APC ACECFR20200SE4 Installation Manual download pdf (Page 30)

EcoBreeze System Operation and Maintenance24

Water Controls. (Requires device password)

• Lead Pump: A or B

• Pri Water Src: A or B

• Drain Basin: Basin Draining - When this menu item is selected, if the Frame is off

(Operate = Off), the basin will be drained.

Use the

UP or DOWN keys to move the highlight box to your selection and press ENTER to select

it. The box will start to flash. Use the

UP or DOWN arrows to change the setting. Press ENTER to

save the setting. If you select Drain Basin, when

ENTER is pressed, the confirmation screen

opens.

Enter Yes to confirm

ESC to exit

Yes/No

No will be in the highlighted box on the screen. Press

ENTER to cause the box to flash. Then

press the

UP arrow to change the No to Yes. Press ENTER to save your change. Press ESC to

return to the option selection screen.

Air Setup. (Requires admin password):

• IT Fan Mode:

– AUTO: Air flow is automatically controlled by the unit via a user tuned PID. This

requires that a user supplied differential pressure sensor be connected to the remote

interface panel and configured via the DP Sensor Sel, DP Sensor Min and DP Sensor

Max properties or AFC is attached to the EcoBreeze.

– Manual: The air flow is fixed to the value of the Fan Speed property (see “Air

Controls” on page 23).

– Elevation: -46 - 914 m x 10 (-150 - 3000 ft x 10): Elevation above sea level. This is

important for the EcoBreeze controller to be able to accurately estimate coil

performance.

• Damper Present: No/Yes - When set to Yes, the controller will automatically control a

user supplied air isolation damper.

• Containment Gain: 0 - 100% /Pa - When the IT Fan Mode is set to Auto, this property is

the proportional multiplier (gain) for the actuator. The proportional multiplier adjusts for

the difference (error) between the measured value and the setpoint.

• Containment Reset: 0 - 999/sec - When the IT Fan Mode is set to Auto, this property is

the integral multiplier (reset rate) for this actuator. The integral multiplier adjusts for error

measurement and the amount of time that the error has existed. The integral multiplier

adds to or subtracts from the output in small increments to correct for the offset error

caused by the proportional contribution (0 - 999 sec). Note that setting the Reset to 0

secs will disable reset, effectively making the controller a gain only controller. This mode

can be useful for PID tuning.

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APC ACECFR20200SE4 Installation Manual Page 30

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