W.E. ANDERSON DIV., DWYER INSTRUMENTS, INC.
Contents
1. ELECTRICAL INSTALLATION for A 711 Option Only 1 Connect the RED wire from the sensor to the positive 8 to 28 VDC power supply output 2 Connect the BLACK wire from the sensor to the negative or ground connection of the power supply output 3 Connect the WHITE wire to get a 5 VDC digital pulse where the frequency of the pulse is proportional to the flow rate 4 Connect the GREEN wire to get an 8 to 28 VDC pulse where the frequency of the pulse is proportional to the flow rate The voltage level will be equal to the supply voltage on the RED wire minus approximately 0 7 volts CAUTION DO NOT Connect the white and green leads togeth er Any unused output connections should remain disconnected page 3 OUTPUT SIGNALS for units with A 711 Option White Wire Connection 5 Volts 0 Volts GPM Freq Hz for SFl 800 1 2 A711 GPM ae for SFI 800 3 4 A711 GPM eat for SFl 801 1 2 A711 GPM Freq Hz for SFI 801 3 4 A711 2 7 Green Wire Connection 8 28 Volts 0 Volts GPM Freq Hz for SFI 800 1 2 A711 5 GPM Freq Hz for SFI 800 3 4 A711 2 5 GPM EFreg Hz for SFI 801 1 2 A711 4 9 GPM Freg Hz for SFI 801 3 4 A711 2 7 ELECTRICAL INSTALLATION for A 712 Option Only 1 Connect the RED wire from the sensor to the positive 15 to 28 VDC power supply output 2 Connect the BLACK wire from the sensor to the negative or ground connection of the power supply output 3 Connect the WHITE wire to recei2. output with frequency rate proportional to flow rate Accuracy 5 of FS Frequency Output Range 0 to 100 Hz Electrical Connections Black lead Ground White lead 5 VDC out pulse Green lead 8 to 28 VDC out pulse Red lead 8 to 28 VDC supply ELECTRICAL SPECIFICATIONS for A 712 Option Only Temperature Limits 20 to 212 F 28 to 100 C Power Requirements 15 to 28 VDC Output Signal White lead 1 to 10 VDC Accuracy 5 of FS Electrical Termination Black lead Ground Red lead 15 to 28 VDC input White lead 1 to 10 VDC output ELECTRICAL SPECIFICATIONS for A 713 Option Only Temperature Limits 20 to 212 F 28 to 100 C Power Requirements 8 to 28 VDC Output Signal White lead Normally open switch Green lead Normally closed switch Both open collector 100 mA max 28 VDC max Electrical Connections Black lead Ground White lead Normally open Green Lead Normally closed Red lead 8 to 28 VDC Phone 219 879 8000 Fax 219 872 9057 www dwyer inst com e mail info dwyer inst com INSTALLATION 1 Select an indoor location SFI 800 only that is free from excess vibration within the specified temperature limits and away from direct sunlight SFI 800 is adversely affected by ultraviolet light Note The SFI 801 is rated for indoor or outdoor use and is not affected by ultraviolet light 2 When mounting horizontally make sure the belly of the indi cator is on the bottom This will pr
3. Bulletin F 47 Series SFI 800 amp SFI 801 Sight Flow Indicator Specifications Installation and Operating Instructions EARANGI 761 HOLE ON 2 1 2 Pia es 5 74 61 e Araia Fiero i BOLT CIRCLE SANB 7 32 a a 13 50 ZZ AN A ED v A f 2 1 2 ok 1 NPT ae 2 4 13 64 DIA 5 16 Raan 50 80 HOLE ON 21 2 bia 03 5 MOUNT CUTOUT 2 13 16 2 546 BOLT CIRCLE 71 44 58 74 SFI with A 711 Option SFI Model Only The Series SFI 800 Sight Flow Indicator provides protection SPECIFICATIONS for expensive equipment and systems accommodating fluid tem aa aes fluids i o o ette aterials peratures as high as 212 F 100 C and pressures up to 150 psi Body SFI 800 Polysulfone SFI 801 UV Stabilized 10 34 bar This sight flow indicator is composed entirely of Polycarbonate FDA NSF ratable materials It is exceptionally corrosion resistant Window SFI 800 Polysulfone SFI 801 UV Stabilized and can handle de ionized water and many acids bases and Polycarbonate salts Consult B P Amoco s Extensive Chemical Guide for fur ther information on the Udel P1700 Polysulfone resin The Series SFI 801 Sight Flow Indicator is similar to the SFI 800 except it is made of UV stablized materials It can be used in outdoor applications where indication of water flow or control is needed The materials are not FDA approved Thre
4. e output options are available for the SFI 800 and 801 The A 711 is a unique patent pending sensor that outputs two pulse voltage signals proportional to flow rate Pulse outputs are a 5 VDC pulse and a pulse of the input supply voltage used which can be 8 to 28 VDC This sensor can be used to monitor flow rate and flow totalization The A 712 is a sensor that outputs a linear 1 to 10 VDC signal proportional to flow rate This sensor can be used to monitor flow rate The A 713 is a flow switch with open collector outputs One out put is active above setpoint and the other output is active below setpoint The setpoint can be changed by pressing a button at the desired flow rate W E ANDERSON DIV DWYER INSTRUMENTS INC P O BOX 358 MICHIGAN CITY INDIANA 46361 U S A Rotor SFI 800 White Polysulfone SFI 801 Red UV Stabilized PBT Rotor Pin 316 SS Thrust Washers 300 Series SS O Ring SFI 800 Fluoroelastomer NSF Grade SFI 801 Buna N Temperature Limits SFI 800 20 to 212 F 28 to 100 C SFI 801 20 to 130 F 28 to 55 C Pressure Limits SFI 800 150 psi 10 34 bar SFI 801 125 psi 8 62 bar Viscosity Max 200 SSU Weight SFI 800 3 35 oz 95 g SFI 800 A711 5 0 oz 142 g ELECTRICAL SPECIFICATIONS for A 711 Option Only Temperature Limits 20 to 212 F 28 to 100 C Power Requirements 8 to 28 VDC Output Signal White lead 5 VDC Green lead 8 to 28 VDC equal to sup ply voltage Pulsed
