Mr. Heater MHT 45 Typical Installation Venting, Canadian Installations1 US Installations2

Page 12

Typical Installation

 

 

Section 4 VENTING

The Illustration below shows a typical installation of the MHT tube

This appliance is certified under the ANS/CSA Standard for Vented

heater. The installation drawing shown has a straight horizontal

Gas-Fired Space Heating Appliances. In accordance with these

venting arrangement and specifies the minimum space required for

standards all sidewall venting must conform to the supplied diagram

maintenance, as well as the allowable range of distances between

for Vent Terminal Clearances, which are stated for both U.S. and

the two suspension points.

 

 

 

Canadian installations. These clearances should be compared

Detailed venting arrangements are illustrated in following portions of

to but not less than those specified in the current ANSI Z223.1/

NFPA 54, National Fuel Gas Code, or CSA B149.1, Natural Gas and

this section.

Minimum

 

 

 

 

Propane Installation Code. Clearances not covered in the table or

 

Recommended

 

6" Min

 

 

above listed codes must comply with local installation codes and the

 

for servicing

 

X

 

 

 

requirements of your local gas supplier.

24"

15"

1" Max.

Suspension

 

 

 

Points

 

Vent terminal

Burner Box

Reflector

 

 

 

 

 

 

Exterior Wall

 

 

 

 

Outside wall thickness -

 

 

 

10" max. 1/2" min.

 

Minimum Mounting

 

 

 

 

 

 

 

 

Height- 7 feet*

 

XDimension

Model Min. Max.

MHT-45 102" 114"

(*)For minimum mounting height in aircraft hangars and public garages.

 

 

 

 

Canadian Installations1

 

 

US Installations2

 

A=

Clearance above grade,

 

12 inches (30 cm)

 

 

12 inches (30 cm)

 

 

veranda, porch, deck or

 

 

 

 

 

 

 

balcony

 

 

 

 

 

 

B=

Clearance to window or door

 

6 inches (15 cm) for appliances <

 

 

6 inches (15 cm) for appliances <

 

 

that may be opened

 

10,000 Btuh (3 kW), 12 inches (30

 

 

10,000 Btuh (3 kW), 9 inches (23

 

 

 

 

cm) for appliances > 10,000 Btuh

 

 

cm) for appliances > 10,000 Btuh

 

 

 

 

(3 kW) and < 100,000 Btuh (30

 

 

(3 kW) and < 50,000 Btuh (15

 

 

 

 

kW), 36 inches (91 cm) for

 

 

kW), 12 inches (30 cm) for

 

 

 

 

appliances > 100,000 Btuh (30 kW)

 

 

appliances > 50,000 Btuh (15 kW)

 

C=

Clearance to permanently

 

*

 

 

*

 

 

closed window

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D=

Vertical clearance to ventilated

 

*

 

 

*

 

 

soffit located above the

 

 

 

 

 

 

 

terminal within a horizontal

 

 

 

 

 

 

 

distance of 2 feet (61 cm) from

 

 

 

 

 

 

 

the center line of the terminal

 

 

 

 

 

 

E=

Clearance to unventilated soffit

 

*

 

 

*

 

F=

Clearance to outside corner

 

*

 

 

*

 

G=

Clearance to inside corner

 

*

 

 

*

 

H=

Clearance to each side of

 

3 feet (91 cm) within a height 15

 

 

 

 

 

center line extended above

 

feet (4.5 m) above the

 

 

*

 

 

meter/regulator assembly

 

meter/regulator assembly

 

 

 

 

I=

Clearance to service regulator

 

3 feet (91 cm)

 

 

*

 

 

vent outlet

 

 

 

 

 

 

J=

Clearance to nonmechanical air

 

6 inches (15 cm) for appliances <

 

 

6 inches (15 cm) for appliances <

 

 

supply inlet to building or the

 

10,000 Btuh (3 kW), 12 inches (30

 

 

10,000 Btuh (3 kW), 9 inches (23 cm)

 

 

combustion air inlet to any

 

cm) for appliances > 10,000 Btuh (3

 

 

for appliances > 10,000 Btuh (3 kW)

 

 

other appliance

 

kW) and < 100,000 Btuh (30 kW),

 

 

and < 50,000 Btuh (15 kW), 12

 

 

 

 

36 inches (91 cm) for appliances

 

 

inches (30 cm) for appliances >

 

 

 

 

> 100,000 Btuh (30 kW)

 

 

50,000 Btuh (15 kW)

 

K=

Clearance to a mechanical air

 

6 feet (1.83 m)

 

 

3 feet (91 cm) above if within 10 feet

 

 

supply inlet

 

 

 

 

(3 m) horizontally

 

L=

Clearance above paved

 

7 feet (2.13 m) +

 

 

*

 

 

sidewalk or paved driveway

 

 

 

 

 

 

 

located on public property

 

 

 

 

 

 

M=

Clearance under veranda,

 

12 inches (30 cm) ++

 

 

*

 

 

 

 

 

porch deck, or balcony

 

 

 

 

 

 

1

In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code.

