Trane Tracer TD7 User Manual page 19

Hex Diagnostic Name
Code and Source
Transition Complete
3D7
Input Opened
At Speed Input
3D8
Opened
Motor Current
EC
Overload
Starter Contactor
CA
Interrupt Failure
D7 Over Voltage
D8 Under Voltage
RLC-SVU006A-E4
Effects
Severity Persistence
Target
Chiller Immediate Latch
Chiller Immediate Latch
Chiller Immediate Latch
Immediate
Chiller and Special Latch
Action
Chiller Normal NonLatch
Chiller Normal NonLatch
Active Modes
[Inactive Modes]
The Transition Complete input is open
All Running Modes
with the compressor motor running after a
after transition
successful completion of transition. This is
completed
active only for all electromechanical starters
The "At Speed" input was found to be
All Running Modes opened with the compressor motor running
after At Speed after successfully obtaining an at speed and
proven bypassed condition. This is active for solid
state starters and AFD
Compressor current exceeded overload time
vs. trip characteristic. For A/C products Must
Chiller Energized
trip = 140% RLA, Must hold=125%, nominal
trip 132.5% in 30 seconds
Detected compressor currents greater than
10% RLA on any or all phases when the
compressor was commanded off. Detection
time shall be 5 seconds minimum and
10 seconds maximum. On detection and until
Starter Contactor
the controller is manually reset: generate
not Energized
diagnostic, energize the appropriate alarm
[Starter Contactor
relay, continue to energize the Evap and
Energized]
Cond Pump Outputs, continue to command
the affected compressor off, fully unload the
effected compressor. For as long as current
continues, perform liquid level and oil return
gas pump control
a. Average of all monitored Line voltages
above + 10% of nominal. [Must hold =
+ 10% of nominal. Must trip = + 15% of
nominal. Reset differential = min. of 2%
All and max. of 4%. Time to trip = minimum
of 1 min. and maximum of 5 min.)
Design: Nom. trip: 60 seconds at greater
than 112.5%, + or - 2.5%, Auto Reset at
109% or less.
a. Average of all monitored Line voltages
below - 10% of nominal or the Under/
Overvoltage transformer(s) are not
connected. [Must hold = - 10% of nominal.
Must trip = - 15% of nominal. Reset
All differential = min. of 2% and max. of 4%.
Time to trip = min. of 1 min. and max. of
5 min.) Design: Nom. trip: 60 seconds at
less than 87.5%, + or - 2.8% at 200V or
+ or - 1.8% at 575V, Auto Reset at 90%
or greater.
Diagnostics
Reset
Criteria
Level
Local
Local
Local
Local
Remote
Remote
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