York YLAA0285SE Manual

Air-cooled scroll chillers with microchannel condenser coils style a (50 hz) 57 - 142 ton

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AIR-COOLED SCROLL CHILLER

Supersedes 150.72-NM3 (811)

Form 150.72-NM3 (1020)

INSTALLATION, OPERATION, MAINTENANCE

035-21911-001

YLAA0195 - YLAA0515

AIR-COOLED SCROLL CHILLERS

WITH MICROCHANNEL CONDENSER COILS

STYLE A (50 HZ)

57 - 142 TON

R-410A

Issue Date:

Products are produced at a

f a c i l i t y w h o s e q u a l i t y -

management systems are

October 5, 2020

ISO9001 certified.

Table of Contents

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Summary of Contents for York YLAA0285SE

Page 1 AIR-COOLED SCROLL CHILLER Supersedes 150.72-NM3 (811) Form 150.72-NM3 (1020) INSTALLATION, OPERATION, MAINTENANCE 035-21911-001 YLAA0195 - YLAA0515 AIR-COOLED SCROLL CHILLERS WITH MICROCHANNEL CONDENSER COILS STYLE A (50 HZ) 57 - 142 TON R-410A Issue Date: Products are produced at a f a c i l i t y w h o s e q u a l i t y - management systems are October 5, 2020 ISO9001 certified.
Page 2 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 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 installation, operation, maintenance or service, death to themselves and people at the site. individuals may be exposed to certain components or conditions including, but not limited to: refrigerants, This document is intended for use by owner-authorized...
Page 3 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 4: Table Of Contents
FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 TABLE OF CONTENTS SECTION 1 – GENERAL CHILLER INFORMATION & SAFETY ..............13 INTRODUCTION ............................13 WARRANTY ...............................13 SAFETY AND QUALITY..........................13 Standards for Safety and Quality .......................13 Responsibility for Safety ........................14 ABOUT THIS MANUAL ..........................14 MISUSE OF EQUIPMENT .........................14 Suitability for Application ........................14 Structural Support ..........................14 Mechanical Strength ..........................14...
Page 5 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 TABLE OF CONTENTS (CONT’D) SECTION 4 – INSTALLATION ........................37 INSTALLATION CHECKLIST ........................37 HANDLING ..............................37 INSPECTION ..............................37 LOCATION AND CLEARANCES ......................37 Foundation ............................38 Ground Level Locations ........................38 Rooftop Locations ..........................38 Noise Sensitive Locations ........................38 SPRING ISOLATORS (OPTIONAL) ......................38 COMPRESSOR MOUNTING ........................38 REMOTE COOLER OPTION ........................38 CHILLED LIQUID PIPING .........................38...
Page 6 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 TABLE OF CONTENTS (CONT’D) ELECTRICAL INFORMATION ........................49 Electrical Notes ............................50 Electrical Data ............................51 Wiring Lugs ............................52 ELECTRICAL NOTES AND LEGEND .....................53 WIRING DIAGRAMS ..........................56 Elementary Wiring Diagrams - YLAA0195 ..................56 Connection Wiring Diagrams - YLAA0195 ..................74 Elementary Wiring Diagrams - YLAA0220 - YLAA0515 ..............88 Connection Diagrams - YLAA0220 - YLAA0515................96 DIMENSIONS (ENGLISH) ........................
Page 7 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 TABLE OF CONTENTS (CONT’D) CHECKING SUPERHEAT AND SUBCOOLING ...................135 LEAK CHECKING ............................135 UNIT OPERATING SEQUENCE ......................136 SECTION 7 – UNIT CONTROLS ........................137 INTRODUCTION ............................137 IPU II and I/O Boards .........................137 Display ..............................138 Keypad ..............................138 Battery Back-up ..........................138 Transformer ............................138 Programming # of Compressors ......................138...
Page 8 RETURN CHILLED LIQUID CONTROL ....................169 RETURN CHILLLED LIQUID SYSTEM LEAD/LAG AND COMPRESSOR SEQUENCING .....170 ANTI-RECYCLE TIMER ..........................171 ANTI-COINCIDENCE TIMER ........................171 EVAPORATOR PUMP CONTROL & YORK ..................171 HYDRO KIT PUMP CONTROL .......................171 EVAPORATOR HEATER CONTROL .....................171 PUMPDOWN CONTROL .........................171 STANDARD CONDENSER FAN CONTROL ..................171 LOAD LIMITING ............................175...
Page 9 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 TABLE OF CONTENTS (CONT’D) SECTION 10 – MAINTENANCE ........................189 IMPORTANT .............................189 COMPRESSORS .............................189 Oil Level check ..........................189 Oil Analysis ............................189 CONDENSER FAN MOTORS .........................189 CONDENSER COILS ..........................189 OPERATING PARAMETERS ........................189 ON-BOARD BATTERY BACK-UP ......................189 PLATE AND FRAME HEAT EXCHANGER (EVAPORATOR) HEATER ..........189 OVERALL UNIT INSPECTION .......................189 MICROCHANNEL COIL CLEANING .....................190...
Page 10 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 LIST OF FIGURES FIG. 1 – UNIT COMPONENTS FRONT ....................23 FIG. 2 – UNIT COMPONENTS SIDE ......................24 FIG. 3 – POWER PANEL COMPONENTS .....................25 FIG. 4 – POWER PANEL / CONTROL COMPONENTS ...............26 FIG. 5 – REFRIGERANT FLOW DIAGRAM ..................33 FIG.
Page 11 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 LIST OF FIGURES (CONT.) FIG. 43 – DIMENSIONS (ENGLISH) YLAA0300HE,YLAA0360SE, YLAA0400SE ......113 FIG. 44 – DIMENSIONS (ENGLISH) YLAA0435SE (ENGLISH) ............114 FIG. 45 – DIMENSIONS (ENGLISH) YLAA0350HE (ENGLISH) ............115 FIG. 46 – DIMENSIONS (ENGLISH) YLAA0390HE, YLAA0485SE............. 116 FIG.
Page 12 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 LIST OF TABLES TABLE 1 – TEMPERATURES AND FLOWS ..................45 TABLE 2 – VOLTAGE LIMITATIONS .....................45 TABLE 3 – ETHYLENE & PROPYLENE GLYCOL CORRECTION FACTORS ........46 TABLE 4 – PHYSICAL DATA (ENGLISH) .....................47 TABLE 4A – PHYSICAL DATA (ENGLISH) .....................48 TABLE 5 –...
Page 13: Section 1 - General Chiller Information & Safety
INTRODUCTION For warranty purposes, the following conditions must be satisfied: YORK YLAA0195 - 0515 (57 -142 ton, 200 - 500kW) chillers are manufactured to the highest design and • The initial start of the unit must be carried out by...
Page 14: Responsibility For Safety
