ATTENTION Please make sure to follow your state electrical code`s
Contents
1. FLO ELECTRONIC PUMP CONTROLLER NOTE 1 RUNNING DRY there is no flow and the pressure is lower than that of the pump start up pressure Pm It occurs when there is no water After 15 seconds PREFLO stops the pump and indicates an ERROR message PRESFLO AUTOMATI CALLY tries to resume NORMAL SERVICE at intervals of increas ing time 15 30 60 minutes and successively once every hour If PRESFLO detects any pressure and or flow NORMAL SERVICE is resumed otherwise the pump Is stopped again until the next attempt is made A MANUAL attempt to resume NORMAL SERVICE can be made at any time NOTE 2 FREQUENT START UP the repeated stopping and starting of the pump at intervals of less than 2 minutes from each other This occurs when the flow rate is less than 0 25 gpm This may cause damage to the pump In event of small leaks drip ping PRESFLO s water accumulator guarantees that the pump Starts stops at time intervals of over 2 minutes less than 30 starts hour and that FREQUENT START UP errors do not occur In the event of a major leak or extended use at excessively low flow rates less than 0 25 gpm the pump may be started stopped as often as once every few seconds putting the pump at risk of damage In this case after about 30 minutes PRESFLO stops the pump for the follow ing 30 minutes in order to let it cool down and indicates an ER ROR message If the time interval between the starts stops is more tha2. we hereby declare that this product is compliant with the following EU Directive and relevant implementing national regulations 73 23 CEE 89 336 CEE EN 60730 2 6 EN 61000 6 3 DGFLOW S r l Director Stefano Concini Bigarello 24 05 08 First start up Parts Break Down ATTENTION when ordering spare parts always state the position n from the diagram below and the product code number found in the pressure flow regulator technical data table Priming the pump For instructions on how to prime fill the pump see the pump manual ATTENTION PRESFLO is fitted with a check valve do not use the PRESFLO s outlet to fill the pump for priming 1 Circuit board cover 2 Pressure gauge 3 Circuit board 4 Cable bushings lt Product code number CODE V00101101 V Hz 230 50 60 max 16 A P start 22 psi Switching the pump on Year 2008 The red Power LED lights up PRESFLO instantly detects that there is no pressure within the system and starts the pump the green Status LED lights up If within 15 seconds of starting up PRESFLO does not detect the correct priming of the pump it stops the pump and indicates a running dry error message 5 Valve unit ATTENTION When the pump is started for the first time it may have to be run for longer in order to complete the priming procedure Size Press the START STOP button to restart the pump and complete
3. Replace the pump with one with more suitable characteristics Install a model with a lower start up pressure Pm Vat for the automatic restart or press START to restart manually See Operation point 4b Remove any cause of leakage from raka Ar Ameen SUN a Se oa ey 5 ystem OF WSTaN aff expansion Tarik en A aa Sa Check the water pipes Check that the valve is not blocked by any foreign objects and clean if necessary The pump stops PN Leaks within the system less Man and starts A ON WO ON the shut off flow rate Qa repeatedly wy Stars 2 OF The pump will W K any The flow rate is higher than the shut off not stop pert Pe flow rate Qa T UN PRESFLOS 5 check valve will not close Check the hydraulic connections and repair any leaks ifa leak cannot be repaired install an expansion tank within the system 1 hare ara ma laake that there are no leaks Wake sure that all taps are tumed off and a thar tha paha ie aa binabad he aar eer ee ee eee Check that the valve is not blocked OF any ioreign OOECTS and clean if necessary Operation No power supply PRESFLO is suitched ol f PRESS BRIEFLY itd X or HOLD DOWN nothing happens Power is rastored PRESFLO resumes NORMAL SERVICE and starts the pump if necessary NORMAL SERVICE The pump is running The assembly requires water ne or move taps are tumed an PRESFLO detects a flaw the assembly pressure is normally higher
