Airflow Indicator Panel User`s Manual
Contents
1. Figure SA System schematic using LZS 50 2 Lambda Power Supply Dynalec P N 62413 155 Airflow Indicator Panel User s Manual BUTTON COMMON SELECT BUTTON ALARM ALARM SILENCE BUTTON DOWN BUTTON UP BUTTON A2 PCB Assy Processor Board Assy 62413 140 Schematic 62413 142 NOTES 1 REFERENCE DOCUMENT 62413 100 DIGITAL AIRFLOW ASSEMBLY 62413 102 WIRING DIAGRAM 5 VDC 5 VDC 5 VDC Display Bit 1 5 VDC Display Bit 2 DC RTI Display Bit 3 DC RTN Display Bit 4 DC RTN Display Bit 5 DC RIN Display Bit 6 DC RTN Display Bit 7 DC RTN Control Bit DC RIN No Connection LED Latch Control LED 5 Green No Connection No Connection No Connection ALARM LED Control No Connection No Connection No Connection No Connection No Connection No Connection No Connection No Connection No Connection No Connection Dim Voltage Supply Dim Voltage Bupppltage Buppipltage Supply A3 PCB Assy Display Board Assy 62413 120 Schematic 62413 122 CORRECTIVE MAINTENANCE 43A 44A blank ANALOG jj EXTERNA OUTPUT ji ALARM AC ALARM CTRL CONTACT CTRL CONTACT W3P1 DG RINI 1 DCRTN 2 No Connectionj 3 No Connectioni 4 No Connection 5 No Connectioni 6 No Connection 7 No Connection 8 No Connection g No Connection 10 TriState Alarm 11 Pos Battery Input 12 Pos Battery Input 13 DG RINI 14 DCRTN 15 No Connection 162. If 115VAC power is present at the input to the power supply PS1 using a meter confirm that approximately 13VDC is present at the supply s output terminals across DC OUTPUT and terminals If DC output from the supply is not present disconnect W3P1 from A1J1 to eliminate load on the supply If DC output is still not present replace PS1 If DC supply output returns when its load is disconnected disconnect W2P2 from A1J2 to isolate the remainder of the system load Reconnect W3P1 to A1J1 and check the output of the supply for approximately 13VDC Ifthe DC output is still not present replace Al Power Management PCB Assembly Dynalec P N 62413 145 If DC output power is present with W3P1 reconnected disconnect 37 FUNCTIONAL DESCRIPTION TEST IO yields unlit LED TEST IO yields non functional alarm 38 A2 Processor Board PCB Assembly from A3 Display Board PCB Assembly Reconnect W2P2 to A1J2 and check the output of the supply for approximately 13VDC If the DC output is still not present replace A2 Processor Board PCB Assembly Dynalec P N 62413 140 If the DC output is present replace A3 Display Board PCB Assembly Dynalec P N 62413 120 If 115VAC input power is not available to the unit using a meter confirm that 10 13VDC is present across the terminals of the battery BT1 Ifnot the battery may require recharging See the Battery Not Charging section below for more information
3. If 10 13VDC is present at the terminals of the battery confirm that with the meter lead still on the terminal of the battery the same voltage is read with the meter lead on the 1C terminal input terminal of S1 with S1 in the ON position If not check the wiring between the battery BT1 and the power switch S1 Confirm that the same voltage is read with the meter lead on the INC terminal output terminal of S1 Ifthe voltage is present at the input and not the output replace S1 Confirm that the 10 13VDC battery voltage is present across terminals 1 and 13 of A1J1 If not check the wiring between the battery BT1 the power switch S1 and W3P1 mates to A1J1 If the 10 13VDC battery voltage is present across the appropriate terminals of A1J1 confirm that a voltage between 4 9 and 5 1VDC is present across A1C3 If this voltage is not present disconnect W2P2 from A1J2 and again check for the appropriate voltage across A1C3 If this voltage is still not present replace Al Power Management PCB Assembly Dynalec P N 62413 145 If the 4 9V 5 1VDC is present after disconnecting W2P2 disconnect A2 Processor Board PCB Assembly from A3 Display Board PCB Assembly Reconnect W2P2 to A1J2 and check the voltage across A1C3 again If the appropriate voltage is still not present replace A2 Processor Board PCB Assembly Dynalec P N 62413 140 If the appropriate voltage is present replace A3 Display Board P
4. The Airflow Indicator Panel also provides an analog output signal which is proportional to the measured airflow The analog signal depends on the type of sensor being used e Foradigital RTD sensor analog RTD sensor or 5000 ft min pinwheel sensor The analog output signal varies linearly from 0 to 10 VDC for airflow measurements of 0 to 5000 ft min respectively e Fora 1000 ft min pinwheel sensor The analog output signal varies linearly from 0 to 10 VDC for airflow measurements of 0 to 1000 ft min This analog output signal is present on terminals TB1 1 and TB1 2 TBI1 1 is the positive reference terminal Function of the Silence button Alarm indications remain until either 1 the alarm conditions are removed or 2 the SILENCE button on the front panel is depressed silencing all audible alarms The Silence button silences e Front panel alarm e External alarm e ACalarm Pressing the Silence button has no effect on the panel LEDs and the tri state alarm signal The alarm is generated only while the system is on AC power not on battery power Digital RTD no data being received Analog RTD less than 235 ma or more than 515 ma 1000 or 5000 pinwheel stops spinning This message can be displayed if the battery is functional if not the system will instead report a total power failure once power is restored This message is displayed after power is returned to the unit Airflow Indicator Panel User s Manual 1
5. DC OUT 17 5 VDC Alarm 18 External Alarm 19 115 VAC Alarm Out 20 RTD Sensorj 21 Pinwheel Signal in 22 Analog Signal Ouf 23 15VDCIn 24 15VDC In 25 NOTE K3 SSRT 240D10 Al PCB Assy Power Management Assy Detail Schematic 62413 145 62413 146 62413 147 INPUTN ACC DC OUT INPUTL AC oriana NM CECI a REV E or REV F of this assembly can be used with EITHER Lambda LZS 50 2 OR Kepco RAX12 4 2K supply FRONT PANEL CONTROLS s ss CONI pedi Sn CSLENCE Zan aa 8 z Figure 8B System schematic using RAX12 4 2K Kepco Power Supply Dynalec P N 62413 166 Airflow Indicator Panel User s Manual LC H TOO N OO a ON E as BON P3 Ma a ROIO 26TB12F DCRTN DC RTN Battery Voltage Pinwheel Input Analog Out RTD Input 15 VDC Supply 15 VDC Supply Ext Alarm 115 VAC Battery LED Battery Check Relay Control Out Tri State Alarm Relay Control Out AC line Failure Input 5 VDC 5 VDC BUTTON COMMON SELECT BUTTON ALARM ALARM SILENCE BUTTON DOWN BUTTON UP BUTTON TRI STATE 115vac C POWER NC NO facc AC 4 GND TNeas 2 a Em 12 VOLT A2 PCB Assy Processor Board Assy 62413 140 62413 141 62413 142 Detail Schematic FL2 3VQ1 m pr 5VDC Display Bit 1 5 VDC Display Bit 2 DCRTN Display Bit 3 DCRTN Display Bit 4 DC RTN Display Bit 5 DC IN Display Bit 6 DC RTN Dis
6. alphanumeric display and activates alarms if the airflow falls below a user specified level There are a number of user adjustable equipment settings to tailor the unit s functionality for different operating environments The Airflow Indicator Panel works with these sensor types e Digital Resistive Thermal Device Sensor DRTD Dynalec Model 62413 200 Figure 1 e Analog Resistive Thermal Device Sensor ARTD All Navy approved models e Pinwheel Sensor 1000 ft min 1 PIN Dynalec Model 62413 005 Figure 2 e Pinwheel Sensor 5000 ft min SPIN Dynalec Model 62413 006 Figure 2 Figure 1 Dynalec digital RTD model 62413 200 Figure 2 Dynalec pinwheel sensor models 62413 005 and 006 Airflow Indicator Panel User s Manual 7 SAFETY PRECAUTIONS AND GENERAL INFORMATION Panel features The Airflow Indicator Panel has these main features e Alphanumeric display Large eight character LED display Bar graph display Smaller nine LED display above the alphanumeric display e Audible and LED alarms to the right of the alphanumeric and bar O DISPLA ASP A ACD AC VOL A DIM DSP FPM AIRFLOW FT MIN LARM SET POINT ALD AIRFLOW ALARM DELAY SEC BGR BARGRAPH RANGE gt D SNR S graph displays Audible and Alphanumeric display LED alarms Y FUNCTION Bar graph display POWER LOSS DELAY
7. tet f a awe Di nl ls alle io 8 6m o 7 Figure 12 Bottom view Airflow Indicator Panel 54 Airflow Indicator Panel User s Manual Installation This chapter contains procedures for mounting installing and turning on the Airflow Indicator Panel The procedures for installing the Airflow Indicator Panel are 1 Mounttheunit 2 Hook up input and output wires 3 Turn the unit on Mounting the unit See figure 13 for mounting dimensions Airflow Indicator Panel User s Manual 55 INSTALLATION 56 Airflow Indicator Panel User s Manual INSTALLATION 13 00 50 12 00 me 44 1149 gt T pal 1 56 D SR DISPLAY FUNCTION l FPM AIRFLOW_ FT MIN ASP ALARM SET POINT IRFLOW ALARM DELAY SEC ACD AC POWER LOSS DELAY SEC BGR BARGRAPH RANGE o ipy VOL ALARM VOLUME DIM DISPLAY DIMMER BELOW 4 ABOVE DSP DATA SAMPLE RATE SP SNR SENSOR TYPE us 9 19 FLOW LOW FLOW BELOW LIMIT 8 00 SELECT UP 10 16 TO MODIFY ADJUSTABLE DATA SETTINGS 480 1 25 SELECT FOR DESIRED DATA SIL S PUSHBUTTON ON INSIDE FRONT COVER O P DOWN BUTTONS FOP DESIRED VALUE x PRESS PUSHBUTTON TO SAVE CHANGES BATTERY NOTE ONLY ADJUSTABLE DISPLAY WILL FLASH KZ K T
