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Alnor AirGard 335, Owner'S Manual

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Section 6  Troubleshooting and Service 

Error Codes................................................................. 38 
Troubleshooting Guide ............................................... 39 
Service Requests......................................................... 40 

Section 7  Mounting Template............................................................ 41 

Summary of Contents for AirGard 335

Page 1: ...AirGard 335 Fume Hood Monitor OWNER S MANUAL...

Page 2: ...IONS stated herein NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE THE EXCLUSIVE REMEDY OF THE USER OR PURCHASER AND THE LIMIT OF THE LIABILITY OF SEL...

Page 3: ...nts 17 High Alarm Disable 18 Emergency Purge 18 Section 5 Parameter Configuration General 19 Configuration Parameters 20 CAL Calibration 21 P01 Digits Enabled Disabled 21 P02 Unit of Measure 21 P03 Te...

Page 4: ...2 2 Section 6 Troubleshooting and Service Error Codes 38 Troubleshooting Guide 39 Service Requests 40 Section 7 Mounting Template 41...

Page 5: ...Indicators An electronic bargraph moves back and forth through universally recognized red danger yellow caution and green safe colored zones as the velocity changes Corresponding large colored LEDs a...

Page 6: ...cation Figure 1 Front View of Instrument Analog Bargraph Status LEDs red yellow and green Colored Bands Digital Display Up Button Down Button Test Reset Button Mounting Screw Emergency Purge Button Mo...

Page 7: ...d bands on LCD glass correspond to alarm caution and normal zones Digital Display Status indicators and icons reflect the status of monitor features If digits are enabled shows airflow velocity measur...

Page 8: ...e hood side wall Terminal Block Accepts 14 24 AWG wires See the Installation section for wiring the monitor s various input output features Power Jack A suitable AC DC power supply is supplied with US...

Page 9: ...when installing or repairing monitors near electrical equipment Mounting the Monitor 1 Determine where the monitor will be mounted Use the cardboard template supplied as a guide for the size of the i...

Page 10: ...n the back of the monitor For units shipped within the United States and Canada a suitable AC DC power supply is supplied with the unit Plug the power supply into 120 VAC nominal 60 Hz mains For monit...

Page 11: ...the non energized state It can be configured to close for alarm caution or emergency purge or open for alarm caution emergency purge or loss of power See Configuration Parameter P09 RELAY 2 Relay 2 T...

Page 12: ...on the basis of toxicity or hazards of the materials used or the operation conducted within the ventilation apparatus Personnel calibrating this monitor must be completely aware of the regulations and...

Page 13: ...e at the center of those areas Do not move more than 6 inches 152 mm between readings A minimum of sixteen readings must be taken per traverse Record the average velocities and the sash heights where...

Page 14: ...The monitor now conducts a self test to determine if the calibration was successful If this test indicates that the calibration was successful the instrument will emit two quick beeps store the new va...

Page 15: ...unit displays this error during Calibration the thermistor is broken Return to TSI for service Err To get a more laminar stable set of sample readings check the following during the 20 second calibra...

Page 16: ...monitor must be warmed up for at least 10 minutes to reach a stable operating temperature 3 Once the monitor warms up note the velocity displayed through the fume hood This can be observed without cha...

Page 17: ...danger yellow caution and green safe colored zones as the flow velocity changes Corresponding large colored LEDs also illuminate The green LED indicates a normal airflow condition The yellow LED indi...

Page 18: ...n off and not come back on until either the temporary horn disable timer expires Configuration Parameter P03 or another alarm condition is detected If the horn is permanently disabled the horn will no...

Page 19: ...t Points The alarm set points may be viewed during normal operation by pressing the Up and Down Buttons The Up Button is to the right of the green LED The down button is to the left of the red LED A s...

Page 20: ...horn beep LED Status When Changing the Alarm Setpoint Alarm LED Status Low alarm Red LED flashes High alarm Green LED flashes Night setback low alarm Yellow LED flashes High Alarm Disable The high al...

Page 21: ...n menu selections successively press the Up and Down Buttons Up to go forward Down to go backward When the desired configuration menu selection is displayed press the Test Reset button to enter Within...

