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© 2018 nVent

89091001

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3.2 Displaying ACU Faults

If “Alarm File Logging” is enabled, (See 6.1 Enabling Hoffman A.C. Monitor Auto-Start and/or

Alarm File Logging on page 25) and the Hoffman A.C. Monitor application detects an ACU fault,

the details of the fault(s) will be stored in an XML file.

The contents of the Alarm XML file can be displayed by clicking on the “ACU Faults” tab. The

default order is descending by date/time so the latest faults will be at the top of the list. You can

click on the column headings to change the order of the air conditioner faults display.

Note: If a new fault is logged when the “ACU Faults” tab is selected, the screen will refresh and

display all of the faults in descending date/time order.

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Содержание SPECTRACOOL

Страница 1: ... 2018 nVent 89091001 Rev M P N 89091002 SPECTRACOOL Remote Access Control INSTRUCTION MANUAL ...

Страница 2: ...Manually adding an air conditioner to the configuration 16 4 3 Deleting an air conditioner from the configuration 19 4 4 Modifying the air conditioner settings 20 4 5 Importing a Configuration File 21 4 6 Exporting a Configuration File 22 4 7 Changing the ACU IP Address or SNMP Community Setting 23 5 Monitoring or Configuring a Single ACU 24 5 1 Monitoring a Single ACU 24 5 2 Configuring a Single ...

Страница 3: ...ee below for DIN rail mounting dimensions The communication ports and alarm input output terminals are located underneath the Remote Access Control When installing allow sufficient space under the Remote Access Control for access to communication ports and alarm input output terminals 5 89062967 ENERGIZING THE CONTROLLER The controller is wired and programmed at the factory to be energized when po...

Страница 4: ...ers press and hold the Prg and Sel buttons for greater than 5 seconds Press the up or down arrow buttons until 22 is displayed then press Sel button When S P is displayed press Sel Navigation Press up or down arrows to display sub menus then press Sel to select the desired sub menu In the sub menu use up or down arrows to display parameters for viewing or changing and press Sel Use Prg button to b...

Страница 5: ...tay off for the entire restart duration after the compressor is disabled A flashing 1 on the controller display will indicate the unit is in a compressor restart delay while calling for cooling If the delay time is reduced to less than 5 minutes this may cause reduced compressor life ALARM OUTPUT CONTACT The smart controller has a normally open dry contact alarm output with a resistive load rating...

Страница 6: ...tandard and can accommodate up to four 4 air conditioners in a single cabinet In the Master Slave operating mode there is a delay period of 20 seconds between startup of each unit during the startup For example the master unit number 1 starts first unit number 2 will start after 20 seconds followed by unit 3 and another 20 seconds and so on Note the controller default operating mode is single or s...

Страница 7: ...1 2 Both Ethernet and USB communication modes allow the ability to Read ACU inlet and outlet air temperatures Read and change Cooling Set point and Cooling Differential Read and change Heating Set point Heating Differential Read and change High and Low Temperature Alarm Settings Read and change Gateway IP Address Device IP Address Subnet Mask Trap IP Address and Community Read and change Unit Iden...

Страница 8: ...cating with unit To stop communication select the Disable Comm button CHANGING AIR CONDITIONER UNIT VALUES To change ACU Values Select the Settings tab Select the value to change Make the change to the value Select the Change Setting button Change can be verified in ACU Values tab VIEWING AND CHANGING ETHERNET INFORMATION To view and change Ethernet Information Select Ethernet Info tab To view Eth...

Страница 9: ... an external computer or PLC using the SNMP EtherNet IP Modbus TCP and PROFINET protocols 1 1 New Features in V3 1 0 Support for Master Slave ACU configurations with one Master ACU and up to three slave ACUs Support for configuring the polarity of the door open smoke detected switch with Control firmware version 11 or newer Added support for the Mexican Spanish language 2 Installing the Hoffman A ...

Страница 10: ... By default the installation will put the User s Manual and the Serial USB driver in the C Users your userid Documents Hoffman directory If you don t want the User s Manual uncheck the box If it is OK click the Next button If the default Start Menu folder Hoffman is OK click the Next button ...

