Grain Systems PNEG-1590 - Manual (Page 2)

Revision 08
Page 2 of 3
Dryer Pre-fire Checklist
___ Check wiring in control boxes (Jumpers, loose wires, and strands).
___
Check wiring to the main power supply.
___ Check location of 1FI and 2FI wires, make sure 1 is on L1 and 2 is on L3.
___ Capacitor is installed on moisture control light (2000 series only).
___ Check all overloads are set at the rated amperage listed on motors rating plate.
___ Check wiring in fan boxes
___ Check fan overloads are set at the rated amperage listed on the motors rating plate.
___ Check direction of flow on all solenoids and regulators.
___ Perform a Dielectric Strength (Hi-Pot) test in accordance with work instruction QSD-000152.R00. ___ Pass, ___ Fail
___ Perform a Grounding Continuity test in accordance with work instruction QSD-000151.R00. ___ Pass, ___ Fail
___ Apply required power.
___ Install newest version of software into the computer. Version # _______
___ Check switch wiring using feature in program (Vision).
___ Check switch lights for correct colors.
___ Set dip switches on back of display I/O. 2 & 3 on for GSI, 2 on for FFI.
___ Put correct model number of dryer into computer.
___ Check LCD for backlighting.
___ Do all operating lights work?
___ Overload amp range: Load _______, Unload _______, Fan #1 _______, #2 _______, #3 _______, #4 _______, #5 _______, #6 _______.
___ Auxiliary overload amp range: Unload _________ Load _________.
___ Check 12 volt output. _________ Volts.
___ Check that grain and plenum temperature read out is correct.
___ Check the SCR drive resistor for the proper size.
___ Check outside light.
___ Check motor rotation: Unload (CCW) _________Load (CW) _________ Metering rolls (CW) _________ Load CCW for FF _________.
___ Ensure Aux contactor engages when load is on
___ Ensure Aux contactor engages when unload is on
___ Check Unload Auger for Excessive Vibration.
___ Metering roll RPM and BPH are displayed and counting.
___ Check 2 speed operation with moisture control on for low speed and off for high speed.
___ Turn pots on main I/O board fully to the right.
___ Set SCR board pots IR to 10 o’clock and CL to 4 o’clock.
___ Adjust minimum voltage for SCR drive to 9 volts @ 0 on pot display for vision set 9 volts @ 50 for (2000 series)
___ Adjust maximum voltage for SCR drive to 180 volts @ 1000 on pot display
___ Check for unload auger clean out time delay after SCR has shut off meter rolls.
___ Check load motor on and off operation with the mercury switch with delay.
___ Check the out of grain timer is working.
___ Check motor running amps: Unload ___________amps. Load _____________amps.
___ Run fans with airswitch on to make sure it is wired correctly.
___ Check the fan motor(s) running amps: Fan #1 _______ Fan #2 _______Fan #3 _______Fan #4 _______Fan #5 _______Fan #6 _______
___ Check total running amps of the dryer: _______amps.
___ Is there a 5 second time delay between each fan start-up.
___ Check 20 second safety on burners with burner on but with no gas attached. #1 ____ #2 ____ #3 ____ #4 ____ #5 ____ #6 _____
Dryer Burner Operation Checklist
___ Adjust the vaporizer coil (LP units only). Burner #1 ______ #2 ______ #3 ______ #4 ______ #5 ______ #6______
___ Operate dryer in continuous flow mode.
___ Do all burners light: Burner #1 ______ #2 ______ #3 ______ #4 ______ #5 ______ #6 ______
___ Adjust gas pressure ______ 3 & 10 lbs. for LP, ______ 2 & 6 lbs. for natural gas.
___ Check burner pipe trains for gas leaks: Burner #1 ______ #2 ______ #3 ______ #4 ______ #5 ______ #6 ______
___ Do all burners cycle from high to low: Burner #1 ______ #2 ______ #3 ______ #4 ______ #5 ______ #6 ______
___ Cycle burner six times by using the burner control switch
___ Cycle burner six times by setting the computer to on/off fire
___ Operate dryer in staged batch mode 2 times.
___ Does moisture control hold at the end of the dry cycle?
___ Video dryer with all motors and burners on.
___ Burn all gas out of pipe train.
Safety Shutdown Checklist
___ Housing high limit for fan #1 ______ #2 ______ #3 ______ #4 ______ #5 ______ #6 ______
___ Vapor high limit for each fan (On LP units only) #1 ______ #2 ______ #3 ______ #4 ______ #5 ______ #6 ______
___ Fixed grain high limits: Lower ____ Middle ____ Upper ____.
___ Check discharge switch with unload running to check discharge vibration and ensure proper shut down
___ Remove grain sensor wires to ensure proper wiring
___ Auxiliary user safety.
___ Plenum high limit for each plenum chamber.
___ Motor overload.
___ Make sure all covers are on boxes and housing high limits