York EX Series User Manual

JOHNSON CONTROLS
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
TABLE OF CONTENTS (CONT'D)

York EX Series Specifications

General

Brand	York
Model	EX Series
Category	Chiller
Language	English