Home

Mitsubishi Electric LGH-50RSDC

1. 2 Attaching the duct connecting flanges Use the supplied screws to secure the duct connecting flanges to the Lossnay unit Duct connecting flange Accessory parts Mounting screw CAUTION Before attaching the duct connecting flanges check that no foreign matter scraps of paper vinyl etc has found its way inside to Lossnay unit Attach the duct connecting flanges with the packing at the SA and RA sides 3 Mounting Lossnay unit lt Installation horizontally gt 1 Loose the screw on the ceiling suspension fixture 2 Turn the fixture around the loosened screw by 90 degrees to set it at level 3 Fix the fixtures securely on the fan body by tightening the loosened screw and accessory mounting screws 4 Hang the ceiling suspension fixtures on the anchor bolts and adjust in such a way that Lossnay unit is level 5 Tighten up securely using double nuts lt Installation vertically gt 1 Wall anchor point should be hang by M10 anchor bolt 2 Tighten up securely using washar more than 026mm and M10 nut ai ba lt Installation horizontally gt Ceiling suspension fixture Mounting screw Anchor bolt Wall anchor point Ceiling suspension fixture Not in use 4 A All mounting screws for the ceiling suspension fixture should be tighten even if the unit is installed vertically Z CAUTION if wall material is wood tighten up by wood screws Confirm whether strength of wall
2. m Extreme reduction in the diameter of the connected ducts zM C Installation method continued Electrical installation With this product the wiring installation method will vary according to the design of the system Perform electrical installation to meet local electrical regulations Always use double insulated PVC cable for the transmission cables Wiring work must be performed by qualified professionals All supply circuits must be disconnected before obtaining access to the terminal devices Names of components in control box Line filter AC Reactor TM1 LED1 TM4 CN2 CN3 TM3 CN7 TM2 CN6 Wire connection diagram Z CAUTION Connect the wires shown as dotted lines Be sure to connect the ground wire A power supply isolator must be installed when wiring power supply to unit Always use a single pole isolator for the main switch power connection All supply circuits must be disconnected and do not touch the components for more than 5 minutes before obtaining access to the terminal devices If using earth leakage breaker for isolator rating of sensed current should be more than 10mA Symbol explanation Control Box POWER SUPPLY M1 Motor for exhaust fan UNE TMi 220 240V 50Hz FLTER pagan ies M2 Motor for supply
3. Off 4 Install the cover in its original position on the control box Trouble shooting LED indication Blinking Cause of failure Small PCB right Large PCB left Motor operation LED1 LED11 LED2 LED3 red green red green Supply fan over current failure Twice Once Exhaust fan over current failure Twice Once Shortage of power supply voltage Twice 3times Over voltage of power supply Twice 4times Supply fan motor operating failure Twice 5times stop Exhaust fan motor operating failure Twice 7 5times Supply fan motor sensor failure Twice 6 or 7times Exhaust fan motor sensor failure Twice 6 or 7times Communication failure between 9times Stimes 9times 9times upper and lower PCB Damper failure 3times Outside air sensor failure 4times n 2 running Room air sensor failure 5times External interlocked unit failure 8times z If troubles occur as above turn off all fan speed contacts immediately and contact to your dealer A The unit may not operate properly if the power supply voltage is lower than the rating voltage 220 240V sfa MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN AUTHORIZED REPRESENTATIVE IN EU MITSUBISHI ELECTRIC EUROPE B V HARMAN HOUSE 1 GEORGE STREET UXBRIDGE MIDDLESEX UB8 1QQ U K
4. fan 1 l l L VERE GM Motor for Bypass damper o alle i a Ha gt ues LS Micro switch aes if Reactor ae DEAN aR aT donk TH1 Thermistor for outside air i 2 GREEN YELLOW GREEN YELLOW ae HA i 7 e bo i Operation monitor output TH2 Thennistor for return air ms Bol tesecol a Transformer A E AC2A0V 2A AC220V 100mA TM1 Terminal block Power supply 9 Fp DCZAN 2A DC SV 100mA AA TM2 Terminal block Fan speed selection iM CN TM3 Terminal block By pass mode selection O TM4 Terminal block Monitor output O age 5 i LED1 red Power supply indicator lamp oa rae LED2 red Inspection indicator lamp O O O Ol I ower By pass UGE BLUE N BROWNI RED EBO LED2 CN2 f 3 69669692 600 EEA D o E amp u a AZ mr 1 oan IL LED GREEN y Wt TW P8 swt 5 e689 farmed 4 L an speed 3 LED3 green Inspection indicator lamp RED i Fiare pep LED11 green Inspection indicator and trial operation lamp 0990999 ES a ro QO p CI F ID ae fan seed
