91VCCX-IP Controller Technical Guide
APPENDIX C: BACNET GUIDE
Binary Inputs
VCCX-IP BINARY INPUTS
Parameter Object Description
Refrigerant Module 4 Relay 3 BI: 122 Current Status of Condenser 1 Enable Relay
Refrigerant Module 4 Relay 4 BI: 123 Current Status of Relay #4
Refrigerant Module 4 Relay 5 BI: 124 Current Status of Relay #5
Preheater Alarm BI: 125 Preheater Alarm Indicator
Return Fan Proving Alarm BI: 126 Exhaust Fan / Return Fan Proof of Flow Alarm
Compressor Running A BI: 127 Current Run Status of Compressor A
Compressor Running B BI: 128 Current Run Status of Compressor B
Compressor Running C BI: 129 Current Run Status of Compressor C
Compressor Running C2 BI: 130 Current Run Status of Compressor C2
Compressor Running D BI: 131 Current Run Status of Compressor D
Compressor Running E BI: 132 Current Run Status of Compressor E
Compressor Running E2 BI: 133 Current Run Status of Compressor E2
Compressor Running F BI: 134 Current Run Status of Compressor F
Compressor Running F2 BI: 135 Current Run Status of Compressor F2
Return Fan Proving Status BI: 136 Proof of Return Fan Airow Binary Input Status
IAQ Mode Active BI: 137 Indicates that IAQ Mode is active
Heat Wheel Defrost Active BI: 138 Indicates Heat Wheel Defrost is active
Direct Fire Status BI: 139 Signal on EM1 binary input 2 from Direct Fire Module that indicates that the direct re heater
is active.
Direct Fire Alarm Status BI: 140 Signal on EM1 binary input 3 that indicates there is an active alarm on the Direct Fire
Module.
Temp Rise Warning BI: 141 Indicates the heat rise when direct re heat is active has exceeded the max heat rise by
more than 1°F.
Temp Rise Alarm BI: 142 Indicates the heat rise when direct re heat is active has exceeded the max heat rise by
more than 2°F.
Temp Rise Lockout BI: 143 Indicates three High Temp Rise alarms occurred within a 1-hour span and the unit heat is
disabled until the unit is serviced.
High CO2 Rise Warning BI: 144 Indicates that high return CO2 was detected when running direct re heat.
High CO2 Rise Alarm BI: 145 Indicates high return CO2 was detected and direct re heat has been temporarily shut down
for recovery.
High CO2 Rise Lockout BI: 146 Indicates three CO2 warning alarms occurred within a 1-hour span and direct re heat is
now disabled until the unit is serviced.
Ignition Lockout BI: 147 Indicates an active alarm on the Direct Fire Module.
Direct Fire Status Lockout BI: 148 Indicates that Direct Fire Status Signal is not active within 10 minutes of a call to activate the
heat. Heat Enable signal is removed and direct re heating is locked out.
Direct Fire Setpoint Override BI: 149 Indicates the max calculated heat rise is limiting the Supply Air Setpoint to a lower value.
Objects labeled BI are read-only.
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