York YLAA0260HE - Page 5

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JOHNSON CONTROLS
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
PIPEWORK ARRANGEMENT .................................................................................................................. 39
DUCT WORK CONNECTION ..................................................................................................................40
General Requirements .......................................................................................................................40
WIRING .......................................................................................................................................................40
Evaporator Pump Start Contacts .......................................................................................................40
System Run Contacts .........................................................................................................................40
Alarm Status Contacts ........................................................................................................................41
Remote Start/Stop Contacts ...............................................................................................................41
Remote Emergency Cuto󰀨 .................................................................................................................41
Remote Temp Reset Input ..................................................................................................................41
Load Limit Input ................................................................................................................................... 41
Flow Switch Input ................................................................................................................................41
COMPRESSOR HEATERS .......................................................................................................................41
RELIEF VALVES ........................................................................................................................................41
HIGH PRESSURE CUTOUT .....................................................................................................................41
SINGLE-POINT SUPPLY CONNECTION – TERMINAL BLOCK, NON-FUSED DISCONNECT
SWITCH OR CIRCUIT BREAKER ...........................................................................................................42
USER CONTROL WIRING INPUTS .........................................................................................................43
USER CONTROL WIRING OUTPUTS ..................................................................................................... 44
SECTION 5 – TECHNICAL DATA ...................................................................................................................45
OPERATIONAL LIMITATIONS (ENGLISH) .............................................................................................45
Temperatures and Flows ....................................................................................................................45
Voltage Limitations .............................................................................................................................. 45
HEAT EXCHANGER FLOW, GPM ...........................................................................................................46
Ethylene & Propylene Glycol Correction Factors ............................................................................46
PHYSICAL DATA (ENGLISH) ...................................................................................................................47
Standard E󰀩ciency YLAA0285 - YLAA0485 .....................................................................................47
High E󰀩ciency YLAA0195 - YLAA0515 .............................................................................................48