York YVWA - Page 6

JOHNSON CONTROLS
6
FORM 201.30-ICOM1 (519)
ISSUE DATE: 05/22/2019
TABLE OF CONTENTS (CONT'D)
Unit Piping ......................................................................................................................................................57
Electrical Connection ......................................................................................................................................57
Power Wiring ..................................................................................................................................................57
Power Supply Wiring ......................................................................................................................................57
115VAC Control Supply Transformer ..............................................................................................................57
Control Wiring .................................................................................................................................................57
System Inputs .................................................................................................................................................58
Analog Inputs .................................................................................................................................................58
SECTION 4 - TECHNICAL DATA ...........................................................................................................................65
Single Compressor Unit Dimensions ..............................................................................................................72
Dimensions of Evaporator Nozzle Arrangements ........................................................................................... 74
Dimensions of Condenser Nozzle Arrangements ...........................................................................................75
SECTION 5 - COMMISSIONING ............................................................................................................................77
Preparation ..................................................................................................................................................... 77
First Time Start-up .......................................................................................................................................... 77
SECTION 6 - OPERATION .....................................................................................................................................83
Operating Controls .........................................................................................................................................83
Basic Operating Sequence .............................................................................................................................84
User Interface ................................................................................................................................................. 88
Fault Messages ..............................................................................................................................................91
Microboard (331-03478-xxx) ..........................................................................................................................91
Program Update .............................................................................................................................................93
Data Logging ..................................................................................................................................................94
Acceptable Printers ......................................................................................................................................123
Printer Connections ...................................................................................................................................... 123
Printer Setup ................................................................................................................................................123
Printing a Report ..........................................................................................................................................124
BAS Communications ..................................................................................................................................128
SECTION 7 - MAINTENANCE ..............................................................................................................................131
General Requirements .................................................................................................................................131
Daily Operating Inspections .........................................................................................................................132
Compressor Oil ............................................................................................................................................132
Oil Filter Replacement .................................................................................................................................. 135
Refrigerant Charging ....................................................................................................................................137
Handling Refrigerant for Dismantling and Repairs .......................................................................................137
Checking System for Leaks ..........................................................................................................................138
Refrigerant Leak Checking ........................................................................................................................... 138
Pressure Connections ..................................................................................................................................138
Testing for Evaporator and Condenser Tube Leaks ..................................................................................... 139
Evacuation and Dehydration of Unit ............................................................................................................. 140
Condensers and Evaporators Maintenance .................................................................................................142
Cleaning Evaporator and Condenser Tubes ................................................................................................142
Compressor Maintenance ............................................................................................................................144
Electrical Controls ........................................................................................................................................144