Mr. Heater HST45 Operations Instructions download pdf (Page 6)

| Gas-Fired Low-Intensity Infrared Heater Operating Instructions and Owner’s Manual

Where can the heater be installed?

The MHT/HST tube heater is intended for installation in the following

areas

• Residential applications, such as:

— garages

— greenhouses

— workshops

• Light industrial/commercial applications, such as:

— entranceways

— lobby areas

— Lunch rooms

— aircraft hangars (see Section 2 for restrictions)

— public garages ( see Section 2 for restrictions)

Where can’t the heater be installed?

The MHT / HST tube heater is not intended for installation in the

following

areas:

• Residential living or sleeping areas

• Basements

Installer’s responsibility

The MHT/HST tube heater , as well as the gas and electrical supply, and

the

venting of the heater must be installed in accordance with

applicable

specifications and codes. Only firms (or individuals) well

qualified

in this type of work should install the system. Consult local

Building

Inspectors, Fire Marshals for further guidance.

Use

the information given in this manual together with the cited

codes

and regulations to perform the installation. The installer must

rnish all needed materials that are not furnished as standard

equipment.

It is also the installer’s responsibility to see that the

materials

and installation methods used, result in a job that is

workmanlike

in appearance and is in compliance with all applicable

codes

and requirements to this manual. The installer must give this

man

ual to the owner.

Section 2 PLANNING

Genera

This section provides the following information:

• Defines the gas, electric and venting requirements for the

MHT /HST tube

heater.

• Specifies the national standards and applicable codes that

apply to the gas, electric and venting requirements.

• Specifies the national standards and applicable codes that

apply

to non-residential installations.

Gas Service Requirements:

System Requirements

Inlet Connection

Connection:

½” Male NPT

Inlet

Pressure

Natural Gas:

Minimum - Inlet 5.0” w.c.

Maximum – Inlet 10.5” w.c.

Gas (propane):

Minimum

– Inlet 10.5” w.c.

Maximum

– Inlet 13.0” w.c.

Manifold

Pressure

Natural Gas: 4.0” w.c.

Gas (propane): 10.0” w.c.

Type of Gas

The type of gas appearing on the nameplate must be the type of

gas

used. Installation must comply with local codes and

recommendations of the local gas company. United States: Refer to

National Fuel Gas Code, ANSI Z223.1 – latest revision, (same as

PA Bulletin 54). Canada: Refer to Can 1-B149.1: Installation

Codes

for Gas Burning Appliances.

Gas Supply Lines

The size of the gas supply lines must comply with local codes and

recommendations of the local gas company. United States: Refer to

National Fuel Gas Code, ANSI Z223.1 – latest revision, (same as

PA Bulletin 54). Canada: Refer to CAN 1-B149.1: Installation

Codes

for Gas Burning Appliances.

A 1/8” NPT plugged tap must be installed in the gas line

connection

immediately upstream of the heater that is farthest

from the gas supply meter. The tap is required for checking system

gas

pressure.

Meter and Service

Meter and service must be large enough to handle all the heaters

being

installed plus any other connected load. The gas line which

feeds the system must be large enough to supply the required gas

with

a maximum pressure drop of ½” w.c. When gas piping is not

included

in the layout drawing, the local gas supplier will usually

help

in planning the gas piping.

Enerco Group, Inc.,

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