J6 J5 J7 J9 TB3 TB4 TB5 00071VIP TB1 TB2 Service and T roubleshooting CLOCK ON/OFF JUMPER.
YORK INTERNA TIONAL 99 FORM 150.62-NM1 CHECKING INPUTS AND OUTPUTS BINAR Y INPUTS Refer to the unit wiring diagram. All binary inputs are connected to J9 of the microboard.
YORK INTERNA TIONAL 100 Entering Chilled Liquid Sensor J6-6 = +5V DC regulated supply to sensor . J6-9 = VDC input signal to the microboard. See T able 48 for voltage readings that correspond to specific liquid temperatures. J6-3 = drain (shield connection = 0VDC) Leaving Chilled Liquid T emp.
YORK INTERNA TIONAL 101 FORM 150.62-NM1 ANALOG INPUTS – Pressure Refer to the unit wiring diagram. Pressure inputs are connected to the microboard on plugs J4 and J7. These analog inputs represent varying dc signals correspond- ing to varying pressures.
YORK INTERNA TIONAL 102 The suction transducers have a range from 0 to 200 PSIG (13.79 BARG). The output will be linear from .5 VDC to 4.5 VDC over the 200 PSIG (13.79 BARG) range. Following is a formula that can be used to verify the voltage output of the transducer .
YORK INTERNA TIONAL 103 FORM 150.62-NM1 KEYP AD The operator keypad is connected to the microboard by a ribbon cable, which is connected to J2 on the mi- croboard. The integrity of a specific “ button ” on the keypad can be verified by doing a continuity check across two specific .
YORK INTERNA TIONAL 104 The micro panel is capable of supplying a printout of chiller conditions or fault shutdown information at any given time. This allows operator and service personnel to obtain data and system status with the touch of the keypad.
YORK INTERNA TIONAL 105 FORM 150.62-NM1 TROUBLESHOOTING PROBLEM CA USE SOLUTION No display on panel. 1. No 115V A C to 1T . 1a. Check wiring and fuse Unit will not operate. 3FU b . Check wiring emergency stop contacts 5 to L of CTB2 T er minal Bloc k.
YORK INTERNA TIONAL 106 PROBLEM CA USE SOL “ LO W SUCTION PRESSURE ” 4. TXV defectiv e. 4. Replace TXV . F A UL T (CONT ’ D) 5. Reduced flo w of chilled 5. Check GPM (See “ Limita tions ” liquid through the cooler . in Insta llat ion sect ion).
YORK INTERNA TIONAL 107 FORM 150.62-NM1 PROBLEM CA USE SOLUTION “ MP / HPCO ” FA U LT 1. Compressor internal motor 1. V er ify refrigerant charge is protector (MP) open. not low . V er ify superheat setting of ° 10 - 15 ° F (5.6 ° - 8. 3 ° C).
YORK INTERNA TIONAL 108 MAINTENANCE It is the responsibility of the equipment owner to pro- vide maintenance on the system. IMPORT ANT If system failure occurs due to improper maintenance during the warranty period, YORK will not be liable for costs incurred to return the system to satisfactory op- eration.
YORK INTERNA TIONAL 109 FORM 150.62-NM1 RECEIVED DA T A (CONTROL DA T A) The Middle Market receives 8 data values from the ISN. The first 4 are analog values and the last 4 are digital values. These 8 data values are used as control pa- rameters when in REMOTE mode.
YORK INTERNA TIONAL 110 Service and T roubleshooting * The operational and fault codes sent to pages 56 through 59 are defined in T able 54. Note that this table of fault and op codes is for all DX products. The codes that are grayed out are not used on this unit.
YORK INTERNA TIONAL 111 FORM 150.62-NM1 T ABLE 54 – ISN OPERA TIONAL AND F AUL T CODES P56/58 OPERA TIONAL CODE P57/59 F AUL T CODE 0 NO ABNORMAL CONDITION 0 NO F AUL T 1 UNIT SWITCH OFF 1 V AC UNDE.
YORK INTERNA TIONAL 112 ELEMENT AR Y DIAGRAM YCAL0014SC – YCAL0030SC FIG. 11 – ELEMENT AR Y DIA GRAM Wiring Diagrams.
YORK INTERNA TIONAL 113 FORM 150.62-NM1 20 LD03531 ELEMENT AR Y DIAGRAM YCAL0014SC – YCAL0030SC FIG. 11 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4.
YORK INTERNA TIONAL 114 ELEMENT AR Y DIAGRAM YCAL0014SC – YCAL0030SC LD03532 FIG. 12 – ELEMENT AR Y DIA GRAM Wiring Diagrams.
YORK INTERNA TIONAL 115 FORM 150.62-NM1 This page intentionally left blank. 4.
YORK INTERNA TIONAL 116 ELEMENT AR Y DIAGRAM YCAL0034SC FIG. 13 – ELEMENT AR Y DIA GRAM Wiring Diagrams.
YORK INTERNA TIONAL 117 FORM 150.62-NM1 FIG. 13 – ELEMENT AR Y DIA GRAM (Cont ’ d) LD03533 ELEMENT AR Y DIAGRAM YCAL0034SC 4.
