York YLAA0041 Installation Operation & Maintenance
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York YLAA0041 Installation Operation & Maintenance

York YLAA0041 Installation Operation & Maintenance

Air-cooled scroll chillers with brazed plate heat exchanger style b (60 hz) 4 to 12 fan 40 ton to 230 ton 140 kw to 800 kw
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Air-Cooled Scroll Chiller
Supersedes: 150.72-ICOM6 (1023)
Form 150.72-ICOM6 (1223)
Installation, Operation, Maintenance
035-23572-100
YLAA0041 – YLAA0230
Air-Cooled Scroll Chillers
with Brazed Plate Heat Exchanger
Style B (60 Hz) 4 to 12 Fan
40 ton to 230 ton
140 kW to 800 kW
R-410A,
R-454B
Issue Date:
Products are produced at a
December 19, 2023
f a c i l i t y w h o s e q u a l i t y -
management systems are
ISO9001 certified.

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  • Page 1 Air-Cooled Scroll Chiller Supersedes: 150.72-ICOM6 (1023) Form 150.72-ICOM6 (1223) Installation, Operation, Maintenance 035-23572-100 YLAA0041 – YLAA0230 Air-Cooled Scroll Chillers with Brazed Plate Heat Exchanger Style B (60 Hz) 4 to 12 Fan 40 ton to 230 ton 140 kW to 800 kW...
  • Page 2 Form 150.72-ICOM6 Issue date: 12/19/2023 Important! Read before proceeding! General safety guidelines This equipment is a relatively complicated apparatus. which it is situated, as well as severe personal injury or During rigging, installation, operation, maintenance, death to themselves and people at the site. or service, individuals may be exposed to certain com- This document is intended for use by owner-authorized ponents or conditions including, but not limited to:...
  • Page 3 Form 150.72-ICOM6 Issue date: 12/19/2023 Working with chiller vessels which are designed to contain contents under pressure must only be conducted by fully qualified technicians who have been certified in accordance with EPA Section 608 of the Clean Air Act requirements for the US or equivalently the Federal Halocarbon Regulations and the Refrigerant Code of Practice for Canada.
  • Page 4 Planned Service Agreement that leverages real time and generalized conditions. In lieu of the traditional and historical data, delivering performance reporting, maintenance program, a Johnson Controls YORK corrective actions required and data enabled guidance Conditioned Based Maintenance (CBM) program can for optimal operation and lifecycle assurance.

  • Page 5: Table Of Contents

    High pressure cutout ............................40 Single-point supply connection – terminal block, non-fused disconnect switch or circuit breaker ....41 Section 5: Technical data ............................47 Physical data YLAA0041 to YLAA0230, 60 Hz ....................50 Electrical data ..............................57 Compressor heaters ............................57 Electrical notes ...............................
  • Page 6 Return chilled liquid system lead/lag and compressor sequencing .............. 178 Anti-recycle timer ............................178 Anti-Coincidence Timer ..........................178 Evaporator pump control and YORK hydro kit pump control................ 178 Evaporator heater control ..........................179 Pumpdown control ............................179 Standard condenser fan control ........................179 VSD fan ................................
  • Page 7 Form 150.72-ICOM6 Issue date: 12/19/2023 Table of contents (cont’d) Section 9: Service and troubleshooting ......................185 Clearing history buffers..........................185 Resetting system lockout faults ........................185 Service mode ............................... 185 Service mode, outputs ..........................185 Service mode, chiller configuration ......................186 Service mode, analog and digital inputs .......................
  • Page 8 Form 150.72-ICOM6 Issue date: 12/19/2023 List of figures Figure 1: Unit components, front view ........................21 Figure 2: Unit components, side view........................22 Figure 3: Power panel components ........................23 Figure 4: Power Panel and control components.....................24 Figure 5: Process and instrumentation diagram .....................31 Figure 6: Rigging and lifting label ...........................33 Figure 7: Unit Rigging/Lifting ..........................35 Figure 8: Lifting lugs ...............................36...
  • Page 9 Form 150.72-ICOM6 Issue date: 12/19/2023 List of tables Table 1: Canadian Registration Numbers .......................16 Table 2: Complete Pin number description ......................25 Table 3: Chemical specification of water .........................43 Table 4: Temperatures and Flows ...........................47 Table 5: Ethylene and Propylene Glycol Correction Factors ..................49 Table 6: Physical data and nominal data ........................50 Table 7: Micropanel Power Supply .........................57 Table 8: Voltage Range ............................57...
  • Page 10 Form 150.72-ICOM6 Issue date: 12/19/2023 This page is intentionally left blank. Johnson Controls...

  • Page 11: Section 1: General Chiller Information And Safety

    Introduction as part of the contract. YORK YLAA chillers are manufactured to the highest The warranty is limited to parts only replacement and design and construction standards to ensure high per- shipping of any faulty part, or sub-assembly, which has formance, reliability, and adaptability to all types of air failed due to poor quality or manufacturing errors.

  • Page 12: Safety And Quality

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Safety and quality Misuse of equipment Standards for safety and quality Suitability for application YLAA chillers are designed and built within an ISO The unit is intended for cooling water or glycol solu- 9002 accredited design and manufacturing organiza- tions and is not suitable for purposes other than those tion.
  • Page 13 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Pressure systems Refrigerants and oils The unit contains refrigerant vapor and liquid under Refrigerants are classified as A2L refrigerant and must pressure, release of which can be a danger and cause be handled in accordance with all governing regula- injury.
  • Page 14 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Safety labels White symbol on black background. For safe operation, read the instructions first. Black symbol on white background. Warning: Read operating instructions. Black symbol on white background. Warning: Read technical manual.

  • Page 15: Section 2: Product Description

    Issue date: 12/19/2023 Section 2: Product description Introduction General system description YORK YLAA Air-Cooled Scroll Chillers provide Compressors chilled water for all air conditioning applications us- The chiller has suction-gas cooled, hermetic, scroll ing central station air handling or terminal units. They compressors.

  • Page 16: Table 1: Canadian Registration Numbers

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Brazed plate evaporator Condenser The compact, high-efficiency brazed plate heat ex- Coils changer (BPHE) is constructed with 316L stainless Fin and tube condenser coils of seamless, internally- steel corrugated channel plates with a filler material enhanced, high condensing-coefficient, corrosion re- between each plate.

  • Page 17: Communications

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 • Print calls up to the liquid crystal display VDC input • Operating data for the systems • Anti-recycle timer status for each system • History of fault shutdown data for up to the last •...

  • Page 18: Building Automation System Interface

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Building automation system interface Single-point circuit breaker A unit mounted circuit breaker with external, lockable The Microprocessor Board can accept a 4 mA to 20 mA, handle (in compliance with NEC Article 440-14), can be or 0 VDC to 10 VDC input to reset the leaving chiller supplied to isolate the power voltage for servicing.
  • Page 19 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Service Suction Isolation Valve Condenser and cabinet options Service suction (ball-type) isolation valves are added MCHX Condenser protection against corrosive envi- to unit per system (discharge service ball-type isolation ronments is available by choosing any of the following valve is standard on each circuit).
  • Page 20 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 • Louvered panels (MCHX Condenser Only) - Louvered Panels are mounted on the sides and ends of the MCHX condenser for protection. (Factory-Mounted) • Louvered Panels (Full Unit) - Louvered panels surround the front, back, and sides of the unit.

  • Page 21: Figure 1: Unit Components, Front View

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Item Description Item Description Fan assemblies Filter drier Condenser coils Power panel Evaporator Control panel Compressors Sight glass – – Figure 1: Unit components, front view Johnson Controls...

  • Page 22: Figure 2: Unit Components, Side View

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Item Description Condenser coils Fan assemblies Condenser coils Receivers Evaporator Figure 2: Unit components, side view Johnson Controls...

  • Page 23: Figure 3: Power Panel Components

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 LD13248 Item Description Fan contactor Fan fuses Fan contactor Disconnect switch (optional) XTBF1 Compressor contactors Compressor overloads Figure 3: Power panel components Johnson Controls...

  • Page 24: Figure 4: Power Panel And Control Components

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 LD13248 Item Description Fan contactor Fan fuses Control relay Microcomputer control center Display Keypad XTBC1 Microboard XTCB2 XTBF2 Compressor contactors Compressor overloads Figure 4: Power Panel and control components Johnson Controls...

