Enerpac ZU4T-Series - Manuel (Page 14)

14
T
a
ble 2 , Z-Class Pr
essur
e T
ransducer Calibration, Firmwar
e 7.x
T
o
rque W
rench Pumps Equipped with Single Solenoid V
alve
Comments Boot sequence. psi is the current unit of pressure measurement. Step into the hidden calibra
tion mode.
Start of calibra
tion process.
The advance-solenoid will be po
wered up to access the pressure transducer
through valve-port
A.
Calibra
te the zero-offset,
point
“A
”.
Confi
rm the pressure da
ta should be stored to memor
y.
Calibra
ting gain is done with two points,
starting with point
“B”.
First obtain the pressure value on the master gauge (ie 5000 psi).
Then use the arro
w buttons to ma
tch the
LCD value to the master gauge. Confi
rm the pressure da
ta should be stored to memor
y.
Calibra
ting gain is done with two points,
fi
nishing with point
“C”.
First obtain the pressure value on the master gauge (ie 8000 psi).
Then use the arro
w buttons to ma
tch the
LCD value to the master gauge. Confi
rm the pressure da
ta should be stored to memor
y.
Re-confi
rm calibra
tion da
ta.
Lea
ve
“off
” to proceed with new calibra
tion da
ta.
Only set to
“on”
to change
calibra
tion da
ta back to factor
y default settings.
Press
Arro
w button to change.
Sa
ve calibra
tion da
ta to permanent memor
y.
Calibra
tion complete.
Motor stops and electric valve releases pressure.
LCD
Reading
0 psi psi CODE O psi [O bar] O psi [O bar] no yes 5000 psi [345 bar] 5000 psi [345 bar] no yes 8000 psi [548 bar] 8000 psi [548 bar] no yes off O psi [O bar] O psi [O bar]
FIRMW
ARE 7.x,
then “READ
Y”
UNITS ENTR
Y
CAL PT
A
CAL PT
A
SA
VE A
SA
VE A
CAL PT B CAL PT B SA
VE B
SA
VE B
CAL PT C CAL PT C SA
VE C
SA
VE C
USE DFL
T
CAL PT
A
READ
Y
Operator
action
Connect a master gauge to port
A (Advance port)
Connect electrical po
wer to pump.
At main screen,
press the Menu button once to display
“UNITS”
screen.
Press and hold the ON/OFF button for seven seconds. Press and hold the
Arro
w-up and
Arro
w-do
wn buttons together for seven seconds.
Open the pump’
s user
-adjustable relief valve and verify both pump LCD and master
gauge read zero. Press the Menu button to accept the pressure value into temporar
y memor
y.
Press one
Arro
w button to change from
“no”
to
“yes”.
Press the Menu button once. Press and release the shroud’
s ON/OFF motor
-button to s
witch the pump motor on.
Reading the master gauge,
a
p
ply a pressure of 5000 psi by c
losing the pump’
s user
-
adjustable relief valve. Press the Menu button to accept the pressure value into temporar
y memor
y.
Press one
Arro
w button to change from
“no”
to
“yes”.
Press the Menu button once. Reading the master gauge,
a
pply a pressure of 8000 psi.
Press the Menu button to accept the pressure value into temporar
y memor
y.
Press one
Arro
w button to change from
“no”
to
“yes”.
Press the Menu button once. Press the Menu button once. Press and hold the Menu button for three seconds to step out of the calibra
tion mode.
No.
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