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YORK INTERNATIONAL

FORM 201.18-NM9 (602)

TABLE OF CONTENTS (CONTD)

1.10

EMS/BAS Controls ................................................................................................177

1.11

Microprocessor Board Layout ...............................................................................179

1.12

Logic Section Layout .............................................................................................180

1.13

Anti-Recycle Timer ................................................................................................181

1.14

Anti-Coincidence Timer .........................................................................................181

1.15

Evaporator Pump Control .......................................................................................181

1.16

Compressor Heater Control....................................................................................181

1.17

Evaporator Heater Control .....................................................................................181

1.18

Pumpdown (LLSV) Control ....................................................................................181

1.19

Alarms ....................................................................................................................181

1.20

Run Status (Chiller) ................................................................................................182

1.21

Lead / Lag Compressor Selection...........................................................................182

1.22

3 or 4 Compressor Chiller Configuration ................................................................182

2. STATUS KEY: GENERAL STATUS MESSAGES AND FAULT WARNINGS ........................................183

2.1

General ....................................................................................................................183

2.2

General Status Messages .......................................................................................183

2.3

Unit Warnings ........................................................................................................184

2.4

Anticipation Control Status Messages..................................................................185

2.5

Unit Fault Status Messages ...................................................................................186

2.6

System Fault (Safety) Status Messages ................................................................187

2.7

Printout on Fault Shutdown ...................................................................................190

3. DISPLAY KEYS & OPTION SWITCHES ........................................................................................... 191

3.1

General ....................................................................................................................191

3.2

Chilled Liquid Temps Key ......................................................................................191

3.3

System # Data Keys ...............................................................................................192

3.4

Ambient Temp Key ................................................................................................192

3.5

Motor Current Key .................................................................................................192

3.6

Operating HRS / Start Counter Key .......................................................................193

3.7

Options Key & Dip Switch Settings ......................................................................193

3.8

Function Key .........................................................................................................195

4. PRINT KEYS

...............................................................................................................................196

4.1

General ....................................................................................................................196

4.2

Oper Data Key ........................................................................................................196

4.3

Operating Data Local Display Messages............................................................196

4.4

Operating Data Remote Printout .........................................................................197

4.5

History Key ............................................................................................................199

4.6

Fault History Data Local Display Messages ......................................................199

4.7

Fault History Data Remote Printout ....................................................................202

5. ENTRY KEYS

...............................................................................................................................203

5.1

General ....................................................................................................................203

5.2

Numerical Keypad ..................................................................................................203

5.3

Enter Key ...............................................................................................................203

5.4

Cancel Key .............................................................................................................203

5.5

á â

Keys .........................................................................................................

203

6. SETPOINTS KEYS & CHILLED LIQUID CONTROL ..........................................................................204

6.1

General ....................................................................................................................204

6.2

Chilled Liquid Temperature Control .......................................................................204

6.3

Local Cooling Setpoints Key .................................................................................207

6.4

Remote Cooling Setpoints Key .............................................................................

207

Содержание eco YCAS Series

Страница 1: ...AS AIR COOLED LIQUID CHILLER YCAS0218EB YCAS0418EB 60 HZ YCAS0685EB YCAS1215EB 50 HZ STYLE F 00258VIP YCAS 3 SYSTEM EPROMs Microprocessor Board 031 01798 002 YCAS 4 SYSTEM EPROMs Microprocessor Board...

Страница 2: ...ystem 16 Oil Cooling 16 Capacity Control 16 Power and Control Panels 16 Microprocessor Controls 17 Motor Current Protection 17 Motor Protector Module 17 Current Overload 18 Thermal Overload 19 Current...

Страница 3: ...r Installations 31 Indoor Installations 31 Location Clearances 31 Installation of Vibration Isolators 32 Installation 32 Shipping Braces 32 Pipework Connection 32 General Requirements 32 WaterTreatmen...

Страница 4: ...al Single Point Power Supply Connection with Individual System Circuit Breakers 50 Hz 66 Electrical Notes 50 Hz 69 Compressor Data 69 Fan Data 69 Power Connection Options 50 Hz 70 ElementaryDiagram 72...

Страница 5: ...and Isolator Mounting Positions 50 Hz 154 Installation Instructions forVMC SeriesAWR AWMR and CPRestrained Mountings 156 Refrigerant Flow Diagram 157 Process and Instrumentation Diagram 158 Component...

Страница 6: ...sages 186 2 6 System Fault Safety Status Messages 187 2 7 Printout on Fault Shutdown 190 3 DISPLAYKEYS OPTIONSWITCHES 191 3 1 General 191 3 2 Chilled Liquid Temps Key 191 3 3 System Data Keys 192 3 4...

Страница 7: ...l System Circuit Breakers 63 Fig 20 Optional Single Point Power Supply Connection with Individual System Circuit Breakers 64 SECTION 9 MAINTENANCE 222 General Requirements 222 Daily Maintenance 222 Sc...

Страница 8: ...Circuit 106 Fig 43 Connection Diagram System Wiring Standard and Remote Evap Units 109 Fig 44 Compressor Terminal Box Systems 1 4 111 Fig 45 Model YCAS0218EB 0268EB Dimensions English 112 Fig 46 Model...

Страница 9: ...pe CP X XX 146 Table 31 Aluminum Fins Seismic Isolator Selections VMC Model AWMR X XXX 146 Table 32 Copper Fin Weight Distribution lbs 147 Table 33 Copper Fin Weight Distribution kgs 147 Table 34 Copp...

Страница 10: ...aterials This individual shall also be familiar with and comply with all applicable governmental standards and regulations pertaining to the task in question SAFETY SYMBOLS The following symbols are u...

Страница 11: ...upported by evidence that 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 mod...

Страница 12: ...ooling 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 of the equip ment...

Страница 13: ...used in the unit are generally non toxic non flammable and non corrosive and pose no special safety hazards Use of gloves and safety glasses are however recommended when working on the unit The build...

Страница 14: ...r 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 c...

