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These instructions contain operating information and should be left with the unit. 

 
 
 
 
 
 

 
 
 

 
 
 

 

Electrode Boiler Units 

 

LE 

 

Installation & Operation Manual 

 

Edition 3.2.2 

 

(For use with Software version 7.1 & subsequent issues)

 

 
 

 
 
 
 
 
 
 
 

Installation in countries covered by EC Directives:

 

This product meets the requirements of the RoHS Directive 2002/95/EEC

 

This product will meet the requirements of the Low Voltage Safety Directive 

2006/95/

EEC and the EMC 

Directive  

2004/108/

EEC when installed in accordance with the instructions contained in this manual.

 

Failure to comply with these instructions may invalidate the manufacturer's warranty or any 

certificate/declaration of conformance requested to be supplied with the unit. 

 

Summary of Contents for LE05

Page 1: ...rectives This product meets the requirements of the RoHS Directive 2002 95 EEC This product will meet the requirements of the Low Voltage Safety Directive 2006 95 EEC and the EMC Directive 2004 108 EEC when installed in accordance with the instructions contained in this manual Failure to comply with these instructions may invalidate the manufacturer s warranty or any certificate declaration of con...

Page 2: ...ng Head 20 1 6 6 Security Circuit E P O Shutdown 20 1 6 7 Load Shed Option 20 1 6 8 Master Slave System 21 2 0 Start Up Operation 22 2 0 1 Start up check list 22 2 0 2 Start Up Instructions 22 2 0 3 Commissioning Start Up 22 2 0 4 Features of VAPANET Electode Boiler Unit 22 2 1 Service Advice 23 2 1 1 Procedure for cylinder Exchange 23 2 1 2 Typical Cylinder Electrode Layouts 23 2 2 1 Feed Valve w...

Page 3: ...winding connection is correct for the supply voltage at Vapac terminals A1 A2 The Vapac transformer must not be used to power other equipment Do not mount the LR unit close to a source of strong electromagnetic emissions such as a variable speed motor drive Kva transformer or UPS unit A minimum gap of 2 meters must be maintained between the unit and such devices Larger output devices may require a...

Page 4: ...it in an unventilated enclosure Don t mount in a position requiring ladder access to the unit Don t mount the unit behind a false ceiling or other situation where an unusual malfunction e g water leak would cause damage Don t mount the unit in an area which will be hosed down Don t install the unit where the ambient temperature can exceed 35oC or fall below 5oC Unless frost protection kit fitted D...

Page 5: ...el references LE30 All LE45 All LE55 All Left View from beneath unit showing F Feed BSP male connection for connection for flexible hose provided with unit D Drain connection for 35 mm pipe Right View from beneath unit showing the electrical gland plate approx 120 mm x 120 mm with an entry hole approx 105 mm x 90 mm Left Top view of unit showing steam outlet position 54 mm spigot Below Rear view o...

Page 6: ...et Size 4 Covering model references LE60 All LE90 All LE110 All Left Top view of unit showing steam outlet positions 54 mm spigots Below Rear view of unit showing wall mounting points Left View from beneath unit showing F Feed BSP male connection for connection for flexible hose provided with unit D Drain connection for 35 mm pipe Right View from beneath unit showing the electrical gland plate app...

Page 7: ... 85 1000 500 LE05 All With RDU 85 1000 200 LE09 All No RDU 85 1000 500 LE09 All With RDU 85 1000 250 LE18 All No RDU 85 1000 500 LE18 All With RDU 85 1000 500 LE30 All No RDU 85 1000 500 LE30 All With RDU 100 1000 750 LE45 LE55 No RDU 85 1000 500 LE45 55 With RDU 200 1000 775 LE60 110 All Twin Cylinder No RDU 85 1000 500 A minimum clear space of 1 m is required in front of the unit for maintenance...

Page 8: ...le under 2m for max efficiency Do arrange to have a vertical rise immediately over the unit of 300mm Do use the full height available between the unit and steam pipe to provide maximum slope min 12 20 for condensate to drain back to the steam cylinder or down to a condensate separator Always provide a continuous slope Do provide adequate support to prevent sagging a fit pipe clips every 30 50cm or...

Page 9: ...r seepage occurs undo the nut to wipe the washer clean and re seat it 1 3 2 Drain connection General Do s Do ensure metal drain and supply water pipework is grounded electrically close to the unit a ground earth stud is positioned on the underside of the cabinet Drain capacity per cylinder Max pump flow rate at Power supply frequency l min Hz 16 8 17 2 50 60 Do s Do use copper or plastic pipe rate...

Page 10: ...ition marked with the supply Voltage that is to be connected between VAPANET power terminals A1 and A2 The transformer primary circuit terminal positions are clearly marked 200V 230V 380 415 440V If the actual measured site voltage is 400v the preferred tapping is 380V The transformer is fitted below the Drain tray and is accessible by removing two screws and the cover which should be slid it towa...

