Franklin Q-link - 8.5 Protection

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8.5 Protection
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PROT-1: Preheat Mode
Preheat Mode
1) Disabled
0 - Disabled
1 - Low Heat
2 - Medium Heat
3 - High Heat
Default: Disabled

0‐Pre‐HeatDisabled;
1‐Lowcurrentlevelwithlowdutycyclefor
cooltemperatures.VFDprovideslowlevelpre‐
heatcurrentwithlowdutycycle.Itshouldbe
enoughtokeepmotorwindingwarmduring
coolsummernights;
2‐Mediumcurrentlevelwithmediumduty
cycleforcoldtemperatures.VFDprovides
mediu
mlevelpre‐heatcurrentwithmedium
dutycycle.Itshould beenoughtokeepmotor
windingwarmduringcooldaysandcoldnights
inautumnorspring;
3‐HighcurrentlevelwithHighdutycyclefor
freezingtemperatures.VFDprovideshighlevel
pre‐heatcurrentwithhighdutycy
cle.Itshould
beenoughtokeepmotorwindingwarmduring
colddaysandfreezingnightsinwinter.
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PROT-3: No Motor Fault
No Motor Fault
3) Enabled
0 - Disable
1 – Enable
Default: Enabled

Allthreephaseshavecurrentbelow15%ofFLA
for250ms

PROT-4: Stall Prevention
Stall Prevention
4) Enabled
0 - Disable
1 – Enable
Default: Enabled

This works  as a current limiting function
protecting motorfrom excessivecurrent above
the stall level setting by decreasing the motor
speed until the current is reduced to the stall
levelorspeedisreducedtotheminimumspeed.

PROT-5: Stall Level
Stall Level
5) 150%
Min: 30%
Max: 200%
Default: 150%

Stalllevelissetasapercentageofthemotor
FLA.

PROT-6: DC Trip Prevention
DC Trip Prevention
6) Enabled
0 - Disabled
1 – Enabled
Default: Enabled

EnablespreventionofDCTrip. 

PROT-7: Overload Continuous
Ovld Continuous
7) 100%
Min: 50%
Max: 135%
Default: 100%

EOLcontinuouslevel(SFAifmotorcanrunatSF
24/7)EOLisalwaysenabledtoprotectmotor.

Overload Continuous is a percentage of
PRIMARY‐04 Motor FLA for continuous run
without E‐Thermal trip. It can be set to motor
SFA(servicefactoramps)ifmotorisdesignedto
operateatse
rvicefactorampscontinuouslylike
submersible pump motors. For most of the
standardinduction motorsthis valueshouldbe
keptat100%(default).



PROT-8: Overload Trip Class
Ovld Trip Class
8) 10%
Min: 1%
Max: 50%
0 - Class 5
1 - Class 6 (Pump)
2 - Class 10
3 - Class 20
Default: 10%

Motoroverloadindustrystandardclasscurve
selections.(ONLYforVFD) 
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