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153

JOHNSON CONTROLS

FORM 201.18-NM7

4.7

FAULT HISTORY DATA –

REMOTE PRINTOUT

A printout history of unit and system operating condi-

tions, at the time of the fault, can be obtained by pressing

the HISTORY Key with an optional printer installed. 2

compressor chillers will provide a history printout on

the last 6 faults.

An example of the HISTORY Printout is shown below:

YORK INTERNATIONAL CORPORATION

MILLENNIUM SCREW CHILLER

SAFETY SHUTDOWN NUMBER 1

SHUTDOWN @ 3:56 PM 29 SEPT 98

SYS 1 HIGH DSCH PRESS SHUTDOWN

SYS 2

NO FAULTS

OPTIONS

CHILLED LIQUID WATER

AMBIENT CONTROL STANDARD

REFRIGERANT TYPE R407C

PROGRAM VALUES

DSCH PRESS CUTOUT 399 PSIG

DSCH PRESS UNLOAD 375 PSIG

SUCT PRESS CUTOUT 44 PSIG

HIGH AMBIENT CUTOUT 130.0 DEGF

LOW AMBIENT CUTOUT 25.0 DEGF

LEAVING LIQUID CUTOUT 36.0 DEGF

MOTOR CURRENT UNLOAD 100 %FLA

ANTI RECYCLE TIME 600 SECS

LOCAL/REMOTE LEAD DATA REMOTE

LEAD /LAG CONTROL AUTOMATIC

UNIT DATA

LEAVING LIQUID TEMP 49.0 DEGF

RETURN LIQUID TEMP 58.2 DEGF

MIXED 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

SYSTEM 1 DATA

COMPRESSORS STATUS OFF

RUN TIME 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 68.8 DEGF

SAT SUCTION TEMP 71.8 DEGF

SUCTION SUPERHEAT 3.4 DEGF

SAT DISCHARGE TEMP 74.5 DEGF

DISCHARGE SUPERHEAT 6.3 DEGF

SLIDE VALVE STEP 0

COOLER INLET REFRIG 44.6 DEGF

LIQUID LINE SOLENOID OFF

ECONOMIZER TXV SOLENOID OFF

CONDENSER FAN STAGE OFF

COMPRESSOR HEATER ON

WYE-DELTA RELAY OFF

SYSTEM 2 DATA

COMPRESSORS STATUS ON

RUN TIME 0- 0-15-26 D-H-M-S

MOTOR CURRENT 104 AMPS 87 %FLA

SUCTION PRESSURE 57 PSIG

DISCHARGE PRESSURE 233 PSIG

OIL PRESSURE 218 PSIG

SUCTION TEMPERATURE 42.9 DEGF

DISCHARGE TEMPERATURE 145.5 DEGF

OIL TEMPERATURE 102.8 DEGF

SAT SUCTION TEMP 31.7 DEGF

SUCTION SUPERHEAT 11.2 DEGF

SAT DISCHARGE TEMP 112.1 DEGF

DISCHARGE SUPERHEAT 33.4 DEGF

SLIDE VALVE STEP 70

COOLER INLET REFRIG 23.6 DEGF

LIQUID LINE SOLENOID ON

ECONOMIZER TXV SOLENOID ON

CONDENSER FAN STAGE 3

COMPRESSOR HEATER OFF

WYE-DELTA RELAY ON

DAILY SCHEDULE

S M T W T F S *=HOLIDAY

Содержание YCAS0098EB

Страница 1: ...hrough YCAS0208EB YCAS 2 SYSTEM EPROM 031 01798 001 STANDARD BRINE METRIC MODELS COMBINED 28971AR 60 Hz AIR COOLED SCREW LIQUID CHILLERS INSTALLATION OPERATION MAINTENANCE Supersedes 201 18 NM7 916 Fo...

Страница 2: ...any referenced materials This in dividual shall also be familiar with and comply with all applicable industry and governmental standards and regulations pertaining to the task in question SAFETY SYMB...

Страница 3: ...ny work on the chiller REVISION NOTES Revisions made to this document are indicated in the following table These revisions are to technical information and any other changes in spelling grammar or for...

Страница 4: ...gle 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 Control C...

Страница 5: ...upply Connection to Factory Circuit Breaker 56 Compressor Data 57 Fan Data 57 Electrical Notes 58 Wiring Diagram Across the Line Start 60 Elementary Diagram Across the Line Start 62 Wiring Diagram Wye...

Страница 6: ...vaporator Heater Control 130 1 18 Pumpdown LLSV Control 130 1 19 Alarms 130 1 20 Run Status Chiller 131 1 21 Lead Lag Compressor Selection 131 2 STATUS KEY GENERAL STATUS MESSAGES FAULT WARNINGS 132 2...