  • Page 25: Table 2: Complete Pin Number Description

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Table 2: Complete PIN number description Feature Feature description Option Option description MODEL Model (PIN 1-4) YLAA 0041 0041 0048 0048 0058 0058 0065 0065 0070 0070 0080 0080 0081 0081...
  • Page 26 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Table 2: Complete PIN number description, continued Feature Feature description Option Option description No Control Transformer Required Cntrl Transformer TRANS Control Transformer Required (PIN 18) Special Control Transformer Required No Power Capacitor required Power Factor Capacitor Power Capacitor required...
  • Page 27 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Table 2: Complete PIN number description, continued Feature Feature description Option Option description No Hot Gas Bypass required Hot Gas Bypass HGBP Hot Gas Bypass required - 1 circuit (PIN 33) Special Hot Gas Bypass required GAUGE...
  • Page 28 Base & Witness Documents Special Quote Standard York/JCI Branding Quantech Branding PIN 51 PIN 51 York/JCI Branding with Quantech bag SASO Compliant Label Special Quote Standard Low Sound Fan Required Ultra Quiet Fans Required High Air Flow Fan Requied Standard Low Sound Fan with VSD Required...
  • Page 29 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Table 2: Complete PIN number description, continued Feature Feature description Option Option description No Isolators required 1 in. Deflection Isolators required Vibration Isolators ISOL Neoprene Isolators required (PIN 54) 2 in.
  • Page 30 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Table 2: Complete PIN number description, continued Feature Feature description Option Option description No Pump Pump Kit A Pump Kit B Pump Kit C Pump Kit D Pump Kit E Pump Kit F Pump Kit G Pump Kit H...

  • Page 31: Figure 5: Process And Instrumentation Diagram

    Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 Control Functions: DV - Display Value Fans Fans Components: CHT - Chilled Liquid Temperature HPC - High Pressure Cutout Pressure Relief Valve LPC - Low Pressure Cutout HPL - High Pressure Load Limiting Service (Ball) Valve LTC - Low Temperature Cutout Expansion Valve...
  • Page 32 Form 150.72-ICOM6 Section 1: General chiller information and safety Issue date: 12/19/2023 This page is intentionally left blank. Johnson Controls...

  • Page 33: Section 3: Handling And Storage

    Form 150.72-ICOM6 Issue date: 12/19/2023 Section 3: Handling and storage LD18119 Figure 6: Rigging and lifting label Read carefully the rigging warning label Rigging and lifting should only be done by on the chiller packaging. a professional rigger in accordance with a written rigging and lifting plan.

  • Page 34: Delivery And Storage

    Form 150.72-ICOM6 Section 3: Handling and storage Issue date: 12/19/2023 Delivery and storage Inspection To ensure consistent quality and maximum reliability, Remove any transit packing and inspect the unit to en- all units are tested and inspected before leaving the fac- sure that all components have been delivered and that tory.

  • Page 35: Figure 7: Unit Rigging/Lifting

    Form 150.72-ICOM6 Section 3: Handling and storage Issue date: 12/19/2023 LD18121 LD18120 4 - 6 Fan Units 8 Fan Units LD27282 10 Fan Units LD27283 12 Fan Units Figure 7: Unit Rigging/Lifting Johnson Controls...

  • Page 36: Lifting Weights

    Form 150.72-ICOM6 Section 3: Handling and storage Issue date: 12/19/2023 Lifting weights Lifting using shackles See the unit nameplate for unit shipping weight. Note Insert the shackles into the respective holes in the base that weight may vary depending on unit configuration frame and secure from the inside.

  • Page 37: Section 4: Installation

    See Physical data YLAA0041 to YLAA0230, and type of refrigerant charge. 60 Hz on page 50 for operating weight. If the unit is...

  • Page 38: Spring Isolators: Optional

    Hand stop valves should be installed in all lines to fa- • A chilled water flow switch, (either by YORK cilitate servicing. or others) MUST be installed in the leaving wa- ter piping of the cooler.

  • Page 39: Pipework Arrangement

    Form 150.72-ICOM6 Section 4: Installation Issue date: 12/19/2023 Pipework arrangement When ducting is to be fitted to the fan discharge it is recommended that the duct should be the same cross- The following are suggested pipework arrangements sectional area as the fan outlet and straight for at least for single unit installations, for multiple unit installa- 3 ft (1 m) to obtain static regain from the fan.

  • Page 40: Relief Valves

    Form 150.72-ICOM6 Section 4: Installation Issue date: 12/19/2023 an external box separate to the power panel. Copper Alarm status contacts conductors can then be run from the box to the chiller. Normally-open contacts are available for each re- frigerant system. These normally-open contacts close A 120-1-60, 15 A source must be supplied for the con- when the system is functioning normally.

  • Page 41: Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch Or Circuit Breaker

    Form 150.72-ICOM6 Section 4: Installation Issue date: 12/19/2023 Single-point supply connection – terminal block, non-fused disconnect switch or circuit breaker Power Panel Power Panel Power Panel Control Panel Control Panel Control Panel XTBC1 Terminal Block, Terminal Block, MICROPANEL MICROPANEL NF Disconnect SW NF Disconnect SW or Circuit Breaker or Circuit Breaker...

  • Page 42: Figure 11: Control Wiring Inputs

    Form 150.72-ICOM6 Section 4: Installation Issue date: 12/19/2023 User control wiring inputs INTERNAL WIRING TO OPTIONAL REMOTE TEMP. RESET BOARD INTERNAL WIRING TO OPTIONAL REMOTE TEMP. RESET BOARD FLOW SWITCH REMOTE UNLOAD STEP 1 PWM REMOTE TEMP RESET INTERNAL WIRING TO 2-KCR CONTROL RELAY INTERNAL WIRING TO 1-KCR CONTROL RELAY REMOTE START / STOP XTBC1...

  • Page 43: Table 3: Chemical Specification Of Water

    Form 150.72-ICOM6 Section 4: Installation Issue date: 12/19/2023 Specification of water • Prevent particles such as silt, pipe slag, and bio- • Back flushing is an ideal method to clear out logical matter from entering the unit to prevent the blockage. Contact a professional company the water side channels in a BPHE from clogging.

  • Page 44: Figure 12: Thermal Dispersion Flow Switch

    Form 150.72-ICOM6 Section 4: Installation Issue date: 12/19/2023 Thermal dispersion flow switch 1. Thermal Dispersion Flow Switch Operating Principle PIN NUMBERS The operating principle of the thermal dispersion flow switch is based on the calorimetric princi- ple. It uses the cooling effect of a flowing fluid to monitor the flow rate.
  • Page 45 Form 150.72-ICOM6 Section 4: Installation Issue date: 12/19/2023 Generally, the thermal dispersion flow switch is • Ensure that the sensor tip does not contact the pipe shipped with the unit as a loose part. wall. Do not mount it in a downpipe, in which the liquid flows downwards.

  • Page 46: Figure 14: Control Wiring Outputs

    Form 150.72-ICOM6 Section 4: Installation Issue date: 12/19/2023 User control wiring outputs INTERNAL WIRING TO EVAPORATOR HEATER INTERNAL WIRING TO HOT GAS SOLENOID VALVE SYSTEM 2 ALARM DRY CONTACTS (OPEN = ALARM) SYSTEM 1 ALARM DRY CONTACTS (OPEN = ALARM) SYSTEM 2 RUN DRY CONTACTS (CLOSE = RUN) SYSTEM 1 RUN DRY CONTACTS (CLOSE = RUN) EVAPORATOR PUMP DRY CONTACTS (CLOSE = RUN...

  • Page 47: Section 5: Technical Data

    Form 150.72-ICOM6 Issue date: 12/19/2023 Section 5: Technical data Operational limitations Table 4: Temperatures and Flows Temperature, °F (°C) Water Flow, gpm (L/s) Air On Condenser, °F (°C) Unit Designation Minimum Maximum Nominal Minimum Maximum Minimum Maximum Standard Efficiency YLAA0070SE 40 (4.4) 55 (12.8) 170 (10.7)
  • Page 48 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Heat exchanger flow, gpm Evaporator Pressure Drop (IP Units) Water Flow Rate (gpm) LD28292a EVAPORATOR YLAA MODELS 0058HE, 0065HE, 0070SE 0080SE 0082HE, 0089SE, 0092HE, 0100SE, 0101HE, 0125HE 0136SE, 00139HE, 0156HE, 0170SE, 0081HE 0120SE, 0155SE, 0142HE 0175HE 200HE...

  • Page 49: Table 5: Ethylene And Propylene Glycol Correction Factors

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 5: Ethylene and Propylene Glycol Correction Factors ETHYLENE GLYCOL PROPYLENE GLYCOL COMPR GPM F/ PRESS FREEZE COMPR GPM F/ PRESS FREEZE TONS TONS DROP DROP WEIGHT WEIGHT 10.0 10.0 24.3 26.2 24.0 26.0...