8. 103 4 PLACES 3 PLACES FOR PS1 51X57 61 14 MOUNTING ON BOTTOM be 721431 45 2 S Pd Ia I f L b OI Li ra i Z U ds Z 4 O Hi 2 PLACES W2 IRE 7 In DE e POL DETAIL B e Gel E fr y an Ss K II Ul i P L 64X65 64 64 65 64 Dea 2 PLACES 52 45 a 2 PLACES 4 PLACES Gi 4 PLACES G FL d 2 PLACES LI CXE SES SE x 290 2 V 3 4 S Gi 4 PLACES 4 PLACES 2 PLACES Figure 11 A A sectional view Airflow Indicator Panel Airflow Indicator Panel User s Manual 53 PARTS LIST E AG CASE P TEEN i lt I M SCH a I CH T I i a I Ke e CUTOUT CABLE ACCESS a La
9. 8MM 71 Dwg 62413 160 PH Screw SS XREC M4 7 x 10MM 72 Dwg 62413 159 Washer 156 ID x 375 OD x 090 100 Mfr 12763 Dwg 12215 018 Standoff Hex 25 x 3 000 6 32 101 Mfr 12763 Dwg 12520 840 Standoff Hex 25 x 1 531 6 32 102 Mfr 12763 Dwg 12520 841 Designation Plate 103 Mfr 12763 Dwg 62413 150 Designation Plate 104 Mfr 12763 Dwg 62413 151 Pad Audio Logic Board 107 Mfr 12763 Dwg 61690 449 Airflow Indicator Panel User s Manual 49 PARTS LIST DISPLAY FUNCTION FPM AIRFLOW FT MIN ASP ALARM SET POINT ALD AIRFLOW ALARM DELAY SEC ACD AC POWER LOSS DELAY SEC BGR BARGRAPH RANGE VOL ALARM VOLUME DIM DISPLAY DIMMER DSP DATA SAMPLE RATE SNR SOR TYPE BELOW SPs ABOVE AC FAILS AC PWR FAILURE BAT FAIL BATTERY FAILURE PWR FAIL TOTAL PWR FAILURE SNR FAIL SENSOR FAILURE FLOW LOW FLOW BELOW LIMIT TO MODIFY ADJUSTABLE DATA SETTINGS PRESS PUSHBUTTON ON INSIDE FRONT COVER PRESS SELECT FOR DESIRED DATA HOLD UP DOWN BUTTONS FOR DESIRED VALUE PRESS PUSHBUTTON TO SAVE CHANGES NOTE ONLY ADJUSTABLE DISPLAY WILL FLASH TO VIEW DATA ON THE DISPLAY PRESS SELECT AND SCAN THE DISPLAYS INDICATING AND CONTROL PANEL CIRCUIT HF Figure 9 Front panel 50 FARSIDE dea N gt PN 2 PLACES _ 406 DIA 3 PLACES ee TE 4 PLACES Airflow Indicator Panel User s Manual PAR
10. OUST n ou S Ta lost dH input N ACC 11 L UT 10 2 9 A Input L AC 21 2 Ho INP OUT OUT WE 19 eto GOOD GOOD GOOD GOOD s See HT z e 5 8 7 6 i e C o o olololo 1 o tO 2 wl waP2 o oPofofo sli s 8 7 6 sn 2 La ui 777 S 12 VOLT P O W3P1 DG RIN 1 DC RIN 2 Supply Fault Common 3 No Connection 4 No Connection 5 No Connection 6 No Connection 7 No Connection 8 AC Line Fault 9 15 VDC Fault 10 Tri State Alarm 11 Pos Battery Input 12 Pos Battery Input 43 DC RIN 14 DG RIN 45 No Connection 16 7 18 19 20 21 22 23 24 25 DC OUT 5 VDC Alarm External 115 AA frAlarm Out RTD Sensor Pinwheel Signal lanalog Signal Out 15 VDC In 15 VDC In NOTE A1 PCB Assy Power Management Assy 62413 145 Schematic 62413 147 REV D or EARLIER of this assembly can be used with ONLY the Lambda LZS 50 2 supply w2 FRONT PANEL CONTROLS DC RTN DC RTN Battery Voltage Pinwheel Input Analog Out RTD Input 15 VDC Supply 15 VDC Supply Ext Alarm 115 VAC Battery LED Battery Check Relay Control Out Tri State Alarm Relay Control Out AC line Failure Input 5 VDC 5 VDC ALARM LS1 SILENCE SELECT
11. Range DRTD ARTD IPIN SPIN Up Down button press DRTD ARTD IPIN SPIN See Notes Notes DRTD digital RTD ARTD analog RTD 1 pin 1000 ft min pinwheel 5 pin 5000 ft min pinwheel Press the Up or Down button to begin the test Release the button to end the test If the system is connected to an external main alarm board we recommend informing personnel at that board before performing this test Airflow Indicator Panel User s Manual OPERATION Testing the LED Displays Alarm Outputs The Airflow Indicator Panel provides a way to test all LED displays and alarm output signals simultaneously 1 Ineither normal display mode or user data entry mode press the Select button on the front panel several times until the TEST IO code appears on the alphanumeric display 2 Press and hold either the Up or Down button AIl LEDs including the alphanumeric display segments bar graph LEDs and alarm and battery LEDs will be illuminated In addition all alarm outputs including the front panel audible alarm external alarm AC alarm and tri state alarm will be activated 3 Release the Up or Down button to stop the test 4 Press Select until the FPM code and current airflow measurement are displayed This display returns automatically if TEST IO is displayed more than 5 minutes Note If the TEST IO function is activated during an alarm condition that has been silenced using the Silence button the audible a
12. SEC LARM VOLUME SPLAY DIMMER BELOW k ABOVE ATA SAMPLE RATE SP ENSOR TYPE AC FA SNR FLOW PRESS PRESS PRESS OTE PRESS BAT FAIL BATTERY FAILURE PWR FAIL TOTAL PWR FAILURE FAIL SENSOR FAILURE O MODIFY ADJUSTABLE DATA SETTINGS HOLD UP DOWN BUTTONS FOR DESIRED VALUE O VIEW DATA ON THE DISPLAY SELECT AND SCAN THE DISPLAYS L AC PWR FAILURE LOW FLOW BELOW LIMIT SELECT SILENCE PUSHBUTTON ON INSIDE FRONT COVER SELECT FOR DESIRED DATA PUSHBUTTON TO SAVE CHANGES ONLY ADJUSTABLE DISPLAY WILL FLASH Figure 3 Feature s of the Airflow Indicator Panel On the top left of the panel are a list of codes that can appear in the alphanumeric display and their meanings These codes are described in greater detail in Table 3 on page 10 On the bottom left of the panel are instructions for viewing and changing equipment settings These instructions are described in greater detail in the section Changing equipment settings on page 21 Airflow Indicator Panel User s Manual Alphanumeric display Airflow display Failure message display SAFETY PRECAUTIONS AND GENERAL INFORMATION Under the alphanumeric display are a series of buttons used to change the display The alphanumeric display is a series of LEDs that normally displays absolute airflow measurements from the external sensor
13. Set point Number of seconds where measured airflow is below the alarm set point before alarms are triggered the alarm delay Number of seconds without AC power before alarms are triggered the AC alarm delay Displays the top end of the bar graph display range ft min Volume level of the audible alarm Brightness level of the alphanumeric display bar graph and indicator LEDs This setting can be adjusted while in normal display mode Period of time in which sensor data is averaged before the FPM display is updated the data sample period Sensor type DRTD digital RTD ARTD analog RTD 1PIN 1000 ft min pinwheel 5PIN 5000 ft min pinwheel Pressing the Up or Down button while this setting is displayed activates all LEDs display segments and alarms for testing Airflow Indicator Panel User s Manual Bar graph display Dm OD OD P SAFETY PRECAUTIONS AND GENERAL INFORMATION The bar graph display is a series of nine LEDs three red one yellow and five green LEDs This display gives a quick indication of measured airflow relative to the alarm set point The alarm set point is a customer specified setting of the minimum desirable airflow in feet per minute The single yellow LED represents the alarm set point When this LED is lit the measured airflow is exactly at the alarm set point If one or more red LEDs are lit airflow is below the alarm set point If one or more green LEDs are lit airflow is ab
14. The display will also show failure messages during a failure condition and equipment settings if the Select button is pressed The Select button is below the alphanumeric display The absolute airflow measurement is displayed as a three letter code FPM followed by the four digit airflow measurement in feet per minute The Airflow Indicator Panel receives sensor data once every second and averages this data over a 30 second period before updating the display The 30 second period is the factory default setting which you can change The display thus shows the average of the previous 30 seconds worth of airflow readings rather than the actual airflow at any given second This keeps the airflow display from constantly flickering The display of the absolute airflow measurement is called normal display mode in this manual This is the default display whenever the unit is turned on When there is an alarm condition or a combination of alarm conditions the display shows each of the failure messages in succession for 1 second each followed by a 1 second display of the airflow reading These messages are displayed until the alarm conditions are removed Alarm conditions are described in the section Description of Alarm Conditions on page 14 Equipment settings display The Airflow Indicator Panel has a number of user adjustable settings such as the brightness of the LED displays sensor type and alarm set point Yo
