Reznor PDH Option - Installation - Venting Instructions Manual de usuario descargar pdf

Form I-PDH-V, P/N 211409R2, Page 1

Applies to: PREEVA

Indoor, Power-Vented

Heater Model PDH

Venting Instructions

Form I-PDH-V

General

Venting

Requirements

Verify that the label near the

vent outlet on the heater

matches this label.

Power-Vent

Indoor

Model PDH

CQS

This manual applies only to venting instructions and must be used with the Model PDH

installation manual, Form I-PDH/SDH/PEH/SHH/PXH. Both manuals are shipped with

the heater. If either manual is missing, contact your distributor before beginning instal-

lation. The venting instructions in this manual apply only to PREEVA

Model PDH.

Model PDH heaters are certied as Category III appliances.

WARNING

Each heater requires its own individual vent pipe run and vent cap.

Manifolding of vent runs can cause recirculation of combustion

products into the building. Failure to comply could result in severe

personal injury or death and/or property damage.

Venting must be in accordance with local codes and the National Fuel Gas Code NFPA

54 / ANSI Z223.1 or CAN/CSA B149.1 Natural Gas and Propane Installation Code.

Local requirements supersede national requirements.

This power-vented heater is designed to operate safely and efciently with either a

horizontal or vertical vent. Comply with the specic requirements and instructions.

If this heater is replacing an existing heater, be sure that the vent is sized properly for

the heater being installed and that the existing vent is in good condition. A properly

sized vent system is required for safe operation of the heater. An improperly sized vent

system can cause unsafe conditions and/or create condensation. Do not vent into an

existing gravity vent or chimney.

Installation should be done by a qualied agency in accordance with these instructions.

The qualied service agency installing this system is responsible for the installation.

1. Type of Vent Pipe

A commercial/industrial installation may have either a horizontal or a vertical vent run

using one of the types of vent pipe listed.

Horizontal

Vent Run

• Vent pipe approved to UL Std 1738 for a Category III appliance,

• Appropriately sealed 26-gauge or heavier galvanized steel or

equivalent single-wall pipe

Vertical

Vent Run

• Vent pipe approved to UL Std 1738 for a Category III appliance,

• Appropriately sealed 26-gauge or heavier galvanized steel or

equivalent single-wall pipe

OR, if at least 75% of the equivalent length of the vent run is vertical

Vent Terminal

Section

• Both horizontal and vertical vent terminal section must be

double-wall (Type B) vent pipe

201214

POWER

VENT

1 2 3 4 5 6 7 8

Indice de contenidos

Pagina 1

Form I-PDH-V, P/N 211409R2, Page 1Applies to: PREEVA® Indoor, Power-Vented Heater Model PDHVenting Instructions Form I-PDH-VGeneralVenting Requiremen

Pagina 2 - (cont’d)

Form I-PDH-V, PN 211409R2, Page 22. Vent Pipe Diameter and Length • Use only one diameter of vent pipe on an installation. • Minimum vent length is

Pagina 3 - Terminal

Form I-PDH-V, P/N 211409R2, Page 35. Vent System SupportSupport horizontal runs every six feet (1.8M). Support vertical runs of Category I

Pagina 4 - Venting Requirements (cont’d)

Form I-PDH-V, PN 211409R2, Page 4Venting Requirements (cont’d)FIGURE 2 - Horizontal Vent Terminal (NOTE: Read all measurements; drawing is not proport

Pagina 5 - ADDENDUM

Form I-PDH-V, P/N 211409R2, Page 5ADDENDUM FIGURE 4 - Attaching Double-Wall (Type B) Pipe to Single-Wall PipeFIGURE 4 - STEP 1On the single-wall pipe

Pagina 6

Form I-PDH-V, PN 211409R2, Page 6FIGURE 5 - Attaching Double-Wall (Type B) Pipe to a Vent CapFIGURE 5 - STEP 1Place a continual 3/8” bead of silicone

Pagina 7

Form I-PDH-V, P/N 211409R2, Page 7FIGURE 6 - Attaching Double-Wall (Type B) Vent Pipe to the HeaterFIGURE 6 - STEP 1Place a continual 1/4” bead of sil

Pagina 8 - (800) 695-1901

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