background image

Donaldson Company, Inc.

32

Checker board Assembly Kit

Parts Drawing 5, Checkerboard Assembly Kit

5-1

5-3

5-4

5-5

5-2

Summary of Contents for Checker board

Page 1: ...rvice and Replacement Parts Information This manual is property of the owner Leave with the unit when set up and start up are complete Donaldson Company reserves the right to change design and specifications without prior notice PANEL STOP CLEAN START CLEAN SERVICE INTERVAL SET POINT ADJUSTMENT CONSTANT CLEAN DOWN TIME CLEAN SERVICE INTERVAL LIGHT RESET AIR FLOW SET POINT INDICATOR FILTER PRESSURE...

Page 2: ...e present consult with an installer of fire extinguishing systems familiar with these types of fire hazards and local fire codes for recommendations and installation of fire extinguishing and explosion protection systems Donaldson dust collection equipment is not equipped with fire extinguishing or explosion protection systems DO NOT allow sparks cigarettes or other burning objects to enter the ho...

Page 3: ...__________________________________________________________________ Accessories ____________________________________________________________________________ Other ____________________________________________________________________________ Contents Checker board Control Panel 4 Inspection on Arrival 4 Operation 4 Pulse Cleaning Operation 4 Standard Features 6 ON Display 6 Airflow 6 Filter Pressure ...

Page 4: ...o 1 141 Supplies Required Conduit 1 2 and 3 4 in Grounding lugs Elbow connectors Wire ties Straight connectors Wire nuts Wire green white black red 16 14 or 12 awg Operation The Checker board is used to control diagnose and troubleshoot Donaldson Torit dust collectors The microprocesser based control can be programmed to control solenoid valves used for filter cleaning control the blower motor sta...

Page 5: ...operational status from a remote location and retrieval of current operating conditions Using host computer software addressing one computer can provide setpoint adjustment start stop and monitoring of numerous collectors The board also accepts a remote ON OFF push button or an external control voltage source to actuate the board Checker board Display Panel PANEL STOP CLEAN START CLEAN SERVICE INT...

Page 6: ...mately 25 33 percent of the full rated airflow One light is illuminated at a time and indicates the relative position within the range Included with the enclosure are two stickers to be used on the Checker board display Apply one sticker under the circles on the airflow display Write in the appropriate airflow as measured in the system These measurements can be determined during start up and calib...

Page 7: ...nt buttons For example if the START CLEAN button is pressed an amber light above the key will glow and the setpoint bar graph will change to show the setpoint Use the arrow keys to change the setpoint The lights in the setpoint indicator bar graph display will show the new value When the adjustment is complete press the START CLEAN button again and the amber indicator light will go out The bar gra...

Page 8: ...intenance required window contains a group of diagnostic functions that indicate an abnormal conditions The service interval indicator allows you to schedule routine service as required by your system Each of the fault indicator lights with the exception of the service interval is either reset each time you press the OFF button or reset automatically when the abnormal condition ends A fault light ...

Page 9: ... system airflow exceeds the rated operating range Changing the damper settings or increasing the external static pressure are ways of reducing the airflow Operating the collector before installing ductwork with filter cartridges removed with the doors removed or with the hopper open to the atmosphere will also create excess flow conditions Blower Rotation This fault light indicates that the blower...

Page 10: ...the point that they are not readable Included with the Checker board is 35 ft of each of the pneumatic lines Contact Donaldson if the sensor lines must be longer than 250 ft Thermistor Connect the temperature sensor to the appropriate connection point on the Checker board using grounded shielded twisted pair wire 50 ft included in metal conduit Locate the thermistor and thermowell inside the clean...

Page 11: ...mber air regulator bleed type air filter compressed air supply automatic condensate valve shut off valve see Fitting Detail thermowell assembly manifold diaphragm valve solenoid enclosure Checker board control cover removed low pressure safety filter to additional manifolds as required ...

Page 12: ... pass through the current sensor coils There are three jumper plugs on the main printed circuit board as shown in Jumper Position The three jumpers must be in the same position for proper performance Reference the wiring diagram supplied with the Checker board Jumper Position Motor Current Sensor Setup Table Blower Motor Full Load Amp 50 Amp Current Sensor Jumper Position 100 Amp Current Sensor Ju...

