Carrier PIC 5+ - Chiller Technical Documentation; CE Marking and Classification

10
   
Auto Water Temp
Reset
AI6 IOB3 User option, 4~20mA
Common CHWS
Temp
AI7 IOB3 Used for lead lag option
Auto Demand Limit
Input
AI8 IOB3 User option, 4~20mA
Common CHWR
Temp
AI9 IOB3 Used for lead lag option
Refrigerant Leak
Sensor
AI10 IOB3 User option, 4~20mA
Chiller Status Output
mA
AO1 IOB3 User option, 4~20mA
4mA=OFF 8mA=Tripout
12mA=Shutdown
20mA=Running
Fire Security Interlock DI1 IOB3 User option, dry contact,
normal open
Customer Alert DI2 IOB3 Marine option, dry contact
Free Cooling Start
Switch
DI3 IOB3 Marine option, dry contact
Power Request
Feedback
DI4 IOB3 Marine option
Chiller Alert Relay DO2 IOB3 User option, 24VAC output,
recommend with external
power supply
Free Cooling Mode DO3 IOB3 Marine option
Power Request
Output
DO4 IOB3 Marine option
Entering Evap Water
Pressure
AI3 IOB4 User option, if IOB4
installed, same as follows
Leaving Evap Water
Pressure
AI4 IOB4 User option
Entering Cond Water
Pressure
AI5 IOB4 User option
Leaving Cond Water
Pressure
AI6 IOB4 User option
Evap Water Flow
Measurement
AI8 IOB4 User option, 4~20mA
Cond Water Flow
Measurement
AI9 IOB4 User option, 4~20mA
Chilled Water Pump
(Variable)
AO1 IOB4 User option, 4~20mA/0~5V
Condenser Water
Pump (Variable)
AO2 IOB4 User option, 4~20mA/0~5V
Tower Fan (Variable) AO3 IOB4 User option, 4~20mA/0~5V
Chilled Water Pump DO1 IOB4 User option, 24VAC output,
recommend with external
power supply
Condenser Water
Pump
DO2 IOB4 User option, 24VAC output,
recommend with external
power supply
Tower Fan High DO3 IOB4 User option, 24VAC output,
recommend with external
power supply
Tower Fan Low DO4 IOB4 User option, 24VAC output,
recommend with external
power supply
19DV mapping:
   
Entering Chilled
Water Temperature
AI1 IOB1
Leaving Chilled Water
Temperature
AI2 IOB1
Entering Condenser
Water Temperature
AI3 IOB1
Leaving Condenser
Water Temperature
AI4 IOB1
Evap. Refrigerant
Liquid Temperature
AI5 IOB1
Comp Discharge
Temperature
AI6 IOB1
Condenser Pressure AI7 IOB1
Evaporator Pressure AI8 IOB1
FS VFD Load Current AI10 IOB1 For free standing VFD
Chiller Status Output
mA
AO1 IOB1 User option, 4~20mA
4mA=OFF 8mA=Tripout
12mA=Shutdown
20mA=Running
Evap Water Flow
Switch
DI1 IOB1 User option, dry contact,
“Closed” indicates “FLOW”
Cond Water Flow
Switch
DI2 IOB1 User option, dry contact,
“Closed” indicates “FLOW”
Remote Contact Input DI3 IOB1 User option, dry contact,
“Closed” indicates Turn ON
the chiller
Remote Emergency
Stop Input
DI4 IOB1 User option, dry contact,
“Closed” indicates chiller
emergency stop
Economizer Bypass
Valve
DO1 IOB1 x
Refrigerant Pump DO2 IOB1
Chiller Alarm Relay DO3 IOB1 User option, 24VAC output,
recommend with external
power supply
Vapor Venting Line SV DO4 IOB1 x
Motor Winding
Temperature 1
AI1 IOB2
EC Valve Feedback AI3 IOB2 Factory option
Pump Outlet Pressure AI5 IOB2
Bearing Outlet
Pressure
AI6 IOB2
Bearing Inlet Pressure AI7 IOB2
Auto Demand Limit
Input
AI8 IOB2 User option, 4~20mA
Refrigerant Leak
Sensor
AI9 IOB2 User option, 4~20mA
Pump Inlet Pressure AI10 IOB2
Guide Vane1 Output AO1 IOB2
EC Valve Output mA AO3 IOB2 Factory option
Liquid Level Switch DI2 IOB2
High Pressure Switch DI3 IOB2
Ice Build Contact DI4 IOB2 User option, dry contact
Condenser Control
Valve
DO1 IOB2 x
Evaporator Control
Valve
DO2 IOB2 x
Condenser Filling
Valve
DO3 IOB2 x
Economizer Isolation
Valve
DO4 IOB2 x
1st Stage Bearing
Temp
AI1 IOB3
2nd Stage Bearing
Temp
AI2 IOB3
Bearing Ref Supply
Temp
AI3 IOB3
Guide Vane 2 Actual
Pos
AI4 IOB3
Remote Reset Sensor AI5 IOB3 User option, 5K thermistor
Guide Vane 1 Actual
Pos
AI6 IOB3