Johnson Controls York YCAV1039-1909 Installation Operation & Maintenance
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Johnson Controls York YCAV1039-1909 Installation Operation & Maintenance

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AIR-COOLED SCREW
LIQUID CHILLERS
INSTALLATION, OPERATION, MAINTENANCE
Supersedes 201.21-NM4 (315)
Form 201.21-NM4 (616)
035-20995-000
MODELS YCAV1039-1909, 50 HZ
STYLE A
(960-1815KW)
E/V HIGH EFFICIENCY AND S/P STANDARD EFFICIENCY
AIR-COOLED SCREW LIQUID CHILLERS
50075B
R-134a
Issue Date:
June 30, 2016

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Summary of Contents for Johnson Controls York YCAV1039-1909

  • Page 1 AIR-COOLED SCREW LIQUID CHILLERS INSTALLATION, OPERATION, MAINTENANCE Supersedes 201.21-NM4 (315) Form 201.21-NM4 (616) 035-20995-000 MODELS YCAV1039-1909, 50 HZ STYLE A (960-1815KW) E/V HIGH EFFICIENCY AND S/P STANDARD EFFICIENCY AIR-COOLED SCREW LIQUID CHILLERS 50075B R-134a Issue Date: June 30, 2016...
  • Page 2 All wiring must be in accor- dance with Johnson Controls’ published specifications and must be performed only by a qualified electrician. Johnson Controls will NOT be responsible for damage/problems resulting from improper connections to the controls or application of improper control signals.
  • Page 3 FORM 201.21-NM4 (616) CHANGEABILITY OF THIS DOCUMENT In complying with Johnson Controls’ policy for con- regarding the applicability of these documents, rig- tinuous product improvement, the information con- ging, lifting, and operating/service personnel should tained in this document is subject to change without verify whether the equipment has been modified and notice.

  • Page 4: Table Of Contents

    Remote Run/Stop ..........35 SERVICE VALVE OPTION ........20 Remote Print ............35 UNIT ENCLOSURES ..........20 Optional Remote Setpoint Offset Temp....35 FANS .................20 Optional Remote Setpoint Offset Current ....35 SOUND REDUCTION OPTIONS ......20 Optional Remote Setpoint Offset Sound Limit ..35 JOHNSON CONTROLS...
  • Page 5 WIRING DIAGRAMS - 3 COMPRESSOR.....56 CHILLER CONFIGURATION JUMPERS ....164 WIRING DIAGRAMS - 4 COMPRESSOR.....68 Number of Compr. Configuration Jumpers ..164 DIMENSIONS ............84 VSD LOGIC TO CHILLER MICROPROCESSOR BOARD RS-485 COMMUNICATION TECHNICAL DATA (CLEARANCES) ....116 CONFIGURATION JUMPERS ......164 MAX VSD FREQUENCY ........165 JOHNSON CONTROLS...
  • Page 6 UNIT WARNINGS ..........208 EVACUATING A SYSTEM ........294 UNIT SAFETIES ............212 WARRANTY POLICY ...........295 SYSTEM SAFETIES..........214 New Equipment ..........295 STATUS KEY ............220 Reconditioned or Replacement Materials...295 UNIT DATA KEY ...........224 All Warranties are VIOD if .........295 SYSTEM DATA KEY ..........226 JOHNSON CONTROLS...
  • Page 7 Table 13 - Low Differential Oil Pressure Cutout ...216 Table 33 - Motor Temperature Sensor Resistance ..299 Table 14 - Start Inhibit Sensor Thresholds ....218 Table 34 - Compressor Motor Overload Settings & Table 15 - Sensor Min./Max. Outputs .....228 Max. VSD Frequency ......300 JOHNSON CONTROLS...
  • Page 8 Fig 42 - Standard IPLV Fan Control .......186 Microgateway, and Optional Fig 43 - High IPLV Fan Control ......187 Circuit Breaker ..........131 Fig 44 - Print Cable Chiller to Serial Printer ..301 Fig 18 - Chiller Control Board, Relay Boards, and Microgateway ..........132 JOHNSON CONTROLS...

  • Page 9: Section 1 - General Chiller Information & Safety

    All warranty claims must specify the unit model, serial number, order number and run hours/starts. Model and serial number information is printed on the unit identi- YORK YCAV1039-1909 chillers are manufactured to the highest design and construction standards to ensure fication plate.

  • Page 10: Responsibility For Safety

    A NOTE is used to highlight additional information, potential hazards and precautions necessary for safe which may be helpful to you but where there are no operation and maintenance of equipment containing special safety implications. high temperatures, pressures and voltages. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 11: Pressure Systems

    In case of emergency, the control panel is fitted with a Unit Switch to stop the unit in an emergency. When operated, it removes the low voltage 120 VAC electri- cal supply from the inverter system, thus shutting down the unit. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 12: Section 2 - Product Description

    All exposed power wiring is routed through liquid-tight, ing parts and are rated for a 405 PSIG design working non-metallic conduit. pressure. Oil cooling is accomplished by routing oil from the oil separator through several rows of tubes in the air cooled condenser. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 13: Compressor

    The 4 pole motor operates at speeds up to 6000 RPM to direct drive the male rotor, which in turn drives the female rotor on a light film of oil. LD10482 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 14: Evaporator

    Water vent and drain connections are included. The cooler is equipped with a thermostatically con- trolled heater for protection to -20°F (-29°C) ambient and insulated with 3/4” (19 mm) flexible closed-cell insulation. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 15: Condensor

    250 PSIG relief valve is located on the suction economizer solenoid is OFF, the liquid level will vary line of the compressor near the evaporator. greatly as the Drain and Feed Valves directly affect the level as they open and close. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 16: Oil Cooling

    Unit operating software is stored in non-volatile electrical cabinet. memory. Field programmed setpoints are retained in lithium battery backed real time clock (RTC) memory for 10 years. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 17: Display

    Separate system switches for con- unload timers, and chilled water pump. trolling each system are provided as part of the chiller control panel keypad. • “Out of range” message. • Up to 10 fault shutdown histories. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 18: Variable Speed Drive (Vsd)

    VSD Logic board. The inverter section is actually composed of two LD10480 FIG. 2 - PWM VOLTAGE WAVEFORM to four identical inverter output phase assemblies. These assemblies are in turn composed of 3 pairs of Insulated JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 19: Accessories & Options

    VSD logic board. It provides except: strong alkalis, oxidizers, and wet bromine, the means to sense the positive, midpoint and negative chlorine, and fluorine in concentrations greater than connection points of the VSD’s DC link without apply- 100 PPM. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 20: Dx Cooler Options

    Compressor Blankets – Acoustic compressor sound Flow Switch Accessory – Johnson Controls model blankets are optional to reduce compressor noise. F61MG-1C Vapor-proof SPDT, NEMA 4X switch, 150 PSIG (10 bar) DWP, -20°F to 250°F (-29°C to 121°C),...

  • Page 21: Unit Nomenclature

    A = R134 V = VARIABLE SPEED DRIVE UNIT DESIGNATOR E- High Efficiency / High Ambient MODEL NUMBER S- Standard Efficiency P- Standard Efficiency / Optimized IPLV V- High Efficiency / High Ambient / Optimized IPLV JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 22: Product Identification Number

    MP Supply TB MP Circuit Breaker w/Lockable Handle MP Supply TB w/Indiv. Sys Disc. Switches POWER - Con't Power Fld (PIN 16, 17) MP Circuit Breaker w/Lockable Handle & Indiv. Sys. Disconnect Switches Special Power Option JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 23 Water Temp (PIN 29, 30) Thermal Storage Special LWT requirements No Chicago Code Kit required Chicago Code Kit required CHICAGO Chicago Code Kit (PIN 31) Service Isolation Valve Both Isolation Valve and Chicago Code Special Chicago Code Kit required JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 24 Wire (Full Unit) Encl Panels (factory) Wire (Full Unit) Encl Panels (field) Wire/Louvered Encl Panels (factory) PANEL Enclosure Panels (PIN 48) Wire/Louvered Encl Panels (field) Louvered (cond only) Encl Panels (factory) Louvered (cond only) Encl Panels (field) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 25 PIN58 PIN 58 Special quote No option required PIN59 PIN 59 Special quote No option required PIN60 PIN 60 Special quote Plant of Mfg (PIN 61) Plant of Manufacture - Monterrey Monterrey Mfg Location San Antonio JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 26: Section 3 -Rigging, Handling And Storage

    • Do not store where exposed to high ambient air Major damage must be reported immediately to your temperatures that may exceed relief valve set- local Johnson Controls representative. tings. Refer to Long-Term Storage Requirement - Field Preparation (Form 50.20-NM7).

  • Page 27: Moving The Chiller

    Use only the lifting holes provided. complete the removal from the container then lift up and away. Lifting Instructions are placed on a label on the chiller and on the shipping bag. LD19197a JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 28: Unit Rigging

    Any options selected may add weight to the unit and affect the center of gravity. Locate the center of gravity through trial lifts to account for possible variations in unit configuration. Contact your nearest Johnson Controls Sales Office for weight data. LD11476 MODEL...

  • Page 29: Location Requirements

    The channels should be spaced with the same centers as the unit side and front base rails. This will allow vibration isolators to be fitted if required. Isolators are recom- mended for rooftop locations. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 30: Location Clearances

    Using the Isolator tables shipped with the unit in the information pack, refer to the Dimension Section (Pages 84-115), Weight Distribution and Isolator Mounting Position Section (Pages 117-121) and Isolator types (Pages 122-126). Identify each mount and its correct location on the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 31 If there is a potential must be used if the unit is mounted on anti-vibration for power loss, Johnson Controls recommends that the mounts, as some movement of the unit can be expected evaporator is drained or that water in the chilled water in normal operation.

