LGR 1800 Dehumidifer User Manual
Contents
1. ERROR MESSAGES The table below shows error message that the system may detect If the display shows an ER message first unplug the unit and then plug it back in This may re set the electronics and if so no further action is required If the error message reappears try the solution under Explanation If this still does not fix the problem contact Dri Eaz Service Department on 44 0 1908 611 211 CONTROL PANEL EXPLANATION MESSAGE ER1 CONTACT SERVICE CENTER ER2 CONTACT SERVICE CENTER ER3 CONTACT SERVICE CENTER ER4 4 DEFROST SENSOR CONNECT ER4 4 OUTLET SENSOR CONNECT ER5 4 SENSOR CONNECT ON BOARD ER6 CONTACT SERVICE CENTER ER7 INVALID MODEL SETTING ER8 BUTTON STUCK V ALL BUTTONS ER9 PUMP BLOCKED vV CHECK PUMP 8 HOSE 07 01706B 2010 02 Check AC power for inadequate voltage The electronic control panel may require replacement Contact service The electronic control panel may require replacement Contact service Check defrost sensor for proper connection Check sensor cable for damage Sensor assembly may need replacement Contact service Check defrost sensor for proper connection Check sensor cable for damage Sensor assembly may need replacement Contact service Check temp RH sensor connections The high voltage board may need replacing Contact service Incorrect DIP switch settings or firmware version for that specific model Contact service Press each membrane but2. Location of pump and catch basin with a thermo hygrometer however you can use an indoor outdoor thermometer to gauge temperature For improved accuracy take temperature readings in in the center of the room away from the airflow of the dehumidifier Dri Eaz dehumidifiers warm the air as they remove moisture Optimal drying temperatures range from 20 29 C 68 85 F This may require the use of the building s HVAC heating and air conditioning system If heating and cooling is not available at the site contact Dri Eaz and a Technical Specialist will help you find an appropriate solution For more information about creating an optimum drying environment contact Dri Eaz on 44 0 1908 611 211 FIG B SECURING HANDLE 1 Rotate locking lever to right to release handle 2 Raise handle to upright position and secure in place with locking lever 3 Reverse procedure to secure handle for shipping and storage FIG C HOSE STORAGE 07 01706B 2010 02 Rotate hose storage tab 180 degrees to the right to release drain hose Dri Eaz Products OPERATING YOUR DEHUMIDIFIER Set unit upright Always operate the dehumidifier in an upright position If the unit has been stored or transported in a horizontal position set it upright in a vertical position for at least 30 minutes before operating it This will allow for any compressor oil that has flowed into the refrigerant coils to return to the compressor
3. TEMPERATURE UNIT C gt Shows current temperature scale Press gt to select Fahrenheit or Centigrade scale LANGUAGE ENGLISH gt Shows current display panel language Press gt to select Spanish German French or English COIL TEMP 00 C Displays the cold evaporator coil temperature SENSOR ID gt 00000000 When optional remote sensor fitted shows built in wireless transmitter number The HygroTrac system uses this to uniquely identify your LGR1800 unit NOTE For convenience this same number is shown on the barcode label affixed to the control panel Press gt to cycle through the following values SENSOR TYPE SENSOR REVISION and SENSOR CONF REV A Dri Eaz service technician may ask you for these values when diagnosing a problem COMPRSSR CURRENT 0 0A Shows compressor current draw in amps Error messages If the LGR1800 onboard diagnostics discover a problem the unit will display an error message If the unit is used with the HygroTrac system it will also transmit most Dri Eaz Products error messages to the user s HygroTrac website See Error Messages p 6 for more information MAINTENANCE WARNING ELECTRIC SHOCK HAZARD Unplug the LGR1800 before performing any maintenance Never use a water hose or pressure washer to clean coils as water entering the electrical compartment could cause a shock hazard Before each use Inspect
