197
JOHNSON CONTROLS
FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
SECTION 10 – MAINTENANCE
10
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POINT DESCRIPTION
NUM
BACnet NAME
Point List Code
S=Standard; O = Optional; N = Not Available
BACnet
Object/Inst
ance
MODBUS
ADDRESS
MODBUS
Data
Type Supported
ENG UNITS
READ
WRITE
94
01,02,03
0, 1 R Local/Remote Control Mode (0=Local, 1=Remote)
95
01,02,03
0, 1 R Units (0=Imperial, 1=SI)
96
01,02,03
0, 1 R Lead/Lag Control Mode (0=Manual, 1=Auto)
Code Operational Codes Code
0
0
1
1
2
2
3
Lock-Out
3
5
System Fault
5
6
6
7
7
8
8
`
9
No Cool Load
9
10
Anti-Coincidence Timer Active
10
11
Anti-Recycle Timer Active
11
12
12
13
13
14
14
16
Load Limiting
16
17
17
18 18
19 19
20 20
21 21
22 22
23 23
24 24
25 25
26 26
27 27
28 28
29 29
30 30
1
2
3
4
5
6
7
8
9
10
NOTES
See the applicable Middle Market Chiller Operations M
anual for more details
NOTE: Note that these tables of FAULT and OPERATIONAL Codes are for all DX products.
Fault Codes
MP/HPCO Inhibit
The YCWL uses the same firmware as a YCAL , it just ignores Fan Control
The IPU II based YCAL /YCUL Units are configured for Native BACnet MS/TP and Modbus RTU communications. The Microgateway prod
uct is not required for these 2 interfaces
BACnet Object Types: 0= Analog In, 1 = Analog Out, 2= Analog Value, 3= Binary In, 4 = Binary Output, 5= Binary Value, 8
= Device, 15 = Alarm Notification ( 0 -127 are reserved ASHRAE Objects)
WC= Inches of water column; CFM = Cubic Feer per Minute; FPM = Feet per Minute: PSI = Lbs per square inch; Pa = Pascals;
kPa = Kilopascals; PPM = Part Per Million; kJ/kg = Kilojoules per Kilogram
Unit Motor Current
Low Superheat
Sensor Fault
MP/HPCO Fault
Low Evaporator Temperature
Incorrect Refrigerant Programmed
Power Failure, Manual Reset Required
Low Motor Current / MP / HPCO
Motor Current Unbalanced
Low Differential Oil Pressure
Ground Fault
High Discharge Temperature
Improper Phase Rotation
High Motor Current
LLSV Not On
Low Battery Warning
High Oil Temperature
Low Leaving Chilled Liquid Temp
High Discharge Pressure
High Differential Oil Pressure
Low Suction Pressure
No Fault
VAC Under Voltage
Low Ambient Temperature
High Ambient Temperature
Mid Market Native Bacnet_Modbus
Property of JCI/York International. Subject to change without notice
Middle Market IPU II NATIVE BACnet _Modbus Data Maps_ Rev A_06.xls
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