Honeywell Switch L404T Bedienungsanleitung PDF herunterladen

PRODUCT DATA

® U.S. Registered Trademark

71-2429—2

L404F,T,V

PressureTrol

Controllers

APPLICATION

L404F PressureTrol

Controllers provide operating control

with automatic limit protection for pressure systems of up to

2070 kPa, or 300 psi.

L404T,V PressureTrol® Controllers are for use on oil burner

systems for pressures up to 1035 kPa or 150 psi.

FEATURES

• Models available in a series of control ranges, and

pressure scales in kPa and psi.

• All models automatically reset and have an adjustable

differential.

• Models have snap switch to open or close a circuit on

a pressure rise.

• Case has a clear plastic cover so setpoints can be

observed.

• 1/4 inch—18 NPT connection for pipe on diaphragm

assembly.

• Ground screw terminal.

L404F:

• Controllers may be used with steam, air, or

noncombustible gases, or fluids noncorrosive to the

pressure sensing element.

L404T:

• High pressure limits, break a circuit on oil pressure

rise above setpoint.

L404V:

• Low pressure limits, makes a circuit on oil pressure

rise above setpoint.

Contents

Application ........................................................................ 1

Features ........................................................................... 1

Specifications ................................................................... 2

Ordering Information ........................................................ 2

Installation ........................................................................ 3

Settings and Adjustments ................................................. 6

Checkout .......................................................................... 7

1 2 3 4 5 6 7 8

Inhaltsverzeichnis

Seite 1 - Controllers

Seite 2 - SPECIFICATIONS

L404F,T,V PRESSURETROL® CONTROLLERS71-2429—2 2ORDERING INFORMATIONWhen purchasing replacement and modernization products from your TRADELINE® wholesal

Seite 3 - INSTALLATION

L404F,T,V PRESSURETROL® CONTROLLERS3 71-2429—2Table 2. Conversion Table.Table 3. Switch Ratings (Amperes).Pressure Sensing Element: Stainless steel di

Seite 4 - Location and Mounting (L404F)

L404F,T,V PRESSURETROL® CONTROLLERS71-2429—2 4IMPORTANTWhen making pipe connections, use pipe dope sparingly to seal the joints; any excess dope may c

Seite 5 - Using with Preheated Oil

L404F,T,V PRESSURETROL® CONTROLLERS5 71-2429—2Fig. 4. Mounting an oil pressure controller directly on the main pipe.Using with Preheated OilWhen used

Seite 6 - SETTINGS AND ADJUSTMENTS

L404F,T,V PRESSURETROL® CONTROLLERS71-2429—2 6Fig. 8. L404T,V terminal blocks and internal schematics.Fig. 9. Hookup of an oil pressure controller use

Seite 7 - CHECKOUT

L404F,T,V PRESSURETROL® CONTROLLERS7 71-2429—2CHECKOUTAfter the controller has been installed, wired and adjusted, it should be tested with the system

Seite 8

71-2429—2 G.R. Rev. 09-04 www.honeywell.comAutomation and Control SolutionsHoneywell International Inc. Honeywell Limited-Honeywell Limitée1985 Do