York EX Series Installation, Operation & Maintenance Instructions Manual page 7

FORM 155.32-ICOM1.EN.GB
ISSUE DATE: 10/13/2017
Capacity Check Method of Vacuum Pump ................................................................................................... 130
Manual Method to Purge Non-Condensable Gas Directly from Absorber .................................................... 134
Manual Method to Purge Non-Condensable Gas from the Purge Tank ....................................................... 134
Automatic Method to Purge Non-condensable Gas from the Purge Tank .................................................... 135
Refrigerant Refining Method ........................................................................................................................ 142
Manual Refrigerant Blow Down and Diluting Method ................................................................................... 142
DeCrystallization Method ............................................................................................................................. 143
Indications of Crystallization ................................................................................................................143
Decrystallization ........................................................................................................................................... 143
Precautions for Decrystallization .................................................................................................................. 144
Maintenance Items ....................................................................................................................................... 144
Refrigerant Pump Manual Stop ........................................................................................................... 148
Purge Manual Start and Stop .............................................................................................................. 148
Lifespan for Various Parts ............................................................................................................................ 148
Water Quality Control ................................................................................................................................... 150
Chemical Water Treatment ........................................................................................................................... 151
Replacement of Water ................................................................................................................................. 151
Treatment For Long Stoppage Of The Absorption Chiller-Heater ................................................................ 151
Chemical Treatment .................................................................................................................................... 151
Flow Speed in Tubes ................................................................................................................................... 151
Storage Method Of The Chiller-Heater ......................................................................................................... 154
Wet Storage Method..................................................................................................................................... 154
Dry Storage Method ..................................................................................................................................... 155
Precautions Against External Damage ......................................................................................................... 155
Storage Method of the Cooling Water During Heating Operation Period ..................................................... 157
Wet Storage ........................................................................................................................................157
Work Procedure ...........................................................................................................................158
Dry Storage .........................................................................................................................................158
Work Procedure ...........................................................................................................................159
SECTION 8 - TROUBLESHOOTING ...................................................................................................................165
Troubleshooting Performance Issues ........................................................................................................... 169
Vacuum Pump .............................................................................................................................................. 170
Abnormal Solution and Refrigerant Levels ................................................................................................... 171
Actions to Take Against Power Failure ......................................................................................................... 174
SECTION 9 - DECOMMISSIONING, DISMANTLING, AND DISPOSAL ............................................................. 175
JOHNSON CONTROLS
TABLE OF CONTENTS (CONT'D)
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