15. battery to determine its capacity to support the system If the battery voltage drops below 9 5 volts a battery failure alarm condition is generated The alphanumeric display then switches between displaying the measured airflow and the BAT FAIL failure message and any other failure messages that are present at 1 second intervals On the front panel the audible alarm and the alarm indicator LED are activated In addition the external alarm and the AC alarm are activated A fully charged battery can support the system for a minimum of 30 minutes after the loss of AC power A total power failure condition is present if the battery voltage has dropped below 9 5 volts and there is still no AC input power If this occurs the tri state alarm is activated to indicate a fault condition When power is restored to the system the PWR FAIL failure message appears and the alarm indicator LED is activated showing that all available power to the system was lost This message is alternately displayed with the measured airflow and any other failure messages that are present Airflow Indicator Panel User s Manual 15 SAFETY PRECAUTIONS AND GENERAL INFORMATION Description of Output Signals External alarm AC alarm Tri state alarm The Airflow Indicator Panel can generate several output signals e External alarm e AC alarm e Tri state alarm e Analog output signal 11 VDC 20 is presented across terminals TB1 3 to TB1 4 TB1 3
16. change the setting Use Table 6 on page 25 as a guide e Press the button in discrete presses to change the setting by a step at a time e Or hold the button down longer than 4 seconds to scroll rapidly through the range of choices Note Your changes take effect as soon as you release the Up or Down button You do not have to press Select to enter the change or return to display mode 4 Return the system to display mode Open the front panel e Press the Mode switch The alphanumeric display should return to displaying airflow and any failure messages 5 Resecure the front panel Note The system automatically returns to normal display mode 5 minutes after the last button press if it is not manually returned to normal display mode 24 Airflow Indicator Panel User s Manual Table 6 Equipment settings Display FPM ASP ALD ACD BGR VOL DIM DSP Definition Measured airflow in feet per minute Alarm set point Alarm delay AC alarm delay Bar graph display range Audible alarm volume Display brightness Data sample period Default value 1000 ft min 10 sec 10 sec 5000 ft min 7 loud 7 bright 30 Airflow Indicator Panel User s Manual Range 0 5000 ft min 10 5000 ft min 1 300 sec 1 300 sec ASP 5000 ft min 0 quiet 7 loud 0 dim 7 bright 1 60 Up Down button press 10 ft min 1 sec 1 sec 10 ft mi
17. chassis Specifically check the ALARM white lead for a short to chassis Replace A2 Processor Board PCB Assembly Dynalec P N 62413 140 Check input power wiring for intermittent connection Replace A2 Processor Board PCB Assembly Dynalec P N 62413 140 Confirm that an additional 6 8K supervisory resistor has not been added across Tri State Alarm terminals supervisory resistor is part of relay assembly The addition of 1 or more supervisory resistors across the Tri State Alarm terminals of TB2 or a short in R1 or R2 will result in a sufficient enough current draw from the alarm switchboard to trigger an alarm condition Confirm that TRI STATE ALARM line in W3 cable assembly is not shorted to the unit chassis Connect the lead of a DC meter to the terminal of A2C12 Connect the lead of the meter to pin 5 of A2U8 Confirm that a voltage of approximately 0VDC is obtained If not replace A2 Processor Board PCB Assembly Dynalec P N 62413 140 If this voltage is present connect the lead of the meter to pin 17 of A1JI Connect the lead of the meter to the middle leg of AIQ1 Confirm that a voltage of approximately 0VDC is obtained If the voltage is not present confirm the connection of the TRI STATE ALARM RELAY CONTROL OUT line in the W2 cable assembly between Al and A2 Replace this cable if necessary If the voltage is present move the meter lead to pin 11 of A1JI Confirm that a voltag
18. end of the range For example if the alarm set point is set at its maximum setting 5000 ft min and you touch the Up button the setting display returns to 10 ft min Table 6 on page 25 lists the ranges and default values for each setting Any changes you make while in user data entry mode are saved to memory that is the settings are saved even if the unit loses power or is turned off These settings remain until changed again 22 Airflow Indicator Panel User s Manual OPERATION Changing equipment settings 1 Put the unit in user data entry mode Open the front panel e Locate the Mode switch at the bottom of the board mounted behind the front panel e Press the Mode switch e Push the front panel closed without securing it so you can see the alphanumeric display There should now be an underscore after the three character code A2J3 CAC J4 Mode Switch Figure 6 Mode switch behind the front panel Airflow Indicator Panel User s Manual 23 OPERATION 2 Press the Select button until the display shows the equipment setting you want to change Number of presses Display Setting 1 ASP Alarm set point 2 ALD Alarm delay 3 ACD AC alarm delay 4 BGR Upper end of bar graph range 5 VOL Audible alarm volume 6 DIM Display brightness 7 DSP Data sample period 8 SNR Sensor type 9 TEST IO 10 FPM 11 12 etc ASP ALD Repeats equipment settings 3 Press the Up or Down button to
19. is positive terminal This output is intended to drive an external audible alarm 100 mA max This 115 VRMS 10 47 440 Hz AC output signal is presented across terminals TB1 6 to TB1 9 This output is intended to drive an external bell and is fused via F1 and F2 at 2A During normal operation A resistance of 6 8 KQ 10 is presented across both Normally Open and Normally Closed contacts These outputs are compatible with MIL A 17196 Type IC SM alarm panels For alarm conditions listed in Table 4 A resistance of less than 1Q is presented across terminals TB2 8 and TB2 10 Normally Open contacts and a resistance of greater than 100 KQ is presented across terminals TB2 8 and TB2 9 Normally Closed contacts In a fault condition where total power is lost A resistance of greater than 100 KQ is presented across terminals TB2 8 and TB2 10 Normally Open contacts and a resistance of less than 1Q is presented across terminals TB2 8 and TB2 9 Normally Closed contacts Airflow Indicator Panel User s Manual SAFETY PRECAUTIONS AND GENERAL INFORMATION Table 4 Alarms generated for each alarm condition Front panel AC alarm Alphanumeric audible Alarm External external Tri state display alarm LED alarm bein alarm Low airflow detected FLOWLOW rv _ Sensor failure SNR FAIL d d d d d AC power failure AC FAIL v v v Battery failure BAT FAIL d v v v Total power failure PWR FAIL V fault Analog output signal
20. of less than 1Q is presented across the NC contacts Airflow Indicator Panel User s Manual Corrective Maintenance This chapter contains A table listing problems you may encounter and suggested solutions A schematic diagram of the Airflow Indicator Panel The Airflow Indicator Panel has been designed to minimize the troubleshooting and repair processes Use the schematic in Figure 8 and Table 8 below as a guide if problems occur Table 8 Troubleshooting guide Symptom Suggested Solution Unit fails to operate Airflow Indicator Panel User s Manual AC power is not connected and the battery is dead Using a meter confirm that 115VAC power is present at TB2 11 and 12 If not confirm input power wiring Confirm that the power switch S1 is in the ON position and check for 115VAC power the input terminals of the power supply PS1 across AC and ACC input terminals If power is present here and the Power Available indicator DS1 is not illuminated replace DS1 If 115VAC is not present confirm that 115VAC is present at the input of FL1 and the output of FL2 If power is present at the input of one of the filters and not the output replace the appropriate filter Confirm that 115VAC is present across the 2C and 3C contacts input of S1 Confirm that 115VAC is present across the 2NC and 3NC contacts output of S1 with S1 in the ON position If power is present at the input and not the output replace S1