4. boxes for possible equipment returns Warranty registration Complete and post the enclosed card to register your purchase Registration allows us to better assist you with using maintaining and servicing your equipment and provides us with your contact information in case we 07 01706B 2010 02 need to communicate important safety information concerning your Dri Eaz product If you determine service is required have your equipment model serial number and original proof of purchase available and call Dri Eaz on 44 0 1908 611 211 for assistance INTRODUCTION Dehumidifiers reduce humidity in enclosed structural environments by removing water vapour from the air With proper use the LGR1800 can help dry carpet carpet pad floors walls building contents and more Using dehumidifiers can also help prevent secondary damage caused by high humidity For best results use the LGR1800 with Dri Eaz TurboDryer airmovers placed around the perimeter of the room Airmovers help to distribute heat energy which accelerate the release of moisture from wet surfaces into the air How the LGR1800 dehumidifier works Dri Eaz refrigerant dehumidifiers operate by pulling moist air in across a very cold evaporator coil The moisture in the air condenses on the coil and drips into a catch basin The water collects in a tray and is pumped out through a hose In certain conditions the machine operates in defrost mode warming any frost accumulated
5. the electrical cord for damage Look for fraying cuts etc Do not use the unit if you find any damage Call Dri Eaz for service on 44 0 1908 611 211 Inspect and vacuum filter as needed Keep a clean filter in the unit at all times to protect internal components from dust and other particulate build up The LGR1800 is equipped with a 3M High Air Flow filter The HAF filter may be vacuumed clean and reused up to three times Do not rinse or wash the HAF filter as it will reduce the effectiveness of the electrostatic material Replace only with a new 3M HAF Filter Dri Eaz part no F372 For parts and service call Dri Eaz Service Department on 44 0 1908 611 211 CAUTION Dust can cause the unit to overheat and shut down Do not operate when excessive dust or airbourne particles are present such as during sanding or spray painting Inspect and clean air filter elements and coils frequently IMPORTANT Replace the HAF filter whenever 1 it has been vacuumed clean 3 times or 2 it has been used on a mould remediation job or otherwise exposed to potentially dangerous contaminants Monthly Check coils Dirty coils can cause the unit to overheat Clean when visibly dirty See Fig E 1 Unplug unit 2 Remove housing locate coils and allow coils to dry if wet 3 Vacuum coils surfaces until clean being careful not to let the nozzle touch the fins as that may cause damage by bending them 07 01706B 2010 02 F
6. DRIEAZ Owner s Manual LGR1800 Portable Dehumidifier 230 volt with remote monitoring capability F432 The Dri Eaz LGR1800 dehumidifier reduces humidity in enclosed structural environments by removing water vapour from the air The LGR1800 is engineered for improved operating performance within lower humidity environments With a rugged durable and highly port able design the LGR1800 is ideally suited for water damage restoration structural drying construction and other applications requiring temporary high performance dehumidification With built in humidistat control the LGR1800 is ideal for environments that require longer term humidity control museums server rooms etc READ AND SAVE THESE INSTRUCTIONS SAFETY INSTRUCTIONS A WARNING WARNING Electric shock hazard rotating fan hot surface hazards Unplug unit before opening cover for cleaning or servicing Unit must be earthed e Inspect the power cord before use If cord is damaged do not use Always grasp the plug not the cord to unplug e The unit must be operated on a 230V 50HZ circuit protected by a Residual Current Device RCD e Keep motor and wiring dry Do not operate in standing water e Do not operate in rain or snow If electrical components become wet allow them to dry before USING Do not attempt to repair the unit For service call Dri Eaz at 44 0 1908 611 211 BEFORE YOU BEGIN Unpacking your unit Retain all packing material and
7. Each press of the key will display the next parameter see list below When you reach the parameter you wish to adjust press the gt MENU SELECTON key to increase the value Press DISPLAY MENU again to accept the setting and re start the display cycle If no keys are selected for 20 seconds the display will automatically reset and return to the normal display mode Note that only menu items followed by a greater than symbol gt may be adjusted JOB HOURS RESET gt Press gt to reset hours to zero NOTE When in Humidistat mode the unit will display HUMIDISTAT on the top line during normal operation rather than JOB HOURS LIFE HOURS 00 HRS Shows total unit operating hours Value cannot be modified 07 01706B 2010 02 INLET OUTLET 00 00 00 00 Shows current temperature and RH of inlet and outlet The Hygro Trac system uses these values to calculate grain depression HUMIDISTAT MODE ON OFF gt In ON mode unit will maintain the humidistat setpoint see below Press gt to toggle between ON and OFF NOTE When in Humidistat mode the unit will display HUMIDISTAT on the top line during normal operation rather than JOB HOURS HUMIDISTAT SETPOINT 00 gt Sets humidity level when unit is in Humidistat Mode see above Press gt to change RH value at 5 increments Settings cycle upward through 90 RH and start again at 30 RH
