Datasheet > AFD20

AFD20

更新时间： 2022-12-17 01:01:20

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描述
Solid StateWaterflow Detectors

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AFD20 数据手册

™

Accuflow T-Tap

Solid State

Waterflow Detectors

AFDT

AFDT (cover removed)

Models Available

AFDT

Water Flow Detector

(ULC/Candian)

AFDTH

AFDTA

AFDTHA

Water Flow Detector

(ULC/Candian)

Replacement Parts

WFDW

Cover wrench

546-9000

Cover tamper

switch kit

WFDN4

PRK9

Gasket kit

Paddle Kit

AFDPCBRK

Retard PCB kit

Product Overview

Solid state retard assures precise

timing accuracy

System Sensor’s Accuflow™ T-Tap series is a new line of solid state waterflow

detectors designed for primary signaling in residential systems and branch line

signaling. These models fit 1” NPT tees including: 1”, 1-1/4” and 1-1/2” NPT

threaded ferrous and brass tees; 1”, 1-1/4”, 1-1/2” and 2” copper sweat tees;

1” CPVC tees; and 1-1/2” polybutylene tees. For 2” cast and malleable threaded

tees use 2” paddle (P02-0023-000) provided.

Designed for use with 1” NPT

connections

Dipswitch selections simplify

retard settings

Robust Construction. The Accuflow AFDT model consists of a rugged enclosure for

indoor and outdoor use. Like all System Sensor waterflow detectors, Accuflow mod-

els operate across a wide temperature range, from 32ºF to 120ºF (0°C to 49°C).

Non-polarized, two-wire design

allows connection to a local bell and

conventional or addressable systems

Reliable Performance. Accuflow detectors incorporate a solid state retard to ensure

consistently accurate timing. Designed for use within conventional and addressable

fire alarm systems, Accuflow detectors include connections for both the panel or

addressable module, as well as a local bell or notification device.

Terminals accommodate up to

12 AWG wire

Synchronized switches activate

both the alarm panel and local

bell simultaneously

False Alarm Immunity. The solid state circuitry of the Accuflow series provides

greater timing accuracy over traditional mechanical retard designs. This accuracy

minimizes the risk of false alarms created by pressure surges or air trapped within

the sprinkler system.

Field-replaceable retard assembly

Simplified Operation. Accuflow detectors are designed to simplify installation. Wired

like traditional waterflow detectors, the Accuflow series does not require the installer

to run an additional third wire. Two conduit openings permit easy attachment to the

local alarm system.

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