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Mash Bath

I N D U S T R I A L E Q U I P M E N T & C O N T R O L P T Y . L T D .

6 1 - 6 5 M c C l u r e S t . T h o r n b u r y . 3 0 7 1 M e l b o u r n e . A u s t r a l i a

T e l : 6 1 ( 0 ) 3 9 4 9 7 2 5 5 5 F a x : 6 1 ( 0 ) 3 9 4 9 7 2 1 6 6

E m a i l : i e c @ i e c p l . c o m . a u

M A S H B - 2 0 1 9 0 3 1 4 . d o c 1 4 - M a r - 1 9

3 3

MODELS PRIOR TO OCTOBER 2015 use “Goyen” solenoid valves.:

Solenoid valves: all 24V.AC. coils.

Supplier: Goyen Pty.Ltd. Melbourne Australia.

Mains water into machine: Poppet, Goyen 1/4" 4B6M-ENBNT-6021

Mains water heat exchanger: Poppet, Goyen 1/4" 4B6M-ENBNT-6021

D/Water into machine: Diaphragm, Goyen 1/2" 12BWJ2-ENBNT-6021 0-1000kPa

NOTE:: For both low and higher pressure distilled water supplies.

Distilled Water Dispensing: Poppet, Goyen 1/2" 12BL2-ENBNT-6021 0-40kPa

Main tank Drain: Poppet, Goyen 1/2" 12BL2-ENBNT-6021 0-40kPa

MODELS FROM OCTOBER 2015 use Asco solenoid valves:

Solenoid valves: all 24V.AC. coils.

Supplier: Ascomation Pty. Ltd. Sydney NSW Australia.

Mains water into machine: Poppet, Asco SCE262C208 1/4" BSP 0-7Bar

Mains water heat exchanger: Poppet, Asco SCE262C208 1/4" BSP 0-7Bar

D/Water into machine: Diaphragm, Asco SCE210C94 1/2" BSP 0-10Bar

NOTE: This valve is for both low and higher pressure distilled water supplies.

Distilled Water Dispensing: Poppet, Asco SCE030A17 1/4" BSP 0-2Bar

Main bath Drain: Diaphragm. Asco SCE210C94 1/2" 0-10Bar

Stirrer magnets:

Type PW40 Alnico grade #5. ‘U’ shaped power magnet.

Stirrer bearings:

# 626ZZ (2x shields)

Belts (‘O’ rings):

Motor to stirrer: BS139 S70 Silicone Rubber.

Stirrer to stirrer: BS154 E70 Ethylene Propylene rubber.

Lid seals around pots:

Special IEC seals for 500ml pots

Содержание MASH BATH

Страница 1: ...H This manual covers all models for 2019 Designed and Manufactured by Industrial Equipment Control Pty Ltd Melbourne Australia MASHB 2018 02 01 pdf BENCH MODELS 6 9 12 and 16 head Image shows 9 Head with touch panel control system and distilled water heating tubes Belts are no longer used for stirrer drives FLOOR MODELS 16 20 25 and 30 head Image shows 20 Head with touch panel control system and d...

Страница 2: ...illed water storage and a quick action dispensing system All models are controlled by a touch panel system that eliminates all buttons and switches The program is visible to the user as a graph with a time line progressing to indicate the status All the required information is displayed and all programs can be fully edited to suit the requirements of the laboratory Floor models are complete with a...

Страница 3: ...ot Stirrers are driven directly by independent motors Belts and pulleys are no longer used If one drive should fail it is automatically shut down without disturbing any other drives Drives are easily replaced in minutes The temperature time ramping of the bath is held to close accuracy The bath automatically preheats the water to the programmed temperature and provides an audible alert to advise w...

Страница 4: ... a manual setting to override the programmed volumes without requiring a change to a program All the larger sized floor mounted machines fit through standard width doorways IEC designs and manufactures a range of excellent Mash Baths Floor mounting Mash Baths for 16 20 25 or 30 Pots with magnetic stirring and distilled water storage temperature control and automatic dispensing Bench mounting Mash ...

