Ingersoll-Rand Intellisys SSR 10-40, Руководство для обслуживающего персонала

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12) STEPPER LIMIT SWITCH
This alarm will occur if the open and close limit switches of the stepper
limit switch board are made at the same time.
13) STARTER DOOR OPEN
This alarm will occur if the start door is opened.
14) REMOTE STOP FAILURE
If the REMOTE START/STOP option is enabled and the remote stop
button is not wired in, this alarm will occur.
15) REMOTE START FAILURE
This alarm will occur if the unit is started by the remote start button and
the button stays closed for 7 seconds after the unit starts.
16) SENSOR FAILURE
Whenever a sensor is recognized as missing or broken, a sensor failure
alarm will occur. The sensors affected by this alarm are 1AVPT, 3APT,
4APT, 10PT, 2ATT, and 2CTT. The failure sensor will be displayed along
with the sensor failure message.
INITIAL CHECK ALARM
This alarm will only occur when the machine is not running. When it occurs, the
message WAIT FOR COOL DOWN is added to the alternating group of alarm
messages.
17) HIGH A/E DISCH TEMP
This will occur if 2ATT is greater than 95% of the high air end discharge
temperature limit.
EMERGENCY STOP
This will occur when the EMERGENCY STOP button is engaged. The display
will alternate between:
EMERGENCY STOP
DISENGAGE BFR START.
When the EMERGENCY STOP button is disengaged the display will change to:
RESET BEFORE START.
Press the RESET button once to reset this alarm.
WARNINGS
When a warning occurs, the display will alternate between the current message
and the warning message. If multiple warnings exist, the message
SCROLL FOR WARNINGS
will be substituted for the warning messages. The up and down arrows can be
used to obtain the warnings.
A warning needs to be reset by an operator. The warning will clear when the
RESET button is pressed once. The following is a list of the warning messages.
1) CHANGE INLET FILTER
This will occur if 1AVPT is greater than .7 psi (vacuum) and the unit is fully
loaded (inlet valve is completely open).
2) CHG COOLANT FILTER
This warning will occur if the oil filter delta p switch closes, 2CTT is greater
than 120 degrees, and the unit is loading.
3) CHANGE SEPR ELEMENT
This warning will occur if [(3APT - (4APT + CONSTANT)) >= 12], the unit
is loading, 2CTT is greater than 120 degrees, and 4APT is greater than
90 psig.
4) AIR END DISCH TEMP
CHECK AIR/OIL SYSTEM
This will occur if 2ATT is within 97% of the alarm limit.
5) SENSOR FAILURE 4ATT
This will occur if 4ATT is determined to be missing or broken.
SSR 50 HORSEPOWER AND HIGHER
INTELLISYS COMPONENTS
The Intellisys system has seven (7) external control components; 3 pressure
transducers; 3 temperature thermistors; and the inlet butterfly stepper motor.
The pressure transducers convert a pressure/vacuum signal to a variable
millivolt output to the Intellisys.
Pressure Transducer
0-200 psi
0-50 M. V.
(M. V. output is linear and can be read on green and white wires) for example:
0 psi = 0 M. V.
4 psi = 1 M. V.
100 psi = 25 M. V.
200 psi = 50 M. V.
The transducers are supplied with a 5 VDC signal. The three pressure
transducers are located on the side of the starter box with tubes connecting them
to the airend inlet below the butterfly valve (0-15 psi) to the separator tank sump
and to the moisture separator trap (0-200 psi).
The three temperature thermistors function by changing a resistance value to
the Intellisys as the temperature changes. These thermistors are located in the
airend discharge, injected coolant manifold and in the moisture separator/trap.
These three elements are interchangeable.
The stepper motor controls the position of the inlet butterfly valve electrically.
The Intellisys controller monitors the system pressure and compares it to the
programmed set points and commands the stepper motor open and close the
inlet butterfly valve to maintain system demand under all control modes.
The stepper motor and stepper limit board are connected to the Intellisys system
at the starter interface board terminal BTS-2.
The pressure transducers and temperature thermistors are connected to the
Intellisys system at the analog barrier terminal board. Both of the above
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