Economite RE32 Panduan Petunjuk Instalasi dan Servis - Halaman 3

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FIGURE 2 Dry Base Boiler With Combustion Chamber

Liner (Furnace Construction is Similar)

WARNING: BURNER CABINET MUST BE MOUNTED

IN ORIENTATION

SHOWN IN FIGURES 2

ANY OTHER MOUNTINGS MAY CAUSE DANGEROUS

CONDITION, AND WILL VOID BURNER WARRANTY AND

AGENCY APPROVALS.NON-STANDARD ARRANGEMENTS

MAY BE AVAILABLE FOR SOME MODELS; CONSULT

FACTORY FOR DETAILS IF REQUIRED.

Before permanently setting the burner in place, check

retention plate and pilot assembly to make sure they are free

of foreign materials.

IV CHIMNEY, VENT CONNECTOR, AND

DRAFT CONTROL

WARNING:The chimney shall be inspected for unsafe

conditions such as deteriorated masonry and excessive

soot or other blockage or potential blockage. Installation

must conform with local codes or in the absence of local

codes with ANSI Z21.8-latest edition and NFPA, ANSI Z223.1

- latest edition

WARNING: THE VENT CONNECTOR SHALL NOT BE

CONNECTED TO A CHIMNEY ALREADY VENTING SOLID

FUEL BURNING EQUIPMENT, AN INCINERATOR OR AN

OPEN FIREPLACE.

The Vent Connector shall be made of non-combustible

corrosion resistant material capable of withstanding the vent

gas temperature produced by the gas utilization equipment and

of sufficient thickness to withstand physical damage.

The Vent Connector shall be as short as possible.

entire length shall be readily accessible for inspection, cleaning

and replacement.

The length of horizontal uninsulated Vent Connector

between chimney and a single gas utilization equipment shall

not exceed 75% of the height of the chimney above the

connector, or 100% if the Vent Connector is insulated.

Maximum Input

64 MBH

100 MBH

143 MBH

195 MBH

225 MBH

300 MBH

TABLE 1: Recommended Flue Pipe Sizes

Source: ANSI Z21.8A-1990, Installation of Domestic Gas

Conversion Burners. For Other Applications, Consult

Appropriate Standards.

The Vent Connector shall be installed so as to avoid turns or

other construction features which create excessive resistance

to flow of vent gas. It shall be installed without any dips or sags

and shall slope upward at least 1/4" per foot.

A manually operated damper shall not be placed in the Vent

Connector or chimney of any gas utilization equipment.

The Vent Connector shall be firmly attached to draft hood

outlets and flue collars. Joints between sections of connector -3-

AND

The

Flue Pipe Diameter

FIGURE 3 Wet Base Boiler with Unlined

piping shall be fastened by sheet-metal screws or other

approved means. The Vent Connector shall be supported for

the design and weight of the material employed to maintain

clearance and prevent physical damage and separation of

joints.

A draft hood or a barometric draft regulator shall be installed

in the same room or enclosure as the equipment in such a

manner as to prevent any difference in the pressure between

the hood or regulator and the combustion air supply. In no

case shall the relief opening of the draft hood or barometric

draft regulator be located at a point lower than the top of the

highest flue passage in the equipment.

Gas utilization equipment requiring controlled draft may be

equipped with a listed double acting barometric draft regulator

installed and adjusted in accordance with the manufacturerÕs

instructions if approved by local codes.

A device which will automatically shut off gas to the burner in

the event of sustained backdraft is required. It shall be of the

listed manual reset type and installed and adjusted by a

qualified

service

technician

manufacturerÕs instructions.

FIGURE 4 Draft Hood

FIGURE 5 Barometric Dampers

Figure 4 and 5 : Copyright by the American Gas

Association. Used by permission of the copyright holder.

Combustion Chamber

accordance

with

the