Страница 5: ...e either 50 or 60 Hz Please contact IEC for other voltages if required BENCH MOUNTING MODELS SIZE SINGLE PHASE AMP THREE PHASE AMPS phase HEATER bath SIZE WxDxH cm 6 head 240V 1 ph 14 N A 1x 3 1 kW 45x61x46 208V 1 ph 16 N A 9 head 240V 1 ph 14 N A 1x 3 1 kW 56x61x46 208V 1 ph 16 N A 12 head 240V 1 ph 18 415V 3 ph 9 2x 2 0 kW 56x72x46 208V 1 ph 21 208V 3 ph 17 16 head 240V 1 ph 18 415V 3 ph 9 2x 2 ...

Страница 6: ...ity feed the still should be mounted at least 1 metre higher than the Mash Bath so the head pressure is sufficient Because of the low source pressure the hose and the connection from the distilled water source should be large in diameter The distilled water may be supplied by a 12mm bore rubber hose and hose clip to the hose tail provided on the machine In some labs the distilled water will be sup...

Страница 7: ... single phase connection join all 3 contacts on the contactor together to the one power phase For 110V machines the heaters are 110V rated Neutral and earth must be connected to terminal blocks For connections for 208V AC 2 phase USA Canada the connections are different because they connect between phases For all systems the machines are the same and only the connections of wiring are different If...

Страница 8: ...hat depending on mains power it may be a 110 24V AC 60Hz transformer Approx 4 amps In some cases it may provide 24 or 26 or 28V AC output Mains contactor to isolate mains power from heaters Set of several circuit breakers mains power for transformer and heaters One circuit breaker Low voltage 24V AC for touch screen and control circuits Terminal block Low voltage 24V AC COMMON side Temperature pro...

Страница 9: ...ing vertically through the aluminium rail at the front requires an allen key Support the weight while extracting the rail from its support hole at the far end To change a motor and magnet assembly undo the 2x wing nuts and remove the spring washers that hold the motor bracket to the PCB Unplug the 2x motor wires from the small socket and unplug the 3x speed control wires from the socket To fit a n...

Страница 10: ...loor mounting units lift the cover from the d w tank and remove it to permit visual access Observe the temperature sensor upper and lower level switches the pump plus the heat exchanger cooling coil mounted towards the front If the U shaped bracket is not yet fitted to the cover with fingers remove the small dress plug from the socket that is preferred for the mounting the control housing Place th...

Страница 11: ...e the arrow buttons to select the desired program When ENTER is pressed the temp time graph of the selected program will appear on the screen Press EXIT and return to the selection display At this time we can say the machine is operational NOW READ THE OVERVIEW SECTION DESCRIBING THE DIFFERENT DISPLAYS AND THE OPTIONS AVAILABLE OVERVIEW A TYPICAL MASH The Mash Bath is designed to accept a certain ...

Страница 12: ...al d w volume is placed in the smaller pots and they are inserted into the bath lid The next alert 2 sounds at the correct point in the program but the program does not HALT The operator one by one lifts the small pots from the bath and adds the contents to the corresponding sample pot see note above relating to floor models THE MASHING CONTINUES At the end of the program the slower END alert 3 so...

Страница 13: ...Alerts are used for several purposes To make sounds of different patterns to alert the operator that the preheat is finished or the top up is required now or that the cycle is finished To alert the operator that the machine is in distress because of low water level in either tank or faulty temperature probe To STOP the audible alert at any time a Shhh button is provided on the touch screen The ale...

Страница 14: ... before the mash program is completely finished An extra step is created with COOL D W set to YES PROGRAMS ALREADY INSTALLED When supplied several selectable programs are already installed in the machine When in the SELECTION display one program must be selected by the arrow buttons and if the bath and d w are full of water the selected program can be ENTERED If the bath and d w are not full a pro...