Страница 7: ...8 2 Program Key User Programmable Values 160 8 3 Programming Default Values 164 8 4 4 Condenser Fan Control 165 SECTION 9 MAINTENANCE 169 General Requirements 169 Daily Maintenance 169 Scheduled Maint...

Страница 8: ...ted 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 model se...

Страница 9: ...le for purposes other than those specified in these instructions Any use of the equipment other than its intended use or operation of the equipment contrary to the relevant procedures may result in in...

Страница 10: ...ety hazards Use of gloves and safety glasses are however recommended when working on the unit The build up of refrigerant vapor from a leak for example does pose a risk of asphyxiation in confined or...

Страница 11: ...hr TWA exposure limits Stability Not specified Conditions to avoid Use in presence of naked flames red hot surfaces and high moisture levels Hazardous reactions May react violently with sodium potass...

Страница 12: ...when burned Burning may evolve irritating noxious fumes Respiratory protection Use in well ventilated areas ventilate locally Protective clothing Goggles or face shield should be worn Gloves not neces...

Страница 13: ...itrogen 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 Volat...

Страница 14: ...tection Use in well ventilated area Ventilation Local exhaust Protective Gloves Strongly recommended especially for prolonged exposure Eye Face Protection Goggles Firefighters should use NIOSH MNSA ap...

Страница 15: ...non metallic conduit General Description TheAir Cooled Screw Chiller utilizes many components which are the same or nearly the same as a standard reciprocating chiller of a similar size This includes...

Страница 16: ...parator The pressur ized oil is then cooled in the condenser coils and piped back to the compressor for lubrication The compressor design working pressure is 450 PSIG 31 bar Each chiller receives a 30...

Страница 17: ...cy The oil also provides cooling by transferring much of the heat of compression from the gas to the oil keeping discharge temperatures down and reducing the chance for oil breakdown Oil injected into...

Страница 18: ...eliminate chiller failure due to AC power failure The Programmed Setpoint is stored in lithium battery backed memory Motor Current Protection The microprocessor motor protection provides high cur rent...

Страница 19: ...low motor current and shuts the system down The micro will try two more starts before locking the system out The system locks out because the motor protector is a manual reset device After the first...

Страница 20: ...e measured half line current The Operating Current is given by 0 65 X factory overload current setting An unloaded compressor condition occurs when any measured half line current is less than the Oper...

Страница 21: ...1 122 0 1 1 1 1 0 1 0 17 168 2 113 0 1 1 1 0 0 0 1 0118 28 146 2 197 1 1 0 0 0 1 0 1 SYS 2 40 88 1 119 0 1 1 1 0 1 1 1 46 73 1 99 0 1 1 0 0 0 1 1 58 59 1 80 0 1 0 1 0 0 0 0 17 233 2 157 1 0 0 1 1 1 0...

Страница 22: ...101 1 136 1 0 0 0 1 0 0 0 58 81 1 109 0 1 1 0 1 1 0 1 17 320 4 108 0 1 1 0 1 1 0 0 28 278 2 188 1 0 1 1 1 1 0 0 0178 40 169 2 114 0 1 1 1 0 0 1 0 46 140 2 189 1 0 1 1 1 1 0 1 58 111 1 150 1 0 0 1 0 1...

Страница 23: ...elay is enabled by the microprocessor from Relay Output 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...

Страница 24: ...cop per tubes and galvanized steel supports for generally adequate corrosion resistance However these materials are not adequate for all environments Entry Used to confirm Set Point changes cancel inp...

Страница 25: ...o 121 C with 1 NPT IPS connection for upright mounting in horizontal pipe A flow switch must be field installed with each unit Star Delta Compressor Motor Starter Provides approximately 65 reduced inr...

Страница 26: ...380 3 60 460 3 60 575 3 60 Wye Star Delta Across the Line Design Series F Engineering Change or PIN Level BASIC PART NUMBER 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 BASE PRODUCT TYPE NOMINAL CAPACITY UNIT...

Страница 27: ...prene 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 B P L R H X S 1 S N UNIT NOMENCLATURE NAMEPLATE ENGINEERING DATA OPTIONS SECTION OF PA...

Страница 28: ...site It is recommended that the unit is periodically in spected during storage INSPECTION Remove any transit packing and inspect the unit to en sure that all components have been delivered and that n...

Страница 29: ...29 JOHNSON CONTROLS FORM 201 18 NM7 88 2250mm UNIT RIGGING CORRECT WRONG LD03514A FIG 3 UNIT RIGGING CORRECT WRONG LD03515 FIG 4 LIFTING LUGS CORRECT WRONG Handling and Storage...

Страница 30: ...ble 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 allow vibra...

Страница 31: ...on is provided on page 106 SHIPPING BRACES The chiller s modular design does not require shipping braces PIPEWORK CONNECTION General Requirements The following piping recommendations are intended to e...

Страница 32: ...he 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 the liquid The liquid circulati...

