RXF PLUS MICROPROCESSOR CONTROL PANEL S70-401 IOM
Page 11
HOTC - The High Oil Temperature Cutout, reported in de-
grees Fahrenheit, will shut down the compressor if the oil
temperature equals or exceeds this setpoint.
HOTA - The High Oil Temperature Alarm, reported in de-
grees Fahrenheit, will trigger a prealarm if the oil tempera-
ture equals or exceeds this setpoint.
SETPOINT DISPLAYS, Page 13*
LOTC=49 HON=113
LOTA=58 HOFF=122
LOTC - The Low Oil Temperature Cutout, reported in de-
grees Fahrenheit, will shut down the compressor if the oil
temperature equals or falls below this setpoint.
LOTA - The Low Oil Temperature Alarm, reported in degrees
Fahrenheit, will trigger a prealarm if the oil temperature
equals or falls below this setpoint.
HON - The setpoint, in degrees Fahrenheit, to turn on the oil
heater when the oil temperature in the oil separator equals
or falls below this setpoint.
HOFF - The setpoint, in degrees Fahrenheit, to turn off the
oil heater when the oil temperature in the oil separator equals
this setpoint.
SETPOINT DISPLAYS, Page 14*
LOW OIL CUT = 030
LOW OIL ALARM = 025
No Pump version and Cycling Oil Pump version when pump
is not running. If the oil pressure is 25 pounds below the
discharge pressure or the oil pressure is within 10 pounds
of the suction pressure for 30 seconds, then the Alarm oc-
curs. If the oil pressure is 30 pounds below the discharge
pressure or the oil pressure is within 7 pounds of the suc-
tion pressure for 120 seconds and the Oil Pressure Alarm
has already been set, then the Cutout occurs.
Full-lube version and Cycling Oil Pump version when pump
is running. If the oil pressure is within 10 pounds of the dis-
charge pressure for 30 seconds then the Alarm occurs. If
the oil pressure is within 5 pounds of the discharge pres-
sure for 10 seconds and the Oil Pressure Alarm has already
been set then the Cutout occurs.
SETPOINT DISPLAYS, Page 15*
RXF-PLUS REV://////
NO PUMP/R717 mmddyy
This display shows the type and current revision of the program.
SETPOINT DISPLAYS, Page 16*
COM SETUP=FRICK STD
ID#=// BAUD=/////
ID - The ID number is a programmable identification code used
in telecommunications to access a specific compressor.
BAUD - Shows the baud rate of the RS-422 communication
port. Both ports are configured as follows: word = 8 bit, par-
ity = none or even, stop = 1 bit. The communications port is
programmable from 300 to 19200 baud.
SETPOINT DISPLAYS, Page 17*
DAY MMDDYY HH:MM:SS
/// ////// //://://
DATE - The Date displays the current date in the following
format: Month - Day - Year.
DAY - Day will display the current day of the week.
TIME - The Time displays the current time in the following
format: Hours - Minutes - Seconds. The time is in 24:00:00
hour clock format.
SECURITY DISPLAY*
KEYBD ENTRY enabled
enter code *****
The [F2] function key will call up the Security display. The
Security display allows the operator to either enable or dis-
able the microprocessor’s keyboard and, thereby, prevent
unauthorized tampering with the various adjustable set-
points. When enabled, the microprocessor keyboard is fully
operative and the security lockout is not in effect. When dis-
abled, the keyboard is rendered partially nonfunctional. All
displays will still be accessible through the keyboard. If any
attempt is made to enter new adjustable setpoints, how-
ever, the microprocessor will default to the Security display.
TO ENABLE THE KEYBOARD, press the [STEP] key so
that the brackets beside Enter Access Code flash; key the
proper five digit access code and press [ENTER]. The
Setpoints Access will toggle from disabled to enabled and
adjustable setpoint entry is now possible.
TO DISABLE THE KEYBOARD, press the [F2] function key
to call up the Security display; press the [STEP] key until the
brackets beside Enter Access Code flash; key the proper five
digit access code and press [ENTER]. Now press the [STEP]
key until the brackets beside Setpoints Access flash, and press
the [CHANGE] key to toggle from enabled to disabled.
TO CHANGE THE ACCESS CODE, press the [F2] function
key to call up the Security display; press the [STEP] key until
the brackets beside Enter Access Code flash; key the proper
five digit access code and press [ENTER]. Now, select the
Enter Access Code a second time by pressing the [STEP]
key until the brackets beside Setpoints Access flash; key in
the new five digit access code and press [ENTER].
NOTE: Power loss will not effect the Security display.
NOTE: IF NO ACCESS CODE WAS ENTERED AND THE
DISABLED COMMAND WAS SELECTED, THE ACCESS
CODE IS [00000].
LOST OR FORGOTTEN ACCESS CODE: Consult Frick
Company for assistance.
OPERATION
* Display for illustrative purposes only.
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