Page 11: ...g 547 Normally open when unit is in standby or fault not running If the unit is part of a master slave system or network the run fault outputs can be selected via keypad display as either network system or unit only This is selectable at Service Engineers Level in the Engineering Menu in the window Fault Run Scope The default is network It is possible to get both alarm Run indication in all units ...

Page 12: ... to match it to the Voltage connected to Vapac terminals A1 and A2 The transformer also has a 9V secondary tapping which provides power to the VAPANET 1150630 PCB Important The Vapac transformer must NOT be used to power other equipment or the warranty will be invalidated 1 4 6 RDU Connection Vapac terminals 25 26 are included to provide a 230Vac electrical supply for the fan motor in the RDU Room...

Page 13: ... SECONDARY 210 250 V 200 250 V 1Ph N earth 200 250 V 2Ph earth 380 440 V 2Ph earth Power connection details for LExx Units Units without Solid State Relays Power connection Details for LExxP Units Units fitted with Solid State Relays ...

Page 14: ...ower input rating Kw 3 79 3 79 3 76 3 96 3 77 3 99 6 76 6 83 6 9 6 93 6 85 6 9 Electrical Supply Ph s 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph No of electrodes 3 3 3 3 3 3 3 3 3 3 3 3 Full load Current A 11 5 10 6 6 5 5 5 5 20 5 18 11 10 5 10 9 5 Maximum overcurrent A 17 25 15 9 9 8 25 8 25 30 75 27 16 5 15 75 15 14 25 Fuse Rating phase A 25 20 16 16 10 10 32 32 20 20 20 16 Supply cable ter...

Page 15: ...22 5 Electrical Supply Ph s 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph No of electrodes 6 6 6 6 3 3 3 3 3 3 3 3 Full load Current A 68 68 59 59 35 5 35 5 34 34 32 5 32 5 31 31 Maximum overcurrent A 74 8 74 8 64 9 64 9 39 05 39 05 37 4 37 4 35 75 35 75 34 1 34 1 Fuse Rating phase A 80 80 80 80 50 50 50 50 40 40 40 40 Supply cable terminals mm2 35 35 35 35 16 16 16 16 16 16 16 16 Unit Total F L...

Page 16: ...37 41 37 Electrical Supply Ph s N A N A N A N A 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph No of electrodes N A N A N A N A 6 6 6 6 6 6 6 6 Full load Current A N A N A N A N A 66 66 62 62 60 60 57 57 Maximum overcurrent A N A N A N A N A 72 6 72 6 68 2 68 2 66 66 62 7 62 7 Fuse Rating phase A N A N A N A N A 80 80 80 80 80 80 80 80 Supply cable terminals mm 2 N A N A N A N A 35 35 35 35 35 35 35 35 Unit Tota...

Page 17: ...ng Kw 3 73 3 79 3 82 3 73 3 87 3 79 6 74 6 76 6 81 6 89 6 85 6 94 Electrical Supply Ph s 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph 3Ph No of electrodes 3 3 3 3 3 3 3 3 3 3 3 3 Full load Current A 13 11 5 7 6 5 6 5 6 23 5 20 5 12 5 12 11 5 11 Maximum overcurrent A 19 5 17 25 10 5 9 75 9 75 9 35 25 30 75 18 75 18 17 25 16 5 Fuse Rating phase A 25 20 16 16 16 16 40 32 20 20 20 20 Supply cable termi...

Page 18: ...8 59 41 35 5 39 34 37 5 32 5 35 5 31 Maximum overcurrent A 85 8 74 8 74 8 64 9 45 1 39 05 42 9 37 4 41 25 35 75 39 05 34 1 Fuse Rating phase A 100 100 100 100 50 50 50 50 50 50 50 50 Supply cable terminals mm 2 35 35 35 35 16 16 16 16 16 16 16 16 Unit Total F L C A 146 127 76 5 73 70 66 5 Wiring diagram A4LZD 561 562 561 562 559 562 559 562 559 562 559 562 Cabinet size 4 Model Ref LE90P Cylinder 1...

Page 19: ... generated by Master Response 8 100 1 6 3 Control Signal Selection Selection of the control signals is done a part of the initial set up procedure using the keypad display For confirmation that the signal has been selected view the information window If the unit has not got a keypad then this is done on the configuration board 1150634 mounted on the main control board 1150630 using the jumpers pro...

Page 20: ...be set to Shutdown NB breaking terminals 9 10 will prevent any unit operation including frost protection 1 6 7 Load Shed Option This can only be evoked via a display either hard wired or hand held When this option is selected making the connection between terminals 11 12 will activate the load shed software routine which will inhibit the operation of either the unit or in the case of twin cylinder...

Page 21: ...lete confirm the fact by pressing the service pin on the master PCB until user LED2 goes green this step is not necessary if all nine slave cylinders are configured xxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx Esc Vapac J2 Vapac part no 1150631 CR1 Net J1 Vapac PART No 1150630 16 CR5 1 Net CR7 J6 J5 CR6 1 6 6 10 CR3 16 J1 J2 J3 1 F2 CR1 1 F1 CR2 J4 1 ...

