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Page 12/43 

 
 
 
 

 

 

 

 

Firemiks AB 

Instruction manual version: SPFA FM 

P.O. Box 8155, 104 20 STOCKHOLM, Sweden 

  

phone +46-8-551 196 10 - [email protected] - www.firemiks.com 

 

4.3.6 

Overspeeding at start-up

. Even if the main water pump has a capacity equal 

or below the max flow capacity of the FIREMIKS, over-speeding can happen 
at the start if the main pipes are empty and the flow-limiting parts are located 
after the unit. This risk for over-speeding could be minimized if the FIREMIKS 
and the piping are completely filled with water up to the flow-limiting parts. 
Gently filling the piping before the flow limiting parts, is also helpful to prevent 
over-speeding of the FIREMIKS, i.e. not suddenly starting the main flow. 

Units up to 2400 size have been tested without failure for 40% overflow 
during 3 minutes. 3200 has been tested for 25% overflow during 5 
minutes. Note that dosing at this time can be incorrect. Overflow is an 
overload condition and will cause accelerated wear of the unit and must 
be avoided. 

  

 

4.3.7 

Avoiding water hammer.

 If there is an alarm valve in the installation, the 

FIREMIKS must be placed upstream from the alarm valve, to avoid water 
hammer and a very sudden start of the unit.  

4.3.8 

Measuring unit rpm as

 

a measure of flow and overspeed. 

It is possible to 

measure the rpm of the FIREMIKS with a tachometer to get an indication of 
the water flow through it and to make sure it does not overspeed. The unit 
rpm is related to the main water flow through the unit and can be correlated to 
the measured main water flow in steady state if available. At start-up of a dry 
system, the peak rpm of the FIREMIKS thus gives a good indication of the 
actual (over)flow through the FIREMIKS. As a rule of thumb, peak overspeed 
rpm at start-up must not exceed the steady state rpm at max flow with more 
than 40%.  

 

Unit 

RPM at max flow 

450-3-PP-F-FM 

1415 

800-3-PP-F-FM 

1054 

1200-3-PP-F-FM 

1265 

1800-3-PP-F-FM 

1255 

2400-3-PP-F-FM 

1210 

3200-3-PP-F-FM 

807 

 

Содержание 1200-3-PP-F-ALU-FM

Страница 1: ...551 196 10 info firemiks com www firemiks com INSTRUCTION MANUAL FIREMIKS PP PISTON PUMP TYPE WITH AUTOMATIC FLUSHING FM approved Original English version Document FiremiksInstructionManual AutoFlushing PP FMapproved Document number SPFA FM Revision number 4919 ...

Страница 2: ...Z FM 3200 3 PP F SS FM With fixed admixture and automatic flushing of concentrate pump when the 3 way valve on the concentrate pump inlet is closed and aluminum nickel aluminum bronze and stainless steel material for the water motor body Brass or stainless steel pump head for 1800 size FM Approved for use with FM Approved concentrates and discharge devices TABLE OF CONTENTS 1 EC Declaration of con...

Страница 3: ...inum bronze and stainless steel material for the water motor body Brass or stainless steel pump head for 1800 size FM Approved for use with FM Approved concentrates and discharge devices The manufacturer Firemiks AB declares that the above products conform to European Directive 2006 42 EC and are designed according to the following standards SS EN ISO 12100 1 and 12100 2 The product is manufacture...

Страница 4: ...ructions given in this manual As the user you are responsible that the safety and operating instructions of any other systems environment or container where the FIREMIKS unit is installed are followed 2 4 Inform yourself about the fire fighting concentrate additive producer s instructions about leakages and spillage Observe especially the directions about spillage on hands and eyes Assure yourself...

Страница 5: ... is 16bar If there is a failure of the unit or the surrounding installation powerful water jets may occur Always wear eye protection 2 10 If necessary information is missing in this Instruction Manual please contact your distributor or Firemiks AB This is particularly important if the user believes that there exist risks that are not covered in this manual 2 11 If the unit is transferred to a thir...

Страница 6: ...ly connected with the drive coupling the system is by that flow proportional Dosing is automatically adjusted from the amount of water that goes through the FIREMIKS 3 2 FIREMIKS is a dosing system which uses an atmospheric concentrate tank and which requires positive pressure1 of the concentrate liquid at the pump inlet Equipped as standard with a Manual air relief valve Flushing of the concentra...

