FRC AUTOFOAM FS120 Manual Download Page 9 | Manualshive

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FS15-60-120 Rev0204

9

Figure 2. Controls and Indicators

Manual

OVERRIDE

Buttons

OFF

Button

FOAM

ON

Button

Increase

Foam

Percent

Button

Decrease

Foam

Percent

Button

FOAM

ON

OFF

Foam

%

0PEN

CLOSE

M a n u a l

O V E R R I D E

T M

WATER Flow

TOTAL

FOAM

Flow

P

%

/

Upper

Display

Lower

Display

TOTAL

Button

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8
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10
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Summary of Contents for AUTOFOAM FS120

Page 1: ...0 Rev0204 1 AUTOMATIC AROUND THE PUMP FOAM SYSTEM MODEL FS15 FS60 FS120 FIRE RESEARCH CORPORATION www fireresearch com 26 Southern Blvd Nesconset NY11767 TEL 631 724 8888 FAX 631 360 9727 TOLL FREE 1 800 645 0074 ...

Page 2: ...2 Pump Intake and Discharge Pressure Requirements 23 Operational Check 24 CALIBRATION 28 TROUBLESHOOTING TIPS 30 MAINTENANCE 31 Flushing the System 31 Cleaning the Paddlewheel Sensors 31 List of Tables Table 1 Pump Pressure Requirements 23 List of Figures Figure 1 Plumbing Schematic 7 Figure 2 Controls and Indicators 9 Figure 3 Control Module Dimensions 11 Figure 4 Meteing Valve Assembly and Educt...

Page 3: ...alled between the water pump intake and pump discharge A small flow of water from the pump discharge passes through the eductor and creates a vacuum that draws foam concentrate into the eductor The principle behind the AutoFoam system is straight forward The flow rate on the discharge side of the pump is measured A metering valve is opened to allow foam concentrate to flow and this flow rate is me...

Page 4: ... 2200 GPM Proportioning Ratio FS120 1 10 FS60 0 5 6 FS15 0 5 6 Control Module Power 12 VDC Nominal Logic 8 BIT Microcontroller Housing PaintedAluminum Weight 2 LBS Environmental Totally Sealed Enclosure with O Rings Temp Rating 70 C Connectors Deutsch Industrially Sealed Discharge Flow Sensors Type Paddlewheel Type with Brass Housing for Saddle Clamp or Weldment Mount Stainless Steel Housing Optio...

Page 5: ...ouplings FS120 2 0 FS60 1 5 FS15 1 5 Eductor Material Stainless Steel 304 Weight 4 2 LBS Length FS120 20 FS60 12 5 FS15 12 5 Water Flow Rate Through Eductor 150 PSI FS120 205 GPM FS60 130 GPM FS15 50 GPM Couplings Victaulic Grooved Type FS120 Water Inlet 2 0 Foam Inlet 2 0 Discharge 2 0 FS60 Water Inlet 1 5 Foam Inlet 1 5 Discharge 1 5 FS15 Water Inlet 1 5 Foam Inlet 1 5 Discharge 1 5 ...

Page 6: ... it is internally calibrated for flow The meter valve housing is brass The flow sensors are in stainless steel mounts Eductor The eductor is located in a water by pass loop and foam is sucked through it into the suction side of the pump It is made of stainless steel or brass Discharge Flow Sensor s The discharge flow sensor is mounted on the pump discharge manifold It provides an input signal to t...

Page 7: ...ic Foam Tank EDUCTOR Pump Pump Suction Pump Discharge Power 12 VDC Foam Isolating Valve METERING VALVE with DUAL FOAM FLOW SENSORS Flush Valve Emergency Manual Bypass Valve DISCHARGE FLOW SENSOR CONTROL MODULE SUMMING DEVICE Check Valve Check Valve ...

Page 8: ... show foam flow FOAM Buttons Press these buttons to raise or lower the percent of foam that is inducted When the increase or decrease button is pressed the upper display will show the selected percent Lower Display A lower multifunction display shows the discharge flow rate and the total gallons of water used If there is water flow on the discharge side of the pump flow rate will be displayed even...

Page 9: ...ndicators Manual OVERRIDE Buttons OFF Button FOAM ON Button Increase Foam Percent Button Decrease Foam Percent Button FOAM ON OFF Foam 0PEN CLOSE M a n u a l O V E R R I D E T M WATER Flow TOTAL FOAM Flow P Upper Display Lower Display TOTAL Button ...