FORM 150.72-NM3 (1020) SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE 10/05/2020 Responsibility for Safety The contents of this manual include suggested best working practices and procedures. These are issued for Every care has been taken in the design and manufacture guidance only, and they do not take precedence over of the unit to ensure compliance with the safety the above stated individual responsibility and/or local...
Page 15: Pressure Systems
FORM 150.72-NM3 (1020) SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE 10/05/2020 Pressure Systems Sharp Edges The unit contains refrigerant vapor and liquid under The fins on the air-cooled condenser coils have sharp pressure, release of which can be a danger and cause metal edges.
Page 16 FORM 150.72-NM3 (1020) SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE 10/05/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...
Page 17: Section 2 - Product Description
SECTION 2 – PRODUCT DESCRIPTION GENERAL SYSTEM DESCRIPTION INTRODUCTION Compressors YORK YLAA Air-Cooled Scroll Chillers provide chilled water for all air conditioning applications using The chiller has suction-gas cooled, hermetic, scroll central station air handling or terminal units. They are compressors.
Page 18: Condenser
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 The evaporator is constructed, tested and stamped in DISPLAY/PRINT of typical information: accordance with applicable sections of ASME pressure • Chilled liquid temperatures vessel code for minimum 31.0 barg (450 psig) refrigerant •...
Page 19: High Ambient Kit
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 UNIT ON/OFF switch The operating program is stored in non-volatile memory The microprocessor control center is capable of (EPROM) to eliminate chiller failure due to AC powered displaying the following: failure/battery discharge.
Page 20: Accessories And Options
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 ACCESSORIES AND OPTIONS POWER OPTIONS POWER FACTOR CORRECTION CAPACITORS Will correct unit compressor power factors to a 0.90- 0.95. (Factory-mounted) COMPRESSOR POWER CONNECTIONS Single-point terminal block connection(s) are provided CONTROL OPTIONS as standard.
Page 21: Condenser And Cabinet Options
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 HOT GAS BY-PASS HYDRO-KIT Permits continuous, stable operation at capacities below Factory installed Hydro-Kit suitable for water glycol the minimum step of compressor unloading to as low systems with up to 35% glycol at leaving temperatures as 5% capacity (depending on both the unit and operat- down to 20°...
Page 22 FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 LOUVERED PANELS (CONDENSER COIL SOUND ATTENUATION ONLY) One or both of the following sound attenuation options Louvered panels are mounted on the sides and ends are recommended for residential or other similar sound of the condenser coils for protection.
Page 23: Unit Components
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 UNIT COMPONENTS FAN DECK POWER PANEL CONTROL PANEL MICROCHANNEL COILS LIQUID TIGHT CONDUIT COMPRESSORS FILTER DRIERS FORMED BASE RAIL SIGHT GLASS VALVES EVAPORATOR LD14317 FIG. 1 – UNIT COMPONENTS FRONT JOHNSON CONTROLS...
Page 24: Fig. 2 - Unit Components Side
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 UNIT COMPONENTS (CONT) FAN ASSEMBLIES CONDENSER CONDENSER COILS COILS EVAPORATOR RECEIVERS LD13426 FIG. 2 – UNIT COMPONENTS SIDE JOHNSON CONTROLS...
Page 25: Control / Power Panel Components
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 CONTROL / POWER PANEL COMPONENTS DISCONNECT SWITCH FAN FUSES FAN CONTACTORS FAN CONTACTOR COMPRESSOR OVERLOADS XTBF1 COMPRESSOR CONTACTORS LD13247 FIG. 3 – POWER PANEL COMPONENTS JOHNSON CONTROLS...
Page 26: Fig. 4 - Power Panel / Control Components
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 CONTROL / POWER PANEL COMPONENTS (CONT) FAN FUSES MICROCOMPUTER CONTROL FAN CONTACTORS CONTROL RELAY CENTER MICROPANEL DISPLAY KEYPAD COMPRESSOR OVERLOADS XTBC1 MICROBOARD XTBC2 COMPRESSOR XTBF2 CONTACTORS LD13248 FIG. 4 – POWER PANEL / CONTROL COMPONENTS JOHNSON CONTROLS...
Page 27: Product Identification Number (Pin)
NOMINAL UNIT REFRIGERANT VOLTAGES STARTER DESIGN/DEVELOPMENT CAPACITY DESIGNATOR LEVEL Y = YORK L = Scroll A = Air Cooled A = Development Level Condensing Unit C = Design Series A, B, C A = Americas X = Across the Line...
Page 28 FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 PRODUCT IDENTIFICATION NUMBER (PIN) (CON’T) FEATURE FEATURE DESCRIPTION OPTION OPTION DESCRIPTION VOLTS VOLTAGE (PIN 11 & 12) 380-415/3/50 ACROSS THE LINE STARTER STARTER STARTER (PIN 13) SOFT START DESIGN SERIES A (MICROCHANNEL) DESIGN DESIGN SERIES (PIN 14) DESIGN SERIES B (TUBE AND FIN)
Page 29 FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 PRODUCT IDENTIFICATION NUMBER (PIN) (CON’T) FEATURE FEATURE DESCRIPTION OPTION OPTION DESCRIPTION LEAVING WATER TEMP = {TEMP/NUM} DEGREES TEMP LEAVING WATER TEMP(29,30) SPECIAL LWT REQUIREMENTS NO CHICAGO CODE KIT REQUIRED BOTH CHICAGO CODE &...
Page 30 FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 PRODUCT IDENTIFICATION NUMBER (PIN) (CON’T) FEATURE FEATURE DESCRIPTION OPTION OPTION DESCRIPTION STANDARD COOLER REQUIRED COOLER (PIN 43) REMOTE COOLER REQUIRED SPECIAL COOLER REQUIRED FEATURE FEATURE DESCRIPTION OPTION OPTION DESCRIPTION PIN44 PIN 44 SPECIAL QUOTE...
Page 31 FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 PRODUCT IDENTIFICATION NUMBER (PIN) (CON’T) FEATURE FEATURE DESCRIPTION OPTION OPTION DESCRIPTION PIN 51 PIN 51 SPECIAL QUOTE STANDARD LOW SOUND FANS REQUIRED HIGH AIRFLOW FANS REQUIRED (VENDOR SPECIFIC) LOW SOUND FANS REQUIRED (VENDOR SPECIFIC) ULTRA QUIET FANS REQUIRED FANS SOUND FANS (PIN 52)
Page 32 FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 PRODUCT IDENTIFICATION NUMBER (PIN) (CON’T) FEATURE FEATURE DESCRIPTION OPTION OPTION DESCRIPTION NO PUMP REQUIRED PUMP KIT A REQUIRED PUMP KIT B REQUIRED PUMP KIT C REQUIRED PUMP KIT D REQUIRED PUMP KIT E REQUIRED PUMP KIT F REQUIRED PUMP KIT G REQUIRED...
Page 33: Fig. 5 - Refrigerant Flow Diagram
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 PRODUCT IDENTIFICATION NUMBER (PIN) (CON’T) AIR COOLED CONDENSERS YLAA REFRIGERANT FLOW DIAGRAM (INCLUDING TEMPERATURE SENSORS & PRESSURE TRANSDUCERS) * HOT GAS OPTION - SYSTEM 1 ONLY SIGHT GLASS / MOISTURE INDICATOR LIQUID LINE FILTER / DRIER LIQUID LINE...
Page 34: Process And Instrumentation Diagram
FORM 150.72-NM3 (1020) SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE 10/05/2020 PROCESS AND INSTRUMENTATION DIAGRAM 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...
Page 35: Section 3 - Handling And Storage
FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 SECTION 3 – HANDLING AND STORAGE DELIVERY AND STORAGE MOVING THE CHILLER To ensure consistent quality and maximum reliability, Prior to moving the unit, ensure that the installation site all units are tested and inspected before leaving the is suitable for installing the unit and is easily capable factory.
Page 36: Fig. 7 - Unit Rigging/Lifting