5. is enough When suspending Lossnay unit from the ceiling do not handle it in such a way that force will be applied to the control box Install the anchor bolts to ensure the product s weight or earthquake load Correctly rated wire chain may also be used 4 Connecting the ducts 1 Fasten the duct securely to the duct connecting flange and wrap aluminum tape not included around the joints so that there is no air leakage 2 Suspend the ducts from the ceiling so that their weight will not be applied to the Lossnay unit 3 All ducts must be covered with heat insulating material in order to prevent condensation from forming Heat insulating Aluminum material tape Outdoor duct Duct connecting flange CAUTION Before attaching the ducts check that no debris or any other foreign matter scraps of paper vinyl etc has found its way inside the ducts Do not touch the damper plate inside Lossnay unit when connecting the ducts If it is expected that the ambient temperature around the place where the Lossnay unit is installed will be high during the summer air conditioning season it is recommended that the indoor duct work be covered with insulation material Do not carry out the following types of duct construction Doing so could cause a drop in the air volume and generate abnormal noises Extremely sharp bends e Multiple bends Bends right next to the outlet
6. operation mode The unit operation is based on the measured OA temperature as below SA fan EA fan Continuous running Continuous running Repeat 10min Stop 60min running Operation mode OA temperature 10 C lt OA Normal SA intermittent 15 C lt OA lt 10 C Continuous running During SW1 2 on operating monitor out is prior to 2 operation motor out put with delay function 6 By pass auto ventilation priority setting OFF ON Operation When outdoor temperature is 17 C or higher 6M within 24 hours then bypass ventilation starts by sw comparison OA and RA When outdoor temperature is 28 C or higher 6 Hl within 24 hours then bypass ventilation starts by comparison OA and RA Continuous running Repeat 55min Stop Fan speed 5 is fixed SA stopped OA lt 15 C 5min running in SA fan stopped operation in the case of SW1 3 SA supply air EA exhaust air OA outside air Trial operation After the system has been installed and before the ceiling panel is installed make sure that wires are properly connected then test the system s operation 1 Remove the control box cover 2 Turn the trial operation switch SW1 1 On LED11 will be on with the Fan speed 1 setting and with By pass ventilation operating for 1 min Then it will change to energy recovery ventilation mode 3 Turn the trial operation switch SW1 1
7. ro YELLOW FETT AEE ON i ae We Pade 77 7 CN1 Connector Power supply oe CN red i mE ET CN2 Connector Transformer primary owl 1p chit j zL MARK CN3 Connector Motor for By pass damper Th ae LA i ee IE 1 FANGE nele Terminal block CN4 Connector Reactor T RAQ aE wfo I fo Connector CN5 Connector Reactor QC Se HAG ORANGE Em G Connector on PCB CN6 Connector Supply fan motor CN7 Connector Exhaust fan motor CN8 Connector Signal for supply fan motor CN9 Connector Signal for exhaust fan motor CN10 Connector Signal line CN14 Connector Transformer secondary CN15 Connector Signal line CN16 Connector Thermistor CN17 Connector Micro switch Installation method continued Connecting the power supply cable 1 Remove the screws and the conirol box cover Screw Control box cover 2 Connecting the power supply cable Pass the power cable through the bush and connect to the TM1 terminal block using the round terminals Connect the ground wire to the ground terminal and secure tightening the bush for PG connector or the like Ground wire PG connector customer preparation TM1 Power supply cable Transmission Cable Cord clip CAUTION Always separate the power supply cable and the cable to the control unit by 10 cm or more to prevent malfunctioning of the unit If the length of the stripped power ca
