Mitsubishi Electric VL-50ES2-E User manual

Eng-1

English

Mitsubishi Lossnay Ventilator

MODEL

VL-50S2-E (pull cord type)

VL-50ES2-E (wall switch type)

Installation Manual For Dealer and Contractor

Please ensure that the separate “Operating

Instructions” are handed over to the customer. Please

ensure that it is delivered to the customer.

■ProperinstallationisnecessaryfortheLossnayto

performatfullpotentialandtoensuresafety.Before

proceeding with the installation work, be sure to

read through these instructions.

■Theinstallationworkmustbedonebyanauthorized

dealerorqualiedcontractor.Errorsininstallation

can lead to breakdowns and accidents.

■Installationbythecustomercanleadtobreakdowns

and accidents.

■Electricalworkmustbedonebyaqualiedand

licensed electrician employed by the dealer or

contractor.

■TheVL-50S2-Ehasabuilt-inplugandrequiresonly

asimpleplug-intoanelectricaloutlet.Accordingly,

noelectricalworkbyaqualiedandlicensed

electrician is necessary.

■Ifthesupplycordisdamaged,itmustbereplaced

bythemanufacturer,itsserviceagentorasimilarly

qualiedpersonsinordertoavoidahazard.(VL-

50S2-Eonly)

Contents Page

1.Safetyprecautions.............................. 1

2. Dimensional outline drawing............... 3

3.Listofincludedparts........................... 3

4.Beforeinstallation............................... 4

5.Mountinginstructions.......................... 5

5.1.Wall-holeconstruction.................. 5

5.2.Preparationbeforeinstallation..... 5

5.2.1Forhorizontalmounting ........ 5

5.2.2Forverticalmounting............. 7

5.3.Attachingthemainunit ................ 9

5.4.Electricalwork.............................. 10

5.5.Attachingthepanel ...................... 10

5.6.Outdoorconstruction ................... 11

6.Checksaftermounting........................ 12

7.Testrun............................................... 12

Hazards created by mishandling and their

severity are indicated by the following

markers.

Warning:

This applies to mishandling or misoperation

of the product which could lead to a fatal or

serious injury.

Caution:

This applies to mishandling or misoperation

of the product which will lead to an injury or

damage to your home, household effects, etc.

1. Safety precautions

Warning

- Do not install the unit in

excessively hot areas (40°C or

more), near open ames, in areas

prone to oily smoke, or where it

could come in contact with organic

solvents.

- Firecouldresult.

- Do not disassemble the unit more

than necessary or modify it.

- Fire,electricshockorinjurycould

result.

- Do not let the unit get wet.

- Fireorelectricshockcouldresult.

Prohibited

DoNOT

disassemble.

Do not expose

to water

TheexplanationinthisInstallationManual

ismainlyforhorizontalmountingofthe

product but the unit can be mounted

vertically as well.

Eng-2

- Do not install the unit and wall

switch in a bathroom or other

highly humid location.

- Electricshockorshortcircuitscould

result.

- Use at the rated voltage.

- Fireorelectricshockcouldresult.

- Make sure the outside air intake

opening is positioned so that it

will not take in combustion gases

or other exhaust. Position the unit

so that it will not become covered

with snow.

- Ifintakeairisnotfresh,oxygen

could become depleted in the room.

- Install the unit securely to a

sufciently strong wall surface.

- Injuriescouldresultiftheunitfalls.

- Connect wires securely to terminal

block connections so they do not

come out.*1

- Poorconnectionscouldresultinre.

- Electrical work must be done by

an electrical contractor (a licensed

electrician) in accordance with

the technical standards of the

equipment and local regulations to

ensure safety.

- Badwiringandmistakesinelectrical

work could result in electric shocks

orre.

- Install an all-pole power supply

isolator at the power supply side

as per local electrical regulations.

All supply circuits must be

disconnected before obtaining

access to the terminal devices.

Use the specied cable size and

connect the cables securely to

prevent disconnection when they

are pulled.

- Ifthereisadefectintheconnection,

thereisapossibilityofre.

- Be sure to shut off circuit breakers

or remove the power plug from

the wall outlet if the Lossnay will

not be used for a long period after

installation.

- Failuretodosocouldresultin

electricshockfromdeteriorated

insulation,orrefromashortcircuit.

Cannotbe

installed in a

bathroom

You must

followthe

instructions

given.

- Always place a cover on the

terminal block after construction

work is complete.*1

-Dust, humidity and the like could

causeshortcircuitsorre.

Caution

- Install the unit only on a wall. Do

not install it on a ceiling.

- Injurycouldresultiftheunitfalls.

