2. Pepperl+Fuchs
  3. 7500-01-AA-STD-UNV-PNO

Pepperl+Fuchs 7500-01-AA-STD-UNV-PNO Quick start guide

  • Hello! I've reviewed the 7500 Controller Quick Guide and I'm ready to answer your questions about it. This document covers the controller's operating elements, programs, and setup options. I can help with information on purging times, pressure settings, LED indications, and also troubleshooting tips provided in this document.
  • How to enter the Purge Setup or Contrast menu?
    What are the default minimum pressures for gas and dust in the enclosure?
    What are the available display orientation modes?
    What is the purpose of Pressure P2 setting?
CONTRAST
SETUP
0:30
0%
3
Purgingtime:%complete/ Timeleft
PurgingProgram
EnclosurePressure
0to2” w.c.range
0to10” w.c.range
P1
P3 P2 BarGraph
EnclosurePressure
P4
2
0.80
3.00 6.00 10
X.XXinHO
2
0.35
ToenterPurgeSetuporContrast
pressandholdfingeronthedisplay
inpositionfor5seconds. To
enterContrastpushatlocation
shown
7500Programming QuickGuide
Operatingelementsofthecontroller The7500controllerhasatouchscreenand4LEDs
PortraitView
DISPLAY PARAMETERDEFAULT
0000
3
00:30
Gas:0.25” (0.63mbar)
Dust:0.63” (1.63mbar)
0.8” (2mbar)
3.0” (7.5mbar)
6.0” (15mbar)
0.2” (0.5mbar)
K1
0sec
Off
Imperial
Portrait
Off
EnterPSWsettings
Programmodes
Purgingtime
Minpressure
Alarmpressure
Purgingpressure
Maxpressure
Leakagecomp
K2function
Delayshut-offK1
Bypassoff/on
MetricorImperial
Changepassword
FactoryRestore
LandscapeorPortrait
PowerOFFthenON
PASSWORD/SET
PURGE/PROGRAM
PURGE/ TIME
ENCLOSUR/PRESSP1
ENCLOSUR/PRESSP2
ENCLOSUR/PRESSP3
ENCLOSUR/PRESSP4
LEAKAGE/HYST
PROGRAM/K2
SHUT-OFF/DELAY
BYPASS/N Y
UNITS/MI
CHANGE/PASSWORD
RESTOREDEFAULTS
DISPLAY ROTATION
CYCLEPOWER
Program ApplicationPurgeOperationSpecifics
GasImmediate
Purge
GasDelayed
Purge
GasImmediate
Purge
DustClean
Enclosure
GasDelayed
Purge
Purgestartsonpowerup(SV1)
AfterpurgingEnclosurecontacts(K1)energize
Ifmax.Press(P4)isreached,SV1turnsoff
EnclosurepowerONduringlossofpressure(K1)
Alarmscanbesetforlowpressure.(K2)
Pressurecompensationturnsonbelow(P2)
Nopurgingisrequiredforprogram5
IncreaseenclosurepressureaboveP1
Menuscreenwillshow’CLEANENCLOSURE’
Cleanenclosure
‘SET’ buttonenergizesenclosure.
PurgestartsaboveP1pressure(SV1)
AfterpurgingEnclosurecontacts(K1)energize
Ifmax.Press(P4)isreached,SV1turnsoff
EnclosurepowerONduringlossofpressure(K1)
Alarmscanbesetforlowpressure.(K2)
Pressurecompensationturnsonbelow(P2)
PurgestartsaboveP1pressure(SV1)
AfterpurgingEnclosurecontacts(K1)energize
Ifmax.Press(P4)isreached,SV1turnsoff
EnclosurepowerOFFduringlossofpressure(K1)
Alarmscanbesetforlowpressure.(K2)
Pressurecompensationturnsonbelow(P2)
Purgestartsonpowerup(SV1)
AfterpurgingEnclosurecontacts(K1)energize
Ifmax.Press(P4)isreached,SV1turnsoff
EnclosurepowerONduringlossofpressure(K1)
Alarmscanbesetforlowpressure.(K2)
Pressurecompensationturnsonbelow(P3)
The7500controllerhas5purgingandpressurizationprogramsavailable.