  • Page 32: Water Treatment

    -Isolating Valve - Normally Open -Isolating Valve - Normally Closed -Flow Regulating Valve -Flow Measurement Device -Strainer -Pressure Tapping -Flow Switch LD10507 -Flanged Connection WELD FLANGE VICTAULIC ADAPTER -Pipework FIG. 3 - PIPEWORK ARRANGEMENT LD10495 FIG. 5 - FLANGE ATTACHMENT JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 33: Refrigerant Relief Valve Piping

    If these precautions are not followed it could lead to a risk of electrocution. In addition, electrical noise could cause malfunctions or damage the unit and its controls. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 34: Power Wiring

    R/C suppressor. The above precautions must be taken to avoid electrical noise, which could cause a malfunction or damage to the unit and its controls. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 35: Volts Free Contacts

    System 1/3 remote dry contacts are connected between Terminals 2 and 15 of 1TB and System 2/4 dry contacts are connected between Terminals 2 and 16 of 1TB (see FIG. 22, Page JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 36: Section 5 - Commissioning

    (wire, metal chips, etc.) and clean out if required. excessive thermal stress at the charging point. Once the vacuum is broken, charge into the condenser coils with the full operating charge as given in the Technical Data Section. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 37: Power Connections

    Ensure the leaving liquid temperature sensor is coated with heat conductive compound (Part No. 013-00890- the System Start-up Checklist (Page 000) and is inserted to the bottom of the water outlet 148) is completed. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 38: Interlocks

    35% Once the unit has been started, all operations are fully with a clear sight glass. automatic. After an initial period at minimum capacity, the control system will adjust the unit load depending JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 39: Condensor & Fan Rotation

    ‘ON’ position and restart the unit. Assure all checks are completed in the EQUIPMENT START-UP CHECK SHEET (Pages 148 -153). The chiller is then ready to be placed into operation. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 40: Section 6 - Technical Data

    (SI) Pressure Drop Through 3 and 4 Circuit YCAV Evaporators 1000 10.0 100.0 Water Flow Rate (l/s) COOLER YCAV MODELS 1039EA/VA 1039SA/PA 0969EA/VA 1429SA/PA 1309EA/VA 1309SA/PA 1169EA/VA 1139SA/PA 1649SA/PA 1549SA/PA 1429EA/VA 1909SA/PA 1829SA/PA 1739SA/PA 1739EA/VA 1549EA/VA JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 41: Glycol Correction Factors

    1.05 rate allowed. A= Correction Factor PROPYLENE GLYCOL B= Mean Temperature through Cooler C= Concentration W/W Excessive flow, above the max. GPM, will damage the evaporator. LD10500 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 42: Water Temp. And Flows

    -17.7 51.7 NOTES: 1. For leaving brine temperature below 40°F (4.4°C), contact your nearest YORK office for application requirements. 2. For leaving water temperature higher than 60°F (15.6°C), contact the nearest YORK office for application guidelines. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 43 FORM 201.21-NM4 (616) This page intentionally left blank. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 44: Physical Data

    893.3 1006.8 1006.8 1203.6 1203.6 1203.6 Maximum Water Side Pressure, Bar Maximum Refrigerant Side Pressure, Bar Minimum Chilled Water Flow Rate, l/sec. Maximum Chilled Water Flow Rate, l/sec. Water Connections, mm Optional 21 Bar Waterside available JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 45 764.6 893.3 893.3 1006.8 1203.6 1203.6 Maximum Water Side Pressure, Bar Maximum Refrigerant Side Pressure, Bar Minimum Chilled Water Flow Rate, l/sec. Maximum Chilled Water Flow Rate, l/sec. Water Connections, mm Optional 21 Bar Waterside available JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 46: Operating Limitations And

    TECHNICAL DATA FORM 201.21-NM4 (616) OPERATING LIMITATIONS AND SOUND DATA Contact Product Application Marketing for Sound Power Data. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 47: Electrical Data - Compr. Wiring

    STANDARD UNIT CONTROLS CONTROL TRANSFORMER EVAPORATOR HEATER CONTACTORS LINE REACTOR TERMINAL BLOCK See Note 3 INDIVIDUAL SYSTEM COMPESSOR SWITCHES (OPTION) FIELD PROVIDED UNIT POWER SUPPLY LD11442 FIG. 7 - SINGLE-POINT POWER SUPPLY CONNECTION WITH TERMINAL BLOCK JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 48: Fig 8 - Single Point Power Supply Connection

    BLOCK 1 INDIVIDUAL SYSTEM INDIVIDUAL SYSTEM COMPESSOR SWITCHES COMPESSOR SWITCHES (OPTION) See Note 3 (OPTION) TERMINAL BLOCK FIELD PROVIDED UNIT POWER SUPPLY LD11444 COMP COMP COMP COMP FIG. 9 - SINGLE-POINT POWER SUPPLY CONNECTION WITH TERMINAL BLOCK JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 49: Fig 10 - Multi-Point Power Supply Connection

    INDIVIDUAL SYSTEM COMPESSOR SWITCHES COMPESSOR SWITCHES See Note 3 (OPTION) (OPTION) FIELD PROVIDED FIELD PROVIDED UNIT POWER UNIT POWER SUPPLY SUPPLY LD11446 COMP COMP COMP COMP FIG. 11 - MULTI-POINT POWER SUPPLY CONNECTION WITH TERMINAL BLOCKS JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 50 RLA (6) Qty. KVA (8) KVA (8) (11) (Ea) (Ea) (Ea) (Ea) Block (Std) (Opt) 1549 30KA 65KA 1649 30KA 65KA 1739 30KA 65KA 1829 30KA 65KA 1909 30KA 65KA See page 54 for Electrical Data footnotes. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 51: W/Terminal Block (4 Compr)

    1600 1600 #1/0-750 KCM #1/0-750 KCM 1000 2000 1600 #1/0-750 KCM #1/0-750 KCM 1200 2000 1600 #1/0-750 KCM #1/0-750 KCM 1018 1200 2000 2000 #1/0-750 KCM #1/0-750 KCM 1057 1200 2000 2000 #1/0-750 KCM #1/0-750 KCM JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 52 RLA (6) Qty. RLA (6) Qty. RLA (6) Qty. KVA (8) KVA (8) (11) (EA) (EA) (EA) (EA) Block (STD) (OPT) 1429 30KA 65KA 1549 30KA 65KA 1739 30KA 65KA See page 54 for Electrical Data footnotes. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 53 Lug Wire Range Lugs/Phase (1) Lug Wire Range (MCA) (4) er Rating (5) Rating (2) Size (3) 1000 1600 1200 #1/0-750 KCM #1/0-750 KCM 1000 1600 1600 #1/0-750 KCM #1/0-750 KCM 1000 2000 1600 #1/0-750 KCM #1/0-750 KCM JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 54: Electrical Notes

    2. –– –– –– –– –– –– Dashed Line = Field Provided Wiring. 3. The above recommendations are based on the National Electric Code and using copper conductors only. Field wiring must also comply with local codes. Group Rated breaker must be HACR type for cUL machines. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 55 FORM 201.21-NM4 (616) This page intentionally left blank. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 56: Wiring Diagrams - 3 Compressor

    TECHNICAL DATA TECHNICAL DATA FORM 201.21-NM4 (616) ELECTRICAL WIRING ELEMENTARY CONTROL WIRING DIAGRAM - 3 COMPRESSOR LD12551 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 57 FORM 201.21-NM4 (616) ELEMENTARY CONTROL WIRING DIAGRAM - 3 COMPRESSOR (CON'T) LD12552 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 58 TECHNICAL DATA TECHNICAL DATA FORM 201.21-NM4 (616) ELEMENTARY CONTROL WIRING DIAGRAM - 3 COMPRESSOR YCAV CHILLER - (CON'T) LD12553 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 59 FORM 201.21-NM4 (616) ELEMENTARY CONTROL WIRING DIAGRAM - 3 COMPRESSOR YCAV CHILLER (CON'T) LD12554 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 60 TECHNICAL DATA TECHNICAL DATA FORM 201.21-NM4 (616) POWER ELEMENTARY WIRING DIAGRAM - 3 COMPRESSOR YCAV CHILLER LD12555 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 61 FORM 201.21-NM4 (616) POWER ELEMENTARY DIAGRAM - 3 COMPRESSOR YCAV CHILLER (CON'T) LD12556 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 62 TECHNICAL DATA FORM 201.21-NM4 (616) CONTROL WIRING CONNECTION WIRING DIAGRAM - 3 COMPRESSOR YCAV CHILLER LD12557 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 63 FORM 201.21-NM4 (616) CONTROL WIRING CONNECTION WIRING DIAGRAM - 3 COMPRESSOR YCAV CHILLER (CON'T) LD12558 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 64 TECHNICAL DATA TECHNICAL DATA FORM 201.21-NM4 (616) POWER WIRING CONNECTION WIRING DIAGRAM - 3 COMPRESSOR YCAV CHILLER LD12520 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 65 FORM 201.21-NM4 (616) POWER WIRING CONNECTION WIRING DIAGRAM - 3 COMPRESSOR YCAV CHILLER (CON'T) LD12550 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 66 TECHNICAL DATA FORM 201.21-NM4 (616) LOCATION LABEL 035-20326-006 REV. - LD11125 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 67 FORM 201.21-NM4 (616) This page intentionally left blank. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 68: Wiring Diagrams - 4 Compressor

