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YORK INTERNATIONAL

FORM 201.18-NM3

1981

191

914

1727

2277

1713

1614

8694

3708

2642

SYS. #1 & #2

SYS. #3

SIDE VIEW

POWER OPENING

(BOTH SIDES)

(4) 57 DIA. RIGGING

HOLES (EACH SIDE)

10"
WATER INLET

10"
WATER OUTLET

2438

16 DIA.
MOUNTING
HOLES (TYP.)

POWER ELEMENTS
FOR SYS. #1 & #3

POWER ELEMENTS
FOR SYS. #2

CONTROL PANEL

762

2235

ORIGIN

806

1453

1229

1400

WER P

ANEL

TOP VIEW

LD03969

LD03970

CENTER OF GRAVITY (Alum.)

YCAS

0250

3597

1057

860

0270

3572

1060

855

CENTER OF GRAVITY (Copper)

YCAS

0250

3693

1063

1030

0270

3670

1066

1023

DIMENSIONS - YCAS 250 - 270 (SI)

Содержание MILLENNIUM YCAS 250

Страница 1: ...00 MILLENNIUM YCAS AIR COOLED LIQUID CHILLER YCAS 250 270 300 330 3 COMPRESSOR YCAS 360 400 440 4 COMPRESSOR STYLE F 60 Hz 00258VIP YCAS 3 SYSTEM EPROMs Microprocessor Board 031 01798 002 YCAS 4 SYSTE...

Страница 2: ...3 Single Point Power Connection with Individual Circuit Protection 23 Single Point Power Connection with Combined Circuit Protection 23 Single Point Power Connection without Circuit Protection 23 Cont...

Страница 3: ...cross the Line Start 57 Wiring Diagrams Across the Line Start and Wye Delta Start YCAS0250 YCAS0330 58 Standard 3 Compressor Power Supplies Wye Delta Start 59 Wiring Diagram Across the Line Start 60 S...

Страница 4: ...11 Microprocessor Board Layout 144 1 12 Logic Section Layout 145 1 13 Anti Recycle Timer 146 1 14 Anti Coincidence Timer 146 1 15 Evaporator Pump Control 146 1 16 Compressor Heater Control 146 1 17 Ev...

Страница 5: ...y 173 7 3 Set Schedule Holiday Key 174 7 4 Manual Override Key 175 8 PROGRAM KEY 176 8 1 General 176 8 2 Program Key User Programmable Values 176 8 3 Programming Default Values 180 8 4 3 Compressor Co...

Страница 6: ...hat the failure has occurred within the warranty period and that the unit has been operated within the designed parameters specified All warranty claims must specify the unit model serial number order...

Страница 7: ...is intended for cooling water or glycol solu tions and is not suitable for purposes other than those specified in these instructions Any use of the equipment other than its intended use or operation...

Страница 8: ...Use of gloves and safety glasses are however recommended when working on the unit The build up of refrigerant vapor from a leak for ex ample does pose a risk of asphyxiation in confined or enclosed s...

Страница 9: ...hat R22 does not represent a carcinogenic hazard to humans Occupational Recommended limit 1000 ppm v v 8 hr TWA 1250 ppm v v 12 hr TWA Exposure Limits Stability Unstable Conditions to Avoid Use in pre...

Страница 10: ...highly recommended Section 4 PHYSICAL DATA Appearance Clear liquid gray to yellow or light brown tint Boiling Point 650 F Vapor Pressure 0 01 mmHg 20 C Specific Gravity water 1 0 94 0 97 Volatiles Pe...

Страница 11: ...atory Protection Use in well ventilated area Ventilation Local exhaust Protective Gloves Strongly recommended especially for prolonged exposure Eye Face Protection Goggles Firefighters should use NIOS...

Страница 12: ...5 salt spray conditions shows breakdown of less than 1 8 either side of a scribed line equiva lent to ASTM D1654 rating of 6 All exposed power wiring is be routed through liquid tight non metallic con...

Страница 13: ...eparator The pres surized oil is then cooled in the condenser coils and piped back to the compressor for lubrication The com pressor design working pressure is 450 PSIG 31 bar Each chiller receives a...

Страница 14: ...ntrolled by the econo mizer solenoid valve This valve is controlled by the microprocessor The valve will remain off for the first 3 minutes of compressor operation After 3 minutes of operation the eco...

Страница 15: ...The power and control sections have separate hinged latched and gasket sealed doors equipped with wind struts Each power compartment contains Compressor and fan starting contactors fan motor ex ternal...

Страница 16: ...rrent under current and phase rotation The module mounted in the power panel utilizes a 7 segment display which provides op erating status and fault diagnostic information The 7 segment display will d...

Страница 17: ...dip switch change is made power must be cycled off and on to the module to reprogram the module to the new valve Thermal Overload Three PTC positive temperature coefficient ther mistors in the motor...

Страница 18: ...0 0 1 0 0 0 73 0 1 0 0 1 0 0 1 74 0 1 0 0 1 0 1 0 75 0 1 0 0 1 0 1 1 76 0 1 0 0 1 1 0 0 77 0 1 0 0 1 1 0 1 78 0 1 0 0 1 1 1 0 79 0 1 0 0 1 1 1 1 80 0 1 0 1 0 0 0 0 81 0 1 0 1 0 0 0 1 82 0 1 0 1 0 0 1...

Страница 19: ...0 0 1 114 0 1 1 1 0 0 1 0 115 0 1 1 1 0 0 1 1 116 0 1 1 1 0 1 0 0 117 0 1 1 1 0 1 0 1 118 0 1 1 1 0 1 1 0 119 0 1 1 1 0 1 1 1 120 0 1 1 1 1 0 0 0 121 0 1 1 1 1 0 0 1 122 0 1 1 1 1 0 1 0 123 0 1 1 1 1...

