Honeywell RA889A- User Manual
Honeywell RA889A– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – ORDERING INFORMATION
- Page 3 – INSTALLATION; WARNING; MOUNTING
- Page 4 – WIRING; OPERATION; Test Button
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 ........................................................................
Features ...........................................................................
Specifications ...................................................................
Ordering Information ........................................................
Installation ........................................................................
Mounting ........................................................................... 3
Wiring ...............................................................................
Operation ..........................................................................
Checkout ..........................................................................
Troubleshooting ............................................................... 4
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Summary
RA889A SWITCHING RELAY 68-0216—2 2 ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further information, or ...
RA889A SWITCHING RELAY 3 68-0216—2 Cross Reference: The RA889A replaces many Honeywell models. See Table 1 for additional cross reference information. Thermostat Compatibility: All Honeywell electromechanical and most electromechanical 2- or 3-wire. Select thermostats with 0.12A heating anticipator ...
RA889A SWITCHING RELAY 68-0216—2 4 WIRING WARNING Electrical Shock Hazard.Can cause serious personal injury or death.Use only NEC Class 1 wire for all line voltage wiring connections. Class 1 wires must be rated for at least 167°F (75°C). All wiring must comply with all applicable electrical codes, ...
