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Section VIII - Power$ync II
™
Operation
54 Quincy Compressor
®
- QSD™
The Control Test menu will be available only when the
compressor is in a stopped state to allow testing of the
electrical and valve controls.
COMPRESSOR CONTROL TEST MENU 1
**********************************
UNLOAD VALVE TEST ➔ PRESS F1
**********************************
Press F1 again to proceed with the test, or press
ENTER to return to Compressor Maintenance
Menu 2. If the compressor is running, pressing F1
will have no effect.
UNLOADING VALVE TEST
STAGE 1 VALVE
PRESS F1 TO OPEN PRESS F2 TO CLOSE
PRESS ENTER FOR NEXT
Press F1 to open STAGE 1 lift valve. Press F2 to
close STAGE 1 lift valve. Be sure to close STAGE
1 lift valve before proceeding. Press ENTER to go
to the next test menu.
UNLOADING VALVE TEST
STAGE 2 VALVE
PRESS F1 TO OPEN PRESS F2 TO CLOSE
PRESS ENTER TO RETURN
Press F1 to open STAGE 2 lift valve. Press F2 to
close STAGE 2 lift valve. Be sure to close STAGE
2 lift valve before proceeding. Press ENTER to
return to Compressor Maintenance Menu 2.
Press F2 at Compressor Maintenance Menu 2 to display
the following compressor information menus:
SERIAL NUM: _______ VER: ___.___
MODEL:____________ HORSEPOWER: _______
VOLTAGE: __________ STARTER: ____________
COOLING: __________ UNITS: _______________
This display shows the serial number of the
compressor, the software version running, the
model number, drive motor horsepower, drive
motor voltage, type of starter, type of cooling and
type of units that temperature and pressure are
displayed in. Use the UP arrow key to move to
the next display. Press ENTER to return to
Compressor Maintenance Menu 2.
HAT (2) TEMP:_______ INTER. PRESS: ________
MAX UNLOAD: ______ MIN LOAD:____________
LOAD PRESS:_______ UNLOAD PRESS: ______
FLUID PRESS: ______ MACHINE ID: __________
This display shows the HAT shutdown STAGE 2
setting, interstage shutdown pressure setting,
maximum unloaded pressure setting, minimum full
load pressure setting, current load pressure
setting, current unload pressure setting, fluid
pressure setting and machine ID. Use the UP
arrow key to move to the next display. Press
ENTER to return to Compressor Maintenance
Menu 2.
OPERATING MODE: _________________________
AUTO DUAL TIME: ____ WYE DELTA TIME: ____
HAT STG. 1 DISCH _______ STG. 2 IN ________
HAT PACKAGE DISCH CAPACITY ______________
This display shows the current operating mode
(Continuous Run, Auto Dual or Network), timer
setting in minutes for turning off the unit after it
has unloaded, timer setting in seconds for
switching from wye to delta (if a wye-delta starter
has been provided), STAGE 1 temperature
shutdown, STAGE 2 inlet temperature shutdown,
package temperature shutdown, and rated
capacity in CFM. Use the UP arrow key to move
to the next display. Press ENTER to return to
Compressor Maintenance Menu 2.
**LOAD/UNLOAD CYCLES: ______TOTAL
**CYCLES/MINUTE:______************
LOADED TIME:______(SECS)**********
UNLOADED TIME: _____**************
The LOAD/UNLOAD CYCLES is a total count of
the number of times this compressor has cycled
while running in Power$ync II
™
Mode. This can
be useful to determine if the blowdown solenoid
valve needs to be serviced or replaced. The
CYCLES/MINUTE displays the number of cycles
that have occurred in the last minute. This number
is updated every minute as long as the compressor
is running. LOADED TIME and UNLOADED
TIME display, in seconds, how long the
compressor was loaded and unloaded in the last
cycle. Tests have shown that short cycles can cause
overheating of the compressor. To ensure that
short cycling will not cause overheating of the