Страница 15: ...l separator The pressur ized oil is then cooled in the condenser coils and piped back to the compressor for lubrication The compres sor design working pressure is 450 PSIG 31 bar Each chiller receives...

Страница 16: ...rotors at a point about 1 2x suction This assures that a required minimum differential of at least 30 PSID exists between discharge and 1 2x suc tion to force oil into rotor case a minimum of 10 PSID...

Страница 17: ...onditioned and routed to the I O Expansion board to be multiplexed and sent to the Microprocessor Board If the motor current exceeds the 115 FLA trip point after 3 seconds of operation on either Wye D...

Страница 18: ...ng Power must be removed and reapplied to reset the module Current Overload The 2ACE module design uses one integral current transformer per phase to provide protection against rapid current overload...

Страница 19: ...rent to the measured half line current The Op erating Current is given by 0 65 X factory overload current setting 2 An unloaded compressor condition occurs when any measured half line current is less...

Страница 20: ...2 112 0 1 1 1 0 0 0 0 SYS 2 3 46 137 2 185 1 0 1 1 1 0 0 1 58 109 1 147 1 0 0 1 0 0 1 1 0308 40 195 2 132 1 0 0 0 0 1 0 0 SYS 1 2 46 161 2 217 1 1 0 1 1 0 0 1 58 129 2 174 1 0 1 0 1 1 1 0 0308 40 166...

Страница 21: ...5 50 99 2 134 1 0 0 0 0 1 1 0 SYS 1 2 0685 50 162 2 219 1 1 0 1 1 0 1 1 SYS 3 0775 50 128 2 173 1 0 1 0 1 1 0 1 0835 SYS 1 50 163 2 220 1 1 0 1 1 1 0 0 0835 50 128 2 173 1 0 1 0 1 1 0 1 SYS 2 3 0905 5...

Страница 22: ...1 0 0 1 0 0 1 1 0308 40 195 2 153 1 0 0 1 1 0 0 1 SYS 1 2 46 161 2 217 1 1 0 1 1 0 0 1 58 129 2 174 1 0 1 0 1 1 1 0 0308 40 166 2 130 1 0 0 0 0 0 1 0 SYS 3 46 140 2 189 1 0 1 1 1 1 0 1 58 109 2 147 1...

Страница 23: ...50 99 1 134 1 0 0 0 0 1 1 0 SYS 1 2 0685 50 162 2 219 1 1 0 1 1 0 1 1 SYS 3 0775 50 128 1 173 1 0 1 0 1 1 0 1 0835 SYS 1 50 163 2 220 1 1 0 1 1 1 0 0 0835 50 128 1 173 1 0 1 0 1 1 0 1 SYS 2 3 0905 50...

Страница 24: ...from Relay 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...

Страница 25: ...cations Copper fin condenser coils Coils constructed with corrosion resistant copper fins Not recommended in areas where units may be exposed to acid rain Entry Used to confirm Setpoint changes cancel...

Страница 26: ...compared to across the line start 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 w...

Страница 27: ...16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 3637 POWER FIELD CONTROLS FIELD COMPRESSOR PIPING FIELD M D X M B Y S B C D B B S X M S D S T S B X F C C G G X X L C X P R S Low Temp Brine...

Страница 28: ...Blanket Low Sound Fans High Static Fans Final Overspray Paint 1 Deflection Seismic Neoprene Pads 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 3 X 1 D C 2 W B 3 V P 4 S X 5 M 6 A 7 S 8 F E T X I...

Страница 29: ...onsible 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 d...

Страница 30: ...30 YORK INTERNATIONAL FORM 201 18 NM9 602 UNIT RIGGING Handling and Storage 88 2250mm CORRECT WRONG LD03514 FIG 3 UNIT RIGGING CORRECT WRONG LD03515 FIG 4 LIFTING LUGS...

Страница 31: ...channels of suitable strength The channels should be spaced at the same centers 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...

Страница 32: ...r design does 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 th...

Страница 33: ...e of 21 watts per meter under the insulation is recommended supplied independently and controlled by an ambient temperature thermostat set to switch on at 37 F 21 C above the freezing tem perature of...

Страница 34: ...ule No more 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 du...

Страница 35: ...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 is to be connected to each of t...

Страница 36: ...e Run Contact Terminals 29 and 30 Figs 12 and 13 pages 41 and 42 close to indicate that a system is running Alarm Contacts Each system has a voltage free change over contact which will operate to sign...

Страница 37: ...37 YORK INTERNATIONAL FORM 201 18 NM9 602 POWER AND CONTROL PANEL LAYOUTS WYE DELTA TYPICAL FIG 8 POWER PANEL SECTION 00263VIP 4...

Страница 38: ...38 YORK INTERNATIONAL FORM 201 18 NM9 602 FIG 9 POWER PANEL SECTION CONT D OPTIONS PANEL LAYOUT TYPICAL 00246VIP Installation...

Страница 39: ...C 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 Board 2 F...

Страница 40: ...40 YORK INTERNATIONAL FORM 201 18 NM9 602 FIG 11 LOGIC SECTION LAYOUT WITH CONTROL PANEL LAYOUT LOGIC SECTION LAYOUT WITH CONTROL PANEL LAYOUT 00248VIP Installation...

Страница 41: ...OR EMERGENCY STOPS TERMINALS 13 19 TERMINALS 23 32 Print Temperature PWM Current PWM Flow Switch System No 1 Run System No 2 Run 13 13 13 13 13 14 15 16 17 18 19 23 24 25 26 27 28 29 30 System No 1 Al...

Страница 42: ...FIG 13 CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS Installation TRANSFORMERS POWER SUPPLY BOARD CIRCUIT BREAKERS RELAY BOARDS I O EXPANSION BOARD CUSTOMER CONNECTIONS Flow Switch Alarm Run etc MICROPROC...

Страница 43: ...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 SECTION 5 COMMI...

Страница 44: ...the cooler 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...

Страница 45: ...isappear and be replaced by a solid column of liquid Fan Rotation As discharge pressure rises the condenser fans oper ate in stages to control the pressure Verify that the fan operation is correct for...