  • Page 50: Physical Data Ylaa0041 To Ylaa0230, 60 Hz

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Physical data YLAA0041 to YLAA0230, 60 Hz Table 6: Physical data and nominal data YLAA Refrigerant R-410A Standard efficiency units 0070SE 0080SE 0089SE 0100SE 0120SE 0136SE 0155SE 0170SE Nominal ratings Tons 71.0...
  • Page 51 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 6: Physical data and nominal ratings, continued YLAA Refrigerant R-410A High efficiency units 0041HE 0048HE 0058HE 0065HE 0081HE 0082HE 0092HE Nominal ratings Tons 39.5 48.9 57.0 62.3 77.9 85.7 78.8 40.8 53.8 64.4...
  • Page 52 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 6: Physical data and nominal ratings, continued Refrigerant R-410A YLAA High efficiency units 0101HE 0125HE 0139HE 0142HE 0156HE 0175HE 0200HE 0230HE Nominal ratings Tons 99.3 118.0 126.3 146.9 175.3 195.8 221.7 129.5 117.4...
  • Page 53 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 6: Physical data and nominal ratings, continued YLAA Refrigerant R-454B Standard efficiency units 0070SJ 0080SJ 0089SJ 0100SJ 0120SJ 0136SJ 0155SJ 0170SJ Nominal ratings Tons 70.0 76.6 80.6 95.0 118.2 123.4 143.2 167.6 79.2...
  • Page 54 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 6: Physical data and nominal ratings, continued Refrigerant R-454B YLAA Standard efficiency units 0070ZJ 0100ZJ 0155ZJ Nominal ratings Tons 70.9 94.6 141.5 81.0 113.8 168.1 10.5 10.0 10.1 IPLV 16.2 14.9 15.8 General unit data...
  • Page 55 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 6: Physical data and nominal ratings, continued Refrigerant R-454B YLAA High efficiency units 0041HJ 0048HJ 0058HJ 0065HJ 0082HJ 0092HJ Nominal ratings Tons 39.0 48.3 56.1 61.4 76.8 84.4 39.5 51.9 62.1 69.3 87.5...
  • Page 56 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 6: Physical data and nominal ratings, continued Refrigerant R-454B YLAA High efficiency units 0101HJ 0125HJ 0139HJ 0156HJ 0175HJ 0200HJ 0230HJ Nominal ratings Tons 97.8 116.2 124.4 144.7 172.7 192.8 221.7 113.1 132.9 144.2...

  • Page 57: Electrical Data

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Electrical data Table 7: Micropanel Power Supply OVER CURRENT PROTECTION, CONTROL UNIT VOLTAGE SEE NOTE B POWER NF DISC Sw NOTE A UNIT MODELS w/o VOLTAGE 115-1-60/50 CONTROL 15 A 10 A 15 A 30 A / 240 V TRANS...

  • Page 58: Table 9: Pump Electrical Data 60 Hz

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 9: Pump Electrical Data 60 Hz PUMP Electrical Data Pump Horse 208 - 3 - 60 HZ 230 - 3 - 60 HZ 380 - 3 - 60 HZ 460 - 3 - 60 HZ 575 - 3 - 60 HZ Model Power...

  • Page 59: Table 11: Electrical Data Without Pumps, R-410A

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 11: Electrical data without pumps, R-410A YLAA Hz MCA Min. N/F Min. dual Max. dual System 1 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std. flow fans and CB Qty.
  • Page 60 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 11: Electrical data without pumps, R-410A, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 1 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.
  • Page 61 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 11: Electrical data without pumps, R-410A, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 1 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.
  • Page 62 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 11: Electrical data without pumps, R-410A, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 2 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.
  • Page 63 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 11: Electrical data without pumps, R-410A, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 2 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.
  • Page 64 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 11: Electrical data without pumps, R-410A, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 2 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.

  • Page 65: Table 12: Electrical Data Without Pumps R-454B

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 12: Electrical data without pumps R-454B YLAA Hz MCA Min. N/F Min. dual Max. dual System 1 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std. flow fans and CB Qty.
  • Page 66 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 12: Electrical data without pumps, R-454B, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 1 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.
  • Page 67 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 12: Electrical data without pumps, R-454B, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 2 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.
  • Page 68 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 12: Electrical data without pumps, R-454B, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 2 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.
  • Page 69 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 12: Electrical data without pumps, R-454B, continued YLAA Hz MCA Min. N/F Min. dual Max. dual System 2 disc SW elem. fuse elem. CB Compr. 1 Compr. 2 Compr. 3 Std.

  • Page 70: Table 13: Wiring Lugs

    ALTERNATE INSTALLED ALTERNATE (1) # 6–500 — — (1) 4–300 — (1) # 6–500 — — (1) 4–300 — YLAA0041 (1) # 6–500 — — (1) 4–300 — (1) # 6–500 — — (1) 4–300 — (1) # 6–500 —...
  • Page 71 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 13: Wiring lugs, continued 1 PT Supply Molded Case SWitch Molded Case circuit breaker 1 T. Block 1 pt. supply pt. supply Chiller VOLTS Model INSTALLED INSTALLED ALTERNATE INSTALLED ALTERNATE (2) # 6–500 (2) 250–500 (3) 2/0–400...
  • Page 72 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Table 13: Wiring lugs, continued 1 PT Supply Molded Case SWitch Molded Case circuit breaker 1 T. Block 1 pt. supply pt. supply Chiller VOLTS Model INSTALLED INSTALLED ALTERNATE INSTALLED ALTERNATE (2) # 6–500 (3) 2/0–400 (2) 250–500...

  • Page 73: Electrical Notes

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Electrical notes the rated load amps for all other loads included in Notes 1. Minimum Circuit Ampacity (MCA) is based on the circuit. Otherwise, HACR-type circuit breakers 125% of the rated load amps for the largest mo- must be used.
  • Page 74 HEATER RELAY STANDARD YORK ACCESSORIES COMPRESSOR CONTACTOR WIRING AND ITEMS SHOWN THUS ARE - KM (INCLUDING COIL SUPPRESSOR) NOT SUPPLIED BY YORK - KCR CONTROL RELAY ITEMS THUS ENCLOSED FORM A COMPONENTS OR SETS OF PUMP CONTACTOR PART - KP...
  • Page 75 Field wiring must be in accordance with the relevant electrical code and all other applicable codes and specifications. All sources of supply shown on this diagram must be taken from one main isolator, not shown or supplied by YORK. Green and yellow wire is used for earth, multi-colored cable used for low voltage. Red wire used for AC Control, blue wire for neutral, black wire for AC and DC power.
  • Page 76 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Electrical notes and legend (cont’d) Fitted on units with single phase motors only. Fitted on units with low ambient option only. Only fitted on units with an acoustic kit. Only fitted on heat recovery units. Only fitted on condensing units.
  • Page 77 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 This page is intentionally left blank. Johnson Controls...

  • Page 78: Figure 15: Elementary Wiring Diagram

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Wiring diagrams elementary wiring diagrams 200/230V-3-60HZ 200/230V-3-60HZ 200/230V-3-60HZ 460V-3-60HZ 460V-3-60HZ 460V-3-60HZ 575V-3-60HZ 575V-3-60HZ 575V-3-60HZ 380/415V-3-50/60HZ 380/415V-3-50/60HZ 380/415V-3-50/60HZ -QSD -XTBC NB17 =1-QCB =2-QCB NB31 =1-QCB =2-QCB NB20 =2-TC =1-TC NB20 =1-QMMSC1 =1-QMMSC2 =1-QMMSC3 =2-QMMSC1 =2-QMMSC2...

  • Page 79: Figure 16: Elementary Wiring Diagram

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 035-21583-101 REV. R -XP2 -XP2 -XTBC2 -XTBC2 200/230V-3-60HZ -XTBC2 460V-3-60HZ 575V-3-60HZ 380/415V-3-50/60HZ /32.10 -XTB8 =1-KCR =1-KM2 =1-KM1 =1-KM3 /2.1 /2.6 /2.6 /2.5 -QCB -QSD -K13 -XP2 -XP2 -XTBC2 -XTBC2 NB16 -XTB8 NB61 -XP3 -XP3...
  • Page 80 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 -AMB -K10 -K15 /1.1 /1.2 /1.5 /1.7 /1.4 -XTB8 -XTB9 -XTB8 -XTB7 -XP2 -XP3 1/1.1 =1-XTBF =2-XTBF -XP3 =1-FHP =2-FHP +EXT +EXT =1-FHP =2-FHP +EXT +EXT P> P> P> P> -XP2 -XP2 -XP2 =1-XTBF...
  • Page 81 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 -K17 -K19 -K20 -K18 -K21 /1.3 /1.2 /1.3 /1.7 /1.8 /1.8 /1.8 /1.9 -XTB10 -XP3 -XP2 -XP2 -XP2 =1-KCR =2-KCR -XP3 -XP3 -XP3 -XP3 =2-XTBF =2-XTBF =2-KM1 =2-KM2 =2-KM3 NB58B NB59B NB46 NB46 =2-XTBF...

