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CorroVenta L4, User Manual

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CorroVenta L4 User Manual Download Page 7

 

 

 

 

 

Description: 

Manual L4 ES HP; L4 ES HP W 

Document Number:  

1004289 

Created By: 

MSHN 

Revision Approval Date:  

2019-06-28 

Revision: 

A 

 

© Corroventa Avfuktning AB 

 

6 (42) 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As the graph above shows, condensing drier are used in hot and humid spaces if room drying is required. 

Relative humidity (% RH) 

Temperature ◦C 

Process air / Relative humidity (%) 

Dry air / Relative humidity (% RH) 

Summary of Contents for L4

Page 1: ...ADSORPTION DEHUMIDIFIER WITH CONDENSER L4 ES USER MANUAL ...

Page 2: ...on 5 This is how the dehumidifier works 7 Dehumidification process 7 Product overview 9 Installation 10 Transportation 13 Storage 13 Drying methods 14 General drying room dehumidification 14 Drying framed flooring and beams 15 Suction drying 16 Pressure drying 17 Using L4 ES menus and operation 18 Control mode and hysteresis 29 Alarms 30 MID ENERGY METER MENU 32 Network functions 33 Connecting mac...

Page 3: ...operation for the intended job set the capacity and volume control the fan as well as use integrated or external sensors for temperature and relative humidity to achieve the desired effect in combination with the lowest possible energy consumption L4 ES can also be used in networks and is prepared for remote monitoring and remote control Furthermore it has a built in pump integrated hose and cable...

Page 4: ...anty The product warranty does not cover consumable parts or normal wear The purchaser is responsible for checking the product upon delivery and before use to ensure it is in good condition The product warranty does not cover damages resulting from the use of defective products Changes or modifications to the machine must not be performed without written permission from Corroventa Avfuktning AB Th...

Page 5: ...the machine may overheat 7 Do not allow the dehumidifier to draw in alkaline chemicals or organic substances with a high boiling point such as oil grease solvents boracol or similar These can damage the rotor 8 The dehumidifier may not be used in areas where it can produce explosive gases 9 Do not insert objects into the intake or exhaust as this could damage the dehumidifier and injure people 10 ...

Page 6: ...water droplets Steel corrodes at 60 RH and at 70 RH there is a risk of mould A rule of thumb is that 50 RH is a good climate for most materials How to select dehumidification technology for a given situation The adsorption principle has the advantage of not having the same temperature dependence as condensing dehumidification Adsorption also works way below freezing whilst condensing drier capacit...

Page 7: ...MSHN Revision Approval Date 2019 06 28 Revision A Corroventa Avfuktning AB 6 42 As the graph above shows condensing drier are used in hot and humid spaces if room drying is required Relative humidity RH Temperature C Process air Relative humidity Dry air Relative humidity RH ...

Page 8: ... silica gel bonded in a ceramic structure The axially directed air ducts in the rotor give laminar flow with minimal pressure drop The rotor rotates by means of a drive motor 5 and a drive belt 6 The moisture that is adsorbed in the rotor is driven out by a small portion of the process air being heated by the heater 7 and then passing a smaller part of the rotor which is thus regenerated and clean...

Page 9: ...Description Manual L4 ES HP L4 ES HP W Document Number 1004289 Created By MSHN Revision Approval Date 2019 06 28 Revision A Corroventa Avfuktning AB 8 42 11 10 4 7 8 9 2 3 1 6 5 12 13 14 ...

Page 10: ...low present L4 ES with all external parts and controls Folding handle with integrated cable reel Control panel Dry air outlet with damper 2 x 100 mm 2 x 50 mm Process cooling air inlet with filter Durable Feet Switch Control panel System device Cooling air outlet Condensation water hose Wheels with roller bearings only L4 ES HPW Folding carry handle manoeuvring handle only L4 ES HPW ...

Page 11: ...ent way of creating negative pressure Ensure that the Cooling air from the cooling air connector is not blocked As with all dehumidification it is important that L4 ES is used to ensure that the space to be dried is well enclosed and cordoned off Any doors and windows to the space must be closed and if there are not any use plastic sheeting or another temporary solution If the space is very small ...

Page 12: ...re that the hose is not pinched and that it is clear so that the water can flow unrestricted Connect the cable to 1 phase 230 VAC electrical socket fused to 10A or maximum 16A Since the machine is normally used in humid or wet areas it is strongly recommended to use an earth fault breaker Start the machine with the switch When the display lights up and shows the first screen image after start up p...

Page 13: ...d that the cooling air connectors are not blocked When the work is to be completed in order to avoid spilling condensation water on the floor or in the transport vehicle the remaining condensation water from the condenser should be pumped out Leave the switch in the ON position and stop the machine by pressing the Stop on the control panel The machine then runs in a post cooling mode the fan and p...