Page 22: ...ters A default reset restores these settings Configuration Parameter Factory Default CAL Calibration A field calibration is required See the Section 3 Calibration P01 Digits enabled disabled Disabled...

Page 23: ...ither the Up or Down Button toggles between the two settings When the desired setting is displayed press the Test Reset button The PGM descriptor will flash once and the horn will give two quick beeps...

Page 24: ...lly the horn will be silenced for the duration of the current alarm condition The monitor can be configured to have the horn come back on after a specified number of minutes or configured so that the...

Page 25: ...present before the monitor will go into the appropriate alarm zone This feature prevents the monitor from toggling back and forth between zones when a condition is on the border This Configuration Pa...

Page 26: ...is Configuration menu selection is entered the monitor will turn on the program mode PGM descriptor and display the current value for the alarm to caution transition timer This timer can be set from 0...

Page 27: ...ll turn on the program mode PGM descriptor and display the current value for the low alarm caution offset For example if the monitor is currently configured for a low alarm caution offset of 20 fpm th...

Page 28: ...perator to activate the instrument s Test Reset function remotely via a contact closure It functions in the same manner as the Test Reset button on the instrument s front panel see Section 1 The local...

Page 29: ...elays are in their normal state and all the LEDs are off The LCD flashes diS once per second P12 a Number This number is the low alarm setpoint value when the monitor is in the Night Setback mode this...

Page 30: ...isplay the current setting Press the Up and Down arrow keys to scroll through the available settings NOTE P08 may only be configured to have one of these features operational at a time The Remote Test...

Page 31: ...e external remote event that may not warrant an alarm to the user but is used rather as an alert of a situation that may necessitate attention When activated the external alarm input causes the horn o...

Page 32: ...st Reset button The PGM descriptor will flash once and the horn will give two quick beeps to acknowledge the save The monitor will return to the P08 Configuration menu selection Press the Up and Down...

Page 33: ...LED Open when in alarm or when power is lost Caution Output CL 1 with horn icon and yellow LED Closed when in caution or alarm Caution Output OP 1 with horn icon and yellow LED Open when in caution a...

Page 34: ...relay function is enabled when one of the following displays is selected NOTE The red LED at the top of the instrument will light in conjunction with two displays shown above when the Alarm Output sel...

Page 35: ...ergized state The contacts can be configured to open when the function is activated or to close when the function is activated or power is lost The table below describes the selections Relay Function...

Page 36: ...he relay function is enabled when one of the following displays is selected NOTE The red LED at the top of the instrument will light in conjunction with two displays above when the Alarm Output select...

Page 37: ...d for the application This Configuration Parameter disables or enables the high alarm relay output After this Configuration menu selection is entered the monitor will turn on the program mode PGM desc...

Page 38: ...or a numerical value see P07 for a functional description of this feature If the monitor is configured for a night setback low alarm of 55 fpm for example the display will show Press the Up Down butt...

Page 39: ...urn on the program mode PGM descriptor and the display will show Press the Test Reset button The PGM descriptor will be continuously displayed and the horn will give two quick beeps to acknowledge tha...

Page 40: ...Error checks are continuously performed on the monitor In the event the monitor detects an error an error message will continuously flash on the display to alert the user The number in the error code...

Page 41: ...appens when the Emergency Purge button is pressed The emergency purge function is not configured See Configuration Parameters P09 and P10 Alarm does not activate immediately Alarm does not come out of...

Page 42: ...ed See Configuration Parameter P07 Monitor keeps bouncing back and forth between adjacent zones The monitor is being influenced by an external air source Remove the source of drafts See Configuration...

Page 43: ...41 41 SECTION 7 Mounting Template Mounting Holes 6 20 Screws...

Page 44: ......

Page 45: ...low Alarm Disable Audible visual and relay disable Alarm Relay Output Nominal switching capacity 1A at 30 VDC 0 5A at 125 VAC form A relay Emergency Purge Button on front of monitor activates a relay...

Page 46: ...n Road Shoreview MN 55126 USA Toll Free 800 424 7427 February 2003 Telephone 651 490 2811 Printed in USA Fax 651 490 3824 Patent 4 982 605 Email customerservice Alnor com Part No 116 159 255 Rev 5 www...

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