Section VIII - Power$ync II™ Operation
Start-up Displays
Once the diagnostic program has determined that the compressor is ready to begin operation, the following display will prompt the user to start the machine:
STG 1 OUT TEMP______STG 2 IN TEMP______
2 STAGE VERSION 1.04
PRESS ENTER KEY TO SELECT MENU OR PRESS START BUTTON TO START COMPRESSOR
Each compressor is shipped from the factory with the
NOTICE
THE KEYBOARD IS SECURED AGAINST POSSIBLE UNINTENDED ALTERATIONS SEE MANUAL TO UNLOCK THIS FUNCTION
This is aimed at discouraging people from finding the combination to the lock by accident. Pressing the same sequence again will unlock the adjustment displays and menus. The purpose of this lockout feature is to prevent unauthorized personnel from making changes to any setting on the compressor.
The UP or DOWN arrow keys will access the auxiliary pressure sensor displays:
ADDITIONAL SENSORS
STG 1 OUT P______STG 2 OUT P______
FLUID PRESSURE______
UNITS: ______STG 2 OUT TEMP______
This display is of the pressure readings for STAGE 1 OUT, STAGE 2 OUT and the FLUID PRESSURE. These pressures provide verification of the normal operation of the compressor.
Operational Displays
When START is pressed, one of three displays should appear, depending on the mode of operation selected. If, however, the compressor has been manually stopped and an immediate restart is attempted, one of the following messages may appear:
WARNING COMPRESSOR IS STARTING
COMPRESSOR WILL START WHEN THE STAGE 2
DISCHARGE PRESSURE IS UNDER 10 PSI
STAGE 2 DISCHARGE PRES ________
To avoid starting against a load, the Power$ync II™ controller monitors the pressure in the Stage 2 discharge pipe. It will not allow the compressor to start until the pressure has been relieved (down to 10 PSIG) through the blowdown valve. When the pressure reaches that level, the compressor will restart without further action.
A starting display confirms that the compressor is starting and has all valves open:
STG 1 OUT TEMP______STG 2 IN TEMP______
COMPRESSOR IS STARTING
HOURS______STG 2 OUT TEMP______
Power$ync II™ checks for the proper rotation of the compressor at
NOTICE
COMPRESSOR HAS SHUT DOWN
**NOTICE** POSSIBLE REVERSE ROTATION
REFER TO YOUR SERVICE MANUAL
Power$ync II™ checks for reverse rotation by watching the pressure rise in the STAGE 2 discharge. It will shut the compressor down if the STAGE 2 discharge pressure does not reach 8 PSIG within fifteen seconds of the time that the start button is pushed. If this message is displayed, disconnect and lockout and
Quincy Compressor® - QSD™ | 43 |
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