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®
MILLENNIUM
AIR-COOLED LIQUID CHILLERS
HERMETIC SCROLL
INSTALLATION, OPERATION, MAINT.
Supersedes: 150.62-NM1 (899)
Form 150.62-NM1 (700)
YCAL0014SC - YCAL0080SC
29224(R)A
200-3-60
230-3-60
380-3-60
460-3-60
575-3-60
MODELS ONLY
Standard, Glycol & Metric Models, Combined
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IMPORTANT! READ BEFORE PROCEEDING! GENERAL SAFETY GUIDELINES This equipment is a relatively complicated apparatus. During installation, opera- tion, maintenance or service, individuals may be exposed to certain components or conditions including, but not limited to: refrigerants, oils, materials under pressure, rotating components, and both high and low voltage. Each of these items has the potential, if mis-used or handled improperly, to cause bodily injury or death. It is the obligation and
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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. CHANGEABILITY OF THIS DOCUMENT In complying with YORK’s policy for continuous product improvement, the informa- tion contained in this document is subject to change without notice. While YORK makes no co
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TABLE OF CONTENTS AND TABLES PAGE PRODUCT IDENTIFICATION NUMBER .......................................................... 7 REFRIGERANT FLOW DIAGRAM................................................................... 9 SECTION 1 INSTALLATION .......................................................................... 10 ELECTRICAL DATA ....................................................................................... 20 OPERATIONAL LIMITATIONS .............................................
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FORM 150.62-NM1 TABLES AND FIGURES PAGE TABLES 13 COOLER PRESSURE DROPS (METRIC)............................................. 33 14 ETHYLENE GLYCOL CORRECTION FACTORS .................................. 33 15 PHYSICAL DATA (ENGLISH) ........................................................ 34 – 35 16 PHYSICAL DATA (METRIC) .......................................................... 36 – 37 17 WEIGHT DISTRIBUTION/CENTER OF GRAVITY (ENGLISH) ............. 39 18 WEIGHT DISTRIBUTION/CENTER OF GRAVITY (
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TABLES/FIGURES PAGE TABLES 48 ENTERING & LEAVING CHILLED LIQUID TEMPERATURE SENSOR VALUES ............................................................................ 100 49 KEYPAD PIN ASSIGNMENT MATRIX ................................................. 103 50 TROUBLESHOOTING CHARTS ............................................... 105 – 107 51 ISN RECEIVED DATA .......................................................................... 109 52 ISN TRANSMITTED DATA ................................
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FORM 150.62-NM1 PRODUCT IDENTIFICATION NUMBER (PIN) EXAMPLES: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Y C A S 1385 E A 50 Y F A Y C A L0080 S C 46 X A A BASIC MODEL NUMBER YCAL0080SC46xAA 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 DESIGN/DEVELOPMENT LEVEL Y 0### S C : R-22 1 7 A : YORK : Standard Unit : 200 / 3/ 60 : Design Series A C 1### 2 8 : 230 / 3 / 60 A : Engineering : Chiller A Even Number: 60 HZ Nominal Tons 40 : 380 /
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PRODUCT IDENTIFICATION 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 L XXXXXXXXXXXXXXXXXAXXXXXXXXXXXXX S D TC A T S R L X P R S 2 5 C X 1 XXXX 3 D W S A R XBXX 4 BXX L X S D 8 YORK INTERNATIONAL OPTIONS MODEL NUMBER 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 POWER FIELD CONTROLS FIELD COMPRESSOR / PIPING FIELD : SP Supply TB XX L : L
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FORM 150.62-NM1 REFRIGERANT FLOW DIAGRAM AIR COOLED CONDENSERS YCAL REFRIGERANT FLOW DIAGRAM (INCLUDING TEMPERATURE SENSORS & PRESSURE TRANSDUCERS) NOTE: YCAL0040-0080 HAVE TWO REFRIGERANT SYSTEMS AND ONE DX COOLER. * HOT GAS OPTION - SYSTEM 1 ONLY SIGHT GLASS / MOISTURE INDICATOR LIQUID LINE FILTER / DRIER LIQUID LINE SERVICE VALVE LIQUID LINE SOLENOID VALVE HOT DISCHARGE GAS LINE DISCHARGE LINE SOLENOID OPERATED BALL VALVE * HOT GAS BY PASS VALVE OPTIONAL DISCHARGE TXV PRESSURE TRANSDUCER EQ
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Installation INSTALLATION The unit should be lifted by inserting hooks through To ensure warranty coverage, this the holes provided in unit base rails. Spreader bars equipment must be commissioned and should be used to avoid crushing the unit frame serviced by an authorized YORK ser- rails with the lifting chains. See below. vice mechanic or a qualified service person experienced in chiller instal- lation. Installation must comply with all applicable codes, particularly in regard to electrical w