FORM 150.72-NM3 (1020) SECTION 3 – HANDLING AND STORAGE ISSUE DATE 10/05/2020 Typical Lifting Arrangement - 8 Fan Models LD13137 Use spreader bars to avoid lifting chains hitting the chiller. Never lift the chiller using a forklift or by hooking to the top rails. Use only the lifting holes provided.
Page 37: Section 4 - Installation
FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 SECTION 4 – INSTALLATION To ensure warranty coverage, this INSPECTION equipment must be commissioned and Immediately upon receiving the unit, it should be serviced by an authorized Johnson inspected for possible damage which may have Controls service mechanic or a quali- occurred during transit.
Page 38: Foundation
FORM 150.72-NM3 (1020) SECTION 4 – INSTALLATION ISSUE DATE 10/05/2020 Foundation SPRING ISOLATORS (OPTIONAL) When ordered, four (4) isolators will be furnished. The unit should be mounted on a flat and level Identify the isolator, locate at the proper mounting point, foundation, floor, or rooftop capable of supporting and adjust per instructions.
Page 39: Pipework Arrangement
STRAINER 7. A chilled water flow switch, (either by YORK or others) MUST be installed in the leaving water piping of the cooler. There should be a straight PRESSURE TAPPING horizontal run of at least 5 diameters on each side of the switch.
Page 40: Duct Work Connection
FORM 150.72-NM3 (1020) SECTION 4 – INSTALLATION ISSUE DATE 10/05/2020 Copper power wiring only should be used for supplying DUCT WORK CONNECTION power to the chiller. This is recommended to avoid safety General Requirements and reliability issues resulting from connection failure at The following duct work recommendations are intended the power connections to the chiller.
Page 41: Alarm Status Contacts
FORM 150.72-NM3 (1020) SECTION 4 – INSTALLATION ISSUE DATE 10/05/2020 Alarm Status Contacts Load Limit Input Normally-open contacts are available for each re frigerant Load limiting is a feature that prevents the unit from system. These normally-open contacts close when the loading beyond a desired value.
Page 42: Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch Or Circuit Breaker
FORM 150.72-NM3 (1020) SECTION 4 – INSTALLATION ISSUE DATE 10/05/2020 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...
Page 43: User Control Wiring Inputs
FORM 150.72-NM3 (1020) SECTION 4 – INSTALLATION ISSUE DATE 10/05/2020 USER CONTROL WIRING INPUTS 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 LD13130...
Page 44: User Control Wiring Outputs
FORM 150.72-NM3 (1020) SECTION 4 – INSTALLATION ISSUE DATE 10/05/2020 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 45: Section 5 - Technical Data
ISSUE DATE 10/05/2020 SECTION 5 – TECHNICAL DATA OPERATIONAL LIMITATIONS (ENGLISH) TABLE 1 – TEMPERATURES AND FLOWS Nominal Evaporator Water Flow Temperature (°F) Water Flow (gpm) Air On Condenser (°F) Unit Designation YLAA0285SE YLAA0320SE YLAA0360SE YLAA0400SE YLAA0435SE YLAA0485SE High Efficiency YLAA0195HE YLAA0220HE...
Page 46: Heat Exchanger Flow, Gpm
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 HEAT EXCHANGER FLOW, GPM Y L AA E v a p o ra to r P re s s u re D ro p (S I U n its ) 1 0 0 0 1 0 0 1 0 0...
Page 47: Physical Data (English)
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 PHYSICAL DATA (ENGLISH) STANDARD EFFICIENCY YLAA0285 - YLAA0485 50Hz TABLE 4 – PHYSICAL DATA (ENGLISH) Refrigerant R-410A STANDARD EFFICIENCY UNITS General Unit Data YLAA 0285 0320 0360 0400 0435 0485 Nominal Kw, R-410A Length (mm)
Page 48: High Efficiency Ylaa0195 - Ylaa0515
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 PHYSICAL DATA (ENGLISH) HIGH EFFICIENCY YLAA0195 - YLAA0515 50Hz TABLE 4A – PHYSICAL DATA (ENGLISH) Refrigerant R-410A HIGH EFFICIENCY UNITS General Unit Data YLAA 0195 0220 0260 0300 0350 0390 0440 0455...
Page 49: Electrical Information
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELECTRICAL INFORMATION TABLE 5 – MICROPANEL POWER SUPPLY OVER CURRENT PROTECTION, CONTROL UNIT VOLTAGE SEE NOTE B NF DISC Sw POWER NOTE A UNIT MODELS w/o VOLTAGE CONTROL 115-1-60/50 30 A / 240V TRANS 200-1-60...
Page 50: Electrical Notes
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELECTRICAL NOTES NOTES: 1. Minimum Circuit Ampacity (MCA) is based on 125% of the rated load amps for the largest motor plus 100% of the rated load amps for all other loads included in the circuit, per N.E.C. Article 430-24. If the optional Factory Mounted Control Transformer is provided, add the following MCA values to the electrical tables for the system providing power to the transformer: -17, add 2.5 amps;...
Page 51: Electrical Data
DISC SW DISC SW FUSE & FUSE & AMPS & MAX CB AMPS & MIN CB FUSE & AMPS MIN CB MIN CB MAX CB MAX CB YLAA0285SE YLAA0320SE YLAA0360SE YLAA0400SE YLAA0435SE YLAA0485SE YLAA0195HE YLAA0220HE YLAA0260HE YLAA0300HE YLAA0350HE YLAA0390HE YLAA0440HE YLAA0455HE...
Page 52: Wiring Lugs
ETL CB System CBs CB per Sys NFDS W/ MMS YLAA0285SE (1) #4 - 500 kCMIL (2) #3/0 AWG - 250 kCMIL (1) #6 AWG - 350 kCMIL (2) #3/0 AWG - 250 kCMIL (2) #3/0 AWG - 250 kCMIL...
Page 53: Electrical Notes And Legend
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELECTRICAL NOTES AND LEGEND 035-21966-101 REV G o i t o i t A CC A CCESSORY -QCB CIRCUIT BREAKER - ADIS DISPLAY BOARD MANUA L MOTOR STA RTER COMPRESSOR -QMMSC -QSD SWITCH DISCONNECT...
Page 54 Thus, these circuits when used must be fed via the common point of isolation the voltage to these circuits is removed when the common point of isolation to the unit is opened. This common point of isolation is not supplied by YORK. The YORK voltage free contacts are rated at 100va.
Page 55 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELECTRICAL NOTES AND LEGEND (CONTINUED) Only fitted on systems with single speed fans. Only fitted on systems with two speed fans. Optional compressor manual motors starters (standard on CE units). See sheet 3 of connection diagram for power input options.
Page 56: Wiring Diagrams
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 WIRING DIAGRAMS ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-201 REV D FIG. 12 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 1 JOHNSON CONTROLS...
Page 57 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 58: Fig. 13 - Elementary Wiring Diagram, Ylaa0195 Sht 2
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-202 REV D FIG. 13 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 2 JOHNSON CONTROLS...
Page 59 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 60: Fig. 14 - Elementary Wiring Diagram, Ylaa0195 Sht 3
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-203 REV D FIG. 14 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 3 JOHNSON CONTROLS...
Page 61 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 62: Fig. 15 - Elementary Wiring Diagram, Ylaa0195 Sht 4
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-204 REV D FIG. 15 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 4 JOHNSON CONTROLS...
Page 63 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 JOHNSON CONTROLS...
