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Enerco | enerRadiant® HST Series Heater
Operating Instructions and Owner’s Manual
Where can the heater be installed?
The enerRadiant HST 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 enerRadiant HST heater is not intended for installation in the
following areas:
•
Residential living or sleeping areas
•
Basements
Installer’s responsibility
The enerRadiant HST 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 or your
local Enerco Independent Representative for guidance.
Use the information given in this manual together with the cited
codes and regulations to perform the installation. If any aspects of
the installation are unclear, consult your Enerco Independent
Representative for clarification. The installer must furnish 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 manual to
the owner.
Section 2 PLANNING
General
This section provides the following information:
•
Defines the gas, electric and venting requirements for the
enerRadiant HST 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.
LP Gas (propane):
Minimum – Inlet 10.5” w.c.
Maximum – Inlet 14.0” w.c.
Manifold Pressure
Natural Gas: 4.0” w.c.
LP 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
NFPA 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
NFPA 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.