  • Page 82: Figure 17: Fan Wiring, Standard Air Flow

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Fan wiring 035-21583-125 Rev C 1L1/1.1 1L2/1.1 1L3/1.1 =1-F4 NB21 NB15 NB27 =1-F5 =1-KF1 =1-KF2 =1-KF3 =1-MF1 =1-MF2 =1-MF3 =1-MF4 =1-MF5 =1-MF6 +EXT +EXT +EXT +EXT +EXT +EXT X/2.8 -AMB /1.3 /1.4 /1.4 -XTB7...
  • Page 83 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 2L1/1.5 2L2/1.5 2L3/1.5 =2-F4 NB27 =2-F5 =2-KF1 =2-KF2 =2-KF3 =2-MF1 =2-MF2 =2-MF3 =2-MF4 =2-MF5 =2-MF6 +EXT +EXT +EXT +EXT +EXT +EXT Y/2.8 -K22 -K23 -K24 /1.9 /1.10 /1.10 -XTB10 -XP3 -XP3 -XP3 =2-KF1 =2-KF2...

  • Page 84: Figure 18: Fan Wiring, High Air Flow

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Fan wiring 035-21583-118 Rev H 1L1/1.1 NB40 1L2/1.1 1L3/1.1 =1-F6 =1-F4 =1-F5 NB12 NB54 NB55 NB15 =1-KF1 =1-KF2 =1-KF3 =1-KF4 =1-KF5 =1-KF6 =1-MF1 =1-MF2 =1-MF3 =1-MF4 =1-MF5 =1-MF6 +EXT +EXT +EXT +EXT +EXT +EXT...
  • Page 85 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 2L1/1.5 2L2/1.5 2L3/1.5 =2-F4 =2-F5 =2-F6 NB12 NB54 NB14 NB15 =2-KF1 =2-KF2 =2-KF3 =2-KF4 =2-KF5 =2-KF6 =2-MF1 =2-MF2 =2-MF3 =2-MF4 =2-MF5 =2-MF6 +EXT +EXT +EXT +EXT +EXT +EXT Y/2.8 -K22 -K23 -K24 /1.9 /1.10...

  • Page 86: Figure 19: Single And Dual Point Wiring Options

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Single and dual point wiring options 035-21583-116 Rev E 208/230V-3-60HZ 208/230V-3-60HZ 208/230V-3-60HZ 460V-3-60HZ 460V-3-60HZ 575V-3-60HZ 460V-3-60HZ 575V-3-60HZ 380/415V-3-50/60HZ 575V-3-60HZ 380/415V-3-50/60HZ 380/415V-3-50/60HZ -QSD -QCB -XTBC -QSD NB17 NB16 =1-QCB =2-QCB SINGLE POINT WIRING OPTIONS 208/230V-3-60HZ 460V-3-60HZ 575V-3-60HZ...
  • Page 87 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 This page is intentionally left blank. Johnson Controls...

  • Page 88: Figure 20: Pump Wiring

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Pump wiring 035-21583-105 Rev G 1L1/1.1 1L2/1.1 -J11 -AMB 1L3/1.1 NB19 -QMMSP1 -QMMSP2 1/1.1 149/2.3 -XTB8 -AMB V/2.3 -K11 -K13 /1.6 /1.5 -XTB8 -XTB8 -XTBC2 -XTBC2 +EXT NB52 +EXT +EXT -KP1 -KP2 +EXT 2/2.5...
  • Page 89 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Pump wiring 1L1/1.1 1L2/1.1 1L3/1.1 -J11 -AMB -KP2 -KP1 -UFSC2 UFSC2 1/1.1 -XTB8 -AMB 149/2.2 V/2.4 -K11 -K13 /1.5 /1.6 -XTB8 -XTB8 -XTBC2 -XTBC2 =1-XTBF -KP1 +EXT +EXT 2/2.8 2/1.2 LD27950b DWG.

  • Page 90: Figure 21: Eev Controller Elementary Diagram

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Connection - EEV option 035-21499-105 Rev C =1-EEVC INPUT CONFIGURATION 0-10V J15-3 P15 TO MICROBOARD STEP-1 J15-7 STEP-2 STEP-3 POLARITY DIRECTION RESPONSE TIME PULSE PER SECOND 200pps VALVE OPERATION TO SYSTEM #1 EEV 24V+ 24V- FROM TRANSFORMER -1T...
  • Page 91 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 This page is intentionally left blank. Johnson Controls...

  • Page 92: Figure 22: Compressor Wiring

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Compressor wiring 035-21589-106 REV N Figure 22: Compressor Wiring Johnson Controls...
  • Page 93 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Figure 23 - Compressor Wiring (Cont’d) Johnson Controls...

  • Page 94: Figure 23: Power Options Connection Diagram

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Power options connection diagram 035-21589-103 REV C 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C 1L1A 1L2A 1L3A 2L1A 2L2A 2L3A 1L1C 1L2C 1L3C 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C 1L1A 1L2A 1L3A...
  • Page 95 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 2L1C 2L2C 2L3C -KP1 -KP2 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C LD13234D Figure 24 - Power Options Connection Diagram (CONT’D) Johnson Controls...

  • Page 96: Figure 24: Power Panel

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Power panel 035-21589-101 REV H Figure 24: Power Panel Johnson Controls...
  • Page 97 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Figure 25 - Power Panel (CONT’D) Johnson Controls...
  • Page 98 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Micro panel connections ---> -AMB -XP2 -XTB7 119A 122A 129A 118A 118B 120A 127A 131A 119A 118A 121A 128A 120A 127A -XP2 121A 129B 122B 119B 122A 131B 127B 120B NB34 118B 128B 121B...

  • Page 99: Figure 25: Micro Panel Connections

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 035-21589-102 REV. O -J15 -XP5 -ADIS NB46 BRN-NEG BRN-POS SHLD GND + +5V GND RXD TXD CTS RTS SHLD REF - BRN-NEG -SOA BRN-POS NB32 NB37 BLCT:BLK BECT:BLK BAMB:BLK BDAT:BLK BLCT:RED BECT:RED BAMB:RED BDAT:RED...

  • Page 100: Figure 26: Four Fan Units Dimensions - Ylaa0041He, Ylaa0048He, Ylaa0058He, Ylaa0065He

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Four fan units Dimensions – YLAA0041HE, YLAA0048HE, YLAA0058HE, YLAA0065HE, YLAA0081HE, YLAA0082HE 1678 [66.1] 1117 [44.0] 035-24059-001 REV-E POWER ENTRY 330.2 [13.00] WIDE X 177.8 [7.00] HIGH 1177 [46.4] CONTROL PANEL BOTTOM DETAIL DISCONNECT SWITCH (OPTIONAL) 51 [2.0]...

  • Page 101: Figure 27: Four Fan Units Dimensions - Ylaa0070Se, Ylaa0080Se, Ylaa0089Se

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Four fan units Dimensions – YLAA0070SE, YLAA0080SE, YLAA0089SE 1678 [66.1] 1117 [44.0] 035-24059-002 REV-E POWER ENTRY 330.2 [13.00] WIDE X 177.8 [7.00] HIGH (190mm x 120mm EUROPEAN BUILD) 1177 [46.4] (1298mm EUROPEAN BUILD) CONTROL PANEL BOTTOM DETAIL OPTIONAL DISCONNECT SWITCH...

  • Page 102: Figure 28: Four Fan Units Dimensions - Ylaa0070Zj

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Four fan units Dimensions – YLAA0070ZJ YLAA Model (length) (width) (height) YLAA0070SE 116.0 88.3 94.2 88.5 42.8 13.4 19.0 84.5 68.3 23.0 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 103: Figure 29: Five Fan Units Dimensions - Ylaa0100Se

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Five fan units Dimensions – YLAA0100SE 2795 [110.0] 035-24059-004 REV-E 1678 [66.1] 561 [22.1] POWER ENTRY 330.2 [13.00] WIDE X 177.8 [7.00] HIGH (190mm x 120mm EUROPEAN BUILD) 1177 [46.4] 1298mm EUROPEAN BUILD CONTROL PANEL BOTTOM DETAIL OPTIONAL (OPTIONAL HEAT...

