TEL AFA 500 Instrucciones de funcionamiento

Airﬂow Monitor

AFA500

helping you create a safer environment in your workplace

a breath of fresh air.....

AFA500 Series Airﬂow Monitors

General Description

The AFA500 series of airﬂow monitors and controls are designed to ensure the Safety of the users of:

FUME CUPBOARDS

FUME HOODS

BIOLOGICAL SAFETY CABINETS.

The AFA500 is an entry level airﬂow monitor that is designed for applications where airﬂow velocity indication is not required. The

AFA500 is available with either a built in or remote unique airﬂow sensor that is used to measure Face Velocities or Duct Velocities.

The sensor has no inherent drift and will provide stable readings over many years of operation without re-calibration.

AFA500

AFA500 Airﬂow monitor suitable for Standard airﬂow applications

• Audio visual airow alarm with integral or remote Airow sensor

• 2 Point or Alarm Point Capture Pushbutton calibration

• Low air alarm relay output

• Relay input for Night Setback to mute audible alarm

• Relay input for Sash High alarm

• Permanent or momentary alarm mute

Alarm Range

Field Set up

Accuracy

Airﬂow Sensor

Relay Output

Low Air Alarm Delay

Relay Input

Com Port

Sash High Alarm

Night Setback

Display

Alarm Indication

Horn Silence

Mounting

Monitor Operating

Temperature range

Airﬂow sensor

Operating temperature

Airﬂow sensor

Working temperature

Storage temperature

Agency Listings

Hazardous Area

(Remote Airow sensor

or pressure switch)

AFA500

0.15-2.00m/s (30-400fpm)

Integral or remote SM6

Airﬂow sensor

Single or 2 Point calibration

Alarm point Capture

Velocity +/-5%

Integral Airﬂow Sensor

or remote SM6

1 Low Air Alarm

Fixed 5 Seconds

2- Sash High / Setback

RS485 Monitor

Conguration only

Yes with alarm repeat

Yes – relay input

2 x LED’s

(Safe/Alarm)

Red LED with

Audible alarm

Temporary or

Permanent

Fully ush (Mk2)

Semi ush (Mk3)

13-30°C

55-86°F

15-25°C

59-77°F

Ambient +25°C/77°F

-40-65°C

-40-150°F

RoHS

Gas group IIC

Temp Class T6

With Atex certied I.S

Zener Barriers

AFA500 Series Speciﬁcation

Specications

TEL!AFA!500!MK3!FUME!HOOD!MONITOR!—!INSTALLATION!AND!OPERATION!GUIDE!

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STARTUP!

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ALARM!PANEL!DIMENSIONS!

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PANEL!

CUTOUT!

DIMENSIONS!

AFA500!!

mounted!on!front!

of!side!post!

Fume!hood!

outer!skin!

Fume!hood!

inner!skin!

1!inch!

!hose!

1!inch!

female!adapter!

1!inch!

male!

bush!

TEL!AFA!500!MK3!FUME!HOOD!MONITOR!—!INSTALLATION!AND!OPERATION!GUIDE!

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FRONT!POST!INSTALLATION!

CONNECTION!

DETAILS!

SIDEWALL!SENSOR!PLACEMENT!

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There!are!four!ways!to!silence!the!audible!alarm!on!an!AFA!500!fume!hood!or!bio9safety!cabinet!

alarm.!

./'0)1234546'1"#)!

When!the!monitor!is!in!alarm!mode,!press!the!enter!button.!The!horn!will!remain!off!for!the!

duration!of!the!alarm!condition.!When!the!monitor!returns!to!safe!mode,!the!alarm!will!be!re9

enabled!for!the!next!time!the!monitor!has!an!alarm!condition.!

If!the!user!wants!to!use!a!temporary)mute)with)

a)ringback)feature!—!wherein!the!audible!

alarm!will!resume!after!a!set!time!period!—!

this!can!be!accomplished!by!connecting!two!

wires!from!the!relay!output!terminals!to!the!+!

and!SW!terminals!on!the!sash!high!input!relay.!

Once!this!connection!is!made,!an!low!air!alarm!also!will!initiate!the!sash!high!alarm.!If!a!user!

pushes!the!enter!button!for!a!temporary!mute,!it!will!re9sound!after!five!minutes.!

7/'8)415%)%#'1"#)!

When!the!monitor!is!in!normal!operation!mode,!press!and!hold!the!set!button!for!10!seconds.!

The!audible!alarm!will!beep!three!times!to!indicate!the!alarm!is!disabled.!When!the!airflow!is!in!

the!normal/safe!condition,!the!green!LED!will!flash!to!indicate!the!alarm!has!been!disabled.!

When!the!airflow!is!in!a!fail/unsafe!condition,!the!red!light!will!blink!and!no!horn!will!sound.!To!

undo!the!permanent!mute,!press!and!hold!the!set!button!for!10!seconds.!The!audible!alarm!will!

beep!three!times!to!indicate!the!alarm!is!enabled.!

9/':$&(#';)#<5=>!

This!is!a!“temporary”!mute!activated!by!electric!input.!The!monitor!has!two!dry!contact!relay!

inputs!on!the!back.!To!enable!night!setback,!wire!an!external!element!(a!building!automation!

system!or!the!hood!power,!the!fan!power,!the!room!light,!etc.)!into!the!correct!relay!inputs.!

Then,!when!the!external!element!changes!states!(turns!on/turns!off,!etc.)!it!sends!a!signal!to!the!

relay!to!switch!from!open!to!closed.!When!the!monitor!enters!night!setback!mode,!the!audible!

alarm!is!disabled.!If!there!is!sufficient!airflow,!the!green!light!will!blink.!If!there!is!an!air!fail!

condition,!the!red!light!will!flash.!Then,!when!the!external!element!changes!states!back!to!the!

original!condition,!the!relay!switches!back!and!the!alarm!returns!to!normal!operating!mode!(the!

horn!is!re9activated!automatically!and!the!green!light!returns!to!solid!state).!

To!make!sure!everything!is!set!properly,!activate!the!blower!switch!on!and!off!while!looking!at!

the!monitor!to!make!sure!the!mode!is!changing!as!intended.!

?/'@A$%>B'23C)4!

This!approach!involves!wiring!the!monitor!so!when!the!power!to!an!external!source!(such!as!the!

hood!light)!is!shut!off,!the!monitor!powers!off!as!well.!This!can!be!done!by!wiring!the!outlet!that!

powers!the!monitor!to!lose!power!whenever!the!light!loses!power!(kind!of!how!a!TV,!DVD!

player,!etc.,!all!shut!off!when!turning!off!the!community!surge!protector/power!strip).!The!

monitor!will!remember!its!calibration!when!power!is!restored.!

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TEL AFA 500

TROUBLESHOOTING GUIDE

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Holland Safety Equipment • 726 McKinley Ave., Libertyville, IL 60048 • Phone: 847-680-9930 • Fax: 847-680-9938

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