Lcd display screens, Setpoint & force screens, Mhgrv-x field technical guide 12 – Orion System MHGRV-X User Manual

Page 12: Setpoint screens, Force screens

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LCD DISPLAY SCREENS

MHGRV-X Field Technical Guide

12

Setpoint & Force Screens

Setpoint Screens

Refer to the following map when navigating through the Set-
point Screens. From the SETPOINTS 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 MHGRV-X is operating in Comm-
nications Mode (connected to the Main Controller), these
setpoints screens will not appear on the LCD display because
they are controlled by the Main Controller. So, to get to these
Setpoints, you have to temporarily disconnect the MHGRV-X
from the Main Controller.

SETPOINTS

SAT SP

40-150°F

5-65°C

RESET SP

40-150°F

5-65°C

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 Main Controller in com-
municating mode.

Force Screens

Refer to the following map when navigating through the Force
Screens. From the FORCE Screen, press

<ENTER>

. At the FORCE

MODE ON/OFF screen, press the

<UP>

arrow key to turn the

FORCE MODE on and press the

<DOWN>

arrow key to turn the

FORCE MODE off. Use the

<UP>

and

<DOWN>

arrow keys to

increase and decrease the percentage.

FORCE

FORCE

MODE ON/OFF

FRC VALV

X%

FORCE VALVE PERCENTAGE

This screen only appears when Force Mode is on.

This screen will appear when the Force Mode times out after 1 hour.

FORCE

TIMEOUT

Press the

<UP> button to turn the Force Mode on. Press the <DOWN>

button to turn the Force Mode off.

Press the

<UP> button to increase the percentage. Press the <DOWN>

button to decrease the percentage.

NOTE: When you turn the Force Mode back off or after 1 hour has
elapsed, the valve will reinitialize to zero.

Minimum

Default

Maximum

40°F

5°C

70°F

21°C

150°F

65°C

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 Main Controller in communicating mode.

Minimum

Default

Maximum

40°F

5°C

70°F

21°C

150°F

65°C

FORCE MODE TIME OUT

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.

NOTE: When you turn the Force Mode back off or after 1 hour has
elapsed, the valve will reinitialize to zero.

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