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Installation and Operation Instructions Document 7008B

H2015300B

Installation and

Operation Instructions for

Mighty Venter

Power Vent System

Models MV2, MV3, MV4, and MV5

for Mighty Therm Sizes 500-1825

FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,

qualified in hot water heater installation and maintenance. Improper installation and/or operation could

create carbon monoxide gas in flue gases which could cause serious injury, property damage, or death.

Improper installation and/or operation will void the warranty.

WARNING

If the information in this manual is not followed exactly, a fire or explosion may result

causing property damage, personal injury or loss of life.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or

any other appliance.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your building.

• Immediately call your gas supplier from a nearby phone. Follow the gas supplier's

instructions.

• If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency, or gas

supplier.

1 2 3 4 5 6 ... 11 12

Inhaltsverzeichnis

Seite 1 - Power Vent System

Installation and Operation Instructions Document 7008BH2015300BInstallation andOperation Instructions forMighty VenterPower Vent SystemModels MV2, MV3

Seite 2 - TABLE OF CONTENTS

LAARS Heating SystemsPage 10

Seite 3 - General Information

Mighty Venter Power Vent SystemsPage 11

Seite 4 - Side Wall Vent Hood Location

Laars WarrantyMighty Venter Power Vent SystemThis Laars product isbacked by this warrantyto assure your complete satisfaction.Laars warrants the compo

Seite 5 - 3. Vent Pipe Reducers

LAARS Heating SystemsPage 2TABLE OF CONTENTSSECTION 1.General Information1a. Sizing... 31b. I

Seite 6

Mighty Venter Power Vent SystemsPage 3SECTION 1.General InformationWARNINGThe MV2, MV3, MV4 or MV5 Mighty Venter must beinstalled in accordance with t

Seite 7 - 3b. Power Venter Mounting

LAARS Heating SystemsPage 48. Vent pipe between the Mighty Venter and venthood is acceptable. However, all vent pipeconnections after the power venter

Seite 8 - 3d. Wiring

Mighty Venter Power Vent SystemsPage 5Figure 1. Vent hood locations.Table 3. Vent Pipe Reducer Kit.3. Vent Pipe ReducersThe applicable Part Numbers fo

Seite 9 - Junction Box

LAARS Heating SystemsPage 6Table 4.NOTES:1. The asterisk (*) denotes parts that areincluded with the Mighty Venter kit.2. To calculate the equivalent

Seite 10 - LAARS Heating Systems

Mighty Venter Power Vent SystemsPage 7Figure 4. Placement of plumber's strap or threaded rod for MV4 and MV5.Figure 3. Placement of plumber'

Seite 11

LAARS Heating SystemsPage 83c. Fan Proving Switch InstallationNOTE: If installing the MV2, the fan provingswitch is factory installed. This section do

Seite 12 - Laars Warranty

Mighty Venter Power Vent SystemsPage 9Figure 5. Mighty Therm System 9, 11 or 16, Models 500-1825, wiring with Mighty Venter.Mighty ThermMighty VenterJ