21. of the sensor falls below 235mA or exceeds 515mA e Pinwheel sensor 1000 ft min or 5000 ft min This sensor operates using a spinning pinwheel which in turn generates a switch closure with a frequency corresponding to the airflow Dirt lodged in the pinwheel can prevent it from spinning A sensor failure is present if the pinwheel ceases to spin Airflow Indicator Panel User s Manual AC power failure Battery failure Total power failure SAFETY PRECAUTIONS AND GENERAL INFORMATION If the appropriate failure condition for the sensor type being used is present the alphanumeric display stops displaying the measured airflow and displays the SNR FAIL message alternating with any other existing failure messages present at 1 second intervals On the front panel the audible alarm and the alarm indicator LED are activated The external alarm the AC alarm and the tri state alarms are also activated If the Airflow Indicator Panel loses AC power for longer than the specified AC alarm delay period an AC power failure alarm condition is generated The alphanumeric display then switches between displaying the measured airflow and the AC FAIL failure message and any other failure messages that are present at 1 second intervals On the front panel the audible alarm and the alarm indicator LED are activated In addition the external alarm is activated The Airflow Indicator Panel periodically checks the voltage of the internal
22. proper system operation When the unit detects an alarm condition a failure message is generated and the appropriate alarm output signals are activated The alarm conditions are e Low airflow detected Sensor failure e AC power failure e Battery failure e Total power failure The signals output by each of these conditions are described on page 16 If detected airflow is less than the alarm set point for a longer time than the specified alarm delay period a low airflow alarm condition is generated The alphanumeric display then switches between displaying the measured airflow and the FLOW LOW failure message and any other failure messages that are present at 1 second intervals On the front panel the audible alarm and the alarm indicator LED are activated The external alarm the AC alarm and the tri state alarms are also activated Each of the sensors which can operate with the Airflow Indicator Panel have different failure modes e Digital RTD This sensor periodically sends a digital message to the Airflow Indicator Panel which contains the airflow measurement A sensor failure is present if the Airflow Indicator Panel stops receiving data from the digital sensor e Analog RTD This sensor constantly outputs an analog current which corresponds to the measured airflow This current typically falls between 250mA and 500mA for airflow measurements between 0 and 5000 ft min A sensor failure is present if the output current
23. supply 34 Sensor 34 Outputs 35 Displays 35 Alarms 35 Analog signal 35 Corrective Maintenance 37 Parts List 41 Installation 51 Mounting the unit 51 Hooking up input and output wires 55 Turning the unit on 55 Airflow Indicator Panel User s Manual SAFETY PRECAUTIONS AND GENERAL INFORMATION List of Tables Table 1 Product Characteristics 6 Table 2 Qualification tests completed for the Airflow Indicator Panel 6 Table 3 Alphanumeric displays 10 Table 4 Alarms generated for each alarm condition 17 Table 5 What the error messages mean 20 Table 6 Equipment settings 25 Table 7 Inputs and outputs of the Airflow Indicator Panel 36 Table 8 Troubleshooting guide 37 List of Figures Figure 1 Dynalec digital RTD model 62413 200 7 Figure 2 Dynalec pinwheel sensor models 62413 005 and 006 7 Figure 3 Features of the Airflow Indicator Panel 8 Figure 4 Value of LEDs at 1000 ft min alarm set point and 5000 ft min bar graph range 11 Figure 5 Other features of the Airflow Indicator Panel 12 Figure 6 Mode switch behind the front panel 23 Figure 7 Functional block diagram of the Airflow Indicator Panel 31 Figure 8 System schematic 39 Figure 9 Front panel 46 Figure 10 Front view Airflow Indicator Panel cover page 47 Figure 11 A A sectional view Airflow Indicator Panel 49 Figure 12 Bottom view Airflow Indicator Panel 50 Figure 13 Mounting diagram 53 Figu
24. the voltage is still present on only one side of AIRT3 replace Al Power Management PCB Assembly Dynalec P N 62413 145 If the voltage is present on both sides of AIRT3 confirm the connections between W3P1 and TB terminals 3 and 4 If the non functional alarm is the AC Alarm Check fuses F1 and F2 for a blown indication fuse holder will be illuminated ONLY if the AC Alarm is active Replace fuses if necessary If fuses are not blown follow the instructions above for the External Alarm tracing the control signal common to both the External Alarm and the AC Alarm through AIRT3 Ifthe voltage is present on both sides of AIRT3 connect the lead of the meter to terminal 3 of K3 and the lead of the meter to terminal 4 of K3 Confirm that a voltage of approximately 5VDC is obtained while TEST IO is active If this voltage is not present confirm the connections between W3P1 and K3 If the voltage is present replace K3 If the non functional alarm is the Tri State Alarm Connect the lead of a DC meter to the terminal of A2C12 Connect the lead of the meter to pin 5 of A2U8 Confirm that a voltage of approximately 13VDC is obtained while TEST IO is active If not replace A2 Processor Board PCB Assembly Dynalec P N 62413 140 If this voltage is present connect the lead of the meter to pin 17 of AIJI Connect the lead of the meter to the middle leg of A1Q1 Confirm that a voltage of approximately 13
25. unit chassis If no short circuit condition exists connect the lead of a DC meter to the terminal of A2C12 Connect the lead of the meter to pin 3 of A2U8 Confirm that a voltage of approximately 0VDC is obtained If not replace A2 Processor Board PCB Assembly Dynalec P N 62413 140 Repeat the procedure above for Connected External Alarm remains active with no alarm condition If no short circuit condition exists and the proper voltage is measured at pin 3 of A2U8 replace K3 Airflow Indicator Panel User s Manual RID ANAL OUT EXT ALRM AC ALRM SENSOR PINWHEEL TRI STATE salina a p s C N NO T C gt Acc Ac 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 T ST SWTPST 1 2NO 20 1 3 oT F1 2A FL1 pst RI i Ba ys XE GND LINE FILTER LAMP NEON x P Een 2 4 7 NOA 0 5 I Fer I iNO a a sis K3 ke e eg o ALARM 50 ALARM RI CRI 1N645 cR2 PS1 LAMBDA LZS 50 2 t lt d
26. 7 SAFETY PRECAUTIONS AND GENERAL INFORMATION 18 Airflow Indicator Panel User s Manual Operation This section explains how to e Respond to an alarm e Change the brightness of the panel s LEDs e Change the equipment settings Responding to an Alarm During an alarm condition the alphanumeric display flashes the airflow reading and one or more failure messages for 1 second each 1 Press the Silence button to turn off the front panel s audible alarm and any external bell or audible alarm Except for the PWR FAIL message alarm messages are displayed until the alarm conditions are removed 2 Look at the alphanumeric display for a description of the failure s 3 Use Table 5 below to resolve problems and remove the failure messages from the display For troubleshooting other problems see Table 8 in the Corrective Maintenance chapter page 37 Airflow Indicator Panel User s Manual 19 OPERATION Table 5 What the error messages mean Alphanumeric display reads FLOW LOW SNR FAIL AC FAIL BAT FAIL PWR FAIL 20 Means Airflow has fallen below the Alarm Set Point Depends on the sensor type DRTD No data is being received ARTD ma is less than 250 or greater than 500 1000 ft min pinwheel no longer spinning 5000 ft min pinwheel no longer spinning AC power has been lost Battery output is reduced to 9 5V AC power has been lost and the battery has also fail
27. ALLATION 60 Alow Indicator Panel User s Manual
28. CB Assembly Dynalec P N 62413 120 Replace the Display Board 62413 120 If the non functional alarm is the External Alarm Confirm that a 62413 240 Remote Audible Alarm unit is connected to TBI terminals 3 and 4 Confirm that the correct polarity is maintained in the connection between the panel and the Remote Audible Alarm unit If a howler based Remote Audible Alarm unit is connected to the unit damage could result and may be visible to A2U8 Connect the lead of a DC meter to the terminal of A2C12 Connect the lead of the meter to pin 3 of A2U8 Confirm that a voltage of approximately 13VDC is obtained while TEST IO is active If not replace A2 Processor Board PCB Assembly Airflow Indicator Panel User s Manual Airflow Indicator Panel User s Manual FUNCTIONAL DESCRIPTION Dynalec P N 62413 140 If this voltage is present connect the lead of the meter to pin 17 of AIJI Connect the lead of the meter to one of the terminals of AIRT3 Confirm that a voltage of approximately 13VDC is obtained with the meter lead on either side of AIRT3 while TEST IO is active If the voltage is present on neither side confirm the connection of the EXT ALARM 115VAC line in the W2 cable assembly between Al and A2 Replace this cable if necessary If the voltage is present on one side of AIRT3 butnot the other temporarily disconnect the Remote Audible Alarm unit from TB1 and take the measurement again If