Page 13: ... as relays Incoming Voltage Neutral In Neutral Out This is the neutral connection for the primary voltage source The primary connection attaches to the IN side The OUT side provides common connections to the other output connections such as relays ON OFF Power to the Checker board should be ON at all times except while being serviced The remote ON OFF provides control of the Checker board status w...

Page 14: ... method of indicating a time based service interval If the service interval light is controlled by the internal clock EXT IN 1 functions the same as 2 through 5 EXT IN 2 through 5 External input 2 through 5 provides for an external input from customer specified indication devices One terminal connects to neutral The second terminal connects to a voltage source either 120 Volt AC or 24 Volt DC thro...

Page 15: ...connection located closest to the edge of the printed circuit board that provides the computer interface allows remote ON OFF setpoint adjustment and monitors conditions by a host computer Contact Donaldson for information related to communication requirements Serial Ports TEMP 1 The Temperature TEMP 1 is the connection for the thermistor that monitors the air temperature in the clean air chamber ...

Page 16: ...hat starts and stops the system blower Relays 2 and higher provide control of the system solenoid valves used for filter cleaning The relay outputs can be 115 Volt AC or 24 Volt DC The 24 Volt DC version has a transformer that supplies DC current to the relays The 24 Volt DC version leaves Relay 2 blank to separate the 115 or 230 Volt AC motor starter voltage from the 24 Volt DC used for the solen...

Page 17: ...auses the optocoupler to pass a DC logic signal to a connected PLC for approximately 0 5 seconds Typical circuits to use this signal are illustrated in Signal Terminal Signal Terminal ground 100 240 Volt AC signal signal ground 100 240 Volt AC 100 240V AC DC OUT DC IN 0 1 2 3 4 5 6 7 10 L N 24 V 0 V COM 100 240V AC DC OUT DC IN 0 1 2 3 4 5 6 7 10 L N 24 V 0 V COM PLC Sensor DC Power Supply PLC and...

Page 18: ...h a section of tubing from the clean air chamber to the low pressure fitting on the enclosure Attach a section of tubing from the dirty air chamber to the high pressure fitting Connect a section of 1 4 in OD 120 psi rated tubing from the collector s manifold at the point closest to the hookup of the plant air supply to the compressed air line pressure tap on the enclosure An installation drawing h...

Page 19: ...C Pulse ON Time Factory set at 100 milliseconds or 1 10 second Note Do not adjust pulse ON time unless the proper test equipment is available Too much or too little ON time can cause shortened filter life Pulse OFF Time Factory set at 10 seconds The pulse OFF time can only be adjusted by modifying the parameters contained in the microprocessor software Contact your representative for assistance Op...

Page 20: ...rect airflow Configure the system at the maximum airflow used in normal operation of the system For example clean filters blower inlet or outlet damper open to the maximum flow and operation within the horsepower rating of the motor 1 Turn the motor ON and allow it to run for at least one hour to stabilize the operating temperature and amp draw The motor amp draw may decrease due to run in of bear...

Page 21: ...LEAN button until the indicator light goes out Press and hold the airflow setpoint push button on the main printed circuit board until the fault indicator light goes out 6 The computer automatically assigns values for all the lights in the airflow light bar based on calibration values registered by the procedure above The computer automatically assigns a blower overcurrent value based on 120 perce...

Page 22: ... the initial reading As the filter cartridge ages the settings need to be adjusted to maintain stable pressure drop without continuous pulsing Do not set the STOP CLEAN at the initial reading as this will clean down to new filter pressure drop A dust cake increases filter efficiency and attempting to maintain the initial reading uses excess compressed air Service Interval The service interval is a...

Page 23: ... 13 Voltage outside the system limits Provide external transformer circuit Temporary low or high voltage Turn Checker board OFF and restart when brownout conditions are corrected System is in the Airflow Configuration mode Complete airflow configuration settings and return to normal mode See Mode Display on Page 8 Component failure Contact your Donaldson Torit representative Cleaning Failure fault...

Page 24: ...xisting cartridges with cartridges having a higher temperature rating Contact your Donaldson Torit representative to reset the fault indicator setpoint Fire Extinguish fire and replace cartridges as required Eliminate all sources of ignition before restarting the unit Short circuit Check twisted pair wire Replace if damaged Water in thermowell Replace thermowell assembly Service Interval fault lig...

