JOHNSON CONTROLS
6
FORM 201.23-NM2
ISSUE DATE: 09/25/2020
TABLE OF CONTENTS (CONT'D)
SECTION 5 - COMMISSIONING ..........................................................................................................................41
Preparation ..................................................................................................................................................... 41
Preparation – General ....................................................................................................................................41
First Time Start-Up ......................................................................................................................................... 42
SECTION 6 - TECHNICAL DATA .........................................................................................................................51
Glycol Correction Factors ............................................................................................................................... 55
Electrical Notes ..............................................................................................................................................80
Electrical Wiring Diagrams - 2 Compressor Models ....................................................................................... 82
Electrical Wiring Diagrams - 3 Compressor Models ....................................................................................... 96
Dimensions - 2 and 3 Compressor SI .......................................................................................................... 112
Technical Data - Clearances ........................................................................................................................132
Isolator Information for Units Shipped on or After June 15, 2008 .................................................................133
Isolator Information for Units Shipped Before June 15, 2008 .......................................................................156
Refrigerant Flow Diagram ............................................................................................................................161
Process and Instrumentation Diagram .........................................................................................................162
Component Locations ..................................................................................................................................163
Glycol System Components .........................................................................................................................184
Compressor Components ............................................................................................................................186
Chiller Electronic Components .....................................................................................................................187
Chiller Configuration Jumpers ......................................................................................................................195
VSD Logic to Chiller Microprocessor Board RS-485 Communication Configuration Jumpers .....................196
Maximum VSD Frequency/Model designator ............................................................................................... 196
SECTION 7 - OPERATION .................................................................................................................................197
Operating Controls .......................................................................................................................................197
Basic Operating Sequence ...........................................................................................................................198
Number of Compressors to Start ..................................................................................................................199
Minimum VSD Compressor Start / Run Frequency ......................................................................................200
Acceleration / Deceleration Rate when Starting / Stopping Compressors ...................................................201
Standard IPLV Capacity Control ...................................................................................................................201
Optional High IPLV Capacity Control ...........................................................................................................203
Load Limiting Control ...................................................................................................................................206
Flash Tank Drain and Feed Valve Controller ................................................................................................ 208
Economizer Control ...................................................................................................................................... 211
Condenser Fan Control ................................................................................................................................212
VSD Temperature Control, Operation of the Coolant Pump, and VSD Cabinet Cooling Fans ..................... 213
Remote Temperature Reset Control .............................................................................................................214
Remote Current Limit Reset Control ............................................................................................................215
Sound Limit Control ...................................................................................................................................... 217
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