29. Dynalec Airflow Indicator Panel Model 62413 100 Users Manual Rev B For parts replacement or technical assistance call Phone 315 483 6923 FAX 315 483 2298 Email sales dynalec com or support dynalec com Internet http www dynalec com 1997 Dynalec All rights reserved Reproduction of this book in whole or in part is strictly prohibited without the written permission of Dynalec Dynalec Corporation 87 West Main Street P O Box 188 Sodus New York 14551 USA Airflow Indicator Panel Contents User s Manual Safety Precautions and General Information 5 Safety Precautions 5 Live circuits 5 Service restrictions 5 Product Characteristics and Qualification Tests 6 Description of the Airflow Indicator Panel 7 Panel features 8 Description of Alarm Conditions 14 Low airflow detected 14 Sensor failure 14 AC power failure 15 Battery failure 15 Total power failure 15 Description of Output Signals 16 External alarm 16 AC alarm 16 Tri state alarm 16 Analog output signal 17 Function of the Silence button 17 Operation 19 Responding to an Alarm 19 Changing Equipment Settings 21 Normal display mode 21 User data entry mode 21 Changing equipment settings 23 Testing the LED Displays Alarm Outputs 27 Functional Description 29 PC Boards 33 PCB potentiometers 33 Inputs 34 Power
30. O VIEW DATA ON THE DISPLAY PRESS SEET AND SCAN THE DISPLAYS INDICATING AND CONTROL PANEL CIRCUIT HF AD N 6 125 Jo 3 50 05 406 DIA MOUNTING HOLES FOR 3 8 BOLTS 3 PLACES 50 db l FE H I ga a a a n N i a N io 1 ie E ra DUD 4 29 Si 1 98 6 94 Figure 13 Mounting diagram Airflow Indicator Panel User s Manual 57 58 blank INSTALLATION Hooking up input and output wires Use the diagram below as a guide to hooking up 1 RTDor pinwheel sensor TB2 1 and 2 or TB2 4 and 5 2 AC input TB2 11 and 12 The other hookups are optional RTD Sensor Pinwheel Tri State Alarm Input ensor In Output Analog or Digital 1000FP tp AC Input or 5000FPM COM NC NO 000000000000 m 0066600600 Analog AC Alarm Output Output External Alarm Output Figure 14 Hookup diagram Turning the unit on The POWER indicator inside the unit DS1 is illuminated when AC input power is present at terminal block TB 2 The ON OFF toggle switch S1 next to the POWER indicator activates deactivates all power to the system Airflow Indicator Panel User s Manual 59 INST
31. SIDE FRONT C PRESS SELECT FOR DESIRED DATA Select Up Down HOLD UP DOWN BUTTONS FOR DESIRED PRESS PUSHBUTTON TO save CHANCES Button Buttons NOTE ONLY ADJUSTABLE DISPLAY WILL FL TO VIEW DATA ON THE DISPLAY PRESS SELECT AND SCAN THE DISPLAYS O Figure 5 Other features of the Airflow Indicator Panel 12 Airflow Indicator Panel User s Manual SAFETY PRECAUTIONS AND GENERAL INFORMATION Front panel buttons Select button Press this button to display the user adjustable equipment settings in the alphanumeric display Equipment settings are described in Table 6 on page 25 Up Down buttons These buttons change an equipment setting when it is displayed in the alphanumeric display in user data entry mode defined on page 21 For example if you press the Select button until the alarm volume setting is displayed you can then press the Up or Down button to change the setting of the alarm volume The options for each setting are described in Table 6 on page 25 Silence button Press this button to silence all audible alarms during an alarm condition Pressing the Silence button has no effect if there is no alarm condition Airflow Indicator Panel User s Manual 13 SAFETY PRECAUTIONS AND GENERAL INFORMATION Description of Alarm Conditions Low airflow detected Sensor failure The Airflow Indicator Panel constantly monitors a variety of conditions which indicate
32. TS LIST 2 PLACES 4 PLACES z AFFIX TO BOTTOM 4 PLACES 454352 07 F BATTERY HOLD A132 DOWN BRACKET e 9009 SH AI AI P O WI er 4 PLACES 6 PLACES oS PS1 CO FARSIDE fe O O p E NI 4 PLACES O NE I 7 pai K3 LS1 LI UD PPE Coa 2 PLACES sea i DI et G A2U3 S i ASI ca vi K2 L DT z E ar C a A1J1 FARSIDE a POLO 2 gt N a a L A214 Y j G O CAUTION F1 2A F2 2A ON 115V j LA L L E Ve t A2 3 PLACES 35 REF W2 XF1 F1 9 PLACES 2 PLACES EN XF2 DS1 m TRS F2 TB1 Figure 10 Front view Airflow Indicator Panel cover open Airflow Indicator Panel User s Manual 51 52 blank PARTS LIST 4 PLACES FOR PSI MOUNTING ON SIDE A 7 4 PLACES EA 4345 E 51157 61 4 PLACES FARSIDE O
33. VDC is obtained while TEST IO is active If the voltage is not present confirm the connection of the TRI STATE ALARM RELAY CONTROL OUT line in the W2 cable assembly between Al and A2 Replace this cable if necessary If the voltage is present move the meter lead to pin 11 of A1JI Confirm that a voltage of approximately 13VDC is obtained while TEST IO is active If not replace Al Power Management PCB Assembly Dynalec P N 62413 145 If the voltage is present confirm the connections between W3P1 pin 11 and K2 pin 7 Also confirm the connections between K1 K2 and CR2 If these connections are acceptable replace K2 39 FUNCTIONAL DESCRIPTION 40 Select Up Down or Silence buttons not functioning Battery not charging Constant display of sensor failure message Check the wiring to each of the push button switches to W1P3 see System Schematic Connect the lead of a DC meter to the terminal of A2C12 Connect the meter lead to terminal 1 of A2J3 Confirm that when the UP button is not pressed the meter reading is approximately 5VDC When the button is pressed the meter reading is approximately OVDC Repeat the above procedure for the DOWN SILENCE and SELECT buttons placing the meter lead on terminals 2 3 and 6 of A2J3 respectively Replace the push button switch es if necessary Allow a few hours with 115VAC connected to the unit for the battery to recharge If several hours have pas
34. ate Mounting 16 Mfr 12763 Dwg 62413 118 Bracket Support Power Supply 17 Mfr 12763 Dwg 62413 135 Bracket Power Supply 18 Mfr 12763 Dwg 62413 137 46 Airflow Indicator Panel User s Manual PARTS LIST Reference Name and Description Figure Designation Number Item Frame Window 20 Mfr 12763 Dwg 62413 127 Enclosure Battery Hold Down 23 Mfr 12763 Dwg 62413 138 Screw Hex 4 20 x 1 00 mod 26 Mfr 12763 Dwg 62413 027 Gasket Cover 27 Mfr 18565 Part 07 0101 0300 Dwg 62413 153 Name Plate 29 Mfr 12763 Dwg 62413 031 Label Caution 5 8 x 1 1 2 33 Mfr 85480 Part W0 11 Dwg 61722 047 Bracket Terminal Board Mounting 34 Mfr 12763 Dwg 62413 133 Shield 35 Mfr 12763 Dwg 62413 134 Frame Screen Vent 41 Mfr 12763 Dwg 62413 158 Standoff Hex 1 4 x 1 2 6 42 Mfr 06540 Part 8215 SS 0632 7 Dwg 12520 436 Washer Flat 8 375 OD 049 thick 43 Mfr 96906 Part MS15795 807 Dwg 12211 007 Screen Vent 44 Mfr 12763 Dwg 62413 157 Washer Lock 8 040 thick 45 Mfr 96906 Part MS35338 137 Dwg 12203 004 Screw MACH PNH XREC 6 32 x 1 2 46 Mfr 96906 Part MS51957 30 Dwg 12119 003 Standoff Male Female 6 32 47 Mfr 12763 Dwg 62413 156 Standoff Hex 1 4 x 3 8 6 32 48 Mfr 06540 Part 8213 SS 0632 7 Dwg 12520 428 Standoff 1 4 Hex 6 15 16 49 Mfr 12763 Dwg 62413 162 Airflow Indicator Panel User s Manual 47 PARTS LIST Reference Figure Name and Description Designation Number It
35. ditions alarm conditions are described in the section Description of Alarm Conditions below To turn off this alarm press the Silence button Figure The tone s volume can be changed see the section Changing equipment settings on page 21 Directly below the audible alarm speaker are two LEDs the alarm LED and the battery LED The alarm LED is lit during an alarm condition see the section Description of Alarm Conditions It remains lit until alarm conditions are removed It does not turn off when you press the Silence button The battery LED blinks periodically while the equipment is running on AC power to show the system is periodically checking the battery When the LED is lit rather than blinking it means the system is operating on internal battery power O SPLAY FUNCTION AIRFLOW FT MIN P ALARM SET POINT LO U LD AIRFLOW ALARM DELAY SEC CD AC POWER LOSS DELAY SEC R BARGRAPH RANGE G L ALARM VOLUME DISPLAY DIMMER BELOW k ABOVE SP DATA SAMPLE RATE S P R SENSOR TYPE W exe QI G G ZW gt gt gt C AT FAIL BATTERY FAILURE WR FAIL TOTAL PWR FAILURE R FAIL SENSOR FAILURE LOW LOW FLOW BELOW LIMIT FAIL AC PWR FAILURE Alarm LED nO HEH se Silence Button SELECT SILENCE TO MODIFY ADJUSTABLE DATA SETTINGS Battery LED PRESS PUSHBUTTON ON IN
