33
Phone:(910) 392
‐
2490
Fax: (910) 392
‐
2123
416 Landmark Drive
Wilmington, NC 28412
www.easterninstruments.com
3.
Press the Zero Bu on to perform the Zero.
Please note that
wai ng more than 15 seconds to press the Zero Bu on will
make the Zero func on automa cally me out and you will
be automa cally moved back to step 1. Once the bu on has
been pushed, the display should look like screen #3.
4.
Press Zero Bu on to Con
fi
rm/Program Bu on to Disregard.
The Program Bu on will disregard the changes and will re
‐
vert your Zero to the previous value. The Zero Bu on will
con
fi
rm your new Zero change.
5.
Power o
ff
the QVT.
6.
Remove the LCD Board.
A detailed descrip on of this proce
‐
dure can be found in the Electrical Installa on sec on of this
manual.
7. Looking at the RTD Connector,
remove the Temperature
Simulator from the Male Header
.
8. Replace
the
Female Connector of the RTD (live process) into
the RTD Connector’s Male Header.
9.
Replace the LCD Board and QVT Cover.
10.
Return power to the QVT.
The zero will not be changed in regards to the QVT’s output
un l the Zero Procedure has been completed.
Please Note: The Temperature can not be zeroed if the temper
‐
ature is outside of the designated Zero range (+/
‐
5.5 degrees C
and 10 degrees F). If the temperature is outside this range and
the Zero Procedure is a empted, the Procedure will Fail and
this failure to zero the temperature will be signi
fi
ed by
fl
ashing
between the Failure Screen (Screen #4) and the Greater than
10 degrees Screen (Screen #5). The original zero value will be
retained.
#1
#2
#3
#4
#5
