Greenheck Vari-Flow Air Management System(476251) - Manual (Page 13)

13 Vari-Flow Air Management System
Keypad Navigation
Escape Allows the user to exit the current menu, jumping to the Main Menu.
Up | Down
The arrow buttons allow the user to scroll through different screens and adjust
parameters.
!
Ì
Alarm
Button will blink red, indicating an alarm condition. Press to review current alarms. To
review previous alarms, access the DATA LOGGER through the main menu.
Enter
A. In screens with adjustable parameters, pressing the Enter button moves the cursor
from the upper left corner of the screen to the parameter. The arrow buttons can then
be used to adjust the parameter.
B. To move to the next parameter on the same screen, press the Enter button.
C. To save the change, press the Enter button until the cursor moves back to the upper
left corner of the screen.
Program Pressing the Program button allows the user to enter the Main Program Menu.
Example of Parameter Adjustment
Once the cursor has reached the desired parameter, press the buttons to
adjust the value.
Exhaust Fan 1 Setup
Temp Speed
Low: 90.0°F 50.0%
High: 115.0°F 100.0%
The cursor always begins in the upper left corner of the display and will be
blinking. Press the
button to move the cursor down for parameter adjustment.
Exhaust Fan 1 Setup
Temp Speed
Low: 90.0°F 50.0%
High: 115.0°F 100.0%
When satisfied with the adjustment, press the button to save the parameter.
When finished, make certain the cursor is in the upper left corner. If the
cursor is not in the upper left corner, the changes will not be saved. The
cursor must be in the upper left corner to enable screen advancement.
Exhaust Fan 1 Setup
Temp Speed
Low: 90.0°F 50.0%
High: 115.0°F 100.0%
When the user interface is a keypad, the user will need
to press the
button to enter the main menu.
When the user interface is a touch screen, the user
will see the main menu without having to press the
button.
Within the programmable logic controller, factory set
points can be modified to configure the system for
specific functions if necessary. All parameters are
shown in this section.
Some of the menus require the user to enter a password
in order to enter the menu. The service password is
1000 and is entered by pressing the and
buttons.
The DDC controller is located in the unit control panel.
The face of the controller has six buttons, allowing the
user to view unit conditions and alter parameters. The
DDC controller is pre-programmed with easy to use
menus.
To change the display contrast, hold the Enter and
Escape button while pressing the up and down arrows.
A keypad also connects via the J10 port. A RJ25 cable
is needed.
A complete listing of all settings within the Controller
U1 are provided in this Installation, Operation and
Maintenance Manual.
Controller Setup and Tutorial
®