Страница 15: ... next mash Press START to enter the system The system provides 8 different programs and 8 steps inside each program When START is pressed if either the bath or the distilled water tank is low in level they will both fill A cycle cannot be started until bath and tank are full From START to SELECTION The list of programs shows and arrow buttons permit selection All programs may be edited Tank Status...

Страница 16: ...un The machine STATUS is shown and the audible volume of the various ALERTS can be altered to suit lab noise conditions Fault Alarms are always fixed at full volume For testing equipment the mash cycle can be run with the heaters OFF CNTRL display CNTRL to D W CNTRL Floor models only D W tank cannot be filled beyond full Cooler heat exchanger is automatic but can be turned ON or OFF If forced ON w...

Страница 17: ...ng in all the program data again DIAGNOSTIC 1 display DIAG to DIAG2 As above this display is for maintenance and fault finding The status of the PLC outputs is displayed including the counts and flow rate from the dispensing flow meter floor models only The PLC drives the magnetic stirrers the alert beeper and d w dispensing pump so that each is adjustable The value applied to each device is monit...

Страница 18: ...to continue For this particular program Step 1 starts at 45 o C and remains 45 o C for 30 min Step 2 climbs a temperature ramp from 45 o C to 70 o C over 25 min At the top of the ramp step 3 is triggered PROGRAM RUN display At the start of step 3 alert 2 sounds to call the operator to add d w to each mash pot The volume to add 100 ml displays on the screen see screen above at step 3 The program do...

Страница 19: ...play when not in cycle If in cycle RESET must be pressed before EXIT GO starts program and will always cancel HALT When program is RUNNING the STEP button moves line forward to the start of the next step of the program HALT will stop a program at any point The stirrers stop and the timers stop but the bath maintains current temperature To cancel HALT press GO When HALTED the HALT button changes to...

Страница 20: ...e Press stir to cycle through the options NO YES INTERMITTENT For step0 stir is normally NO Press below the arrows to cycle through the cooling options WARM BATH SLOW COOL DRAIN ONLY DRAIN REFILL DRAIN REFILL twice HOLD COOL Press HELP for assistance Press HELP for useful information Press EDIT for other program items that can be edited Press EXIT to revert to the SELECTION display See next images...

Страница 21: ...the display at all steps STEP 2 display STEP3 The start o C 70 o C is copied from the end o C of the previous step It cannot be altered Press min and set to 60 Press and set end o C to be 70 o C This means the temperature will remain at 70 o during the 60 minutes time Set alert to 2 When program reaches step3 this alert will sound to remind operator to add d w Vol is displayed Set d w ml to 100 ml...

Страница 22: ...l appear in display Set alert to 3 END alert d w ml is ZERO Set stirring to YES so that stirring continues during the cooling cycle Cooling Cycle The bath will drain empty then will refill with cold water When full remove pots or allow to cool for longer time Press EDIT for more STEP 5 display This display assists operators to remember that alert sounds and d w volumes display as a step is entered...

Страница 23: ...SET so the bath temp control matches the thermometer Is normally within 0 5 o C COOLING If bath temperature exceeds set temperature by 2 o C or more the COOLING function adds cold water to the bath This display permits adjustment of the cold water time ON and time OFF for the best cooling function Typical 5s ON 5 to 10s OFF EXIT reverts to Program Editing STIRRING moves to editing stirring functio...

Страница 24: ...hange in volume up or down OR both EXIT reverts to Program Editing P WORD moves to editing the password D W TEMPERATURE display ALTER PASSWORD When machine is supplied password is 1111 This can be altered to any other 4 digit password To alter any password at any time press the centre area A keyboard will appear asking for the current password to be entered Enter 4 numeric digits and press the ENT...

Страница 25: ...e fuses which are 3 amp All fuses to the stirrers on the stirrer bank PCBs and the circulation pump horizontal fuses inside the control unit are 3 amp If necessary refer to electrical layout drawings provided THE STIRRER BELTS For longest life the O ring belt material for the stirrer motor and for the belts between stirrers is Ethylene Propylene rubber Other grades tend to fatigue and break premat...

