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AAON Airflow Скачать руководство пользователя страница 16

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5.2.1.1. Alarm Status

The Alarm Status allows the user to independently turn each alarm ON or OFF.

Field Setup

Menu



Output Filter

Alarm Status



Low Alarm

Alarm Options



Alarm Value

(On)

Factory Defaults

Alarm Delay

High Alarm

Output Filter

(On)

5.2.1.2. Alarm Values

The Alarm Value Menu allows the user to enter the Low or the High flow alarm value. Alarm values
will be displayed in the same engineering units selected in the Engineering Units Menu (see Section
6.2.2).

-

High Alarm Function:

The High Alarm activates if the flow exceeds the High Alarm value

and resets when the flow drops below the High Alarm Value.

-

Low Alarm Function:

The Low Alarm activates if the flow drops below the Low Alarm

Value and resets when the flow exceeds the Low Alarm Value.

Field Setup

Menu



Output Filter

Alarm Status

Lo Alarm Value

Alarm Options



Alarm Value



(000,000)

Factory Defaults

Alarm Delay

Hi Alarm Value

Output Filter

(100,000)

5.2.1.3. Alarm Delay

The Alarm Delay Menu allows the user to enter an alarm delay of 0 to 999 seconds before an alarm will
be activated. The alarm will be reset without a delay.

Field Setup

Menu



Output Filter

Alarm Status

Lo Alarm Delay

Alarm Options



Alarm Value

(000)Seconds

Factory Defaults

Alarm Delay



Hi Alarm Delay

(000)Seconds

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Содержание Airflow

Страница 1: ...AAON Airflow Signal Processor Field Startup Guide Engineered for accuracy applicability durability and simplicity in HVAC air systems ...

Страница 2: ......

Страница 3: ...5 1 TECH CONFIGURATION MENU 13 5 1 1 MAC Address BACnet Communication Option 14 5 1 2 Instance Number BACnet Communication Option 14 5 1 3 Modbus ID Modbus Communication Option 14 5 1 4 Baud Rate Modbus and BACnet Communication Options 15 5 2 FIELD SETUP MENU 15 5 2 1 High Low Alarm Option 15 5 2 2 Flow Correction 17 5 2 3 Factory Defaults 18 6 AAON FACTORY SETTINGS 19 6 1 TECH CONFIGURATION MENU ...

Страница 4: ......

Страница 5: ...INDEX OF FIGURES Figure 1 Electrical Connections 9 Figure 2 Electrical Connection with Wattmaster Controls 10 Figure 3 Pneumatic Connections 10 ...

Страница 6: ...eature corrects any zero offset caused by large ambient temperature changes The Temperature Compensation feature compensates the flow signal for density changes caused by variations in the air temperature The AAON Temperature Transmitter provides a temperature input signal to the AAON Airflow Signal Processor for air density calculations 1 2 SPECIFICATIONS 1 2 1 Power Supply 20 to 28 VAC DC 1 2 2 ...

Страница 7: ...1 3 2 Static Electricity The circuit board contains components which are susceptible to damage caused by static electrical discharge Should it be necessary to remove the circuit board from the enclosure appropriate precautions must first be taken to ensure that the operator and the circuit board are at the same electrical potential ...

Страница 8: ...8 2 PRODUCT DIMENSIONS 100 000 ACFM 75 F J1 J2 TOTAL CONNECTION STATIC CONNECTION 4 62 5 785 2 265 3 50 5 25 Air Fl o w SIGNAL PROCESSOR AAON ...

Страница 9: ...re 1 The three electrical connectors J1 J2 and optional J3 have removable terminal blocks for ease of installing the interface wiring Step 4 Turn the Power Switch S3 to the ON position see Section 4 1 and 4 2 for display descriptions Step 5 Configure the required parameters as outlined in Section 5 see Section 4 3 for a description of the Key locations and functions Step 6 Replace the cover by tur...