Wear gloves when attaching the unit.

- Failuretowearglovescouldresultininjury.

- Attach the air supply/exhaust pipe

in a downward slope toward the

outdoor side and make sure to

apply thermal insulation treatment.

-Rainwater entering the unit could

resultinelectricshock,reorindoor

items getting wet.

- Make sure to perform drain

discharge in accordance with the

Installation Manual.

- Failuretoheedthiswarningcould

causeelectricshock/reorwater

damage to household property due

to water leaks.

Install the provided weather covers.

-Rainwater entering the unit could

resultinelectricshock,reorindoor

items getting wet.

- To prevent freezing or damage to

the Lossnay Core, stop the unit if

the outside temperature falls below

-20°C and the room’s humidity

rises above 40%.

*1:VL-50ES2-Eonly.

Note

- In mid-rise and high-rise buildings or in

coastal and other areas prone to strong

winds, wind could blow into the unit when it

is not operating. Install the Lossnay where it

will not be directly subject to wind.

- Do not use the Lossnay in areas prone to

damage from salt or hot springs.

Prohibited

You must

followthe

instructions

given.

Eng-3

English

198.5

φ180

108

109

96.5

40 198.5

180

108

109

168

2°

522

φ114

245

2. Dimensional outline drawing

Air

supply

exhaust hole

Air

supply

hole

Air

supply

hole

Power cable

(VL-50S2-Eonly)

Pull cord

(VL-50S2-Eonly)

Pull cord

(VL-50S2-Eonly)

Weathercover

Mounting plate

Weathercover

Attachthetwistedpartof

theverticalmountingjointC

toward the indoor side.

Airsupply/exhaust

pipe

Airsupply/exhaust

pipe

Shutterknob

Shutter

knob

Indoor air

exhaust hole

About

400

Indoor air

exhaust hole

Indoor air

exhaust hole

Indoor air

exhaust hole

Wallthickness

50to650

Wall

thickness

120to730

Unit (mm)

For horizontal mounting

For vertical mounting

*Forverticalmounting,the

display part comes to the

lowerside.(Theunitcannot

be mounted upside down.)

3. List of included parts

Pipe mounting plate (1)

Packing (1)

Airsupply/exhaustpipesA(2) Weathercover(1)

Hoodxingscrews(2)

VerticalmountingjointC(1) JointpipeB(1) Weathercovermountingplate(1)

Aluminiumtapes(large)(3) Aluminiumtapes(small)(1)

Woodscrews(6)(forattaching

the mounting plate)

Unitmountingscrews(5)

*Ascrewdriverwithanaxislengthof150mm

or longer is required.

Eng-4

3. Remove the terminal block cover (VL-

50ES2-E only)

Terminalblockcover

4. Before installation

■ Mounting position diagram (seen from inside)

1. Remove the mounting plate.

Removethetapeonthebackoftheunitand

then remove the mounting plate.

- Inordertoprotectthedrainpanend,laythe

underlayasshowninthegurebelow.(Usea

package pad.)

- Topreventscratchingoftheunit,laydowna

material such as cardboard.

2. Remove the panel.

Asshowninthegurebelow,holdbothendsof

the panel and pull toward you.

- Afterremovingthepanel,makesurescrews

or other items do not get inside the unit.

Drain pan endUnderlay

Panel

50mmormore

Unit (mm)

151.5

223.5

216

245

40.539.5

21 11.5

26.5

20×8＝160

300

200

184

210.5 522

182 193

310 360

125

Mounting plate

Centerline

Air

supply

/exhaust

hole

(ø120wallhole)

Mountingplatetemporaryxinghole

position(Forhorizontalmounting)

Unit hanging screw

position

(Forverticalmounting)

Unit hanging screw position

(Forhorizontalmounting)

Mounting plate

temporaryxinghole

position

(Forverticalmounting)

Edgeofmainunit Mountinghole53–ø6

Power and connection

cable pullout area

(VL-50ES2-Eonly)

min. min.

(min.) (min.)

Eng-5

English

5. Mounting instructions

5.1. Wall-hole construction

5.1.1.Determine the installation

position.

Check the necessary space distance.

Unit (mm)

ABCD

Horizontalmounting 193 182 310 360

Vertical mounting 310 360 182 193

- Checkthepositionsothatunpleasantodors

arenotpickedupfromoutside.

- Checkthatthereinforcement(insidewall)is

positioned properly to secure the mounting

plate.(Ifthereisnoreinforcement,buildina

supporting structure.)

- Maintenancecannotbeperformedifthe

requireddimensionsarenotfollowed.

2. Mark the center of the wall hole position.

Note

-Make sure that the mounting surface of the

mounting plate is at.

