SEAL-O-RING 2W0223 - Caterpillar

The User Interface Panel allows the operator to communicate with the UPS. The User Interface Panel provides the operator with vital information to the safe operation of the equipment. The User Interface Panel allows the operator to start the UPS. The User Interface Panel allows the operator to stop the UPS. The User Interface Panel allows the operator to change the operating parameters and mode of operation. The User Interface Panel allows the operator to display system errors and telemetry data. The following information is displayed on the Liquid Crystal Display (LCD): voltage input, voltage output, power factor, output current, speed of the flywheel and the number of executed discharges.Adjusting the Contrast for the Display
Once power is applied to the system, the LCD should be active. Use the up arrow keys and down arrow keys (1) on the LCD in order to increase the contrast of the screen or decrease the contrast of the screen if "Menu" is not displayed in the LCD or there is no text that is visible. Once the screen is adjusted for the best viewing, the adjustment is done. The current setting is saved in non-volatile memory. The non-volatile memory will remember the setting through the power cycles.
Illustration 1 g00921373
The User Interface Panel for the Multiple Module Unit (1) Arrow Keys (2) Keyswitch (3) Status Indicators (4) Emergency Module Off Button (5) Soft Keys (6) Liquid Crystal Display (1) Arrow Keys - The keypad has two arrow keys that are located at the right of the LCD. The keys are used in conjunction with the LCD. The function of the keys change depending on upon information that is displayed to the left of the key. The arrow keys have the following functions: operational control of the MMU, adjustment of contrast and scrolling. (2) Keyswitch - The keyswitch is used under the following conditions: reset, restart and locking the control in the "Bypass" or "Online" position (3) Status Indicators - The status indicators alert the operator to the status of the MMU. The Status Indicator also alerts the operator of notice messages and alarm messages. The status of the MMU and any messages will be displayed in the LCD. Refer to the following list for information on each indicator:
Normal - This lamp will remain illuminated when the UPS is operating normally. When the MMU is the bypass mode or the system is discharging this lamp will flash. This is a green lamp.
Notice - When there is a "Notice Message" this lamp will illuminate and an audible alarm will activate. This is a yellow lamp.
Alarm - When there is an "Alarm Message" this lamp will illuminate and an audible alarm will activate. This is a red lamp. (4) Emergency Module Off Button ("EMO") - The Emergency Module Off button is used in order to place the MMU in the shutdown mode. This button is blue.
When the emergency power off switch is used, high voltage still remains in the system.
Illustration 2 g00760189
(7) Emergency Power Off Reset Circuit Breaker