Seametrics FS10 User Manual download pdf

PUB 19200-1000

Page 1 of 2

FS10 Single Flow Switch

Instructions

Designed to be used with a variety of SeaMetrics

meters, the FS10 signals when flow reaches a critical

setpoint. When flow falls below the setpoint, SPDT re-

lay contacts close to actuate whatever alarms or con-

trols are connected to them. Setting is by means of

DIP switches, and the setpoint is in pulses per minute.

An output lights gives visual indication that flow limit

has been reached.

Specifications

Power 115 VAC

Enclosure NEMA 4x, 5" x 7" polycar-

bonate

Relays SPST

Relay Rating 5 A resistive at 115 VAC

5 A at 24 VDC

Setpoint Range 1 - 33,000 pulses/

minute

Setpoint Hysteresis 6%

Sensor Power 25 mA at 12 VDC

nominal

Features

Mounting. To gain access to the mounting screw holes,

remove the front clear cover. Mounting screw holes

are at the four corners, under the cover screws. Mark

the centers of these holes, using the box or the en-

closed template, and drill. Finally, insert screws through

the corner holes and tighten.

Terminal Access. Terminals are on the back side of

the printed circuit board. Remove the front clear cover,

then remove the four front plate screws. Turn the printed

circuit board over to reach the terminals.

Connect Flow Meter. Bring the flow meter input cable

into the unit through the appropriate strain relief, then

connect following the Connections diagram. Either two-

wire (dry contact) or three-wire (solid state) flowmeter

sensors can be used.

Connect Alarm Relay. Bring alarm output cable into

the unit through the appropriate strain relief and con-

nect to relay output, as shown in the Connections dia-

gram. Note that depending on setting, the relay may

energize when the unit is first powered up. If this

presents a hazard, disconnect any devices on the

other end of the cable until settings have been made

and tested.

General Information

Installation

Input Indicator

Flow Rate Setting

Power switch

and indicator

Cover screws

and box mounting

screw holes

Power input cord

(6’ length)

Flow

relay output

Internal 5 Amp

replaceable fuse

Output Indicator

strain relief

Meter input

INPUT

FS10

FLOW SWITCH

Setting equals the

sum of the

switches turned "ON".

MANUAL

OFF ON

LOW FLOW

INC. KENT, WA.

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Summary of Contents

Page 1 - DISCONTINUED

PUB 19200-1000Page 1 of 2FS10 Single Flow SwitchInstructionsDesigned to be used with a variety of SeaMetricsmeters, the FS10 signals when flow reaches

Page 2

SettingSee example diagram for method of setting. Note thatthe relay de-energizes when flow falls below the setpoint.Connect Power. If using the pow

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Seametrics FS10 User Manual

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