  • Page 104: Figure 30: Five Fan Units Dimensions - Ylaa0100Zj

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Five fan units Dimensions – YLAA0100ZJ 5/8” DIA. MOUNTING HOLES (TYP) (TYP) Five Fan Units YLAA Model (length) (width) (height) YLAA0100SE 143.5 88.3 94.2 88.5 42.8 18.6 85.5 23.0 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 105: Figure 31: Six Fan Units Dimensions - Ylaa0092He, Ylaa0101He, Ylaa0115Se, Ylaa0120Se

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Six fan units Dimensions – YLAA0092HE, YLA0101HE, YLAA0115SE, YLAA0120SE 2795 [110.0] 1678 [66.1] 035-24059-006 REV E 561 [22.1] POWER ENTRY 330.2 [13.00] WIDE X 177.8 [7.00] HIGH (190mm x 120mm EUROPEAN BUILD) 1177 [46.4] 1298mm EUROPEAN BUILD CONTROL PANEL BOTTOM DETAIL...

  • Page 106: Figure 32: Eight Fan Units Dimensions - Ylaa0125He, Ylaa0136Se, Ylaa0139He, Ylaa0142He

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Eight fan units Dimensions – YLAA0125HE, YLAA0136SE, YLAA0139HE, , YLAA0142HE, YLAA0150SE, YLAA0155SE 035-24059-010 REV-D POWER ENTRY 330.2 [13.00] WIDE X 177.8 [7.00] HIGH 1177.0 [46.35] CONTROL PANEL BOTTOM DETAIL (OPTIONAL HEAT 3”...

  • Page 107: Figure 33: Eight Fan Units Dimensions - Ylaa0155Zj

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Eight fan units YLAA0155ZJ Water connection sizes are shown in Physical Data, see Table 5 on page (TYP) 8Fan_assyax YLAA Model (length) (width) (height) YLAA0155SE 187.5 88.3 94.2 88.5 42.8 17.3 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 108: Figure 34: Ten Fan Units Dimensions - Ylaa0170Se, Ylaa0156He, Ylaa0175He

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Ten fan units Dimensions – YLAA0170SE, YLAA0156HE, YLAA0175HE 15.9mm [5/8”] DIA MOUNTING HOLES (TYP.) 035-24059-012 REV-B POWER ENTRY 330.2 [13.00] WIDE X 177.8 [7.00] HIGH 1177 [46.35] CONTROL PANEL BOTTOM DETAIL 1839.5 1621.5 1753.2...

  • Page 109: Figure 35: Twelve Fan Units Dimensions - Ylaa200He, Ylaa0230He

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Twelve fan units Dimensions – YLAA0200HE, YLAA0230HE 035-24059-017 REV- 15.9mm [5/8”] DIA MOUNTING HOLES (TYP.) POWER ENTRY 330.2 [13.00] WIDE X 177.8 [7.00] HIGH 1177 [46.35] CONTROL PANEL BOTTOM DETAIL 1305.1 [51.38] 1753.2 [69.03] 1839.5 [72.42] 1611.6 [63.45]...

  • Page 110: Weight Distribution And Isolator Mounting Positions

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Weight distribution and isolator Whenever the isolator option is ordered, the isolators mounting positions will be shipped loose with the chiller. Packed with the isolators and also in the control panel informa- General tion packet is a drawing and table specifically for each chiller, based on the option selection.

  • Page 111: Clearances

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Clearances See Figure 37 below for minimum clearances for all YLAA units. (2 m) (1.3 m) NOTES: 1. No obstructions allowed above the unit. 2. Only one adjacent wall may be higher than the unit. 3.

  • Page 112: Isolator Locations

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Isolator locations Four fan isolator locations - YLAA0041HE, YLAA0048HE, YLAA0058HE, YLAA0065HE, YLAA0081HE, YLAA0082HE LD18078 Four fan isolator locations - YLAA0070SE, YLAA0080SE, YLAA0089SE LD18079 All dimensions are inches unless otherwise specified. Johnson Controls...
  • Page 113 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Five and six fan isolator locations - YLAA0100SE, YLAA0120SE, YLAA0092HE, YLAA0101HE LD18080 Eight fan isolator locations - YLAA0136SE, YLAA0155SE, YLAA0139HE, YLAA0142HE LD18081 All dimensions are inches unless otherwise specified. Johnson Controls...
  • Page 114 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Ten fan isolator locations - YLAA0170SE, YLAA0156HE, YLAA0175HE LD18082 Twelve fan isolator locations - YLAA0200HE, YLAA0230HE VIEW LD21040 All dimensions are inches unless otherwise specified. Johnson Controls...

  • Page 115: Isolator Information

    Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Isolator information 1 in. deflection spring isolator cross-reference 5/8" Ø1/2" H" C" T" B" L" D" W" LD13759A Mount Dimension Data (In.) Type Type a 7 3/4 6 1/2 4 3/4 5 5/8 type b 10 1/2...
  • Page 116 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 1 in. deflection spring isolators installation instructions 1. Read instructions in their entirety before begin- 6. The adjustment process can only begin after the ning installation. equipment or machine is at its full operating weight.
  • Page 117 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 2 in. deflection isolator cross-reference 1-1/8" 5" 5/8" 2-3/4" 2-3/4" 12" 3/8" GAP 5/8-11UNC Ø3/4" TYP. (4) TYP.(4) 3/4" 7/8" 1/2" LIMIT STOP & 8-3/8" OPER. HEIGHT 12-1/4" 14" LD13761A 3-1/2" 3/8"...
  • Page 118 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 2 in. deflection isolator installation and adjustment 1. Read instructions in their entirety before begin- equipment or bracket to the top plate (“A”) of iso- ning installation. lator with a minimum of 3/8 fillet welds 2 in. long at 3 in.
  • Page 119 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Neoprene isolator cross-reference MOLDED DURULENE ø D THRU TYP 2 PLACES LD13760A 1. All dimensions are inches, interpreted per ANSI 4. AL = Mounting hole center to center spacing. Notes: Y14. 1.
  • Page 120 Form 150.72-ICOM6 Section 5: Technical data Issue date: 12/19/2023 Installation of Neoprene vibration isolators 1. Read instructions in their entirety before begin- 4. Bolt or anchor all isolators to supporting structure ning installation. utilizing base hrough holes (“B”). 2. Isolators are shipped fully assembled and are to be 5.

  • Page 121: Section 6: Commissioning

    Form 150.72-ICOM6 Issue date: 12/19/2023 Section 6: Commissioning Commissioning of this unit should only coils with the full operating charge as given in Section be carried out by Johnson Controls Au- 5: Technical data. thorized personnel. ALWAYS keep the water pump running when vacuuming the system, removing refrigerating from the system or adding refrigerant to the system until the process...
  • Page 122 Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 7. Monitor the reading of the scale and shut off the Fans valve when the scale reaches W. Check that all fans are free to rotate and are not dam- aged. Ensure blades are at the same height when ro- 8.

  • Page 123: Figure 38: Eev Ib-G Interface Board

    The inlet For Copeland compressors, use YORK V should be at the refrigerant piping connection end of oil, YORK P/N 011-00949-000. the cooler. Purge air from the top of the cooler using the plugged air vent mounted on the extension pipe.

  • Page 124: Commissioning The Pump Vfd

    Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 Commissioning the pump VFD fore placing the unit back in service, valves should be opened and power must be switched ON (if power is 1. Put pump in HAND mode. removed for more than 8 hours) for at least 8 hours (24 hours if ambient temperature is below 86°F [30°C]) before the unit is restarted.
  • Page 125 Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 Programming the drive Instructions to access Service Mode are located on the chiller control panel. 1. To enable Service Mode, set the unit rocker switch to OFF. LD18421 2. Press the Program key. 3.

  • Page 126: Figure 39: Drive Display

    Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 GROUP NAVIGATION PARAMETER STRUCTURE LD29434 Figure 39: Drive Display Leave all other settings not listed in the following table in their default values. Table 14: Drive programming parameters Parameter code Description Setting 9902 Function select 9905...

  • Page 127: Figure 40: Circuit Breaker Panel

    Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 For a 200 A trip setting, set switches 0.08 and 0.32 Setting the adjustable breaker in the up position. This results in the following The maximum over current protection (MOCP) for calculation: each chiller is provided on the nameplate.