Страница 33: ...pe Precautions should be taken to ensure that the outlet of relief valves vent pipe remain clear of obstructions at all times DUCTWORK CONNECTION General Requirements The following ductwork recommenda...

Страница 34: ...urrent protection devices between the supply conductors and the power supply terminals on the unit To ensure that no eddy currents are set up in the power panel the cables forming each 3 phase power s...

Страница 35: ...39 and 40 close to start the chilled liquid pump This contact can be used as a master start stop for the pump in conjunction with the daily start stop schedule Run Contact Terminals 29 and 30 Figs 12...

Страница 36: ...36 JOHNSON CONTROLS POWER AND CONTROL PANEL LAYOUTS WYE DELTA TYPICAL FIG 8 POWER PANEL SECTION 00263VIP 4...

Страница 37: ...37 JOHNSON CONTROLS FORM 201 18 NM7 FIG 9 OPTION PANEL SECTION OPTION PANEL LAYOUT TYPICAL 00246VIP Installation...

Страница 38: ...ION LAYOUT LOGIC SECTION LAYOUT 00247VIP ITEM 1 2 3 4 5 6 7 8 9 DESCRIPTION Microprocessor Board Back of Keypad Back of Display I O Expansion Board 1 Power Supply Board Relay Output Board 1 Relay Outp...

Страница 39: ...39 JOHNSON CONTROLS FORM 201 18 NM7 FIG 11 LOGIC SECTION LAYOUT WITH CONTROL PANEL LAYOUT LOGIC SECTION LAYOUT WITH CONTROL PANEL LAYOUT 00248VIP Installation...

Страница 40: ...CY STOPS TERMINALS 13 19 TERMINALS 23 38 Print Temperature PWM Current PWM Flow Switch System No 1 Run System No 2 Run 14 15 16 17 18 19 23 24 25 26 27 28 29 30 System No 1 Alarm Contacts Chilled Liqu...

Страница 41: ...13 CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS TRANSFORMERS POWER SUPPLY BOARD CIRCUIT BREAKERS RELAY BOARDS I O EXPANSION BOARD CUSTOMER CONNECTIONS Flow Switch Alarm Run etc MICROPROCESSOR CIRCUIT BO...

Страница 42: ...ounted in the options panel It is important to check that the correct primary tapping has been used With the supply to the unit isolated remove the lid to the transformer box COMMISSIONING PREPARATION...

Страница 43: ...he cooler outlet and wired into the control panel correctly using shielded cable There should be a straight run of at least 5 pipe diameters on either side of the flow switch The flow switch should be...

Страница 44: ...lumn 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 of unit Suction Superheat Che...

Страница 45: ...ed 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 r...

Страница 46: ...s 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 LD03504A COOLER WATER...

Страница 47: ...7 7 50 0158 4 4 12 8 11 3 48 5 17 7 50 0178 4 4 12 8 11 3 48 5 17 7 50 0198 4 4 12 8 11 3 48 5 17 7 50 0208 4 4 12 8 11 3 48 5 17 7 50 NOTES 1 For leaving brine temperature below 40 F contact your nea...

Страница 48: ...8 2 1 8 2 1 8 Fan Motor Speed revs min 1140 0 1140 0 1140 0 1140 0 1140 0 1140 0 1140 0 1140 0 1140 0 Fan Diameter inches 35 4 35 4 35 4 35 4 35 4 35 4 35 4 35 4 35 4 Fan Tip Speed ft min 10 575 10 57...

Страница 49: ...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 2 1 8 2 1 8 Fan Motor Speed revs sec 19 0 19 0 19 0 19 0 19 0 19 0 19 0 19 0 19 0 Fan Diameter mm 900 900 900 900 900 900 900 900 900 Fa...

Страница 50: ...50 JOHNSON CONTROLS This page intentionally left blank...

Страница 51: ...PRESS FANS OPTION 1 85 PRESSURE Pa HIGH PRESS FANS OPTION 2 150 SLOW SPEED FANS 10 ELECTRICAL THREE PHASE 60 Hz V 200 230 380 460 575 440 OPERATING LIMITATIONS SI UNITS Maximum Ambient w High Ambient...

Страница 52: ...500 2 3 0 250 2 3 0 250 202 481 1518 4 7 8 38 0 0138EB 380 172 200 225 250 2 4 0 4 300 4 300 122 285 900 4 4 8 23 0 460 142 150 175 225 2 4 0 4 300 4 300 101 228 719 4 4 0 19 0 575 113 150 150 175 6 1...

Страница 53: ...00 500 2 0 500 2 3 0 250 2 3 0 250 233 591 1866 4 8 2 33 0 230 284 400 350 450 2 0 500 2 3 0 250 2 3 0 250 203 481 1518 4 7 8 38 0 0148EB 380 172 200 225 250 2 4 0 4 300 4 300 122 285 900 4 4 8 23 0 4...

