Nordic ATWC Series, Installation And Service Manual, Page: 43 / 106

PRELIMINARY: 24-Sep-2021 Page 43 002536MAN-00
Graphs Menu:
This menu is a list of the available graphs. Graphs are real-time and show a time stamp of when the recording started as well as a
current time which will show up if the graph is screen captured. Each graph has a CLEAR button which will erase the stored data and
restart the graph. There is also a master CLEAR ALL GRAPHS button at the top right of the PC APP; this will clear all open graphs
and re-start them all simultaneously to keep them in sync with each other. The refresh rate for the graphs is also located at the top
right of the PC APP.
ON/OFF status of the system control signals (demands)
ON/OFF status of heating and cooling modes
EEV position and resulting superheat
Suction temperature
Suction and discharge pressures
Evaporating and condensing temperatures
Suction (heating) or discharge (cooling/defrost) pressure vs. outdoor fan speed
Suction (heating) or discharge (cooling/defrost) pressure vs. outdoor temperature
Indoor IN/OUT temperatures and delta T
Discharge pressure vs tank temperature
Hot and cold tank temperatures, for systems using HTS/CTS method with 2 tanks
All analog input channels (0-10VDC or 4-20mA).
All PWM / 0-10VDC output channels and one PWM / 0-10VDC input channel.
For troubleshooting synchronization with 3rd party BACnet controllers.
Graph Name
CLEAR button
erases all graph
data
Check boxes
to select
which items
are graphed
Current
values
Graph start
time
X axis = Number of samples.
Elapsed time =
Number of Samples x Refresh Rate.
e.g. 20 samples x 1 second refresh =
elapsed time of 20 seconds.
Graph printed
time
Refresh Rate
Primary Y axis
on the left,
secondary Y axis
on the right.
An example of a typical graph
screen. Items that are checked
will be plotted, unchecked items will
not. The graph screens show the
time the graph started as well as the
current time to time stamp the graph
when screen printed.
TIP: To screen print a graph
and save it as a picture, hold
down the Windows key and
press Print Screen on the key-
board. The image on the screen
will be saved to the folder
C:\Users\Username\Pictures\Scr
eenshots.
NEEDS
UPDATE