Страница 46: ...rted 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...

Страница 47: ...PRESSURE DROP 3 4 COMPRESSOR UNITS 1 10 100 100 1000 10000 Water Flow GPM Pressure Drop ft H20 C3 C4 C5 LD06102 MODEL NUMBER YCAS COOLER 0218 0248 0268 C3 0288 0308 0328 C4 0358 0398 0418 C5 LD06103 W...

Страница 48: ...ITS 50 HZ TECHNICAL DATA SI UNITS 50 HZ FLOW RATE AND PRESSURE DROP CHARTS LD05883 100 10 1 100 1000 10 Pressure Drop kPa Water Flow l s C3 C5 C4 MODEL NUMBER YCAS COOLER 0685 C3 0775 0835 0905 0965 C...

Страница 49: ...LYCOL CORRECTION FACTORS The cooler is designed in accordance withARI 590 92 which allows for an increase in pressure drop of up to 15 above the design value given above Debris in the water may also c...

Страница 50: ...28 40 50 415 1205 0 125 0358 40 50 530 1601 0 125 0398 40 50 530 1601 0 125 0418 40 50 530 1601 0 125 NOTES 1 For leaving brine temperature below 5 C contact your nearest YORK office for application r...

Страница 51: ...trical heater as standard TEMPERATURE AND FLOWS 50 HZ Excessive flow above the max L S will damage the evaporator MODEL LEAVING WATER COOLER FLOW AIR ON NUMBER TEMPERATURE C L S 3 CONDENSER C YCAS MIN...

Страница 52: ...kt 2 Ckt 3 Ckt 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 4 5 5 6 4 4 4 4 5 5 4 4 5 5 4 4 Standard Fans Fan Motor HP kW 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 Fan Motor Speed revs min 1140 1140 1140...

Страница 53: ...512 Condenser Fans Number Ckt 1 Ckt 2 4 4 4 4 4 4 4 4 4 4 4 4 5 5 4 5 5 6 4 4 4 4 5 5 4 4 5 5 4 4 Standard Fans Fan Motor HP kW 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 3 2 8 Fan Motor Speed r...

Страница 54: ...4 4 4 4 4 4 4 5 5 6 4 4 4 4 4 4 4 4 4 4 4 4 Standard Fans Fan Motor HP kW 3 2 6 3 2 6 3 2 6 3 2 6 3 2 6 3 2 6 3 2 6 3 2 6 Fan Motor Speed revs sec 15 8 15 8 15 8 15 8 15 8 15 8 15 8 15 8 Fan Diameter...

Страница 55: ...MP F 40 1 59 CHILLED WATER TEMP DIFFERENCE F 5 5 18 WATER SIDE PRESSURE PSIG 150 REFRIGERANT SIDE PRESSURE PSIG 300 COOLER FLOW MODEL GALLONS MINUTE YCAS MIN MAX 0218EB 318 1072 0248EB 318 1072 0268EB...

Страница 56: ...10 WATER SIDE PRESSURE BAR 10 REFRIGERANT SIDE PRESSURE BAR 20 COOLER FLOW MODEL LITERS MIN YCAS MIN MAX 0218EB 20 0 67 6 0248EB 20 0 67 6 0268EB 20 0 67 6 0288EB 26 0 76 0 0308EB 26 0 76 0 0328EB 26...

Страница 57: ...ATER SIDE PRESSURE BAR 10 REFRIGERANT SIDE PRESSURE BAR 20 COOLER FLOW MODEL LITERS SECOND YCAS MIN MAX 0685EB 18 5 67 6 0775EB 21 0 76 0 0835EB 21 0 76 0 0905EB 21 0 76 0 0965EB 21 0 76 0 1065EB 27 2...

Страница 58: ...00 600 2 1 0 300 2 250 500 212 343 1093 166 343 1093 8 5 1 21 0 0288EB 460 410 600 450 500 2 0 500 2 250 500 176 280 893 137 280 893 8 5 2 29 0 575 325 400 400 400 2 0 500 2 3 0 250 141 224 714 109 22...

Страница 59: ...400 350 450 2 0 500 2 3 0 250 195 343 1093 5 5 1 21 0 0308EB 460 222 250 300 350 1 0 300 4 300 161 280 893 5 5 2 29 0 575 177 200 225 300 2 4 0 6 350 129 224 714 5 3 9 25 9 380 264 400 350 450 2 0 500...

Страница 60: ...224 714 8 3 9 25 9 380 671 800 800 1000 2 2 0 500 3 2 0 400 212 343 1093 166 343 1093 8 5 1 21 0 0288EB 460 568 600 700 800 2 2 0 500 2 250 500 176 280 893 137 280 893 8 5 2 29 0 575 450 600 500 600...

Страница 61: ...1 0 300 2 250 500 129 224 714 5 3 9 25 9 380 707 800 800 1000 3 1 0 300 3 2 0 400 195 343 1093 5 5 1 21 0 0328EB 460 599 800 700 800 2 2 0 500 3 2 0 400 161 280 893 5 5 2 29 0 575 475 600 500 600 2 1...

Страница 62: ...breaker is 150 maximum plus 100 of rated load amps included in the circuit Minimum circuit breaker rating 1 5 x largest compressor RLA other compressor RLAs fans x each fan motor FLA 6 Maximum circui...

Страница 63: ...ol Power Wiring As Shown On The Two Compressor Diagrams FIG 18 MULTIPLE POINT POWER SUPPLY CONNECTION LD05552 See page 62 for notes FIG 19 MULTIPLE POINT POWER SUPPLY CONNECTION WITH INDIVIDUAL SYSTEM...

Страница 64: ...on 60 Hz units for these electrical wiring configurations 2 Dashed Line Field Provided Wiring 3 The above recommendations are based on the National Electric Code and using copper conductors only Field...

Страница 65: ...65 YORK INTERNATIONAL FORM 201 18 NM9 602 This page intentionally left blank 7...