Страница 20: ...1 1 0 0 157 1 0 0 1 1 1 0 1 158 1 0 0 1 1 1 1 0 159 1 0 0 1 1 1 1 1 160 1 0 1 0 0 0 0 0 161 1 0 1 0 0 0 0 1 162 1 0 1 0 0 0 1 0 163 1 0 1 0 0 0 1 1 164 1 0 1 0 0 1 0 0 165 1 0 1 0 0 1 0 1 166 1 0 1 0...

Страница 21: ...1 0 0 197 1 1 0 0 0 1 0 1 198 1 1 0 0 0 1 1 0 199 1 1 0 0 0 1 1 1 200 1 1 0 0 1 0 0 0 201 1 1 0 0 1 0 0 1 202 1 1 0 0 1 0 1 0 203 1 1 0 0 1 0 1 1 204 1 1 0 0 1 1 0 0 205 1 1 0 0 1 1 0 1 206 1 1 0 0 1...

Страница 22: ...y Out put Board 1 Terminal 8 SYS 1 or Relay Output Board 2 Terminal 6 SYS 2 The 1TR SYS 1 or 2TR SYS 2 contacts open de energizing 1S SYS 1 or 2S SYS 2 1M SYS 1 or 3M SYS 2 remain energizes through in...

Страница 23: ...in areas where units may be exposed to acid rain Phenolic coated condenser coils Completed con denser coil assemblies are covered with a cured Phe Entry Used to confirm Set Point changes cancel in put...

Страница 24: ...art Factory Mounted UNIT ENCLOSURES Wire enclosure Heavy gauge welded wire mesh guards mounted on the exterior of the unit Factory or field mounted Louvered panels and wired guards Louvered pan els mo...

Страница 25: ...Ext Handles SP Supply TB SP NF Disconnect Switch SP Circuit Breaker w Lockable Handle Control Circuit Power Terminal Strip No Option No Option BAS EMS Temp Reset Offset BAS EMS Current Reset Offset BA...

Страница 26: ...SER FIELD CABINET FIELD NOTES 1 Q DENOTES SPECIAL S Q 2 DENOTES STANDARD 3 X w in OPTIONS FIELD DENOTES NO OPTION SELECTED Wire Full Unit Enc Panels factory Wire Full Unit Enc Panels field Wire Louver...

Страница 27: ...person on site It is recommended that the unit is periodically in spected during storage 3 INSPECTION Remove any transit packing and inspect the unit to en sure that all components have been delivere...

Страница 28: ...28 YORK INTERNATIONAL UNIT RIGGING Handling and Storage 88 2250 mm CORRECT WRONG LD03514 FIG 3 UNIT RIGGING CORRECT WRONG LD03515 FIG 4 LIFTING LUGS...

Страница 29: ...s of suitable strength The channels should be spaced at the same centres as the vibration mounting holes in the unit base frame and must be at least 4 3 4 120 mm wide at the contact points This will a...

Страница 30: ...s not require shipping braces PIPEWORK CONNECTION General Requirements The following piping recommendations are intended to ensure satisfactory operation of the unit s Failure to follow these recommen...

Страница 31: ...lated when the ambient temperature approaches freez ing point Insulation should also be installed around the cooler nozzles Heater tape of 21 watts per meter under the insulation is recommended suppli...

Страница 32: ...re than 3 feet 1 meter of light con struction ductwork should be supported by the unit Where cross winds may occur any ductwork must be supported to prevent side loading on the unit If the ducts from...

Страница 33: ...STANDARD UNITS WITH MULTI POINT POWER SUPPLY WIRING Standard units require two 3 phase separately fused 3 wire supplies plus a ground per refrigerant system One supply to be connected to each of the p...

Страница 34: ...t Terminals 29 and 30 Figs 11 and 12 pages 39 and 40 close to indicate that a system is running Alarm Contacts Each system has a voltage free change over contact which will operate to signal an alarm...

Страница 35: ...35 YORK INTERNATIONAL FORM 201 18 NM3 POWER AND CONTROL PANEL LAYOUTS WYE DELTA TYPICAL FIG 8 POWER PANEL SECTION 00263VIP 4...

Страница 36: ...36 YORK INTERNATIONAL FIG 8 POWER PANEL SECTION CONT D OPTIONS PANEL LAYOUT TYPICAL 00246VIP Installation...

Страница 37: ...YOUT LOGIC SECTION LAYOUT 00247VIP ITEM 1 2 3 4 5 6 7 8 9 10 DESCRIPTION Microprocessor Board Back of Keypad Back of Display I O Expansion Board 1 Power Supply Board Relay Output Board 1 Relay Output...

Страница 38: ...38 YORK INTERNATIONAL FIG 10 LOGIC SECTION LAYOUT WITH CONTROL PANEL LAYOUT LOGIC SECTION LAYOUT WITH CONTROL PANEL LAYOUT 00248VIP Installation...

Страница 39: ...39 YORK INTERNATIONAL FORM 201 18 NM3 FIG 11 CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS LD03502 00249VIP CONNECTION POINTS FOR EMERGENCY STOPS TERMINALS 13 19 TERMINALS 23 38 4...

Страница 40: ...TOMER CONNECTIONS CUSTOMER CONNECTIONS Installation TRANSFORMERS POWER SUPPLY BOARD CIRCUIT BREAKERS RELAY BOARDS I O EXPANSION BOARD CUSTOMER CONNECTIONS Flow Switch Alarm Run etc MICROPROCESSOR CIRC...

Страница 41: ...mer is mounted in the op tions panel It is important to check that the correct pri mary tapping has been used With the supply to the unit isolated remove the lid to the transformer box COMMISSIONING P...

Страница 42: ...er outlet and wired into the control panel correctly using shielded cable There should be a straight run of at least 5 pipe diam eters on either side of the flow switch The flow switch should be conne...

Страница 43: ...and be replaced by a solid column of liquid Fan Rotation As discharge pressure rises the condenser fans operate in stages to control the pressure Verify that the fan operation is correct for the type...

Страница 44: ...all operations are fully automatic After an initial period at minimum capacity on the lead compressor the control system will adjust the unit load depending on the chilled liquid tempera ture and rat...

