JOHNSON CONTROLS
154
FORM 150.27-NM1
ISSUE DATE: 09/30/2015
SECTION 10 – MAINTENANCE
6/11/2010
123456789
10
POINT DESCRIPTION
ITEM REF
NUM
BACnet NAME
Point List Code
MODBUS ADDRESS
MODBUS
Data
Type Supported
ENG UNITS
BACnet
Object/Inst
ance
READ WRITE
S=Standard; O = Optional; N = Not Available
89
S2_LLSV
BI_13
1294
01,02,03
0, 1
R
Sys 2 Liquid Line Solenoid Valve
SSSSSSSSSS
90
S2_MODE_SV
BI_14
1295
01,02,03
0, 1
R
Sys 2 Mode Solenoid Valve (HP Only)
SSSSSSSSSS
91
LEAD_SYS
BI_15
1296
01,02,03
0, 1
R
Lead System (0 = Sys 1, 1 = Sys 2)
SSSSSSSSSS
92
S1_C3_RUN
BI_16
1297
01,02,03
0, 1
R
Sys 1 Comp 3 Run
SSSSSSSSSS
93
S2_C3_RUN
BI_17
1298
01,02,03
0, 1
R
Sys 2 Comp 3 Run
SSSSSSSSSS
94
CH_LIQ_TYPE
BI_18
1299
01,02,03
0, 1
R
Chilled Liquid Type (0=Water, 1=Glycol)
SSSSSSSSSS
93
AMB_MODE
BI_19
1300
01,02,03
0, 1
R
Ambient Control Mode (0=Std Amb, 1=Low Amb)
SSSSSSSSSS
94
CNTL_MODE
BI_20
1301
01,02,03
0, 1
R
Local/Remote Control Mode (0=Local, 1=Remote)
SSSSSSSSSS
95
DATA_UNIT
BI_21
1302
01,02,03
0, 1
R
Units (0=Imperial, 1=SI)
SSSSSSSSSS
96
AUTO_LL
BI_22
1303
01,02,03
0, 1
R
Lead/Lag Control Mode (0=Manual, 1=Auto)
SSSSSSSSSS
Not
e
Code
Operational Codes
Code
0
No Abnormal Condition
0
1
Unit Switch Off
1
2
System Switch Off
2
3
Lock-Out
3
4
Unit Fault
4
5
System Fault
5
6
Remote Shutdown
6
7
Daily Schedule Shutdown
7
8
No Run Permissive
8
9
No Cool Load
9
10
Anti-Coincidence Timer Active
10
11
Anti-Recycle Timer Active
11
12
Manual Override
12
13
Suction Limiting
13
14
Discharge Limiting
14
15
Current limiting
15
16
Load Limiting
16
17
Compressor(s) Running
17
18
Heat Pump Load Limiting
18
19
19
20
20
1 2 3 4 5 6 7 8 9 10
40 41
37 38 39
34
35
36
Shaded Codes
may not be available on all models. Please check the
Fault and Operational codes against the codes published in your
operators manual or confirm Code is available through the display of your unit. If the Code appears in the display, you will recieve that value
through the BAS.
31
32
33
Pump Fail Make Flow
30
Fault Codes
Power Failure, Manual Reset
TABLE B (cont)
28 29
High Ambient Temperature
Unit Motor Current Low Superheat Sensor Fault Discharge Inhibit MP/HPCO Inhibit Pump Trip
Code
21
22 23 24 25 26 27
NOTES
See the applicable Middle Market Chiller Operations Manual for more details
Fault Codes
The YCWL uses the same firmware as a YCAL , it just ignores Fan Control
IPU II ( PN 031-02550-xxx ) based equipment are configured for Native BACnet MS/TP and Modbus RTU communications. The Microg
ateway product 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
Ground Fault
TABLE A
TABLE B
High Discharge Temperature Improper Phase Rotation
High Motor Current LLSV Not On
High Discharge Pressure High Differential Oil Pressure Low Suction Pressure
Low Motor Current / MP / HPCO
Motor Current Unbalanced Low Differential Oil Pressure
Incorrect Refrigerant Programmed
No Fault
VAC Under Voltage Low Ambient Temperature High Ambient Temperature
MP/HPCO Fault Low Evaporator Temperature
Low Battery Warning
High Oil Temperature
Low Leaving Chilled Liquid Temp
STC Scroll Native Bacnet_Modbus
Property of JCI/York International. Subject to change without notice
Small Tonnage Scroll IPU II NATIVE BACnet _Modbus Data Maps_ Rev A_09.xls
Page 3 of 3
TABLE 30 -
BACNET AND MODBUS COMMUNICATIONS DATA MAP (CONT’D)
6/1
1/2010
