Greenheck HVLS Series Installation, Operation And Maintenance Manual page 6

Light Operation Mode (Optional)
The keypad control's buttons will have the following
functions:
Power Button
• Press and hold the power button for 2 seconds to
power off the fan(s).
NOTE: The optional LED light accessory is powered by
a 115V circuit on the building's light grid. Keypad control
cannot be used to turn the light on or off.
Rotation Direction Button
• Press the rotation direction button to toggle the
rotation of the fan between forward and reverse
operation. The current direction of rotation will be
displayed on the user display in the bottom left
corner of the screen. "" denotes forward rotation,
while "" denotes reverse rotation.
• Press and hold the rotation direction button for
4 seconds to open the user menu screen. Refer to
User Menu Navigation.
Fan/Light Mode Button
• Press the fan/light mode button to toggle between
fan operation mode and light operation mode
(refer back to Fan Operation Mode). The current
operation mode will be displayed on the user
display in the top left corner of the screen. "FAN"
denotes fan operation mode, while "LIGHT"
denotes light operation mode. A flashing "?"
icon after the current operation mode on the
user display indicates a fan status warning or
the occurrence of a fault. Refer to User Menu
Navigation and table of fault codes.
Up/Increase Button
• Press the up/increase button to increase the
brightness of the optional light accessory by whole
number values up to a maximum of 10 (maximum
brightness). The current brightness setting will be
displayed on the user display in the bottom right
corner of the screen. The keypad control will retain
the light(s) last brightness setting and resume
operation at this setting when light(s) are powered
off and on again.
Down/Decrease Button
• Press the down/decrease button to decrease the
brightness of the optional light accessory by whole
number values down to a minimum of 0 (light off).
The current brightness setting will be displayed on
the user display in the bottom right corner of the
screen. The keypad control will retain the light(s)
last brightness setting and resume operation at this
setting when light(s) are powered off and on again.
6 High Volume, Low Speed Keypad Control
User Menu Navigation
To change universal settings or view fan diagnostic
information such as fault codes and current operating
status, the user menu screen can be accessed by
pressing and holding the rotation direction button
for 4 seconds. On the user menu screen, the keypad
control buttons will have the following functions:
Power Button
• Press the power button to select the menu function
that is currently displayed on the user display.
Rotation Direction Button
• The rotation direction button is only active for the
"DIM Ctrl", "Monitor", "BladeNum" and "BladeLen"
menu functions. Press the rotation direction button
to scroll through the available parameters or
diagnostic information for the menu function that is
currently displayed on the user display.
Fan/Light Mode Button
• Press the fan/light mode button to exit the user
menu and return the user to the fan operation
mode screen.
Up/Increase Button
• Press the up/increase button to scroll up through
the available menu functions on the user menu
screen.
Down/Decrease Button
• Press the down/decrease button to scroll down
through the available menu functions on the user
menu screen.
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