Страница 54: ...300 6 350 200 590 800 700 800 2 2 0 500 3 2 0 400 230 518 600 600 700 2 2 0 500 2 250 500 0148EB 380 313 400 350 400 2 0 500 2 3 0 250 460 260 400 300 350 2 0 500 2 3 0 250 575 207 250 225 250 1 0 30...

Страница 55: ...228 719 4 4 0 19 0 575 81 182 574 4 3 1 15 2 81 182 574 4 3 1 15 2 200 233 591 1866 4 8 2 33 0 233 591 1866 4 8 2 33 0 230 203 481 1518 4 7 8 38 0 203 481 1518 4 7 8 38 0 0148EB 380 122 285 900 4 4 8...

Страница 56: ...TERMINAL BLOCK DISC SWITCH 380 228 250 250 300 1 0 300 6 350 0098EB 460 188 200 225 250 2 4 0 6 350 575 151 200 175 200 1 0 300 6 350 380 285 400 350 400 2 0 500 2 3 0 250 0118EB 460 236 250 300 350 1...

Страница 57: ...900 4 4 8 23 0 122 900 4 4 8 23 0 0138EB 460 101 719 4 4 0 19 0 101 719 4 4 0 19 0 575 81 574 4 3 1 15 2 81 574 4 3 1 15 2 380 122 900 4 4 8 23 0 122 900 4 4 8 23 0 0148EB 460 101 719 4 4 0 19 0 101...

Страница 58: ...900 4 4 8 23 0 84 681 4 4 8 23 0 0128EB 460 228 400 2 3 0 250 101 719 4 4 0 19 0 69 542 4 4 0 19 0 575 182 250 6 350 81 574 4 3 1 15 2 56 431 4 3 1 15 2 380 313 400 2 3 0 250 122 900 4 4 8 23 0 122 90...

Страница 59: ...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 60: ...rements 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 codes 8 A ground...

Страница 61: ...61 JOHNSON CONTROLS FORM 201 18 NM7 This page intentionally left blank 7...

Страница 62: ...o refer to cautions on page 63 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 63: ...63 JOHNSON CONTROLS FORM 201 18 NM7 LD06993A WIRING DIAGRAM ACROSS THE LINE START FIG 17 WIRING DIAGRAM ACROSS THE LINE START 7...

Страница 64: ...64 JOHNSON CONTROLS Technical Data ELEMENTARY DIAGRAM FIG 18 ELEMENTARY DIAGRAM ACROSS THE LINE START...

Страница 65: ...relay con tactor coil Any contacts connected to flow switch inputs or BAS inputs on terminals 13 19 or TB3 or any other terminals must be sup pressed with a YORK P N 031 00808 000 suppressor across t...

Страница 66: ...o refer to cautions on page 67 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 67: ...67 JOHNSON CONTROLS FORM 201 18 NM7 WIRING DIAGRAM WYE DELTA START LD06994A FIG 20 ELEMENTARY DIAGRAM WYE DELTA START 7...

Страница 68: ...68 JOHNSON CONTROLS Technical Data ELEMENTARY DIAGRAM FIG 21 ELEMENTARY DIAGRAM WYE DELTA START...

Страница 69: ...elay con tactor coil Any contacts connected to flow switch inputs or BAS inputs on terminals 13 19 or TB3 or any other terminals must be sup pressed with a YORK P N 031 00808 000 suppressor across the...

Страница 70: ...70 JOHNSON CONTROLS Technical Data FIG 22A CONTROL PANEL COMPONENT LOCATIONS...

Страница 71: ...71 JOHNSON CONTROLS FORM 201 18 NM7 LD03280 FIG 22B POWER PANEL COMPONENT LOCATION 7...

Страница 72: ...72 JOHNSON CONTROLS Technical Data LEGEND LD03281...

Страница 73: ...73 JOHNSON CONTROLS FORM 201 18 NM7 LD03282 LD03283 LD03284 7...

Страница 74: ...74 JOHNSON CONTROLS Technical Data CONNECTION DIAGRAM SYSTEM WIRING LD06256 LD03231 LD03232...

Страница 75: ...75 JOHNSON CONTROLS FORM 201 18 NM7 COMPRESSOR TERMINAL BOX LD03233 7...

Страница 76: ...76 JOHNSON CONTROLS LD03285 Technical Data...

Страница 77: ...77 JOHNSON CONTROLS FORM 201 18 NM7 3 4 5 6 3 4 5 6 7 8 5 6 3 4 7 8 9 10 LD06840A 7...

Страница 78: ...ls will 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 i...

Страница 79: ...2 1 4 DIA SYS 2 SYS 1 WATER INLET WATER OUTLET LD06997A LD06998A 30 30 88 1 1 4 1 1 4 G 31 3 4 54 5 16 55 13 16 Y X C CONTROL PANEL FOR SYS 2 POWER ELEMENTS FOR SYS 1 POWER ELEMENTS ORIGIN VIEW D D PO...