Page 14: ...ransportation Secure the dehumidifier well when it is being transported If the machine toppled over during transportation the machine must stand upright for at least 30 minutes prior to starting Storage L4 ES can be stored stacked on top of each other as shown below thus saving floor space The machine must always be stored upright and in a frost free area ...

Page 15: ...neral drying room dehumidification As with all dehumidification regardless of type or model it is important to ensure that the area to be dehumidified is well sealed so that the process is performed as fast and as energy efficiently as possible Windows and doors to the area must be closed and if there are not any plastic or other temporary partitions must be used If the extent of the damage is lim...

Page 16: ...below Remember that the capacity of this fan far exceeds that of the dehumidifier and therefore allow the fan to draw the bad air The diagram below shows this by the dry air hose from the dehumidifier to the right not being connected directly to the fan but placed next to it instead In this way the fan can draw enough air without drawing excess air through the dehumidifier affecting its function a...

Page 17: ...se system water separator and filter and then evacuate the air via the hose out to the surroundings Place the dehumidifier in the room and route its condensation water hose out of the room normally In this way the turbine will draw in dry air into the layered structure and this is how the method got its name Use of a water separator is crucial to prevent water being sucked into the turbine and dam...

Page 18: ...essure drying dry air is routed from L4 ES to a turbine and then forces this air into the layered structure In this way warm and dry is forced down into the structure which achieves the material temperature and thus increases the rate of the drying process Wet and cool air leaks into the room through the gaps between the floor and the wall or via drilled check holes and is then re sucked into the ...

Page 19: ...r navigation and cannot be used to change the settings The three smaller buttons are used for selection and editing and their functions are always presented as text at the bottom of the screen On the upper menus the left hand button is called the HOME button One push of this button takes you straight back to the standard view In many of the views there is an Info button that presents information t...

Page 20: ... indicates that the machine is being controlled by another machine Alarms The machine has detected a fault Drying indicator Moves when drying is in progress Fan indicator Moves when the fan is running Fan mode Cont continuous fan If this information does not appear the fan only runs when drying is required Control mode Indicates how drying is controlled if it is continuous MAN manual or if it work...

Page 21: ...the machine will automatically resume operation when the timer has counted down to zero The countdown can be stopped by pressing the Stop button which then switches the machines to standby until it is started manually Normal start Start after power cut automatic resumption of operation Standard view L4 ES must usually be switched off using the Stop button below the display The machine then switche...

Page 22: ...ew point C HYG Dehumidification is controlled by an external hygrostat that is connected to the machine Thanks to its network functions you can also connect the machine to external temp and RH sensors and use their values to control operation instead of the built in sensor for relative humidity and temperature The following modes for external sensors exist for this purpose E RH Dehumidification fo...

Page 23: ... MAN the user will note that the setpoint can be set When the setpoint has been reached drying stops automatically If the humidity later rises above the setpoint again drying resumes automatically Hysteresis When one of control modes RH DP or X is selected a symbol and a hysteresis value appears to the right of the display The symbol shows the setpoint value s position in the operation range as be...

Page 24: ...Description Manual L4 ES HP L4 ES HP W Document Number 1004289 Created By MSHN Revision Approval Date 2019 06 28 Revision A Corroventa Avfuktning AB 23 42 ...

Page 25: ...tes the drying process The difference between ΔX1 and ΔX2 etc is the dry air volume ΔX1 has the smallest volume For use during pressure drying when the machine is connected as slave to a turbine in a local network L4 ES also has a pressure drying mode TRT where it automatically adjusts the wet air flow so that the produced air is as dry as possible MAX For maximum removal of water ECO For minimal ...

Page 26: ...was used and shows its settings as the start values The Other time setting determines whether the machine during the day s remaining hours must be in standby mode or run at lower fan speed for minimal noise Network Note Install all system cables before the machines are started L4 ES has network functions that enable local interaction between machines for example pressure drying and use of external...

Page 27: ... has been established the display switches between the slave units in the network menu These are indicated by type e g L4 ES and bus address e g 101 To change the settings for a slave unit press Change and select the slave unit The background lighting for the selected unit starts to flash to confirm that the unit has been selected Desired settings can also be made directly on the relevant machine ...

Page 28: ...ratio X hysteresis Option to adjust the hysteresis settings for control mode mixing ratio X The setpoint s position in the operation interval and the hysteresis value can be set from here Run built in test A built in self test that is available to service technicians Reset service time The machine is set to remind you about a service once a year Once the service has been carried out the service re...

Page 29: ...y for the last twelve hours and the last 14 days Average temperature for the last twelve hours and the last 14 days Number of hours in drying mode for the last 14 days Consumed energy in kWh for the last 14 days The last value the bar at the far right in the respective graph is the current hour or the current day MID Energy Meter This menu presents the total accumulated energy consumption For more...

Page 30: ...r If a built in or external electronic sensor is used the machine uses a software controlled hysteresis that stabilizes machine operation and prevents too many restarts The table below shows the machine s standard settings If changes are required these can be made in the setup and maintenance menus Control mode Hysteresis Setpoint s position RH 4 Bottom Dew point 2 C Top Mixing ratio 0 5 g kg Bott...