Page 10: ...and the eductor be mounted below the bottom of the foam tank Note The metering valve assembly must be mounted so that the motor assembly is on top 1 Connect the pump discharge to the eductor inlet A Reinforced hose may be used If the water flow to the eductor needs to be shut off a valve may be placed in this line This valve should have a 2 0 1 5 for FS15 60 throat and should be at least six 6 inc...

Page 11: ...ssembly and Eductor Installation 4 25 3 5 4 25 3 5 1 4 5 3 75 10 32 Hardware Interconnecting pipe diameters FS120 system 2 0 FS15 60 system 1 5 Valve motor assembly must be on top MeteringValve Assembly Pump Suction From Foam Tank Pump Discharge Eductor Bypass and Flush Valves B D C A ...

Page 12: ...inar or smooth to ensure accurate flow measurements There must be enough straight pipe run before the flow sensor location to allow the water stream to stabilize into a uniform flow Guidelines for selecting flow sensor locations are outlined in Figure 5 When the sensor is mounted after an area in the plumbing that tends to increase water stream turbulence a valve increase in pipe diameter etc it i...

Page 13: ...he pipe diameter When mounting the sensor before a valve or an elbow the length L must be at least equal to the pipe diameter When mounting the sensor after the pipe diameter is reduced the length L must be at least 2 times the pipe diameter When mounting the sensor after a valve the length L must be at least 14 times the pipe diameter Figure 5 Flow Sensor Location Guidelines Best Orientation L L ...

Page 14: ...orrect position and is not meant to be removed 3 Place saddle clamp over hole with sensor housing centered 4 Tighten saddle clamp nuts until gasket makes a good tight seal 5 Insert flow sensor into sensor housing Align flat spot on sensor rim with alignment tab and make sure o ring is in the groove Note The retainer cap only needs to be hand tightened There is an inside lip that will stop the cap ...

Page 15: ...top for removal installation of the connector Note When the retainer cap is tightened make sure the sensor rim flat spot does not disengage from the alignment tab and allow the flow sensor to rotate Pipe Size Dimensions Sch 40 A B C 2 5 5 3 9 2 9 2 5 5 5 3 9 2 8 3 5 9 3 9 2 8 3 5 6 8 4 3 2 8 4 6 8 4 3 2 8 5 8 4 3 2 8 Measurements are in inches Sensor Housing Paddlewheel Flow Sensor Retainer Cap Sa...

Page 16: ...ment tab is centered on the pipe centerline Refer to Figure 7 4 Set sensor housing to dimension A in Figure 7 Make sure the alignment tab is centered on the pipe as shown it can be on upstream or downstream side 5 Screw on tru seal locknut and tighten with a 2 wrench using light to medium torque Make sure that housing does not rotate causing dimension Ato change and the sensor housing alignment ta...

Page 17: ...s are in inches Note These dimensions are typical and are given to be used as an aid in determining mounting locations for flow sensors Make sure that the alignment tab is centered on the pipe centerline Note When the retainer cap is tightened make sure the sensor rim flat spot does not disengage from the alignment tab and allow the flow sensor to rotate Retainer Cap Paddlewheel Flow Sensor Tru Se...

Page 18: ...wire to ground 2 Connect two 2 foam flow sensors to the summing device with the extension cables supplied 3 Connect the discharge flow sensor to the summing device with the extension cable supplied For the multiple discharge flow sensor option connect all discharge flow sensors to the discharge flow summing device The output of the discharge flow summing device is then connected to the AutoFoam su...

Page 19: ...DC Black Wire GND Power Metering Valve and Dual Flow Sensors AUTOFOAM Summing Box Metering Valve Multiple Discharge Flow Sensor Option Discharge Flow Sensor Y Cable AutoFoam Summing Device Discharge Flow Summing Device Discharge Flow Sensor Flow Display ...

Page 20: ...djusted to produce the selected foam proportion If input data from one of the dual foam concentrate flow sensors is lost the program will automatically use the information from the one that is operating properly There is no loss in performance or accuracy of the system If input data from both foam flow sensors is lost the AutoFoam system will switch over to the fixed program mode Fixed Program Mod...

Page 21: ...rate to position the valve for the correct foam concentrate rate of flow Manual Mode When the Manual OVERRIDE OPEN or CLOSE button is pressed and held for three seconds the system will switch to manual mode The upper and lower displays will flash to indicate the system is in the manual mode The displays will continue to show correct foam and water flow rates When in the manual mode the operator is...