Страница 80: ...e of obstructions including snow for winter operation or air recirculation ensures rated performance reli able operation and ease of maintenance Site restrictions may compromise minimum clearances ind...

Страница 81: ...2 57 DIA SYS 2 SYS 1 WATER INLET WATER OUTLET LD05828A LD05829A CENTER OF GRAVITY Alum YCAS X Y Z 0098 2421 1179 978 0118 2375 1209 953 CENTER OF GRAVITY Copper YCAS X Y Z 0098 2418 1171 1046 0118 23...

Страница 82: ...NOTES 1 Placement on a level surface free of obstructions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restriction...

Страница 83: ...R OPENING RECOMMENDED RIGGING HOLES 3 2 1 4 DIA WATER INLET WATER OUTLET 762 762 2235 32 32 G 806 1380 1418 Y X C CONTROL PANEL FOR SYS 2 POWER ELEMENTS FOR SYS 1 POWER ELEMENTS ORIGIN VIEW D D POWER...

Страница 84: ...ze 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 higher th...

Страница 85: ...RECOMMENDED RIGGING HOLES 3 57 DIA WATER INLET WATER OUTLET 762 762 2235 32 32 X Y G C 806 1368 1368 1368 CONTROL PANEL FOR SYS 1 POWER ELEMENTS FOR SYS 2 POWER ELEMENTS ORIGIN VIEW D D POWER PANEL MO...

Страница 86: ...rface free of obstructions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum cleara...

Страница 87: ...DIA WATER INLET WATER OUTLET 762 762 2235 32 32 X Y G C 806 1368 1368 1368 CONTROL PANEL FOR SYS 1 POWER ELEMENTS FOR SYS 2 POWER ELEMENTS ORIGIN VIEW D D POWER PANEL MOUNTING 16 DIA HOLES TYP A B C...

Страница 88: ...ructions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated bel...

Страница 89: ...OLES EACH SIDE 2 57 DIA RIGGING WATER INLET WATER OUTLET 762 762 2235 32 32 X Y G C 806 1368 1368 1368 CONTROL PANEL FOR SYS 1 POWER ELEMENTS FOR SYS 2 POWER ELEMENTS ORIGIN VIEW D D POWER PANEL MOUNT...

Страница 90: ...rface free of obstructions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum cleara...

Страница 91: ...1 1 4 X Y G C 31 3 4 53 7 8 53 7 8 53 7 8 CONTROL PANEL FOR SYS 1 POWER ELEMENTS FOR SYS 2 POWER ELEMENTS ORIGIN VIEW D D POWER PANEL MOUNTING 5 8 DIA HOLES TYP A B C D E F G H LD07007A LD07008A CENTE...

Страница 92: ...e of obstructions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indi...

Страница 93: ...A WATER INLET WATER OUTLET 762 762 2235 32 32 X Y G C 806 1368 1368 1368 CONTROL PANEL FOR SYS 1 POWER ELEMENTS FOR SYS 2 POWER ELEMENTS ORIGIN VIEW D D POWER PANEL MOUNTING 16 DIA HOLES TYP A B C D E...

Страница 94: ...a level surface free of obstructions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise mini...

Страница 95: ...ET LD05664A CENTER OF GRAVITY Alum YCAS X Y Z 0198 110 2 43 2 33 2 0208 123 5 43 4 34 8 CENTER OF GRAVITY Copper YCAS X Y Z 0198 110 8 43 4 36 1 0208 125 6 43 4 38 0 30 30 1 1 4 1 1 4 X Y G C 31 3 4 7...

Страница 96: ...e of obstructions including snow for winter operation or air recirculation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indi...

Страница 97: ...RIGGING SYS 2 SYS 1 WATER INLET WATER OUTLET 762 762 32 32 X Y G C 806 1900 1658 1658 2235 CONTROL PANEL FOR SYS 1 POWER ELEMENTS FOR SYS 2 POWER ELEMENTS ORIGIN VIEW D D POWER PANEL MOUNTING 16 DIA...

Страница 98: ...m 2 m 2 m TECHNICAL DATA CLEARANCES NOTES 1 No obstructions allowed above the unit 2 Only one adjacent wall may be higher than the unit 3 Adjacent units should be 10 feet 3 meters apart LD07011A FIG 3...

Страница 99: ...553 1 552 1 551 1 532 YCAS0138 1 552 1 551 1 532 1 531 1 552 1 551 1 532 1 531 YCAS0148 1 552 1 552 1 551 1 532 1 553 1 552 1 551 1 532 YCAS0158 1 552 1 552 1 551 1 532 1 553 1 552 1 551 1 532 YCAS017...