5. event entrapped bubbles from collecting and degrading performance 3 All Series 800 and 801 units may be panel mounted using the 4 four holes integrated into the body 4 Use plumbers tape thread sealant Do not use pipe dope com pounds which can craze and crack the polysulfone housing Hand tighten system pipe fitting If additional torque is needed to seal pipe joint use strap wrench on fitting 5 If using solvent based glues like PVC cement in the piping sys tem do so with the meter s body removed until glue has cured then purge the system before reinstalling Do not solder brass fit tings with the body installed because the heat generated to sol der the brass fittings will damage the flowmeter 6 Incoming flow may be connected to either port However for best performance a straight section of pipe with a minimum of 10 times the tube diameter should be used on the inlet side MAINTENANCE With all mechanical type sensing units a minimal amount of clean ing is required However if a 150 micron filter is used reduced cleaning can be expected The Series SFI 800 Dwyer Sight Flow Indicator utilizes a patent pending sensing design no magnets are molded inside the impeller to attract ferrous material This greatly reduces the nec essary maintenance when used in mechanical systems with fer rous residuals If residuals are found inside the unit clean with mild detergent Inspect for impeller wear If impeller vibrati
6. on is notice able or if the unit produces an oscillation whirring or buzzing sound replace the impeller The Series SFI 800 amp SFI 801 Sight Flow Indicators are not field serviceable and should be returned if repair is needed field repair should not be attempted and may void warranty Be sure to include a brief description of the problem plus any relevant appli cation notes Contact customer service to receive a return goods authorization number before shipping CAUTION Be sure that the window locking mechanism is in the locked position This would be at the 6 o clock position when mounted on the horizontal plane with the belly down page 2 A 711 A 712 or A 713 SENSOR OPTION INSTALLATION This procedure is for customers who purchased an SFI 800 801 Sight Flow Indicator and want to add the A 711 A 712 or A 713 Sensor Option 1 Orient the sight flow indicator with the belly down The sen sor pocket should be in the 6 o clock position as one is facing the unit 2 Position the A 711 A 712 or A 713 sensor with the wire cable leads at 3 o clock and the exposed sensor portion at 6 o clock 3 Allow the sensor package to rest on the four 4 tabs on the back of the sight flow indicator 4 Firmly and evenly press the sensor onto the back of the sight flow indicator 5 The assembly will only go on one way The sensor is not intended for removal 6 Follow electrical installation for lead termination
7. ve the 1 to 10 VDC linear out put see equations below GPM Output Voltage for SFI 800 1 2 A712 0 50 GPM Output Voltage 0 25 GPM Output Voltage 0 49 GPM Output Voltage 0 27 for SFl 800 3 4 A712 for SFl 801 1 2 A712 for SFl 801 3 4 A712 ELECTRICAL INSTALLATION for A 713 Option Only 1 Connect the RED wire from the sensor to the positive 8 to 28 VDC power supply output 2 Connect the BLACK wire from the sensor to the negative or ground connection of the power supply output 3 Connect the WHITE wire to the load that is energized when flow rate is above setpoint high flow Connect other end of load to the positive end of the power source This wire may be left uncon nected 4 Connect the GREEN wire to the a load that is energized when flow rate is below setpoint low flow Connect other end of load to the positive end of the power source This wire may be left uncon nected 5 Adjust flow rate to desired setpoint and press the push to set button The setpoint light will flash to indicate setpoint has been changed The setpoint light will then turn on above setpoint and off below setpoint Example of Wiring Diagram 8 28 VDC POWER SUPPLY Copyright 2007 Dwyer Instruments Inc Printed in U S A 1 07 FR 83 443156 00 Rev 4
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