Mitsubishi Electric LGH-50RSDC
Contents
1. the winter normally operated during the spring autumn months and the summer season i Fresh air A y Supply air eens 7 Supply air Exhaust air g 7 Return air Spm Return air Exhaust air f Lossnay core Damper Lossnay core Damper E AUTOMATIC VENTILATION setting The automatic damper mode automatically provides the correct ventilation for the conditions in the room The following shows the effect By pass ventilation will have under various conditions 1 Reduces cooling load If the air outside is cooler than the air inside the building during the cooling season such as early morning or at night By pass ventilation will draw in the cooler outside air and reduce the cooling load on the system 2 Night purge By pass ventilation can be used to release hot air from inside the building that has accumulated in buildings a business district during the hot summer season 3 Office equipment room cooling During cold season fresh air can be drawn in and used as is to cool rooms where the temperature has risen due to the use of office equipment in the case of By pass ventilation the supply air temperature slightly rises more than the outside air temperature because of the heat effect around the ducts or the unit motors Operate by 5 fan speed Lowest speed during night time for low noise level energy saving and preventing to intake water mist of fog during night Operate by 5 f2. MITSUBISHI A7 ELECTRIC Lossnay Energy Recovery Ventilator Model LGH 50RSDC E 220 240V 50Hz Operating Instructions Please read this manual carefully before use for proper and safe use Do not attempt to install the product by yourself Safety precautions 0902874HN5201 CE For the user The following signs indicate that death or serious injury may be caused by failure to heed the precautions described below 7 WARNING Q Prohibited Do not disassemble Do not turn the remote controller on or off when flammable gas has leaked It could catch fire or cause explosion with sparks released from electric contactor Open windows to ventilate Do not modify or disassemble It could cause fire electric shock or injury Wet hands prohibited Don t operate with wet hands Electrical shock can result iN Do not wet Do not apply water to the unit and remote controller Electrical shock can result Do not touch Prohibited Do not poke your fingers or sticks into the air intake and outlet while the product is operating Failure to heed this warning may result in injury A CAUTION Do not place a burning appliance in a place where it is exposed directly to the wind from Lossnay It could cause an accident as a result of incomplete combustion Don t operate with the BY PASS when heating the room in winter Condensed water may drip from the unit and w
3. an speed in foggy day Maintenance Remove all dust and dirt on air filters and Lossnay cores at regular intervals in order to prevent a deterioration in the Lossnay functions Guideline Clean the air filters once a year Clean the Lossnay cores once two year Clean the Lossnay cores once a year If possible Frequency should be increased depending on the extent of dirt Removing the parts 1 Maintenance cover Pull back the hinged clip x3 Open the maintenance cover Becareful not to sandwich the hand Maintenance cover SS Hinge bracket Hinge Maintenance cover 2 Air filters 4 filters Remove the air filters located at the surface of the Lossnay cores as below RARR Filter guide Air filter Lossnay core Cleaning the parts 1 Air filters Use a vacuum cleaner to remove light dust To remove stubborn dirt wash in a mild solution of detergent and lukewarm water under 40 C Vacuum cleaner Air filter Z CAUTION Never wash the filters in very hot water and never wash them by rubbing them Do not dry the filters by exposing them to a flame 2 Lossnay cores Use a vacuum cleaner to suck up the dust and dirt on the exposed surfaces of the Lossnay cores Use a soft brush only to clean exposed surface areas Lossnay core Vacuum cleaner with brush attachment ZA CAUTION Do not use the hard nozzle of the vacuum cleaner It may damage
4. et the surface of ceiling Do not use at a place where exposed to high temperatures 40 C or higher naked flames or in environment with heavy fumes It could cause fire Do not use in an environment such as a chemical factory where hazardous gases such as acidic gases alkaline gases organic solvent fumes paint fumes or gases containing corrosive components are generated It could malfunction Names of the parts Control box Lossnay core Damper plate Maintenance cover Air filter 4 filters The instructions given must be followed The instructions given must be followed Use the specified power supply and voltage Use of incorrect power supply could cause fire or electric shock Make sure the power supply isolator is turned off on the power distribution panel before starting maintenance It could cause electric shock or injury if it is turned on When any abnormal conditions burning smell or others are observed stop operation turn off the power supply isolator on the power distribution panel and consult your dealer Continuing operation under such conditions could cause electric shock fire or damage Securely install parts after maintenance It could cause injury if parts fall Put on gloves during maintenance It could cause injury Make sure the
5. power supply isolator is turned off on the power distribution panel when Lossnay is not used for a long period of time It could cause electric shock power leakage or fire as a result of deteriorated insulation This appliance is not be used by children or persons with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction Children should be supervised to ensure that they do not play with the appliance Air exhaust fan Air supply fan Operation This Lossnay unit is operated by Remote controller provided by installer Please refer to installer for further information 1 Fan speed E The wide range of fan speed and the low power consumption This unit has 5 fan speed settings 110 l s to 25 I s and 14w ultra low power consumption for Lossnay ventilation thanks of DC blushless motor technology E Power BY PASS mode setting This unit has 130 l s extra high fan speed for By pass ventilation over 5 fan speed 2 Ventilation setting m LOSSNAY ENERGY RECOVERY VENTILATE setting m BY PASS VENTILATE setting Both fresh air supply and return air pass through the Lossnay cores The fresh air passes through the Lossnay cores and the return room Resulting in total heat exchange Energy recovery ventilation makes air is exhausted direct Energy recovery By pass ventilation is the fresh air temperature close to the indoor temperature in
6. r Automatic fan speed change by timer setting Temperature Exchange efficiency are based on winter condition After sales servicing Consult with your dealer about the after sales services provided for this If you hear strange sounds if no air is blown out or if some other Lossnay product trouble occurs switch off the power and contact your dealer Consult with your dealer concerning the cost of inspection or repair work afa MITSUBISHI ELECTRIC CORPORATION
7. the exposed surfaces of the Lossnay cores Under no circumstances should the Lossnay cores be washed in water Assembly after maintenance Bearing in mind the following points assemble the parts following the sequence for their removal in reverse A Filters should be set in all side rails of Lossnay cores Specifications Model gs ee Ventilate setting nee el meee ee ae yey rae a ae Hz W m3 h L S mmH20 Pa efficiency Heating Cooling 1 4 47 165 395 110 102 100 77 5 71 68 31 2 067 90 305 85 6 1 60 81 5 75 725 26 5 mete RE 3 0 35 41 215 60 3 1 30 85 5 79 77 21 4 0 20 22 144 40 15 15 88 82 80 5 18 5 043 14 90 25 0 7 7 90 84 83 18 LGH 50RSDC E 230 50 PB 1 80 265 468 130 138 135 35 46 1 1 20 164 395 110 102 100 31 BY Pass 2 0 70 90 305 85 6 1 60 gt 26 5 Ventilate setting 3 0 35 40 215 60 3 4 30 21 4 0 20 21 144 40 15 15 18 5 043 14 90 25 0 7 7 18 PB stands for Power By pass 1mmH O 9 80665Pa 2 Specifications are in 230V 50 Hz operation The unit operation is available with 220 240V 50 Hz The values given in the table for the noise level reflect the levels measured at a position 1 5 meters immediately below the unit in an anechoic chamber Noise change or increase may occur because of the Bypass Automatic function o
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