Here, REFT stands for reference temperature.
l
Enter the reference temperature (the temperature that EC350 must read) by using the keypad and
then press OK.
The percentage difference between the temperature that EC350 reads and the reference
temperature appears on the display. For example, the following appears.
0.04
% ERROR LIVE TEMP
l
Press OK, the control returns back to the following:
CALIB P/T
CALIB TEMP
6.2.8.2 Calibrating pressure
To calibrate pressure:
l
Unlock the keypad and type the PASSCODE to enter level 3 mode. Refer to the section "Accessing
level 3 mode ” for accessing level 3 mode.
l
By default, the following appears on the display.
MAIN MENU
ALARMS
l
Using the UP arrow and DOWN arrow scroll through the options in level 3 mode until CALIB P/T
appears.
l
Press OK. The following appears on the display.
CALIB P/T
CALIB PRES
l
Press OK, the pressure read by EC350 appears on the display.
51.00
PSI
LIVE PRESS
The pressure value that appears in this step is the value that EC350 reads.
l
Press OK. The following appears on the display.
50.00
PSI
6 User Access
6.2 Working with HMI
Honeywell 2024
164
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