Page 64: Fig. 16 - Elementary Wiring Diagram, Ylaa0195 Sht 5
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-205 REV D FIG. 16 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 5 JOHNSON CONTROLS...
Page 65 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 66: Fig. 17 - Elementary Wiring Diagram, Ylaa0195 Sht 6
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-206 REV D FIG. 17 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 6 JOHNSON CONTROLS...
Page 67 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 68: Fig. 18 - Elementary Wiring Diagram, Ylaa0195 Sht 7
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-207 REV D FIG. 18 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 7 JOHNSON CONTROLS...
Page 69 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 70: Fig. 19 - Elementary Wiring Diagram, Ylaa0195 Sht 8
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-208 REV D FIG. 19 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 8 JOHNSON CONTROLS...
Page 71 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 72: Fig. 20 - Elementary Wiring Diagram, Ylaa0195 Sht 9
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0195 035-21583-209 REV D FIG. 20 – ELEMENTARY WIRING DIAGRAM, YLAA0195 SHT 9 JOHNSON CONTROLS...
Page 73 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 74: Connection Wiring Diagrams - Ylaa0195
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION WIRING DIAGRAMS - YLAA0195 035-21589-201 REV D FIG. 21 – CONNECTION WIRING DIAGRAM, YLAA0195 SHT 1 JOHNSON CONTROLS...
Page 75 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 76: Fig. 22 - Connection Wiring Diagram, Ylaa0195 Sht 2
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION WIRING DIAGRAMS - YLAA0195 035-21589-202 REV D FIG. 22 – CONNECTION WIRING DIAGRAM, YLAA0195 SHT 2 JOHNSON CONTROLS...
Page 77 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 78: Fig. 23 - Connection Wiring Diagram, Ylaa0195 Sht 3
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION WIRING DIAGRAMS - YLAA0195 035-21589-203 REV D FIG. 23 – CONNECTION WIRING DIAGRAM, YLAA0195 SHT 3 JOHNSON CONTROLS...
Page 79 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 80: Fig. 24 - Connection Wiring Diagram, Ylaa0195 Sht 4
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION WIRING DIAGRAMS - YLAA0195 035-21589-204 REV D FIG. 24 – CONNECTION WIRING DIAGRAM, YLAA0195 SHT 4 JOHNSON CONTROLS...
Page 81 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 82: Fig. 25 - Connection Wiring Diagram, Ylaa0195 Sht 5
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION WIRING DIAGRAMS - YLAA0195 035-21589-205 REV D FIG. 25 – CONNECTION WIRING DIAGRAM, YLAA0195 SHT 5 JOHNSON CONTROLS...
Page 83 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 84: Fig. 26 - Connection Wiring Diagram, Ylaa0195 Sht 6
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION WIRING DIAGRAMS - YLAA0195 035-21589-206 REV D FIG. 26 – CONNECTION WIRING DIAGRAM, YLAA0195 SHT 6 JOHNSON CONTROLS...
Page 85 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 86: Fig. 27 - Connection Wiring Diagram, Ylaa0195 Sht 7
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION WIRING DIAGRAMS - YLAA0195 035-21589-207 REV D FIG. 27 – CONNECTION WIRING DIAGRAM, YLAA0195 SHT 7 JOHNSON CONTROLS...
Page 87 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 88: Elementary Wiring Diagrams - Ylaa0220 - Ylaa0515
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0220 - YLAA0515 035-21583-101 REV D 035-21583-101 REV B LD13143A FIG. 28 – ELEMENTARY WIRING DIAGRAM, YLAA0220 - YLAA0515, SHT 1 JOHNSON CONTROLS...
Page 89 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 LD13144A JOHNSON CONTROLS...
Page 90: Fig. 29 - Elementary Wiring Diagram, Ylaa0220 - Ylaa0515, Sht 2
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0220 - YLAA0515 035-21583-102 REV D 035-21583-102 REV D FIG. 29 – ELEMENTARY WIRING DIAGRAM, YLAA0220 - YLAA0515, SHT 2 JOHNSON CONTROLS...
Page 91 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 92: Fig. 30 - Elementary Wiring Diagram, Ylaa0220 - Ylaa0515, Sht 3
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0220 - YLAA0515 035-21583-103 REV B FIG. 30 – ELEMENTARY WIRING DIAGRAM, YLAA0220 - YLAA0515, SHT 3 JOHNSON CONTROLS...
Page 93 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 94: Fig. 31 - Elementary Wiring Diagram, Ylaa0220 - Ylaa0515, Sht 4
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ELEMENTARY WIRING DIAGRAMS - YLAA0220 - YLAA0515 035-21583-104 REV B FIG. 31 – ELEMENTARY WIRING DIAGRAM, YLAA0220 - YLAA0515, SHT 4 JOHNSON CONTROLS...
Page 95 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 JOHNSON CONTROLS...
Page 96: Connection Diagrams - Ylaa0220 - Ylaa0515
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION DIAGRAMS - YLAA0220 - YLAA0515 POWER PANEL 035-21589-101 REV C 035-21589-101 REV B LD13235A FIG. 32 – CONNECTION DIAGRAM, YLAA0220 - YLAA0515, SHT 1 JOHNSON CONTROLS...
Page 97 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 LD13236A JOHNSON CONTROLS...
Page 98: Fig. 33 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 2
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION DIAGRAMS - YLAA0220 - YLAA0515 MICROPANEL CONECTIONS 035-21589-102 REV D 035-21589-102 REV C LD13240A FIG. 33 – CONNECTION DIAGRAM, YLAA0220 - YLAA0515, SHT 2 JOHNSON CONTROLS...
Page 99 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 LD13241A JOHNSON CONTROLS...
Page 100: Fig. 34 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 3
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION DIAGRAMS - YLAA0220 - YLAA0515 POWER OPTIONS CONNECTION DIAGRAM 035-21589-103 REV B LD13234A FIG. 34 – CONNECTION DIAGRAM, YLAA0220 - YLAA0515, SHT 3 JOHNSON CONTROLS...
Page 101 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 LD13901 JOHNSON CONTROLS...
Page 102: Fig. 35 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 6
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION DIAGRAMS - YLAA0220 - YLAA0515 COMPRESSOR WIRING 035-21589-106 REVC 035-21589-106 REV E FIG. 35 – CONNECTION DIAGRAM, YLAA0220 - YLAA0515, SHT 6 LD13900 JOHNSON CONTROLS...
Page 103 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 LD13233A JOHNSON CONTROLS...
Page 104: Fig. 36 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 7
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 CONNECTION DIAGRAMS - YLAA0220 - YLAA0515 CONDENSER FAN MAPPING AND SEQUENCING 035-21589-107 REV A LD13147 FIG. 36 – CONNECTION DIAGRAM, YLAA0220 - YLAA0515, SHT 7 JOHNSON CONTROLS...
Page 105 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 LD13232 JOHNSON CONTROLS...
Page 106: Fig. 37 - Wiring Diagram, Single Point Wiring Options
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 WIRING DIAGRAM - POWER SUPPLY SINGLE POINT WIRING OPTIONS FIG. 37 – WIRING DIAGRAM, SINGLE POINT WIRING OPTIONS JOHNSON CONTROLS...
Page 107: Fig. 38 - Dual Pump Wiring
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DUAL PUMP WIRING LD13237 FIG. 38 – DUAL PUMP WIRING JOHNSON CONTROLS...
