JOHNSON CONTROLS
8
FORM 150.72-NM1 (1020)
SETPOINTS ENTRY LIST .......................................................................................................................122
CHECKING SUPERHEAT AND SUBCOOLING ...................................................................................123
LEAK CHECKING ....................................................................................................................................123
UNIT OPERATING SEQUENCE .............................................................................................................124
IPU II and I/O Boards .........................................................................................................................125
Unit Switch .........................................................................................................................................126
Display ................................................................................................................................................126
Keypad ................................................................................................................................................126
Battery Back-up .................................................................................................................................126
Transformer .......................................................................................................................................126
Programming # of Compressors ......................................................................................................126
Unit Status ..........................................................................................................................................127
General Status Messages .................................................................................................................127
Fault Safety Status Messages ..........................................................................................................129
System Safeties .................................................................................................................................129
Unit Safeties .......................................................................................................................................131
Unit Warning ......................................................................................................................................131
Status Key Messages ........................................................................................................................132
TABLE OF CONTENTS (CONT’D)
Summary of Contents for YORK Tempo YLAA Series
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