Страница 45: ...n using glycol solutions Special care must be taken not to exceed the maximum allowed A Correction Factor B Mean Temperature through Cooler C Concentration W W COOLER WATER PRESSURE DROP ENGLISH UNITS...

Страница 46: ...GPM3 CONDENSER F YCAS MIN 1 MAX 2 MIN MAX MIN MAX 0250EC 40 55 225 800 0 125 0270EC 40 55 225 800 0 125 0300EC 40 55 255 800 0 125 0330EC 40 55 255 800 0 125 0360EC 40 55 300 1060 0 125 0400EC 40 55 3...

Страница 47: ...Ckt 1 Ckt 2 4 4 4 4 5 5 5 5 4 4 5 5 5 5 Number Ckt 3 Ckt 4 4 4 4 4 4 4 4 4 4 4 Standard Fans Fan Motor HP kW 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 Fan Motor RPM 1140 1140 1140 1140 1140 1140 1140...

Страница 48: ...enser Fans Number Ckt 1 Ckt 2 4 4 4 4 5 5 5 5 4 4 5 5 5 5 Number Ckt 3 Ckt 4 4 4 4 4 4 4 4 4 4 4 Standard Fans Fan Motor HP kW 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 Fan Motor speed rev sec 19 0 19...

Страница 49: ...15 CONDENSER F SLOW SPEED FANS 0 115 FAN STANDARD FANS 20 AVAILABLE STATIC HIGH PRESS FANS OPTION 1 85 PRESSURE Pa HIGH PRESS FANS OPTION 2 150 SLOW SPEED FANS 10 ELECTRICAL THREE PHASE 60 Hz V 200 23...

Страница 50: ...4 8 23 0 0250EC 460 320 400 400 400 1 2 0 2 4 0 2 3 0 250 128 280 893 128 280 893 8 4 0 19 0 575 257 400 300 350 1 2 0 2 4 0 2 3 0 250 103 224 714 103 224 714 8 3 1 15 2 380 477 600 600 700 2 2 300 2...

Страница 51: ...300 155 343 1 093 4 4 8 23 0 0270EC 460 176 175 225 300 2 4 0 4 300 128 280 893 4 4 0 19 0 575 141 150 175 225 2 4 0 4 300 103 224 714 4 3 1 15 2 380 250 250 300 400 2 300 6 350 181 343 1 093 5 4 8 23...

Страница 52: ...PROVIDED LUGS WIRE RANGE7 MODEL YCAS VOLTS MCA1 MIN NF OVER CURRENT PROTECTION13 TERMINAL BLOCK NF DISC SWITCH DISC SW2 9 MIN 3 5 MAX 4 6 LUGS WIRE RANGE LUGS WIRE RANGE 380 561 600 600 700 2 2 0 500...

Страница 53: ...199 343 1 093 9 4 8 23 0 149 280 893 164 280 893 9 4 0 19 0 119 224 714 131 224 714 9 3 1 15 2 197 343 1 093 227 343 1 093 9 4 8 23 0 163 280 893 184 280 893 9 4 0 19 0 130 224 714 147 224 714 9 3 1 1...

Страница 54: ...y and job requirements using N E C wire sizing information The above recommendations are based on the National Electric Code and using copper connectors only Field wiring must also comply with local c...

Страница 55: ...M kW AND AMPERAGE VALUES FOR DXST COMPRESSORS COMPRESSOR MODEL AND VOLTAGE CODE DXS45LA MOTOR CODE A DXS36LA MOTOR CODE A DXS24LA MOTOR CODE TBD B5N B5E B6N B6E A5N A5E A6N A6E C5N C5E C6N C6E VOLTAGE...

Страница 56: ...56 YORK INTERNATIONAL FIG 15 ELEMENTARY DIAGRAM ACROSS THE LINE START ELEMENTARY DIAGRAM LD04172A Technical Data...

Страница 57: ...57 YORK INTERNATIONAL FORM 201 18 NM3 ELEMENTARY DIAGRAM FIG 16 ELEMENTARY DIAGRAM ACROSS THE LINE START LD04172B 7...

Страница 58: ...refer to cautions on page 63A 5 To stop unit Emergency Stop with contacts other than those shown install the stop contact between 5 and 1 If a stop device is not installed a jumper must be connected...

Страница 59: ...RTAIN MODEL CHILLERS NOT PRESENT ON 3 COMPRESSOR CHILLERS PRESENT ON CERTAIN MODEL CHILLERS NOT PRESENT ON 3 COMPRESSOR CHILLERS FIG 18 STANDARD 3 COMPRESSOR POWER SUPPLIES WYE DELTA START STANDARD 3...

Страница 60: ...TAIN MODEL CHILLERS NOT PRESENT ON 3 COMPRESSOR CHILLERS PRESENT ON CERTAIN MODEL CHILLERS NOT PRESENT ON 3 COMPRESSOR CHILLERS WIRING DIAGRAM ACROSS THE LINE START LD04173 FIG 19 ELEMENTARY DIAGRAM A...

Страница 61: ...61 YORK INTERNATIONAL FORM 201 18 NM3 This page intentionally left blank 7...

Страница 62: ...62 YORK INTERNATIONAL STANDARD COMPRESSOR POWER SUPPLIES ACROSS THE LINE START WYE DELTA START FIG 20 ELEMENTARY DIAGRAM LD04175 Technical Data...

Страница 63: ...Smart Panel enclosure or connected to power supplies in the control panel Additionally control wiring not connected to the Smart Panel should not be run through the cabinet This could result in nuisa...

Страница 64: ...FORM 201 18 NM3 YORK INTERNATIONAL YORK INTERNATIONAL 63B 64 LD04178 CONNECTION DIAGRAM FIG 21 CONNECTION DIAGRAM Technical Data...

Страница 65: ...65 YORK INTERNATIONAL FORM 201 18 NM3 LD04179 7...

Страница 66: ...66 YORK INTERNATIONAL Technical Data CONNECTION DIAGRAM FIG 21 CONNECTION DIAGRAM LD04180 Box Information continued from page 67...