    TECHNICAL DATA FORM 201.21-NM4 (616) ELEMENTARY CONTROL WIRING DIAGRAM - 4 COMPRESSOR YCAV CHILLER LD11126A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 69 FORM 201.21-NM4 (616) ELEMENTARY CONTROL WIRING DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11127A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 70 TECHNICAL DATA FORM 201.21-NM4 (616) ELEMENTARY CONTROL WIRING DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11128A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 71 FORM 201.21-NM4 (616) ELEMENTARY CONTROL WIRING DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11129A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 72 TECHNICAL DATA FORM 201.21-NM4 (616) POWER ELEMENTARY WIRING DIAGRAM - 4 COMPRESSOR YCAV CHILLER LD11130A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 73 FORM 201.21-NM4 (616) POWER ELEMENTARY WIRING DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11131A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 74 TECHNICAL DATA FORM 201.21-NM4 (616) POWER ELEMENTARY WIRING DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11132A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 75 FORM 201.21-NM4 (616) POWER ELEMENTARY WIRING DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11133A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 76 TECHNICAL DATA FORM 201.21-NM4 (616) CONTROL WIRING CONNECTION DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11134A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 77 FORM 201.21-NM4 (616) CONTROL WIRING CONNECTION DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11135A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 78 TECHNICAL DATA FORM 201.21-NM4 (616) POWER WIRING CONNECTION DIAGRAM - 4 COMPRESSOR YCAV CHILLER LD11136A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 79 FORM 201.21-NM4 (616) POWER WIRING CONNECTION DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11137A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 80 TECHNICAL DATA FORM 201.21-NM4 (616) POWER WIRING CONNECTION DIAGRAM - 4 COMPRESSOR YCAV CHILLER -(CON'T) LD11138A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 81 FORM 201.21-NM4 (616) POWER WIRING CONNECTION DIAGRAM - 4 COMPRESSOR YCAV CHILLER - (CON'T) LD11139A JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 82 TECHNICAL DATA FORM 201.21-NM4 (616) LOCATION LABEL 035-20890-008 REV. - LD11140 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 83 FORM 201.21-NM4 (616) LOCATION LABEL - (CON'T) 035-20890-009 REV. LD11141 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 84: Dimensions

    Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 85 FORM 201.21-NM4 (616) DIMENSIONS - YCAV0969E/V High Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 86 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 87 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1039S/P Standard Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 88 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 89 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1039E/V High Efficiency (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 90 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 91 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1139S/P Standard Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 92 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 93 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1169E/V High Efficiency (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 94 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 95 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1309S/P Standard Efficiency (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 96 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 97 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1309E/V High Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 98 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 99 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1429S/P Standard Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 100 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 101 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1429E/V High Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 102 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 103 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1549S/P Standard Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 104 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 105 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1549E/V High Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 106 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 107 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1649S/P Standard Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 108 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 109 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1739E/V High Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 110 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 111 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1739S/P Standard Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 112 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 113 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1829S/P Standard Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 114 Recommended minimum clearances: Side to wall - 2m; rear to wall - 2m; control panel end to wall - 1.2m; top - no obstructions allowed; distance between adjacent units - 3m. No more than one adjacent wall may be higher than the unit. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 115 FORM 201.21-NM4 (616) DIMENSIONS - YCAV1909S/P Standard Efficiency SI (Con't) JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 116: Technical Data (Clearances)

    FORM 201.21-NM4 (616) TECHNICAL DATA - CLEARANCES LD10506 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. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 117: Weight Distribution & Isolator Mounting

    1115.0 (505.76) 353.62 (8982.0) 1.25 (31.8) ND-D / Yellow 1018.0 (461.76) 353.62 (8982.0) 86.75 (2203.5) ND-D / Yellow 1063.0 (482.17) FIG. 12 – SAMPLE PRINTOUT SUPPLIED IN THE ISOLATOR PACKAGE AND IN THE CHILLER PANEL LITERATURE PACKET JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 118: Isolator Mounting Positions

    1144.6 mm 1561.3 mm 31.75 mm YCAV1039E/V LD11606 NOTE: Distances indicated are from the end of the chiller designated as X in FIG. 12. Distances are measured from the end of base rail, not the corner post. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 119 2162.3 mm 1562.1 mm YCAV1169E/V and YCAV1309S/P LD11606 NOTE: Distances indicated are from the end of the chiller designated as X in FIG. 12. Distances are measured from the end of base rail, not the corner post. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 120 G G C YCAV1429E/V and YCAV1549S/P LD11610 NOTE: Distances indicated are from the end of the chiller designated as X in FIG. 12. Distances are measured from the end of base rail, not the corner post. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 121 G G C YCAV1739E/V, YCAV1829S/P and YCAV1909S/P LD11612 NOTE: Distances indicated are from the end of the chiller designated as X in FIG. 12. Distances are measured from the end of base rail, not the corner post. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 122 1497-2057 LBS 679 to 933 kg SLRS-2-C2-2420 Silver 029-24585-012 2058-2618 LBS 933 to 1188 kg SLRS-2-C2-3080 Gray w/ Red 029-24585-013 2619-3179 LBS 1188 to 1442 kg SLRS-2-C2-3740 Silver w/ Red 029-24585-014 * Value is de-rated by 15% JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 123: Seismic Isolator Installation

    Rubber RESTRAININ Snubbing BOLTS Collar 4" Adjustment Bolt Non-Skid Neoprene Pad- Internal Lower Pad can be removed if Enclosed Neoprene SHIPPED INSTALLED A TER AD STMENT Restraining mounts are welded Steel Acoustical into position. Housing LD10568 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 124: Neoprene Isolator Position

    When mountings and the chiller are installed on steel framing above the ground, the mountings should be bolted to the steel framework. Lower the chiller on to the mountings evenly to avoid placing excessive weight on individual isolators. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 125 810 to 920 kg CIP-C-2385 Yellow w/ Green 029-24583-011 2028-2254 LBS 920 to 1022 kg CIP-C-2650 Red w/ Red 029-24583-012 2354-2936 lbs 1022 to 1332 kg CIP-C-2935 Red w/ Green 029-24583-013 * Value is de-rated by 15% JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 126 10mm (1/4”) shim between the upper load plate and vertical uprights. Lower the equipment on the blocking or 10. Installation is now complete. shimmed isolators. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 127: Refrigerant Flow Diagram

    S - Air Entering Compressor Stopper Motor Valve R-22 - Refrigerant Circuit Number Sight Glass Economizer (Added to some models) Solenoid Valve Filter or Dryer Relief Valve Ball Valve LD10505a FIG. 13 - REFRIGERANT FLOW DIAGRAM JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 128: Diagram

    HIGH TEMPERATURE CUTOUT PRESSURE SENSOR LOW PRESSURE CUTOUT TEMPERATURE SENSOR REPLACEABLE CORE FILTER/DRYER LOW TEMPERATURE CUTOUT SIGHT GLASS HIGH PRESSURE CUTOUT FLOW SWITCH (optional) HEATER PRESSURE SWITCH ELECTRIC HEATER LD10589a PLUG FIG. 14 - PROCESSES AND INSTRUMENTATION DIAGRAM JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 129: Component Locations

    FORM 201.21-NM4 (616) COMPONENT LOCATIONS KEYPAD/DISPLAY PANEL FANS DOOR CONDENSOR COIL CHILLER & VSD ELECTRICAL PANEL COMPRESSOR FIG. 15 - COMPONENT LOCATIONS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 130: Fig 16 - Control And Vsd Cabinet Locations

    TECHNICAL DATA FORM 201.21-NM4 (616) COMPONENT LOCATIONS (3 COMPRESSOR) (CON'T) 50068 FIG. 16 - 3 COMPRESSOR CONTROL AND VSD CABINET COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 131: Fig 17 - Chiller Control Board, Relay Boards

    RELAY BOARD #2 (OPTIONAL) 50069 CHILLER CONTROL TRANSFORMER TRANSFORMER BOARD RELAY BOARD #1 RELAY BOARD #3 MICROGATEWAY RELAY BOARD #2 (OPTIONAL) FIG. 17 - CHILLER CONTROL BOARD, RELAY BOARDS & MICROGATEWAY, (3 COMPR TOP, 4 COMPR BTM,) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 132 CONTROL BOARD CLOCK JUMPER (CLK) RELAY BOARD #1 50070 RS-232/485 JUMPER RELAY BOARD #2 JP4, JP5, & JP6 ▼ ▼ • • • ▲ ▲ JUMPER POSITION FIG. 18 - CHILLER CONTROL BOARD & RELAY BOARDS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 133: Fig 19 - Vsd Logic Board

    COMPONENT LOCATIONS (CON'T) (3 COMPRESSOR MODELS) 50071 SCR TRIGGER BOARD (4 COMPRESSOR MODELS) LOGIC BOARD SCR TRIGGER BOARD SYS 1 & 3 SCR TRIGGER BOARD SYS 2 & 4 50087 FIG. 19 - VSD LOGIC BOARD JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 134: Fig 20 - Vsd Logic Board

    COMPONENT LOCATIONS (3 & 4 COMPRESSOR) (CON'T) (COMPR 4 Over Load Adjust) (COMPR 3 Over Load Adjust) (COMPR 2 Over Load Adjust) (COMPR 1 Over Load Adjust) YORK MADE IN THE USA LD10590 FIG. 20 - VSD LOGIC BOARD JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 135: Fig 21 - Power Components