Страница 11: ...o start the installation Click on the Finish button when the installation completes The Hoffman A C Monitor application is now ready to use You can start the program by clicking Start All Programs Hoffman Hoffman A C Monitor menu or on the Desktop icon ...

Страница 12: ...an or Simplified Chinese If the PC is configured for any other language the application s language will configure to English Note If no air conditioners have been configured a window will open stating that the configuration file does not exist Click OK button to create empty configuration files and to close the window Note If you exported a configuration file from a previous version of the applica...

Страница 13: ...t click on the IP Address column header The air conditioners will now be displayed in increasing IP Address order You will see an up arrow to the right of the IP Address that indicates the increasing IP address order If you click on the IP Address column header again the air conditioners will now be displayed in decreasing IP Address order You will see a down arrow to the right of the IP Address t...

Страница 14: ...will be stored in an XML file The contents of the Alarm XML file can be displayed by clicking on the ACU Faults tab The default order is descending by date time so the latest faults will be at the top of the list You can click on the column headings to change the order of the air conditioner faults display Note If a new fault is logged when the ACU Faults tab is selected the screen will refresh an...

Страница 15: ... poll each IP address on a network subnet If it finds an air conditioner that is not currently configured it will add it to the configuration Click Tools menu and select Change Multiple ACU Configuration in the pull down menu Note The MAC Address displayed to the right of the IP address corresponds to the MAC Address printed on the label on the air conditioner You can use the MAC Address shown in ...

Страница 16: ... subnet so it will take more than 15 minutes to scan a complete subnet You can reduce the default IP Retries to 1 by clicking on the down arrow next to the IP Retries box and reduce the default IP Time out to shorten the scanning time Note A future version of this application will allow the use of an arbitrary subnet mask Note In a Master Slave configuration the Master ACU is the only ACU connecte...

Страница 17: ...n the IP Address cell to allow text editing Enter the IP address for the air conditioner in dotted format for example 10 82 149 247 When you have finished entering the IP address press the Tab key twice and the Community cell will be highlighted Click on the Community cell to allow text editing If the SNMP Community is set to public the sensors and alarms can be read but configuration changes to t...

Страница 18: ...s as the Master ACU but change the Master ID to correspond to the Slave ACUs ID in the range of 2 4 When the ACUs are polled the application will append the Master Slave ID to the Unit ID to make tracking easier The Hoffman A C Monitor application screen should look like the image above Click the Save Configuration File button to save the current air conditioner configuration Click the Yes button ...

Страница 19: ...lick the Yes button to confirm deletion of the air conditioner Click the Save Configuration File button to save the current air conditioner configuration Click the Yes button to save the current air conditioner configuration Repeat the above steps to delete more air conditioners from the configuration Note You can hold the CTRL key on your keyboard down and click on multiple ACUs When you press th...

Страница 20: ...n menu click twice on a cell in the configuration display change the value and select Save Configuration File button To reprogram the set points in the air conditioner click on the box to the left of the Group cell for the desired air conditioner and select Reprogram All Selected ACUs button If you would like to reprogram more than one air conditioner at a time you can hold the CTRL key down while...

Страница 21: ...nd select Change Multiple ACU Configuration from the pull down menu and finally click Import Configuration File button Use the Open Multiple ACU Configuration File window to find and select the XML configuration file to import and select Open button You must click the Save Configuration File button to make the imported configuration the permanent configuration ...

Страница 22: ...From the Open Multiple ACU Configuration File window select the desired directory and file name and click Save button Note The default directory for saving the configuration file is C Users your userid Documents Hoffman Click Yes to save the configuration file Note You can use the Export Import tools to copy the Multiple ACU Configuration from one PC to another Note You can export the Multiple ACU...

Страница 23: ...ACU Ethernet Info tab Click on the Read Ethernet info button The current Ethernet configuration will be displayed Edit the fields as desired and click Reprogram ACU button The updated network configuration will re program the air conditioner Note The IP address and SNMP Community settings cannot be changed from the Multiple Hoffman A C Monitor tab You can use the Single ACU Ethernet Info tab to ch...

