Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 April 2014 (RVE, ERCH-01, ERT-01) - Manual (Page 8)

The microprocessor controller is located in the unit
control panel. The face of the controller has six keys,
allowing the user to view unit conditions and alter
parameters. The microprocessor 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 remote mounted display is also available, which
connects via the J10 port. A six wire patch cable is
needed.
Keypad Description
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.
Down Arrow
The arrow keys allow the user to scroll through different screens and adjust parameters.
Up Arrow
Enter
A. In screens with adjustable parameters, pressing the Enter key moves the cursor from
the upper left corner of the screen to the parameter. The arrow keys 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.
Esc Escape Allows the user to exit the current menu, jumping to the Main Menu.
Prg Program
Pressing the Prg (Program) button allows the user to enter the Main Program Menu. Refer to
pages 10 and 11 for Main Program Menu description.
Display Use
Example of Parameter Adjustment
The cursor always begins in the upper left corner of the display and will be
blinking. Press the key to move the cursor down for parameter adjustment.
Once the cursor has reached the desired parameter, press the keys to
adjust the value.
When satisfied with the adjustment, press the key 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.
Supply air low limit
Alarm when supply is
below:
35.0º F
Alarm delay: 300s
Supply air low limit
Alarm when supply is
below:
32.0º F
Alarm delay: 300s
Supply air low limit
Alarm when supply is
below:
32.0º F
Alarm delay: 300s
8 DDC Controller for Tempered Air Products
®