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TEMPERATURE CONTROL
The controller is equipped with several menus to help guide users with altering program parameters. The following
menus can be accessed by pressing the button. To enter the desired menu, press the button.
Unit Enable
Control Variables
The Unit Enable menu allows the user to enable and disable the unit through the
controller. Reference sequence of operation for additional unit starts/stop details
UNIT ENABLE
The unit ships from the factory in a disabled state. To allow the unit to operate
Change to (Enabled/Disabled): Enables user to manually turn unit on/off via
display. Unit terminal G must have 24 VAC power to enable the unit.
Note:
To allow unit to operate change to (Enabled/Disabled) with digital input signal, use
DI2 port on the Main controller(refer the "Controller section" on Installation Manual)
The Control Variables menu allows the user to view and adjust unit control
parameters.
The Temperature Control menu allows the user to view and adjust temperature
control conditions of the unit.
METHOD FOR TEMPERATURE CONTROL
Set Point Selections:
Supply Temp Control – The supply discharge set point is a constant value
(e.g.72°F). Reference Temperature Set point screen for set point adjustment.
Space Reset – The controller will reset the supply air temperature set point to
maintain the space temperature set point (requires space temp sensor). Reference
the Temperature Set point screen for space set point adjustment.
TEMPERATURE SET POINT
This screen allow to set target temperature set point base on the temperature control
mode
- Supply temperature control: Target Supply Temperature
- Space reset: Target Space Temperature
Set Point Selections:
Local - The space set point will be constant; set from screen (e.g. 72°F).
BMS - The BMS can directly control the target set point (requires
BMS communication option).
HEAT COOL DEADBAND
The heat cool deadband allows for separate cooling and heating entering conditions.
-. Cooling: Setpoint > Setpoint + Dead Band x 1/2
-. Heating: Setpoint < Setpoint – Dead band x 1/2
STARTUP DELAY
This screen displays the delay time after the fans have started and tempering begins
Note:
Tempering is based on determining the operation mode. So compressor does not
operating directly after "startup delay"
COOLING LOCKOUT
This screen displays the cooling lockout temperature. Cooling will be disabled when
outside air is below the cooling lockout temperature (55°F).
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