  • Page 128: Determining Proper Oil Levels

    Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 Determining proper oil levels The following charts list the proper oil levels in tandem and trio compressor manifold sets. TANDEM COMPRESSOR COMPRESSOR OIL LEVEL STATUS 1/8 to full SG Bottom of SG Bottom of SG 1/8 to full SG LD29440...
  • Page 129 Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 YLAA INSTALLATION CHECKLIST Supersedes 150.72-CL1 (320) Form 150.72-CL1 (1220) START-UP CHECKLIST CUSTOMER: ____________________________________ JOB NAME: ____________________________________ ADDRESS: _____________________________________ LOCATION: ____________________________________ PHONE: ________________________________________ CUSTOMER ORDER NO: _________________________ JCI TEL NO: _____________________ JCI ORDER NO: __________________ JCI CONTRACT NO: ______________ CHILLER MODEL NO: ____________________________ UNIT SERIAL NO: _______________________________...
  • Page 130 Remote Temperature Reset discharge service valves ..........External Evaporator Pump 7. Place the Unit Switch in the control panel to the ON YORK Hydro Kit Pump position ................ Pump Selection NOTE: The chilled liquid setpoint may need to be Data Log to Flashcard Enabled temporarily lowered to ensure all compressors cycle ON.
  • Page 131 Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 A. CHECKING SUPERHEAT AND SUBCOOLING The subcooling temperature of each system can be calcu- Example: lated by recording the temperature of the liquid line at the Suction temp. = 46°F outlet of the condenser and subtracting it from the liquid minus suction press.
  • Page 132 Form 150.72-ICOM6 Section 6: Commissioning Issue date: 12/19/2023 This page is intentionally left blank. Johnson Controls...

  • Page 133: Section 7: Unit Controls

    LD13283 Introduction IPU II and I/O boards The YORK Control Center is a microprocessor based The IPU and I/O boards are assembled to function as control system designed to provide the entire control a single microprocessor controller. The IPU II board for the liquid chiller.

  • Page 134: Transformer

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 are supplied power for the micro board +5 V supply. Keypad 24 VAC is rectified, but not regulated, to provide un- The 12 button non-tactile keypad allows the user to regulated +30 VDC to supply all of the digital inputs. retrieve vitals system parameters such as system pres- sures, temperatures, compressor running times and The I/O board contains one green “Power”...

  • Page 135: Status Key

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Status key 00066VIP Unit status D A I L Y S C H E D U L E Pressing the STATUS key will enable the operator to S H U T D O W N determine current chiller operating status.
  • Page 136 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 The limiting pressure is a factory set limit to keep the S Y S C O O L L O A D system from faulting on the high discharge pressure S Y S C O O L L O A D cutout due to high load or pull down conditions.
  • Page 137 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 OVERRIDE is to only be used in emergencies or for S Y S L O W S U C T P R E S S servicing. Manual override mode automatically disables S Y S L O W S U C T...
  • Page 138 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 This fault condition is present when CR1 (SYS 1) or This safety will shut down a system if either suction CR2 (SYS 2) relays de-energize due to the HP switch temperature or suction pressure sensors read out of or motor protector opening.
  • Page 139 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Unit Safeties tripped or both have been set to OFF. Setting at least one of the devices to ON resets the trip. Unit safeties are faults that cause all running compres- sors to be shut down.
  • Page 140 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 pressure cutout is the programmable cutout. The trip voltage is programmed at the factory accord- ing to compressor or unit RLA. When the operating envelope is a standard operating envelope and the suction pressure is less than 94.0 Restart occurs after the anti-recycle timer times out.
  • Page 141 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 2) opens causing 0 VDC to be read on the input. The Low superheat cutout (EEV mode only) fault condition is cleared and will allow to restart the The Low Superheat Cutout protects the compressors system when a 30 VDC signal is restored to the input from liquid flowing back due to low suction superheat.

  • Page 142: Table 15: Ylaa Fault And Inhibit Codes

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Table 15: YLAA Fault and Inhibit Codes Auto, 1x, 3x Code Type Fault or Inhibit Description See Table 16 Unit Fault Low Ambient Temperature Auto Unit Fault Low Leaving Chilled Liquid Temperature Auto Unit Fault Unit High Motor Current (Unit Current Feedback Option)

  • Page 143: Figure 43: Status Key Messages Quick Reference List

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 STATUS KEY MESSAGES General Messages Fault Messages Unit Safeties & System Safeties Unit Switch Off Warning Messages Shutdown Remote Controlled System X High Disch Pressure Low Ambient Temp Shutdown Daily Schedule Low Liquid Temp System X Low Suct Pressure Shutdown...

  • Page 144: Display/Print Keys

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Display/print keys 00067VIP The Display/Print keys allow the user to retrieve sys- With the “UNIT TYPE” set as a liquid chiller (no tem and unit information that is useful for monitoring jumper from J11-7 to J11-12 on the I/O Board), the chiller operation, diagnosing potential problems, trou- following list of operating data screens are viewable...
  • Page 145 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 S Y S 7 2 . 1 P S I G C O O L I N G D E M A N D = 2 2 7 . 0 P S I G S T E P S These displays show suction and discharge pressures The display of COOLING DEMAND indicates the...
  • Page 146 2 message is displayed. ISN – YORK Talk via ISN allows remote load limiting and temperature reset through an ISN system. The fourth message indicates the stage of condenser fan operation that is active.

  • Page 147: Figure 44: Operation Data

    DEFROST TERMINATION TIME 3MIN BIVALENT HEAT DELAY TIME 30 MIN Current Feedback One Per System REMOTE UNIT ID PROGRAMMED YORK HYDRO KIT PUMPS 1 (410a) PUMP TOTAL RUN HOURS XXXXX (410a) * Block of information repeats for each system LD12585 UNIT DATA RETURN LIQUID TEMP 58.2 DEGF...
  • Page 148 SUN START=00:00AM STOP=00:00AM MON START=00:00AM STOP=00:00AM follows. TUE START=00:00AM STOP=00:00AM WED START=00:00AM STOP=00:00AM THU START=00:00AM STOP=00:00AM YORK INTERNATIONAL CORPORATION FRI START=00:00AM STOP=00:00AM MILLENNIUM LIQUID CHILLER SAT START=00:00AM STOP=00:00AM SAFETY SHUTDOWN NUMBER 1 HOL START=00:00AM STOP=00:00AM SHUTDOWN @ 3:56PM...
  • Page 149 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Displays Local or Remote control selection. History displays The HISTORY key gives the user access to many unit C O N T R O L M O D E and system operating parameters at the time of a unit L E A V I N G L I Q U I D or system safety shutdown.
  • Page 150 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Displays the programmed Low Ambient Cutout. Displays the Ambient Temp. at the time of the fault. L E A V I N G L I Q U I D T E M P L E A D S Y S T E M S Y S T E M...
  • Page 151 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Software version S Y S L L S V X X X The software version may be viewed by first pressing H O T G A S S O L X X X the HISTORY key and then repeatedly pressing the ↓...

  • Page 152: Entry Keys

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Entry keys 00068VIP The Entry Keys allows the user to view, change pro- Enter/ADV key grammed values. The ENTRY keys consist of an ↑ (UP) The ENTER/ADV key must be pushed after any change arrow key, ↓...

  • Page 153: Setpoints Keys

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Setpoints keys 00069VIP Programming of the cooling setpoints, daily schedule, Leaving chilled liquid control and safeties is accomplished by using the keys located S E T P O I N T 4 5 .

  • Page 154: Schedule/Advance Day Key

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 center of the control range. If the control mode has The following messages illustrate both leaving chilled been programmed for RETURN LIQUID control, the liquid control and return chilled liquid control respec- message below would be displayed in place of the pre- tively.

  • Page 155: Table 17: Cooling Setpoint, Programmable Limits, And Defaults

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Table 17: Cooling Setpoint, Programmable Limits, and Defaults Setpoint key Mode Low limit High limit Default 40.0°F **70.0°F 44.0°F WATER COOLING 4.4°C 21.1°C 6.7°C 10.0°F **70.0°F 44.0°F Leaving chilled liquid setpoint GLYCOL COOLING* -12.2°C 21.1°C...

  • Page 156: Program Key

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 There are some exceptions when the suc- F A N 0 0 : 0 0 tion pressure is permitted to temporarily I N H I B I T 0 0 : 0 0 drop below the cutout point.
  • Page 157 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 The Fan Control On Pressure is the programmed pres- System trip volts sure value that is used to stage the condenser fans on, in For individual system high current trip programming relation to discharge pressure.

  • Page 158: Table 18: Program Key Limits And Default

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Table 18: Program key limits and default Program value Mode Low limit High limit Default 325 psig 575 psig 570 psig Discharge pressure cutout — 22.41 barg 39.64 barg 39.30 barg 87.0 psig 120.0 psig 87.0 psig...