8. where it is highly shock or fire humid like a bathroom or other wet place It could cause electric shock or power leakage Install a power supply isolator at the power supply side as per Rer local electrical regulations ha es Lede It could cause fire if power leakage occurs 7 All supply circuits must be disconnected before obtaining Connect the product properly to ground cD access to the terminal devices Malfunctioning or power leaks can cause electrical shock The instructions Use the specified cable size and connect the cables securely to given mustbe prevent disconnection when they are pulled Connect the followed If there is a defect in the connection there is a possibility of fire grounding wire Select an adequate place for the opening to introduce outdoor air where it will not inhale the exhaust fumes like combustion gas or Use the specified power supply and voltage others and there is no risk of blockage by snowfall or others Use of incorrect power supply or voltage could cause fire or electric Shortage of fresh air could put the room in a state of oxygen deficiency shock A duct made of steel must be installed with care not to be The instructions Select a place with sufficient strength and install the main unit connected electrically with metals such as metal wire stainless nai mi be securely steel plate or others pai It could cause injury if it falls It could cause fire when power lea
9. 0902874HN5301 MITSUBISHI C ELECTRIC Lossnay Energy Recovery Ventilator Model LGH 50RSDC E 220 240V 50Hz Installation Instructions For use by dealer contractor Contents Safety precaUtONS siirryn 1 Outline ChAWINGS sicie 2 Standard installation examples ceeeeees 3 Installation method Function settings TrhialoperatiO iiris This product needs to be installed properly in order to ensure maximum functionality as well as safety Please make sure to read this installation manual before starting the installation Installation must be performed by a dealer or installation contractor Please note that improper installation may cause malfunction or accident Separate booklet Operating Instructions is provided for the customer The booklet and this manual must be handed over to the customer after completing the installation Safety precautions The following signs indicate that death or serious injury may be caused by failure to heed the precautions described below Do not modify or disassemble A WAR N l N G It could cause fire electric shock or injury Wiring work must be performed by qualified professionals and be implemented safely and securely in accordance with _ Do not the engineering standards and the extension wiring rules for disassemble electrical equipment r 7 RARE Poor connection or improper wiring work could cause electric The Lossnay unit should not be installed
10. 7 7 N a Se fee return air A E eege amp exhaust air outlet NESEY RY im RSS p aA i my WAY Sse a ay iat Wi SEEN 1 ol S O eee A a aH Yoi S 2 1 1a IAI ati e ie ae AN M i IN rh eZ Be o ee en ee i SA S TPT TA eee a T SOA H ch wi A t we Yy supply air 3 N i HA hse i outside air intake S74 D 1 fn foaia wi an a rie eee p n ans 20 979 20 Tr Ceiling suspension fixture Lossnay cores Air supply fan 4 11x10 oval Air filters Foot plate Weight 46 kg Unit mm Standard installation examples EA exhaust air outlet 2 OA i wi Electrically operated damper outside air intake ectrically op p Protection against the intrusion of cold air while Lossnay is stopped in winter To be provided by the customer N OA outside air intake lt 3 N p Lossnay unit EA exhaust air outlet In a region where there is risk of freezing in winter it is recommended to install an Electrically operated damper or the like in order to prevent the intrusion of cold outdoor air while Lossnay is stopped A This product is designed to use horizontally as the figure or upside down Do not install vertically with the product suspension fixture The outside sir intake must be located where no rainwater or fog comes in to prevent the intake of water Example lt Installation vertically gt lt Installation horizontally gt Anchor bolt to be prov
11. ON Fan operating may be delayed from the time of contact ON depending on the select timing E By pass condition select By pass damper is automatically operated based on the OA and RA temperature E Power By pass condition select When turning on Power By pass contact with any fan speed contacts on unit operation becomes power By pass mode 4 The following system configuration can be created Connect the necessary parts 1 If you would like to connect to a Electrically operated damper etc or would like to fetch operation monitor output 2 If you would like to fetch Malfunction monitor output 1 When connect to an Electrically operated damper etc or take operation monitor output Connect the power supply from the Electrically operated damper to 8 and of the monitor output terminal block TM4 with reference to the wire connection diagram x3 ial TM4 OOA Power supply Lamp or monitoring unit Electrically perater amper 2 When take Malfunction monitor output Connect to 40 and of the monitor output terminal block TM4 with reference to the wire connection diagram x4 id T4 AOO Power supply 0 Lamp or monitoring unit A It is recommended to connect Malfunction monitor output to check the malfunction externally Function settings SW1 Trial operation B Op