Страница 67: ...IONAL YORK INTERNATIONAL 67 67A FIG 22 CONNECTION DIAGRAM Box Information continued from page 66 FIG 41 42 LEGEND PAGES 90 91 LD03281 FIG 23 CONNECTION DIAGRAM CONT D LD04181 CONNECTION DIAGRAM ELECTR...

Страница 68: ...ION DIAGRAM ELECTRICAL BOX YCAS0250 330 YCAS0693 0953 STYLE F STANDARD REMOTE EVAP UNITS FIG 24 CONNECTION DIAGRAM LD04182 FIG 25 CONNECTION DIAGRAM CONNECTION DIAGRAM ELECTRICAL BOX YCAS0250 330 YCAS...

Страница 69: ...69 YORK INTERNATIONAL FORM 201 18 NM3 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 26 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT LD04177 7...

Страница 70: ...70 YORK INTERNATIONAL Technical Data ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 27 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT LD04373...

Страница 71: ...NM3 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 28 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT DETAIL C SEE INSTALLATION OPERATION AND MAINTENANCE MANUAL FOR JUMPER OF CONDENSER...

Страница 72: ...72 YORK INTERNATIONAL Technical Data CONNECTION DIAGRAM SYSTEM WIRING STANDARD REMOTE EVAP UNITS FIG 29 CONNECTION DIAGRAM SYSTEM WIRING LD04184...

Страница 73: ...73 YORK INTERNATIONAL FORM 201 18 NM3 LD04185 CONNECTION DIAGRAM SYSTEM WIRING STANDARD REMOTE EVAP UNITS FIG 30 CONNECTION DIAGRAM SYSTEM WIRING 7...

Страница 74: ...74 YORK INTERNATIONAL Technical Data FIG 31 ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM DXST DIRECT DRIVE POWER CIRCUIT LD04260A...

Страница 75: ...75 YORK INTERNATIONAL FORM 201 18 NM3 ELEMENTARY DIAGRAM DXST DIRECT DRIVE POWER CIRCUIT LD04260B FIG 32 ELEMENTARY DIAGRAM 7...

Страница 76: ...efer to cautions on the page 85A 5 To stop unit Emergency Stop with contacts other than those shown install the stop contact between 5 and 1 If a stop device is not installed a jumper must be connecte...

Страница 77: ...77 YORK INTERNATIONAL FORM 201 18 NM3 FIG 34 STANDARD POWER SUPPLY WYE DELTA START STANDARD 4 COMPRESSOR POWER SUPPLIES WYE DELTA START LD04262 7...

Страница 78: ...78 YORK INTERNATIONAL FIG 35 STANDARD POWER SUPPLY ACROSS THE LINE START STANDARD COMPRESSOR POWER SUPPLIES ACROSS THE LINE START YCAS0360 YCAS0440 LD04261 Technical Data...

Страница 79: ...79 YORK INTERNATIONAL FORM 201 18 NM3 This page intentionally left blank 7...

Страница 80: ...TERNATIONAL Technical Data STANDARD COMPRESSOR POWER SUPPLIES YCAS0360 YCAS0440 ACROSS THE LINE START WYE DELTA START FIG 36 STANDARD COMPRESSOR POWER SUPPLIES ACROSS THE LINE START AND WYE DELTA STAR...

Страница 81: ...FORM 201 18 NM3 FORM 201 18 NM3 YORK INTERNATIONAL YORK INTERNATIONAL 81 81A SHLD G ISN RS485 PORT LD04258 FIG 36 STANDARD COMPRESSOR POWER SUPPLIES ACROSS THE LINE AND WYE DELTA START CONT D 7...

Страница 82: ...FORM 201 18 NM3 YORK INTERNATIONAL YORK INTERNATIONAL 81B 82 Technical Data LD04265 This page intentionally left blank This page intentionally left blank...

Страница 83: ...83 YORK INTERNATIONAL FORM 201 18 NM3 This page intentionally left blank 7...

Страница 84: ...84 YORK INTERNATIONAL Technical Data FIG 37 CONNECTION DIAGRAM WYE DELTA START CONNECTION DIAGRAM SYSTEMS 1 2 LD04265...

Страница 85: ...er supplies in the control panel Additionally control wiring not connected to the Smart Panel should not be run through the cabinet This could result in nui sance faults CAUTION Any inductive devices...

Страница 86: ...FORM 201 18 NM3 YORK INTERNATIONAL YORK INTERNATIONAL 85B 86 CONNECTION DIAGRAM SYSTEMS 3 4 FIG 38 CONNECTION DIAGRAM Technical Data LD04267...

Страница 87: ...87 YORK INTERNATIONAL FORM 201 18 NM3 LD04268 7...

Страница 88: ...88 YORK INTERNATIONAL Technical Data CONNECTION DIAGRAM ELECTRICAL BOX YCAS0360 0440 YCAS1063 1263 STYLE F STANDARD REMOTE EVAP UNITS FIG 39 CONNECTION DIAGRAM SYSTEM WIRING LD04264...

Страница 89: ...89 YORK INTERNATIONAL FORM 201 18 NM3 CONNECTION DIAGRAM ELECTRICAL BOX YCAS0360 0440 YCAS1063 1263 STYLE F STANDARD REMOTE EVAP UNITS FIG 40 CONNECTION DIAGRAM LD04272 7...

Страница 90: ...90 YORK INTERNATIONAL Technical Data FIG 41 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT LD04177...

Страница 91: ...91 YORK INTERNATIONAL FORM 201 18 NM3 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 42 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT LD04695 7...

Страница 92: ...Data DETAIL C SEE INSTALLATION OPERATION AND MAINTENANCE MANUAL FOR NUMBER OF CONDENSER FANS FOR CHILLER MODELS ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 43 ELEMENTARY DIAGRAM DXST DIRE...

Страница 93: ...93 YORK INTERNATIONAL FORM 201 18 NM3 CONNECTION DIAGRAM SYSTEM WIRING STANDARD REMOTE EVAP UNITS FIG 44 CONNECTION DIAGRAM SYSTEM WIRING LD04269 7...

