York YS Owner's Manual
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York YS Owner's Manual

Model ys rotary screw liquid chillers design level e
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FORM 160.80-EG1 (808)
Model YS Rotary Screw Liquid Chillers
Design Level E
100 thru 675 tons
(315 thru 2375 KW)
Rated in Accordance
r-22 and r-134a
with the latest edition of ARI
STANDARD 550/590

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  • Page 1 FORM 160.80-EG1 (808) Model YS Rotary Screw Liquid Chillers Design Level E 100 thru 675 tons (315 thru 2375 KW) Rated in Accordance r-22 and r-134a with the latest edition of ARI STANDARD 550/590...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS pAGe INTRODUCTION ............RATINGS ............... OpTIVIew CONTROL CeNTeR ........LIST OF TABLES MeCHANICAL SpeCIFICATIONS ........ 13 ACCeSSORIeS & MODIFICATIONS ......17 TABLe pAGe UNIT COMpONeNTS ........... 19 water Flow Rate Limits....20 AppLICATION DATA ............. 20 DIMeNSIONS – STD ............. 28 Motor Voltage Variations ....

  • Page 3: Introduction

    FORM 160.80-EG1 (808) Introduction The YORK Millennium YS Chiller offers a complete com- Insurance companies that offer policies on large air condi- bination of features for total owner satisfaction. tioning equipment often consider air-cooled motors a sig- nificant advantage over hermetic refrigerant cooled units.

  • Page 4: Ratings

    ARI CERTIFICATION PROGRAM perform efficiently at lower loads and lower tower water The performance of YORK Millennium chillers is certified temperatures. It is not uncommon for chillers with the to the Air Conditioning and Refrigeration Institute (ARI)

  • Page 5: Optiview Control Center

    During the Start Sequence and System Lockout Delay, the system status will include a countdown timer indicating the The YORK OptiView Control Center, furnished as standard time remaining. The control panel is compatible with the on each chiller, provides the ultimate in efficiency, monitor- YORK Solid State Starter (optional), electro-mechanical ing, data recording, chiller protection and operating ease.
  • Page 6 • Chilled Liquid Temperature – Setpoint chillers will load and unload to maintain a leaving chilled • evaporator pressure liquid setpoint. when the YORK YS chiller operates in the thermal storage control mode, the unit will remain at 100% • evaporator Saturation Temperature load until the setpoint shutdown temperature is reached.
  • Page 7 FORM 160.80-EG1 (808) The EVAPORATOR screen displays a cutaway view of The CONDENSER screen displays a cutaway view of the the chiller evaporator. All setpoints relating to the evapo- chiller condenser. The liquid flow is animated to indicate rator side of the chiller are maintained on this screen. flow through the condenser.
  • Page 8 Display Only: 1. The MOTOR “soft” key on the HOMe screen, when • Slide Valve position pressed, shows a picture of either a YORK electro- • Return Chilled Liquid Temperature Mechanical Starter or a Solid State Starter, depending on chiller configuration. The Programmable pulldown •...
  • Page 9 FORM 160.80-EG1 (808) time period control over four hours, and verification of ing, they can all be found on this screen. This screen also time remaining in pulldown cycle from display readout. serves as a gateway to a sub-screen for defining the setup Separate digital setpoint for current limiting between of general system parameters.
  • Page 10 • exception Start/Stop Times • panel Serial Number • Schedule (enable/Disable) • Chiller Serial Number • Repeat Sunday Schedule • YORK Order Number • Standard week Start/Stop Times • System Information • Reset All exception Days • Condenser and evaporator Design Load Information •...
  • Page 11 FORM 160.80-EG1 (808) Display Only: • Data point Min (1 - 6) • Data point Max (1 - 6) • History printout The TREND COMMON SLOTS screen displays the Mas- Programmable: ter Slot Numbers List of the monitored parameters. • page Up •...
  • Page 12 OptiView Control Center - continued warning Messages include: • Low phase (X) Temperature Sensor • Real Time Clock Failure • Run Signal • Setpoint Override • Invalid Current Scale Selection • Condenser – High pressure Limit • phase Locked Loop •...