- Ifitisnot,Lossnayoperationcouldgenerate

noise or the shutter could not operate properly.

5.1.2.Drill the wall hole.

Drillthewallholeofø120mm.

Note

-Make the holes so they slope down as they

exit the outside wall.

- Thisisnecessarytopreventtheinltrationof

rainwater.

* Nothing should obstruct

thefrontoftheunit.

(Do not place anything

blockingairowinfront

oftheLossnay.)

Diameterofwall

holeø120mm 2°

Wallhole

Wall

OutsideInside

5.1.3.Pull out the power and

connection cables.

For VL-50ES2-E only

1. Determine the power and connection cable

pull-outlocationandmakeahole.(Seethe

mounting position diagram on page 4.)

2. Pull out the power and connection cables on

the indoor side.

Note

-For VL-50S2-E, attach a power outlet within

the range where the power plug can be

connected (the effective cable length is

about 3 m).

5.2. Preparation before installation

5.2.1. For horizontal mounting

1. Attach the packing to the pipe mounting

plate.

Put the packing (included in the package) in the

grooveofthepipeconnectionsideofthepipe

mounting plate.

-Thispackingisusedtoprovideaslopetothe

pipe.Therefore,putthepackingatthe>PP<

mark side.

2. Apply caulking compound.

Applycaulkingcompoundonthepipemounting

plate.

Power and

connection cables

Pull-outposition

Power and connection

cables

“シタ” mark

Packing

>PP<markside

“B”mark

Pipe mounting plate

Caulkingcompound

Flangeendpart

Caulkingcompound

Packing

AtleastA

AtleastB

AtleastC

AtleastD

Eng-6

5. Cutting air supply/exhaust pipes

Measurethewallthickness.(Ifthewallismore

than300mmthick,usetheprovidedairsupply/

exhaustpipeB).(Seepage3,section3,for

mounting instructions.)

Note

-Check that each air supply/exhaust pipe

A catches on all four prongs of its pipe

mounting plate. (If a prong has not caught,

the pipe will press against the back of

the Lossnay unit and the shutter may not

operate properly.)

6. If the wall is more than 300 mm thick

Cutairsupply/exhaustpipesA2inkeepingwith

thecuttingdimensionsofstep2(wallthickness+

30mm).

7. Secure the air supply/exhaust pipe to the

mounting plate.

(a)Inserttheairsupply/exhaustpipeAtothe

mounting plate.

(b)Turnthepipecounterclockwisetohookthe

pipe mounting plate with the tab.

Cutperpendiculartothe

pipe

Wall

thickness

OutsideInside

(Dimensionattopofpipe)

90°

Cutlength

Airsupply/

exhaustpipeA

Cutonthisside

30mm

Alminiumtape

Airsupply/

exhaustpipeA2

Airsupply/exhaust

pipeA2

Airsupply/

exhaustpipeA1

Airsupply/exhaustpipeA1

Caulking

Alminiumtape

JointpipeB

Note

-Apply caulking higher than the ange end.

-Without caulking, rainwater comes in.

-Before caulking hardens, proceed to the

next procedure.

3. Attach the pipe mounting plate to the air

supply/exhaust pipe A.

(a)Make sure to insert the air supply/exhaust

pipeAdeeplytothegrooveofthepipe

mounting plate.

(b)Use the included aluminum tape (large) to

wrap around the connection section between

the pipe mounting plate and air supply/

exhaustpipeAtoproperlysecureit.Ifitis

not properly secured, drain water may leak.

4. Apply caulking between the pipe mounting

plate and pipe connection section.

Applycaulkingontheconnectionsection

between the pipe mounting plate and air supply/

exhaustpipefrominside.

Note

-Without caulking, rainwater comes in.

-After applying the caulking compound,

atten the surface.

-Do not apply caulking compound thicker

than the pipe mounting plate. (Otherwise,

drain water is not discharged.)

Aluminumtape(large)

Airsupply/exhaust

pipeA

Pipe mounting plate

Caulkingcompound

Pipe mounting

plate

Pipe partition

Pipe mounting plate

Eng-7

English

Note

-Secure the plate in an even position at the

four corners.

-For a concrete wall, use concrete screws

(commercially available) to secure the plate.

-Accurately nd the position between

the power and connection cable takeout

position and the mounting plate position.

(If the position of the mounting plate is

displaced, the power and connection cable

takeout hole will protrude from the unit.)

5.2.2. For vertical mounting

1. Attach the packing to the pipe mounting

plate.

Put the packing (included in the package) in the

grooveofthepipeconnectionsideofthepipe

mounting plate.

