Table 37 - Serial Communication Analog Value Data; Table 38 - Serial Communication Binary Value Data; Table 39 - Serial Communication Analog Input Data - York YLUA0248 Series Installation Operation & Maintenance

FORM 150.73-NM2
ISSUE DATE: 09/07/2020
Unit data that can be read and modified using specific Modbus Register Addresses; and the data associated with the
addresses, is outlined in the following description:
SERIAL COMMUNICATION ANALOG VALUE DATA
This data can be read and modified using a BACnet or Modbus network connection. The Modbus Register Address
for these points is 1025 + AV #.

TABLE 37 - SERIAL COMMUNICATION ANALOG VALUE DATA

AV BACNET NAME
1 REM_SETP
2 SP_REM_SP_S1
3 LOAD_LIMIT
4 REM_CR
5 SP_REM_SP_S2
6 REM_SP_HEAT
7 HP_MODE
SERIAL COMMUNICATION BINARY VALUE DATA
This data can be read and modified using a BACnet or Modbus network connection. The Modbus Register Address
for these points is 1537 + BV #.

TABLE 38 - SERIAL COMMUNICATION BINARY VALUE DATA

BV BACNET NAME
1 START_STOP
2 SS_SYS1
3 SS_SYS2
SERIAL COMMUNICATION ANALOG INPUT DATA
This data can be read using a BACnet or Modbus network connection and can NOT be modified using this connec-
tion. The Modbus Register Address for these points is 513 + AI #.

TABLE 39 - SERIAL COMMUNICATION ANALOG INPUT DATA

AI BACNET NAME
1 LCHLT
2 RCHLT
3 DAT
4 S1_SUCT_TEMP
5 OAT
6 S1_SUCT_SH
7 S1_RUN_TIME
8 S1_SUCT_PR
9 S1_DSCH_PR
10 S1_CIR_TEMP
11 S1_DEF_TEMP
12 S1_EEV_OUT
13 S1_AR_TIMER
JOHNSON CONTROLS
ANALOG VALUE DESCRIPTION
COOLING SETPOINT (HP ONLY), 99 = AUTO
SYS 1 SETPOINT (SUCTION PRESSURE CONTROL)
LOAD LIMIT STAGE (0, 1, 2)
COOLING RANGE (DAT MODE ONLY)
SYS 2 SETPOINT (SUCTION PRESSURE CONTROL)
HEATING SETPOINT (HP ONLY) 99 = AUTO (95 °F - 122 °F)
MODE (HP ONLY) (0 = PANEL, 1 = COOLING, 2 = HEATING)
BINARY VALUE DESCRIPTION
START / STOP COMMAND
SYS 1 START / STOP COMMAND (SUCTION PRESSURE CONTROL)
SYS 2 START / STOP COMMAND (SUCTION PRESSURE CONTROL)
ANALOG INPUT DESCRIPTION
LEAVING CHILLED LIQUID TEMP
RETURN CHILLED LIQUID TEMP
DISCHARGE AIR TEMP (COND UNIT ONLY)
SYS 1 SUCTION TEMPERATURE (EEV AND COND UNIT ONLY)
AMBIENT AIR TEMPERATURE
SYS 1 SUCTION SUPERHEAT (EEV ONLY)
SYS 1 RUN TIME (SECONDS)
SYS 1 SUCTION PRESSURE
SYS 1 DISCHARGE PRESSURE
SYS 1 COOLER INLET REFRIGERANT TEMPERATURE (R-407C ONLY)
SYS 1 DEFROST TEMPERATURE (HP ONLY)
SYS 1 EEV OUTPUT % (EEV ONLY)
SYS 1 ANTI-RECYCLE TIMER
SECTION 10 – MAINTENANCE
SETPOINT
(40 °F - 70 °F)
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