  • Page 13: Mechanical Specifications

    10% of full load. The slide valve is actuated by oil pressure, General controlled by external solenoid valves via the OptiView Control Center. The YORK Millennium YS Rotary Screw Chiller is com- pletely factory-packaged, including evaporator, condenser, sub-cooler, oil separator, compressor, motor, lubrication Oil Separator system, control center and refrigerant isolation valves.
  • Page 14 REFRIGERANT FLOw CONTROL accordance with ASMe Boiler and pressure Vessel Code, Section VIII – Division I, or other pressure vessel code The YS Chiller is equipped with a refrigerant metering as appropriate. device consisting of a fixed orifice and bypass solenoid...
  • Page 15 FORM 160.80-EG1 (808) REFRIGERANT ISOLATION 1. System operating information including: • Return and Leaving Chilled water Temperature The condenser shell serves as a refrigerant receiver to store the system charge during servicing. Manually • Return and Leaving Condenser water Tem operated isolation valves are located at the inlet and perature outlet of the condenser.
  • Page 16 Mechanical Specifications - continued • evaporator – Transducer or Temperature Sen- • Control panel – Schedule 6.1 Cycling shutdowns with a Solid State Starter (LCSSS) • Condenser – High pressure Contacts Open include: • Condenser – High pressure • Initialization Failed •...
  • Page 17 The entire assembly has been thoroughly leak tested at the factory • ASMe Boiler and pressure Vessel Code – Section prior to shipment. The YORK chiller includes service Vlll Division 1. valves conveniently located to facilitate transfer of refrig- •...

  • Page 18: Accessories & Modifications

    Accessories and Modifications SOLID STATE STARTER optional ISN translator. ISN translator also allows BAS system to issue commands to the chiller to control its The Solid State Starter is a reduced voltage starter that operation. ISN translators come in two models, controlling controls and maintains a constant current flow to the motor up to four chillers and eight chillers respectively.
  • Page 19 FORM 160.80-EG1 (808) STARTER – FIELD INSTALLED KNOCK-DOwN SHIPMENT A field installed, electro-mechanical compressor motor The chiller can be shipped knocked-down into major starter is available, selected for proper size and type for assemblies (evaporator, condenser, driveline, etc.) as job requirements and in accordance with Johnson Controls required to rig into tight spaces.

  • Page 20: Unit Components

    Unit Components ����� ���������� �������� ���� ������� ����� �������������� �������� ������ ������ ��������� ����� ���������� JOHNSON CONTROLS...
  • Page 21 FORM 160.80-EG1 (808) OIL SepARATOR MOTOR TeRMINAL 29040A CONDeNSeR REAR VIEw JOHNSON CONTROLS...

  • Page 22: Application Data

    Application Data The following is a user’s guide in the application and Sufficient clearance to permit normal service and mainte- installation of Millennium Chillers, and will ensure the reli- nance work should be provided all around and above the ability and trouble-free life for which this equipment was unit.
  • Page 23 FORM 160.80-EG1 (808) and initial chiller selections should be made accordingly to Connections – The standard chiller is designed for 150 permit proper range of flow while maintaining the minimum psig (1034 kpa) design working pressure in both the velocity noted above. Variable flow in the condenser is not chilled water and condenser water circuits.
  • Page 24 BRINE APPLICATIONS valves that are sized for pressure vessel volume, each unit The YS Screw Chiller, utilizing the Frick Refrigeration com- is equipped with a rupture disk. This rupture disk is able pressor, is a good match for the high head requirements of to relieve the entire pumping capacity of the compressor low temperature brine applications.
  • Page 25 TABLE  – MOTOR VOLTAGe VARIATIONS Starters – The chiller is available with a factory-mounted and wired YORK Solid State Starter for 200 - 600 volt applications. Other types of remote mounted starters are Operating Voltage...
  • Page 26 The smallest motor available which equals or exceeds pacity. For YORK SSS, this wiring is done at the factory. For remote starters, the National Electrical Code defines the Input power (kw) from the chiller rating program is selected from Tables 3 and 4.
  • Page 27 FORM 160.80-EG1 (808) TABLE  – 60 HZ eLeCTRICAL DATA Sheet1 MOTOR CODE KW (MAX.) SHAFT HP 95.5 95.5 FL EFF. – % FL PF VOLTS 1043 1162 — — — — — — — 2702 3235 3235 3962 4732 5096 5689 6011...
  • Page 28 Application Data - continued TABLE 5 – 50 HZ eLeCTRICAL DATA Motor CodE shaFt hP FL EFF. – % 91.1 92.4 92.4 93.4 93.4 94.2 94.2 94.2 94.2 94.2 94.2 94.2 94.2 94.2 94.2 94.2 94.7 FL PF 0.86 0.86 0.86 0.86 0.86...
  • Page 29 FORM 160.80-EG1 (808) TABLE  – AVAILABLe COMpReSSOR/SHeLL/MOTOR COMBINATIONS (50 HZ, R-134a ONLY) CoMPrEssor CooLEr CondEnsEr Motor CodE CodE shELL shELL BA, BB BA, BB, CA, CB 5 CC, 5 CD CA, CB BA, BB, CA, CB BA, BB BA, BB, CA, CB 5 CC, 5 CD, CA, CB BA, BB, CA, CB...