-Thispackingisusedtoprovideaslopetothe

pipe.

2. Apply caulking compound.

Applycaulkingcompoundonthepipemounting

plate.

Note

-Apply caulking higher than the ange end.

-Without caulking, rainwater comes in.

-Before caulking hardens, proceed to the

next procedure.

3. Attach the vertical mounting joint C to the

air supply/exhaust pipe.

(a)AttachtheverticalmountingjointCtotheair

supply/exhaust pipe to apply caulking.

(b)Use the included aluminum tape (large) to

Packing

“B”mark

“シタ” mark

>PP<markside

Caulkingcompound

Flangeendpart

Caulkingcompound

Packing

(c)Checkthattheairsupply/exhaustpipeA

is downward toward the outdoor side, as

showninthefollowinggure.

Note

-Check that all four tabs catch the ange.

(Otherwise, the back of the product is

pushed, causing shutter operation failure.)

-Attach the pipe in such a way that the "B"

mark on the mounting plate matches the "B"

mark on the ange part.

-If the air supply/exhaust pipe is not

downward slanted, drain water may reux or

rainwater may come in.

8. Attach the mounting plate.

(a)Put the air supply/exhaust pipe through the

wall hole.

(b)Use one wood screw to temporarily secure

the mounting plate. (Tightenthescrewat

the end.)

(c)Attachoneunitxingscrewtothemounting

plateforhangingtheunit.

(d)Hangaweightandcheckthelevelofthe

mounting plate (slope within 1°). (Iftheunit

isinclined,watermayspillfromthedrain

pan.

(e)Usefourwoodscrewstosecurethe

mounting plate to the position where

reinforcementisprovidedinsidethewall.

(f)Useawoodscrewtosecurethecenterof

line A

Airsupply/exhaustpipeA

Mounting plate

Pipe mounting plate “B”mark

Tab

Mounting plate Airsupply/exhaustpipe

2°

Unitxingscrew

Woodscrew

(temporaryxing)

Weight

Wood

screw

Eng-8

wrap around the connection section between

theverticalmountingjointCandairsupply/

exhaustpipetoproperlysecureit.Ifitisnot

properly secured, drain water may leak.

4. Attach the pipe mounting plate to the air

supply/exhaust pipe.

(a)Make sure to insert the air supply/exhaust

pipedeeplytothegrooveofthepipe

mounting plate.

(b)Use the included aluminum tape (large) to

wrap around the connection section between

the pipe mounting plate and air supply/

exhaustpipetoproperlysecureit.Ifitisnot

properly secured, drain water may leak.

Note

-Always insert in such a way that the vertical

mounting joint comes to the indoor side.

5. Apply caulking between the pipe mounting

plate and pipe connection section.

Applycaulkingtotheconnectionsectionbetween

the pipe mounting plate and air supply/exhaust

pipefrominside.

Note

-Without caulking, rainwater comes in.

-After applying the caulking compound,

atten the surface.

-Do not apply caulking compound thicker

than the pipe mounting plate. (Otherwise,

drain water is not discharged.)

Airsupply/exhaust

pipe

Vertical mounting

joint

Aluminumtape(large)

Airsupply/exhaustpipe

Vertical mounting

joint

Pipe mounting plate

Aluminumtape(large)

Caulkingcompound

Pipe mounting

plate

Pipe partition

Pipe mounting plate

6. Afxing aluminum tape.

Afxtheincludedaluminumtape(small)as

showninthegure.

-Thistapeisafxedtofacilitateowingofwater

fromthedrainpanend.

7. Cutting air supply/exhaust pipes

Measurethewallthickness.(Ifthewallismore

than300mmthick,usetheprovidedairsupply/

exhaustpipeB).(Seepage4,section4,for

mounting instructions.)

Note

-Check that each air supply/exhaust pipe

A catches on all four prongs of its pipe

mounting plate. (If a prong has not caught,

the pipe will press against the back of

the Lossnay unit and the shutter may not

operate properly.)

8. If the wall is more than 300 mm thick

Cutairsupply/exhaustpipesA2inkeepingwith

thecuttingdimensionsofstep2(wallthickness+

30mm).

Aluminumtape(small)

Pipe mounting

plate Unit (mm)

Cutperpendiculartothe

pipe

Wall

thickness

OutsideInside

(Dimensionattopofpipe)

90°

Cutlength

Airsupply/

exhaustpipeA

Cutonthisside

30mm

Alminiumtape

Airsupply/

exhaustpipeA2

Airsupply/exhaust

pipeA2

Airsupply/

exhaustpipeA1

Airsupply/exhaustpipeA1

Caulking

Alminiumtape

JointpipeB

Eng-9

English

9. Secure the air supply/exhaust pipe to the

mounting plate.