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FORM 150.62-NM1 FOUNDATION SPRING ISOLATORS (OPTIONAL) The unit should be mounted on a flat and level founda- When ordered, four (4) isolators will be furnished. tion, floor, or rooftop capable of supporting the entire operating weight of the equipment. See PHYSICAL Identify the isolator, and locate at the proper mounting DATA for operating weight. If the unit is elevated be- point, and adjust per instructions. See Appendix 1. yond the normal reach of service personnel, a suitable 1 catwalk must
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Installation Hand stop valves should be installed in all lines to facili- ter lines. tate servicing. 6. The chilled water lines that are exposed to outdoor ambients should be wrapped with supplemental Piping to the inlet and outlet connections of the chiller heater cable and insulated to protect against freeze- should include high-pressure rubber hose or piping loops up during low ambient periods, and to prevent for- to insure against transmission of water pump vibration. mation of condensation
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FORM 150.62-NM1 EVAPORATOR PUMP START CONTACTS REMOTE EMERGENCY CUTOFF Terminal block CTB2 - terminals 23 to 24, are normally Immediate shutdown of the chiller can be accomplished open contacts that can be used to switch field supplied by opening a field installed dry contact to break the elec- power to provide a start signal to the evaporator pump trical circuit between terminals 5 to L on terminal block contactor. The contacts will be closed when any of the CTB2. The unit is shipped with a fac
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Installation STANDARD POWER SUPPLY WIRING – (0014 - 0080) Control Panel Power Panel 2 L Circuit # 1*Circuit # 2 Micropanel Flow Switch CTB2 13 14 CTB1 Field 120-1-60 Micropanel Power Supply if control transformer not supplied Field Unit Power Supply See electrical note 9 LD04483 IT IS POSSIBLE THAT MULTIPLE SOURCES OF POWER CAN BE SUPPLYING THE UNIT POWER PANEL. TO PREVENT SERIOUS INJURY OR DEATH, THE TECHNICIAN SHOULD VERIFY THAT NO LETHAL VOLTAGES ARE PRESENT INSIDE THE PANEL AFTER DISCONNEC
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FORM 150.62-NM1 OPTIONAL SINGLE POINT POWER SUPPLY WIRING – (0040 - 0080) Control Panel Power Panel 1 2 L Micropanel CTB2 Flow Switch 13 14 CTB1 Field 120-1-60 Micropanel Power Supply if control transformer not supplied Field Unit Power Supply See electrical note 9 LD04484 IT IS POSSIBLE THAT MULTIPLE SOURCES OF POWER CAN BE SUPPLYING THE UNIT POWER PANEL. TO PREVENT SERIOUS INJURY OR DEATH, THE TECHNICIAN SHOULD VERIFY THAT NO LETHAL VOLTAGES ARE PRESENT INSIDE THE PANEL AFTER DISCONNECTING
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Installation OPTIONAL SINGLE-POINT POWER SUPPLY WIRING N-F DISC SW OR CIRC BKR (0014 - 0080) Control Panel Power Panel 2 L N-F Disconnect Micropanel Sw. OR Molded Case Circuit Bkr. 1L1 1L2 1L3 Flow Switch CTB2 13 14 CTB1 Field 120-1-60 Micropanel Power Supply if control transformer not supplied Field Unit Power Supply See electrical note 9 LD04485 IT IS POSSIBLE THAT MULTIPLE SOURCES OF POWER CAN BE SUPPLYING THE UNIT POWER PANEL. TO PREVENT SERIOUS INJURY OR DEATH, THE TECHNICIAN SHOULD VERI
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FORM 150.62-NM1 CONTROL WIRING FLOW SW REMOTE START/STOP 13 1 14 PWM INPUT 13 20 LOAD LIMIT INPUT 13 21 LD03819 CTB1 * * Factory wired with optional transformer. LD03611 IT IS POSSIBLE THAT MULTIPLE SOURCES OF POWER CAN BE SUPPLYING THE UNIT POWER PANEL. TO PREVENT SERIOUS INJURY OR DEATH, THE TECHNICIAN SHOULD VERIFY THAT NO LETHAL VOLTAGES ARE PRESENT INSIDE THE PANEL AFTER DISCONNECTING POWER, PRIOR TO WORKING ON EQUIPMENT. THE UNIT EVAPORATOR HEATER USES 120 VAC. DISCONNECTING 120 VAC POWER
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Installation ELECTRICAL NOTES 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.E.C. Article 430-24. If the Factory Mounted Control Transformer is provided, add the following to the system MCA values in the electrical tables for the system supplying power to the optional transformer. -17, add 2.5 amps; -28, add 2.3 amps; -40, add 1.5 amps, - 46, add 1.3 amps; -
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FORM 150.62-NM1 ELECTRICAL NOTES LEGEND ACR-LINE ACROSS THE LINE START 1 C.B. CIRCUIT BREAKER D.E. DUAL ELEMENT FUSE DISC SW DISCONNECT SWITCH FACT MOUNT CB FACTORY MOUNTED CIRCUIT BREAKER FLA FULL LOAD AMPS HZ HERTZ MAX MAXIMUM MCA MINIMUM CIRCUIT AMPACITY MIN MINIMUM MIN NF MINIMUM NON FUSED RLA RATED LOAD AMPS S.P. WIRE SINGLE POINT WIRING UNIT MOUNTED SERVICE (NON-FUSED DISCONNECT UNIT MTD SERV SW SWITCH) LRA LOCKED ROTOR AMPS VOLTAGE CODE -17 = 200-3-60 -28 = 230-3-60 -40 = 380-3-60 -46 =
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Installation ELECTRICAL DATA TABLE 1 – MICROPANEL POWER SUPPLY OVER CURRENT PROTECTION, MCA UNIT VOLTAGE UNIT VOLTAGE CONTROL POWER SEE NOTE B NF DISC Sw NOTE A MIN MAX MODELS w/o 115-1-60/50 15A 10A 15A 30 A / 240V CONTROL TRANS -17 200-1-60 15A 10A 15A 30 A / 240V -28 230-1-60 15A 10A 15A 30 A / 240V MODELS w/ -40 380-1-60 15A 10A 15A 30 A / 480V CONTROL TRANS -46 460-1-60 15A 10A 15A 30 A / 480V -58 575-1-60 15A 10A 15A 30 A / 600V A. Minimum #14 AWG, 75°C, Copper Recommended B. Minimum and