Страница 10: ...PTION 15 17 18 16 11 13 14 12 NC LOW ALARM NO NC COM PURGE HOLD HIGH ALARM COM NO SWITCH POSITIONS SHOWN IN BLACK S1 POSITION INDICATING 4 20mA TEMPERATURE INPUT S2 AND S4 POSITIONS INDICATING 0 10VDC PROCESS OUTPUT RP1 S3 E BUS DISTRIBUTION MODULE AAON TEMPERATURE TRANSMITTER 4 20mA LOOP POWERED COMM COMM GND THE SHIELDING WIRE SHOULD BE USED TO CONNECT WATTMASTER GROUND TO AIRFLOW SIGNAL PROCESS...

Страница 11: ...options purchased 75 F 75 F 75 F 000 000 000 000 000 000 AutoZero ACFM High Alarm ACFM Low Alarm ACFM Flow Monitoring with an Auto Zero Cycle Flow Monitoring with a High Alarm Condition Flow Monitoring with a Low Alarm Condition Number Description 1 Process value 2 Air Flow temperature units in degree F or C 3 Flashing Asterisk indicates the CPU is functioning 4 Engineering units 5 Displayed durin...

Страница 12: ...croll to the correct digit for changes 4 Down Key Allows the user to scroll down in the menu list to a selected item or decrease digits when making value changes 5 Left Key When making changes to user values the Left Key allows the user to scroll to the correct digit for changes 6 Escape Key The Escape Key allows the user to back out of the menu to the Active Display If a user starts to make a cha...

Страница 13: ...Processor The full AAON Outdoor Airflow Measurement System O M can be downloaded from AAON s website at www AAON com 5 1 TECH CONFIGURATION MENU If a network communication option is ordered the associated settings will need to be configured with the exception of Modbus Slave communication with WattMaster Controls which has been configured at the factory To set the parameters refer to the following...

Страница 14: ...s when connecting to a BACnet network The default is 1002 For additional information refer to the AAON Outdoor Airflow Measurement System O M Tech Config Password 1000 4PT Flow Corr Instance Number MAC Address Default 1002 Instance Number Modbus ID 01002 5 1 3 Modbus ID Modbus Communication Option When the Modbus Communication option is ordered the Modbus ID Menu allows the user to set a unique de...

Страница 15: ...to the following procedure below subsections and Section 4 3 for Key functions Step 1 Enter the Field Setup Menu by depressing and holding the Enter Key for 5 seconds Step 2 Once in the Field Setup Menu use the Up Down Keys to highlight the required parameter for configuration as shown in Sections 5 2 1 through 5 2 3 Press the Enter Key once to access the highlighted parameter Menu Step 3 Once in ...

Страница 16: ...low exceeds the High Alarm value and resets when the flow drops below the High Alarm Value Low Alarm Function The Low Alarm activates if the flow drops below the Low Alarm Value and resets when the flow exceeds the Low Alarm Value Field Setup Menu Output Filter Alarm Status Lo Alarm Value Alarm Options Alarm Value 000 000 Factory Defaults Alarm Delay Hi Alarm Value Output Filter 100 000 5 2 1 3 Al...

Страница 17: ...y Filter K Factor Calc K 01 000 5 2 2 2 Flow Correction K Factor Calculator If the new K factor Value needs to be calculated select the K Factor Calc Menu Enter the Displayed Value on the AAON Airflow Signal Processor and actual Measured Value press Enter and the change will be calculated and stored as the new K Factor Value Field Setup Menu Flow Correction Displayed Value AutoZero K Factor 000 00...

Страница 18: ...To Alarm Options Factory Defaults Factory Defaults Factory Defaults Output Filter No No FACTORY DEFAULTS ITEM SAVED SETTING ITEM SAVED SETTING 1 All Factory Calibration Points 12 14 MAC Address 2 Area Factor 15 Instance Number 3 Operating Range 16 Engineering Units 4 4 Pt Flow Correction 17 Display Filter Values 5 Altitude 18 Output Filter 6 K Factor 19 DP Display Format 7 Lockdown Delay Values 20...

