Analog Input Connections - York YCAV0157 Installation Operation & Maintenance

MICRO PANEL
TABLE 21 lists the Analog inputs and the circuit board
they are located on. Not all of the sensors are installed in
every unit, as some of them are optional. The software
must read the optional sensors if installed. The Analog
input signals are typically referenced to the common
(return, ground) in the system.
TABLE 21 - ANALOG INPUT CONNECTIONS
BOARD
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
Chiller Control Board
276

ANALOG INPUT CONNECTIONS

HEADER
J17-11
J17-12
J17-13
J17-14
J17-15
J8-7
J8-8
J8-9
J19-1
J19-2
J19-3
J19-6
J19-7
J19-8
J21-13
J21-3
J21-16
J21-6
J21-20
J21-22
J21-24
J22-13
J22-2
J22-16
J22-6
J22-20
J22-22
J22-24
J20-1
J20-2
J20-3
J20-6
J20-7
J20-8
J12-3 can also be used as common, as well as chassis
ground, or the common terminal point on the Chiller
Control Board. See the wiring diagrams. The +DC Bus,
-DC Bus and ½ DC Bus voltages are measured in refer-
ence to one of the other DC Bus points. For example:
+DC Bus measured to ½ DC Bus.
ANALOG INPUT
Remote Temperature Reset
Remote Current Limit
Spare 1
Spare 2
Spare 3
Laeving Chilled Liquid Temp Sensor
Return Chilled Liquid Temp Sensor
Ambient Air Temp Sensor
Comp 1 Motor Temperature 1
Comp 1 Motor Temperature 2
Comp 1 Motor Temperature 3
Comp 2 Motor Temperature 1
Comp 2 Motor Temperature 2
Comp 2 Motor Temperature 3
Sys 1 Suction Temperature
Sys 1 Oil Temperature
Sys 1 Discharge Temperature
Sys 1 Flash Tank Level Sensor
Sys 1 Suction Pressure
Sys 1 Oil Pressure
Sys 1 Discharge Pressure
Sys 2 Suction Temperature
Sys 2 Oil Temperature
Sys 2 Discharge Temperature
Sys 2 Flash Tank Level Sensor
Sys 2 Suction Pressure
Sys 2 Oil Pressure
Sys 2 Discharge Pressure
Comp 3 Motor Temperature 1
Comp 3 Motor Temperature 2
Comp 3 Motor Temperature 3
Comp 4 Motor Temperature 1
Comp 4 Motor Temperature 2
Comp 4 Motor Temperature
FORM 201.21-NM1 (1223)
JOHNSON CONTROLS