Страница 7: ...EMIKS PP In the following chapters the installation use and maintenance of the FIREMIKS will be discussed in detail To quickly become familiar with the unit we list some of the key properties important for a trouble free use The FIREMIKS is designed for use with a clean water supply only The FIREMIKS is designed to serve in fire emergencies it is not suitable for continuous use Before installing t...

Страница 8: ... salt water to dry inside the unit as salt crystallization can stop the FIREMIKS from rotating The above is to give a general idea and is not binding In case of doubt always refer to the chapters that follow 3 5 Overview of flow performance Unit Min flow lpm at 1 cps Min flow lpm 1800 cps 60rpm 4 Max flow lpm continuous 450 3 PP F FM 112 155 450 800 3 PP F FM 135 169 800 1200 3 PP F FM 260 303 120...

Страница 9: ...ww firemiks com 4 Installation Please refer to the European standard EN 13565 2 for general requirements on fixed foam systems for fire fighting Any Foam Fire Protection System must be designed in accordance with the Authority Having Jurisdiction whether it is the Insurance Carrier Fire Marshal end user or the relevant NFPA Fire Code s ...

Страница 10: ...otection to the unit shipping packaging or move it to a more secure place Attempting to run the unit with dirt lodged inside the water motor and or pump may permanently damage it 4 1 3 Protection caps let the yellow plastic protection caps and plugs remain on the unit until it is installed unless you need to use the threads for installation 4 2 Weight and lifting 4 2 1 For weight see Appendix 1 Da...

Страница 11: ...mounted downstream of the FIREMIKS NFPA 11 etc also requires the foam delivery system and main water supply system to be flushed before activating the foam delivery system 4 3 3 No minimum length of straight piping for the water supply before or after the FIREMIKS is necessary for the functioning of the Firemiks but it may affect pressure drop over the unit If the pressure drop over the unit must ...

Страница 12: ...s time can be incorrect Overflow is an overload condition and will cause accelerated wear of the unit and must be avoided 4 3 7 Avoiding water hammer If there is an alarm valve in the installation the FIREMIKS must be placed upstream from the alarm valve to avoid water hammer and a very sudden start of the unit 4 3 8 Measuring unit rpm as a measure of flow and overspeed It is possible to measure t...

Страница 13: ...ith a capacity of about 100 200 lpm to facilitate the rotation of the water motor according to the maintenance instructions see 7 3 4 4 3 14 It is possible with only one main water pump to design the piping system so there is plain water from some outlets in the system and at the same time additive admixed water from other outlets The requirement is that the minimum and maximum flow limits on the ...

Страница 14: ...e FIREMIKS that can handle these additives 4 5 Concentrate delivery to the unit 4 5 1 The supply of concentrate to the FIREMIKS unit must be done with gravity feed Gravity feed means that the lowest possible concentrate level in the tank is higher than the inlet of the concentrate pump s on the FIREMIKS in such a way that it delivers the required concentrate flow to the pump inlet by gravity alone...

Страница 15: ...ameter as the Selector valves Additional valves are discouraged as they increase the risk of operator error and could cause dry running see 4 9 if a valve is unintentionally closed The concentrate feed line must be equipped with a free flowing filter of 300 μm or less the filter must be positioned as close as possible to the pump feed attachment Even if the concentrate liquid to be used is clean t...

Страница 16: ...n SPFA FM P O Box 8155 104 20 STOCKHOLM Sweden phone 46 8 551 196 10 info firemiks com www firemiks com 4 6 Unit installation Example of a good installation with gravity feed and short distance from concentrate tank to a FIREMIKS Gear Pump type shown ...

Страница 17: ...ing storage see also 4 1 make sure to carefully clean the inside of the unit before installation If contamination is especially aggravated and or temperature limits have been exceeded please contact your distributor or Firemiks AB on how to proceed 4 6 5 The water flow must be in the direction shown by the arrow on the upper side of the water motor Note The direction of rotation of the drive shaft...

Страница 18: ...motor See Appendix 2 Dimensional Drawing for the key dimensions of the mounting interface It is advisable to have a support under the concentrate pump bracket to balance the weight NOTE Do not use the Mounting feet or in any other manner fixate the pump bracket so to avoid any movement in the drive gear alignment that can come from unequal support between the fixture under the water motor and the ...