Страница 19: ...Factor Altitude and Modbus Slave communication settings are configured under the Tech Configuration Menu see Section 6 1 Operating Range Engineering Units and Temperature Compensation are configured under the Field Setup Menu see Section 6 2 6 1 TECH CONFIGURATION MENU The Area Factor Altitude and Modbus Slave communication settings can be checked or reconfigured under the Tech Configuration Menu ...

Страница 20: ...r Zero Calibration FT2 Span Calibration Altitude 001 000 If the Area Factor is reconfigured and the new Area Factor causes the existing Operating Range Value to be outside the new calculated Minimum or Maximum Full Scale Value the below Warning Message will appear and the Operating Range will be reset to the new Maximum Full Scale Value by pressing Enter The display will automatically jump to the ...

Страница 21: ...ude Menu allows the user to enter the specific altitude for the job for the density calculations the job specific site Altitude has been preprogramed by the factory Tech Config Password 1000 Area Factor Altitude Min Calibration Span Calibration 0000 Ft Altitude If the Altitude is changed from the factory setting and the new Altitude causes the existing Operating Range Value to be outside the new c...

Страница 22: ...e Op Range value can be changed and will represent 100 of the process output signal 5vdc 10vdc or 20mA Altitude Example Altitude Accepted 0100 Ft 6 1 3 Modbus ID Modbus Communication Option When the Modbus Communication option is ordered the Modbus ID Menu allows the user to set a unique device address when connecting to a Modbus network The default is 002 For communication with WattMaster Control...

Страница 23: ...d or reconfigured under the Field Setup Menu To set the parameters refer to the following procedure below subsections and the figure in Section 4 3 for Key functions Step 1 Enter the Field Setup Menu by depressing and holding the Enter Key for 5 seconds Step 2 Once in the Field Setup Menu use the Up Down Keys to highlight the required parameter for configuration as shown in Sections 6 2 1 through ...

Страница 24: ...tup Menu Operating Range Operating Range Zero Calibration ACFM Engineering Units 6 000 12 000 Lockdown 010 000 6 2 2 Engineering Units A list of engineering units are available for the user to select from for display purposes to meet customer requirements Changing the engineering units will affect the process display and the alarm value menus The default setting is ACFM Field Setup Menu Operating ...

Страница 25: ...the external temperature transmitter or the building automation system Since the AAON Temperature Transmitter has been supplied the minimum and maximum temperature range values of 30 F to 130 F have been preprogramed Field Setup Menu Flow Correction Temperature Units Minimum Value AutoZero Temperature Values 030 Temp Comp Temperature Input Maximum Value Display Filter Fixed Value 130 If the temper...

Страница 26: ...imum Value 000 Accepted 100 6 2 3 3 Temperature Input The Temperature Input Menu allows the user to select between three temperature input options Fixed Variable and Network for the flow calculations Since the AAON Temperature Transmitter has been supplied Variable has been selected If Fixed is selected the default temperature value entered in the Fixed Value Menu see Section 6 1 2 4 is used If Ne...

Страница 27: ...ctions below and the Figure 1 in Section 3 6 3 1 Process Output If controls are provided the process output has been set by the factory for input to the specific controller otherwise the default is 0 10VDC To change the output configuration set the S2 S4 switches as follows Process Output Range S2 S4 Current 4 20mA NA mA Voltage 0 10VDC 10V V Voltage 0 5VDC 5V V 6 3 2 Temperature Input Since the A...

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Страница 32: ...ry Technical Support 918 382 6400 Note Before calling Technical Support please have the model and serial number of the unit available Parts For replacement parts please contact your local AAON Representative It is the intent of AAON to provide accurate and current product information However in the interest of product improvement AAON reserves the right to change pricing specifications and or desi...

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