17MHGRVX-B2 Module Technical Guide
LCD SCREENS
Setpoint and Force Valves Screens
Setpoint Screens
Refer to the following map when navigating through the Setpoint Screens.
From the SETPOINT Screen, press <ENTER> to scroll through the screens
and change setpoints. Use the <UP> and <DOWN> arrow keys to change
your selections. Then press <ENTER> to save the new setpoint.
WARNING: When the MHGRVX-B2 is operating in
Communications Mode (connected to the
AAON unit controller), these Setpoint
Screens will not appear on the LCD display
because they are controlled by the AAON
unit controller. To access these setpoints,
temporarily disconnect the MHGRVX-B2
from the AAON unit controller.
Minimum Default Maximum
40°F
5°C
70°F
21°C
150°F
65°C
SETPOINT
SAT SP
40-150ºF
REHEAT SUPPLY AIR TEMPERATURE SETPOINT
This is the target temperature while reheat is enabled. If you are using
the reset signal, this is the setpoint it will calculate to at zero volts. Will
display only in Stand-Alone Mode. The SAT Setpoint is set by the LCD
display in Stand-Alone Mode and is set by the AAON unit controller in
Communications Mode.
RESET SP
40-150°F
RESET REHEAT SUPPLY AIR SETPOINT
This is maximum temperature at which the Supply Air Temperature
will reset to. Will display only in Stand-Alone Mode.
The Reset SAT Setpoint is set by the LCD Display in Stand-Alone Mode
and is set by the AAON unit controller in communicating mode.
Force Valves Screens
Refer to the following map when navigating through the Force
Screens. From the FORCE VALVES screen, press <ENTER>. At
the FORCE MODE screen, press the <UP> arrow key to turn the
FORCE MODE on and press the <DOWN> arrow key to turn the
FORCE MODE o.
NOTE: When you turn the Force Mode o or after one hour
has elapsed, the valves will reinitialize to zero.
Minimum Default Maximum
40°F
5°C
70°F
21°C
150°F
65°C
FORCE
MENU
FORCE
MODE ON/OFF
Press the <UP> button to turn the Force Mode on. Press the <DOWN>
button to turn the Force Mode o.
FRC VALV
X%
FORCE VALVE PERCENTAGE
This screen only appears when Force Mode is on.
Press the <UP> button to increase the percentage. Press the <DOWN>
button to decrease the percentage.
FRC EXP
X%
FORCE EXPANSION VALVE PERCENTAGE
This screen only appears when Force Mode is on and Expansion
Valves are Enabled.
Press the <UP> button to increase the percentage. Press the
<DOWN> button to decrease the percentage.
FORCE
TIMEOUT
FORCE MODE TIME OUT
This screen will appear when the Force Mode times out after one hour.
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