36. e of approximately 0VDC is obtained If not replace Al Power Management PCB Assembly Dynalec P N 62413 145 Ifthe voltage is present confirm the connections between W3P1 pin 11 and K2 pin 7 Also confirm the connections between K1 K2 and CR2 If these connections are acceptable replace K2 41 FUNCTIONAL DESCRIPTION 42 Inaccurate Null Analog Output Connected External Alarm remains active with no alarm condition Connected AC Alarm External Bell remains active with no alarm condition Check for continuity between terminal 16 of A2U22 and terminal 5 of A2J4 If no continuity replace A2 Processor Board PCB Assembly Dynalec P N 62413 140 Check for continuity between terminal 16 of A2U22 and terminal 5 on A1J2 If no continuity check the ANALOG OUT line in the W2 cable assembly between A1 and A2 Replace W2 if necessary Check for continuity between terminal 16 of A2U22 and terminal 23 of AlJ1 If no continuity replace Al Power Management PCB Assembly Dynalec P N 62413 145 Check for continuity between terminal 16 of A2U22 and terminal 1 of TB1 If no continuity check the ANALOG SIGNAL OUT line connected to terminal 23 of W3P1 Replace W3 if necessary Check for a short between terminal 16 of A2U22 and the unit chassis Disconnect W2P4 from A2J4 If External Alarm remains active check for a short circuit condition between the EXT ALARM 115VAC line of W2 connected to terminal 9 of W2P4 and the
37. ed Action to take Increase the airflow through the duct Check the sensor check connections Check the power source open the Airflow Indicator s front panel and check the terminal board connection to AC power Battery is reaching the limit of its capability to support the system Restore AC power If AC power is present and the battery is not charging you may need to replace the battery Press the Silence button to remove the message Check the power source open the Airflow Indicator s front panel and check the terminal board connection to AC power Airflow Indicator Panel User s Manual OPERATION Changing Equipment Settings The Airflow Indicator Panel has two modes of operation normal display mode and user data entry mode Normal display mode In normal display mode the alphanumeric display shows the absolute airflow reading and any failure messages If you press the Select button repeatedly the display cycles through the list of equipment settings and back to the airflow reading While in normal display mode the only equipment setting you can change is the brightness of the alphanumeric and LED displays If you press Select until the alphanumeric display shows the DIM code the display begins flashing meaning that you can change this setting using the Up and Down buttons User data entry mode You can change all equipment settings in user data entry mode This simply makes the display of equipment set
38. em Screw MACH PNH XREC 4 40 x 3 8 Mfr 96906 Part MS51957 15 Dwg 12108 002 Screw MACH PNH XREC 6 32 x 5 16 Mfr 96906 Part MS51957 27 Dwg 12119 022 Screw MACH PNH XREC 8 32 x 3 8 Mfr 96906 NUT PL Hex 4 40 093 thick Mfr 96906 Dwg 12301 002 Part MS51957 43 Dwg 12130 002 Part MS35649 244 Screw MACH PNH XREC 1 4 20 x 1 2 Mfr 96906 Washer Flat 1 4 Mfr 81349 Washer Flat 4 312 OD Mfr 96906 Washer Flat 6 375 OD Mfr 96906 Part MS51957 79 Dwg 12193 003 Part AN960C 416 Dwg 12213 007 Part MS15795 804 Dwg 12211 004 Part 5795 806 Dwg 12211 006 Screw MACH PNH XREC 8 32 x 1 2 Mfr 96906 Washer Flat 1 4 734 OD Mfr 96906 Washer Lock 4 025 thick Mfr 96906 Washer Lock 6 Mfr 96906 Gasket Terminal Tube Plate Mfr 18565 Washer Lock 1 4 Mfr 96906 48 Part MS51957 45 Dwg 12130 003 Part 5795 811 Dwg 12211 011 Part MS35338 135 Dwg 12203 002 Part MS35338 136 Dwg 12203 003 Part 07 0101 0377 Dwg 62413 154 Part MS35338 139 Dwg 12203 006 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Airflow Indicator Panel User s Manual PARTS LIST Reference Name and Description Figure Designation Number Item Nut PL Hex 6 32 108 thick 64 Mfr 96906 Part MS35649 264 Dwg 12301 003 Washer Lock EXT No 6 65 Mfr 96906 Part MS35335 58 Dwg 12202 003 PH Screw SS XREC M4 7 x
39. ital Filtering External Piezoelectric Device Data Averaging Ua Alarm Set Point Analysis Delay Generators RTD Supply siii External 120VAC Bell Digital arm Signa ontro 2Arms MAX Decoding Battery Monitoring Indicator LED Control RTD Supply TB2 9 10 Tri state Analog Sensing i Alarm IC SM Alarm Panel A D Conversion Display Control Internal Battery Filtering Displays alphanumeric bargraph AC DC Supply and indicator LEDs 31 32 blank PC Boards FUNCTIONAL DESCRIPTION The Airflow Indicator Panel consists of three PC boards Their main functions include PCB potentiometers Power Management Board Dynalec part 62413 145 Battery charging main DC regulation supply battery relays and pinwheel input signal buffering Display Board Dynalec part 62413 120 Alphanumeric display control and driving bar graph display control and driving and alarm indicator LED control and driving Processor Board Dynalec part 62413 140 All other functions described in the functional block diagram are performed by the processor board The Mode switch is also located on this PC board There are three potentiometers on the PC boards in the Airflow Indicator Panel two on the Processor Board and one on the Power Management Board Caution Airflow Indicator Panel User s Manual These pots are factory adjusted and locked in position No further adjustment is required Incorrect adjustment of these p
40. larms will have to be silenced again after the TEST IO function is completed Airflow Indicator Panel User s Manual 27 OPERATION 28 Airflow Indicator Panel User s Manual Functional Description The Airflow Indicator Panel Model 62413 100 is a microprocessor based system designed to combine user friendliness and flexibility with accurate airflow sensing in ductwork The system can be adjusted by the user to optimize its performance in specific environments This section describes the Airflow Indicator Panel s e Three internal PC boards e Input and output functions including power supply sensor input signals outputs to displays and alarm outputs and signal Following is a functional block diagram for the Airflow Indicator Panel and its associated interfacing equipment Airflow Indicator Panel User s Manual 29 FUNCTIONAL DESCRIPTION 30 Airflow Indicator Panel User s Manual Pinwheel Sensor 1000 ft min Dynalec Model 62413 005 Pinwheel Sensor 5000 ft min Dynalec Model 62413 006 Digital RTD Sensor Dynalec Model 62413 200 Analog RTD Sensor AC Input Power 115VAC nom 47 440Hz Figure 7 Functional block diagram of the Airflow Indicator Panel Airflow Indicator Panel User s Manual FUNCTIONAL DESCRIPTION Airflow Indicator Panel Dynalec Model 62413 100 D A Conversion Microprocessor Block Analog Voltage Detector 0 10V range Frequency Detection Data Collection Dig
41. n OPERATION Notes For display only Minimum desirable airflow Represented by the yellow LED in the bar graph display This setting works in conjunction with the alarm delay see the following table entry setting to determine when a FLOW LOW alarm condition is present Length of time that measured airflow is below the alarm set point before a FLOW LOW alarm condition is generated and alarms are triggered This delay prevents temporary fluctuations in airflow from activating the alarms Length of time that power is lost before an AC FAIL alarm condition is generated and alarms are triggered This delay prevents temporary power losses from activating the alarms Upper end of the bar graph display range This setting and the alarm set point see the first table entry together determine the relative value of the green LEDs in the bar graph display For example with an alarm set point of 1000 ft min and an upper end set at 5000 ft min each green LED represents 800 ft min of airflow above the alarm set point For an explanation of how this is calculated see the section Bar graph display on page 11 The time period for which airflow readings will be averaged before updating the display This prevents the display from flickering 25 OPERATION Display SNR TEST IO 26 Definition Sensor type Simultaneous test of all LEDs and audible alarms including external Default value DRTD
42. or airflow data output from the sensor This connection provides airflow data from a pinwheel type sensor to the alphanumeric display This connection provides an analog voltage between 0 and 10 VDC proportional to the measured airflow where 0V 0 ft min and 10V 1000 ft min for the 1000 ft min pinwheel sensor and 5000 ft min for all other sensors The maximum load this output is capable of driving is 3 5mA This connection provides a voltage of 11 VDC 20 during the alarm conditions specified in Table 4 on page 17 The output is in a high impedance state for non alarm conditions The maximum load this output is capable of driving is 100mA This connection provides a voltage of 115 VAC 10 47 440 Hz 10 derived from input AC power during the alarm conditions specified in Table 4 on page 17 The output is in a high impedance state for non alarm conditions The maximum load this output is capable of driving is 1 5 Arms These connections provide isolated contact closures opens or fixed resistances during the alarm conditions specified in Table 4 on page 17 During normal operation both NC and NO outputs present a fixed 6 8 KQ impedance During alarm conditions a resistance of less than 1Q is presented across the NO contacts and a resistance greater than 100K is presented across the NC contacts During fault conditions Table 4 a resistance of greater than 100K is presented across the NO contacts and a resistance