    (VG1) TRANSFORMER 50076 FUSES FU4, 5, 6, 7, 8 ,9 TRANSIENT 14, 15, 16, 22, 23, 24 SUPPRESSOR BOARD INPUT POWER TO 11, 12, 13 FU TRANSFORMER THE CHILLER CONNECTS HERE FIG. 21 - POWER COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 136: Fig 22 - Power Components

    (Standard Unit will 19, 20, 21) 26, 27, 31, 32, 33) have terminal blocks) 50090 FUSES FUSE (TERMINALS (TERMINALS (FU1, 2, 3) (FU36) 2-28, 40, 41) 2, 110-113, 210, 213, 313, 413) FIG. 22 - POWER COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 137: Fig 23 - Fan Contactors

    FORM 201.21-NM4 (616) COMPONENT LOCATIONS (CON'T) (3 COMPRESSOR MODELS) CONTACTORS (4, 5, 6, 7, 8, 9 11, 12, 13CR) TRANSFORMER 50072 CONTACTORS (4 COMPRESSOR MODELS) (10CR-12CR, 4CR-6CR, 13CR-15CR, 7CR-9CR) TRANSFORMER 50088 FIG. 23 - FAN CONTACTORS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 138: Fig 24 - Vsd Components

    20 FU: Relay Board #1, (4-6 FU: TB-1-3 SCR Trigger Board, 21 FU: Relay Board #2) COOLING 7-9 FU: Sys. 1 Fans, 14-16 FU: Sys. 2 Fans) LD10585 1L AC LINE INDUCTOR FIG. 24 - VSD COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 139: Fig 25 - Vsd Components

    TRIGGER BOARD IGBT GATE SNUBBER DRIVER CAPS BOARDS (C7-C12) IGBT MODULES SCR/DIODE MODULES BUS FILTER CAPACITORS 50085 (Behind Panel) 1RES & 2RES BUS CAPACITOR HEATSINK BANK EQUALIZING/ (Water Cooled) BLEEDER RESISTORS FIG. 25 - VSD COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 140: Fig 26 - Vsd Components

    DC BUS (9, 8, 7CT & (1 TOP & ISOLATION BOARD 17, 16, 15CT) 1 BOTTOM) IGBT MODULES SNUBBER (SYS 1 & 3 TOP CAPACITORS SYS 2 & 4 BOTTOM) (C34-C36) 50089 FIG. 26 - VSD COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 141: Fig 27 - Vsd Components

    THE LINE INDUCTOR WILL REACH OPERATING TEMPERATURES OF OVER 300° F. DO NOT OPEN PANEL DOORS DURING OPERATION. ASSURE THE INDUCTOR IS COOL WHENEVER WORKING NEAR THE INDUCTOR WITH POWER OFF. FIG. 27 - VSD COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 142: Fig 28 - Inverter Power Components

    TECHNICAL DATA FORM 201.21-NM4 (616) COMPONENT LOCATIONS (3 COMPRESSOR (CON'T) TRIGGER BOARD 50077 FIG. 28 - INVERTER POWER COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 143: Fig 29 - Inverter Power Components

    1RES & 2RES BUS CAPACITORS BANK EQUALIZING/BLEEDER RESISTORS LAMINATED STRUCTURE IGBT GATE DRIVER IGBT GATE BOARD #1 DRIVER (SYS # 1 OR #2) BOARD #2 (SYS #3 OR #4) LD10592 IGBT'S IGBT'S FIG. 29 - INVERTER POWER COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 144: Fig 30 - Inverter Power Components

    BUS FILTER HEAT SINK BUS STRUCTURE CAPACITORS IGBT LD10593 FIG. 30 - INVERTER POWER COMPONENTS IGBT'S IGBT'S SCR/DIODE MODULES SCR/DIODE MODULES LD10594 1RES & 2RES BUS CAPACITORS BANK EQUALIZING/BLEEDER RESISTORS FIG. 31 - INVERTER POWER COMPONENTS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 145: Fig 32 - Glycol Pump & Fill Tube Locations

    DETAIL "A" DETAIL "A" GLYCOL PUMP DETAIL "B" GLYCOL TYPICAL 4 PLACES FILL TUBE DETAIL "B" TYPICAL 4 PLACES DETAIL "A" DETAIL "C" DETAIL "A" DETAIL "C" FIG. 32 - GLYCOL PUMP & FILL TUBE LOCATIONS LD10595 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 146: Fig 33 - Glycol Piping & Fill Tube Locations

    TECHNICAL DATA FORM 201.21-NM4 (616) GLYCOL SYSTEM COMPONENTS (CON'T) GLYCOL FILL TUBE LD10597 FIG. 33 - GLYCOL PIPING AND FILL TUBE LOCATION JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 147: Fig 34 - Compressor Components

    FORM 201.21-NM4 (616) COMPRESSOR COMPONENTS FIG. 34 - COMPRESSOR COMPONENTS LD10596 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 148: Equipment Start-Up Check Sheet

    In the rare situation where oil levels are high, drain enough oil to lower the level to the bottom of the top sight glass. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 149 It is recommended that auxiliary pump contacts be placed in series with the flow switch for addi- tional protection, if the pump is turned off during chiller JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 150: Panel Checks

    SERIAL NUMBER PROGRAMMING informa- tion on Page 263 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 151: Programmed Values

    Damage to the chiller could result if the options are improperly programmed. Maximum Remote Temp Reset = _________ to _________ °F (°C) DATE/TIME, DAILY SCHEDULE, AND CLOCK JUMPER 12 Set the Date and Time. 13. Program the Daily Schedule start and stop times. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 152: Initial Start-Up

    SUBCOOLING = 6°F (3.3°C) CHECKING SUBCOOLING AND SUPERHEAT The subcooling should be adjusted to 5 – 7 °F (2.77 The subcooling should always be checked when – 3.78°C) charging the system with refrigerant and/or before JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 153: Leak Checking

    30 PSIG converted to Temp - 35°F (1.7°C) 11°F (6.3°C) The suction temperature should be taken 6” (13 mm) before the compressor suction service valve, and the suction pressure is taken at the compressor suction service valve. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 154: Chiller Electronic Components

    For example: Pressing the ► (RIGHT ARROW) key • ► RIGHT ARROW while viewing the system #1 suction pressure moves the display to system #2 suction pressure. The numeric keys allow keying numeric values into memory. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 155: Display

    If the √ (ENTER) key was pressed from the data en- try mode and the numeric value entered was out of range, the following message will appear for 2 seconds followed by the original data display. XXXXXXXXXXX OUT OF RANGE – TRY AGAIN! XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 156: Chiller Control Board

    STATUS display. onboard power supply, which provides 5VDC regulated to sensors, transducers, display, and other circuit boards. The supply also provides +12VDC to the Relay Output Boards and the +34VDC to the level sensors. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 157: Relay Output Boards

    The inverter is composed of four major sections: the AC to DC rectifier section with precharge circuit, a DC link filter section, a three phase DC to AC inverter section, and an output RC suppression network. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 158: Scr Trigger Board

    NEVER short out a capacitor bank to discharge it during servicing. If a bleeder resistor is open and a capacitor bank will not discharge, immediately contact YORK Product Technical Sup- port. LD10610 FILTER CAPACITORS JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 159: 1L Line Inductor

    The IGBT Gate Driver Board provides gating pulses to turn the IGBT’s on and off. Four compressor units utilize two DC to AC Inverter LD10614 Sections. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 160: Vsd Logic Board

    (MUX) before being sent to the A/D Control Board. converter. These signals allow the VSD Logic Board to monitor DC Bus voltages, compressor motor currents, VSD internal ambient temperature, IGBT baseplate temperatures, and compressor overload settings. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 161: Igbt Gate Driver Boards

    IGBT’s during a short circuit condition. When a short circuit occurs, the voltage (VCE SAT) across the IGBT increases as a result of the high current. The IGBT Gate Driver Board is an integral part of the IGBT assembly for each compressor. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 162: Dv/Dt Output Suppression Network

    (3 compressor, evaporator. The controller is a stand-alone valve control VC2) and behind the power wiring terminal block/circuit module in the Control/VSD panel. The Flash Tank liquid breaker (3 compressor VC1). JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 163: Dc Bus Voltage Isolation Board

    The breaker also provides ground fault protection. 2 and 3 compressor chillers utilize one circuit breaker, while 4 compressor chillers utilize 2 breakers. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 164: Chiller Configuration Jumpers

    J5-3 to J5-4 J5-3 to J5-4 TABLE 1 - COMPRESSORS AND THE APPROPRIATE JUMPER POSITIONS J5-1 to J5-2 NONE # of VSD LOGIC BOARD JUMPER POSITION COMPRESSORS J1-10 to J1-9 J1-11 to J1-9 J1-12 to J1-9 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 165: Max Vsd Frequency

    1739 SA/PA, 1829 SA/PA, 200 Hz 1909 SA/PA 196 Hz 1549 SA/PA 1549 EA/VA, 1649 SA/PA, 192 Hz 1739 EA/VA 188 Hz — 186 Hz — 182 Hz — 178Hz 1429 EA/VA 178 Hz (Spare) — JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 166: Section 7 - Operation

    If no systems are running and the temperature rises above 45°F the heater is turned off. Whenever a system is running, the evaporator heater is turned off. Both evaporator heater outputs will always be turned on JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 167 (Input is high) will run. When both inputs are high, the entire chiller will be enabled to run. When both inputs are low, the chiller will be disabled as a Unit Switch OFF Shutdown. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 168: Basic Operating Sequence