Страница 100: ...XX ALUMINUM BLACK FIN NEOPRENE MOUNT SELECTION VMC TYPE RD 4 See Table 1 60 Hz A B C D E F G H I J K L M N O P YCAS0098 4 RED 4 RED 4 BLK 4 RED 4 RED 4 BLK YCAS0118 4 RED 4 RED 4 BLK 4 RED 4 RED 4 BLK...

Страница 101: ...SOLATOR MOUNTING POSITIONS FIG 34 CP 2 XX ISOLATOR DETAILS LD01089 ISOLATOR MAX LOAD DEFL SPRING TYPE SIZE lbs kg in mm COLOR CP 2 26 1200 544 3 1 17 29 7 Purple CP 2 27 1500 680 4 1 06 26 9 Orange CP...

Страница 102: ...bs kg R RD R 3 BLACK 250 113 5 0 25 0 50 OR RED 525 238 3 6 3 12 7 RD 3 GREEN 750 340 5 GRAY 1100 499 4 R 4 BLACK 1500 681 0 0 25 0 50 OR RED 2250 1021 5 6 3 12 7 RD 4 GREEN 3000 1362 0 GRAY 4000 1816...

Страница 103: ...X AWMR 1 10 1 2 6 3 5 8 3 4 3 1 2 1 3 4 1 2 9 5 8 8 1 2 4 1 4 10 1 2 3 4 50 553 11NC 5 8 AWMR 2 15 6 3 3 4 1 7 1 2 3 3 4 1 2 9 1 2 5 8 14 1 2 7 1 4 17 3 4 50 553 10NC 5 8 DIMENSIONS In ISOLATOR MAX LO...

Страница 104: ...859 796 733 6 436 YCAS0138 899 821 743 666 855 781 707 633 6 105 YCAS0148 886 831 776 722 931 873 816 758 6 593 YCAS0158 884 827 770 714 929 870 810 750 6 553 YCAS0178 896 840 785 729 936 878 820 762...

Страница 105: ...2 2 32 2 32 COPPER FINS OR ALUMINUM FIN WITH OPTIONAL SILENCER KIT NEOPRENE MOUNT SELECTION VMC TYPE RD 4 See Table 1 60 Hz A B C D E F G H I J K L M N O P YCAS0098 4 GRN 4 RED 4 RED 4 GRN 4 RED 4 BLK...

Страница 106: ...8 928 885 843 800 887 846 805 765 6 758 YCAS0148 918 896 875 853 960 938 915 893 7 246 YCAS0158 916 892 869 845 958 933 909 884 7 206 YCAS0178 927 905 883 860 966 942 919 896 7 299 YCAS0198 943 973 1...

Страница 107: ...32 CP 4 XX COPPER FINS WITH OPTIONAL SILENCER KIT NEOPRENE MOUNT SELECTION VMC TYPE RD 4 See Table 1 60 Hz A B C D E F G H I J K L M N O P YCAS0098 4 GRN 4 RED 4 RED 4 GRN 4 RED 4 BLK YCAS0118 4 GRN...

Страница 108: ...solator 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 Complete pipin...

Страница 109: ...e 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 recircul...

Страница 110: ...RE SENSOR TEMPERATURE SENSOR REPLACEABLE CORE FILTER DRYER SIGHT GLASS FLOW SWITCH option PRESSURE SWITCH ELECTRIC HEATER COMP COMPRESSOR CDR CONDENSER COIL CLR COOLER OC OIL COOLER COIL OS OIL SEPARA...

Страница 111: ...IL 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 R...

Страница 112: ...CONOMIZER 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 I...

Страница 113: ...113 JOHNSON CONTROLS FORM 201 18 NM7 COMPRESSOR COMPONENTS CONT D FIG 40 COMPRESSOR COMPONENTS LD03669 7...

Страница 114: ...114 JOHNSON CONTROLS COMPRESSOR COMPONENTS CONT D FIG 41 COMPRESSOR COMPONENTS LD03670 Technical Data...

Страница 115: ...JOHNSON CONTROLS FORM 201 18 NM7 COMPRESSOR COMPONENTS CONT D FIG 42 COMPRESSOR COMPONENTS LD05289 LD06079 022 09711 000 LEVEL I Original MALE ROTOR RELIEF VALVE DISCHARGE CHECK VALVE LEVEL II Improve...

Страница 116: ...EARING 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 BEARING...

Страница 117: ...18 NM7 COMPRESSOR COMPONENTS CONT D FIG 44 COMPRESSOR COMPONENTS O RING MOTOR ROTOR MALE ROTOR LOCKING KEY MALE ROTOR FEMALE ROTOR O RING RELIEF VALVE ECONOMIZER PLUG SUPPORT RINGS LD03672 SLIDE VALV...

Страница 118: ...y in their respective wells and are coated with heat conductive compound 14 Assure that evaporator TXV bulbs are strapped onto the suction lines at 4 or 8 o clock positions 15 Assure that the 15 ton e...