(a)Insert the air supply/exhaust pipe to the

mounting plate.

(b)Turnthepipecounterclockwisetohookthe

pipe mounting plate with the tab.

(c)Checkthattheairsupply/exhaustpipe

is downward toward the outdoor side, as

showninthefollowinggure.

Note

-Check that all four tabs catch the ange.

(Otherwise, the back of the product is

pushed, causing shutter operation failure.)

-Attach the pipe in such a way that the "B"

mark on the mounting plate matches the "B"

mark on the pipe mounting plate.

-If the air supply/exhaust pipe is not

downward slanted, drain water may reux or

rainwater may come in.

10. Attach the mounting plate.

(a)Put the air supply/exhaust pipe through the

wall hole.

(b)Use one wood screw to temporarily secure

the mounting plate. (Tightenthescrewat

the end.)

(c)Attachoneunitxingscrewtothemounting

plateforhangingtheunit.

(d)Hangaweightandcheckthelevelofthe

mounting plate (slope within 1°). (Iftheunit

isinclined,watermayspillfromthedrain

pan.)

(e)Usefourwoodscrewstosecurethe

mounting plate to the position where

reinforcementisprovidedinsidethewall.

Airsupply/exhaustpipeA

Mounting plate

Pipe mounting plate

“B”mark

Tab

Mounting plate Airsupply/exhaust

pipe

2°

(f)Useawoodscrewtosecurethecenterof

line A.

Note

-Secure the plate in an even position at the

four corners.

-For a concrete wall, use concrete screws

(commercially available) to secure the plate.

-Attach so that the B mark comes to the

bottom side.

-Accurately nd the power and connection

cable takeout position and the mounting

plate position. (If the position of the

mounting plate is displaced, the power and

connection cable takeout hole will protrude

from the unit.)

5.3 Attaching the main unit

1. Pull the power and connection cables

through the hole in the rear of the unit.

-Besurethatthecableisnotcaughtbetween

the unit and mounting plate.

2. For VL-50ES2-E, pull the power and

connection cable through the lead-in

opening and the bush.

3. Hook the unit to the unit xing screw at the

center of the mounting plate.

-Insertwhilepayingattentionnottopushin

thecushionoftheairsupply/exhaustpipeby

the drain pan end.

Unitxing

screw

Woodscrew

(temporary

xing)

Weight

Wood

screw

“B”mark

Power and connection cable

Lead-inopening

Bush

Eng-10

4. Press the main unit into the wall and attach

it with the four screws provided.

-Useascrewdriverwithanaxislengthof150

mm or longer.

*TheaboveisthecaseofVL-50ES2-E.

Note

-Be aware that the unit xing screw on which

the main unit is hung has been temporarily

secured, thus always support the main unit

with your hand and tighten the screw.

5.4 Electrical work

Warning

-Use at the rated voltage.

- Fireorelectricshockcouldresult.

-Connect wires securely to terminal block

connections so they do not come out.*1

- Poorconnectionscouldresultinre.

-Electrical work must be done by an electrical

contractor (a licensed electrician) in

accordance with the technical standards of

the equipment and local regulations to ensure

safety.

- Badwiringandmistakesinelectricalworkcould

resultinelectricshocksorre.

*1:VL-50ES2-Eonly.

For VL-50ES2-E

Note

-Check that the unit operates correctly.

- Malfunctionsmayoccurwhenelectronic

switches,includingforspeedswitchesand

timers controlled by semiconductor, are used.

Mounting

plate

Unitxingscrew

Unitxing

screw

Unit

Cushion

Drain pan end

Terminalblock

Bush

Ground cable

Ground screw

Cordclamp

Lead-inopening

Power and connection

cable

Operation requires a control switch. Have a

control switch ready and connect the wiring

shown in bold on the connection diagram below.

Suitablecables:ø0.5toø2.0mmdiameter

(1) Remove the covering from the nal 10 mm

of the power and connection cables and

screw the ends in place on the terminal

block.

(2)Attachagroundcabletotheattachingpartfor

ground with a ground screw to ensure the unit

is grounded.

(3)Fixthepowerandgroundingwiresinplace

with the cord clamp.

(4) Make sure that the wires have not come

loosefromtheterminalblock.

(5)Screwonterminalblockcoveratitsoriginal

position.

(6)Attachtheterminalblockcover.

5.5 Attaching the panel

1. Attach the wire of the panel (fall prevention)

to the hook of the unit.

COM

Isolator

Terminalblockcover

Wire

Hook

Panel

Unit

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