Install Instructions

ManualsBrandsTaco ManualsFlow Switches1" High Current Brass Flow Switch NEMA1 w/ Rigid Paddles (Single Switch)

Listings/Approvals:

• UL Guide (NKPZ) for industrial control

equipment per UL Standard 508 Industrial

Control Equipment

• UL Guide (MFHX) for heating/cooling ap-

pliance switch per UL Standard 353 Limit

Controls

• CSA Class (321106) for industrial control

equipment per CSA Standard C22.2 No.

14-M Industrial Control Equipment

Maximum Service Pressure: 250 PSI

Enclosure:

NEMA Type 1 (For indoor use only)

Formed sheet metal with powdercoat finish.

Not for use in hazardous locations.

Contacts:

IFS01: One SPDT (Form C) switch

IFS02: Two sets of SPDT (Form C) switches

to provide versatility in wiring two separate

circuits.

15 Amps at 125/250VAC

.5 Amps at 125VDC

.25 Amps at 250VDC

Motor Ratings : 120VAC 240VAC

Horsepower : 1/8 1/4

AC F.L.A. : 3.8 2.9

AC L.R.A. : 22.8 17.4

Pilot Duty Rating : 125 VA 120/240 VAC

IFSH1/2 Contacts:

IFSH1: One SPDT (Form C) switch

IFSH2: Two sets of SPDT (Form C) switches

to provide versatility in wiring two separate

circuits.

22 Amps at 125/250VAC

Motor Ratings : 120VAC 240VAC

Horsepower : 1/2 1

AC F.L.A. : 9.8 8.0

AC L.R.A. : 58.8 48.0

Pilot Duty Rating : 125 VA 120/240 VAC

Ambient Temperature Range:

32°F/176°F (0°C/80°C)

Media Temperature Range:

32°F/250°F (0°C/121°C)

Pipe Connections:

1" NPT Brass on models IFSxxB

1" NPT 316 Stainless Steel on models

IFSxxS

Conduit Entrance: Two openings for 1/2" conduit

Usage: For pipe sizes 1" - 8"

Caution: This device is not intended for applica-

tions in explosive environments.

Note: IFSW Series available with NEMA 4 enclo-

sure for outdoor use. (See bulletins

#102-026 & #102-027 or Catalog 100-8.2).

GENERAL

The Model IFS is a flow switch used in liquid

flow lines carrying water or any fluid not harmful

to brass, stainless steel, EPDM or fluorosilicone,

and not classified as a hazardous fluid.

This switch can serve as a way to start and stop

electrically operated equipment when a flow or no

flow condition occurs in a variety of applications.

This device is designed for use only as an operat-

ing control. Where an operating control failure

would result in personal injury and/or loss of prop-

erty, it is the responsibility of the installer to add

devices (safety, limit controls) that protect against,

or systems (alarm, supervisory systems) that warn

of control failure.

Instruction Sheet

Industrial Flow Switch

SUPERCEDES: 102-122 DATED January 1, 2002

# 5401110-REV E

EFFECTIVE: March 17, 2004

102-022

(IFS01 &

IFS02 ONLY)

Summary of content (4 pages)

PAGE 1
Instruction Sheet Industrial Flow Switch SUPERCEDES: 102-122 DATED January 1, 2002 102-022 EFFECTIVE: March 17, 2004 # 5401110-REV E (IFS01 & IFS02 ONLY) GENERAL The Model IFS is a flow switch used in liquid flow lines carrying water or any fluid not harmful to brass, stainless steel, EPDM or fluorosilicone, and not classified as a hazardous fluid. This switch can serve as a way to start and stop electrically operated equipment when a flow or no flow condition occurs in a variety of applications.
PAGE 2
MOUNTING AND INSTALLATION The Model IFS may be mounted in a horizontal pipe line or a vertical pipe line with upward liquid flow. It is not recommended for installations where flow is downward. When mounted in a horizontal pipe line the switch will trip at a lower flow rate than shown in Fig. 7. FIG. 1 Mount the device in a section of pipe where there is a straight run of at least 5 pipe diameters on each side of the flow switch. Do not locate adjacent to valves, elbows or orifices.
PAGE 3
FIG. 3 FIG. 5 Typical paddle arrangement for 6" to 8" pipe, using smaller flexible paddles for added support and higher sensitivity. Use the drawing at right as a template and trim at the dotted arc when trimming the appropriate paddle for intermediate pipe sizes. CAUTION: The paddle must not touch the inside of the pipe or bind in any way. NOTE: When installing rigid paddles, do not stack paddles. Only install ONE paddle that best fits the pipe. FIG.
PAGE 4
WIRING Use properly rated temperature supply wire for the anticipated service temperature. Make all electrical connections in accordance with the National Electrical Code and local regulations. See Figs. 6A and 6B for diagrams illustrating switch action. ADJUSTMENT Remove switch cover and turn the sensitivity adjusting screw clockwise to increase the flow rate required to actuate the switch. Turn the sensitivity adjusting screw counter-clockwise to decrease the flow rate required to actuate the switch.