PTM200 - PTM1000 USER GUIDE
Page 11 - Rev D
7.
List of Alarms / Warnings
ALARM
CODE
CONDITION
TIME-OUT
SHUT-
DOWN
RESET
OFF STATE
LOW EVAPORATOR
TEMPERATURE
A1
Dewpoint <= 33˚F (2˚C)
2 minutes
YES
AUTO
RESETS
DRYER OVERLOAD
A2
Dewpoint is 30 de-
grees above the set
point.
40 minutes
YES
AUTO
RESETS
LOW REFRIGERANT
PRESSURE
A3
Suction Pressure
switch is open while
compressor is on
1 seconds
YES
MANUAL
RESETS
HIGH REFRIGERANT
PRESSURE
A4
Discharge Pressure
switch is open while
compressor is on
none
YES
MANUAL
RESETS
LOW COOLANT
TEMPERATURE
A5
Glycol Temp < 32˚F
(0°C)
2 minutes
YES
MANUAL
RESETS
DRAIN FAULT
dr
Drain switch is closed
for too long
15 seconds
NO
MANUAL
ENABLED
SENSOR FAULT OPEN
DEWPOINT SENSOR
F0
Dewpoint Sensor is
open (or greater than
200˚F (93.33˚C)
1 second
YES
MANUAL
RESETS
SENSOR FAULT SHORTED
DEWPOINT SENSOR
F1
Dewpoint Sensor is
shorted (or less than
4˚F (-15.55˚C)
1 second
YES
MANUAL
RESETS
SENSOR FAULT OPEN
GLYCOL/WATER SENSOR
F2
Glycol Temp Sensor is
open
1 second
YES
MANUAL
RESETS
SENSOR FAULT SHORTED
GLYCOL/ WATER SENSOR
F3
Glycol Temp Sensor is
shorted
1 second
YES
MANUAL
RESETS
HIGH DEWPOINT
TEMPERATURE
Hd
Dewpoint is 15 de-
grees above the set
point
none
NO
AUTO
ENABLED
COMPRESSOR
PROTECTION
CP
Excessive cycling
none
NO
MANUAL
RESETS
SERVICE
Sr
Service Interval
Perform Maintenance
360 days
NO
MANUAL
ENABLED
Содержание PTM Series
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