Belowaretheprograms:
PurgetimeissetinMin:Sec(000:00).Usingthearrow
keytoincrementthetime.Holdeitherkeydownfor
fasteradvance
LEDIndication
PressureP1isthemin. Allowedpressurefor
safeuse.Minvalueis0.25” forgasand0.63”
fordust.P1valuecannotgoaboveP2,P3,P4
PressureP2isusedtoforlowpressurefunction.
Compensationforleakagesforcertainfunctions
willactivateSV1whenbelowP2
PressureP3isusedtoactivatethetime
forpurging.PressureaboveP3indicates
properflowforpurging.Inprogram4,P3
willstartcontinuousflowcompensation.
PressureP4isamaximumoverpressure
value.Inreachingthisvaluethedisplay
willread ‘MAX’.IfP4isachievedduring
purgingSV1willshutoffuntilpressure
belowP4.
ENCLOSUR/PRESSP1
ENCLOSUR/PRESSP2
ENCLOSUR/PRESSP3
ENCLOSUR/PRESSP4
Purgetime
Purge1
Purge2
Purge3
Purge4
Purge5
LEDLEDColorDescription
K1
K2
P/SV1
Green
Amber
Blue
Amber
ContactK1isenergized(enclosurecontacts)
ContactK2isenergized(alarmcontacts)
SafepressureP1(minimumencl.press.)
SV1isenergized
PurgingProgram
0to2” w.c.range
ToenterPurgeSetuporContrast
pressandholdfingeronthedisplay
inpositionfor5seconds. To
enterContrastpushatlocation
shown
LandscapeView
SETUP
Purgingtime:%complete/ Timeleft
EnclosurePressure
0to10” w.c.range
P1
P3
P2
BarGraph
EnclosurePressure
P4
0:30
0%
inHO
2
X.XX
10
6.00
3.00
2
3
0.30
0.80
CONTRAST
Alarm/Encl
Encl
Valve L/L1/+
L/L1/+
N/L2/-
N/L2/-
N/L2/-
N/L2/-
ElectricalConnections
TerminalBlockConnections
TerminalBlock
Protective
Ground
SV1 Alarm/Encl
K2
Encl
K1
RelayoutputK2canbeprogrammedfor
severalfunctions. Thesefunctionsareas
follows:
SwitchwithK1
SwitchonaboveP1
SwitchonbelowP1
SwitchonaboveP2
SwitchonbelowP2
SwitchonaboveP3
SwitchonbelowP3
SwitchonaboveP4
SwitchonbelowP4
Switchonduringpurging
Switchonifbypassisactive
Anyalarm,-P2,+P4,Bypass,
K2
P1+
P1-
P2+
P2-
P3+
P3-
P4+
P4-
SZ+
Bypass
ALARMS
PROGRAM/K2
SHUT-OFF/DELAY
BYPASS/N Y E
UNITS/MI
CHANGE/PASSWORD
RESTOREDEFAULTS
DISPLAY ROTATION
CYCLEPOWER
Duringoperation,forprogram3.ifthe
pressuredropsbelowP1,thedelayof
shuttingdownK1canbeimplemented.
Thedelayisselectableandfrom0to
240seconds.
AllowsK1toenegergizewhenpressure
belowP1.Onlyactiveinprogrammode
Onlyvalidforprogram3.
Allowsformetric(M)orImperial(I)
values. Temperaturewillalways
beincelsius.
Enteratleast4digits. Toexitwithout
savingpasswordpressRESET. To
acceptpasswordpressSET.
Restoresfactorydefaultvalues.
Whenmountinghorizontal,use
Landscapemode.Whenmounting
vertical,usePortraitmode
Allowstheunittopowerdownthen
backupagain.Doesnotrequirea
physicaldisconnectofmains.