  • Page 159: Figure 45: Setpoints Quick Reference List

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Table 18: Program key lmiits and details, continued Program value Mode Low limit High limit Default 360 psig 420 psig 390 psig VSD fan low ambient discharge — pressure setpoint 24.82 barg 28.96 barg 26.89 barg 60 psig...

  • Page 160: Table 19: Program Key Limits And Default

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Service mode Use the Service Mode to view all the inputs and enable normal control. The user can disable the Service Mode or disable all the outputs on the unit, except the com- by turning on the unit switch or by powering off and on pressors.
  • Page 161 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Table 19: Program key limits and details, continued Program value Low limit High limit Options Default R-410A/R-454B NONE, ONE PER Hot Gas Bypass Valve Type — — SYS 1 UNIT, or ONE PER SYSTEM (R-410A/R-454B Chiller or...

  • Page 162: Unit Keys

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Unit keys OPTIONS OPTIONS CLOCK CLOCK 00070VIP Options key Option 2 : System switches (two system units only) There are many user programmable options under the OPTIONS key. The OPTIONS key is used to scroll (Single System Display is similar) through the list of options by repeatedly pressing the S Y S...
  • Page 163 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Option 3: Ambient control type Option 5: Unit control mode A M B I E N T C O N T R O L C O N T R O L M O D E R E T U R N L I Q U I D...
  • Page 164 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Option 7: Lead/lag type (two system units Option 9: Manual override mode only) M A N U A L O V E R R I D E M O D E D I S A B L E D L E A D / L A G C O N T R O L...
  • Page 165 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Option 11: Power fail restart Option 14: Refrigerant type P O W E R F A I L R E S T A R T R E F R I G E R A N T T Y P E A U T O M A T I C R –...
  • Page 166 P U M P S After the update is completed, an automatic reboot will When YORK HYDRO KIT PUMPS = 1, the controls occur. If an error occurred, the following message will will be closed to run the pumps whenever any one of appear with the error code and no reboot will occur.
  • Page 167 Option 21: Flash card data logging The displays for this PUMP SELECTION option When the following message appears, data logging is should only appear if “YORK HYDRO KIT PUMPS disabled. = 2” are selected under Option 19. D A T A L O G...
  • Page 168 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 To change the day, time, and date press the CLOCK Option 23: Variable water outlet mode key. The display will show something similar to the When the following option is selected, the variable wa- following: ter outlet mode is enabled.

  • Page 169: Figure 46: Unit Keys Options Programming Quick Reference List

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Options Key Expansion Valve Type (press Options Key (Thermoplastic or Electric) to adv.) (Programmed under Service Display Language Mode, Viewable Only) Must be programmed for Thermostatic System Switches on/off Flash Card Update Chilled Liquid Type (water or glycol) Remote Temp Reset...

  • Page 170: Bacnet, Modbus, N2, And Yorktalk 2 Communications

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 BACnet, Modbus, N2, and Yorktalk 2 • RS-485: connect to TB2 - Network (-1) to TB2 (-1); Network (+1) to TB2 (+1) communications • RS-232: connect to TB3 - Network (RX) to TB3 Data can be read and in some cases modified using a (TXD);...

  • Page 171: Figure 47: Micro Panel Connections

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 035-02550-xxx I/O Board LD14318 Figure 47: Micro Panel Connections The table below shows the minimum, maximum, and default values. Table 20: Minimum, Maximum and Default Values DESCRIPTION MINIMUM MAXIMUM DEFAULT DE MODIFIER ADDRESS 41943 DE MODIFIER OFFSET P1 BAUD RATE...

  • Page 172: Table 21: Values Required For Bas Communication

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 The table below shows set-up requirements for each communication protocol. Table 21: Values Required for BAS Communication Protocol Setting description BACnet MS/TP Modbus RTU YorkTalk 2 De modifier address 0 to 41943 0 to 41943 De modifier offset 0 to 99...

  • Page 173: Table 22: Real Time Error Numbers

    Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 Table 22: Real Time Error Numbers Communications data map notes Error See Table 22 on page 173. number Description 1. IPU II based units are configured for Native BAC- (##) net MS/TP and Modbus RTU communications. All ok E-Link Gateway not required for these two com- Datum type ok test failed...
  • Page 174 Form 150.72-ICOM6 Section 7: Unit controls Issue date: 12/19/2023 YorkTalk 2 communications Transmitted data After receiving a valid transmission from the E-Link Received data, control data Gateway, the unit will transmit either operational data The unit receives eight data values from the E-Link or history buffer data depending on the “History Buffer Gateway.

  • Page 175: Section 8: Unit Operation

    Form 150.72-ICOM6 Issue date: 12/19/2023 Section 8: Unit operation Unit operating sequence 7. As the load decreases below setpoint, the com- pressors will be shut down in sequence. This will The operating sequence described below relates to op- occur at intervals of either 60, 30, or 20 seconds eration on a hot water start after power has been ap- based on water temperature as compared to set- plied, such as start-up commissioning.

  • Page 176: Suction Pressure Limit Controls

    Form 150.72-ICOM6 Section 8: Unit operation Issue date: 12/19/2023 Suction pressure limit controls If after 60 seconds of run-time the leaving chilled liq- uid temperature is still above the Setpoint High Limit, The anticipatory controls are intended to prevent the the next compressor in sequence will be energized.

  • Page 177: Leaving Chilled Liquid Control Override To Reduce Cycling

    Form 150.72-ICOM6 Section 8: Unit operation Issue date: 12/19/2023 Table 23: Sample compressor staging for return water control 4 Compressor Cooling Setpoint = 45 °F (7.2 °C) Range = 10 °F (5.6 °C) # of Comp ON * 1+HG 45°F 46.25°F 47.5°F 50.0°F...

  • Page 178: Leaving Chilled Liquid System Lead/Lag And Compressor Sequencing

    Return chilled liquid system lead/lag and compressor sequencing Evaporator pump control and YORK hydro kit pump control A Lead/Lag option may be selected to help equalize average run hours between systems with 2 refriger- The evaporator pump dry contacts (XTBC2 –...

  • Page 179: Evaporator Heater Control

    DO NOT SELECT the page 180. Detailed Standard Fan Control operation option “YORK HYDRO KIT PUMPS = 2” under the is shown in Table 24 on page 181 and Table 25 on OPTIONS key. If a dual pump option is installed, the page 182.

  • Page 180: Figure 50: Condenser Fan Locations

    Form 150.72-ICOM6 Section 8: Unit operation Issue date: 12/19/2023 YLAA0041HE, YLAA0048HE, YLAA0058HE, YLAA0065HE, YLAA0070SE, YLAA0080SE, YLAA0092HE, YLAA0115SE, YLAA0081HE, YLAA0082HE, YLAA0100SE YLAA0101HE YLAA0089SE YLAA0120SE, =2-MF1 =1-MF2 =2-MF1 =1-MF2 =2-MF1 =2-MF2 =1-MF2 =2-MF1 =1-MF2 =1-MF3 =2-MF2 =2-MF2 =1-MF1 =2-MF3 =1-MF1 =2-MF3 =2-MF4 =1-MF1 =2-MF3 =2-MF2...

  • Page 181: Table 24: Ylaa Standard Condenser Fan Control Using Discharge Pressure Only (2, 3, Or 4 Fans Per System)

    Form 150.72-ICOM6 Section 8: Unit operation Issue date: 12/19/2023 Table 24: YLAA Standard Condenser Fan Control Using Discharge Pressure Only (2, 3, or 4 Fans per System) IPU I/O OUTPUT FAN # CONTACTOR OFF** STAGE SYS 1 SYS 2 SYS 1 SYS 2 SYS 1 SYS 2...

  • Page 182: Table 25: Ylaa Standard Condenser Fan Control Using Discharge Pressure Only (5 Or 6 Fans Per System)

    Form 150.72-ICOM6 Section 8: Unit operation Issue date: 12/19/2023 The time delay (fan delay timer) between turning fan stages on and off is fixed at 5 seconds. Table 25: YLAA Standard Condenser Fan Control Using Discharge Pressure Only (5 or 6 Fans per System) IPU I/O OUTPUT FAN CONTACTOR FAN #...

  • Page 183: Load Limiting

    There are two ways to load limit the unit. The first is through remote communication via an ISN. Load limit stages are sent through YORK Talk on pages 9 and 10 Compressor run status of feature 54. Page 9 is stage 1 load limit and page 10 is stage 2 load limit.

