Bryant 580J*08--14D Service And Maintenance Instructions page 46

POINT NAME
Safety Chain Alarm safety_chain
Fire Shutdown Alarm fire_alarm
Space Temp Sensor
spt_alarm
Failure
SAT Sensor Alarm sat_alarm
High Space Temp Alarm spt_hi
Low Space Temp Alarm spt_lo
High Supply Air Temp sat_hi
Low Supply Air Temp sat_lo
Supply Fan Failed to
sf_fail
Start
Supply Fan in Hand sf_hand
Compressor Safety
dx_compstat
Alarm
Setpoint Slider Alarm slide_alarm
Dirty Filter Alarm filter
Switch Configuration
sw_cfg_alarm
Alarm
Misconfigured Analog
an_cfg_alarm
Input
OAT Sensor Alarm oat_alarm
Space RH Sensor Alarm sprh_alarm
Outdoor RH Sensor
oarh_alarm
Alarm
High Space Humidity sprh_hi
Low Space Humidity sprh_lo
IAQ Sensor Alarm iaq_alarm
OAQ Sensor Alarm oaq_alarm
High Carbon Dioxide
co2_hi
Level
Supply Fan Runtime
sf_rntm
Alarm
Compressor 1 Runtime
dx1_rntm
Alarm
Compressor 2 Runtime
dx2_rntm
Alarm
Table 18 – Troubleshooting Alarms
BACnet
ACTION TAKEN BY
OBJECT
CONTROL
NAME
Alarm Generated
Immediate
Shutdown
Alarm Generated
Immediate
Shutdown
Alarm Generated
Immediate
Shutdown
Alarm Generated
Immediate
Shutdown
Alarm Generated
Alarm Generated
Alarm Generated
Alarm Generated
Alarm Generated
Immediately
disable Operation
Alarm Generated
Ramp down
Operations
Alarm Generated
Alarm Generated
Offset set to zero
Alarm Generated
Alarm Generated
Disable
misconfigured switch
functions
Alarm Generated
Disable 4 selectable
analog inputs
Alarm Generated
Economizer and Low
ambient DX cooling
lockout disabled.
Alarm Generated
Dehumidification
disabled
Alarm Generated
Alarm Generated
Alarm Generated
Alarm Generated
Disables IAQ
Operation
Economizer moves
to minimum position
Alarm Generated Set
OAQ to 400
Alarm Generated
Alarm Generated
Alarm Generated
Alarm Generated
RESET
PROBABLE CAUSE
METHOD
Automatic Over load Indoor Fan or Electric Heater overheat.
Smoke detected by smoke detector or
Automatic
configuration incorrect
Faulty, shorted, or open thermistor caused by
Automatic
wiring error or loose connection.
Faulty, shorted, or open thermistor caused by
Automatic
wiring error or loose connection.
The space temperature has risen above the cool
Automatic
setpoint by more than the desired amount.
The space temperature has dropped below the
Automatic
heat setpoint by more than the desired amount.
SAT is greater then 160 degrees for more than 5
Automatic
minutes.
The supply air temperature is below 35_F for
Automatic
more than 5 minutes.
Tripped Circuit Breaker, Broken belt, Bad indoor
fan motor, Configuration incorrect, Bad fan status
Automatic
switch.
Automatic Bad Fan Status Switch, Configuration incorrect.
Automatic Compressor would not start.
STO sensor is open or shorted for more then 5
Automatic
seconds.
Automatic/re
set timer
when
Dirty Filter, supply fan run time exceeded, filter
configured
switch configuration wrong.
with or
without
switch
More than one binary input is configured for the
Configure
same purpose. More then one discrete input is
correctly
configured to provide the same function.
Configure More then one analog input is configured to
correctly provide the same function.
Faulty, shorted, or open thermistor caused by
Automatic
wiring error or loose connection.
Sensor reading is out of range. Bad sensor, bad
Automatic
wiring, or sensor configured incorrectly.
Sensor reading is out of range. Bad sensor, bad
Automatic
wiring, or sensor configured incorrectly.
IRH is greater then 70% for more then 10
Automatic
minutes.
Automatic IRH is less then 35% for more then 10 minutes.
Sensor reading is out of range. Bad sensor, bad
Automatic
wiring, or sensor configured incorrectly.
Sensor reading is out of range. Bad sensor, bad
Automatic
wiring, or sensor configured incorrectly.
Automatic CO2 reading is above 1200ppm.
clear the
Supply fan run time exceeded user defined limit.
timer
clear the
Compressor run time limit is exceeded.
timer
clear the
Compressor run time limit is exceeded.
timer
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