Reznor UDAP-CV with option AV6 Option - Installation - Common Vent User Manual

Page 5

Form I-UD-V-CV, PN195677R5, Page 5

Model

UDAP

-CV

Type B Double-Wall

Vent Connector

Category I

Appliance

Vent Connector

of another

Category I

Appliance

Type B Double-Wall

Common Vent

*R = 3 ft (.9M)

maximum

3.0 SECTION 2 -

Requirements

and

Instructions

for Category

I Common

Venting of a

Model

UDAP-CV

DANGER: A Model UDAP-CV heater is designed for a Category

I common venting application. Common venting is when two

or more Category I appliances are vented into a single vertical

vent. The installer must comply with the venting requirements

listed in is this section, instructions provided with other

appliances that are to be commonly vented with the Model

UDAP-CV, and local codes. Verify that any appliances being

commonly vented with the Model UDAP-CV are designed for

Category I common venting. Failure to comply will result in

severe personal injury or death and/or property damage.

3.1 SECTION 2 -

Category

I Common

Vent General

Definitions

FIGURE 2A - Typical Common Vent

Application of a Model UDAP-CV and

another Category I appliance using a Type B

Double-Wall Common Vent

(3 ft/.9M

maximum)

Type B

Lined

Masonry

Chimney

Model

UDAP-CV

Category I

Appliance

Type B

Double-Wall

Vent

Connector

ent

Connector

FIGURE 2B - Typical Common Vent Appli-

cation of a Model UDAP-CV and another

Category I appliance venting into a Type B

double-wall lined masonry chimney

H = Common Vent Height

Definition - The common vent height is the vertical distance measurement from the highest

drafthood outlet or flue collar to the vent cap or chimney outlet of the common vent.

R = Vent Connector Rise (3ft/.9M maximum)

Definition - The vent connector rise is the vertical distance measurement from each heater or

appliance outlet to the centerline where the vent gas streams come together.

Common Vent: The vertical portion of the venting system that conveys the

vent gas streams from all the appliances connected in common. (See exam-

ples in

FIGURES 2A and 2B.)

Vent Connector: The individual horizontal length of vent pipe from each appli-

ance to the vertical common vent is the vent connector. (See

FIGURES 2A

and 2B.)

Vent Connector Rise: The vent connector rise is the vertical distance mea-

surement from the appliance outlet to the centerline where the vent gas

streams come together. The maximum rise permitted is three feet (.9M). (See

FIGURES 2A and 2B.)

Comply with these requirements to common vent a Model UDAP-CV as a

Category I appliance with other Category I appliance(s).