12. bles wires is too long the conductors may touch and short out Power supply cable size 1 5 mm2 or more 1 Refer to the wiring diagram and screw down the ground wire and the cables to the terminal block 2 Secure the power supply cable with the PG connector and the Transmission cables with the cord clip Upon completion of the wiring connections replace the control box cover 3 Connecting the cables for fan speed select and By pass condition select Connect the cables and the contacts as below Put the wires deeply to the holes of contact with pushing the button Confirm no unconnected wire com 1 2 3 4 5 PB V TM2 OJI TM3 Button V Ventilation priority mode PB Power By pass condition select o 0 5 o o 4 ae 3 Fan speed select o o 2 i contact 12VDC 10 mA cable for operation 0 5mm to 1 0mm2 maximum length 20m from terminal block peeling wire length 9 10mm Z CAUTION Power By pass mode is not available even if only PB contact is on Be sure to connect Fan speed 5 wiring Unit operating method E Fan speed select Operated fan speed is followed as below table by the fan speed select contacts Fan speed select contact Fan speed All contacts OFF OFF 1 ON Fan speed 1 2 ON Fan speed 2 3 ON Fan speed 3 4 ON Fan speed 4 5 0N Fan speed 5 Multi contacts ON Higher fan speed operate CAUTI
13. eration monitor out put with delay function w Z Setting for exhaust fan in cold region operation mode SH Ventilation priority mode during ventilation setting input on 1 Operating monitor output oo By pass auto ventilation priority setting Hi Auto air volume increasing during bypass setting o E Not to used SW2 L E Decreasing exhaust fan power O E Increasing exhaust fan power O E Decreasing supply fan power iz i Increasing supply fan power All switches are OFF at factory setting 1 Trial operation OFF ON Sw1 1 LJ Normal operation 1L W Trial operation Operation 2 Operation monitor out put with delay function TM4 OFF ON SW1 2M I Not available 2C _ W Available Operation 3 Exhaust fan speed setting in cold region operation mode OFF ON SW1 3M Not fixed 3L W Exhaust fan speed 5 fixed Operation 4 Ventilation priority mode during ventilation setting input on OFF ON Operation SW1 4MBL__1 Bypass ventilation mode fixed 4 ___ W Lossnay ventilation mode fixed Below 8 C even SW1 4 is fixed any setting ventilation mode should be Lossnay ventilation 5 Operating monitor output TM4 OFF ON SW1 5M J Not available 5C Hl Available Operation 7 Auto air volume increasing during bypass setting OFF ON Operation 7 E Not increasing Swi W
14. ernal winds even sections depending on the conditions of outdoor air and when the product is not operated It is recommended to install indoor temperature and moisture even if they are within also an Electrically operated damper to block the outdoor air the range of operating conditions Make sure to confirm the In a cold weather area an area with strong external winds or operating conditions and other precautions and do not use where fog occurs frequently cold outdoor air external winds the product if dewing or freezing is anticipated or fog may be introduced into the product when its operation is Example of dewing condition Outdoor air 5 C or lower stopped It is recommended to install an Electrically operated dew point temperature at installation place 10 C or higher damper to shut them out When the indoor temperature is 22 C or higher with the relative humidity higher than 50 or other Outline darawings 79 1 898 79 Accessory parts Mounting SCrEWS s s ssssssisisisisireneeennne ne x24 Duct connecting flanges x4 4 D S double flanges at SA and EA sides i e Wall anchor point Controlbox Maintenance cover Power cord opening 2 13x30 oval 810 J Air exhaust fan 10 Bypass damper plate j oat A R J e E aaa m E hi a ME E A r fy r
15. hen unit is in by pass operation except power by pass mode the unit fan speed is automatically increased 1 step 8 Fan speed fine tuning ON OFF Operation 2 dam or All supply air fan speeds are default settings A 1 2 Each supply air fan speed settings except power 1 bypass mode are increased 2 swe l a Each supply air fan speed settings are decreased 4 3 E or All exhaust fan speeds are default settings 1 oo 3 4 Le Each exhaust fan speed settings except power 3 bypass mode are increased 4 3 a Each exhaust fan speed settings are decreased Operation monitor out put with delay function Corresponds to operation mode output TM4 Supply fan with following function Start the output TM4 10 seconds after supply fan operates but also when the thermistor for outside air TH1 detect 5 C or lower Stop the output TM4 when thermistor for outside air TH1 detects a temperature higher than 15 C or stop the supply fan or malfunction of TH1 Lossnay continues to operate for 3 minutes after stopping the output TM4 Error code is shown on the remote controller and stop the output in case of followings 1 TH1 detects higher than 15 C within 15 minutes after the output starts 2 TH1 detects 10 C or lower 60 minutes after the output starts 3 TH1 detects continuously 70 C or higher for more than 1 minute Cold region