Page 108: Fig. 39 - Wiring
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 WIRING LD13238 FIG. 39 – WIRING JOHNSON CONTROLS...
Page 109 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 LD13239 JOHNSON CONTROLS...
Page 110: Fig. 40 - Layout - Power Blocks And Transformers
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 LAYOUT - POWER BLOCKS AND TRANSFORMERS FIG. 40 – LAYOUT - POWER BLOCKS AND TRANSFORMERS JOHNSON CONTROLS...
Page 111: Dimensions (English)
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS (ENGLISH) YLAA0195HE 2398 2251 1082 2159 2242 2911 NOTE: safety cutouts; however, the system designer must Placement on a level surface of free of obstructions consider potential performance degradation. Access to (including snow, for winter operation) or air circulation the unit control center assumes the unit is no higher than ensures rated performance, reliable operation, and ease...
Page 112: Fig. 42 - Dimensions (English) Ylaa0220He, 0260He, 0285Se, & 320Se
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS - YLAA0220HE, 0260HE, 0285SE, & 320SE (ENGLISH) 2391 2251 1082 2159 2911 2242 NOTE: safety cutouts; however, the system designer must Placement on a level surface of free of obstructions consider potential performance degradation.
Page 113: Fig. 43 - Dimensions (English) Ylaa0300He,Ylaa0360Se, Ylaa0400Se
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS - YLAA0300HE,YLAA0360SE, YLAA0400SE (ENGLISH) 5/8" DIA MOUNTING HOLES(TYP) 2077 14012 POWER ENTRY 8712 WIDE X 178 HIGH VIEW B-B BOTOM OF PANEL 28 (TYP) ORIGIN 2977 TOP VIEW 2393 6"...
Page 114: Fig. 44 - Dimensions (English) Ylaa0435Se (English)
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS - YLAA0435SE (ENGLISH) 5/8" DIA MOUNTING HOLES(TYP) 14012 POWER ENTRY 8712 WIDE X 178 HIGH 2077 BOTOM OF PANEL VIEW B-B 28 (TYP) ORIGIN 2977 TOP VIEW 2393 8"...
Page 115: Fig. 45 - Dimensions (English) Ylaa0350He (English)
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS - YLAA0350HE (ENGLISH) 5/8" DIA MOUNTING HOLES(TYP) POWER ENTRY 14012 8712 WIDE X 178 HIGH 2077 VIEW B-B BOTOM OF PANEL 28 (TYP) ORIGIN 2977 TOP VIEW 2393 8"...
Page 116: Fig. 46 - Dimensions (English) Ylaa0390He, Ylaa0485Se
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS - YLAA0390HE, YLAA0485SE (ENGLISH) 5/8" DIA MOUNTING HOLES(TYP) 14012 POWER ENTRY 8712 WIDE X 178 HIGH VIEW B-B 2077 BOTOM OF PANEL 28 (TYP) ORIGIN 2977 TOP VIEW 2393 8"...
Page 117: Fig. 47 - Dimensions (English) Ylaa0440He
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS - YLAA0440HE (ENGLISH) 5/8" DIA MOUNTING HOLES(TYP) 2077 14012 POWER ENTRY 8712 WIDE X 178 HIGH VIEW B-B 28 (TYP) BOTTOM OF PANEL ORIGIN 1753 2032 TOP VIEW 8"...
Page 118: Fig. 48 - Dimensions (English) Ylaa0455He
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS - YLAA0455HE (ENGLISH) 5/8" DIA MOUNTING HOLES (TYP) 14012 POWER ENTRY 8712 WIDE X 178 HIGH 2077 VIEW B-B BOTTOM OF PANEL 28 (TYP) ORIGIN 1753 1918 TOP VIEW 8"...
Page 119: Fig. 49 - Dimensions (English) Ylaa0515He
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DIMENSIONS - YLAA0515HE (ENGLISH) 5/8" DIA MOUNTING HOLES (TYP) POWER ENTRY 14012 8712 WIDE X 178 HIGH VIEW B-B 2077 BOTTOM OF PANEL 28 (TYP) ORIGIN 1753 1918 TOP VIEW 8"...
Page 120: Technical Data - Clearances
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 TECHNICAL DATA – CLEARANCES (2 m) (1.3 m) LD13243 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. FIG.
Page 121: Weight Distribution And Isolator Mounting Positions
YLAA0260HE Isolator Weights (kg) (if selected) YLAA0260HE Isolator Locations (mm) (495, 2207) (2641, 2207) (495, 36) (2461, 36) YLAA0285SE Isolator Weights (kg) (if selected) YLAA0285SE Isolator Locations (mm) (495, 2207) (2641, 2207) (495, 36) (2461, 36) YLAA0320SE Isolator Weights (kg) (if selected)
Page 122 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 continued from previous page YLAA0300HE Isolator Weights (kg) (if selected) YLAA0300HE Isolator Locations (mm) (193, 2207) (3170, 2207) (193, 36) (3170, 36) YLAA0350HE Isolator Weights (kg) (if selected) YLAA0350HE Isolator Locations (mm) (193, 2207) (3170, 2207) (193, 36)
Page 123 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 continued from previous page YLAA0440HE Isolator Weights (kg) (if selected) YLAA0440HE Isolator Locations (mm) (193, 2207) (3170, 2207) (3863, 2207) (193, 36) (3170, 36) (3863, 36) YLAA0455HE Isolator Weights (kg) (if selected) YLAA0455HE Isolator Locations (mm) 1085 (193, 2207)
Page 124: Isoloator Data
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ISOLATOR DATA ONE INCH DEFLECTION SPRING ISOLATOR CROSS-REFERENCE 5/8" Ø1/2" H" C" T" B" L" D" W" LD13759A Mount Dimension Data (Inches) Type 7-3/4 6-1/2 4-3/4 5-5/8 10-1/2 9-1/4 7-3/4 9/16 RATED CAPACITY (FOR UNITS WITH ALL...
Page 125: One Inch Deflection Spring Isolators Installation Instructions
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 ONE INCH DEFLECTION SPRING ISOLATORS INSTALLATION INSTRUCTIONS 1. Read instructions in their entirety before beginning 5. Place equipment on top of isolators making sure installation. that mounting holes of the equipment line up with isolator positioning pin (“H”).
Page 126: Seismic Isolator Cross-Reference
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 SEISMIC ISOLATOR CROSS-REFERENCE Y2RS 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" 3-1/2" 3/8"...
Page 127: Seismic Isolator Installation And Adjustment Instructions
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 SEISMIC ISOLATOR INSTALLATION AND ADJUSTMENT INSTRUCTIONS 1. Read instructions in their entirety before beginning equipment or bracket to the top plate (“A”) of isola- installation. tor with a minimum of 3/8 fillet welds 2" long @ 3"...
Page 128: Duralene Isolator Cross-Reference
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 DURALENE ISOLATOR CROSS-REFERENCE RD-Style Isolators MOLDED DURULENE ø D THRU TYP 2 PLACES Notes: 1. All dimensions are inches, interpreted per ANSI Y14. 2. Refer to Page 98 for installation instructions. Refer to next page for installation instructions.
Page 129: Installation Of Durulene Vibration Isolators Instructions
FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 INSTALLATION OF DURULENE VIBRATION ISOLATORS INSTRUCTIONS 1. Read instructions in their entirety before beginning all isolator bases to the same elevation (1/32-inch installation. maximum difference can be tolerated). 2. Isolators are shipped fully assembled and are to be 4.
Page 130 FORM 150.72-NM3 (1020) SECTION 5 – TECHNICAL DATA ISSUE DATE 10/05/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...
Page 131: Section 6 - Commissioning
ISSUE DATE 10/05/2020 SECTION 6 – COMMISSIONING COMMISSIONING Compressor Oil To add oil to a circuit – connect a YORK hand oil Commissioning of this unit should pump (Part No. 470-10654-000) to the 1/4" oil charging only be carried out by...
Page 132: Supply Voltage
