JOHNSON CONTROLS
6
FORM 150.73-NM1
ISSUE DATE: 09/04/2020
SECTION 5 – TECHNICAL DATA ........................................................................................................................ 43
Operational Limitations (English) ...................................................................................................................43
Physical Data (English) ..................................................................................................................................44
Wiring Diagrams ............................................................................................................................................. 60
Dimensions (English) .....................................................................................................................................84
Clearances .....................................................................................................................................................87
Weight Distribution and Isolator Mounting Positions ......................................................................................88
Isolator Information .........................................................................................................................................89
SECTION 6 – COMMISSIONING .........................................................................................................................95
Commissioning ............................................................................................................................................... 95
Preparation – Power Off ................................................................................................................................. 95
Preparation – Power On ................................................................................................................................. 96
SECTION 7 – UNIT CONTROLS ........................................................................................................................101
Introduction ...................................................................................................................................................101
Microprocessor Board ..................................................................................................................................101
Unit Switch ...................................................................................................................................................102
Display ..........................................................................................................................................................102
Keypad .........................................................................................................................................................102
Battery Back-Up ...........................................................................................................................................102
Transformer .................................................................................................................................................102
Single System Select and Programming Number of Compressors ..............................................................102
Status Key ....................................................................................................................................................103
Display/Print Keys ........................................................................................................................................108
Entry Keys .................................................................................................................................................... 116
Setpoints Keys ............................................................................................................................................. 117
Unit Keys .....................................................................................................................................................124
SECTION 8 – UNIT OPERATION ......................................................................................................................131
Capacity Control ........................................................................................................................................... 131
Suction Pressure Limit Controls ...................................................................................................................131
Discharge Pressure Limit Controls ............................................................................................................... 131
Discharge Air Temperature Control .............................................................................................................. 131
Suction Pressure Control .............................................................................................................................133
System Lead/Lag .........................................................................................................................................134
Compressor Lead/Lag .................................................................................................................................. 134
Anti-Recycle Timer .......................................................................................................................................134
Anti-Coincidence Timer ................................................................................................................................134
Evaporator Blower Control ...........................................................................................................................134
Pumpdown Control ....................................................................................................................................... 134
Condenser Fan Control ................................................................................................................................137
Load Limiting ................................................................................................................................................139
Compressor Run Status ...............................................................................................................................139
Alarm Status ................................................................................................................................................. 139
BAS/EMS Discharge Air Temperature Reset Using A Voltage Or Current Signal .......................................140
TABLE OF CONTENTS (CONT’D)
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