Страница 94: ...94 YORK INTERNATIONAL FIG 45 CONNECTION DIAGRAM SYSTEM WIRING CONNECTION DIAGRAM SYSTEM WIRING STANDARD REMOTE EVAP UNITS LD04270 Technical Data...

Страница 95: ...95 YORK INTERNATIONAL FORM 201 18 NM3 COMPRESSOR TERMINAL BOX SYSTEMS 1 THROUGH 4 LD04271 FIG 46 COMPRESSOR TERMINAL BOX SYSTEMS 1 4 7...

Страница 96: ...ll optimize operation without nuisance high pressure safety cutout however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no...

Страница 97: ...16 10 WATER OUTLET 10 WATER INLET SIDE VIEW 96 CENTER OF GRAVITY Alum YCAS X Y Z 0250 141 6 41 6 33 8 0270 140 6 41 7 33 7 CENTER OF GRAVITY Copper YCAS X Y Z 0250 145 4 41 9 40 5 0270 144 5 42 0 40...

Страница 98: ...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 end to wall 1 2m top n...

Страница 99: ...ER OUTLET 2438 16 DIA MOUNTING HOLES TYP A B C D E F G H I J K L POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS FOR SYS 2 CONTROL PANEL 762 762 2235 ORIGIN 806 1453 1453 1453 1229 1400 32 32 POWER PANEL TO...

Страница 100: ...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 end to wall 4 top no obstructions a...

Страница 101: ...7 16 390 1 4 63 9 16 96 SIDE VIEW A D F E C G B H J L K I 1 1 4 1 1 4 95 3 16 56 5 16 57 3 16 57 3 16 57 3 16 31 3 4 ORIGIN Y X 5 8 DIA MOUNTING HOLES TYP 88 30 30 POWER ELEMENTS FOR SYS 1 3 POWER ELE...

Страница 102: ...nit controls will optimize operation without nuisance high pres sure safety cutout however the system designer must consider potential performance degradation Access to the unit control center assumes...

Страница 103: ...EW 2438 A F B D C E G L H J I K 16 DIA MOUNTING HOLES TYP POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS FOR SYS 2 CONTROL PANEL 762 762 2235 POWER PANEL 806 1453 1453 1453 1431 2417 32 32 ORIGIN Y X TOP V...

Страница 104: ...ess 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 end to wall 4 top no obstructions allow...

Страница 105: ...T 104 SIDE VIEW 10 WATER OUTLET 96 SYS 1 2 SYS 3 4 A H D B C E F G I P L J K M N O POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS FOR SYS 2 4 CONTROL PANEL 5 8 DIA MOUNTING HOLES TYP 31 3 4 57 3 16 57 3 16...

Страница 106: ...radation 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 end to wall 1 2m top no o...

Страница 107: ...TH SIDES 4 57 DIA RIGGING HOLES EACH SIDE A I B J C K D L E M F N G O H P 762 762 2235 ORIGIN 806 Y X 1453 1453 1453 923 1422 1422 1422 32 32 16 DIA MOUNTING HOLES TYP POWER ELEMENTS FOR SYS 1 3 POWER...

Страница 108: ...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 end to wall 4 top no obstructions a...

Страница 109: ...IDE SYS 1 2 SYS 3 4 SIDE VIEW A I B J C K D L E M F N G O H P 2235 762 762 806 1453 1453 1453 2142 1422 1422 1422 32 32 Y X ORIGIN TOP VIEW POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS FOR SYS 2 4 CONTRO...

Страница 110: ...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 end to wall 1 2m top...

Страница 111: ...8 A I B J C K D L E M F N G O H P 2235 762 762 806 1453 1453 1453 2142 1422 1422 1422 32 32 Y X ORIGIN TOP VIEW POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS FOR SYS 2 4 CONTROL PANEL 16 DIA MOUNTING HOLE...

Страница 112: ...ONAL CLEARANCES Notes No obstructions allowed above the unit Only one adjacent wall may be higher than the unit Adjacent units should be 10 feet 3 meters apart LD04841 FIG 55 CLEARANCES 1 3 m 2 m 2 m...

Страница 113: ...064 1 001 2 098 1 727 1 224 1 323 1 866 1 792 1 064 1 001 2 098 1 727 1 224 24 191 0400 1 380 1 882 1 851 1 285 1 048 2 185 1 813 1 338 1 380 1 882 1 851 1 285 1 048 2 185 1 813 1 338 25 564 0440 1 43...

Страница 114: ...74 18 7 White CP 2 35 3000 1360 8 0 70 17 7 Gold FIG 56 CP 2 XX 60 HERTZ ALUMINUM FINS 1 ISOLATOR SELECTIONS VMC TYPE CP 2 SEE TABLE BELOW YCAS A B C D E F G H I J K L M N O P 0250 27 31 32 26 26 26...

Страница 115: ...REEN BLACK RED BLACK 0300 BLACK RED RED BLACK BLACK BLACK BLACK RED GREEN BLACK GREEN BLACK 0330 BLACK RED RED BLACK BLACK BLACK BLACK RED GREEN BLACK GREEN BLACK 0360 RED RED RED BLACK BLACK RED RED...

Страница 116: ...532 1 553 1 553 1 531 1 531 1 53 1 532 1 553 2 531 1 53 1 553 1 530 0270 1 532 1 553 1 553 1 531 1 531 1 53 1 532 1 553 2 531 1 53 1 553 1 530 0300 1 532 2 530 1 553 2 521 1 532 1 531 1 532 1 553 2 53...

Страница 117: ...901 1 462 26 722 0400 1 504 2 060 2 029 1 463 1 155 2 381 2 009 1 605 1 504 2 060 2 029 1 463 1 155 2 381 2 009 1 605 28 411 0440 1 559 2 116 2 085 1 519 1 158 2 386 2 014 1 611 1 559 2 116 2 085 1 5...