YORK INTERNA TIONAL 118 FIG. 14 – ELEMENT AR Y DIA GRAM ELEMENT AR Y DIAGRAM YCAL0034SC LD03534 Wiring Diagrams.
YORK INTERNA TIONAL 119 FORM 150.62-NM1 This page intentionally left blank. 4.
YORK INTERNA TIONAL 120 ELEMENT AR Y DIAGRAM YCAL0040SC – YCAL0060SC FIG. 15 – ELEMENT AR Y DIA GRAM Wiring Diagrams.
YORK INTERNA TIONAL 121 FORM 150.62-NM1 ELEMENT AR Y DIAGRAM YCAL0040SC – YCAL0060SC LD03535 FIG. 15 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4.
YORK INTERNA TIONAL 122 ELEMENT AR Y DIAGRAM YCAL0040SC – YCAL0060SC FIG. 16 – ELEMENT AR Y DIA GRAM Wiring Diagrams.
YORK INTERNA TIONAL 123 FORM 150.62-NM1 ELEMENT AR Y DIAGRAM YCAL0040SC – YCAL0060SC LD03536 FIG. 16 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4.
YORK INTERNA TIONAL 124 ELEMENT AR Y DIAGRAM YCAL0064SC – YCAL0080SC FIG. 17 – ELEMENT AR Y DIA GRAM Wiring Diagrams.
YORK INTERNA TIONAL 125 FORM 150.62-NM1 ELEMENT AR Y DIAGRAM YCAL0064SC – YCAL0080SC LD03537 FIG. 17 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4.
YORK INTERNA TIONAL 126 ELEMENT AR Y DIAGRAM YCAL0064SC – YCAL0080SC FIG. 18 – ELEMENT AR Y DIA GRAM Wiring Diagrams.
YORK INTERNA TIONAL 127 FORM 150.62-NM1 LD03538 ELEMENT AR Y DIAGRAM YCAL0064SC – YCAL0080SC FIG. 18 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4.
YORK INTERNA TIONAL 128 ISOLA TOR SPRING IDENTIFICA TION TABLE 1" DEFLECTION SEISMIC MODEL P ART- # COLOR MODEL P ART # COLOR CP-1-27 308439-27 ORANGE AEQM-97 301055-97 WHITE CP-1-28 308439-28 GR.
YORK INTERNA TIONAL 129 FORM 150.62-NM1 SEISMIC WEIGHT DISTRIBUTION POINT SPRING LOCA TION Refer to Dimensions for Weight Distribution Point Location A – D MODEL # ABCD YCAL0014 AEQM-97 AEQM-97 AEQM.
APPENDIX 1 (DIMENSIONS) FIG. 19 – TYPE CP 1 FIG. 20 – TYPE CP 2 LD03839 LD03840 Appendix 1 – Isolators.
APPENDIX 1 (DIMENSIONS) MODEL # A B C D E F G H J AEQM-97 75 - ½ 4- ½ 2- ½ A! 7- !A @ AEQM-98 75 - ½ 4- ½ 2- ½ A! 7- !A @ AEQM-99 75 - ½ 4- ½ 2- ½ A! 7- !A @ AEQM-1000 8- ½ 6- ½ 6 4- ½¾ @.
YORK INTERNA TIONAL 132 INST ALLA TION AND ADJUSTING INST ALLA TIONS TYPE CP MOUNTING APPENDIX 1 Mountings are shipped completely assembled, ready to install. 1 . Locate mountings under equipment at positions shown on tags or on VM layout drawings, or as indi- cated on packing slip or correspondence.
YORK INTERNA TIONAL 133 FORM 150.62-NM1 “ AEQM ” SPRING-FLEX MOUNTING INST ALLA TION AND ADJUSTMENT INSTRUCTIONS APPENDIX 1 1. Isolators are shipped fully assembled and are to be spaced and located in accordance with installation drawings or as otherwise recommended.
YORK INTERNA TIONAL 134 ALABAMA Birmingham YORK International Corp. (205) 987-0458 ARIZONA Phoenix YORK International Corp. (602) 220-9400 CALIFORNIA Los Angeles YORK International Corp. (714) 897-0997 San Francisco YORK International Corp. (510) 426-1 166 COLORADO Denver YORK International Corp.
YORK INTERNA TIONAL 135 FORM 150.62-NM1 This page intentionally left blank..
P .O. Box 1592, Y ork, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA Copyright © by Y ork International Corporation 2000 ALL RIGHTS RESERVED Form 150.62-NM1 (700) Supersedes: 150.62-NM1 (899) 150.62-NM1 (399) T ele. 800-851-1001 www .
An important point after buying a device York YCAL0080SC (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought York YCAL0080SC yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data York YCAL0080SC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, York YCAL0080SC you will learn all the available features of the product, as well as information on its operation. The information that you get York YCAL0080SC will certainly help you make a decision on the purchase.
If you already are a holder of York YCAL0080SC, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime York YCAL0080SC.
However, one of the most important roles played by the user manual is to help in solving problems with York YCAL0080SC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York YCAL0080SC along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
