Table 40 - Serial Communication Binary Input Data - York YLUA0248 Series Installation Operation & Maintenance

FORM 150.73-NM2
ISSUE DATE: 09/07/2020
SERIAL COMMUNICATION BINARY 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 1281 + BI #.

TABLE 40 - SERIAL COMMUNICATION BINARY INPUT DATA

BI BACNET NAME
1 S1_ALARM
2 S2_ALARM
3 EVAP_HTR
4 EVAP_PUMP
5 SI_C1_RUN
6 S2_C1_RUN
7 S1_LLSV
8 S1_MODE_SV
9 S1_HGBV
10 S1_BHS
11 S1_C2_RUN
12 S2_C2_RUN
13 S2_LLSV
14 S2_MODE_SV
15 LEAD_SYS
16 S1_C3_RUN
17 S2_C3_RUN
18 CH_LIQ_TYPE
19 AMB_MODE
20 CNTL_MODE_
21 DATA_UNIT
22 AUTO_LL
JOHNSON CONTROLS
BINARY INPUT DESCRIPTION
SYS 1 ALARM
SYS 2 ALARM
EVAPORATOR HEATER STATUS
EVAPORATOR PUMP STATUS
SYS COMP 1 RUN
SYS 2 COMP 1 RUN
SYS 1 LIQUID LINE SOLENOID VALVE
SYS 1 MODE SOLENOID VALVE (HP ONLY)
SYS 1 HOT GAS BYPASS VALVE
BIVALENT HEAT SOURCE (HP ONLY)
SYS 1 COMP 2 RUN
SYS 2 COMP 2 RUN
SYS 2 LIQUID LINE SOLENOID VALVE
SYS 2 MODE SOLENOID VALVE (HP ONLY)
LEAD SYSTEM (0 = SYS 1, 1 = SYS 2)
SYS 1 COMP 3 RUN
SYS 2 COMP 3 RUN
CHILLED LIQUID TYPE (0 = WATER, 1 = GLYCOL)
AMBIENT CONTROL MODE (O = STD AMB, 1 = LOW AMB)
LOCAL / REMOTE CONTROL MODE (0 = LOCAL, 1 = REMOTE)
UNITS (0 = IMPERIAL, 1 = SI)
LEAD / LAG CONTROL MODE (0 = MANUAL, 1 = AUTO)
SECTION 10 – MAINTENANCE
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