Страница 118: ...7 9 0 83 21 0 Gray CP 2 32 2600 1179 3 0 74 18 7 White CP 2 35 3000 1360 8 0 70 17 7 Gold 60 HERTZ COPPER FINS 1 ISOLATOR SELECTIONS VMC TYPE CP 2 SEE TABLE BELOW YCAS A B C D E F G H I J K L M N O P...

Страница 119: ...K 0360 RED RED RED BLACK BLACK GREEN RED RED RED RED RED BLACK BLACK GREEN RED RED 0400 RED RED RED RED BLACK GREEN RED RED RED RED RED RED BLACK GREEN RED RED 0440 RED RED RED RED BLACK GREEN RED RED...

Страница 120: ...1 551 1 553 1 553 1 532 2 520 2 530 1 553 2 53 1 551 1 553 1 553 1 532 2 520 2 530 1 553 2 53 0400 1 552 1 553 1 553 2 53 2 521 2 531 1 553 2 53 1 552 1 553 1 553 2 53 2 521 2 531 1 553 2 53 0440 1 55...

Страница 121: ...height of the isolator To use the isolator as blocking for the equipment insert a 1 4 shim between the upper load plate and vertical uprights Lower the equipment on the blocking or shimmed isolators 5...

Страница 122: ...the cooler shell Low pressure vapor enters the compressor where pres sure and superheat are increased High pressure vapor is passed through the oil separator where compressor oil is removed and recirc...

Страница 123: ...123 YORK INTERNATIONAL FORM 201 18 NM3 PROCESS AND INSTRUMENTATION DIAGRAM LD03486 FIG 61 PROCESS AND INSTRUMENTATION DIAGRAM Added to some models 7...

Страница 124: ...L PRESSURE BOT OIL TEMPERATURE BSP SUCTION PRESSURE CCCV COMPRESSOR CAPACITY CONTROL VALVE ECH CRANK CASE HEATER EEH EVAPORATOR HEATER SHPI HIGH PRESSURE CUT OUT STS SUCTION TEMPERATURE SENSOR RFTS RE...

Страница 125: ...BSP SUCTION PRESSURE CCCV COMPRESSOR CAPACITY CONTROL VALVE ECH CRANK CASE HEATER EEH EVAPORATOR HEATER SHPI HIGH PRESSURE CUT OUT STS SUCTION TEMPERATURE SENSOR RFTS REFRIGERANT FEED TEMPERATURE SEN...

Страница 126: ...ECONOMIZER GAS IN DISCHARGE CASE OIL INLET FROM CONDENSER CODING COIL DISCHARGE GAS OUT OIL FILTER BLEED EVACUATION POINT OIL FILTER COVER PLATE CAPACITY CONTROL SOLENOID CAPACITY CONTROL 3 WAY VALVE...

Страница 127: ...127 YORK INTERNATIONAL FORM 201 18 NM3 COMPRESSOR COMPONENTS CONT D FIG 65 COMPRESSOR COMPONENTS LD03669 7...

Страница 128: ...128 YORK INTERNATIONAL COMPRESSOR COMPONENTS CONT D FIG 66 COMPRESSOR COMPONENTS LD03670 Technical Data...

Страница 129: ...129 YORK INTERNATIONAL FORM 201 18 NM3 COMPRESSOR COMPONENTS CONT D FIG 67 COMPRESSOR COMPONENTS LD03671 7...

Страница 130: ...SSOR COMPONENTS CONT D FIG 68 COMPRESSOR COMPONENTS O RING MOTOR ROTOR MALE ROTOR LOCKING KEY MALE ROTOR FEMALE ROTOR O RING RELIEF VALVE ECONOMIZER PLUG SUPPORT RINGS LD03672 SLIDE VALVE RETURN SPRIN...

Страница 131: ...ST BEARING 22 BEARING CLAMP NUT 23 BEARING SPACER SLEEVE 24 BEARING PRELOAD SPRING 25 O RING 26 BEARING BORE PLUG 27 DISCHARGE COVER 28 BEARING BORE PLUG 29 BEARING PRELOAD SPRING 30 BEARING SPACER SL...

Страница 132: ...se power requirements of the compressor See chiller nameplate Pages 25 26 q 12 Assure 115VAC Control Power has 30A mini mum capacity See Fig 12 page 40 q 13 Be certain all water temp sensors are inser...

Страница 133: ...anel Checks Power ON Both System Switches OFF q 1 Apply 3 phase power and verify its value See Fig 8 page 35 q 2 Apply 115VAC and verify its value on the ter minal block in the lower left of the Power...

Страница 134: ...essure chart use entering air temperature 30 F 17 C for normal condensing temperature b The temperature of the liquid refrigerant out of the condenser should be not be more than 15 F 8 C less than the...

Страница 135: ...perheat of each system below SYS 1 SYS 2 SYS 3 SYS 4 Suction Temp ____ ____ ____ ____ PSIG kPa Suction Press ____ ____ ____ ____ F 0 C Temp ____ ____ ____ ____ F 0 C Superheat ____ ____ ____ ____ F 0...

Страница 136: ...s well as fault history data from recent safety shut downs ON OFF ROCKER SWITCH This switch shuts down the entire chiller when placed in the OFF position The switch must be ON for the chiller to opera...

Страница 137: ...on the Mi croprocessor Board s External interface is available for control of the chiller via a YORK ISN System or YORK Remote Control Center In addition EMS BAS System connections are provided for r...

Страница 138: ...s of the time involved The battery is a 10 year lithium type but life will de pend upon whether the Real Time Clock s internal clock circuit is energized With the clock OFF a rated life of approximate...

Страница 139: ...s One Relay Output Board per system operates the mo tor contactors starters solenoid valves and heaters which control system operation The relay boards are located in the logic section of the control...

Страница 140: ...stem s motor specifications Internally the on board 3 C T s and internal circuitry allow the Motor Protector Module to protect against high motor current as programmed on the Motor Pro tector dip swit...

Страница 141: ...141 YORK INTERNATIONAL FORM 201 18 NM3 FIG 70 MOTOR PROTECTOR SIDE VIEW 29119A 29121A TOP VIEW TOP VIEW SIDE VIEW 29121A 29120A DISPLAY SWITCH PUSHED TO LEFT INDICATES ON ON 8...