*Note: A Provisionshallbemadetogetintothesetupprocedures
withoutknowingthepassword. Thiscanbeaseriesofkeystrokes
thatwhencompleted,willgetthecustomerintothesettings. This
willnotbepublishedbutofferedincasetheyloseoriginalpassword
EX
Theuseofthedelay
timeristhesole
responsibilityofthe
user
Unexpectedleakagesfromtheenclosure
orlinepressuredropswilldecrease
thepressurewithintheenclosure.If
thepressuredropsbelowP2orP3for
Program4,thenthevalveSV1can
beactivateduntilP2(P3)+Hystis
reachedandwillshutoff.Compensating
forleakages.Setto0willdisablethis
function.
LEAKAGE/HYST
Troubleshooting
FaultPossibleReasonReaction
7500doesn’twork
7500switchesonwithoutpurge
Purgetimerdoesnotcount
down
Purgingdoesnotswitchto
compensation
Tomuchleakage
fromenclosure
SetpointofP2too
high
Enclosurepressure
aboveP4
Reducesetpointof
P2
IncreaseP4and/or
decreasesupplypressure
Sealenclosure
Digitalvalveshuts
offbeforepurging
complete
Digitalvalvedoesnot
close
Checkpowertovalve
Gassupplyisnotclean
Purgingprogramiswrong
Nopurgegas
Digitalvalvedoesnotopen
Notenoughflowfrom
digitalvalve
Notenoughflowto
regulator
Linepressuretolow
Linepressuretolow
Tubingtovalveistosmall
Tubingtovalveistosmall
Tomuchleakagefrom
enclosure
Checkvoltage
Checkforblockage
Checkforblockage
Checkgassupply
Verifycorrectpurgeprogram
Novoltage Checkpowercablesto7500
Return7500
7500defect
7500Programming
QuickGuide
MENUSTRUCTURE
PowerOn
SET
5sec.
SET
5sec.
PURGE
PROGRAM
SHUT-OFF
DELAY
UNITS
MI
ENCLOSUR
PRESSP1
ENCLOSUR
PRESSP2
CHANGE
PASSWORD
ENCLOSUR
PRESSP3
PASSWORD
DISPLAY
ROTATION
RESTORE
DEFAULT
CYCLE
POWER
ToexitPurge
Settings
ENCLOSUR
PRESSP4
LEAKAGE
HYST
ENCLOSUR
PRESS
PASSWORD
PROGRAM
K2
PURGE
TIME
BYPASS
CalculationofthePurging Time
EPV-7500-...-02VentFlowvs.EnclosurePressure
Tablesforallventsavailablein7500manual
TypicalMounting
ComponentUnit
7500-01-AA-...controlunit+EPV-7500-...vent
Externalmount
7500-MTD-BX....+EPV-7500-...vent
Example:
Vent:EPV-7500-___-02(Frommanualgraph)
P3setto:2.65”H2O(6.63mbar)
Enclosurevolume:10cu.ft.(283liters)Notamotor
Flowratefromventgraph:10scfm(283liters/min)
requirementforpurging
NEC:4volumeexchanges
IEC:5volumeexchanges
Results:
NEC:4x10cu.ft./10scfm=4.0min.
(4x283liters/283l/min=4.0min.)
IEC:5x10cu.ft./10scfm=5.0min.
(5x283liters/283l/min=5.0min.)
7500Programming
QuickGuide
Pressurereferencekitincludedtomeasure
ambientpressureoutsidetheenclosurerequired
forthedifferentialpressuresensor.Connectto
the7500portmarked ‘ - ’
Pressurereferencekitincludedtomeasure
enclosurepressurerequiredforthedifferential
pressuresensor.Connecttothe7500portmarked ‘ + ’
l/minmbar
1415.36
1985.85
2836.60
3397.10
4247.84
4818.34
5669.09
70710.58
84911.82
99113.07
CFMInchesofwater
52.15
72.35
102.65
122.85
153.15
173.35
203.65
254.25
304.75
355.25
TDOCT-B227_ENG 01/19
Subject to modifications
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