    Setpoint + CR ( Setpoint High Limit) 44˚F ---------- --------------------------------- Setpoint Programmed Control (Cooling) Range 42˚F ---------- ---------- Setpoint – CR (Setpoint Low Limit) -------------------------------------------------- 40˚F 38˚F -------------------------------------------------- LD10625 FIG. 35 - CHILLER CONTROL (COOLING) RANGE JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 169: Number Of Compressors To Start

    LCHLT < CR+5°F? REDUCE NUM COMPS REDUCE NUM COMPS REDUCE NUM COMPS TO START PER TO START PER TO START PER REDUCTION TABLE REDUCTION TABLE REDUCTION TABLE CONTINUE LD10626 FIG. 36 - NUMBER OF COMPRESSORS TO START JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 170: Minimum Vsd Compressor Start/Stop Frequency

    FIG. 37 - MINIMUM VSD START FREQUENCY · A b o v e 1 2 5 ° F, t h e m i n i m u m V S D S t a r t Frequency is 95 Hz. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 171: Acceleration/Deceleration Rate

    · Between 100 and 0 Hz, the deceleration time is 10 Hz/sec. When a compressor stops, back-spin of the compressor will often occur as the pressure differential between discharge and suction equalizes. This should not be a cause of concern. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 172: Standard Iplv Capacity Control

    CR/2, the chiller control will make a decision to start another compressor. At this point, the first compressor will decelerate to a frequency of 5 Hz. Reducing the frequency of the running compressor to 5 Hz enables JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 173: Fuzzy Logic Control

    “negative” (falling). frequency drops below the Minimum VSD Frequency TABLE 4 illustrates these conditions. determined by the ambient temperature. At this point, the lead compressor will be shut down, if temperature is below the Setpoint - CR. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 174: Hot Water Starts

    “negative” (temperature is below Setpoint) because the rate of change of chilled liquid is “positive” (rising). Table 4 illustrates these conditions and the loading response from the Chiller Control Board microprocessor. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 175: Optional Iplv Capacity Control

    “error” FREQUENCY Number of Compressors Running and “rate” conflict. Under these conditions, loading/un- loading follows the guidelines described in the Fuzzy Logic Control Section (Page 176). If chilled liquid temperature is not satisfied and above JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 176: Fuzzy Logic

    If the rate of change is dropping too fast and there is potential for overshoot, the Chiller Control Board microprocessor may elect not to continue to increase speed. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 177: Hot Water Starts

    2.0 Hz every 2 seconds. If temperature drops to within 1.0°F above the Low Chilled Liquid Tempera- ture Cutout, the Chiller Control Board microprocessor will unload at the rate of 4.0 Hz every 2 seconds. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 178: Load Limiting Control

    Setpoint” and “Current Limit Setpoint + 5%”, unloading will occur according to the TABLE 6: Discharge Pressure Cutout- 4.5 PSIG 7 Hz Discharge Pressure Cutout- 3 PSIG 8 Hz Discharge Pressure Cutout- 1.5 PSIG 9 Hz Discharge Pressure Cutout- 0 PSIG 10 Hz JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 179: Table 8 - Suction Pressure Load Limiting

    Suction pressure load limiting is active at start-up, to only prevent loading of the compressors. Suction pres- sure limit unloading will not occur until the system run time reaches 5 minutes of operation to allow the system to stabilize. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 180: Table 10 - Vsd Baseplate Temperature Load

    4 Hz Baseplate Temp. Cutout- 2.0ºF 5 Hz Baseplate Temp. Cutout- 1.6ºF 6 Hz Baseplate Temp. Cutout- 1.2ºF 7 Hz Baseplate Temp. Cutout- 0.8ºF 8 Hz Baseplate Temp. Cutout- 0.4ºF 9 Hz Baseplate Temp. Cutout 10 Hz JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 181: Controller

    The Feed Valve is a stepper motor valve that controls then converts the signal to a valve position and a 2 phase the liquid flow from the condenser to assure the liquid signal drives the Drain valve open or closed. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 182: Fig 39 - Led Locations

    For the first minute of run time, the MOP Setpoint is set to: RCHLT - Superheat Setpoint – 1.0°F Run Time in Seconds FIG. 39 - LED LOCATIONS LD10629 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 183: Fig 40 - Power, Comms Led's

    Feed and Drain valves are being driven open when it is started. or closed in an effort to control Flash Tank level and suction superheat.These valves will light“momentarily” JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 184: Economizer Control

    CONDENSOR FAN CONTROL SYS 1 SYS 3 3 Comp FAN LOCATIONS Chiller SYS 2 SYS 3 (Shaded fans not present on all units) SYS 1 SYS 3 4 Comp Chiller SYS 2 SYS 4 LD10632 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 185: Table 11 - Fan Stages & Corresponding Outputs

    Sys 2 Fans 2, 4, 6, 8, 10, & 12 Sys 3: 11CR, 12 CR & 13 CR Sys 3 Fans 13, 15, 17 & 19 Sys 3 Fans 13, 15, 17, 19 & 21 Sys 3 Fans 13, 15, 17, 19, 21 & 23 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 186: Fig 42 - Standard Iplv Fan Control

    Fan staging on and off points will be determined by the LD10633 FIG. 42 - STANDARD IPLV FAN CONTROL ambient temperature. The fan stage will be incremented, unless the 5 second timer between fan stages is still JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 187: Vsd Temperature Control/Fan Control Operation

    · Glycol Pump and Cabinet Cooling Fans will also · Pre-charge Enable 1 from the Chiller Logic Board run in the Service Mode if the Fan/Pump Run Bit is ON. is Set. · Pre-charge Enable 2 from the Chiller Logic Board is ON. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 188: Remote Temperature Reset Control

    0% and 100% points. The maximum setpoint allowed is the maximum programmable Local Cooling Setpoint and will be capped at this value, if the calculated setpoint with temperature offset exceeds this value. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 189: Local Current Limit Control

    Keep in mind that limiting current may interfere with setpoints. capacity control, pulling down chilled liquid tempera- tures on hot water starts, and maintaining chilled liquid setpoints. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 190: Remote Current Limit Reset

    PROGRAM key Current Limit Setpoint. The current limit value is linear and may be adjusted any- where between the maximum and minimum points of 0 (no offset) and 100% (max. current limiting). JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 191 20 mA. In order for this input to work properly, the Remote Current Limit must be programmed for 4 – 20 mA input (OPTIONS key) and Chiller Control Board jumper JP5 placed in the “mA” position. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 192: Sound Limit Controls

    Sound Limit Setpoint under the PROGRAM key. If these values are exceeded, the minimum or maximum value will be used. Contact a local YORK ISN Representative for details on ISN controls and capabilities. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 193 4 mA and 20 mA. In order for this input to work properly, the Remote Sound Limit must be programmed for 4 – 20 mA input (OPTIONS key) and Chiller Control Board jumper JP6 placed in the “mA” position. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 194: Vsd Operation & Controls

    (% modulation) and the output frequency an inverter short circuit condition. required based on the operating frequency command from the Chiller Control Board. This information will then be sent to the PWM generator located on the VSD Logic Board. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 195 AC voltage at lower frequencies and a higher voltage at higher frequencies. The PWM generator also changes the % modulation of the waveform to simulate the frequency change to maintain the V/F ratio with motor speed changes. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 196: Vsd Cooling And Cooling Loop

    Heat transfer characteristics of the coolant are very critical. Substituting coolant or adding water will result in cooling loop performance loss and chiller shutdown. LD10635 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 197 Fahrenheit. If the temperature exceeds the software trip point, the unit will shut down on a safety. See High VSD Internal Ambient Tempera- ture Fault (Page 204) for details. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 198 · Daily Schedule is ON. · Unit Switch is ON. · System Switch(es) are ON. · Run Permissive(s) are Enabled. · Flow Switch indicates flow. · LCHLT > Setpoint High Limit. · Unit not faulted / locked out. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 199: Table 12 - Vsd Operating Display Parameters

    IGBT Power Assembly Power Module XXX.XºF Highest Baseplate Temperature (or ºC) (maximum of 2) Pre-Charge Enable Signal On or OFF (maximum of 2) VSD cooling Fan/Pump On or OFF Compressor Run Status On or OFF (maximum of 4) JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 200: Vsd Safeties

    If the Chiller Control Board receives the comms fault indication before the Fault Relay signal, it will immediately save a snapshot of system data when the comms fault is recognized. This also enables the JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 201 “LOCKOUT” and will not restart until be a unit fault for 3 compressor units. The Status display the operator clears the fault using the keypad. fault message is shown below: UNIT YYYYYYYY PRECHARGE - DC BUS VOLTAGE IMBALANCE JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 202 “FAULT” condition and will restart or be a unit fault for 3 compressor units. Below is the “LOCKOUT” and will not restart until the operator Status display fault message: clears the fault using the keypad. UNIT YYYYYYYY DC BUS VOLTAGE IMBALANCE JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 203: Igbt Gate Driver (Hardware) Fault

    YYYYYYYY indicates the unit is in a "Lockout" con- contains an internal temperature sensor (5K ohm at 25 dition and will not restart until the operator clears the Deg. °C) to monitor the baseplate temperature. fault using the keypad. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 204 It is possible for an internal sensor to fail and not sense X indicates the system and YYYYYYY indicates the temperature without causing a high baseplate sensor system is “FAULT” and will restart when the single fault. phase condition clears. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 205: Power Supply (Hardware) Fault