FORM 150.72-NM3 (1020) SECTION 6 – COMMISSIONING ISSUE DATE 10/05/2020 Supply Voltage Flow rates and pressure drops must be within the limits Verify that the site voltage supply corresponds to the given in the “Technical Data” section of ths IOM. unit requirement and is within the limits given in the Operation outside of these limits is undesirable and “Technical Data”...
Page 133: Equipment Pre-Startup & Startup Checklist
FORM 150.72-NM3 (1020) SECTION 6 – COMMISSIONING ISSUE DATE 10/05/2020 EQUIPMENT PRE-STARTUP & STARTUP CHECKLIST  7. Check the control panel to ensure it is free of JOB NAME: ______________________________ foreign material (wires, metal chips, etc.). SALES ORDER #: _________________________  8.
Page 134: Setpoints Entry List
FORM 150.72-NM3 (1020) SECTION 6 – COMMISSIONING ISSUE DATE 10/05/2020 The chilled liquid setpoint may need to TABLE 7 – SETPOINTS ENTRY LIST be temporarily lowered to ensure all OPTIONS Display Language compressors cycle “on.” Sys 1 Switch Sys 2 Switch Chilled Liquid * Ambient Control Local/Remote Mode...
Page 135: Checking Superheat And Subcooling
FORM 150.72-NM3 (1020) SECTION 6 – COMMISSIONING ISSUE DATE 10/05/2020 Assure that superheat is set at a minimum of 10 °F (5.56 CHECKING SUPERHEAT AND SUBCOOLING °C) with a single compressor running on each circuit. The subcooling temperature of each system can be calculated by recording the temperature of the liquid line ...
Page 136: Unit Operating Sequence
FORM 150.72-NM3 (1020) SECTION 6 – COMMISSIONING ISSUE DATE 10/05/2020 UNIT OPERATING SEQUENCE The operating sequence described below relates to 4. Several seconds after the compressor starts, the operation on a hot water start after power has been systems first condenser fan will be cycled on applied, such as start-up commissioning.
Page 137: Section 7 - Unit Controls
YORK MILLENNIUM CONTROL CENTER LD13283 INTRODUCTION IPU II and I/O Boards The YORK MicroComputer Control Center is a The IPU II and I/O boards are assembled to function as a microprocessor based control system designed to provide single microprocessor controller requiring no additional the entire control for the liquid chiller.
Page 138: Display
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 The on-board power supply converts 24VAC from Display messages may show characters indicating 75VA, 120/24 VAC 50/60Hz UL listed class 2 power “greater than” (>) or “less than” (<). These characters transformer to +12V, +5V and +3.3V using switching indicate the actual values are greater than or less than and linear voltage regulators located on the I/O and...
Page 139: Status" Key
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 “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 140 FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 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...
Page 141: Fault Safety Status Messages
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 S Y S P U M P I N G D O W N S Y S L O W S U C T P R E S S S Y S P U M P I N G D O W N...
Page 142 FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 The internal motor protector opens at 185 °F – 248 °F During the 30 minute timeout, the MP/HPCO INHIB (85 °C – 120 °C) and auto resets. The mechanical HP message will be displayed.
Page 143 FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 Unit Safeties U N I T F A U L T : H I G H M T R C U R R Unit safeties are faults that cause all running compressors to be shut down.
Page 144: Status Key Messages
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 STATUS KEY MESSAGES TABLE 8 – STATUS KEY MESSAGES QUICK REFERENCE LIST STATUS KEY MESSAGES General Messages Fault Messages Unit Safeties & System Safeties Unit Switch Off Warning Messages Shutdown Remote Controlled System X High Disch Pressure...
Page 145: Display/Print Keys
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 DISPLAY/PRINT KEYS 00067VIP The DISPLAY/PRINT keys allow the user to retrieve With the “UNIT TYPE” set as a liquid chiller (no jumper system and unit information that is useful for monitoring from J11-7 to J11-12 on the I/O Board), the following chiller operation, diagnosing potential problems, list of operating data screens are viewable under the...
Page 146 FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 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...
Page 147 2, so there is no message pertaining to the hot gas solenoid when ISN – YORK Talk via ISN allows remote load limiting system 2 message is displayed. and temperature reset through an ISN system.
Page 148: Oper Data Quick Reference List
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 See the “Condenser Fan Control” section in the “Unit TABLE 9 – OPERATION DATA Operation” section of this IOM for more information. Oper Data Key The fifth message displays current as sensed by the optional current feedback circuitry.
Page 149: Print Key
DEFROST TERMINATION TIME 3MIN THU START=00:00AM STOP=00:00AM BIVALENT HEAT DELAY TIME 30 MIN FRI START=00:00AM STOP=00:00AM REMOTE UNIT ID PROGRAMMED SAT START=00:00AM STOP=00:00AM YORK HYDRO KIT PUMPS 1 (410a) HOL START=00:00AM STOP=00:00AM PUMP TOTAL RUN HOURS XXXXX (410a) JOHNSON CONTROLS...
Page 150: History Printout
C O N T R O L history print and the header will be as follows. X X X X X X X X X X YORK INTERNATIONAL CORPORATION Displays the type of Ambient Control; Standard or Low MILLENNIUM LIQUID CHILLER Ambient.
Page 151 FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 C O N T R O L M O D E F A N C O N T R O L L E A V I N G L I Q U I D P R E S S U R E = X X X P S I G Displays the type of chilled liquid control;...
Page 152: Software Version
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 E V A P O R A T O R H E A T E R S Y S L L S V X X X S T A T U S X X X H O T G A S...
Page 153: Entry" Keys
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 “ENTRY” KEYS 00068VIP The ENTRY keys allows the user to view, change Enter/ADV Key programmed values. The ENTRY keys consist of an ↑ The ENTER/ADV key must be pushed after any change (UP) arrow key, ↓...
Page 154: Setpoints" Keys
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 “SETPOINTS” KEYS 00069VIP Programming of the cooling setpoints, daily schedule, Leaving Chilled Liquid Control and safeties is accomplished by using the keys located under the SETPOINTS section of the control panel. S E T P O I N T 4 5 .
Page 155: Return Chilled Liquid Control
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 When in leaving chilled liquid temperature control, The following messages illustrate both leaving the microprocessor board will attempt to control the chilled liquid control and return chilled liquid control leaving water temperature within the temperature range respectively.
Page 156: Table 10 - Cooling Setpoints, Programmable Limits And Defaults
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 TABLE 10 – COOLING SETPOINTS, 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 LEAVING CHILLED LIQUID SETPOINT 10.0 °F...
Page 157: Program Key