4. n 10 seconds and therefore poses less of a risk to the pump PRESFLO will allow the pump to be used for more than 30 minutes Once enough time has passed to allow the pump to cool down it is restarted AUTOMATICALLY The pump may be restarted MANUALLY any time User s manual PRESFLO is a device that starts and stops the pump to which it is fitted thus replacing traditional pressure switch surge tank systems The pump is started when as a tap is turned on the pressure within the system drops below the start up pressure Pm and is stopped when the flow rate required is zero or less than the shut off flow rate Qa PRESFLO s electronics protect the pump against unsuitable operating conditions such as running dry or repeated startups due to leaks King Pumps Technical specifications Connections 1 M BSP 1 M NPT Operating pressure bursting pressure 140 psi 570 psi Weight 3 2 lbs Protection against Running dry automatic restart repeated start ups Voltage 230 Volt a c or 110 Volt a c Frequency 50 60 Hz Maximum current 10 16 30A Protection grade IP 65 Start up pressure Pm 11 21 31 psi Shut off flow rate Qa 0 25 0 52 gpm CODE V00101101 V Hz 230 50 60 max 16 A P start 22 psi Year 2008 RATINGS Before installing the product check that the RATINGS correspond with those required Losses Wo
5. ne No taps or check valves need to be installed between the pump and PRESFLO A foot valve should be installed on the suction pipe ATTENTION as The pressure applied by the water column above PRESFLO must not exceed that of the pump start up pressure Pm lf for example PRESFLO is installed at a height of 65 feet below that of the highest tap in the system the pres sure detected by PRESFLO will be approximately 28 psi A model with Pm 30 psi should therefore be installed in order to guarantee that the pump is started when a tap is turned on Red 72 Blue 49 Yellow 26 ATTENTION The maximum pressure produced by the pump must be at least 14 20 psi higher than the start up pressure Pm If the pressure produced by the pump is too low PRESFLO will stop the pump and indicate a dry run ning error message The electrical connections should be made as indicated in the diagram which can also be found on the inside of the cir Electrical connections A cuit cover 123456 F ODOOODOO Mb x LN UV aes coal LINE MOTOR d S k MOTOR LINE MOTOR S p GROUND GROUND Ta N LINE _ NUT ATTENTION FAS i ircuit KE SEAL The cable bushings and circuit lt ciae RUSHING board cover must be properly as i sembled and secured in order to N O guarantee IP 65 grade protection of wT io the electrical components OD STATEMENT OF COMPLIANCE Under our exclusive responsibility
6. rking area Pressure Pm A otart up pressure Qa Shut off flow rat zl 0 25 0 52 gom How rate Operating conditions C Power supply Make sure that the variation in the power supply is never more or less than 10 of the RATING value Higher values may cause damage to the electronic components PRESFLO can only be used with single phase pumps A Compatible non compatible fluids PRESFLO is suitable for use with clean water and chemically non ag gressive liquids If the fluid contains impurities a filter should be fitted upstream B Environmental conditions PRESFLO should not be used where there is the risk of an explo sion The temperature of the loca tion should range between 32 F and 150 F and the humidity should not exceed 90 ATTENTION Before installing or using PRESFLO read this manual carefully and thoroughly The pump should be installed and serviced by qualified personnel responsible for making the hydraulic and electrical connections in compliance with the relevant regulations DGFLOW shall not be held liable for any damage relating to or re sulting from an improper use of the product or for any damage relat ing to or resulting from servicing or repairs carried out by unqualified personnel and or with non OEM spare parts The warranty which is valid for 24 months from the date of purchase will no longer be applicable should the product suffer damage a