Page 31: ...ain Ambient temperature too high The machine has switched off all heaters due to too high ambient temperature above 35 degrees Celsius If continuous fan is selected the fan continues to run The machine resumes operation automatically if the temperature drops Fan control error The fan speed deviates from the expected fan speed If the alarm remains contact a service technician No contact with intern...

Page 32: ...sor The statistics cannot be saved to the memory Internal fault If the alarm remains contact a service technician The event log cannot be saved to the memory Internal fault If the alarm remains contact a service technician Water level The bottom tray is filled with condensation water Check that the condensation hose is not blocked Check that the pump runs by holding the outlets on the condensation...

Page 33: ...the data presented with this menu is thoroughly checked and protected One such important test is the calculation of a checksum to verify that the program memory has not been corrupted The result of the latest calculation is always available with the Firmware checksum screen accessed through the MID Energy Meter menu with the lower right button If any of the tests fail and the machine concludes tha...

Page 34: ...ll machines can be used for this purpose When operating modes Relation and Pressure drying are to be used the master machine must be a turbine For all other purposes it does not matter which machine is master in the network The settings can be changed directly on the machine that is connected as a slave to another unit and not only via the master machine If the user selects to make necessary chang...

Page 35: ...the screen It can take up to one minute for the text to appear When the above steps have been followed all slave machines are controlled by the master This means that all slave machines start and stop together with the master They work with the same settings as they had before being connected in the network If the settings need changing press Change and then select the slave to be changed via the ...

Page 36: ... dehumidifier filter should be replaced regularly preferably between each work assignment in order to maintain energy efficiency and to avoid overheating If the air filter is extremely dirty it must be replaced more often 1 Disconnect the power from the dehumidifier 2 Pull out the dirty filter from the machine and slide in the new one 3 Reconnect the power to the dehumidifier ...

Page 37: ...rotor s ducts can become blocked causing restricted air flow and reduced capacity To clean the rotor follow the instructions below Disconnect the power from the dehumidifier when cleaning the rotor Always wear a protective mask when cleaning the rotor and perform the work outdoors 1 Disconnect the machine from the mains supply Remove the four screws holding the upper cover of the dehumidifier 2 Ca...

Page 38: ...Avfuktning AB 37 42 3 Disconnect the wet air hose from the wet air cover on the cassette Pull the entire rotor unit up and lift it out of the machine Take care not to damage the rotor Disconnect the AMP connector 4 Press the tensioning wheel backward on the rotor unit and slide the belt off the wheel so that the rotor can rotate freely ...

Page 39: ... air will flow through the rotor in the opposite direction to normal This prevents more dirt from getting stuck inside When you later clean from the other direction do not blow air into the heat shield otherwise dirt will accumulate inside Only blow on the rotor where the opposite side is free and unobstructed 6 Assemble the dehumidifier in reverse order when the rotor has been cleaned Install the...

Page 40: ...d on the dry air side is not trapped or clogged Ensure that the air flow is correct If the air flow is weak check the process air filter and replace if necessary Check the machine settings as follows Start by checking that the water symbol on the left hand side of the display screen moves as an indication that dehumidification is in operation If it does not move check the control mode in the lower...

Page 41: ... air volume The rotor rotates anti clockwise seen through the dry air outlet or not at all Fault with rotor motor or motor capacitor Contact the dealer for repair No air flow low air flow The dry air dampers are closed The machine has been set to standby The dehumidifier has been set to a control mode other than manual MAN the continuous fan functions are switched off and the surrounding humidity ...

Page 42: ...s day 12 9 Ø dry air outlet mm 2 x 100 2 x 50 Sound level Max ECO dBA 3 m approx 50 58 Voltage 230 VAC 50 Hz Rated power Max ECO W 1300 1000 Height x width x length mm 495 x 295 x 550 Weight kg 23 5 Sound level varies depending on the installation L4 ES HP W Dry air volume Max ECO m3 h 380 300 Cooling air volume Max ECO m3 h 100 60 Drying capacity at 20 C 60 Max Low litres day 12 9 Ø dry air outle...

Page 43: ...to the complete machine The CEMP declaration of conformity is available at www corroventa com mid certificate Accuracy class Class B Rated Operating Conditions Voltage 230VAC Frequency 50Hz Power factor 0 5ind to 0 8cap Current I st 0 02A I min 0 25A I tr 0 5A I ref 5A I max 45A Operating temperature 25 C to 55 C Climate Non condensing Environment position Closed location Electromagnetic environme...

Page 44: ...nd hires out high quality products for dealing with water damage moisture odours and radon We are one of the market leaders and specialise in innovation within the industry Our products are compact effective ergonomic and energy efficient In emergency situations and during flooding Corroventa s customers have access to one of the largest rental parks in Europe We have sales offices and machine dep...

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