Honeywell RA889A Bruksanvisning

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PRODUCT DATA

68-0216-2

® U.S. Registered Trademark

Copyright © 2000 Honeywell Inc. • All Rights Reserved

RA889A

Switching Relay

APPLICATION

The RA889A Switching Relay provides intermediate switching

of line- and low-voltage devices from a line- or low-voltage

controller and is typically applied in hydronic heating systems.

FEATURES

•High load switching capability.

•Troubleshooting LED.

•Push-to-test button.

•Replaceable transformer fuse.

•Long-life DC relay drive control technology.

•Relay for use with external 24 Vac or 24 Vdc supply,

with line-voltage control, or with internal 24V

transformer supply.

•One model replaces many Honeywell models. (See

Table 1 Replacement Cross Reference.)

Contents

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

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

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

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

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

Moutig.... .......... .... ......... .......... ......... .... .......... ..nn ............. 3

Wiring ...............................................................................4

Operation ..........................................................................4

Checkout ..........................................................................4

Trubehotig .... .... ..... .... ..... ..... .... ..... .... ..... ..... ..olson ........... 4

Produktspecifikationer