7. s a consequence of the use of non OEM spare parts tampering or im proper use When starting the installation check the following the power supply is switched off the power lines can withstand the maximum current the cable bushings and circuit board cover have been properly as sembled and secured see Electrical Connections the power supply is fitted with regulation earthing and safety de vices When servicing the product check the following the system is not pressurised turn a tap on the power supply is switched off Safety regulations EMERGENCY STOP e When in use the pump can be stopped Tang in the event of an emergency lt a press START STOP PRESFLO is put OUT OF SERVICE CAD Never disassemble lt aes accumulator water accumulator rn fi and cover Gem 9 L ON E TRSA Cover Installation Preliminary checks Take the PRESFLO out of the packaging and check the following Check for damages Check that RATINGS correspond with those required Check the cable bushings and screws are in place Check PRESFLO s inlets and outlets to be clean and free of any packaging materials Check that valve moves smoothly Hydraulic connections Orientation PRESFLO can be installed at any angle depending on the flow direction as indicated in the diagrams Position PRESFLO can either be fitted directly to the pump outlet or anywhere along the delivery li
8. than the START UP pyessure but it may also be lowe PRESS BRIEFLY or HOLD DOWN the pnp is slopped and put OUT DF SERVICE For instructions on how to reachvale the pump see port 3 The taps are turned off fof there is no flow for a few seconds fhe pump is stopped ERROR stopped temporarily due to RUNNING DRY see NU TE Ti PRESALOM ina plano shar tha mimp ening ry nd d erne olien ir TEM IY PRESS BRIEFLY ihe pumpis wA Flashing Highly Recommended Do not alter the diameter of the inlet and outlet of the system Do not use diameter reduction for the pipes In case of ball valve ussage it is highly recommended to install a full flow ball valve Hashing oOo GG 0G Flashing NORMAL SERVICE The pump is inactive The system is pressurized All tans are fumed off There is no demand for water PRESFLO detects an assembly pressure ighe than that of the stan up pressure Pm and ra Mow PRESS BRIEFLY fhe pump is startad manually and runs fora few seconds before stopping Anam HOLD DOWN z the pump ts put OUT DE SERVICE Fow mskucions cn how bo teaetivale Me pump see poimi 3 A tap is turned on as spon as the pressure fails below the start up pressure Pn the pump is Slanted OUT OF SERVICE TG pari Nuy baran alent enini The gump wall remain inaenea until a ARW miu j ver PRESS BRIEFLY jalig NADDENS Lik Of fee HOLD DOWN fhe p
9. the priming procedure START STOF Disposal When disposing of any PRESFLO parts adhere to the rel evant laws and regulations in force in the country in which the equipment is being used Do not dispose of any polluting parts in the environment B Problems Signals Possible causes Solutions PRESFLO will not turn on The pump will not start when a tap is turned on POWER O i ey 1 STATUS _ l FF row ow saws O OFF z p 4 aN j a No power PRESFLO model with an inadequate Start up pressure Pm for the chosen apprca Hon Faulty electrical connections or Check the electrical connections Relocate PRESFLO to another position Install a model with a higher start up pressure Fm Check the electrical connections and that the pump is working Sars ON i ter Hashing rowan oppo AO ayy FRQ ON saws Oy Flashing romo 0 STATUES Hashing i a co Oo oo The _ delivers power oN mo Or low pressure as cy pump out of service PRESFLO OUT OF SERVICE PRESFLO in temporary shut dawn due to RUNNING DRY due to lack of water Maximum pump pressure is insufficient PRESFLO in temporary shut down due fo FREQUENT START UP Filters or pipes may be partly blocked PRESFLO 3 valve will nat apen com pletely Reset PRESFLO See Operation point 3 Wait for the automatic restart or press START to restart manually See Operation point dal
10. ump resumes AQAA SERVICE See paints Za 2b ERROR temporary shut down due to FREQUENT START LP rann ANITE 9 isep MOTE 2 PRESELO tine netacan thet ther puny aT ing up tod ofan and hae harara gapen it TEWPORARN Y PRESS BRIEFLY me iS sianted ari matuai and AMAL SERVIE HOLD DOWN the pump will not restart and goes mil calle f
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