43. ots may lead to inaccurate operation of the Airflow Indicator Panel 33 FUNCTIONAL DESCRIPTION Inputs Power supply Sensor 34 The Airflow Indicator Panel incorporates a switching AC DC power supply for controlled efficient operation when AC power is being supplied to the unit The AC line is filtered to reduce EMI see Table 2 Qualification tests completed for the Airflow Indicator Panel on page 6 Additional filtration and regulation of the power supply as well as the battery charging circuitry are present on the Power Management Board 62413 145 Since the presence of main AC input power to the unit is constantly monitored by the system s microprocessor the system automatically switches to internal battery power if input power is lost The system can operate off a fully charged battery for a minimum of 30 minutes The recharge time for a fully discharged battery to full charge is approximately 20 hours As described in the Operation chapter the Airflow Indicator Panel can work with four sensor models The digital RTD sensor Dynalec 62413 200 receives its power from the Airflow Indicator Panel and transfers airflow data to the system digitally By transferring data in this fashion the airflow data is not subject to varying line conditions and is less susceptible to noise The Airflow Indicator Panel in turn decodes the data and performs any filtering or averaging necessary before to sending the information
44. ove the alarm set point The actual value in feet per minute of each LED depends on the combination of the alarm set point and the upper end of the bar graph range two settings which you can change As shipped from the factory the alarm set point is set at 1000 feet per minute and the upper end of the bar graph range is set at 5000 feet per minute Figure 4 below shows the value of each LED at these settings e ee Silenc SelectUp Down R 0 333 ft min F 1801 2600 ft min 334 666 ft min G 2601 3400 ft min 667 999 ft min H 3401 4200 ft min 1000 ft min alarm set point l 4201 5000 ft min 1001 1800 ft min Figure 4 Value of LEDs at 1000 ft min alarm set point and 5000 ft min bar graph range To get the number of feet per minute represented by the green LEDs subtract the alarm set point setting from the bar graph range setting and divide the result by 5 since there are five green LEDs To get the number of feet per minute represented by the red LEDs divide the alarm set point by 3 since there are three red LEDs Using the example of the factory installed settings given above 5000 ft min 1000 ft min 5 green LEDs 800 ft min per green LED 1000 ft min 3 red LEDs 333 ft min per red LED Airflow Indicator Panel User s Manual 11 SAFETY PRECAUTIONS AND GENERAL INFORMATION Audible and LED alarms An audible alarm at the upper right of the front panel emits a loud tone during most alarm con
45. play Bit 7 DCRTN Control Bit DCRTN No Connection LED Latch Control LED 5 Green No Connection No Connection No Connection ALARM LED Control No Connection No Connection No Connection No Connection No Connection No Connection No Connection No Connection No Connection No Connection Dim Voltage Supply Dim Voltage Bimpfpltage Bimplpltage Supply vi ERZ V14D201 CSI Lr va U ERZ v14D201 Dei s1 Di 3NC oA 1 H S 2NC 16 47 ANC A3 PCB Assy Display Board Assy 62413 120 Detail 62413 121 Schematic 62413 122 CORRECTIVE MAINTENA NCE 43B 44B blank Parts List This chapter contains A list of parts you may need to reorder e Diagrams of the front panel front and rear views of the internal boards and bottom view of the panel showing part placement Reference Name and Description Figure Designation Number Item A3 PCB Assembly Display Board See Ref Mfr 12763 Dwg 62413 120 A2 PCB Assembly Processor Board See Ref Mfr 12763 Dwg 62413 140 Al PCB Assembly Power Management Board See Ref Mfr 12763 Dwg 62413 145 LS1 Sonalert 2 12V 82 103 DBA 29 KHZ See Ref Mfr 56493 Part XC 09 212 S Dwg 62413 109 Lens LED Panel Mount Red 5 Mfr 91802 Part 4341 Dwg 14101 070 Lens LED Panel Mount Yellow 6 Mfr 91802 Part 4347 Dwg 14101 071 TB1 TB2 Terminal Board See Ref Mfr 81349 Part 26TB12F Dwg 14088 005 PS1 Power Supply 15V 3 4A 60C See Ref Mfr 80103 Part LZS 50 2 ob
46. r Panel User s Manual 5 SAFETY PRECAUTIONS AND GENERAL INFORMATION Product Characteristics and Qualification Tests The following tables describe the Airflow Indicator Panel s specifications and the qualification tests completed for this equipment Table 1 Product Characteristics Part Number Input Power Requirements Operating Temperature Range Overall Dimensions Weight Test Vibration Shock EMI General Examination Dielectric Strength Insulation Resistance Steady State Voltage and Frequency Transient Voltage Transient Frequency Power Interruption Power amp Power Factor Spike Voltage Enclosure Temperature Humidity 62413 100 115 VAC 10 47 440 Hz 10 50W max externally fused at 2A 28 C to 65 C 10 16 high x 13 0 wide x 8 0 deep 18 5 Ibs Specification MIL STD 167 1 MIL S 901D MIL STD 461C MIL E 16400G MIL E 16400G MIL E 16400G MIL E 16400G MIL E 16400G MIL E 16400G MIL E 16400G MIL E 16400G MIL E 16400G Table 2 Qualification tests completed for the Airflow Indicator Panel MIL STD 108E Drip proof 45 MIL E 16400G Operating range 28 to 65 C MIL STD 810C Method 507 1 Procedure IV Airflow Indicator Panel User s Manual SAFETY PRECAUTIONS AND GENERAL INFORMATION Description of the Airflow Indicator Panel The Dynalec Model 62413 100 Airflow Indicator Panel monitors the airflow present in ducts displays the absolute airflow in feet minute on an
47. re 14 Hookup diagram 55 4 Airflow Indicator Panel User s Manual Safety Precautions and General Information This section contains e Safety procedures to follow before servicing or adjusting this equipment e Equipment specifications e List of qualification tests performed on this equipment e A description of the front panel of this equipment Safety Precautions During normal operation there is no danger from high voltage circuitry High voltage circuitry is housed inside the unit behind a Plexiglas panel However high voltages are present in this equipment Remove power before replacing boards or reconfiguring internal wiring Live circuits Operation of this equipment requires the use of high voltages which may be dangerous to life Operating and maintenance personnel must perform the following when working on any part of the equipment 1 Before working inside the unit de energize the 115VAC primary power to the equipment 2 Tag the circuit where it is de energized to warn other personnel so they DO NOT energize the circuit 3 Discharge and ground circuits after they are de energized before touching them Service restrictions DO NOT service or adjust equipment alone Under NO circumstances should any personnel reach into an energized enclosure for any purpose including servicing and adjustment without the immediate presence or assistance of another person capable of rendering aid Airflow Indicato
48. sed with 115VAC present and the DC voltage across the battery is still not 10 13VDC remove the connection from the terminal of the battery and insert a DC ammeter Confirm that charging current is flowing into the battery If no current is flowing into the battery confirm the connections between BT1 and W3P1 through S1 see System Schematic If connections are acceptable replace Al Power Management PCB Assembly Dynalec P N 62413 145 If current is flowing into the battery but after several hours the voltage across the battery terminals is not increasing replace BT1 Verify that the sensor setting i e SNR matches the type of sensor connected to the panel and that the proper input terminals on TB2 are being used i e 1 and 2 for ARTD or DRTD 4 and 5 for 1PIN or 5PIN For RTD type sensors confirm the correct polarity has been observed If a pinwheel sensor is being used and the airflow is too low to spin the pinwheel the SNR FAIL message will remain If this is not the problem confirm the connections between the sensor and the unit Then confirm the connection between terminals 4 and 5 of TB2 and terminals 22 and 14 of A1J1 respectively Connect the lead of a DC meter to the terminal of A1C3 Connect the meter lead to terminal 4 of A1J2 Confirm that with the pinwheel sensor spinning a voltage of approximately 2 3VDC is obtained If this voltage is not obtained replace Al Power Management PCB As
