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Navigation Using the Basic (Remote) Display
Basic (Remote) Display User Interface
Most Guardian+ controllers ship with the Basic Display. The display
allows service technicians to change the major setpoints. Setpoints
can also be accessed using the Guardian+ Combo Display or the
controller's web pages.
Controller Setup
Upon initially applying power to the controller, the controller
will initialize, then automatically enter Introduction Mode. The
Introduction Mode consists of four Types of Control options:
Ed - Electric Defrost with Mechanical TEV
EdE - Electric Defrost with Electric Expansion Valve
Ad - Air Defrost with Mechanical TEV
AdE - Air Defrost with Electric Expansion Valve
Step 1 -
Using the
and
available Types of Control options. Once the preferred option is
displayed press and hold the
Note: For mechanical valve control, Ed and Ad options, con-
tinue to Step 4. For Ede and AdE control options continue to
Steps 2, 3, &4.
Step 2 -
Next, the controller prompts for the Expansion Valve
Type, and displays rS (RSV). If this is the correct selection, press
and hold the
button for 3 seconds.
ENTER
If not, use the
or
arrow to move to the correct valve.
With correct electric valve displayed, press and hold
three seconds.
Note: Custom valve setup is not available from the Basic
Display.
Step 3 -
The controller now prompts for Refrigerant Type and
displays 404 (R-404a) as the default. Change this value by pres s-
ing the
or
arrow. Once you have the correct value, press and
hold
for three seconds.
ENTER
Step 4 -
The fourth prompt is whether SMART ACCESS is EN-
ABLED or DISABLED. SMART ACCESS allows you to easily view
your controller online. Make your selection by using the
arrow, and then press and hold
ARE THE ONLY SETPOINTS REQUIRED TO BEGIN CONTROL-
LING THE SYSTEM.
Additional Setpoints
For the majority of users, the Basic Display will provide the neces-
sary parameters to setup the controller.
From the default display, pressing the
through the Variables menu. The
tween the variable name and value.
R
arrows, moves the user through the
button for 3 seconds.
ENTER
ENTER
for three seconds. THESE
ENTER
and
arrows will cycle
button will toggle be-
ENTER
Changing Setpoints
Pressing and holding the
points menu. Press
value.
Pressing and holding the
Setpoints menu. Press
and value.
When the parameter value is displayed it may be changed by using
and
arrows, and
increase or decrease numerical values, and will scroll through the
available options, on the non-numerical setpoints.
Press and hold the
played value.
To abort changes, press
ation.
Manual Valve Control
Press and hold the
Manual Control mode.
ing.
will advance to the next digit, and
ENTER
mode.
Manual Defrost
Press and hold
ENTER
for
mode).
Diagnostics Mode
The Guardian+ has been programmed with a diagnostics mode.
When activated, the controller energizes each relay for 60 seconds.
When the compressor relay is on the EEV will regulate to the
Superheat setpoint.
Display Firmware
Pressing and holding all 4 buttons (
show the display's firmware revision (dir – Display Revision)
Display Options
or
Simultaneously pressing and holding the
the address of the display (reserved for future versions).
Web Login
The User Name and Password are required when accessing the
controller using the web page.
The defaults are: User Name: ke2admin Password: ke2admin
IMPORTANT: For security purposes, the User Name and Pass-
word should be changed from the default.
button will enter the Basic Set-
ENTER
button to toggle between set point and
ENTER
button will enter the Advanced
BACK
button to toggle between setpoint
ENTER
buttons. The
and
ENTER
button for 3 seconds to save the dis-
ENTER
to return to the parameter abbrevi-
BACK
button &
arrow to put the EEV in
BACK
and
arrows will control the valve open-
BACK
and
to put the controller into Defrost (next
BACK
and
arrows will
will exit this
and
) will
ENTER
arrows will show
7
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