Honeywell Braukmann EA79 Manuel utilisateur

epvell Braukmann

The Honeywell Braukmann EA79 In.dustrial

Air Ventpurgesairfrom highpressuremainsand

equipment in hot or cold closed water syste,ms.

Includes built-in shutoff valve for servicing with-

out system shutdown. For use with water systems up 250” F [!20” Cl.

Removable float/valveassemblyforeasy servicing.

Includes safety drain connection and vent cap with

leakage guard.

314 in. NIT male pipe thread with l/2 in. NPT

female pipe thread connections.

Maintains quiet and efficient operation

Brass shell construction

Internal parts made of corrosion-resistant and

chemical-resistant materials for use with water

systems containing glycol, mincial oils, or petro-

leum-based oils.

CQNTl?NTS

Specifications .................................................2

Ordering tnformatimi ....................................2

installation .....................................................3

Operation .......................................................4

service.. ................. ......................................... .4

Troubleshooting ..............

...............................5

C. H. . IO-92 . Otloneyvell Inc. 1992 .

FormNumber62-3034

EA79

SPECiFlCATlONS 0 ORDERING INFORMATION

MATERIALS OF CONSTRUCTION:

Body: Brass.

Cover ring: Brass.

Float, valve lever and cover: Engineered thermoplastics.

Seal disc and rings: Synthetic rubbers.

Fig. I-EA79 dimensions in in. [mm].

OPERATING RATINGS:

Maximum Pressure:150psi

Maximum Temperature:250” F 1120”C]

SAFETY RATINGS:

Maximum Pressure:450psi

Maximum Temperature:250” F [120° C]

CONNECTIONS: 314in.NPT malepipethreadwith l/Z in.

NE femalepipe thread.

DIMENSIONS: Referto Fig. 1.

CAPACITIES: Referto Fig. 2.

Fig. Z-EA79 flow capacities, with leakage guard

cap.

NOTE: Capacityindicatedisfor devicewith leakageguard

capcorrectly installedandoperational.Additional capac-

ity may beobtainedby removing theleakageguardcap

andinslallingaconnectionbetweenthe vem discharge

anddrain usingQl22AlKll SafeWasteConnector.

Ordering Information

HoneywellBraukmannCustomerService

1985DauglasDriveNorth

INDUSTRIAL AIR VENT:

Description

Industrialauomaticativent

ACCESSORIES:

ModelNumber

EA79AlOO4

Minneapolis,Minesora55422.3992

(612)542-7106(EasremUS) sak WasLCC”nneCLOrfor cannecling

(612)542-7103~eskm US)

3. 01fax you orderto 1-800~356-0149.

EA79

INSTALLATION

VI’I-IEN INSTALLING THIS PRODUCT...

1. Read these inslructions carefully. Failure to follow

them could dama~ the rxoduct or cause a hazardous

- .

c0ndi1i0n.

2. Check the radngs given in the instructions and on

the product LOmake sure lhe product is suilable for your

application.

3. 1r1s~alle.rmust be a uaiwd, experienced sew&x

technician.

4. Afrer installalion is complele, check ou( product

operation as provided in these instmctions.

Do nol use tools LOadjust Ihe EA79 or damage

to vent may resuh Use hands only to ad.;usi

venl. A wrench may be used only on hex during

mstallation.

LOCATION

Install Ihe EA79 on the positive side of the circulaloi-

pump at the poini when alr will accumulate. This is usuall)

Lhehigh point of the supply or ihe return main in Ihe sysiem

as shown in Fig. 3.

Fig. 3--install EA79 at high point in system

INSTALLATION

I. Fit EA79 vent in piping at a location as specified in

the Localion section.

2. Turn EA79 until venl fits tightly on piping. USC a

wrench to securely tighien hex.

3. If safkly drain connection is desired, inswll a pipe

between vent discharge and drain using Q122AlOOl %I~?

waste Conmclor.

4. Make sure thal Lhcred vent cap is securely Light, and

thal the valve is in the closed position by luming vent body

clockwise. See Fig. 4. Use hands only to avoid damaging

the vmt.

5. Wiih lhe valvein theclosed position, flush the system

as required to remove din, debris and contaminanis.

6. Fill the system with the appropriate solution.

7. Operate he EA79 by turning the air vent body coun-

vxckxkwise to tie open position. Use hands only, see Fig. 4.

8. Make pure the red vent cap is Ughlened all lhe way

to the slop posilion for proper leakage guard operalion.

Use hands only to tighten.

Fig. 4-Turn vent body counterclockwise to

open or clockwise to close.

3 62.3034

A79

OPERATION .a SERVICE

TheEA79 operatesasfollows:

Owning theair venl (turning valve body counterciock-

wise)exposestheEA79 to the system.Water and air may

enterthevent chamber.Thefloat will Mallthroughanyair in

thechamber.ThisopensLhcvemseal.

Theredvcn~capallowsair~opassLhroughtheopcnvent.

As the air isreleasedthroughthe vent cap, waterreplaces

iheairinLheventchalnberandthefloatrises.Thisclosesihe

ventseat.Whenadditionalair entersthevent chanber, Lhc

operationrepeats.

If thevent scatremainsopen,waterwill risethroilghthe

vcnl aId causetheswellingdisksinsidetie redcaptoclose

“SCthevem.Closingiheair vent (turningvalve body clwk-

wise)isolaicstheEA79 from lbesyslem,allowingservice.

TheEA79 may behot dueLOsys~cm~em~mturc

extremes.USCcautionwhenadjustingvent toprc-

vent burninghands.

TheEA79 maybecomeaccumulatedwith dirt in theseat

arca of Ihe float assembly,which may causethe vent LO

malfunction.Periodiccleaningisrecommendedto prevent

thevent Crammalfunctioning.

NOTE: ThcEA79 maybeservicedwithoutdcpressurizing

or draining

the system.

To clean the seat arca,

proceedasfollows:

1. Turn thevent body clockwiseto theclosedposition,

isolatingthevent from thesystem.See

Fig. 4.

2. Removethe float assemblyby unscrewingtheouter

ring at the top of Ihe body and lifting up the black cover

assembly.SeeFig. 5.

3. Cmhllly cleantheseatareaof any dimor &&is.

Donotbendspringonfloat assemblyordamageLO

theYentmay result.

4. Carefully clean any dirt or debrisfrom inside the

vent chamber.

5. ReplaceLhefloat assembly,making surethat the0

ring isseatedproperly (seeFig. 5).

6. Replaceblack cover assemblyonair venl body.

7. Using handsonly, replaceouter ring, turning until

handtight.

8. OperateLheEA79bytumingtheairvcntbodycounler.

clockwiseLOIheopenposition.Usehandsonly. SIX Fig. 4.

Make sure the red vent cap is tightened all the way

LOthe stop position for proper leakageguardoperation.

Usehandsonly to tighten.

Fig. S--En79

construction.

EA79

TROUBLESHOOTI~

The EA79 may be hot due LOsystem wnpemture

extremes. Use caution when adjusting vent to pre-

vent burning hands.

62.3034

Honeywell lhaukmann

Honeywell Inc.

1985 Douglas Drive North

Golden Valley, Minnesota 55422

FhlCd in U.S.A.

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