49. sembly Dynalec P N 62413 145 If this voltage is obtained move the meter lead to terminal 14 of A2U21 and again confirm the 2 3VDC voltage If this voltage is not obtained check the connection of the PINWHEEL INPUT line in the W2 cable assembly between Al and A2 Replace W2 if necessary If sensor connections to the unit are acceptable confirm the connection between terminals 1 and 2 of TB2 and terminals 17 and 21 of A1J1 respectively Then confirm the connection between terminals 1 and 2 of TB2 and terminals 8 and 6 of A 1J2 respectively Airflow Indicator Panel User s Manual Constantly active audible alarm SILENCE button has no effect AUX INIT Message on power up Connected Tri State Alarm IC SM Alarm remains active with no alarm condition Airflow Indicator Panel User s Manual FUNCTIONAL DESCRIPTION If this connection is not acceptable replace Al Power Management PCB Assembly Dynalec P N 62413 145 If connections are acceptable confirm the connection between terminal 2 of TB2 and terminal 7 of A2U16 If this connection is not present confirm the terminal 7 of A2U16 is connected to terminal 6 of A2J4 Check the connection of the RTD INPUT line in the W2 cable assembly between Al and A2 Replace W2 if necessary If all connections have been confirmed as acceptable replace the sensor Check input power leads for ground fault condition short to hull Check WI cable assembly for shorts to
50. solete Dwg 62413 155 Mfr 85604 Part RAX12 4 2K alternate Dwg 62413 166 BTI Battery 12V 3 2 AH 8 2 3 See Ref Mfr 15546 Part PS 1252 Dwg 62413 161 S2 S3 Switch PCB MOM SP Panel Mount 120H See Ref S4 S5 Mfr 63426 Part SB4011NOH E Dwg 14122 405 WI Cable Assembly A Panel to Processor PCB See Ref Mfr 12763 Dwg 62413 163 Airflow Indicator Panel User s Manual 45 PARTS LIST Reference Name and Description Figure Designation Number Item W2 Cable Assembly B Processor PCB to Power Mgmt PCB See Ref Mfr 12763 Dwg 62413 165 W3 Cable Assembly C Power Mgmt PCB to Terminal Board See Ref Mfr 12763 Dwg 62413 167 FLI Power Line Filter 120 VAC 3A 10K See Ref Mfr 05245 Part 3EZ1 Dwg 14108 036 FL2 Power Line Filter 120 VAC 3A 10K See Ref Mfr 05245 Part 3VQ1 Dwg 14108 037 K3 Hockey Puck Solid State Relay See Ref Mfr 77342 Part SSRT 240D10 Dwg 14102 077 XFI XF2 Fuse Holder See Ref Mfr 81349 Part FHL 17G1 Dwg 14049 003 F1 F2 Fuse Cart 2A 250V See Ref Mfr 81349 Part F03B250V2A Dwg 14050 028 XDSI Indicator Light See Ref Mfr 72619 Part LH74 1LC13CN2 Dwg 14101 002 DS1 Lamp Glow Neon C7A NE 2D See Ref Mfr 81349 Part M15098 11 001 Dwg 16053 S1 Switch 3 PDT Toggle See Ref Mfr 85746 Part 8B3011A Dwg 14124 001 01 Relay Assembly 105 Mfr 12763 Dwg 62413 117 Plate Terminal Tube 7 Mfr 12763 Dwg 62413 024 1 Spacer Power Supply 11 Mfr 12763 Dwg 62413 132 Enclosure 15 Mfr 12763 Dwg 62413 015 1 Pl
51. the Airflow Indicator Panel s Processor Board see Table 7 for detailed description of the alarm signals The main switching device for the AC alarm output is the solid state relay K3 The main switching devices for the tri state alarm output are relays K1 and K2 Analog signal The Airflow Indicator Panel provides a 0 10V output proportional to the measured airflow Depending on the sensor that is providing the measurement the microprocessor sends data to the D A converter on the Processor Board 62413 140 for conversion For all sensors other than the 1000 ft min pinwheel the D A converter outputs 0Vdc for a 0 ft min airflow and 10Vdc for a 5000 ft min airflow For the 1000 ft min sensor the converter outputs 0Vdc for a 0 ft min airflow and 10Vdc for a 1000 ft min airflow Airflow Indicator Panel User s Manual 35 FUNCTIONAL DESCRIPTION Table 7 Inputs and outputs of the Airflow Indicator Panel Signal AC input power RTD sensor input Pinwheel sensor input Analog output External alarm output AC alarm output Tri state alarm output 36 Connection TB2 11 to TB2 12 TB2 1 to TB2 2 TB2 4 to TB2 5 TB1 1 to TB1 2 TB1 3 to TB1 4 TB1 6 to TB1 9 TB2 9 to TB2 8 NC TB2 10 to TB2 8 NO Description 115 VAC 10 47 to 440 Hz 10 This input should be fused at 2A externally This connection provides power to both types of RTD sensors while also providing the path f
52. tings flash on and off and activates the Up and Down buttons To enter user data entry mode press a switch behind the front panel called the Mode switch When you press the Mode switch the absolute airflow reading on the front panel and any failure messages are displayed with an underscore _ after the three character code If you then press the Select button to scroll through the equipment settings the display flashes on and off second on LG second off If you press the Mode switch again the underscore disappears or the equipment settings stop flashing and you have returned to normal display mode If you should walk away while the equipment is in user data entry mode the system will automatically return to normal display mode within five minutes after the last button press Airflow Indicator Panel User s Manual 21 OPERATION How to make changes in user data entry mode To change a setting you press the Select button repeatedly until you see its three letter code in the alphanumeric display You then press the Up or Down button to adjust the setting Some settings have wide ranges of values to select from For example the alarm set point ASP can be set to a value between 10 and 5000 ft min For these settings you can rapidly scroll through the range by holding down the Up or Down button rather than just pressing it repeatedly The setting display wraps around to the low end of the range after reaching the high
53. to the display The analog RTD sensor also receives its power from the Airflow Indicator Panel but the airflow data is transferred in the form of analog current variations These variations are sensed by the Airflow Indicator Panel and then digitized and processed like the Digital RTD sensor data The pinwheel sensors Dynalec s 62413 005 and 006 are passive devices They provide switch closures which occur at a frequency corresponding to the measured airflow This frequency is detected by the Airflow Indicator Panel and processed like the RTD sensor data Airflow Indicator Panel User s Manual FUNCTIONAL DESCRIPTION Outputs Displays The Airflow Indicator Panel uses several types of displays The 8 digit alphanumeric display consists of 14 segment LED displays The control and drive of these displays are included on the Display Board Dynalec 62413 120 The bar graph display consists of nine discrete LEDs The control and drive of these displays are also included on the Display Board The Airflow Indicator Panel s TEST IO feature is an easy way to test all LEDs in the system including those in the alphanumeric displays the bar graph display and the alarm and battery indicators Alarms The system microprocessor controls all alarm outputs including e Front panel alarm LED e Front panel audible alarm e External alarm e AC alarm signal e Tri state alarm The control of all alarm outputs is included on
54. u can review these setting by pressing the Select button Each press of the Select button displays a different setting until the display returns to the airflow measurement display If you should walk away after displaying a setting the display automatically returns to normal display mode after five minutes There are eight equipment settings plus a setting for testing all alarms and LEDs All the possible displays are listed in Table 3 following The four digit values shown for alarm set point ASP through sensor type SNR are the factory default settings Airflow Indicator Panel User s Manual 9 SAFETY PRECAUTIONS AND GENERAL INFORMATION Table 3 Alphanumeric displays Airflow reading FPM 4500 Failure messages FLOW LOW To respond to an alarm touch SNR FAIL the Silence button to turn off the audible alarms Then see the section Responding to AC FAIL alarms on page 19 BAT FAIL PWR FAIL Equipment settings ASP 1000 To change any of these ALD 0010 settings see the section Changing equipment settings on page 21 ACD 0010 BGR 5000 VOL 0007 DIM 0007 DSP 0030 SNR DRTD TEST IO Absolute airflow ft min Low airflow airflow falls below the alarm set point Sensor failure AC power loss Battery power is low Total power failure loss of AC and battery power displayed when power returns to the equipment Airflow threshold ft min at which alarms are triggered the alarm
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