Страница 119: ...o processor Board is in the ON position Top 2 pins 8 Set the Time and Date 9 Program the Daily Schedule start and stop times Panel Checks Power ON Both System Switches OFF 1 Apply 3 phase power and ve...

Страница 120: ...ation 1 Place the System Switches on the Microproces sor Board to the ON position 2 The compressor will start and a flow of re frigerant will be noted in the sight glass After several minutes of opera...

Страница 121: ...cord the suction temperature suction pressure suction pressure converted to temperature and superheat of each system below Normally the thermal expansion valve need not be adjusted in the field If how...

Страница 122: ...well as fault history data from recent safety shutdowns 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 operate...

Страница 123: ...frigerant systems are provided 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...

Страница 124: ...f 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 approximately...

Страница 125: ...ontrol power from System 1 for control system circuitry servicing specifically the 115VAC feed to Relay Output Board 1 which energizes contactors and solenoids CB2 allows removal of control power from...

Страница 126: ...switches are set at the factory according to motor specifications The module also provides phase rotation protection to assure the screw compressor does not rotate backwards A single phase protection...

Страница 127: ...127 JOHNSON CONTROLS FORM 201 18 NM7 FIG 45 MOTOR PROTECTION MODULE SIDE VIEW 29119A 29121A TOP VIEW TOP VIEW SIDE VIEW 29121A 29120A DISPLAY SWITCH PUSHED TO LEFT INDICATES ON ON 8...

Страница 128: ...el The duration of the contact closure will determine the amount of adjustment Generally this input is used for purposes of demand limit and operates as follows Closing the input contact for a defined...

Страница 129: ...set 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 the...

Страница 130: ...ump 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 Sys...

Страница 131: ...RAPH OF 60 HZ MODEL LOGIC SECTION FIG 47 LOGIC SECTION LAYOUT ITEM 1 2 3 4 5 6 7 DESCRIPTION Microprocessor Board Back of Keypad I O Expansion Board 1 Power Supply Board Relay Output Board 1 Relay Out...

Страница 132: ...on 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 temperature is equal to or les...

Страница 133: ...system Run Status is not available 1 21 LEAD LAG COMPRESSOR SELECTION The chiller may be set up for AUTO or MANUAL Lead Lag This is accomplished by programming the option under the Program Key Detail...

Страница 134: ...are described in detail below with examples of each display In each example is used as applicable to represent the system number where messages apply to individual systems 2 2 GENERAL STATUS MESSAGES...

Страница 135: ...ot 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 loading sequence has...

Страница 136: ...a compressor motor current has reached a programmable Bas or remote limit and the system is being unloaded to assure that motor current does not become excessively high causing a fault see also Secti...

Страница 137: ...G H A M B I E N T T E M P U N I T F A U L T L O W L I Q U I D T E M P U N I T F A U L T 1 1 5 V A C U N D E R V O L T A G E temperature on a system has dropped to 29 F 2 C and that any further tempera...

Страница 138: ...t be manually reset See Section 8 2 page 162 Flow Switch Open Closure of the flow switch es is monitored to check that flow is present in the evaporator when a compressor is running Any external cycli...

Страница 139: ...3 minutes of operation Oil pressure must be less than 65 PSID 4 4 bar for R22 models as long as the compressor continues to run Low Oil Differential Pressure Cutout The Low Oil Pressure Differential...

Страница 140: ...rammed 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 the suction pressure fa...

Страница 141: ...ors shutting down the compressor Auto restart will not occur since manual reset is required Afault lockout will automatically occur after the micro attempts 2 more starts with the MP con tacts open Ma...

Страница 142: ...a about the operation of the chiller This is particularly useful during commissioning mon itoring the operation of the chiller diagnosing potential future problems and service troubleshooting When a D...

Страница 143: ...displays are as follows where is the appropriate system number The Cooler Inlet Temp display will only appear if the chiller is selected for R407C Temperatures and pressures are either measured direct...

Страница 144: ...B I E N T C O N T R O L S T A N D A R D 3 5 MOTOR CURRENT KEY Pressing the Motor Current key displays compressor current for each system This display shows the average motor current in amps and avera...

Страница 145: ...is YCAS S 1 2 A M B I E N T C O N T R O L L O W A M B I E N T S 1 3 R E F R I G E R A N T R 4 0 7 C S 1 3 R E F R I G E R A N T R 2 2 8 SWITCH 5 Motor Current Averaging Open S 1 5 M O T O R C U R R E...

Страница 146: ...ly 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 under that key once E g pressing the Funct...

Страница 147: ...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 settings The History key provides a compreh...

Страница 148: ...sign indicates falling temperature No sign indicates rising temperature This message advises which system is programmed as the lead This message indicates the position of the optional auxiliary contac...