    X indicates the system and YYYYYYY indicates the system is in a “FAULT” condition and will restart when the fault clears or “LOCKOUT” and will not restart until the operator clears the fault using the keypad. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 206 (close) the Fault Relay. The fault acknowl- edge is reset by the Chiller Control Board after the Fault Relay is closed by the VSD Logic Board. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 207 FORM 201.21-NM4 (616) VSD SAFETIES (FAULTS) (CON'T) This page intentionally left blank. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 208: Unit Warnings

    24VAC power is applied to the 331-03478-xxx mi- allow the operator sufficient time to check setpoints, croboard connector J12 and is then used to create the program values, etc. various DC power sources required by the microboard circuitry. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 209 Driver Chip. It is socketed to allow field replacement. JP4 Remote Temp Reset jumper position Pins 1 to 2 J16 provides +12VDC to power the E-Link. (left) = 4-20 mA, Pins 2 to 3 (right) = 0-10 VDC JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 210 OPTIONS key. Then press the Down Arrow sage will be displayed where XXXX is the Error key to advance to the DATA LOG TO FLASHCARD Code selection. Next press the Right Arrow key to select ON JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 211 STATUS key by pressing the STA- changes. TUS key repeatedly to scroll through as many as three STATUS messages that could possibly be displayed at any time. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 212: Unit Safeties

    ALL FAULT of the VSD fault, meaning it will be registered as such in the History because it occurred while the VSD was shutting down or while the systems were shut down. All faults do not store operating data at the time of the fault. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 213 8 seconds, the unit will shut down all compressors on a Comms fault. The Chiller Control Board will continue to send messages to the VSD while faulted. The unit will be inhibited from starting until communications is established. The fault will automatically reset when the JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 214: System Safeties

    X indicates the system and YYYYYYYY indicates the system is in a “FAULT” condition and will restart when the 120 second anti-recycel timer times out, or “LOCK- OUT” and will not restart until the operator clears the fault using the keypad. LD10605 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 215 During the next 3 minutes of run time the cutout point is linearly ramped from 10% of the cutout value up to the programmed cutout point. If at any time during the first 3 minutes of operation the suction pres- JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 216: Table 13 - Low Differential Oil Pressure Cutout

    After the first 60 seconds of operation, the cutout is lin- early ramped from 0 PSID to 30 PSID in 5 to 10 minutes based on ambient temperature. See TABLE 13 for the ramp times for the given ambient temperatures. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 217 > 15°F for 60 seconds and run time = or > 5 minutes, the system will fault and shutdown with a controlled ramped shutdown. · If suction superheat < 5°F for 10 minutes, the system will fault and shutdown with a controlled ramped shutdown. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 218: Table 14 - Start Inhibit Sensor Thresholds

    “LOCKOUT” and will not restart until the operator clears the fault using the keypad. ignored, if it fails. The start inhibit thresholds for each sensor are shown in TABLE 14: JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 219 X indicates the system and YYYYYYY indicates the system is in a “FAULT” condition and will restart when the fault clears or “LOCKOUT” and will not restart until the operator clears the fault using the keypad. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 220: Status Key

    When power is first applied to the control panel, the following message displaying YORK International Corporation, the EPROM version, date, and time will be displayed for 2 seconds, followed by the appropriate general status message: (C)2004 YORK INTERNATIONAL CORPORATION C.XXX.XX.XX 18-SEPT-2005 12:45: AM JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 221 This message indicates the flow switch is not allowing This message indicates the system is running as a result the chiller to run. There is a 1 second delay on this safety of cooling demand. to assure the flow switch did not momentarily open. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 222 The sound limit must be activated for this The pulldown motor current limiting message indicates function to operate. the pulldown motor current load limit or pulldown motor current unloading is in effect based on the programmed setpoint. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 223 A complete description of VSD safeties and the corre- sponding status messages is provided on Page 200 Unit Warning Messages A complete description of the unit warnings and the cor- responding status messages is provided on Page 208. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 224: Unit Data Key

    (ARROW) key displays the ambient air temperature. UNIT LEAD SYSTEM NUMBER = X FLOW SWITCH = XXX UNIT OUTSIDE AMBIENT AIR TEMP = XXX.X °F The next key press will display the time remaining on the load and unload timers. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 225 PROGRAM Key by the Local, ISN, and the Remote Sound Limit Inputs. Any sound limits that are inactive will display XXX instead of a numeric value. UNIT SOUND LIMIT LOCAL = XXX % ISN = XXX REMOTE = XXX % JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 226: System Data Key

    OIL = XXXX PSIG SUCTION = XXXX DISCHARGE = XXXX PSIG The next key press displays the system 1 motor thermis- tor temperatures. SYS 1 MOTOR TEMPS T1 = XXX.X °F T2 = XXX.X °F T3 = XXX.X °F JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 227 XX DAYS XX HOURS XX MINUTES XX SECONDS The next key press displays the status of several system signals. SYS 1 RUN SIGNALS RELAY = XXX RUN PERM = XXX SOFTWARE = XXX XXX indicates either ON or OFF. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 228: Table 15 - Sensor Min/Max Outputs

    Oil Temp. Thermistor Discharge 50Kohm 40.3ºF 302.6ºF Temp. Thermistor Compressor 10Kohm -30.0ºF 302.0ºF Motor Temp. Thermistor Remote Temp. 4-20mA/2-10VDC 100 % Reset 0-20mA/0-10VDC Remote 4-20mA/2-10VDC 100 % Current Limit 0-20mA/0-10VDC Remote 4-20mA/2-10VDC 100 % Sound Limit 0-20mA/0-10VDC JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 229 FORM 201.21-NM4 (616) This page intentionally left blank. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 230: Vsd Data Key

    “calculated” currents in amps for systems 1 and 2. The “calculated” currents are approximate and some error can be expected. Also keep in mind that measuring inverter PWM current is difficult and meter error can be significant. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 231 4 compressor units where Precharge 1 is for compressors 1 and 3 DC Bus and Precharge 2 is for compressors 2 and 4 DC Bus. PRECHARGE SIGNAL = XXX PRECHARGE 1 SIGNAL = XXX PRECHARGE 2 SIGNAL = XXX JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 232: Operating Hours & Start Keys

    0. A single display is available under this key and is displayed below. On 3 compressor units, the data and compressor designators for compressors not present are blanked out. HOURS 1=XXXXX, 2=XXXXX, 3=XXXXX, 4=XXXXX START 1=XXXXX, 2=XXXXX, 3=XXXXX, 4=XXXXX JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 233: History Key

    √ (ENTER) key must be pressed to enter the selection. shutdown. The following display will typically be displayed on a normal shutdown due to shutdown on lack of cooling demand. NORM HIST XX 18-JUN-20004 10:34:58 AM SYS X COOLING DEMAND SHUTDOWN JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 234: Unit Data

    Data, System Data, Operating Hours/Starts, Setpoints, displayed under the ALL FAULT, since a snapshot of all Options, and Program Values at the time of the fault. chiller data was taken at the time of the first fault. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 235: Vsd Data

    ON Compressor AMPS and %FLA (Closed) or OFF (Open) at the time of the fault. The message indicates the compressor %FLA and cur- rents for systems 1 and 2 at the time of the fault. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 236: System Data

    T2 = XXX °F This message displays the IGBT highest baseplate tem- perature for 2 and 3 compressor units at the time of the fault. 4 compressor units display temperatures for 1/3 (T1) and 2/4 (T2). JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 237 (Relay Output Board) status, Run Permissive Input economizer status will be indicated as either ON or status, and the Internal Software (micro command) OFF. ON/OFF Start status. The status of each will indicate either ON or OFF. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 238: Compressor Operating Hours & Starts

    5 choices are available: Automatic, Sys 1 Lead, Sys 2 Lead, Sys 3 Lead, and Sys 4 Lead. The default mode will be AUTOMATIC. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 239: Program Values

    This message indicates the motor current limit pro- grammed at the time of the fault. OPTIONS REMOTE CURRENT LIMIT INPUT ◄ ► 0.0 TO 20.0 MILLIAMPS OPTIONS REMOTE CURRENT LIMIT INPUT ◄ ► 4.0 TO 20.0 MILLIAMPS JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 240 = XXX % This indicates the sound limit setpoint programmed at the time of the fault, if the sound limit option is activated at the factory. If the option is not factory activated, the display will not appear. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 241: Setpoints Key

    Pressing the SETPOINTS key or the ‚ Arrow key a fourth time will bring up a screen that allows the Maximum Remote Temperature Reset to be programmed. This message is show below: SETPOINTS ◄DEF XXXXX LO XXXXX HI XXXXX MAXIMUM REMOTE TEMP RESET = XXX.X °F JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 242: Table 16 - Setpoint Limits

    4.4°C 15.6°C 6.7°C Leaving Chilled Liquid Setpoint 15.0°F 70.0°F 44.0°F Glycol Cooling -9.4°C 15.6°C 6.7°C 1.5°F 2.5°F 2.0°F Leaving Chilled Liquid Control Range 0.8°C 1.4°C 1.1°C 2°F 40°F 20°F Max. Remote Temperature Reset 1°C 22°C 11°C JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 243: Program Key

    When the PROGRAM Key is first pressed, the fol- The default value for both modes will be 24.0 (1.65 lowing display will appear indicating the user is in the Barg) PSIG. program mode: PROGRAM MODE XXXX PRESS ENTER KEY TO CONTINUE JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 244 Typically, the limit point is set at 100%. The pulldown limit point is programmable from 30 – 100% with a default of 100%. Be aware when using pulldown mo- tor current limit, the chiller may not be able to load to satisfy temperature demand JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 245: Table 17 - Programmable Operating Parameters

