Carrier Ecologic Series 3 - Page 47

47
Table 36 — Alarm and Alert Codes (cont)
ALARM/ALERT
CODE
ALARM OR
ALERT
DESCRIPTION
WHY WAS THIS
ALARM GENERATED?
ACTION TAKEN
BY CONTROL
RESET METHOD
PROBABLE
CAUSE
7 Alert Cir. A Discharge Gas
Thermistor Failure
Thermistor outside
range of –40 to 245 F
(–40 to 118 C) or DGT
> 210 F (98.9 C)
Circuit A shut down Manual Thermistor failure, motor
cooling solenoid failure
or wiring error.
8 Alert Cir. B Discharge Gas
Thermistor Failure
Thermistor outside
range of –40 to 245 F
(–40 to 118 C) or DGT
> 210 F (98.9 C)
Circuit B shut down Manual Thermistor failure, motor
cooling solenoid failure
or wiring error.
9 Alarm Cooler Leaving Fluid
Thermistor Failure
Thermistor outside
range of –40 to 245 F
(–40 to 118 C)
Chiller shut down Automatic Thermistor failure, dam-
aged cable/wire or wir-
ing error.
10 Alarm Cooler Entering Fluid
Thermistor Failure
Thermistor outside
range of –40 to 245 F
(–40 to 118 C)
Uses 0.1° F/% Total
Capacity as rise/ton
Automatic Thermistor failure, dam-
aged cable/wire or wir-
ing error.
11 Alert Condenser Leaving
Fluid Thermistor Failure
Thermistor outside
range of –40 to 245 F
(–40 to 118 C)
None. Chiller continues
to run.
Automatic Thermistor failure, dam-
aged cable/wire or wir-
ing error.
12 Alert Condenser Entering
Fluid Thermistor Failure
Thermistor outside
range of –40 to 245 F
(–40 to 118 C)
None. Chiller continues
to run.
Automatic Thermistor failure, dam-
aged cable/wire or wir-
ing error.
15 Alert Compressor A1 High
Motor Temperature
Thermistor outside
range of –39.9 to 245 F
(–39.9 to 118 C) for 5
consecutive readings
Compressor A1 shut
down
Manual Thermistor failure, motor
cooling (all), or Econo-
mizer (2 comp. circuits)
solenoid failure.
16 Alert Compressor A2 High
Motor Temperature
Thermistor outside
range of –39.9 to 245 F
(–39.9 to 118 C) for 5
consecutive readings
Compressor A2 shut
down
Manual Thermistor failure, motor
cooling (all), or Econo-
mizer (2 comp. circuits)
solenoid failure.
17 Alert Compressor B1 High
Motor Temperature
Thermistor outside
range of –39.9 to 245 F
(–39.9 to 118 C) for 5
consecutive readings
Compressor B1 shut
down
Manual Thermistor failure, motor
cooling (all), or Econo-
mizer (2 comp. circuits)
solenoid failure.
18 Alert Compressor B2 High
Motor Temperature
Thermistor outside
range of –39.9 to 245 F
(–39.9 to 118 C) for 5
consecutive readings
Compressor B2 shut
down
Manual Thermistor failure, motor
cooling (all), or Econo-
mizer (2 comp. circuits)
solenoid failure.
21 Alert External Reset Temper-
ature Thermistor Failure
Thermistor outside
range of –40 to 245 F
(–40 to 118 C)
Reset disabled. Runs
under normal control/set
points.
Automatic Thermistor failure or wir-
ing error.
22 Alert Circuit A Discharge
Pressure Transducer
Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit A shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.
23 Alert Circuit B Discharge
Pressure Transducer
Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit B shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.
24 Alert Circuit A Suction
Pressure Transducer
Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit A shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.
25 Alert Circuit B Suction
Pressure Transducer
Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit B shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.
26 Alert Comp A1 Oil Pressure
Transducer Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Comp A1 shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.
27 Alert Comp A2 Oil Pressure
Transducer Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Comp A2 shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.
28 Alert Comp B1 Oil Pressure
Transducer Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Comp B1 shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.
29 Alert Comp B2 Oil Pressure
Transducer Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Comp B2 shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.
30 Alert Circuit A Economizer
Transducer Failure
Calibration offset more
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit A shut down Automatic Transducer failure,
power supply failure, or
wiring damage/error.