Страница 24: ...nfiguring a Single ACU To configure a single ACU click on the Single ACU Monitor tab Enter the IP Address of the ACU in the Device ID field and enter the SNMP Community in the Community field The default SNMP Community of public will not allow ACU configuration changes to be made The default SNMP Community of private will allow configuration changes but it is likely that this default SNMP Communit...

Страница 25: ...ing The Hoffman A C Monitor can be configured to automatically start polling the air conditioners in the Multiple ACU mode when the application is started and or to enable logging of faults into an alarm file 6 1 Enabling Hoffman A C Monitor Auto Start and or Alarm File Logging ...

Страница 26: ...hive Fault Log and Open with Excel Clear Faults button the Hoffman A C Monitor will copy the fault log file into a new XML archive file The new XML archive fault log file will be located in the Hoffman directory in your local documents directory The name of the file will be as shown here MMDDYYY hhmmmssACUAlarm xml where MMDDYYY is the current month day year and hhmmss is the 24 hour version of th...

Страница 27: ...ed in column A If the Network column contains Fault the ACU did not respond to an SNMP poll but had previously responded The group that was assigned to the ACU is listed in column C and the IP and MAC address of the ACU are in columns D and E respectively Columns G and H contain the inlet and outlet temperatures when the fault occurred The remaining columns show the state of the ACU alarms when th...

Страница 28: ...Spanish Polish Russian or Simplified Chinese If the PC is configured for any other language the application s language will configure to English 7 1 Overriding the detected language setting You can override the detected language by clicking File and selecting Language Settings A window will open as shown above Select Manually Configure Language button A pull down menu will be displayed showing the...

Страница 29: ... for data logging click Tools menu and select Change Multiple ACU Configuration from the pull down menu Then click Setup button Find the ACU you would like to configure click on the Data Logging column cell to change the No to Yes and finally click Save Configuration File Repeat this for each ACU that you would like to configure an ACU for data logging When clicking on Enable Polling button the se...

Страница 30: ...rectory in your local documents directory The name of the file will be formatted as shown here MMDDYYY hhmmmssACUDataLog xml where MMDDYYY is the current month day year and hhmmss is the 24 hour version of the current time If Excel is installed Excel will be launched to open the archive data log file The current sensor data in the display will be cleared The data log file is XML formatted and can ...

Страница 31: ...f the poll is listed in column A You can sort the data by clicking on the arrow next to the column heading 8 3 Graphing the Temperature Sensor Data in Microsoft Excel In order to create a temperature sensor graph click on the Unit ID arrow to sort all of the data for each ACU into adjacent cells Select the Enc_Air_In and Enc_Air_Out cells for a single ACU Click on Insert Line and select the 2D Lin...

Страница 32: ...click on the chart click on Layout click on Axis Titles click on Primary Vertical Axis Title and finally click on Rotated Title A text box will appear to the left of the numbers Click on the text and change it to Degrees F If a title on the top of the chart is desired click on the chart click on Layout click on Chart Title click on Above Chart A text box will appear above the chart Click on the te...

Страница 33: ... 2018 nVent 89091001 33 NOTES ...

Страница 34: ...le problem Defective controller Replace part 4 The evaporator Enclosure or COLD air fan impeller should turn on Is there airflow YES proceed to step 5 NO possible problem Controller in alarm condition Open motor winding Stuck fan impeller Obstructed blades wheel Defective motor capacitor Repair or Replace defective part 5 Start the cooling cycle by changing the cooling setpoint parameter r01 to th...

Страница 35: ...nt Possible bad valves in compressor Repair or Replace defective part SYMPTOMS AND POSSIBLE CAUSES REMOTE ACCESS CONTROL VERSION SYMPTOM POSSIBLE CAUSE Unit won t cool Clogged fins on coil s Dirty filter Impellers not running Compressor not running Compressor runs but has bad valves Loss of refrigerant Compressor tries to start but won t run Low line voltage at start Should be 10 rated voltage Com...

Страница 36: ... 2018 nVent 89091001 Rev M P N 89091002 P8GPV QHHOCP 9C PQMC 0 75 P8GPV EQO ...

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