Страница 19: ... of stainless steel If assembling other stainless steel threaded parts to the threads of the valves be sure to use suitable lubrication to avoid galling and the threads seizing together permanently 4 6 9 It is very important that there are no movements on the water main line that could create tensions between the water motor inlet and outlet If any such movement exists on the connecting pipes sepa...

Страница 20: ... Dosing Flushing The unit comes equipped with a manual selector valve for Dosing or Flushing Warning Always make a fast and determined switch with the selector valve No 4 on Flow chart leaving it only at its end positions Otherwise if the selector valve is left between its two end positions the valve may be open for both flushing and dosing and thus pressurized flushing water can enter the suction...

Страница 21: ...ons the valve may be open for both flushing and dosing and thus pressurized flushing water can enter the suction line and pollute or even overflow the concentrate tank If the chosen actuator works slowly leaving the valves open for some time between its two end positions an alternative is to install a check valve to avoid the risk for pressurized water to enter the concentrate tank This check valv...

Страница 22: ...ter cap This filter type is standard issue on all units covered in this instruction manual 4 7 5 2 Ball valve with integrated filter only available on special request With this filter type there is no need to make the system pressure free to open the filter The filter can be cleaned with pressure in the system by closing the valve handle is put perpendicular to the pipe in the OFF position and ope...

Страница 23: ... 1 Some units are equipped with an optional dosing return valve also DRV in short This valve is not to be used during regular operation and its handle should remain positioned for dosing into the main water line only The valve should only be operated by qualified maintenance personnel for maintenance testing purposes DRV in dosing position DRV in return position normal operation testing only ...

Страница 24: ...ure reassembled in the same orientation as when it was removed Incorrect installation can lead to a total blockage of the dosing line and lead to dangerous pressure build up 4 9 Pressure relief valve 4 9 1 Units equipped with a DRV are equipped with a pressure relief valve set at factory at a standard 20bar unless specified differently in the unit documentation Do not trigger the pressure relief v...

Страница 25: ... if so desired or required to verify the whole system 5 2 Check this 5 2 1 Check once again that installation is made according to instructions above in section 4 Installation 5 2 2 Check that the drain valve on the water motor is closed no drain valve on FM 400 size 5 2 3 NOTE Make sure that the cover over the drive shaft and the protection cap on the back gable side are in place 5 2 4 Check the ...

Страница 26: ...ity feed A steady and sufficient supply of concentrate by gravity to the inlet of the Firemiks Flushing Selector valve in Flushing position Dosing Selector valve in Dosing position 6 1 2 Warnings Warning with the optional Dosing return valve connected to the concentrate tank be careful not to use flushing when the Dosing Return is open this will fill you concentrate tank with water See also 4 8 3 ...

Страница 27: ...e Dosing position again This ensures minimal concentrate in the pump yet still makes immediate dosing at start up possible With water flowing through the system flush the Firemiks After approx 1 minute flushing stop the water flow through the unit Leave the selector valve in the flushing position This ensures that no concentrate is in the pump also prevents leakage of the concentrate Gravity feed ...

Страница 28: ... at a defined water flow 6 2 5 Testing with the optional Dosing Return Valve With a Dosing Return valve it is possible to simulate dosing without consuming the concentrate by recirculating it back in the tank Dosing can be measured at any injection pressure by connecting suitable equipment to create pressure and measure flow in the return line Recommened are a globe valve and an electromagnetic fl...

Страница 29: ... Firemiks AB for spare parts and instructions 6 6 Optional Dosing Return Valve 6 6 1 Some units are equipped with an optional dosing return valve This valve is not to be used during regular operation and it should remain with the valve positioned for dosing into the main water line only The valve should only be operated by qualified maintenance personnel for maintenance testing purposes See 4 8 fo...

Страница 30: ...talled In this record maintenance done according to the instructions below on the FIREMIKS unit s and any deviations from the normal situation It is also very beneficial to record any tests done and any operation of the system this can be very helpful if any problems should arise with the system 7 2 WARNING It is extremely important that at every service or maintenance of the unit you must assure ...

