Trenton ESP+ Operating Instructions Manual Download Page 2

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User Interface

This display uses a familiar menu structure to allow service technicians to
change the major setpoints. The setpoints may also be accessed using the
controller’s webpages.

Variables Menu

The

and

arrows move the user through the available options for the Vari-

ables Menu. If alarms are present, they will be displayed and can be viewed using
the up and down arrows.

Basic Menu

Pressing and holding the

ENTER

button enters the

Basic Setpoints

menu. See

page 3 for details.

Advanced Menu

Pressing and holding the

BACK

button enters the

Advanced Setpoints

menu. See

page 3 for details

The

ENTER

button is used to save an input option when it has been changed.

The

ENTER

button must be held for 3 seconds, to prevent accidental changes.

Changes may be discarded by waiting, to allow the controller to time-out and
return to default screen, or by pressing the

BACK

button.

The

BACK

button is

used to return to the previous screen. Pressing the

BACK

button several times

will return the controller to the default view.

Additional Setpoints

For the majority of users, the Basic Display will provide the necessary parameters
to setup the controller.
From the default display, pressing the

and

arrows will cycle through the

Variables

menu. The

ENTER

button will toggle between the variable name and

value.

Changing Setpoints

Pressing and holding the

ENTER

button will enter the

Basic Setpoints

menu. Press

ENTER

button to toggle between setpoint and value.

Pressing and holding the

BACK

button will enter the

Advanced Setpoints

menu.

Press

ENTER

button to toggle between setpoint and value.

When the parameter value is displayed it may be changed by using

and

arrows, and

ENTER

buttons. The

and

arrows will increase or decrease nu-

merical values, and will scroll through the available options, on the non-numerical

setpoints.
Press and hold the

ENTER

button for 3 seconds to save the displayed value.

To abort changes, press the

BACK

button to return to the default view

Manual Valve Control

Press and hold the

BACK

button &

arrow to put the EEV in

Manual Control

mode.

and

arrows will control the valve opening.

ENTER

will advance to

the next digit, and

BACK

will exit this mode.

Manual Defrost

Press and hold

ENTER

and

to put the controller into

Defrost

. The defrost will

terminate automatically based on coil temperature, however, pressing and holding

ENTER

and

again during defrost will skip to drain (drip) mode.

Note: Fans may run for the first few minutes of electric defrost before fans

turn off and heaters are energized

System Off (Pumpdown)

Press and hold

BACK

and

at the same until SoF is displayed. The controller

is in system off and will not refrigerate or defrost until system off is cleared or

one hour has passed. Press and hold

BACK

and

again to exit system off.

Display Lock

Press and hold

BACK

and

ENTER

at the same until

LoC

is displayed. The display

will be locked and show

LoC

whenever a button is pressed. To unlock, press and

hold

BACK

and

ENTER

until

LoC

dissapears.

Access Setpoint mode by pressing and holding the button until tS (temperature setpoint) displays on the screen

ENTER

Use the up and down arrows to scroll through the available setpoints.

ENTER

Press to view the current setting.

Indicator lights

Red light - critical Alarm (system not running)
Yellow light - non-critical alarm (system running)
Green light - compressor on
Green flashing - compressor waiting on timer to start/stop

Use the up and down arrows to change the setpoint.

ENTER

Press to move between the digits to accelerate the changes.

ENTER

Press and hold to confirm each setpoint change.

BACK

Press to escape.

Navigation Using the Basic Display

BASIC DISPLAY / USER INTERFACE

IMPORTANT NOTE:

Your

Intuitive Evaporator Control is pre-programmed (with the exception of bonding multiple controllers paired with