DriSteem Vapor-Logic Instalační příručka stáhnout pdf (Strana 34)

Page 32 • DRI-STEEM GTS Humidifier Installation, Operation, and Maintenance Manual

Vertical and horizontal venting guidelines (stack connection)

• The GTS is a Fan Assisted Category I (natural draft) Appliance.

Installations where the vent terminates in a side wall of the

building, or where the overall horizontal run exceeds the overall

vertical run require a power venter. See Page 34.

• Maximum flue temperature is 400 °F (205 °C) + ambient.

• Flue draft negative pressure greater than 0.2" wc (50 Pa) may cause

unacceptable post ignition.

• Vent piping must be UL or UL/CSA listed type B, B-W, or any

other vent type approved for a Category I appliance.

– Type B: Double wall construction, inner wall aluminum, outer

wall galvanized steel

– Type B-W: Same as type B except fabrication in oval shapes only

Do not use more than one type of venting per application Required

clearance for Type B and B-W vent piping is 1" (25 mm).

• Do not use vent equipment from more than one manufacturer.

• When connecting the humidifier to a gas vent or chimney,

installation must be in accordance with Part 7, Venting of

Equipment, of the National Fuel Gas Code, ANSI Z223.1; or

Section 7, Venting Systems and Air Supply Appliances, of the

CAN/CGA B149 Installation Codes; or National Gas Safety Code

(Installation & Use) Regulations (latest revision); governing codes,

and the vent manufacturer’s instructions.

• When applying the codes, reference also the venting

manufacturer's instructions, the service gas supplier's regulations,

and the specific instructions provided in this manual.

C A U T I O N ! Install a drip tee or flue box condensate drain for start-

up flue condensate removal. Failure to follow these instructions could

cause water to accumulate in the flue box.

• The purpose of venting the gas humidifier is to completely remove

all products of combustion and ventilation gases to the outside air.

• For vertical vent pipe terminations only: Do not reduce the vent

diameter and avoid short turns in the vent piping. Use the same

size stack as the vent furnished with the humidifier. Maintain a

minimum upward slope of ¼" per linear foot (2%) on all horizontal

runs. Maintain proper support of vent connections and joints.

Observe clearances (in accordance with applicable codes) from all

combustible materials and install an approved cap for the stack

outlet. The bottom of the cap must be one stack diameter above the

top of the stack.

• Inspect for proper and tight construction. Remove any restrictions

or obstructions. An existing chimney may require cleaning.

• For vertical vent pipe terminations only: Extend chimney or vent at

least 3' (1 m) above its passage through a roof and at least 2' (0.6 m)

above any ridge within 10' (3 m) of the chimney (governing codes

apply).

• Do not connect this humidifier to a chimney flue servicing a

separate appliance designed to burn solid fuel.

Ve r t i c a l a n d h o r i z o n t a l v e n t i n g

More instructions on the next page ▶

W A R N I N G !

The humidiﬁer must be installed by

a qualiﬁed technician and meet the

requirements of all governing codes. Failure

to follow these instructions could cause

severe bodily injury or death.

Note:

For European models, contact your

distributor for horizontal venting parts.

Installation

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