Страница 26: ...s from the PLC vertical fuses inside the control unit are 2 amp but the solenoid valve fuses are 3 amp All fuses to the stirrers on the stirrer bank PCBs and the circulation pump horizontal fuses inside the control unit are 3 amp If necessary refer to electrical layout drawings provided HOW THE BELT FREE SYSTEM WORKS Each bank of stirrers is fed with 24V DC to power all the motors on that stirrer ...

Страница 27: ... in one hand while twisting and pulling the motor from the top Tools are not required The motor complete with the location boss assembly should extract from the pump barrel Unscrew the insulating adaptor from the metal location boss then unscrew the motor from the insulating adaptor Remove the insulated coupling from the motor shaft and fit it to the new motor making sure it is in the same positio...

Страница 28: ...to check input status For bath to be filling upper level switch status should be ON input at I Move upper float and see input status change When float is in UP position input should show O When DOWN input should show I If the overflow pipe in the bath is set too low or if the upper switch is set too high incoming water will flow over the overflow pipe and bath can never fill Check that overflow pi...

Страница 29: ...as a series of asterisks Alarm should sound several short beeps with 1 minute time between beeps The red LED on the control unit will be ON steady Any alarm fault will display in the SELECTION display and in the PROGRAM RUN display Wrong program selected Faulty heater or a heater circuit breaker tripped Will not DRAIN at the end of a cycle Cycle not at the END step The word END should appear on th...

Страница 30: ...open CAUTION S Valve coil can burn out NOTE For systems with pressurised distilled water IEC can fit a higher pressure solenoid valve in the distilled water circuit Will not dispense distilled water OR slow dispensing Manual D W volume set to ON but d w volume set to small volume See D W CONTROL display CAUTION If the manual distilled water volume is set to a value and is ON this volume will overr...

Страница 31: ...as an alarm similar to the bath sensor fault Faulty heater or heater circuit breaker tripped Wrong initial fill volume or no initial volume dispensed Initial dispense volume set into the wrong program step The initial fill volume MUST always be set in step 1 Manual dispensing set as ON See D W CONTROL display If set ON this volume overrides the programmed volumes and is always dispensed This setti...

Страница 32: ...ble inside manual for sizes of the various heaters for the different models Electric motors for stirrers Supplier Industrial Equipment Control Pty Ltd Melbourne Australia 12V DC 3800 RPM 3mm diameter shaft Electric motors for pumps Supplier Industrial Equipment Control Pty Ltd Melbourne Australia or Electus Pty Ltd 12V DC 5mm diameter shaft Solid State Relays Low voltage DC turn on Supplier BI Con...

Страница 33: ...d Water Dispensing Poppet Goyen 1 2 12BL2 ENBNT 6021 0 40kPa Main tank Drain Poppet Goyen 1 2 12BL2 ENBNT 6021 0 40kPa MODELS FROM OCTOBER 2015 use Asco solenoid valves Solenoid valves all 24V AC coils Supplier Ascomation Pty Ltd Sydney NSW Australia Mains water into machine Poppet Asco SCE262C208 1 4 BSP 0 7Bar Mains water heat exchanger Poppet Asco SCE262C208 1 4 BSP 0 7Bar D Water into machine ...

Страница 34: ... 4XB All relay outputs 3 amp Audible Alert Beeper 24V DC Supplier Switches Plus Pty Ltd Melbourne Australia Cat MC 07 130 SR Floyd Bell Co USA 24V DC Float Switches in bath and d w tank Stainless Steel RIKA type RFS2 2 reed switch type Supplier Eaton Electric Systems Pty Ltd Electrical hardware Fuses on PLC outputs All Solenoid valves 3 Amp Other circuits 2 Amp Fuses to all electric motors 3 Amp U...

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