  • Page 30: Dimensions - Std

    Dimensions – Std S0 - S COMPRESSOR R- & R-1a UNITS (50 and 60 Hz) s0 and s1 CoMPrEssor s2 CoMPrEssor s2 and s3 CoMPrEssor dIMEnsIon shELL CodEs (EVaPorator – CondEnsEr) 4’–2-7/8” 5’–2-1/2” 5’–2-1/2” 4’–6-3/4” 4’–6-1/4” 4’-6-3/4” 4’–6-1/4” 5’–3-3/4” 5’–3-3/4” 5’–8-5/8”...
  • Page 31 FORM 160.80-EG1 (808) S - S5 COMPRESSOR R- & R-1a UNITS (50 and 60 Hz) s4 CoMPrEssor s4 and s5 CoMPrEssor dIMEnsIon shELL CodEs (EVaPorator – CondEnsEr) 6’–2” 6’–2” 6’–2” 6’–4-1/2” 6’–6-1/2” 6’–9” 6’–9-7/8” 6’–9-7/8” 6’–9-7/8” 7’–0-3/8” 7’–3-5/8” 7’–2-5/8” 6’–3-3/8” 6’–3-3/8”...

  • Page 32: Compact Water Box Nozzle Arrangements

    Dimensions - Std - continued COMPACT wATER BOX NOZZLE ARRANGEMENTS R- & R-1a UNITS NOZZLE ARRANGEMENTS COOLER NOZZLE DIMENSIONS no. oF CooLEr Cond. noZZLE PassEs In-out In-out sIZE (In.) dIMEnsIons (In.) CooLEr no. oF PassEs CodE 11 3/4 14-3/4 17-3/4 19-1/2 12 3/4 13 7/8...

  • Page 33: Floor Layout

    FORM 160.80-EG1 (808) FLOOR LAYOUT – NEOPRENE ISOLATORS R- & R-1a UNITS shELL shELL LEnGth CoMPrEssor CodEs tuBE shEEt EVaPorator CondEnsEr (to outsIdE oF tuBE CooLEr-Cond. WIdth sIdE sIdE shEEts) 4’–2-7/8” 10’ 1-7/8” 2-1/2” s0, s1 5’–2-1/2” 10’ 1-7/8” 2-1/2” C-C, C-D 5’–2-1/2”...
  • Page 34 Dimensions – Std EVAPORATOR NOZZLE ARRANGEMENTS – MARINE wATER BOXES R- & R-1a UNITS 1-PASS 1-PASS MOTOR END COMPR. END MOTOR END COMPR. END -PASS -PASS MOTOR END COMPR. END MOTOR END COMPR. END -PASS -PASS COMPR. END COMPR. END MOTOR END MOTOR END dIMEnsIons (In.)
  • Page 35 FORM 160.80-EG1 (808) EVAPORATOR NOZZLE ARRANGEMENTS – MARINE wATER BOXES R- & R-1a UNITS MOTOR END COMPR. END 1-PASS & -PASS EVAPORATORS MOTOR END COMPR. END -PASS EVAPORATORS * Applies to compressor end if connections are on motor end. ** Applies to motor end if connections are on motor end. wEIGHTS EVAPORATORS NOZZLE SIZES (To be added to Standard Unit weights on pages 6-)
  • Page 36 Dimensions – Std - continued CONDENSER NOZZLE ARRANGEMENTS – MARINE wATER BOXES R- & R-1a UNITS 1-PASS 1-PASS COMPR. END COMPR. END MOTOR END MOTOR END -PASS -PASS MOTOR END COMPR. END MOTOR END COMPR. END dIMEnsIons (In.) 1-Pass 2-Pass CondEnsEr sIZE 15 1/2...
  • Page 37 FORM 160.80-EG1 (808) CONDENSER NOZZLE ARRANGEMENTS – MARINE wATER BOXES R- & R-1a UNITS MOTOR END COMPR. END 1-PASS MOTOR END COMPR. END -PASS * Applies to compressor end if connections are on motor end. ** Applies to motor end if connections are on motor end. wEIGHTS CONDENSER NOZZLE SIZES (To be added to Standard Unit weights on pages 6-)

