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Wiring the instrument, Caution – Fluid Components International FLT93 User Manual

Page 3

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FLT93 Flow Switch Series

FLUID COMPONENTS INTERNATIONAL LLC

Doc. No. 06EN003312 Rev. D

3

This page is subject to proprietary rights statement on last page

Wiring the Instrument

The instrument contains electrostatic discharge
(ESD) sensitive devices. Use standard ESD
precautions when handling the control circuit.

Wiring the Instrument into the Customer Application:

This section describes proper wiring to the transmitter inputs, outputs and interconnection cabling for the optional remote
configuration. See the following table to determine the size of wiring to be used versus the length of the wire.

Alert

FLT93 Integral (Remote) Wiring Pictorial

FLT93 Integral Wiring Diagram

Maximum Distance for AW G

Connection

10 ft.

50 ft.

100 ft.

250 ft.

500 ft.

1000 ft.

(3m)

(15m)

(31m)

(76m)

(152m)

(305m)

AC Power

22

22

22

20

18

16

Relay (6A)

22

16

12

Not Recommended

Flow Element W ires*

22

20

20

18

18

18

*Requires a shielded cable with the shield wire connected to the control socket only.

Only qualified personnel are to wire or test this
instrument. The operator assumes all
responsibilities for safe practices while wiring
or troubleshooting.

SAFETY

GND

HTR 2 REF 3 COM 4 ACT5

HTR 1

FLT93 Local Wiring Pictorial

SAFETY

GND

COM

ALARM

# 2

N/O

ALARM

# 1

COM

ALARM

# 1

N/C

ALARM

# 1

AC or DC

(+) (-)

N/O

ALARM

# 2

N/C

ALARM

# 2

HTR 7*
ACT 7*

(SHIELD-REMOTE ONLY)*

COM 8*

REF 9*

HTR 10*

* Connected at Factory,
unless the instrument is
a remote configuration.

PWR PWR

Caution

FLT93 Remote Wiring Diagram