    Pulldown Motor Current Limit 100% 100% Pulldown Motor Current Limit Time 0 Min 255 Min 0 Min 8.0°F 12.0°F 10.0°F Suction Superheat Setpoint 4.4°C 6.6°C 5.6°C Unit ID Number Sound Limit Sound Limit Setpoint 100% Option Enabled JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 246: Options Key

    The display language can be selected for English, Dutch, OPTIONS CHILLED LIQUID COOLING MODE German, Italian, and Chinese ◄ ► GLYCOL COOLING OPTIONS DISPLAY LANGUAGE The default Chilled Liquid Mode will be WATER. ◄ ► XXXXXXXXXXXXXXXXXX The default language will be English. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 247 LEAD / LAG CONTROL MODE ◄ ► IMPERIAL ◄ ► MANUAL SYS 4 LEAD OPTIONS DISPLAY UNITS SYSTEM 4 LEAD may be selected only on 4 compres- ◄ ► sor units. The default mode is IMPERIAL. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 248 LOW AMBIENT TEMPERATURE CUTOUT ◄ ► 2.0 TO 10 VOLTS DC ◄ ► DISABLED OPTIONS REMOTE CURRENT LIMIT INPUT The default setting for the low ambient cutout will be ◄ ► 0.0 TO 20.0 MILLIAMPS ENABLED. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 249 FORM 201.21-NM4 (616) This Page intentionally left blank. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 250: Date/Time & Schedule Key

    ◄ or ► (LEFT OR MONTH ◄ ► = XX RIGHT ARROW) key to select the day. After the day is selected, the √ (ENTER) key must be pressed to store the data. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 251: Schedule Key

    √ (ENTER) key. The selection (ENTER) key must be pressed to store the data. must be entered by pressing the √ (ENTER) key before a schedule display will appear. One or two “0’s” must be keyed in for minutes 00-09. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 252: Unit Operating Schedule

    SCHEDULE or ▲ (UP AR- ROW) key will display the Holiday schedule. This is a two-part display. The first reads: SCHEDULE UNIT OPERATING HOL START = 00:00 AM STOP = 00:00 PM JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 253: Sound Limit Schedule

    The cursor will then move to the AM/PM selection. The AM/PM selection may be chosen using the ◄ (LEFT ARROW) or ► (RIGHT ARROW) keys and pressing √ (ENTER) key to store the value. This process is repeated for the STOP time. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 254: Manual Override Key

    Therefore, do not expect to see any other STATUS messages when in the MANUAL OVERRIDE mode. MANUAL OVERRIDE is to only be used in emergencies or for servicing. Manual override mode automatically disables itself after 30 minutes. MANUAL OVERRIDE JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 255: Print Key

    History Buffer 8 ARROW) keys until the desired printout is displayed. History Buffer 9 History Buffer 10 TABLE 18 shows the available printout types. Cancel Printing The specific printout is initiated by pressing the √ (EN- TER) key. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 256: Operating Data Printout

    EVAPORATOR PUMP RUN SAT DISCHARGE TEMP 1 1 2 . 1 D E G F EVAPORATOR HEATER O F F DISCHARGE SUPERHEAT 3 3 . 4 D E G F ACTIVE REMOTE CONTROL N O N E JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 257: History Data Printout

    X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X The most recent fault will always be stored as HISTORY BUFFER #1. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 258: Service Key

    (ARROW) keys allow scrolling through the data under ◄ ► the section. Pressing the (ARROW) keys at XXXX will display a password, if a numerical password any time moves to the top of the next data section. is entered. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 259 SERVICE AI J20-1 SYS3 MOTOR TEMP T1 Voltage = 10 x ADC volts / 4.5 X.X VDC = XXX.X °F SERVICE AI J20-2 SYS3 MOTOR TEMP T2 X.X VDC = XXX.X °F JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 260 SERVICE AI J24-22 SYS4 OIL PRESS X.X VDC = XXX.X °F X.X VDC = XXX.X PSIG SERVICE AI J22-20 SYS2 SUCTION PRESS SERVICE AI J24-24 SYS4 DISCHARGE PRESS X.X VDC = XXX.X PSIG X.X VDC = XXX.X PSIG JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 261 SERVICE DO J9-11 SYS 1 COMP HEATER STATUS = XXX RB1 TB1-3 STATUS = XXX SERVICE DI J6-6 SPARE DIGITAL INPUT 1 SERVICE DO J9-10 SYS 1 ECON SOL VALVE STATUS = XXX RB1 TB1-2 STATUS = XXX JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 262 XXX.X % = XX.X VDC RB1 TB1-14 STATUS = XXX SERVICE DO J11-5 SYS 4 ECON SOL VALVE SERVICE AO J15-7 SYS 2 DRAIN VALVE OUT RB1 TB1-12 STATUS = XXX XXX.X % = XX.X VDC JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 263 (DO) that can be viewed from the service mode. The Digital Output signals indicate the status of the output. The 0-120VAC digital outputs are referenced to neutral (Wire 2). SERVICE DO J10-2 VSD COOLING FAN/PUMP VSD LOGIC STAUS = XXX JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 264: System Switches Key

    Avoid using SYSTEM SWITCHES SYS 3 ON / OFF / RESET the "UNIT" switch to turn off the ◄ ► =XXXXXXXXXXXXXXX compressors. SYSTEM SWITCHES SYS 4 ON / OFF / RESET ◄ ► =XXXXXXXXXXXXXXX JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 265: Serial Number Programming

    S/N ENTRY UNIT S/N = YYYY XXX ZZZ pear in the display indicating the panel has recognized UNIT SERIAL NUMBER POS 5-7 = XXX the entry. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 266 Press the STATUS key to go to the next STATUS display to determine if additional Status messages are preventing the chiller from operating. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 267: Enabling Optimized High Iplv Mode

    Eastern Standard Time. After obtaining the password, the fol- lowing steps will need to be carried out “immediately” to input the serial num- ber. If the password is not immediately input, the panel will not accept it. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 268: Unit Setup Mode

    COMP 4 OPERATING HOURS = XXXXX SETUP MODE ◄ DEF XXXXX LO XXXXX HI XXXXX SYS 3 NUMBER OF COND FANS SETUP MODE ◄ DEF XXXXX LO XXXXX HI XXXXX SYS 4 NUMBER OF COND FANS JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 269 = XX MIN The following OPTION displays are selectable as EN- ABLED or DISABLED using the ◄ ► (ARROW) keys. The choices are: · NONE (default) · TEMP SENSOR 1 · TEMP SENSOR 2 · TEMP SENSOR 3 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 270: Default Programmable Values

    · Leaving Chilled Liquid Temp Cutout = 36°F · High Motor Current Limit = 100% · Pulldown Current Limit = 100% · Pulldown Current Limit Time = 0 Min. · Suction Superheat Setpoint = 10°F · Sound limit Setpoint = 0% JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 271: Serial Port Connections

    TB2 allows connecting to a remote OptiView RCC or Microgateway. The OptiView RCC option is not yet available. The OptiView RCC and Microgateway option cannot both be used. Only one or the other is permitted to be connected to the chiller. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 272: Analog Input Connections

    Comp 3 Motor Temperature 2 Chiller Control Board J20-3 Comp 3 Motor Temperature 3 Chiller Control Board J20-6 Comp 4 Motor Temperature 1 Chiller Control Board J20-7 Comp 4 Motor Temperature 2 Chiller Control Board J20-8 Comp 4 Motor Temperature JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 273 VSD Logic Board J9-8 Comp 4 IGBT Baseplate Temperature VSD Logic Board Comp 1 Overload Adjust VSD Logic Board Comp 3 Overload Adjust VSD Logic Board Comp 2 Overload Adjust VSD Logic Board Comp 4 Overload Adjust JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 274: Digital Input Connections

    Comp 2 Phase B Gate Driver Fault VSD Logic Board J8-2 Comp 4 Phase A Gate Driver Fault VSD Logic Board J8-5 Comp 4 Phase C Gate Driver Fault VSD Logic Board J8-12 Comp 4 Phase B Gate Driver Fault JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 275 VSD Logic Board J11-6 Phase Loss Fault 2 VSD Logic Board Test Pushbutton VSD Logic Board J10-5 to J10-6 Comp 1/3 Run (from control panel) VSD Logic Board J10-7 to J10-8 Comp 2/4 (from control panel) JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 276: Analog Output Connections

    Chiller Control Board J25-2 to J25-6 Sys 2 Condensor Fan Speed (Future) Chiller Control Board J25-3 to J25-7 Sys 3 Condensor Fan Speed (Future) Chiller Control Board J25-4 to J25-8 Sys 4 Condensor Fan Speed (Future) JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 277 FORM 201.21-NM4 (616) This page intentionally left blank. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 278: Digital Output Connections

    J11-4 / TB1-14 and 13 Sys 4 Compressor Heater Chiller Control / Relay Board 3 J11-5 / TB1-12 and 11 Sys 4 Economizer Solenoid Valve Chiller Control / Relay Board 3 J11-6 / TB1-10 and 9 Sys 4 SPARE JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 279 VSD Logic Board J11-3 Pre-charge Enable 1 VSD Logic Board J11-7 Pre-charge Enable 2 VSD Logic Board J10-1 to J10-2 VSD Fan / Pump Run VSD Logic Board J10-3 to J10-4 VSD Fault Relay (to control panel) JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 280: Isn Communications