  • Page 38: Weights - Std

    Weights – Std R- & R-1a UNITS rEFrIG- rEFrIG- rEFrIG- rEFrIG- shELL shIP- oPEr- shELL shIP- oPEr- CoM- Erant Erant CoM- Erant Erant CodE PInG atInG CodE PInG atInG PrEs- CharGE CharGE PrEs- CharGE CharGE EVaP. EVaP. (LBs. (LBs. (LBs. (LBs.
  • Page 39 FORM 160.80-EG1 (808) R- & R-1a UNITS 50 AND 60 HZ rEFrIG- rEFrIG- rEFrIG- rEFrIG- shELL shIP- oPEr- shELL shIP- oPEr- CoM- Erant Erant CoM- Erant Erant CodE PInG atInG CodE PInG atInG PrEs- CharGE CharGE PrEs- CharGE CharGE EVaP. EVaP (LBs.

  • Page 40: Dimensions - Metric

    Dimensions – Metric S0 - S COMPRESSOR R- & R-1a UNITS (50 and 60 Hz) DIMENSIONS (mm) s0 and s1 CoMPrEssor s2 CoMPrEssor s2 and s3 CoMPrEssor shELL CodEs (CooLEr – CondEnsEr) 1292 1292 1292 1292 1588 1588 1588 1588 1588 1588 1588...
  • Page 41 FORM 160.80-EG1 (808) S - S5 COMPRESSOR R- & R-1a UNITS (50 and 60 Hz) DIMeNSIONS (mm) s4 CoMPrEssor s4 and s5 CoMPrEssor shELL CodEs (EVaPorator – CondEnsEr) 1,880 1,880 1,880 1,943 1,994 2,057 a – tuBE shEEt WIdth 2,080 2,080 2,080 2,143...

  • Page 42: Compact Water Box Nozzle Arrangements

    Dimensions – Metric - continued COMPACT wATER BOX NOZZLE ARRANGEMENTS R- and R-1a UNITS NOZZLe ARRANGeMeNTS eVApORATOR NOZZLe DIMeNSIONS no. oF EVaPorator Cond. noZZLE PassEs In-out In-out sIZE (In.) dIMEnsIons (MM) EVaP. A - H P - Q CodE no. oF PassEs H - A Q - P E - B...

  • Page 43: Floor Layout

    FORM 160.80-EG1 (808) FLOOR LAYOUT – NEOPRENE ISOLATORS R- & R-1a UNITS shELL shELL LEnGth CoMPrEssor CodEs tuBE shEEt EVaP CondEnsEr (to outsIdE oF tuBE EVaP. - Cond. WIdth sIdE sIdE shEEts) 1292MM 3048MM 48MM 64MM s0, s1 1588MM 3048MM 48MM 64MM 1588MM...
  • Page 44 Dimensions – Metric - continued COOLER NOZZLE ARRANGEMENTS – MARINE wATER BOXES R- and R-1a UNITS 1-pASS 1-pASS MOTOR eND COMpR. eND MOTOR eND COMpR. eND 2-pASS 2-pASS MOTOR eND COMpR. eND MOTOR eND COMpR. eND 3-pASS 3-pASS MOTOR eND COMpR.
  • Page 45 FORM 160.80-EG1 (808) COOLER NOZZLE ARRANGEMENTS – MARINE wATER BOXES R- & R-1a UNITS COMpR. eND MOTOR eND 1-pASS & 3-pASS COOLeRS MOTOR eND COMpR. eND 2-pASS COOLeRS * Applies to compressor end if connections are on motor end. ** Applies to motor end if connections are on motor end. eVAp.

