Page 4
SD-290-509
© 2009 Sporlan Division, Parker Hannifin Corporation
PROGRAM*
ITEM NUMBER
DESCRIPTION
PROGRAM
DEFAULT SETPOINTS
952971
SUBCOOL -O-MATIC
R-507 small valve
P0033
R507 SMAL
SHSP=10 LQSP=45
GAIN=10 ING=50
DERI=20
952972
SUBCOOL -O-MATIC
R-404A small valve
P0033
404A SMAL
SHSP=10 LQSP=45
GAIN=10 ING=50
DERI=20
952973
SUBCOOL -O-MATIC
R-22 small valve
P0033
R22 SMAL
SHSP=10 LQSP=45
GAIN=10 ING=50
DERI=20
952974
SUBCOOL -O-MATIC
R-134A small valve
P0033
134A SMAL
SHSP=10 LQSP=45
GAIN=10 ING=50
DERI=20
953050
SUBCOOL -O-MATIC
R-507 medium valve
P0033
R507 MED
SHSP=10 LQSP=45
GAIN=22 ING=50
DERI=20
953068
SUBCOOL -O-MATIC
R-404 large valve
P0033
R404 LRG
SHSP=10 LQSP=45
GAIN=22 ING=50
DERI=20
ACCESSORIES
PART NUMBER
DESCRIPTION
NOTES
952740
Transducer Kit
1 required per controller
952662
Temperature Sensor Kit
2 required per controller
Can be used as suction or subcooled liquid sensor.
958737
Panel Display
Not required for normal operation. Suggested for
field troubleshooting or parameter modification.
953276
SMA-12
Not required for normal operation.
Suggested for valve test & troubleshooting.
*Program number, eg. P0033 will be followed by revision number, eg. -02.
Table 3
Table 4
TROUBLESHOOTING
ALARMS
Subcool-O-Matic boards with production dates after 4-16-07 include
alarms and fail safe features. Failed mis-wired sensors will trigger an
alarm. When triggered, an alarm code will be displayed on the 2 digit
onboard display and on the remote panel display, when used. Each alarm
indicates that the referenced sensor is mis-wired, disconnected or faulty.
The alarm will persist until the problem is corrected.
Since the liquid and suction temperature sensors are identical, no alarm
will be triggered if the sensors are placed in the incorrect location (i.e.
liquid sensor on the suction line) refer to Figure 4, however, superheat
readings and control will be inaccurate.
Failed temperature sensors will generally read extremely low resistance
or infinite resisitance when tested with an ohmmeter. Readings should be
taken with the sensor disconnected from the board.
Pressure transducers are tested while connected to the board and powered.
Voltage between 1+ and 1- should be 5.0 volts DC. Voltage between 1-
and 1S will be between 0.5 and 4.5 volts DC.
Pressure transducers must be installed tight enough to depress the valve
stem in the fitting. Failure to do so will result in erroneous pressure read-
ings and possibly leaks.
FAILSAFE
If the superheat falls below 2 degrees, the valve will shut within 80 seconds.
ALARM
ONBOARD
DISPLAY
REMOTE
DISPLAY
Liquid temperature sensor
LS
LQSR
Suction (outlet) temp. sensor
OS
SCSR
Pressure transducer alarm
PS
PRSR
No alarm
actual superheat
NOAL
Table 2
