Carrier AquaEdge 19XR Start-Up, Operation And Maintenance Instructions Manual page 82

Two-stage semi-hermetic centrifugal liquid chillers with pic 5 controls and hfc-134a 50/60 hz
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LEGEND AND NOTES FOR FIG. 44, 19XR WITH FREE-STANDING MEDIUM VOLTAGE VFD
AC
— Alternating Current
ACB
— Analog Control Board
AWG
— American Wire Gage
CBx
— Circuit Breaker
CPTx
— Control Power Transformer
CTx
— Current Transformer
DI
— Drive Input Contactor
DI-IV
— Drive Input Contactor Intellivac Module
DIC
— Drive Input Control Relay
DICR1
— Drive Input Contactor Pilot Relay
DIIS
— Drive Input Isolating Switch
DILR
— Drive Input Line Reactor
DIOL
— Drive Input Overload
DIOLx
— Drive Input Overload Auxiliary Relay
DITB
— Drive Input Contactor Terminal Blocks
DSx
— Disconnect Switch
EMC
— Electro-Magnetic Choke
ES
— Ethernet Switch
FLT
— Fault Relay
Fx
— Fuse
GFCT
— Ground Fault Current Transformer
GND
— Ground
GRD
— Ground
HECSU
— Hall Effect Current Sensor (U Phase)
HECSW
— Hall Effect Current Sensor (W Phase)
HPR
— High Pressure Relay
IFM
— Interface Module
ISM
— Integrated Starter Module
LFC
— Line Filter Capacitors
LFRNx
— Line Reactor Fan x
LV
— Low Voltage
LVx
— External Low Voltage Supply
MFC
— Motor Filter Capacitors
MFN1C
— Main Fan Contactor
MFN1MP — Main Fan Motor Protector
MOV
— Metal Oxide Varistor
MSR
— Monitoring Safety Relay
MSRXx
— Monitoring Safety Relay Auxiliary Relay x
MV
— Medium Voltage
NR
— Neutral Resistor
PE
— Earth Ground
PFN1
— Powerflex Interface Board
PP
— Carrier Power Panel
PS1A
— AC/DC Converter
PS2
— DC/DC Converter
PS4
— AC/DC Converter
RUN
— Run Relay
SS
— Surge Suppressor
ST
— Shunt Trip
VFD
— Variable Frequency Drive
VSBx
— Voltage Sensing Board
WRN
— Warning Relay
XIOx
— External Inputs/Outputs
1M
— Start Relay
66
Carrier ISM to be programmed by Carrier before
start-up. Relay contacts shown without signal
power applied.
71
Calibrate for 4-20 mA; 0-5 vdc
(Default 0-10 vdc).
100
WARNING: Ground must be connected to prevent
high voltages from being applied to drive control
boards.
104
Located in drive low voltage control section.
105
Device is mounted on the low voltage door of the
drive.
WIRING
Factory Wiring
Field Wiring
Mechanically Connected
Conductor, Crossing of Paths or Conductors Not
Connected
Conductor, Junction of Connected Paths, Con-
ductors or Wires
Conductor, Separable or Jacks Engaged
Terminal
Terminal (Rockwell Automation use only)
Terminal Blocks
— Barrier
Wired To/From Destination
SWITCHES AND INPUT DEVICES
Contact Normally Open (Make)
Contact Normally Closed (Break)
OUTPUT DEVICES
Fan (3 Phase Induction Motor)
Induction Machine
RESISTORS, CAPS, WINDINGS AND
GROUND
Capacitor
Winding
Transformer, Current
PROTECTION
Circuit Breaker, Control/Power
Fuse, Control/Power
Surge Suppressor
POWER ELECTRONIC DEVICES
Symmetrical Gate-Commutated Thyristor and
Gate Driver Board
MISCELLANEOUS
Note Number Indicator
Contact Location Description
Relay Location Description
Key Interlock on Isolation Switch
Key Interlock on MV Door
Multiple Barrel Key Interlock on Isolation Switch
Multiple Barrel Key Interlock on MV Door
Transfer Block
82

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