16. ided by user Washer Nut MUM Wall More than 400 a an Unit Ss More than i 1200 Return air grille Y Supply air grille Return air grille A Top bottom reverse installation is not available N Keep the unit more than 5mm away from the wall for this unit Downward gradient of duct Return air grille Downward gradient of duct 1 30 or more toward wall side provide 1m or more to prevent rain water from seeping in SA supply air Supply air grille Floor Z unit should be on the floor by foot plate m Maintenance A exhaust air outlet TOA outside air intake 1 30 or more toward wall side provide 1m or more to prevent rain water from seeping in Anchor bolt to be provided by user outside air intake EA exhaust air outlet v SA supply air Supply air grille return air Return air grille A Do not install the unit on the ceiling plate directly to prevent the unit from falling and making vibration and noise Unit mm Installation method Installing the Lossnay unit 1 Preparing the anchor bolts Mount the washers outer diameter of gt 21 mm for M10 and nuts onto the pre recessed anchor bolts M10 as shown in the figure below Anchor bolt M10 Nut Washer Nut
17. kage occurs Do not place a burning appliance in a place where it is exposed Put on gloves during maintenance directly to the air from the Lossnay unit It could cause injury It could cause an accident as a result of incomplete combustion Make sure the power supply isolator is turned off on the power Do not place an object on or sit on the Lossnay unit distribution panel when Lossnay is not used for a long period It could cause electric shock fire or other damage of time after the installation Do not use at a place where exposed to high temperatures 40 C or It could cause electric shock power leakage or fire as a result of higher naked flames or in environment with combustible fumes deteriorated insulation It could cause fire Always use the specified suspension bolts nuts and washers Do not use in an environment such as a chemical factory where Use of hardware with insufficient strength could result in the product hazardous gases such as acidic gases alkaline gases organic dropping k solvent fumes paint fumes or gases containing corrosive The instructions The outside ducts must be tilted at a gradient 1 30 or more down Prohibited components are generated given must be toward the outdoor louvres from Lossnay and properly insulated It could malfunction followed The entry of rain water may cause power leakage fire or damage Insulation failure caused by salt or sulphur air and hot spring to household p
18. roperty steam Rust fire or malfunction may occur The control box cover must be closed after the installation Installing high quality filters inside outdoor air duct if the Dust or humidity may cause power leakage or fire Lossnay operates in salt or sulphur air conditions When connecting external devices electrically operated damper Do not install this product in a place where it is exposed to lamp monitoring unit etc using output signals of the Lossnay unit ultraviolet light make sure to install safety equipment for the external devices UV may damage covering insulation It could cause fire damage etc without safety equipment Safety precautions continued CAUTION When using the product where it is exposed to high When using the product in an environment where there is a temperatures and humidity 40 C or higher RH 80 or higher window or opening near the outdoor louvre where insects or where fog occurs frequently moisture is likely to condense are likely to gather around the interior or exterior light take in the core and may result in condensation build up in the unit note that small insects may intrude into the product The product should not be used under such conditions In a cold weather area or others dewing or freezing could Outdoor air may enter the Lossnay owing to the pressure occur on the main unit where the duct is connected or other difference between indoor and outdoor or ext

Mitsubishi Electric LGH-50RSDC

Contents

Download Pdf Manuals

Related Search

Related Contents