8. IG F PUMP ACCESS PANEL SST Uo Css H LA 5 Check catch basin tray and clean when dirt and debris are present 1 Wipe clean with a rag Check drain hose 1 Look for obstructions Disconnect and clear any debris present 2 Reattach gravity drain hose Inspect filter cover 1 Remove the filter cover this can be done without removing the housing 2 Vacuum off any visible dirt or wash with mild soap and water 3 Let dry and put back in place Annually Have the pump system inspected by the Dri Eaz Service Department on 44 0 1908 611 211 To access the LGR1800 pump remove the four bolts located at the bottom of the unit Fig F Use a in nut driver or socket TRANSPORT AND STORAGE NOTICE Handle the unit carefully Do not drop throw or place the unit where it could fall Rough treatment can damage this equipment and may create a hazardous condition or void warranty IMPORTANT Be sure to purge the water from the pump reservoir before moving the unit See the PURGE function under How to use the control panel on page 3 Note that the unit must be plugged in for the Purge function to operate 1 Do not expose the control panel to moisture snow or rain when transporting in uncovered vehicles 2 Store and transport securely to avoid any damaging impact to internal parts J To access the pump remove the four bolts circled on the lower panel Dri Eaz Products
9. and allow the dehumidifier to function properly FIG D FRONT Control panel im Moulded cord storage Process dehumidified air outlet May be used with standard 300 mm 12 in rigid or layflat ducting Arr filter access door Lift handle to release Humid air inlet both sides Set up drain hose The LGR1800 pump connects to a plastic drainage hose The hose can be stored on the hose wrap located on the back of the unit see Fig A You can release the hose by rotating the top reel of the hose wrap down simply pull outward until you re able to rotate it see Fig C Rotate the tab to the right or left until it is pointing Straight down This feature makes it easy to take off the entire hose quickly Place the unattached hose end in a sink drain bucket even outside anywhere that water can drain out safely NOTE Uncoil and straighten the entire drain hose Do not leave any of part of the hose coiled on the unit and do not place the end of the hose higher than 4 5 m 15 ft above the top of the unit Also check for kinks or obstructions that would restrict the flow of water Failure to do so may cause a water backup in the pump resulting in leakage Plug in electrical cord The electrical cord is wrapped around the top of the unit The LGR1800 will operate on any standard 230 volt Residual Current Device RCD protected outlet lf the unit experiences a loss of power either from a power interrup
10. etails PURGE Press the PURGE key to manually empty water from the condensate pump reservoir NOTICE Always press the purge key prior to moving the unit During normal operation the pump purges automatically every six minutes or whenever the reservoir is full The Dri Eaz Products display will read PUMP PURGING with a numeral countdown Main menu display When unit is first plugged in to AC power the control panel display will briefly cycle through a series of displays This is part of the unit s self diagnosis procedure and no user intervention is required Once the self diagnosis is complete the display will show the following information UNIT ON 00 HRS INLET 00 C INLET 00 M The first line of the display shows the total number of hours the unit has been in operation This value may be reset to zero to track job hours see Job Hours Reset below The second line of the display alternates between inlet temperature and inlet humidity When fitted the optional LGR1800i wireless transmitter continuously seeks a connection with a Hygro Trac gateway When a connection is established a wireless symbol M appears in the lower right corner of the display No information is presented on the display when the unit is not plugged in User settings menu A number of settings may be changed by the user System information is also available These items are accessed by pressing the DISPLAY MENU key
