5
JOHNSON CONTROLS
FORM 201.21-NM4 (616)
SECTION 5 - COMMISSIONING
PREPARATION ........................................................36
PREPARATION - GENERAL ..................................36
Inspection..............................................................36
Refrigerant Charge ...............................................36
Service and Oil Line Valves .................................36
Compressor Oil .....................................................36
Fans .......................................................................36
Isolation / Protection .............................................36
Control Panel ........................................................36
Power Connections ...............................................37
Grounding .............................................................37
Water System ........................................................37
Flow Switch ..........................................................37
Temperature Sensor(s) ..........................................37
Programmed Options ............................................38
Programmed Settings ............................................38
Date & Time .........................................................38
Start / Stop ............................................................38
Setpoint & Remote Offset ....................................38
FIRST TIME STARTUP ...........................................38
Interlocks ..............................................................38
Unit Switch ...........................................................38
Start-Up ................................................................38
Oil Pressure...........................................................38
Refrigerant Flow ...................................................39
Loading .................................................................39
Condensor & Fan Rotation ...................................39
Suction Super Heat ...............................................39
Sub-Cooling ..........................................................39
General Operation.................................................39
SECTION 6 - TECHNICAL DATA
WATER PRESSURE DROP CHARTS ....................40
GLYCOL CORRECTION FACTORS ......................41
WATER TEMP. AND FLOWS .................................42
PHYSICAL DATA ....................................................44
OPERATING LIMITATIONS AND
SOUND POWER .................................................46
ELECTRICAL DATA - COMPR. WIRING .............47
ELECTRICAL NOTES ............................................54
WIRING DIAGRAMS - 3 COMPRESSOR.............56
WIRING DIAGRAMS - 4 COMPRESSOR.............68
DIMENSIONS ..........................................................84
TECHNICAL DATA (CLEARANCES) .................116
WEIGHT DISTRIBUTION &
ISOLATOR MOUNTING .................................117
ISOLATOR MOUNTING POSITIONS .................118
SEISMIC ISOLATOR INSTALLATION ...............123
NEOPRENE ISOLATOR POSITION ....................124
1" DEFLECTION ISOLATOR INSTALLATION ..125
REFRIGERANT FLOW DIAGRAM .....................127
PROCESS & INSTRUMENTATION
DIAGRAM .........................................................128
COMPONENT LOCATIONS ................................129
EQUIPMENT START-UP CHECK SHEET...........148
Unit Checks (NO power) ....................................148
Panel Checks
(Power ON-both system switches OFF) .............150
Programmed Values ............................................151
Chilled Liquid Setpoint ......................................151
Date/Time, Daily Schedule, & Clock Jumper ....151
Initial Start-Up ....................................................152
Check Subcooling & Superheat ..........................152
Leak Checking ....................................................153
CHILLER ELECTRONIC COMPONENTS ..........154
Keypad ................................................................154
Display ................................................................155
Chiller Control Board .........................................156
Relay Output Boards ..........................................157
VSD (Variable Speed Drive) ..............................157
AC to DC Rectifier
.............................................157
SCR Trigger Board .............................................158
DC Link Filter ....................................................158
1L Line Inductor .................................................159
AC to DC Inverter ..............................................159
Laminated Bus Structure ....................................159
VSD Logic Board ...............................................160
Control Panel to VSD Communications .............160
IGBT Gate Driver Boards ...................................161
Current Transformers ..........................................161
DV/DT Output Suppression Network ................162
Flash Tank Feed/Drain Valve Controller ............162
DC Bus Voltage Isolation Board .........................163
Chiller Circuit Breaker .......................................163
Autotransformer..................................................163
CHILLER CONFIGURATION JUMPERS ............164
Number of Compr. Configuration Jumpers
........164
VSD LOGIC TO CHILLER MICROPROCESSOR
BOARD RS-485 COMMUNICATION
CONFIGURATION JUMPERS .........................164
MAX VSD FREQUENCY .....................................165
TABLE OF CONTENTS (CONT’D)