  • Page 46: Condenser Nozzle Arrangements

    Dimensions – Metric - continued CONDeNSeR NOZZLe ARRANGeMeNTS – MARINe wATeR BOXeS R-22 & R-134a UNITS 1-pASS 1-pASS COMpR. eND MOTOR eND COMpR. eND MOTOR eND 2-pASS 2-pASS MOTOR eND COMpR. eND MOTOR eND COMpR. eND DIMeNSIONS (mm) 1-Pass 2-Pass CondEnsEr sIZE —...
  • Page 47 FORM 160.80-EG1 (808) CONDENSER NOZZLE ARRANGEMENTS – MARINE wATER BOXES R- & R-1a UNITS MOTOR eND COMpR. eND 1-PASS MOTOR eND COMpR. eND -PASS * Applies to compressor end if connections are on motor end. ** Applies to motor end if connections are on motor end. CONDENSER NOZZLE SIZES wEIGHTS (To be added to Metric Unit weights on pages 6-...

  • Page 48: Weights - Metric

    Weights – Metric - continued R-22 & R-134a UNITS 50 AND 60 HeRTZ ReFRIG- ReFRIG- ReFRIG- SHeLL SHIp- OpeR- ReFRIG- COM- eRANT eRANT SHeLL SHIp- OpeR- CODe pReS- pING ATING CHARGe CHARGe COM- eRANT eRANT CODe pING ATING CHARGe COOLeR SOR pReS- (Kgs.
  • Page 49 FORM 160.80-EG1 (808) R-22 & R-134a UNITS 50 AND 60 HeRTZ ReFRIG- ReFRIG- ReFRIG- ReFRIG- SHeLL SHIp- OpeR- SHeLL SHIp- OpeR- COM- eRANT eRANT COM- eRANT eRANT CODe pReS- pING ATING CHARGe CHARGe CODe pReS- pING ATING CHARGe CHARGe COOLeR SOR COOLeR SOR (Kgs.

  • Page 50: Guide Specifications

    Furnish and install where indicated on the drawings rator removed (Form 3) or also with the shells separated YORK Millennium Rotary Screw Liquid Chilling Units(s). (Form 7) to allow rigging into the equipment room. All units each unit shall produce a capacity of...
  • Page 51 FORM 160.80-EG1 (808) All chillers shall be provided with a single oil filter hous- Evaporator shall be of the shell-and-tube, flooded type designed for 300 psig (2069 Kpa) working pressure on ing with isolation valves. An optional dual filter is avail- the refrigerant side.
  • Page 52 The chiller shall Refrigerant System have the capability to remain in the standard control mode The YS chiller is equipped with a refrigerant metering for temperatures between 20 to 70°F (-6.7 to 21.1°C) for applications involving a process cooling duty that requires device consisting of a fixed orifice and solenoid valve leaving chilled liquid temperature setpoint control.
  • Page 53 FORM 160.80-EG1 (808) g. Start inhibit h. phase rotation 4. The text displayed within the system status and 6. Cycling shutdowns enunciated through the display system details field shall be displayed as a color and the status bar, and consisting of system status, coded message to indicate severity: red for safety system details, day, time, cause of shutdown, and fault, orange for cycling faults, yellow for warnings,...
  • Page 54 Guide Specifications- continued and service. Standard features include: digital readout at the OptiView Control Center of the following: 8. Trending data with the ability to customize points of Display Only: once every second to once every hour. The panel shall trend up to 6 different parameters from a list of •...
  • Page 55 FORM 160.80-EG1 (808) START-UP AND OPERATOR TRAINING The chiller manufacturer shall include the services of a factory-trained, field service representative to supervise the final leak testing, charging and the initial start-up and concurrent operator instruction. JOHNSON CONTROLS...

  • Page 56: Metric Conversion Tables

    Metric Conversion Tables MeASUReMeNT MULTIpLY THIS TO OBTAIN THIS eNGLISH VALUe MeTRIC VALUe CApACITY TONS ReFRIGeRANT eFFeCT (ton) 3.516 KILOwATTS (kw) pOweR KILOwATTS (kw) NO CHANGe KILOwATTS (kw) HORSepOweR (hp) 0.7457 KILOwATTS (kw) FLOw RATe GALLONS / MINUTe (gpm) 0.0631 LITeRS / SeCONDS (L/s) LeNGTH FeeT (ft)

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