    ISN as well system 1, 2, and unit data are handled in the first section. The second section will not be able to do any control but only receive system 3 and 4 (if applicable) data. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 281: Table 26 - Dxst/Isn Transmitted Data

    Digital Evaporator Pump Status Digital Sys 1 Compressor Run Status Digital Sys 2 Compressor Run Status Digital Sys 1 Economizer Solenoid Valve Status Digital Sys 2 Economizer Solenoid Valve Status Digital — Digital — Digital — JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 282 Analog Sys 2 Suction Superheat 190-193 Analog Sys 2 Discharge Superheat Digital — Digital — Digital — Digital — Digital — * The operational and fault codes are defined in Tables 27 and 28 (Pages 283-285). JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 283 Digital — Digital — Digital Sys 3 Compressor Run Status Digital Sys 4 Compressor Run Status Digital Sys 3 Economizer Solenoid Valve Status Digital Sys 4 Economizer Solenoid Valve Status Digital — Digital — Digital — JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 284 Analog Sys 4 Suction Superheat 190-193 Analog Sys 4 Discharge Superheat Digital — Digital — Digital — Digital — Digital — * The operational and fault codes are defined in Tables 27 and 28 (Pages 283-285). JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 285: Table 27 - Fault Inhibit Codes

    Low Differential Oil Pressure System Panel Low Suction Pressure System Panel High Discharge Temp. System Panel High Oil Temp. System Panel Low Suction Superheat System Panel Sensor Failure System Panel Low Motor Current System Panel High Motor Temperature JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 286 Low Discharge Superheat System SPARE 2 System SPARE 3 System SPARE 4 System SPARE 5 System SPARE 6 System SPARE 7 System SPARE 8 System SPARE 9 System SPARE 10 System SPARE 11 System SPARE 12 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 287: Table 28 - Operational Status Codes

    VSD Internal Ambient Temperature Limiting System Panel Sound Limiting System Panel ISN Sound Limiting System Panel Remote Sound Limiting System Panel Pulldown Motor Current System SPARE 7 System SPARE 8 System SPARE 9 System SPARE 10 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 288: R-134A Conversion Tables

    105.0 90.4 240.0 143.3 375.0 177.7 110.0 93.0 245.0 144.8 380.0 178.8 115.0 95.5 250.0 146.3 385.0 179.9 120.0 98.0 255.0 147.7 390.0 180.9 125.0 100.4 260.0 149.2 395.0 182.0 130.0 102.7 265.0 150.6 400.0 183.0 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 289: Maintenance

    YORK Service Agent. A Chiller/Compressor Operating Log is supplied on Page Unit Status 301 for logging compressor and chiller operating data. Press the ‘STATUS’ key on the keypad and ensure no fault messages are displayed . JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 290: Maintenance Requirements

    Check for dirt in the Panel. Check Door Gasket sealing integrity **Check Superheat on the Evaporator and the Economizer feed to the Compressor **Check Condensor Subcooling **Leak check the Chiller **Sample Compressor Oil, check for Acid, and replace if necessary JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 291 A record of this procedure be successfully carried out should be maintained on file by the equipment owner should proof of adequate maintenance be required at a later date for warranty purposes. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 292: Troubleshooting Guide

    Fuse 20FU or 21FU. Oil Temperature Check Sensor with infrared to Sensor is defective. determine if reading is reasonable. System Fault: Condensor Fans NOT HIGH OIL Check Fans. operating or running backwards. TEMPERATURE Coils dirty. Check and clean Coils. JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 293 Discharge Transducer is defective. Check transducer against a gauge. System Fault: Ambient Temp. very high. Normal operation. DISCHARGE Fans NOT operating. Check fan operation. PRESSURE Remote or local discharge pressure Normal operation. LIMITING load limiting is programmed. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 294: Evacuating A System

    500 microns. The system should then be able to hold the vacuum for 10 minutes with a maximum rise of 50 microns. If the system is not able to hold a vacuum, recheck the system for leaks. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 295: Warranty Policy

    (INCLUDING NEGLIGENCE) OR STRICT LIABIL- ITY. THE ABOVE LIMITATIONS SHALL INURE No warranty repairs or replacements will be made until TO THE BENEFIT OF YORK’S SUPPLIERS AND payment for all equipment, materials, or components SUBCONTRACTORS. has been received by YORK. JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 296: Chilled Liquid & Suction Temp Sensor Input Voltage Table

    72.7 3.36 31.9 2.05 51.4 2.71 73.4 3.38 32.5 2.07 52.0 2.73 74.2 3.40 33.0 2.09 52.6 2.75 74.9 3.42 33.6 2.11 53.2 2.77 34.2 2.13 53.8 2.79 34.8 2.15 54.5 2.81 35.3 2.17 55.0 2.83 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 297: Outside Air Temp Sensor Input Voltage Table

    41.4 1.73 83.6 3.05 42.4 1.76 84.6 3.08 43.3 1.79 85.7 3.11 44.3 1.82 86.7 3.13 45.2 1.85 87.8 3.16 46.1 1.88 88.9 3.19 47.0 1.91 90.1 3.22 48.0 1.94 91.1 3.25 48.9 1.97 92.2 3.28 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 298: Table 32 - Pressure Transducer Input Voltage

    1.59 3.63 3.06 1.66 3.70 3.22 1.74 3.77 3.38 1.81 3.85 3.54 1.88 3.92 3.70 1.95 3.99 3.86 2.03 4.06 4.02 2.10 4.14 4.18 2.17 4.21 4.34 2.25 4.28 4.50 2.32 4.35 2.39 4.43 2.46 4.50 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 299: Motor Temperature Sensor Resistance Table

    510.6 6.20 479.9 542.3 445.0 6.40 416.5 473.5 389.0 6.60 363.4 414.7 341.2 6.70 318.4 364.1 300.2 6.90 279.5 320.9 264.9 7.10 246.1 283.7 234.4 7.30 217.3 251.5 208.0 7.40 192.6 223.3 171.1 185.0 7.50 198.9 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 300: Compressor Motor Overload Settings & Maximum Vsd Frequency

    Maximum VSD 1 Overload 2 Overload 3 Overload 4 Overload (4 Comp) plate Voltage Frequency Setting Setting Setting Setting w/ STD FANS (VAC) (Hz) (Amps) (Amps) (Amps) (Amps) YCAV1429EA/VA YCAV1549EA/VA YCAV1549SA/PA YCAV1649SA/PA YCAV1739EA/VA YCAV1739SA/PA YCAV1829SA/PA YCAV1909SA/PA JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 301: Printer Wiring

    9 pin RS-232 (DB-9) TB1 Chiller Control Board TB1-2 TB1-3 TB1-5 WEIGHTRONIX IMP-24, MODEL 2600 TB1 Chiller Control Board 25 pin RS-232 (DB-25P) TB1-2 TB1-3 TB1-5 FIG. 44 - PRINT CABLE - CHILLER TO SERIAL PRINTER JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 302: Okidata 184

    3-6 – off: Baud rate select - 1200 2-7 – on: DTR space after power on 3-7 – on: Baud rate select - 1200 2-8 – not used 3-8 – off: Baud rate select - 1200 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 303: Operating Log

    Display Language = Leaving Chilled Liquid Temp. Cutout = Chilled Liquid Mode = ºF(ºC) Local/Remote Mode = High Motor Current Unload = %FLA Display Units = Lead/Lag Control = Remote Temperature Reset = Remote Current Reset = JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 304: Currents

    Discharge ºF(ºC) SYSTEM CURRENT Sat Suction ºF(ºC) SYS 1 SYS 2 SYS 3 SYS 4 Sat Superht ºF(ºC) Current AMPS Sat Discharge ºF(ºC) SYS 1 SYS 2 SYS 3 SYS 4 Dsch Superht ºF(ºC) Current %FLA JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 305: System Operating Conditions

    Comp Heater SYSTEM RUN TIME Oil Separator level should be main- tained so that an oil level is between the Days Hours Mins Sec upper and lower sight glasses. System 1 System 2 System 3 System 4 JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 306: Water System Conditions

    FORM 201.21-NM4 (616) WATER SYSTEM CONDITIONS EVAPORATOR FLOW Flow Rate Evap Pressure Drop FT / LBS (Circle One) Glycol Freeze Point ºF (ºC) CONDENSOR CONDITIONS AIR TEMPERATURE Air ON Temperature ºF (ºC) Air OFF Temperature ºF (ºC) NOTES JOHNSON CONTROLS JOHNSON CONTROLS...

  • Page 307: Recommended Spare Parts

    Transducer, Suction Pressure (0-125 psig) 025-29583-001 Sensor, EWT, LWT 025-40334-000 Relay Output Board 031-02479-002 VSD Logic Board 031-02477-000 Controller, Valve 031-02510-000 SCR Trigger Board 50 Hz 031-02060-002 Chiller Control Board 031-02478-002 Level Sensor 025-39675-002 Feed Drain Valve 025-37688-000 JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 308 MAINTENANCE FORM 201.21-NM4 (616) NOTES JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 309 FORM 201.21-NM4 (616) NOTES JOHNSON CONTROLS JOHNSON CONTROLS...
  • Page 310 P.O. Box 1592, York, Pennsylvania USA 17405-1592 800-861-1001 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2016 www.johnsoncontrols.com ALL RIGHTS RESERVED Form 201.21-NM4 (316) Issue Date: June 30, 2016 Supersedes: 201.21-NM4 (315)

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