Page 25: ...ction from the compressed air manifold to the sensor Install a pipe or tube providing compressed air to the pressure sensor fitting on the enclosure Leak in the sensor line or the tubing has come loose from the fittings Check for and repair any loose fittings or damaged tubing inside the enclosure Supply line to the manifold too small Increase the size of the compressed air supply line to the coll...

Page 26: ...the zero point every time the board goes into the active mode If the blower is already operating when the board enters the active mode or if there is any pressure on either side of the Delta P sensor the calibration will be incorrect To correct turn the blower OFF leaving the Checker board powered and in the inactive mode for two minutes Check that the Checker board enters the active mode before o...

Page 27: ...N COMPRESSED AIR PANEL STOP CLEAN START CLEAN SERVICE INTERVAL SET POINT ADJUSTMENT CONSTANT CLEAN DOWN TIME CLEAN SERVICE INTERVAL LIGHT RESET AIR FLOW SET POINT INDICATOR FILTER PRESSURE DROP P MAINTENANCE REQUIRED PANEL CLEANING FAILURE FILTER RUPTURE FILTER PLUGGED TEMPERATURE SERVICE INTERVAL BLOWER OVERCURRENT Checker board Display Label DFT Checker board Display Label SDF 1 1 1 2 Parts Draw...

Page 28: ...c Installation clean air chamber dirty air chamber air regulator bleed type air filter automatic condensate valve shut off valve manifold diaphragm valve solenoid enclosure to additional manifolds as required 2 14 2 2 2 1 2 3 2 4 2 5 2 6 2 7 2 4 2 8 2 9 2 10 2 13 2 12 2 11 ...

Page 29: ...in FPT Adapter All OJS 8PP 23260 00 1 8 in NPT x 90 Brass Female Elbow All OJT 8PP 23245 01 Static Pressure Tee Brass All OJU 8PP 18463 00 1 8 in Female Coupling All OJV 5PM 37262 02 Polyethylene Tubing 1 4 in x 35 ft All OJNM 8PP 21461 00 Connector 1 4 in OD Plastic x 1 4 in NPT Male All OJNN 8PP 52267 00 Tee 1 x 1 4 x 1 in NPT All Except Model SDF OJNO 5PM 37153 02 Wire Twisted Pair Shielded 50 ...

Page 30: ...ctors 3 1 3 2 3 3 3 4 Item Part Number Description Model PJN 5PM 37262 01 Polyethylene Tubing 1 4 in x 18 in All PJO 8PP 37055 00 Bulkhead Union 1 4 in All PJP 5PM 37891 01 Plastic Tubing 1 8 in ID x 18 in All PJQ 8PP 37054 00 Barbed Bulkhead Union 1 4 in OD x 170 ID 5 16 24 All ...

Page 31: ...Checker board Control Panel 31 Transformer Parts Drawing 4 24 Volt DC Transformer 4 3 2 1 0 4 1 Item Part Number Description Model QJN 8PP 37086 00 Transformer 24 Volt DC All ...

Page 32: ...Donaldson Company Inc 32 Checker board Assembly Kit Parts Drawing 5 Checkerboard Assembly Kit 5 1 5 3 5 4 5 5 5 2 ...

Page 33: ...S All 8PP 36804 16 Checker board Assembly Kit 24 V DC 8 w 1 PS All 8PP 36804 06 Checker board Assembly Kit 24 V DC 8 w 2 PS All 8PP 36804 07 Checker board Assembly Kit 24 V DC 16 w 2 PS All 8PP 36804 08 Checker board Assembly Kit 24 V DC 24 w 2 PS All RJO 8PP 37169 03 Flat Cable Mount All RJP 8PP 53929 01 Fuse 16 Amp 115 Volt All 8PP 53929 02 Fuse 08 Amp 220 Volt All RJQ 8PP 53929 03 Fuse 2 Amp Al...

Page 34: ......

Page 35: ......

Page 36: ...nditions Donaldson Company makes no warranty against damage due to corrosion abrasion normal wear and tear modification or misapplication and makes no warranty whatsoever as to any goods manufactured or supplied by others After Donaldson Company has been given adequate opportunity to remedy any defects in material or workmanship Donaldson Company retains the option to accept the return of the prod...

Reviews: