Vapac VapaNet LFE Series, Installation & Operation Manual

Page 1: ...s 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 conformanc...

Page 2: ...al Selection 10 1 6 5 Security Circuit E P O Shutdown 10 1 6 6 Drain operation 11 2 0 Start Up Operation 11 2 0 Start Up Operation 12 2 0 1 Start up check list 12 2 0 2 Start Up Instructions 12 2 0 3 Commissioning Start Up 12 2 0 4 Features of VAPANET Electrode Boiler Unit 12 2 1 Service Advice 12 2 1 1 Procedure for Cylinder Exchange 12 2 2 Service and Maintenance 14 2 2 1 Feed Valve with Straine...

Page 3: ...ht Check that the transformer primary winding connection is correct for the supply voltage at Vapac terminals A1 A2 The Vapac transformer must not be used to power other equipment To comply with EMC aspects see recommendations on page 8 Use a high limit humidistat to ensure positive interruption of unit operation when over humidification is detected It is important to note that the control signal ...

Page 4: ...uld prevent access to the under side Don t mount the unit in an area which will be hosed down Don t install the unit where the ambient temperature can exceed 35 C or fall below 5 C Don t mount the unit inside a cold room or other place where temperature and humidity conditions can cause condensation on electrical components Don t mount the unit where the sound of a contactor opening closing and wa...

Page 5: ...with the four blanking plates provided with unit The spigot should be placed in one of three positions as shown below the other two outlets should be blanked off Duct work connections view from under side of unit Discharge end Inlet end Note only one spigot is required each end the other two ports must be blanked off with blanking plates provided The spigot dimensions are The unit can have free ai...

Page 6: ...in at 60 Hz Do s Do use copper or plastic pipe rated for 110 oC Do arrange to discharge drain water from the unit into a trapped and vented drain at a position where flash steam rising from the drain line vent will not pose a problem for the Vapac or other equipment Do provide adequate fall for the drain pipe work to allow free flow of water drained from each unit Do ensure drain line pipe size wi...

Page 7: ...Arrangement Control Cable Security Circuit Screening Arrangement Tail to be kept short less than 50mm Cables to control terminals Screen left intact Outer insulation Earthed back panel Note 24 V a c Control Circuit Transformer Primary Circuit 3 15 A 20 mm T Time Lag fuse Pt No 1080096 mounted on VAPANET Echelon PCB Pt No 1150655 There is one control fuse which protects the transformer primary circ...

Page 8: ...o the Vapac cabinet or within easy reach and readily accessible In Vapac VAPANET units terminals L and N are for the power supply connections 1 4 4 Cable Entry Provision Cable glands must be used to ensure cables are held securely at the entry position 1 5 Cylinder Electrical demand loads 1 5 1 LFE05 Units Model Ref LFE 05 DE RATED OUTPUT LFE 05 UNIT Nominal Output Kg hr 5 5 2 5 3 3 5 4 4 5 Nomina...

Page 9: ...l Selection below 1 6 3 Proportional Control The VAPANET Electrode Boiler LFE models can all be operated by either a potentiometric signal or by one of the following standard proprietary DC analogue signals Input signal Standard On Off 1 0 5 V dc 2 0 10 V dc 3 2 10 V dc 4 1 18 V dc 5 0 20 V dc 6 4 20 mA 7 Pot Response 20 100 NB The control signal is connected to ground at the PCB if the controller...

Page 10: ... P O Shutdown As standard units are shipped such that terminals 9 10 are provided for connection of an E P O Emergency Power Off switch or fire shutdown facility Other control interlocks such as high limit humidistat airflow switch and or fan interlock and time switches etc should also be connected here Use of the 24V supply of the VAPANET unit to power other items of equipment will invalidate the...

Page 11: ...nk 58 DI3 Link for Additional drainage If required 1 6 6 Drain operation As standard the unit is set for Economy mode which has a reduced automatic drain rate which will reduce the amount of hot water and therefore energy which is expelled to drain If the supply water is very conductive or if the unit experiences operational difficulties it may be necessary to introduce additional drain cycles thi...

Page 12: ...d the unit is switched on the user LED s will flash green amber at a rate depending on the demand input and the actual current drawn The actual run current is monitored and until the actual current has two feeds above 95 the LED will flash green amber when the current is above 95 for two consecutive feeds the LED s will flash red 2 0 4 Features of VAPANET Electrode Boiler Unit The VAPANET system o...

Page 13: ... clear the right hand mounting support When it is clear lower the drain tray clear of the unit B Remove the cylinder as follows 1 Slide the drain pump and feed adaptor away from the cylinder until they are clear of the cylinder feed drain boss and the pump body is clear of the pump mounting plate Take care to note the orientation of the pump on the mounting plate as it will fit on more than one fa...

Page 14: ... flow control restrictor which is fitted in the valve 2 2 2 Drain Pump The pump should be inspected and cleaned regularly It is recommended that this is done at each cylinder exchange especially in hard water areas Failure to keep the pump clear and operational will result in reduced cylinder life To remove the pump for maintenance purposes proceed as follows Depress and hold the manual drain swit...

Page 15: ...15 3 0 Location of Indicators and Controls 3 1 Positioning of Indicators and Controls on Vapac Vapanet LEFC Units ...

Page 16: ... RED Flashing 2 second period Unit initialising If remains in this state then unit does not a valid UCP1 fitted Prior to the start of the initialisation process the LEDs will flash Green Red Amber repeatedly for 10 seconds to check that the LEDs are operating correctly Remedy 1 Check that UCP1 is fitted to plug fitted to CR4 pins 7 8 see page 12 ...

Page 17: ...nit Online The variable period is determined by the demand signal 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 seconds 75 3 0 seconds 1 0 seconds 87 5 3 5 seconds 0 5 seconds 87 5 ON RED Continually The above are purely indications of the current state of the unit and require no action...

Page 18: ...ne voltage can be measured here check the wiring between CR1 pins 5 6 of the same daughter board and CR2 pins 1 3 of the main control PCB If this is also correct then either the daughter board or the main control PCB is faulty Once the fault has been cleared the LED indications will revert back to the cylinders current state 5 Service the unit by following the instructions on pages 15 16 User LED ...

Page 19: ...19 3 3 Facia Label symbols 1 ...

Page 20: ... cylinder Water in cylinder and overflowing Checks Check water stop valve is open Check internal Vapac hose connections for a leak Check internal hoses for kinks or obstructions Unit On Line but inadequate or no steam production Possibilities Contactor not made Cylinder scaled up Checks Contactor coil Control PCB Cylinder Inspection replace if necessary Automatic Stop Drain Fault indicated Possibi...

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Page 22: ...umber 1150656 8 8 3 1 2 P1 93 92 90 91 2 1 SHUTDOWN EPO TEMPERATURE INPUT ALARM FAULT RUN STATUS INPUT CONTROL DAUGHTER BOARD PART NO 1150636 RIBBON CABLE CONNECTION 230 VOLT SUPPLY 50 60 Hz N PE A1 A2 2 1 1150599 ELECTRO BOILER CYLINDER Pink 0 75mm2 21 BLUE 1 5mm2 BLUE 1 5mm2 N BROWN 2 5mm2 L1 BROWN 2 5mm2 Pink 54 53 Rosa 50 Violet Violet 50 N BLUE 2 5mm2 FAN MOTOR RECYCLING EC PART No 1240049 P1...

Page 23: ...e in England by Vapac Humidity Control Ltd 041xxxx August 2011 Vapac Humidity Control Ltd reserve the right to change the design or specification of the equipment described in this manual without prior notice ...