  • Page 184: Remote Bas/Ems Temperature Reset Using A Voltage Or Current Signal

    Form 150.72-ICOM6 Section 8: Unit operation Issue date: 12/19/2023 to 30. System 2 alarm contacts are located at XTBC2 – If a 4 mA to 20 mA signal is supplied, it is applied to Terminals 31 to 32. The alarm contacts will close when Terminals A+ and A- and jumper JP1 on the I/O board conditions allow the unit to operate, or the fault is reset must be installed between pin 1 and 2.

  • Page 185: Section 9: Service And Troubleshooting

    Form 150.72-ICOM6 Issue date: 12/19/2023 Section 9: Service and troubleshooting Clearing history buffers Service mode, outputs The history buffers may be cleared by pressing the After pressing the key sequence as described, the con- HISTORY key and then repeatedly pressing the UP trol will enter Service Mode permitting the outputs arrow key until you scroll past the last history buffer (except compressors), operating hours, refrigerant...

  • Page 186: Service Mode, Chiller Configuration

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 “NORTH AMERICAN FEATURE SET ENABLED” SYS 2 STARTS HYDRO PUMP SELECTION The last displays shown on the above list are for the ac- EVAP PUMP TOTAL RUN HOURS cumulated run and start timers for each system. All val- SYS 1 HOURS ues can also be changed using the ↑...

  • Page 187: Control Inputs/Outputs

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 TB7-3 S Y S S U C T J 7 - 1 0 SYS 1 Liquid Line Solenoid Valve 2 . 1 V D C P S I G TB7-4 SYS 1 Compressor 2 TB7-5 SYS 1 Compressor 3...

  • Page 188: Figure 51: Microboard Layout

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 I/O BOARD BOARD TB10 LD12721 Figure 51: Microboard Layout Johnson Controls...

  • Page 189: Checking Inputs And Outputs

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Checking inputs and outputs Table 31: Outdoor Air Sensor Temperature/Voltage/ Correlation Digital inputs VOLTAGE See the unit wiring diagram. All digital inputs are con- TEMP °F (Signal Input to TEMP °C Return) nected to J13-1 of the I/O board.

  • Page 190: Table 32: Entering/Leaving Chilled Liquid Temp. Sensor, Temperature/Voltage Correlation

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Table 32: Entering/Leaving Chilled Liquid Temp. Sen- Liquid and refrigerant sensor test points sor, Temperature/Voltage Correlation See Table 32 on page 190. VOLTAGE TEMP °F (Signal Input TEMP °C Entering chilled liquid sensor to Return) J6-5 = +5 VDC regulated supply to sensor.

  • Page 191: Table 33: Pressure Transducers

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 J9-7 = +5 VDC return Table 33: Pressure Transducers 0-400 PSIG SUCTION 0-600 PSIG DISCHARGE J9-2 = drain (shield connection = 0 VDC) PRESSURE PRESSURE TRANSDUCER TRANSDUCER The suction transducers have a range from 0 to 400 PRESSURE VOLTAGE PRESSURE...

  • Page 192: Figure 52: I/O Board Relay Contact Architecture

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Each output is controlled by the microprocessor by Data logging to flash switching 120 VAC to the respective output connection Enabling Data Logging to Flash energizing contactors, evaporator heater, and solenoids The user can enable data logging to an SD card in the according to the operating sequence.

  • Page 193: Table 34: Data Logging To Flash

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Table 34: Data logging to flash Data Header Data Number Text Unit Format Value Description Date x/x/xxxx Date Time x:x:x Time (24 Hour Format) Elapsed Time Elapsed time (seconds since data logging started) LCHLT °F Leaving Chilled Liquid Temperature...
  • Page 194 Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Table 34: Data logging to flas, continued Data Header Data Number Text Unit Format Value Description Sys 1 EEV Controller State 031-02755-001, -003 Sys 1 CSHALG_CURRENT_CYCLE_INDEX, S1 EEV Ctlr State 0 = Setup, 1 = Off, 2 = Pulldown, 3 = Controlling, 4 = Pumpdown, 5 = MOP Control 031-02755-004 S1 Dfst Temp...

  • Page 195: Optional Printer Installation

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Table 34: Data logging to flas, continued Data Header Data Number Text Unit Format Value Description Sys 1 CSHALG_PROPORTIONAL_CONTRIBUTION_INDEX S1 Prop Cont In (0-10000 in x100 format) Sys 1 CSHALG_INTEGRAL_CONTRIBUTION_INDEX S1 Int Cont In (0-1000000 in x10000 format) Sys 1 CSHALG_DERIVATIVE_CONTRIBUTION_INDEX...

  • Page 196: Figure 53: Printer To Microboard Electrical Connections

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Assembly and wiring Obtaining a printout Assemble and wire all components as shown in Figure To obtain a printout, press the PRINT key on the key- 53. Strip the outside insulation back several inches and pad and then press either the OPER DATA key or HIS- individual wires about 3/8 in.

  • Page 197: Troubleshooting

    Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Troubleshooting Table 35: Troubleshooting Problem Cause Solution 1. No 115 VAC to 24 VAC 1a. Check wiring and fuse 1FU. Transformer. 1b. Check wiring emergency stop contacts 5 to L of XTBC2 Terminal Block. 1c.
  • Page 198 Form 150.72-ICOM6 Section 9: Service and troubleshooting Issue date: 12/19/2023 Table 35: Troubleshooting, continued Problem Cause Solution 1. Improperly adjusted leaving 1. Re-program the leaving chilled liquid temp. chilled liquid temp. cutout (glycol cutout. only). 2. Micro panel setpoint/range 2. Re-adjust setpoint/range. values improperly programmed.

  • Page 199: Section 10: Maintenance

    Failure to follow cleaning guidelines can result in Use YORK “V” oil 011-00949-000, when heat exchanger damage, including leaks or loss of per- adding oil to Copeland compressor. The formance.
  • Page 200 Form 150.72-ICOM6 Section 10: Maintenance Issue date: 12/19/2023 in the heat exchanger surface until it is clean. For • Do not contact the coil with a hard object such as YLAA chiller, rinse the microchannel coils from a hose nozzle, hard vacuum nozzle, or any other the inside out through the access window on the tool.
  • Page 201 Form 150.72-ICOM6 Section 10: Maintenance Issue date: 12/19/2023 Environment Guard Premium coils are rect amount of salt reducer solution and water in coated with a black epoxy coating.. accordance with the manufacturer’s directions on the container. Use a hand-held pump sprayer to apply the solution on the coils.

  • Page 202: Operating Parameters

    Form 150.72-ICOM6 Section 10: Maintenance Issue date: 12/19/2023 Do not use 2-part Urethane Mastic on Operating parameters finned coil surface. Using Urethane Perform regular checks on the system to ensure that Mastic on finned surfaces can result in operating temperatures and pressures are within limi- blockage of fin sections which will lead tations, and that the operating controls are set within to reduction in air flow across the coil.

  • Page 203: Table 37: Temperature Conversion Chart

    Form 150.72-ICOM6 Section 10: Maintenance Issue date: 12/19/2023 TEMPERATURE CONVERSION CHART Table 37: Temperature conversion chart Temperature Conversion Chart - Temperature Conversion Chart - Actual Temperatures Differential Temperatures ° F ° C °C °F ° F ° C °C °F -17.8 -0.4 -15.6...

  • Page 204: Table 38: R-410A Pressure Temperature Chart

    Form 150.72-ICOM6 Section 10: Maintenance Issue date: 12/19/2023 Table 38: R-410A pressure temperature chart psig Temperature, ˚F psig Temperature, ˚F Johnson Controls...

  • Page 205: Table 39: R-454B Pressure Temperature Chart

    Form 150.72-ICOM6 Section 10: Maintenance Issue date: 12/19/2023 Table 39: R-454B pressure temperature chart psig Temperature, ˚F psig Temperature, ˚F – – – – – Johnson Controls...

  • Page 206: Temperature

    Form 150.72-ICOM6 Section 10: Maintenance Issue date: 12/19/2023 The following factors can be used to convert from English to the most common SI Metric values. Table 40: SI-metric conversion Measurement Multiply English unit By factor To obtain metric unit Capacity Tons Refrigerant Effect (ton) 3.516 Kilowatts (kW)
  • Page 207 Form 150.72-ICOM6 Section 10: Maintenance Issue date: 12/19/2023 This page is intentionally left blank. Johnson Controls...
  • Page 208 5000 Renaissance Drive, New Freedom, Pennsylvania USA 17349 1-800-524-1330 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2023 www.johnsoncontrols.com All Rights Reserved Form 150.72-ICOM6 (1223) Issue Date: December 19, 2023 Supersedes: 150.72-ICOM6 (1023)

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