Страница 66: ...ty FLA ea LRA ea MCA Disc SW2 9 Min 3 5 Max 4 6 Terminal block Disc Switch 0685EB 380 367 400 400 500 2 2 4 0 2 3 0 250 99 219 692 162 267 857 7 5 7 25 0775EB 380 367 400 400 450 2 2 4 0 2 3 0 250 128...

Страница 67: ...2 267 857 162 267 857 8 5 7 25 7 ELECTRICAL SYSTEM 2 FIELD SUPPLIED WIRING Field Provided Power Supply Factory Provided Lugs Compressor 1 Compressor 3 Fan11 12 Model Data YCAS Volts MRA1 Min NF Protec...

Страница 68: ...WITCH WYE DELTA WYE DELTA START XLRA ACROSS THE LINE INRUSH LOCKED ROTOR AMPS YLRA WYE DELTA INRUSH LOCKED ROTOR AMPS LEGEND TABLE 23 CONTROL POWER SUPPLY UNITS WITHOUT STANDARD CONTROL CIRCUIT TRANSF...

Страница 69: ...te the number of termination points or lugs which are available per phase Actual wire size and number of wires per phase must be determined based on ampacity and job requirements using N E C wire sizi...

Страница 70: ...ER SUPPLY CONNECTION WITH INDIVIDUAL SYSTEM CIRCUIT BREAKERS TB or DS TB or DS TB1 TB2 TB3 TB4 Field Supply 2 Field Supply 1 Suitable for Across the Line Start LD05558 NOTE 2 See page 71 for notes Fie...

Страница 71: ...ing 2 The above recommendations are based on the National Electrical Code and using copper conductors only Field wiring must also comply with local codes FIG 23 OPTIONAL SINGLE POINT POWER SUPPLY CONN...

Страница 72: ...72 YORK INTERNATIONAL FORM 201 18 NM9 602 Technical Data FIG 24 ELEMENTARY DIAGRAM ACROSS THE LINE START ELEMENTARY DIAGRAM LD04172A...

Страница 73: ...73 YORK INTERNATIONAL FORM 201 18 NM9 602 ELEMENTARY DIAGRAM FIG 24 ELEMENTARY DIAGRAM ACROSS THE LINE START CONT D 7 LD04172B...

Страница 74: ...flow switch FSLW See Note 3 for contact rating and wiring specifications Also refer to cautions on page 79A 5 To stop unit Emergency Stop with contacts other than those shown install the stop contact...

Страница 75: ...ON CERTAIN MODEL CHILLERS PRESENT ON CERTAIN MODEL CHILLERS PRESENT ON CERTAIN MODEL CHILLERS PRESENT ON CERTAIN MODEL CHILLERS FIG 26 STANDARD 3 COMPRESSOR POWER SUPPLIES WYE DELTA START STANDARD 3 C...

Страница 76: ...echnical Data PRESENT ON CERTAIN MODEL CHILLERS PRESENT ON CERTAIN MODEL CHILLERS PRESENT ON CERTAIN MODEL CHILLERS PRESENT ON CERTAIN MODEL CHILLERS WIRING DIAGRAM ACROSS THE LINE START LD04173 FIG 2...

Страница 77: ...77 YORK INTERNATIONAL FORM 201 18 NM9 602 This page intentionally left blank 7...

Страница 78: ...78 YORK INTERNATIONAL FORM 201 18 NM9 602 Technical Data STANDARD COMPRESSOR POWER SUPPLIES ACROSS THE LINE START WYE DELTA START FIG 28 ELEMENTARY DIAGRAM LD07626...

Страница 79: ...in the Smart Panel enclosure or connected to power supplies in the control panel Additionally control wir ing not connected to the Smart Panel should not be run through the cabinet This could result i...

Страница 80: ...FORM 201 18 NM9 602 YORK INTERNATIONAL YORK INTERNATIONAL 79B 80 LD04178 CONNECTION DIAGRAM FIG 29 CONNECTION DIAGRAM FORM 201 18 NM9 602...

Страница 81: ...81 YORK INTERNATIONAL FORM 201 18 NM9 602 LD04179 7...

Страница 82: ...82 YORK INTERNATIONAL FORM 201 18 NM9 602 Technical Data CONNECTION DIAGRAM FIG 29 CONNECTION DIAGRAM CONT D LD04180 Box Information continued from page 81...

Страница 83: ...83 YORK INTERNATIONAL FORM 201 18 NM9 602 7 LD04181 Box Information continued from page 82...

Страница 84: ...4 YORK INTERNATIONAL FORM 201 18 NM9 602 Technical Data FIG 29 LEGEND PAGES 79B 80 81 LD03281 FIG 30 CONNECTION DIAGRAM ELECTRIC BOX DXST DIRECT DRIVE CONNECTION DIAGRAM ELECTRIC BOX DXST DIRECT DRIVE...

Страница 85: ...5 YORK INTERNATIONAL FORM 201 18 NM9 602 CONNECTION DIAGRAM ELECTRICAL BOX YCAS0218EB YCAS0328EB AND YCAS0685EB YCAS0965EB STANDARD REMOTE EVAP UNITS FIG 31 CONNECTION DIAGRAM ELECTRICAL BOX LD07261 7...

Страница 86: ...ERNATIONAL FORM 201 18 NM9 602 FIG 31 CONNECTION DIAGRAM ELECTRICAL BOX CONT D CONNECTION DIAGRAM ELECTRICAL BOX YCAS0218EB YCAS0328EB AND YCAS0685EB YCAS0965EB STANDARD REMOTE EVAP UNITS LD07262 Tech...

Страница 87: ...87 YORK INTERNATIONAL FORM 201 18 NM9 602 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 32 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT LD04177 7...

Страница 88: ...88 YORK INTERNATIONAL FORM 201 18 NM9 602 Technical Data ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 32 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT CONT D LD04373...

Страница 89: ...02 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 32 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT CONT D DETAIL C SEE INSTALLATION OPERATION AND MAINTENANCE MANUAL FOR JUMPER OF COND...