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 PROGRAM KEY L O W A M B I E N T T E M P There are several operating parameters under the C U T O U T 2 5 .
Page 158: System Trip Volts
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 F A N D I F F E R E N T I A L O F F N U M B E R F A N S P R E S S U R E X X X P S I G P E R...
Page 159: Unit Trip Volts
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 Unit Trip Volts R E M O T E U N I T P R O G R A M M E D For total chiller high current trip programming on 460VAC chillers: When communications is required with a BAS or •...
Page 160: Setpoints Quick Reference List
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 TABLE 12 – SETPOINTS QUICK REFERENCE LIST Quick Reference Programming Chart Setpoints Section Cooling Setpoints Key Schedule/ Program Mode (press key to adv.) Advance Day Key (press enter to adv.) Local Leaving Mon.
Page 161: Unit" Keys
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 “UNIT” KEYS OPTIONS CLOCK 00070VIP Options Key This allows both systems to run There are many user programmable options under the S Y S S W I T C H OPTIONS key.
Page 162 FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 Option 4 – Ambient Control Type: C O N T R O L M O D E L E A V I N G L I Q U I D A M B I E N T C O N T R O L S T A N D A R D...
Page 163 FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 Option 9 – Condenser Fan Control Mode: C U R R E N T F E E D B A C K O N E P E R S Y S T E M F A N C O N T R O L D I S C H A R G E...
Page 164 FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 Option 15 – Refrigerant Type: F L A S H C A R D U P D A T E E N A B L E D R E F R I G E R A N T T Y P E R –...
Page 165: Clock
The displays for this PUMP SELECTION option should pump kit or to control an external pump through dry only appear if “YORK HYDRO KIT PUMPS = 2" are contacts 23 and 24 on Terminal Block XTBC2. To use selected under Option 19. Presently, this option should this option, the following selection should be made in not be used.
Page 166: Unit Keys Options Programming Quick Reference List
FORM 150.72-NM3 (1020) SECTION 7 – UNIT CONTROLS ISSUE DATE 10/05/2020 TABLE 13 – UNIT KEYS OPTIONS PROGRAMMING QUICK REFERENCE LIST 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...
Page 167: Section 8 - Unit Operation
FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 SECTION 8 – UNIT OPERATION CAPACITY CONTROL LEAVING CHILLED LIQUID CONTROL To initiate the start sequence of the chiller, all run The setpoint, when programmed for Leaving Chilled permissive inputs must be satisfied (flow/remote start/ Liquid Control, is the temperature the unit will control stop switch), and no chiller or system faults should to within plus or minus the (control) cooling range.
Page 168: Leaving Chilled Liquid System Lead/Lag And Compressor Sequencing
FORM 150.72-NM3 (1020) SECTION 8 – UNIT OPERATION ISSUE DATE 10/05/2020 be added to the high limit. This will result in a control range the same size as programmed but not allow the unit to run below 40.0ºF (4.4 ºC). This control will not affect glycol chillers.
Page 169: Return Chilled Liquid Control
FORM 150.72-NM3 (1020) SECTION 8 – UNIT OPERATION ISSUE DATE 10/05/2020 As an example of compressor staging (refer to Table 14), RETURN CHILLED LIQUID CONTROL a chiller with six compressors using a Cooling Setpoint (Can be used on Dual System 4, 5 & 6 Comp programmed for 45 °F (7.20 °C) and a Range Setpoint Units Only) of 10 °F (5.56 °C).
Page 170: Return Chillled Liquid System Lead/Lag And Compressor Sequencing
FORM 150.72-NM3 (1020) SECTION 8 – UNIT OPERATION ISSUE DATE 10/05/2020 TABLE 15 – RETURN CHILLED LIQUID CONTROL FOR 4 COMPRESSORS (6 STEPS) *STEP COMPRESSOR COMPRESSOR ON POINT COMPRESSOR OFF POINT SETPOINT SETPOINT 1 W/HGB SP + CR/8 (Note 1) SETPOINT 1 NO HGB SP + CR/4...
Page 171: Anti-Recycle Timer
DO NOT SELECT Condenser fan locations are shown in Fig. 60. Detailed the option “YORK HYDRO KIT PUMPS = 2" under Standard Fan Control operation is shown in Table 17 the OPTIONS key. If a dual pump option is installed, and 18.
Page 172: Fig. 60 - Condenser Fan Locations Wiring Diagrams
FORM 150.72-NM3 (1020) SECTION 8 – UNIT OPERATION ISSUE DATE 10/05/2020 LD13244 FIG. 60 – CONDENSER FAN LOCATIONS WIRING DIAGRAMS JOHNSON CONTROLS...
Page 173: Table 17 - Ylaa Standard Condenser Fan Control Using Discharge Pressure
FORM 150.72-NM3 (1020) SECTION 8 – UNIT OPERATION ISSUE DATE 10/05/2020 TABLE 17 – YLAA STANDARD CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY (2, 3, OR 4 FANS PER SYSTEM) IPUII I/O OUTPUT FAN # CONTACTOR OFF** STAGE SYS 1 SYS 2 SYS 1 SYS 2...
Page 174: Table 18 - Ylaa Standard Condenser Fan Control Using Discharge Pressure
FORM 150.72-NM3 (1020) SECTION 8 – UNIT OPERATION ISSUE DATE 10/05/2020 TABLE 18 – YLAA STANDARD CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY (5 OR 6 FANS PER SYSTEM) IPUII I/O OUTPUT FAN CONTACTOR FAN # OFF** STAGE SYS 1 SYS 2 SYS 1 SYS 2...
Page 175: Load Limiting
ISN. Load limit a unit fault, locks out on a system fault, or experiences stages are sent through YORK Talk on pages 9 and 10 a loss of power to the chiller electronics . System 1 of feature 54.
Page 176: Bas/Ems Temperature Reset Usinga Voltage Or Current Signal
FORM 150.72-NM3 (1020) SECTION 8 – UNIT OPERATION ISSUE DATE 10/05/2020 BAS/EMS TEMPERATURE RESET USING A VOLTAGE OR CURRENT SIGNAL The Remote Reset Option allows the Control Center If a 4-20mA signal is supplied, it is applied to terminals of the unit to reset the chilled liquid setpoint using a A+ and A- and jumper JP1 on the I/O board must be 0 - 10VDC input, or a 4-20mA input connected to installed between pin 1 and 2.
Page 177: Section 9 - Service And Troubleshooting
FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 SECTION 9 – SERVICE AND TROUBLESHOOTING SYS 1 COMP 3 STATUS TB7-5 IS: CLEARING HISTORY BUFFERS SYS 1 HGBP STATUS TB7-7 IS: The history buffers may be cleared by pressing the SYS 2 COMP 1 STATUS TB10-2 IS: HISTORY key and then repeatedly pressing the UP SYS 2 LLSV STATUS TB10-3 IS: arrow key until you scroll past the last history buffer...
Page 178: Service Mode - Chiller Configuration
FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 Pressing the ↑ (UP) arrow key will energize the liquid SERVICE MODE – ANALOG & DIGITAL line solenoid valve and “OFF” will change to “ON” INPUTS in the display as the LLSV is energized. Energizing After entering Service Mode (PROGRAM ↑↑...
Page 179: Control Inputs/Outputs
FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 The digital inputs will display the input connection and TABLE 21 – I/O DIGITAL OUTPUTS ON/OFF status such as: TB7-2 SYS 1 Compressor 1 TB7-3 SYS 1 Liquid Line Solenoid Valve F L O W S W / R E M S T A R T...
Page 180: Microboard Layout
FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 I/O BOARD BOARD TB10 LD12721 FIG. 61 – MICROBOARD LAYOUT JOHNSON CONTROLS...
Page 181: Checking Inputs And Outputs
FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 CHECKING INPUTS AND OUTPUTS TABLE 24 – OUTDOOR AIR SENSOR TEMPERATURE/VOLTAGE/ CORRELATION Digital Inputs Refer to the unit wiring diagram. All digital inputs are VOLTAGE connected to J13-1 of the I/O board. The term “digital” TEMP °F (Signal Input TEMP °C...
Page 182: Liquid & Refrigerant Sensor Test Points
FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 Liquid & Refrigerant Sensor Test Points TABLE 25 – ENTERING/LEAVING CHILLED LIQUID TEMP. SENSOR, TEMPERATURE/ (Table 25) VOLTAGE CORRELATION Entering Chilled Liquid Sensor VOLTAGE J6-5 = +5VDC regulated supply to sensor. TEMP °F (Signal Input TEMP °C...
Page 183: Analog Inputs - Pressure
FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 Analog Inputs – Pressure TEST POINTS: Suction Pressure: Refer to the unit wiring diagram. Pressure inputs System 1: ......Microboard J7-10 to J7-9 are connected to the microboard on plugs J7 and J9. These analog inputs represent varying DC signals System 2: ......
Page 184: Digital Outputs
FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 The suction transducers have a range from 0 to 400 PSIG Digital Outputs (27.5 barg). The output will be linear from 0.5VDC Refer to the unit wiring diagram and Fig. 62. The digital to 4.5VDC over the 400 PSIG (27.5 barg) range.
Page 185: Optional Printer Installation
“OPER DATA” The part number for the printer that is packaged key or “HISTORY” key. specifically for YORK is P/N 950915576. The cable to connect the printer can either be locally assembled from the parts listed, or ordered directly from WEIGH- TRONIX under part number 287-040018.
Page 186: Troubleshooting
FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 TROUBLESHOOTING TABLE 27 – TROUBLESHOOTING PROBLEM CAUSE SOLUTION No display on panel. 1. No 115VAC to 24 VAC 1a. Check wiring and fuse Unit will not operate. Transformer b.
Page 187 FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 TROUBLESHOOTING (CONT’D) PROBLEM CAUSE SOLUTION “LOW SUCTION PRESSURE” 4. TXV defective. 4. Replace TXV. FAULT (CONT’D) 5. Reduced flow of chilled 5. Check GPM (See “Limita tions” liquid through the cooler in Installation section).
Page 188 FORM 150.72-NM3 (1020) SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE 10/05/2020 TROUBLESHOOTING (CONT’D) PROBLEM CAUSE SOLUTION “MP / HPCO” FAULT 1. Compressor internal motor 1. Verify refrigerant charge is protector (MP) open. not low. Verify superheat setting of °10 – 15 °F (5.6° – 8.
Page 189: Section 10 - Maintenance
Do not confuse JP1 on the IPU II (031 the bottom limit of the oil sight glass. 02630) board with JP1 on the I/O Use YORK “V” oil when adding oil. (03102550) board. Oil Analysis PLATE AND FRAME HEAT EXCHANGER...
Page 190: Microchannel Coil Cleaning
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 Follow the three steps below for cleaning the coils: MICROCHANNEL COIL CLEANING 1. Remove surface debris such as dirt, leaves, in- The coil cleaning procedure for microchannel coils is sects, fibers, etc. with a vacuum cleaner having significantly different than tube and fin type coils.
Page 191: Bacnet, Modbus And Yorktalk 2 Communications
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 BACNET, MODBUS AND YORKTALK 2 COMMUNICATIONS • RS-232: connect to TB3 - Network (RX) to TB3 Data can be read and in some cases modified using a (TXD); Network (TX) to TB3 (RXD); Network serial communication BACnet, Modbus or YorkTalk (GND) to TB3 (GND) 2 network connection.
Page 192: Fig. 64 - Micropanel Connections
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 035-02550-xxx I/O Board FIG. 64 – MICROPANEL CONNECTIONS The table below shows the minimum, maximum, and default values. TABLE 28 – MINIMUM, MAXIMUM AND DEFAULT VALUES DESCRIPTION MINIMUM MAXIMUM DEFAULT DE MODIFIER ADDRESS 41943 DE MODIFIER OFFSET...
Page 193: Table 29 - Values Required For Bas Communication
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 The table below shows set-up requirements for each communication protocol. TABLE 29 – VALUES REQUIRED FOR BAS COMMUNICATION PROTOCOL SETTING DESCRIPTION BACNET MS/TP MODBUS RTU YORKTALK 2 DE MODIFIER ADDRESS 0 TO 41943 DE MODIFIER OFFSET 0 TO 99...
Page 194: Bacnet And Modbus Communications
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 BACnet and Modbus Communications Communications Data Map Notes: (See Table 31) Chiller data that can be read and modified using specific BACnet or Modbus Register Addresses; and 1. IPU II based units are configured for Native BACnet the data associated with the addresses, is outlined in the MS/TP and Modbus RTU communications.
Page 195: Table 31 - Bacnet And Modbus Communications Data Map
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 TABLE 31 - BACNET AND MODBUS COMMUNICATIONS DATA MAP Continued on next page JOHNSON CONTROLS...
Page 196 FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 Continued from previous page Continued on next page JOHNSON CONTROLS...
Page 197 FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 Continued from previous page JOHNSON CONTROLS...
Page 198: Yorktalk 2 Communications
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 YORKTALK 2 COMMUNICATIONS Received Data (Control Data) Transmitted Data The unit receives eight data values from the MicroGateway After receiving a valid transmission from the MicroGateway or E-Link. The first four are analog values and the last four or E-Link, the unit will transmit either operational data or his- are digital values.
Page 199: Table 32 - Yorktalk 2 Communications Data Map
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 TABLE 32 - YORKTALK 2 COMMUNICATIONS DATA MAP Continued on next page JOHNSON CONTROLS...
Page 200 FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 Continued from previous page Continued on next page JOHNSON CONTROLS...
Page 201 FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 Continued from previous page JOHNSON CONTROLS...
Page 202: Temperature Conversion Chart
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 TEMPERATURE CONVERSION CHART 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 203: R410Apressure Temperature Chart
FORM 150.72-NM3 (1020) SECTION 10 – MAINTENANCE ISSUE DATE 10/05/2020 R410A PRESSURE TEMPERATURE CHART PSIG TEMP ˚F PSIG TEMP ˚F JOHNSON CONTROLS...
Page 204 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 NOTES JOHNSON CONTROLS...
Page 205 FORM 150.72-NM3 (1020) ISSUE DATE 10/05/2020 The following factors can be used to convert from English to the most common SI Metric values. TABLE 1 - SI METRIC CONVERSION MEASUREMENT MULTIPLY ENGLISH UNIT BY FACTOR TO OBTAIN METRIC UNIT Capacity Tons Refrigerant Effect (ton) 3.516 Kilowatts (kW)
Page 206 5000 Renaissance Drive, New Freedom, Pennsylvania USA 17349 1-800-524-1330 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2020 www.johnsoncontrols.com ALL RIGHTS RESERVED Form 150.72-NM3 (1020) Issue Date: October 5, 2020 Supersedes: 150.72-NM3 (811)

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