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VZ-VZH-VZT-IOM (08-24) 1047121-A
SYSTEM CONFIGURATIONS—CONTINUED
L-Tube Configurations
L-tubes may be used to produce a variety of configurations. Contact Reznor support for further details.
⚠ CAUTION ⚠
For unit sizes 40–80, a minimum of 10 feet (3 meters) is required between the burner and the
L-tube—minimum 15 feet (4.5 meters) for unit sizes 100–200.
INSTALLATION
⚠ DANGER ⚠
• If the tube assembly must pass through the building structure, ensure that adequate sleeving
and a fire stop is installed to prevent a fire or scorching.
• DO NOT locate the gas or electric supply lines directly over the path of the flue products from
the heater.
⚠ WARNING ⚠
Edges are sharp. Wear protective gear during installation and maintenance.
NOTE: For optional tube assembly components such as reflector side extensions, protective shields,
or protective grilles, refer to the instructions provided with the option. Propane or high-elevation
conversion may be done either before or after heater installation (refer to ADJUSTMENTS section).
Unpacking and Inspection
If, upon removing any heater component from its crate, the component has been found to have incurred any damage
in shipment, document the damage with the transporting agency and contact an authorized Factory Distributor. If
you are an authorized Distributor, follow the FOB freight policy procedures.
Pre-Installation Checklist
Check the rating plate for the gas specifications and electrical characteristics of the heater to ensure that they
are compatible with the gas and electric supplies at the installation site.
Read this manual and become familiar with the installation requirements of your particular heater.
If you do not have knowledge of local requirements, check with the local gas company or any other local agencies
who might have requirements concerning this installation.
Before beginning, make preparations for necessary supplies, tools, and manpower.
Check to see if there are any field-installed options (refer to Table 5) that need to be assembled/installed prior
to unit installation. Ensure that all options ordered are at the installation site. Instructions are in this manual or
in the shipped-separate option package.
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