Страница 90: ...90 YORK INTERNATIONAL FORM 201 18 NM9 602 CONNECTION DIAGRAM SYSTEM WIRING STANDARD REMOTE EVAP UNITS FIG 33 CONNECTION DIAGRAM SYSTEM WIRING LD04184 Technical Data...

Страница 91: ...91 YORK INTERNATIONAL FORM 201 18 NM9 602 LD04185 CONNECTION DIAGRAM SYSTEM WIRING STANDARD REMOTE EVAP UNITS FIG 33 CONNECTION DIAGRAM SYSTEM WIRING CONT D 7...

Страница 92: ...92 YORK INTERNATIONAL FORM 201 18 NM9 602 FIG 34 ELEMENTARY DIAGRAM DXST DIRECT DRIVE POWER CIRCUIT ELEMENTARY DIAGRAM DXST DIRECT DRIVE POWER CIRCUIT LD07388 Technical Data...

Страница 93: ...93 YORK INTERNATIONAL FORM 201 18 NM9 602 ELEMENTARY DIAGRAM DXST DIRECT DRIVE POWER CIRCUIT LD07389 FIG 34 ELEMENTARY DIAGRAM DXST DIRECT DRIVE POWER CIRCUIT CONT D 7...

Страница 94: ...See Note 3 for contact rating and wiring specifications Also refer to cautions on the page 101 5 To stop unit Emergency Stop with contacts other than those shown install the stop contact between 5 an...

Страница 95: ...95 YORK INTERNATIONAL FORM 201 18 NM9 602 FIG 36 STANDARD 4 COMPRESSOR POWER SUPPLIES WYE DELTA START STANDARD 4 COMPRESSOR POWER SUPPLIES WYE DELTA START LD07627 7...

Страница 96: ...TIONAL FORM 201 18 NM9 602 Technical Data FIG 37 STANDARD 4 COMPRESSOR POWER SUPPLIES ACROSS THE LINE START STANDARD 4 COMPRESSOR POWER SUPPLIES ACROSS THE LINE START YCAS0358EB 0418EB AND YCAS1065EB...

Страница 97: ...97 YORK INTERNATIONAL FORM 201 18 NM9 602 This page intentionally left blank 7...

Страница 98: ...18 NM9 602 Technical Data STANDARD COMPRESSOR POWER SUPPLIES YCAS0358EB YCAS0418EB AND YCAS1065EB YCAS1215EB ACROSS THE LINE START WYE DELTA START FIG 38 STANDARD COMPRESSOR POWER SUPPLIES ACROSS THE...

Страница 99: ...FORM 201 18 NM9 602 FORM 201 18 NM9 602 YORK INTERNATIONAL YORK INTERNATIONAL 99 99A SHLD G ISN RS485 PORT LD07629...

Страница 100: ...FORM 201 18 NM9 602 YORK INTERNATIONAL YORK INTERNATIONAL 99B 100 FORM 201 18 NM9 602 FIG 39 CONNECTION DIAGRAM ACROSS THE LINEAND WYE DELTASTART SYSTEMS 1 2 CONNECTION DIAGRAM SYSTEMS 1 2...

Страница 101: ...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 nuisance faults Any inductive devices relays wi...

Страница 102: ...102 YORK INTERNATIONAL FORM 201 18 NM9 602 Technical Data CONNECTION DIAGRAM SYSTEMS 3 4 FIG 40 CONNECTION DIAGRAM ACROSS THE LINE AND WYE DELTA START SYSTEMS 3 4...

Страница 103: ...FORM 201 18 NM9 602 YORK INTERNATIONAL YORK INTERNATIONAL 103 103A LD04267 FORM 201 18 NM9 602...

Страница 104: ...ORK INTERNATIONAL 103B 104 FORM 201 18 NM9 602 CONNECTION DIAGRAM ELECTRICAL BOX YCAS0358EB YCAS0418EB AND YCAS1065EB YCAS1215EB STANDARD REMOTE EVAP UNITS FIG 41 CONNECTION DIAGRAM ELECTRICAL BOX LD0...

Страница 105: ...05 YORK INTERNATIONAL FORM 201 18 NM9 602 7 CONNECTION DIAGRAM ELECTRICAL BOX YCAS0358EB 0418EB AND YCAS1065EB 1215EB STANDARD REMOTE EVAP UNITS FIG 41 CONNECTION DIAGRAM ELECTRICAL BOX CONT D LD07068...

Страница 106: ...106 YORK INTERNATIONAL FORM 201 18 NM9 602 Technical Data FIG 42 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT LD04177...

Страница 107: ...107 YORK INTERNATIONAL FORM 201 18 NM9 602 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG 42 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT CONT D LD04695 7...

Страница 108: ...hnical 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 42 ELEMENTARY DIAGRAM DX...

Страница 109: ...109 YORK INTERNATIONAL FORM 201 18 NM9 602 CONNECTION DIAGRAM SYSTEM WIRING STANDARD REMOTE EVAP UNITS FIG 43 CONNECTION DIAGRAM SYSTEM WIRING STANDARD AND REMOTE EVAP UNITS LD07263 7...

Страница 110: ...0 YORK INTERNATIONAL FORM 201 18 NM9 602 Technical Data FIG 43 CONNECTION DIAGRAM SYSTEM WIRING STANDARD AND REMOTE EVAP UNITS CONT D CONNECTION DIAGRAM SYSTEM WIRING STANDARD REMOTE EVAP UNITS LD0427...

Страница 111: ...111 YORK INTERNATIONAL FORM 201 18 NM9 602 COMPRESSOR TERMINAL BOX SYSTEMS 1 THROUGH 4 LD04271 FIG 44 COMPRESSOR TERMINAL BOX SYSTEMS 1 4 7...

Страница 112: ...uctions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated belo...

Страница 113: ...8 89 11 16 342 1 4 128 149 5 8 VIEW D D HOLES TYP MOUNTING 5 8 DIA CONTROL PANEL FOR SYS 2 POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS WATER OUTLET WATER INLET POWER OPENING DISTRIBUTION ORIGIN HOLES EA...

Страница 114: ...s including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated below resu...

Страница 115: ...7 1 2 A A 30 30 88 1 1 4 1 1 4 X Z G C 68 36 78 89 11 16 342 1 4 142 157 3 16 VIEW D D HOLES TYP MOUNTING 5 8 DIA CONTROL PANEL FOR SYS 2 POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS WATER OUTLET WATER I...

Страница 116: ...s including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated below resu...

Страница 117: ...2 F 63 9 16 96 A A 30 30 1 1 4 1 1 4 68 36 390 1 4 115 7 16 89 11 16 88 WATER INLET WATER OUTLET HOLES EACH SIDE 4 2 1 4 DIA RIGGING POWER OPENING 5 8 DIA MOUNTING HOLES TYP POWER OPENING VIEW D D PO...

Страница 118: ...s including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated below resu...

Страница 119: ...1 1 4 X Z G C 68 36 78 10 10 438 1 4 115 7 16 89 11 16 142 157 3 16 88 HOLES TYP 5 8 DIA MOUNTING CONTROL PANEL VIEW D D POWER ELEMENTS FOR SYS 1 3 FOR SYS 2 POWER ELEMENTS SYS 3 SYS 1 2 APPROX OPERA...

Страница 120: ...s including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated below resu...

Страница 121: ...A 30 30 88 1 1 4 1 1 4 X Z G C 75 1 2 36 78 89 11 16 10 10 438 1 4 142 264 9 16 5 8 DIA MOUNTING HOLES TYP VIEW D D CONTROL PANEL POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS FOR SYS 2 4 POWER OPENING D...

Страница 122: ...structions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated b...

Страница 123: ...7 3 16 31 3 4 J D D 2 96 7 1 2 A A 30 30 1 1 4 1 1 4 36 78 88 WATER OUTLET WATER INLET POWER OPENING 4 2 1 4 DIA RIGGING HOLES EACH SIDE CONTROL PANEL DISTRIBUTION APPROX OPERATING WEIGHT POWER ELEMEN...

Страница 124: ...r potential 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 pane...

Страница 125: ...1 2277 8694 3251 3800 VIEW D D HOLES TYP MOUNTING 16 DIA CONTROL PANEL FOR SYS 2 POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS WATER OUTLET WATER INLET POWER OPENING DISTRIBUTION ORIGIN HOLES EACH SIDE 4...

Страница 126: ...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 Side to wall 2m...

Страница 127: ...762 2235 32 32 X Z G C 1727 914 1981 2277 8694 3607 3992 VIEW D D HOLES TYP MOUNTING 16 DIA CONTROL PANEL FOR SYS 2 POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS WATER OUTLET WATER INLET POWER OPENING DIS...

Страница 128: ...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 Side to wall 2m...

Страница 129: ...2438 A A 762 762 32 32 1727 914 9913 2933 2277 2235 WATER INLET WATER OUTLET HOLES EACH SIDE 4 57 DIA RIGGING POWER OPENING 16 DIA MOUNTING HOLES TYP POWER OPENING VIEW D D POWER ELEMENTS FOR SYS 2 P...

Страница 130: ...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 Side to wall 2m...

Страница 131: ...1727 914 1981 10 10 11132 2933 2277 3607 3992 2235 HOLES TYP 16 DIA MOUNTING CONTROL PANEL VIEW D D POWER ELEMENTS FOR SYS 1 3 FOR SYS 2 POWER ELEMENTS SYS 3 SYS 1 2 APPROX OPERATING WEIGHT DISTRIBUT...

Страница 132: ...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 Side to wall 2m...

Страница 133: ...762 762 2235 32 32 X Z G C 1918 914 1981 2277 10 10 11132 3607 6720 16 DIA MOUNTING HOLES TYP VIEW D D CONTROL PANEL POWER ELEMENTS FOR SYS 1 3 POWER ELEMENTS FOR SYS 2 4 POWER OPENING DISTRIBUTION O...

Страница 134: ...wever 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 Side t...

Страница 135: ...06 J D D 51 2438 191 A A 762 762 32 32 914 1981 2235 WATER OUTLET WATER INLET POWER OPENING 4 57 DIA RIGGING HOLES EACH SIDE CONTROL PANEL DISTRIBUTION APPROX OPERATING WEIGHT POWER ELEMENTS FOR SYS 2...

Страница 136: ...ecirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated below resulting in unpre dictable air flow patterns and...

Страница 137: ...POWER ELEMENTS FOR SYS 1 3 FOR SYS 2 POWER ELEMENTS ORIGIN VIEW D D POWER PANEL A B C D E F G H I J LD05572 SYS 3 SYS 1 2 D D 1841 51 2438 X Z G C 1727 914 1981 A A 10 10 191 7474 2277 3251 3424 POWER...

Страница 138: ...ow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pres sure safety cutout however the system designer must consider potential performan...

Страница 139: ...ES EACH SIDE 4 57 DIA RIGGING SYS 2 SYS 3 Y X G C SYS 1 1400 1229 1453 1453 1453 806 762 762 2235 32 32 VIEW D D HOLES TYP MOUNTING 16 DIA CONTROL PANEL FOR SYS 2 POWER ELEMENTS FOR SYS 1 3 POWER ELEM...

Страница 140: ...low resulting in unpre dictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pres sure safety cutout however the system desi...

Страница 141: ...CONTROL PANEL VIEW D D POWER ELEMENTS FOR SYS 1 3 FOR SYS 2 POWER ELEMENTS ORIGIN POWER PANEL A B C D E F G H I J K L M N O P D D 51 2833 2438 191 A A X Z G C 1727 914 1981 10 10 11132 2932 2277 3607...

Страница 142: ...icated below resulting in unpre dictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pres sure safety cutout however the sy...