Page 22: ...am button Result After 3 seconds the display shows 0 6 Press and hold decrease Foam button Result Upper display shows P on left and decreasing number on right 7 Release decrease Foam button Result After 3 seconds the display shows 0 8 Press and hold Manual OVERRIDE OPEN or CLOSE button for at least 3 seconds Result Both displays flash to indicate the system is in manual mode Note A brass nut on th...

Page 23: ...charge pressure to more than 140 PSI when foam is used For efficient operation around the pump foam proportioning systems require a pump intake to discharge pressure differential It is recommended that the pump intake pressure be less than 20 PSI If operation at a higher intake pressure is necessary the pressure differential shown in Table 1 has to be adhered to Table 1 Pump Pressure Requirements ...

Page 24: ...ill start to be injected if water is flowing through the pump Set the desired foam proportion percent When the FOAM button is pressed the upper display will show the selected percent for 3 seconds then show foam flow in GPM Note This system can be operated in the manual mode The metering valve is opened or closed manually using the Manual OVERRIDE buttons to change the foam proportioning percent T...

Page 25: ...flow at discharge sensor AutoFoam system is on Upper display shows selected P on left side indicates selected is displayed after 3 seconds shows foam flow Lower display shows discharge flow FOAM ON OFF Foam 0PEN CLOSE M a n u a l O V E R R I D E T M WATER Flow TOTAL FOAM Flow P FOAM ON OFF Foam 0PEN CLOSE M a n u a l O V E R R I D E T M WATER Flow TOTAL FOAM Flow P ...

Page 26: ...display flashes showing F alternating with programmed foam flow rate Lower display shows discharge flow Note This condition would exist if there is no input from the foam flow sensors Figure 9 Sample Displays Sheet 2 of 3 FOAM ON OFF Foam 0PEN CLOSE M a n u a l O V E R R I D E T M WATER Flow TOTAL FOAM Flow P FOAM ON OFF Foam 0PEN CLOSE M a n u a l O V E R R I D E T M WATER Flow TOTAL FOAM Flow P ...

Page 27: ...ter used Note The number in lower display indicates 1800 gallons of water has flowed AutoFoam system is on System is in Manual mode both upper and lower displays are flashing Upper display shows foam flow Lower display shows discharge flow FOAM ON OFF Foam 0PEN CLOSE M a n u a l O V E R R I D E T M WATER Flow TOTAL FOAM Flow P FOAM ON OFF Foam 0PEN CLOSE M a n u a l O V E R R I D E T M WATER Flow ...

Page 28: ...w rate Turn the pot a little bit at a time to allow the computer averaging to catch up to the new setting wait for two seconds between adjustments 4 Select a second reference flow rate to verify the calibration Calibrating Foam Flow Sensors The foam flow sensors are calibrated precisely at the factory as a part of the metering valve assembly and should only require calibration for the following re...

Page 29: ...crewdriver to adjust the pot so that the reading in the lower display on the control module matches the reference flow Rotating the pot clockwise will increase the flow rate and counter clockwise will decrease the flow rate Turn the pot a little bit at a time to allow the computer averaging to catch up to the new setting wait for two seconds between adjustments 10 Repeat steps 1 through 4 and adju...

Page 30: ...e and the control module Perform the Operational Check 1 If this check fails step 4 with discharge flow the possible problems are Wiring to the discharge flow sensor Wiring between the control module and the summing device Bad discharge flow sensor Bad summing device Bad control module 2 If this check fails step 6 but passes step 7 the possible problems are Wiring to the foam flow sensors Wiring b...

Page 31: ...the bypass and foam isolating valves are closed Open the flush valve and the eductor water valve if installed 3 Press FOAM ON button 4 Pump water 5 Press and hold Manual OVERRIDE OPEN button Run the metering valve to the fully open position 6 Press the OFF button when the system is flushed out Cleaning the Paddlewheel Sensors The paddlewheel type flow sensors need to spin freely to generate flow d...

Page 32: ...FS15 60 120 Rev0204 32 Figure 11A Eductor Drawing DRAWINGS F F 1 5 2 0 1 9 2 375 Dimensions in Inches Linear Dimensions are 0 040 FS 15 60 50 130 gpm FS 15 10 4 8 650 F ...

Page 33: ...FS15 60 120 Rev0204 33 Figure 11B Metering Valve Drawing A Grooved Type Coupling FS15 1 9 1 5 pipe FS60 1 9 1 5 pipe FS120 2 375 2 0 pipe 16 25 to 17 25 6 15 8 43 6 72 A A ...

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