Страница 142: ...ion of the control panel The duration of the contact clo sure will determine the amount of adjustment Gener ally this input is used for purposes of demand limit and operates as follows Closing the inp...

Страница 143: ...offset would equal Reset Temp 4 sec 1 sec X 40 F 10 sec Reset Temp 120 Fsec 10 sec 12 F 6 C To determine the new setpoint add the reset to the setpoint programmed into memory In the example above if t...

Страница 144: ...Jump Contact Real Time Clock and Battery Backup I C Microprocessor I C label shows version NOTE Dimple is positioned at top edge Dip Switch Set 8 switches System Switches S2 System 1 S3 System 2 S4 Sy...

Страница 145: ...MODEL LOGIC SECTION FIG 72 LOGIC SECTION LAYOUT ITEM 1 2 3 4 5 6 7 8 DESCRIPTION Microprocessor Board Back of Keypad I O Expansion Board 2 I O Expansion Board 1 Power Supply Board Relay Output Board...

Страница 146: ...5 minutes After 5 minutes has elapsed the heater will shut off if the discharge temperature rises above 150 F 66 C and will turn on when the discharge tem perature is equal to or less than 150 F 66 C...

Страница 147: ...ction 8 page 179 When AUTO Lead Lag is utilized the micro attempts to balance run time between the two compressors A number of conditions can occur which will prevent this from happening Factors deter...

Страница 148: ...essages 2 6 System Fault Status Messages These messages are described in detail below with ex amples of each display In each example is used as applicable to represent the system number where mes sage...

Страница 149: ...indicated system will not run System Loading Requirement This message indicates that chilled liquid temperature is below the point where the microprocessor will bring the lead system on and or that th...

Страница 150: ...age 158 The message indicates that saturated suction tem perature on a system has dropped to 29 F 2 C and that any further temperature reduction could cause some icing of the evaporator tubes Saturate...

Страница 151: ...sing the shutdown clears Restart will occur only after anti re cycle timers are satisfied and cooling demand requires additional cooling A reset hysteresis is built into each safety so repetitive faul...

Страница 152: ...22 models as long as the compressor continues to run the customer are connected in series with the flow switch es YCAS chillers have a single flow switch wired to the control panel If the flow switch...

Страница 153: ...ked up by the High Oil Differential Safety since no flow will cause the differential through the oil piping to drop to zero EXAMPLE For ambients above 50 F 10 C the Low Oil Differ ential Safety is act...

Страница 154: ...ut out initially programmed and must be greater than C O Programmed C O X Time 1 33 3 This transient cutout value increases with time until after 30 seconds it equals the programmed cutout value If th...

Страница 155: ...removing 115VAC control power from the micro panel after the motor sensors have sufficient time to cool Details relating to operation of the Motor Protec tion Module can be found on page 16 The Exter...

Страница 156: ...ta about the operation of the chiller This is particularly useful during commissioning moni toring the operation of the chiller diagnosing potential future problems and service troubleshooting When a...

Страница 157: ...nd compressor slide valve position Examples of these displays are as follows where is the appropriate system number The Cooler Inlet Temp display will only appear if the chiller is selected for R 407c...

Страница 158: ...from 20 to 70 PSIG 1 to 5 bar for R 22 models and 5 to 70 PSIG 0 3 to 5 bar for R 407c models This display shows the average motor current in amps and average compressor motor current as a percentage...

Страница 159: ...for models us ing refrigerant R 407C Incorrect selection of this switch may cause serious damage to the chiller Closed The R 22 Mode MUST be selected for models using refrigerant type R 22 Incorrect s...

Страница 160: ...FUNCTION KEY Pressing the Function key only displays the same mes sage as pressing the Status key Pressing the Function key followed by another display key will scroll through all the data available u...

Страница 161: ...onal printer is connected remotely as hard copy printouts The Operating Data Oper Data key provides a real time list of system operating data and programmed set tings The History key provides a compre...

Страница 162: ...re and the pro grammed Target temperature The lower message gives the rate of change of the chilled liquid leaving tem perature in degrees per minute A minus sign indi cates falling temperature No sig...

Страница 163: ...IME 0 0 0 0 D H M S MOTOR CURRENT 0 AMPS 0 FLA SUCTION PRESSURE 125 PSIG DISCHARGE PRESSURE 131 PSIG OIL PRESSURE 130 PSIG SUCTION TEMPERATURE 68 4 DEGF DISCHARGE TEMPERATURE 68 8 DEGF OIL TEMPERATURE...

Страница 164: ...ause the oldest set of data to be discarded in favor of storing the new shutdown data The Safety Shutdowns are numbered from 1 to 6 with number 1 always being the most recent If a remote printer is no...

Страница 165: ...L T 4 3 8 F S E T P O I N T 4 4 0 F R A N G E 2 0 F This message displays the programmed chilled liquid setpoint and deviation control range programmed at the time of the fault This message indicates...

Страница 166: ...the Safety Shutdown display D I S P L A Y S A F E T Y S H U T D O W N N O 1 1 T O 4 This message indicates the compressor motor current in as a percentage of Full Load Amps This message shows the syst...

Страница 167: ...IXED LIQUID TEMP 51 3 DEGF COOLING RANGE 42 0 2 0 DEGF AMBIENT AIR TEMP 74 8 DEGF LEAD SYSTEM SYS 2 EVAPORATOR PUMP ON EVAPORATOR HEATER OFF ACTIVE REMOTE CONTROL NONE SOFTWARE VERSION C ACS 09 00 SYS...

Страница 168: ...ey is also used to scroll through available data when using the Program or Set Schedule Holiday keys 5 4 CANCEL KEY When the Cancel key is pressed the cursor will always return to the first character...

Страница 169: ...tain this temperature within a programmed range The capacity is controlled by switching compressors on or off and by varying a load unload current to each com pressor slide valve to adjust the capaci...