Страница 143: ...NTS FOR SYS 1 3 POWER ELEMENTS FOR SYS 2 4 ORIGIN POWER PANEL I J K L M N O P A B C D E F G H SYS 3 4 SYS 1 2 D D 51 2592 2678 2438 191 A A X Z G C 1918 914 1981 2277 10 10 11132 3607 6720 POWER OPENI...

Страница 144: ...201 18 NM9 602 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 61 CLEARANCES 1 3...

Страница 145: ...736 1 980 1 253 2 499 1 452 1 184 2 577 1 955 1 753 2 001 1 257 2 499 1 452 1 184 2 577 29 301 YCAS0418 1 945 1 737 2 030 1 264 2 500 1 453 1 185 2 578 1 956 1 754 2 053 1 269 2 500 1 453 1 185 2 578...

Страница 146: ...28 2 31 2 28 YCAS0288 2 31 2 28 2 31 2 27 2 27 2 26 2 31 2 28 2 32 2 28 2 32 2 28 YCAS0308 2 31 2 31 2 32 2 27 2 31 2 27 2 31 2 31 2 32 2 28 2 35 2 28 YCAS0328 2 31 2 28 2 32 2 27 2 27 2 26 2 25 2 25...

Страница 147: ...184 1 935 2 184 1 472 2 693 1 636 1 371 2 750 32 286 YCAS0418 2 069 1 922 2 215 1 481 2 696 1 639 1 374 2 753 2 237 1 939 2 237 1 486 2 696 1 639 1 374 2 753 32 509 TABLE 32 COPPER FIN OR ALUMINUM FIN...

Страница 148: ...LK 4 RED 4 RED 4 GRN 4 RED 4 GRN 4 RED YCAS0288 4 RED 4 RED 4 GRN 4 RED 4 RED 4 BLK 4 RED 4 RED 4 GRN 4 RED 4 GRN 4 RED YCAS0308 4 RED 4 RED 4 GRN 4 RED 4 RED 4 RED 4 RED 4 RED 4 GRN 4 RED 4 GRN 4 RED...

Страница 149: ...2 347 1 635 2 855 1 798 1 568 2 998 35 025 YCAS0418 2 230 2 083 2 376 1 642 2 857 1 800 1 585 2 984 2 241 2 099 2 398 1 647 2 857 1 800 1 585 2 984 35 165 TABLE 37 COPPER FIN WITH OPTIONAL SILENCER KI...

Страница 150: ...2 31 YCAS0288 2 32 2 31 2 32 2 28 2 28 2 28 2 32 2 31 2 35 2 31 2 32 2 31 YCAS0308 2 32 2 31 2 32 2 31 2 32 2 28 2 32 2 31 2 35 2 31 2 35 2 32 YCAS0328 2 31 2 31 2 32 2 28 2 28 2 27 2 26 2 26 2 31 2 3...

Страница 151: ...3 or RD 3 5 5 3 375 1 75 2 875 2 5 0 5 4 125 0 563 0 25 139 7 85 8 44 4 73 2 63 5 12 7 104 8 14 4 6 3 R 4 or RD 4 6 25 4 625 1 625 2 75 3 0 0 5 5 0 0 563 0 375 158 7 117 6 41 4 69 8 76 2 12 7 127 0 1...

Страница 152: ...E SIZE MAX LOAD DEFL SPRING lbs kg in mm COLOR CP 2 26 1200 408 2 1 22 30 7 Red CP 2 27 1500 680 4 1 06 26 9 Orange CP 2 28 1800 816 4 1 02 25 9 Green CP 2 31 2200 997 9 0 83 21 0 Gray CP 2 32 2600 11...

Страница 153: ...K L M N X AWMR 1 267 152 76 16 19 89 44 13 229 16 216 108 267 19 50 553 11NC 16 SEISMIC ISOLATOR DIMENSIONS mm SEISMIC ISOLATOR DIMENSIONS Inches TYPE SIZE MAX LOAD DEFL lbs kg in mm AWMR 1 530 1150 4...

Страница 154: ...521 1 520 YCAS1065 1 553 1 552 1 553 1 530 2 531 1 552 1 532 2 532 1 553 1 552 1 553 1 530 2 531 1 552 1 532 2 532 YCAS1135 1 553 1 552 1 553 1 530 2 531 1 552 1 532 2 532 1 553 1 552 1 553 1 530 2 5...

Страница 155: ...53 1 521 YCAS1065 1 553 1 553 2 530 1 530 2 532 1 553 1 551 2 551 1 553 1 553 1 553 1 530 2 532 1 553 1 551 2 551 YCAS1135 1 553 1 553 2 530 1 530 2 532 1 553 1 551 2 551 1 553 1 553 1 553 1 530 2 532...

Страница 156: ...t 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 Comp...

Страница 157: ...ater passing through 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...

Страница 158: ...158 YORK INTERNATIONAL FORM 201 18 NM9 602 PROCESS AND INSTRUMENTATION DIAGRAM LD03486 FIG 66 PROCESSAND INSTRUMENTATION DIAGRAM Added to some models Technical Data...

Страница 159: ...SCHARGE TEMPERATURE BOP OIL 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...

Страница 160: ...RE 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 S...

Страница 161: ...HOLE OIL HEATER 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 CONT...

Страница 162: ...162 YORK INTERNATIONAL FORM 201 18 NM9 602 COMPRESSOR COMPONENTS CONT D FIG 69 COMPRESSOR COMPONENTS CONT D LD03669 Technical Data...

Страница 163: ...163 YORK INTERNATIONAL FORM 201 18 NM9 602 COMPRESSOR COMPONENTS CONT D FIG 69 COMPRESSOR COMPONENTS CONT D LD03670 7...

Страница 164: ...164 YORK INTERNATIONAL FORM 201 18 NM9 602 COMPRESSOR COMPONENTS CONT D FIG 69 COMPRESSOR COMPONENTS CONT D LD03671 Technical Data...

