Ingersoll-Rand Thermo King CRR DF MPC2000, Руководство по обслуживанию

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Microprocessor Controller
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2. LED display with 20.32 mm high characters:
• Five alpha numeric characters: Numerical hundredths, tens, ones and tenths position, a C for
Celsius or F for Fahrenheit for temperature display.
• LED display shows current control temperature (return or supply). Status LEDs signal sensor
temperature shown in LED display. If a sensor is out of range the display shows “+Err” or “-Err”.
The ± sign indicates whether the sensor temperature is out of range high or low.
• The LED display is also used to show the current state of a Pretrip (PTI) test.
3. LCD display with 4 line, 20 character message display:
• LCD standard display shows setpoint temperature during normal operation information.
• LCD display shows controller menu and unit operation information when special keys are
pressed.
4. Sixteen general purpose keys are used to enter and scroll through the controller menu tree and
message text; initiate a Pretrip test; enter new setpoint temperature; and enter trip information.
The keyboard supports both numerical and text input. Each key can have more than one meaning. Use
the special text keys F1, F2, F3 and F4 to enter text in an information screen:
• F1 key: Press the F1 key, then press another general purpose key to enter the number shown on the
key.
• F2 key: Press the F2 key, then press another general purpose key to enter the first letter shown on
the key.
• F3 key: Press the F3 key, then press another general purpose key to enter the second letter shown
on the key.
• F4 key: Press the F4 key, then press another general purpose key to enter the third letter shown on
the key.
NOTE: When the F1, F2, F3 or F4 key is pressed to enter a character in the display, the keypad
remains on that “character level” until another “level” is selected by pressing the F1, F2, F3 or F4
key.
Text Input Example: To enter THERMO in an information screen:
a. Enter “T” by pressing F3 key, then pressing STU key.
b. Enter “H” by pressing GHI key.
c. Enter “E” by pressing DEF key.
d. Enter “R” by pressing F4 key, then pressing PQR key.
e. Enter “M” by pressing F2 key, then pressing MNO key.
f. Enter “O” by pressing F4 key, then pressing MNO key.
General text keys F1, F2, F3 and F4 also include directional arrows for entering and scrolling through
the controller Main Menu:
• F1 key: ESC indicates that pressing the K1 key moves the cursor out of (exits) a menu list.
• F2 key: FORWARD/UP ARROWS indicate that pressing the K2 key scrolls the cursor forward
and/or upward through text boxes and menu lists.