Страница 170: ...under control within 10 minutes the micro will maintain the lead compressor fully loaded at S V Step 75 unload the first lag compressor to Step 40 and bring on the 2nd lag compressor The second lag co...

Страница 171: ...it a load signal of 10 steps between system 1 and 2 It could only load SYS 1 2 steps while loading SYS 2 8 Steps Under these circumstances the two systems will not appear to equalize loading Compresso...

Страница 172: ...in memory from a remote device This feature is typically used for demand limiting or ice storage applications Reset is accomplished by timed closure of external contacts for a defined period of time...

Страница 173: ...y mode in which the cursor will disappear and the live clock will be displayed 7 CLOCK KEYS O U T O F R A N G E T R Y A G A I N 7 1 GENERAL The microprocessor features a continuously running internal...

Страница 174: ...ach day are scrolled through by re petitively pressing the or key To reprogram any of the daily schedules key in the new Start time then if necessary change the associated AM PM by pressing the or key...

Страница 175: ...an OFF period This key avoids the need to reprogram the Daily Schedule Once activated Manual Override is only active for a period of 30 minutes and the follow ing status message will be observed M A N...

Страница 176: ...D I S C H A R G E P R E S S U R E C U T O U T 3 9 5 0 P S I G 8 PROGRAM KEY 8 1 GENERAL The Program key is used to program 12 system operat ing parameters including cutout points for safeties an tici...

Страница 177: ...rigerant suction pressure After the compressor starts and the pump down cycle is completed pump down to cutout or 30 seconds whichever comes first suction pressure is monitored as long as the compress...

Страница 178: ...est temperature of the programmed chilled liquid Control Range Section 6 This programmable value is password protected To program the Suction Pressure Cutout key in the re quired setting and press the...

Страница 179: ...ent exceeds 115 If the programmable limit is set between 100 and 105 of full load current this safety will protect against excessive current causing compressor shutdown due to extremely high ambient h...

Страница 180: ...y the ENTER key to program the refrigerant type Press the Program key again key in the numbers 6140 then press Enter As P R O G R A M M O D E D E F A U L T S E T P O I N T S 1 Y E S 0 N O 1 P R O G R...

Страница 181: ...g to fans energized SYS 1 fan contactors are controlled by Relay Output Board 1 SYS 2 by Relay Output Board 2 SYS 3 is controlled by I O Expansion Board 2 TABLE 4 CONDENSER FAN CONTROL AND FAN CONTACT...

Страница 182: ...70 F 12M 13M 132 10 S 4 1 7 9 265 PSIG 195 PSIG 75 F 9M 12M 13M 130 132 10 15 5 3 5 7 9 280 PSIG 210 PSIG 80 F 10M 11M 12M 13M 131 132 10 14 1 6 1 3 5 7 9 290 PSIG 220 PSIG 85 F 9M 10M 11M 12M 13M 13...

Страница 183: ...oard 2 FIG 76 CONDENSER FAN CONTROL LAYOUT FOR DXST COMPRESSORS UNITS LD05023 TABLE 6 CONDENSER FAN CONTROL AND FAN CONTACTOR DATA FOR DXST UNITS WITH 4 FANS SYSTEM Newer versions of EPROMs will have...

Страница 184: ...265 PSIG 195 PSIG 75 F 27M 29M 430 432 8 10 5 16 18 280 PSIG 210 PSIG 80 F 28M 29M 431 432 9 10 4 6 14 16 18 290 PSIG 220 PSIG 85 F 27M 28M 29M 430 431 432 8 9 10 Newer versions of EPROMs will have O...

Страница 185: ...section for courses of action Refrigerant Leaks Visually check the heat exchang ers compressors and pipework for damage and gas leaks Airflow obstructions Check the air cooled condenser coil intakes...

Страница 186: ...Temperature Suction Superheat Discharge Pressure Actual Discharge Temperature Oil Pressure Oil Temperature FLA Motor Oil Level example Oil Added gallons or liters Inlet Temperature Outlet Temperature...

Страница 187: ...ling1 X Check compressor and cooler heaters for operation X Sample compressor oil and replace oil if necessary1 X Leak check the chiller1 X Disconnect power source and lock out Check tightness of powe...

Страница 188: ...er Check water flow Check water pH glycol strength Check water pressure drop Check heater mats Air cooled condensers Check for airflow obstructions Brush fins Clean with mild low pH cleaner Check fins...

Страница 189: ...equests for parts should be made to your local YORK Sales and Service Center Recommended Compressor Oils The correct type of oil must be used in the unit as shown on the unit data plate and labels Sta...

Страница 190: ...ed than the programmed operating temperature and confirm that the displayed value is limit approximately correct The warning message should clear when the ambient air temperature rises above the progr...

Страница 191: ...DIFF is displayed High oil differential pressure Dirty blocked oil filter Check and change oil filter cartridge SYS LOW SUCTION Badly adjusted or faulty expansion Check superheat displayed valve Reduc...

Страница 192: ...20 62450 0 676 86 30 40285 0 976 104 40 26635 1 34 122 50 18015 1 76 140 60 12440 2 20 158 70 8760 2 63 176 80 6290 3 04 194 90 4588 3 40 212 100 3400 3 71 230 110 2556 3 96 248 120 1946 4 17 266 130...

Страница 193: ...ecifically agreed to in the con tract documents this warranty does not include the fol lowing costs and expenses 1 Labor to remove or reinstall any equipment mate rials or components 2 Shipping handli...

Страница 194: ...1 80 176 200 93 3 82 179 6 204 95 6 84 183 2 208 97 8 86 186 8 212 100 0 88 190 4 216 102 2 90 194 220 104 4 92 197 6 224 106 7 94 201 2 228 108 9 96 204 8 232 111 1 98 208 4 236 113 3 100 212 240 115...

Страница 195: ...195 YORK INTERNATIONAL FORM 201 18 NM3 This page intentionally left blank...

Страница 196: ...c Team 36USC380 P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright by York International Corporation 2000 ALL RIGHTS RESERVED Form 201 18 NM3 300 N...

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