Page 22: ...rred language Attaching the control PCB to the Display nominating the type quality of the supply water nominating the control signal or Vapac sensor when being used When the control signal has been nominated the Set Up will be entered into the memory The Set Up can then be checked by reading the information menu If an error has been made it will be necessary to go back to the Set up menu If no dis...

Page 23: ...ct the steam hose 4 from the top of the cylinder 6 Using a twisting movement lift the cylinder clear of its seating in the feed drain manifold and carefully remove the used cylinder from the unit 7 Inspect the feed drain manifold to ensure to ensure this is clear of sediment 8 The drain pump can be removed for inspection and cleaning by following the instructions below 9 With the pump back in posi...

Page 24: ...follows Turn off the water supply to the Unit Undo the nylon nut connecting the flexible connection to the valve inlet The strainer can be removed using long nosed pliers to grip the centre flange provided on the strainer for this purpose Withdraw the strainer Wash and replace it Reconnect and turn on water supply Reconnect electrical supply to allow unit to operate Note Always replace the straine...

Page 25: ...sc Vapac Reset Button Cylinder 1 On Off Drain Switch Cylinder 2 On Off Drain Switch Network LED Red Network Button Service Pin User LED s Power Available Neon Cylinder 2 On Off Drain Switch Cylinder 1 On Off Drain Switch Alpha Numeric Display Network LED Red Network Button Service Pin Power Available Neon User LED s Vapac 0 I ...

Page 26: ...ration PCB part number 1150634 which is fitted to CR4 if no display is fitted See page 16 of manual for more details Ensure that good electrical contact is made in each case 2 a For units without a display check that UCP2 is fitted to the configuration PCB see page 16 of the Installation Operation Maintenance Manual and that jumper J2 is set to electro boiler and J1 is set for the correct site con...

Page 27: ...e RED Flashing Variable Period or ON OFF OFF Cylinder 1 Startup Cylinder 2 if fitted in standby Cylinder 1 Online Cylinder 2 if fitted in standby The variable period is determined by the demand signal for cylinder 1 as follows Cylinder 1 demand LED ON RED LED OFF 12 5 0 5 seconds 3 5 seconds 25 1 0 seconds 3 0 seconds 37 5 1 5 seconds 2 5 seconds 50 2 0 seconds 2 0 seconds 62 5 2 5 seconds 1 5 sec...

Page 28: ...rrent subsequently falls to less than 60 of the demand current for period of 4 hours run time If this indication is seen the cylinder should be inspected as soon as possible If it is not convenient to carry out this inspection immediately it is possible to postpone it for a short time 3 4 1 To Postpone the Sevice Press the reset button once The appropriate cylinder LED will change to constant ambe...

Page 29: ...intervention 6 Event Completed If one of the above conditions have been implemented when it has been completed the unit by default will continue to run however it is possible to change this to stop via a display either fitted or hand held if this is the case this condition will be exhibited and the unit will not run until the condition has been reset by either i Units fitted with an Alpha numeric ...

Page 30: ... 0 50 Timed Drain down Used to drain all the water from the cylinder if the unit remains on standby for longer than a preset but adjustable time period For information on setting these options please see the display manual Cylinder 2 If fitted 1 2 Network LED Red User LED2 Red Amber Green Network Button Service Pin User LED1 Red Green Amber Unit Off Over Service Interval Service Routine Manual Ser...

Page 31: ...eck should be carried out by a competent electrician Equipment needed An AC Voltmeter multi meter set to full AC line voltage or suitable voltage test instrument Procedure 1 Remove access panels from both the steam cylinder and electrical compartments 2 Ensure that the humidifier has an operational level of water in the cylinder Switch unit on and check that the display indicates Vapac on line 3 A...

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Page 43: ... constricted leading to excessive pressure in the steam lines N B Standard steam distribution pipes are manufactured such that any condensate is drained back towards the Vapac steam cylinder Reverse slope pipes are available and are fitted with a drain connector to enable condensate to be taken away to a suitable drain min 300mm R B L H min 20mm L B H min 20mm B L R min 20mm X Y Y X min 20mm AIR F...

Page 44: ... indicates that a reverse slope steam pipe is required This is fitted with a drain point to allow condensate to be taken away to a convenient drain Figure 2 shows recommendations on how to space one or more steam pipes in a horizontal duct Figure 3 shows recommendations on how steam pipes should be spaced in a vertical duct Figure 4 shows mounting details for 35 and 54 Ø steam pipes NB The duct sh...

Page 45: ... escaping via the condensate drain connection 3 Care should be taken to support steam hose sufficiently such that no kinks are formed which would flood with condensate causing the bore of the tube to become constricted leading to excessive pressure in the steam lines 4 The duct should be clear of obstructions transformations and bends until the steam has been absorbed into the airflow Vapac Humidi...

Page 46: ...y Vapac Humidity Control Ltd April 2014 Printed in Great Britain Vapac Humidity Control Ltd reserve the right to change the design or specification of the equipment described in this manual without prior notice 0410270 ...

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