11. on the evaporator coil back into water LGR Low Grain Refrigerant dehumidifiers have better heat exchange and defrost abilities than regular refrigerant dehumidifiers and are able to continue removing moisture in drier environments Remote Monitoring Option Your Dri Eaz distributor can modify the LGR1800 to work with the HygroTrac Remote Monitoring System purchased separately Hygro Trac lets you view drying environment conditions and equipment performance from any Web browser Contact Dri Eaz on 44 0 1908 611 211 for more information about this option Dri Eaz Products POSITIONING A DEHUMIDIFIER For best results operate your dehumidifiers in an enclosed area as this creates a drying chamber Close all doors and windows that open to the outside to maximise the unit s water removal efficiency Also keep traffic though the drying chamber to a minimum Place your LGR1800 dehumidifier against a wall away from obstructions and keep it away from anything that could block airflow into and out of the unit IMPORTANT Before moving the unit make sure there s no water in the pump See how to use the PURGE function under How to Use the Control Panel on page 3 Managing temperature rise Controling temperature in the drying environment is critical The most accurate way to monitor temperature is PARTS IDENTIFICATION FIG A BACK Handle in stored position Hose storage tabs Rotate upper tab to release hose
12. tion or from thermal overload protection 07 01706B 2010 02 let the unit rest for five minutes before restarting Otherwise it might shut off again Turn the unit on The control panel on the LGR1800 has a display and a touchpad with four keys Press the ON OFF to turn the unit on CONTROL PANEL PURGE PUMP DISPLAY ON OFF DISPLAY MENU MENU SELECTION UP KEY How to use the control panel The control panel on the LGR1800 has a display and a touchpad with four keys L ON OFF Press the ON OFF key to turn the unit on or off When the machine turns on the display normally reads PLEASE WAIT COMP DELAY and performs a numeral count down from a maximum of 60 seconds to 0 This delay allows time for refrigerant pressures to equalise for easier starting If you don t see a compressor delay countdown a delay is not necessary and the machine will begin operation immediately Once the unit completes the compressor delay the display shows UNIT ON XX HRS and cycles between INLET TEMP XX and INLET RH XX DISPLAY MENU Press the DISPLAY MENU key to cycle through the display of additional dehumidifier conditions and User Settings To return to the main menu press the ON OFF button once gt MENU SELECTION Press the MENU SELECTION key to change the values on the User Defined settings The MENU SELECTON key acts as the UP key for adjusting the setpoint for Humidistat mode operation See User Settings Menu below for d
13. ton and check for proper operation Membrane overlay may require replacement Contact service Check for obstructions in drain hose Check the pump 6 Dri Eaz Products TROUBLESHOOTING Unit does not No power to machine Plug in unit check power at outlet and at base of unit operate Unit not switched on Switch unit on Compressor will Unit needs 5 minutes before restart Switch off unit wait 5 minutes before starting Reduce not start Overload preventing start up room temperature below 32 C Blower wheel Obstructed blower Remove duct ring and grill not turning Remove obstruction Replace duct ring and grill Unit operating Not enough time to dry Allow more time for drying but room not dry Poor air movement in room Increase air movement with air movers Excessive moist air infiltration Reduce infiltration Unit Room temperature too low Increase room temperature continuously in defrost mode Pump does not Stuck float valve Clean float valve shaft function Unit collects too Room air is dry Check humidity with hygrometer little water Room temperature is too low Increase room temperature Airflow through unit is restricted Check filter and coils clean as necessary If the problem you are experiencing is not listed here call Dri Eaz Service Department on 44 0 1908 611 211 SPECIFICATIONS Model LGR1800 F432 i Type Low grain refrigerant Refrigerant R 410A 2 CONTACT Use weight 42 kg 2 8 amps 230
14. volts Fr mis Dri Eaz Products Inc eaa a 22 Plover Close 15180 Josh Wilson Rd AE Interchange Park Burlington WA 98233 Water removal max g Newport Pagnell MK169PS United States of America 90 F 90 RH United Kingdom Phone 360 757 7776 Fax Max process air Phone 0 1908 61 1 21 1 360 757 7950 Operating Range Fax 0 1908 611 363 www dri eaz com ZNA www dri eaz co uk Power cord Warranty information is available at www dri eaz com Construction MICROBANO is a registered trademark of Microban Ste POR ppa Specifications are subject to change without notice Some values may be approximate 07 01 706B 2010 02 7 Dri Eaz Products PURCHASE Purchase date Serial number Distributor Tel MAINTENANCE SERVICE PERFORMED PERFORMED BY 07 01706B 2010 02 8 Dri Eaz Products
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