MILWAUKEE CITY HALL MUNICIPAL BUILDING AHU10 DX9100 FRONT PANEL

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DX-Front Panel Guide

Milwaukee City Hall Municipal Building AHU-10


DX-9100 Front Panel Operation Guide


Analog Input Section

To Display Analog Inputs:

1. Press the [X] key to display analog input 1.

X1 Discharge Air Temp Deg F

2. Subsequent selections of the [X] key will display the following analog inputs.

X2 Return Air Temp Deg F

X3 RA Relative Humidity

X4 Mixed Air Temperature Deg F

X5 Supply Air SP Hi Lim

X6 Supply Air Vel Pres.

X7 SA Humidity HL

X8 Return Air Vel Pres.

3. Press the [XT] key to display the XT’s Analog Input

XT11 Supply Air SP 10th flr

4. Subsequent presses of the [X] key will display the remaining XT’s analog inputs.


To Display Analog Input Alarm Limits:

  1. Press the [X] key to display the desired analog input (see "To Display Analog Inputs").

  2. Press the [A] key to display the analog input low alarm limit.

  3. Press the [A] key again to display the analog input high alarm limit.

  4. Press the [A] key again to return to the analog input value.

To Modify Analog Input Alarm Limits:

  1. Display the desired item to be modified as described above.

  2. Insert the override/adjust key.

  3. Press the [E] key to enter the edit mode, [K] LED will beging to blink.

  4. Use the [] or [] keys to increase or decrease the value.

  5. Press the [E] key to confirm and activate the new value, or press the [esc] key to escape from the edit mode and restore the original value. Remove the key.


Digital Input Section

To Display Digital Inputs:

1. Press the [D] key to display digital input 1.

D1 Low Temp Alarm

2. Subsequent selections of the [D] key will display the following digital inputs:

D2 Filter Status

D3 Supply Fan Status

D4 Return Fan Status

D5 Return Air Smk Detector

D6 Supply Air Smk Detector

D7 DI7

D8 High Static Alarm

3. Press the [XT] key to display the 1st XT’s Digital

D11 Not Used

4. Subsequent selections of the [D] key will display the following digital inputs:


Analog & Digital Output Section

To Display Analog & Digital Outputs:

1. Press the [Y] key to display analog output 1.

  1. {ANALOG} Mixed Air Dampers Control (% Command)

2. Subsequent selections of the [Y] key will display the following:

Y2 {ANALOG} Cooling Coil Valve Control (% Command)

Y3 {DIGITAL} Supply Fan Start/Stop Command Enable (On = Enabled)

Y4 {DIGITAL} 2pos dampr Command Enable (On = Enabled)

Y5 {DIGITAL} Not Used Command Enable (On = Enabled)

Y6 {DIGITAL} Not Used Command Enable (On = Enabled)

Y7 {DIGITAL} Not Used Command Enable (On = Enabled)

Y8 {DIGITAL} Not Used Command Enable (On = Enabled)

Y9 {ANALOG} RETURN FAN VFD Control (% Command)

Y10 {ANALOG} Sup Fan Var SPD Drive Control (% Command)

Y11 {ANALOG} HUMIDIFIER VALVE Control (% Command)

Y12 {ANALOG} Heating Coil Valve Control (% Command)

Y13 {ANALOG} AO13 Control (% Command)

Y14 {ANALOG} AO14 Control (% Command)

3. Press the [XT] key and then the [Y] key to display the next set of XT’s outputs:

Y17 {ANALOG] Not Used

4. Subsequent selections of the [Y] key will display the following:

Y17 {ANALOG} XT1AO7 Control (% Command)

Y18 {ANALOG} XT1AO8 Control (% Command)


To Override Analog or Digital Outputs:

  1. Display the desired item to be overridden, as described in the previous instructions.

  2. Insert the Override/Adjust Key (AS-LCP-0 Key)

  3. Press the [A/M] key to enter the manual mode, [A/M] LED will blink.

  4. Use the [](Up Arrow Button) to turn item on, or the [] Down Arrow Button to turn item Off. Control is now in manual mode.

To Release Outputs:

  1. Display the desired item to be overridden, as described in the previous instructions.

  2. Insert the Override/Adjust Key (AS-LCP-0 Key)

  3. Press the [A/M] key to enter automatic mode, [A/M] LED will be steady, and control has been resumed to automatic.

NOTE: A flashing [A/M] LED indicates that an analog or digital output is in manual mode. A steady [A/M] LED when on a particular Analog or Digital Output indicates that the selected point is in manual mode.



Control Module Section

To Display Control Module Setpoints:

1. Press the [Z] key to display the setpoints for control module 1.

Z1 DAT-PID1 TYPE, SetPoint Value or No Setpoint Value

2. Subsequent selections of the [Z] key will display the following:

Z3 HUM-PID3

Z2 MALL2

Z4 SP-PID4

Z5 RF-PID5

Z6 RAMPS6


To Display Control Module Parameters:

1. Display the desired control module (see "To Display Control Module Setpoints").

2. Press the [A] key to display the process variable.

3. Subsequent selections of the [A] key will display the control module output, proportional band, reset action, rate action, standby bias, off bias and back to the control module setpoint.


Analog & Digital Constant Section

To Display Analog & Digital Constants:

1. Press the [K] key to display analog constant 1.

K1 {ANALOG} ZNT-DIFF

2. Subsequent selections of the [K] key will display analog constants 2-8 and digital constants 1-32.

K2 {ANALOG} OA-T

K3 {ANALOG} WrmUp-SP

K4 {ANALOG} Econ-sp

K5 {ANALOG} MinPos

K6 {ANALOG} MALL-SP

K7 {ANALOG} StaticSP

K8 {ANALOG} RFVol-SP


Digital Constants:

K1 {DIGITAL} ON-OFF Command (On = Enabled)

K2 {DIGITAL} ClgAvail Command (On = Enabled)


To Modify Analog or Digital Constant Setpoints or Command:

  1. Display the desired item to be modified as described above.

  2. Insert the override/adjust key.

  3. Press the [E] key to enter the edit mode, [K] LED will begin to blink.

  4. Use the [] or [] keys to increase or decrease the value.

  5. Press the [E] key to confirm and activate the new value, or press the [esc] key to escape from the edit mode and restore the original value.

  6. Remove the key.


Note: values cannot be changed if an adjust or override command from the METASYS Network is currently active.




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