Страница 149: ...IG DISCHARGE PRESSURE 131 PSIG OIL PRESSURE 130 PSIG SUCTION TEMPERATURE 68 4 DEGF DISCHARGE TEMPERATURE 68 8 DEGF OIL TEMPERATURE 68 8 DEGF SAT SUCTION TEMP 71 8 DEGF SUCTION SUPERHEAT 3 4 DEGF SAT D...

Страница 150: ...down 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 remote pr...

Страница 151: ...A D L A G C O N T R O L A U T O M A T I C L C H L T 4 4 1 F R C H L T 5 2 9 F M C H 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 an...

Страница 152: ...4 7 F S U C T S H E A T 6 5 F S S A T D S C H 1 2 9 F D S C H S H E A T 8 4 F S Y S S V S T E P 4 0 S Y S C O O L E R I N L E T R E F R I G T E M P 2 8 2 F S Y S L L S V I S O N E C O N T X V S O L I...

Страница 153: ...EMP 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 COMPRESSORS STATUS OFF RUN TIME 0 0 0 0 D H M S MOTOR CUR...

Страница 154: ...y 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 t...

Страница 155: ...o maintain 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 compressor slide valve to adjust the ca...

Страница 156: ...indicates that the compressor is fully loaded However due to the non exact movement of the mechanism a position less than 75 possibly 60 could also mean that the compressor is fully loaded Keep this p...

Страница 157: ...ese circumstances the two systems will not appear to equalize loading Compressor Unloading and Shutdown Sequence Whenever temperature is below the Setpoint unload ing pulses will be sent to open the u...

Страница 158: ...tpoint upward by up to 40 F 22 C above the setpoint pro grammed in memory see Section 1 7 The maximum allowable reset must be programmed into memory and can be a value of 2 to 40 F 1 to 22 C depending...

Страница 159: ...play 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 intern...

Страница 160: ...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 The...

Страница 161: ...n 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 following status message will be observed M A N U...

Страница 162: ...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 operating parameters including cutout points for safeties antici pa...

Страница 163: ...gerant 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...

Страница 164: ...the pro grammed 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 Enter key to sto...

Страница 165: ...current 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 ambie...

Страница 166: ...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 A M O...

Страница 167: ...quirements are met For example if a system is at fan stage 4 and the DP falls below 180 PSIG and the OAT drops below 75 F the fan stage will be reduced to stage 3 EPROM Versions C A32 09 02 0483 C ACS...

Страница 168: ...6M 231 14 Y 3 6 250 PSIG 180 PSIG 70 F 17M 232 10 S 4 2 6 265 PSIG 195 PSIG 75 F 15M 17M 230 232 10 15 5 4 6 280 PSIG 210 PSIG 80 F 16M 17M 231 232 10 14 2 6 2 4 6 290 PSIG 220 PSIG 85 F 15M 16M 17M 2...

Страница 169: ...INUE CONTINUE CONTINUE CONTINUE CONTINUE CONTINUE CONTINUE DP 285 FANS OFF FAN LOAD UNLOAD TIMER 15 MIN FAN CONTROL TIMER 5 SEC TURN ON NEXT FAN STAGE FAN CONTROL TIMER 5 SEC FAN CONTROL TIMER 5 SEC T...

Страница 170: ...enserfanOFFconditionsaregovernedbyboththeDP and OAT Fan staging will be decreased from the highest fan stage reached if both the DP and OAT requirements are met For example if a system is at fan stage...

Страница 171: ...ng section for courses of action Refrigerant Leaks Visually check the heat exchangers compressors and pipework for damage and gas leaks Airflow obstructions Check the air cooled condenser coil intakes...

Страница 172: ...tion 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 Temperatu...

Страница 173: ...1 X Check compressor and cooler heaters for operation X Sample compressor oil and replace oil if necessary 1 X Leak check the chiller 1 X Disconnect power source and lock out Check tightness of power...

Страница 174: ...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 175: ...rts required All requests 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 pl...

Страница 176: ...d 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 progra...

Страница 177: ...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 178: ...nsors Temperature Resistance Voltage F C ohms VDC 32 0 163250 0 282 50 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...

Страница 179: ...nless specifically agreed to in the contract documents this warranty does not include the following costs and expenses 1 Labor to remove or reinstall any equipment mate rials or components 2 Shipping...

Страница 180: ...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 181: ...181 JOHNSON CONTROLS FORM 201 18 NM7 NOTES...

Страница 182: ...182 JOHNSON CONTROLS This page intentionally left blank...

Страница 183: ...183 JOHNSON CONTROLS FORM 201 18 NM7 This page intentionally left blank...

Страница 184: ...ennsylvania USA 17349 1 800 524 1330 Subject to change without notice Printed in USA Copyright by Johnson Controls 2020 www johnsoncontrols com ALL RIGHTS RESERVED Form 201 18 NM7 1020 Issue Date Octo...

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