Страница 165: ...M9 602 COMPRESSOR COMPONENTS CONT D FIG 69 COMPRESSOR COMPONENTS CONT D O RING MOTOR ROTOR MALE ROTOR LOCKING KEY MALE ROTOR FEMALE ROTOR O RING RELIEF VALVE ECONOMIZER PLUG SUPPORT RINGS LD03672 SLID...

Страница 166: ...NG 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 SLEEVE 31...

Страница 167: ...hes the 3 phase power requirements of the compressor See chiller nameplate Pages 27 28 q 12 Assure 115VAC Control Power has 30A mini mum capacity See Fig 13 page 42 q 13 Be certain all water temp sens...

Страница 168: ...Checks Power ON Both System Switches OFF q 1 Apply 3 phase power and verify its value See Fig 8 page 37 q 2 Apply 115VAC and verify its value on the ter minal block in the lower left of the Power Pan...

Страница 169: ...tem perature pressure 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...

Страница 170: ...at 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 C Nor...

Страница 171: ...ng and programmed data as 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...

Страница 172: ...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 remote cycl...

Страница 173: ...wn period regardless 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...

Страница 174: ...elay 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 panel s...

Страница 175: ...cally sized to a system 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...

Страница 176: ...176 YORK INTERNATIONAL FORM 201 18 NM9 602 FIG 70 MOTOR PROTECTOR SIDE VIEW 29119A 29121A TOP VIEW TOP VIEW SIDE VIEW 29121A 29120A DISPLAY SWITCH PUSHED TO LEFT INDICATES ON ON Micro Panel Contents...

Страница 177: ...12 in the logic section 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 fo...

Страница 178: ...ould 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 the progr...

Страница 179: ...ock Enable Disable 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...

Страница 180: ...TION 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 1 Relay Output B...

Страница 181: ...and stay on for 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...

Страница 182: ...age 211 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 determining le...

Страница 183: ...ller Fault Status Messages 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 nu...

Страница 184: ...d 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 the loadin...

Страница 185: ...Cooling Mode see page 193 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 evapora...

Страница 186: ...he 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 faulting a...

Страница 187: ...4 bar for R 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...

Страница 188: ...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 activated...

Страница 189: ...below 10 of the cutout 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 cu...

Страница 190: ...g 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 17 The External Moto...

Страница 191: ...m monly required data 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 trou...

Страница 192: ...ressor 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 Temper...

Страница 193: ...Cutout programmed 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 curre...

Страница 194: ...s 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 selection...

Страница 195: ...8 Spare Spare 3 8 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 t...

Страница 196: ...nter 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 comprehensive...

Страница 197: ...led liquid temperature and the programmed target temperature The lower mes sage gives the rate of change of the chilled liquid leav ing temperature in degrees per minute A minus sign indicates falling...

Страница 198: ...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 68 8 DEG...

Страница 199: ...er shutdown will cause 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 re...

Страница 200: ...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 the ou...

Страница 201: ...ck to the start of 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 mes...

Страница 202: ...D 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 SYSTEM 1 DATA...

Страница 203: ...eturned The Enter key 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 t...

Страница 204: ...is 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 capacity of th...

Страница 205: ...not bring the load 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 compresso...

Страница 206: ...ad 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 Compressor Unloa...

Страница 207: ...the programmed value 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 def...

Страница 208: ...n 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 Clock an...

Страница 209: ...The displays for each 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 p...

Страница 210: ...riod 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 U A L O...

Страница 211: ...stem will shut down 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 f...

Страница 212: ...rant 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 compressor r...

Страница 213: ...below the lowest 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...

Страница 214: ...eeds 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 high chi...

Страница 215: ...ROGRAM key followed by 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...

Страница 216: ...in incre ments of 15 PSIG except stage 6 which is activated when the DP rises over 290 PSIG The system will re main at the highest fan stage reached unless the OFF conditions given in the next paragr...

Страница 217: ...r versions of EPROMs will have ON and OFF pressures 15 PSIG below the published values shown above Fan ON OFF Fan Wire Relay Stage Fans Conditions Conditions Contactor Number Board DP DP OAT Output 1...

Страница 218: ...ABLE 52 CONDENSER FAN CONTROLAND FAN CONTACTOR DATAFOR DXST UNITS WITH 5 FANS SYSTEM Newer versions of EPROMs will have ON and OFF pressures 15 PSIG below the published values shown above Fan ON OFF F...

Страница 219: ...ated when the DP rises over 290 PSIG The system will re main at the highest fan stage reached unless the OFF conditions given in the next paragraph are satisfied Condenser fan OFF conditions are gover...

Страница 220: ...2 6 8 265 PSIG 195 PSIG 75 F 15M 17M 18M 230 232 10 15 5 4 6 8 280 PSIG 210 PSIG 80 F 16M 17M 18M 231 232 10 14 2 6 2 4 6 8 290 PSIG 220 PSIG 85 F 15M 16M 17M 18M 230 231 232 10 14 15 Fan ON OFF Fan W...

Страница 221: ...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 130 131 13...

Страница 222: ...ction 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 and...

Страница 223: ...Pressure Suction Temperature Suction Superheat Discharge Pressure Actual Discharge Temperature Oil Pressure Oil Temperature FLA Motor Oil Level example Oil Added gallons or liters Inlet Temperature O...

Страница 224: ...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 power wiring connections1 X MAINTENANCE...

Страница 225: ...r 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 Check fan mo...

Страница 226: ...sts 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 Standar...

Страница 227: ...he 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 programmed ope...

Страница 228: ...ifferential pressure Dirty blocked oil filter Check and change oil filter cartridge SYS LOW SUCTION Badly adjusted or faulty expansion Check superheat displayed valve Reduced evaporator performance Ch...

Страница 229: ...10 99500 0 447 68 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...

Страница 230: ...cally 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 handling or...

Страница 231: ...78 172 4 196 91 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...

Страница 232: ...l Corp 816 221 9675 St Louis York International Corp 314 770 0909 NEWJERSEY Newark York International Corp 732 225 0606 NEVADA Las Vegas York International Corp 702 873 2200 NEWYORK Rochester York Int...

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