Страница 31: ...trate pump manually Remove the protection cap on the back gable and use a wrench to turn the water motor rotor Note Do not forget to put back the protection cap If initially there is much resistance to rotation which releases once there is movement increase the rotating interval to once every second week With salt water rotation must also be done at least every second week 7 3 4 Wet pipe system Le...

Страница 32: ...lter on the flushing line for cleanliness There are two filter types see 4 7 5 for more information If the filter is clogged make sure that it is emptied and returned to its previous placement Y strainer system must be depressurized before opening filter cap Or Ball valve with integrated filter close ball valve and open filter cap no depressurization necessary 7 4 2 Also check other filters in you...

Страница 33: ...the filter according to 7 4 1 7 5 4 Change oil in the pump see next point 7 6 Pump oil change The oil should be changed after the first year or first 50 hours of operation whichever comes first Thereafter the oil must be changed every year or after 100 hours of operation whichever comes first If the unit is installed in a climate controlled room with low humidity the time interval may be extended ...

Страница 34: ...en phone 46 8 551 196 10 info firemiks com www firemiks com screw back the oil dipstick by hand Check for leaks Note The extracted old oil must be collected in a suitable container and disposed of in an environmentally responsible way using the appointed method as required by law at the least ...

Страница 35: ...here is a risk that the concentrate pump is running dry that may damage it b Check if there are any valves in the suction line that are closed or partly closed or blocked filters in your installation c At suction scenario check if there is air leakage in the suction line The pump will also be noisier when sucking air Tighten the air leakage in those cases Also make sure that section 4 5 is fulfill...

Страница 36: ...use higher torque as you may cause damage or stretch the screw so making the assembly less strong b If this is not sufficient the O rings between gable and middle part must be replaced See 9 1 Water motor spare parts overview 8 6 Leakage between connection pipe and middle part on the water motor a See 8 5 a b If this is not sufficient the O rings between connection pipe and middle part must be rep...

Страница 37: ... c Check if any filter or other valves in the main line is filled with pollution Clean if necessary d Check that the main water pump is working correctly and that there are no air leakages affecting this pump 8 9 Excessive vibration noise a Excessive previously unheard vane noise loud ticking can be heard from the water motor during operation If this occurs on a used unit this can be an indication...

Страница 38: ...Page 38 43 Firemiks AB Instruction manual version SPFA FM P O Box 8155 104 20 STOCKHOLM Sweden phone 46 8 551 196 10 info firemiks com www firemiks com 9 Spare parts 9 1 Water motor spare parts overview ...

Страница 39: ...Page 39 43 Firemiks AB Instruction manual version SPFA FM P O Box 8155 104 20 STOCKHOLM Sweden phone 46 8 551 196 10 info firemiks com www firemiks com 9 2 Complete unit spare parts overview ...

Страница 40: ...s com www firemiks com 10 Tables and drawings 10 1 Table 1 Tightening torque stainless steel screws for FIREMIKS Screw material A4 70 Screw material A4 80 Dimension Tightening torque 5 Dimension Tightening torque 5 M6 7 Nm M6 9 Nm M8 17 Nm M8 22 Nm M10 33 Nm M10 43 Nm M12 57 Nm M12 75 Nm M14 89 Nm M14 119 Nm M16 136 Nm M16 181 Nm ...

Страница 41: ...5 of the total system weight Rubber and plastic components can be recycled in accordance with normal procedures for rubber and plastics The small volumes of ceramic materials in the seals and concentrate pump can be recycled separately Ingredients and Units The water motor consists essentially of aluminum or bronze or stainless steel and the motor wings of plastic PETF The O rings are made of rubb...

Страница 42: ...nd gravel and other debris that may wear out the volumetric water motor quickly In most cases the FIREMIKS can cope with occasional instances of isolated foreign objects up to 2 mm size If there is an acute risk of particles entering the FIREMIKS or when polluted or contaminated water is used the piping system must be designed so that there is a suitable filter or strainer where this pollution can...

Страница 43: ...rsonnel for maintenance testing purposes See 4 8 for more information 7 Maintenance 7 2 WARNING It is extremely important that at every service or maintenance of the unit you must assure yourself that the unit cannot be started by mistake 7 2 1 Close completely a shut off valve in the main water supply before the unit and make sure it cannot be opened while you are working on the unit see also 4 3...

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