Mikrofill 3, Technical Documentation Manual

Page 1: ...P R E S S U R I S A T I O N U N I T MIKROFILL 3 PRESSURISATION UNIT TECHNICAL DOCUMENTATION ISSUE 12 15 Rev 01 I N S P I R E D E F F I C I E N C Y ...

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Page 3: ...cal Diagram Electrical Data Keypad Functions System Data Up Power Down Service Mode Status Display Pressure Correct System Filling Filling Stopped due to Low Mains Water Pressure Frequent Use Service Mode Adjusting Settings Parameter Functions Fault Diagnosis Status Fault Conditions Status Fault Conditions continued Manual Override Component List Maintenance Removing the Controls Assembly Cleaning...

Page 4: ...t Start Current Fuse Rating Maximum Load BMS Relays CONNECTION DETAILS Cold Water Inlet System Outlet Drain via Tundish Maximum Inlet Pressure Maximum Cold Fill Pressure Nominal Flow Rate Dry Weight 1806078 230 Volt 1 Amp 1 Amp 3 Amp 5 Amp 15mm Compression 15mm Compression BSP 5 Bar 4 7 Bar 14 l min at 2 Bar 5 kg ...

Page 5: ...ly or a boosted cold water supply The unit is supplied complete with all necessary isolating valves and incorporates a basket filter in the inlet ballofix valve A flexible hose is supplied with the unit which MUST be connected to the inlet ballofix valve as shown in the diagram to the left Failure to do so may result in damage to the inlet pressure sensor due to water hammer resulting in a SENSOR ...

Page 6: ... in excess of 1000L capacity please contact our technical department IMPORTANT NOTE DRAIN Following every fill procedure the unit will discharge a small amount of water establishing an air break For this the unit is supplied fitted with a BSP tundish which must be connected to a suitable drain Mikrofill Systems Ltd cannot accept responsibility for any consequential damage caused by failure to conn...

Page 7: ...M OF A TYPICAL INSTALLATION Please note that for the purpose of clarity system valves are not shown For systems exceeding 90 C contact our technical department on 03452 60 60 20 for advice Further installation guidelines can be found on page 05 of this technical documentation ...

Page 8: ...ONS FOR FIXING IN MILLIMETRES A maximum size of No 8 screws or M4 bolts are to be used A minimum of 25mm clearance either side of the unit is required A minimum of 250mm clearance above the unit is required The unit must be fitted on a sound solid surface 262 205 170 177 ...

Page 9: ...the unit will first need to be removed by unscrewing the PZ2 screw located on the underside Removing this cover will reveal a 12 way terminal block with each connection labelled 1 9 for the volt free relays see electrical installation diagram below Live Earth and Neutral The wiring can be passed through the cable glands on the underside of the unit through an opening in the front casing then conne...

Page 10: ...w the calibration code for the unit s pressure sensors by pressing and holding it down for 2 seconds The top line of numbers displayed will relate to the calibration of the unit SERVICE MODE This is a multi function button that when the unit is in operational mode is used to mute the audible alarm conditions Pressing and holding this button for approximately 8 seconds will put the unit into SERVIC...

Page 11: ...proximately 8 seconds The display will indicate that you are now in SERVICE MODE You can then release the button The button can now be used to scroll through the various settings To increase or decrease the value of a setting use the or buttons respectively After adjusting the settings the unit will save any changes made and return to its normal operating mode when no button is pressed for approxi...

Page 12: ...which is calculated in minutes the less responsive the flood protection set at 0 00 to disable Lvl 1 Leak Alert protection refers to the amount of time in seconds that the unit will continue to fill the system once the cold fill pressure has been reached to prevent overshoot or undershoot of the fill pressure increasing the time prevents undershoot and decreasing it prevents overshoot warns of fre...

Page 13: ... requires a dynamic mains pressure of 0 3 bar or more above its cold fill setting If the mains pressure usually satisfies this requirement then the cause of the mains pressure drop should be investigated The filter in the included mains inlet ballofix valve should be removed and cleaned to ensure flow into the unit is not being restricted see page 17 for details If the unit operates more than the ...

Page 14: ...splay are fluctuating or the voltage is unstable when measured with a multimeter then there is likely an issue with the supply The unit can be powered from an alternative source or a power suppressor can be fitted to try and stabilise the incoming voltage to the unit In either case of SENSOR FAILURE the Mikrofill 3 can be put into MANUAL OVERRIDE to stop it from locking out any equipment on site d...

Page 15: ...PRESSION CHECK VALVE Ø 15mm CHECK VALVE WITH FLOW REGULATOR Ø 15mm CONTROLS ASSEMBLY WITH SENSORS ISOLATION VALVE OUTLET 15mm COMPRESSION NORMALLY CLOSED SOLENOID VALVE NORMALLY OPEN SOLENOID VALVE O RING NITRILE 3mm I D x 3mm C S 11 12 13 14 15 16 17 18 19 MK3000034 MK3000017 MK3000028 MK3000029 MK3000019 MK3000020 MK3000021 MK3000024 MK3000025 O RING NITRILE 14 5mm I D x 3mm C S PCB POWER PIPE C...

Page 16: ...PZ2 screwdriver to give access to the terminal block where the unit can then be disconnected electrically Once fully isolated and disconnected both mechanically and electrically the unit can be removed from the wall by unscrewing the slot head bolt on the topside of the unit and lifting then pulling the unit from its backplate With the unit removed from the wall the steps detailed on the following...

Page 17: ...d be taken as the front and back casing will still be connected together with wiring If required the wiring can be separated using the plug and socket connectors so that the front casing can be fully detached Three PZ2 screws will be holding the manifold assembly in place inside the casing Unscrewing these will allow the entire assembly to be slid forward out of the casing granting easy access to ...

Page 18: ...s Moat Redditch B98 9HL declare that the Mikrofill 3 pressurisation unit satisfies the essential requirements of the Electromagnetic Compatibility EMC Directive 2004 108 EC and the Low Voltage Directive LVD 2006 95 EC and is manufactured in accordance with the harmonised European standard BS EN 60730 1 2011 Signed by Steven Cherrington Technical Director United Kingdom 28th August 2015 ...

Page 19: ...ISO 9001 Registered Quality Management 015 ...

Page 20: ...North Moons Moat Redditch Worcestershire B98 9HL UK T 44 0 3452 60 60 20 F 44 0 3452 60 60 21 E info mikrofill com www mikrofill com Mikrofill Systems Ltd 11 Merse Road ...