 

 

2

In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code.

 

 

+

A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.

 

++

Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.

 

 

*

For clearances not specified in ANSI Z223.1/NFPA 54 or CSA B149.1, one of the following shall be indicated:

 

 

 

a) A minimum clearance value determined by testing in accordance with section 2.19.6, or;

 

b) A reference to the following footnote:

“Clearance in accordance with local installation codes and the requirements of the gas supplier.”

Mr. Heater Gas-Fired Low-Intensity Infrared Heater 12 Operating Instructions and Owner’s Manual

Image 12
Contents For Your Safety Contents Available Accessories Before YOU BeginUnpacking the Heater IntroductionAbout The Heater Rear ViewTechnical Specifications Heater SpecificationsVenting Specifications End ViewWhere can the heater be installed? Where can’t the heater be installed?Installer’s responsibility Gas Service Requirements System RequirementsNon-residential Installations GroundingVenting Requirements Venting CodesInstallation Safety EquipmentInstallation Tools Installation MaterialsHorizontal Installations Tilted InstallationsGeneral Guidelines Residential Minimum Required Safe Distances from CombustiblesHorizontal Installation Tilted InstallationHang the Heater Heater OrientationMHT Heater Assembly Instructions Typical Installation Venting Canadian Installations1 US Installations2This section Requirements of your local gas supplierBasic Flue Venting Residential Only Vertical Through the RoofVenting/Ducting Roof Pitch MinHorizontal Through the Sidewall Horizontal Venting Vertical VentingSingle Wall Double WallAir For Combustion Residential Outside Combustion Air SupplyDirect Outside Air For Combustion Residential Vertical VentingElectrical Service Installation Gas Service InstallationInstall Gas Supply Lines System RequirementsOperation Use LP-resistant joint compound on all threadsSupplied by others Maintenance Pre-Season Maintenance Operation of the HeaterProper Operating Flame Troubleshooting Blower does not Come onIgniter does not Spark Burner does not Light Burner does not Stay LITIllustrated Parts Illustrated PartsHST-35 HST-45 Mr. Heater Model #MHT 45 Tube Heater Model # MHT

MHT 45 specifications

The Mr. Heater MHT 45 is a versatile and powerful heating solution designed for both residential and commercial spaces. This portable propane heater stands out in the market due to its efficient heating capabilities and user-friendly features, making it ideal for workshops, garages, and outdoor activities.

One of the standout features of the MHT 45 is its robust heating output. It can deliver an impressive 45,000 BTUs, ensuring that even larger spaces are heated quickly and effectively. This high output is particularly beneficial during colder months, where rapid warmth is essential for comfort and productivity. The heater offers a heating range of up to 1,000 square feet, making it suitable for various applications, whether in the home or on the job site.

The MHT 45 utilizes advanced radiant heating technology, providing even warmth without requiring a fan. This technology allows for silent operation, making it an excellent option for noise-sensitive environments. Additionally, the radiant heat minimizes air movement and helps maintain humidity levels, creating a comfortable atmosphere while reducing dust and allergens in the air.

Another noteworthy characteristic is its portability. The MHT 45 comes equipped with a sturdy handle, allowing for easy transport between locations. This makes it a favorite among tradespeople who need efficient heat in different work areas or outdoor enthusiasts who want comfort while camping or tailgating.

Safety features are abundant in the Mr. Heater MHT 45. It includes an automatic shut-off system, which activates if the heater tips over, ensuring user safety. The built-in oxygen depletion sensor automatically turns the heater off if it detects low oxygen levels in the surrounding environment, providing peace of mind while operating.

The heater runs on a 20-pound propane tank, providing a substantial amount of heating time before needing a refill. This efficiency means users can rely on the MHT 45 for extended periods without frequent interruptions.

In summary, the Mr. Heater MHT 45 is a powerful propane heater packed with features that cater to both indoor and outdoor heating needs. With its high BTU output, silent operation, portability, and extensive safety measures, it represents a reliable choice for anyone looking to stay warm in various settings. Whether for personal use or demanding job sites, the MHT 45 is engineered to deliver comfort and convenience.