Honeywell RA889A manual

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Table of contents for the manual

  • Page 1

    PRODUCT DATA 68- 0216- 2 ® U.S. Registered T rademark Copyright © 2000 Honeywell Inc. • All Rights Reserved RA889A Switching Relay APPLICATION The RA889 A Switching Rel ay provid es intermedi ate switchi ng of line- a nd low-v oltage de vice s from a l ine- or low-v oltage controll er and i s typica lly appl ied in hy dronic he ating sy stems. [...]

  • Page 2

    RA889A SWITCHING RELAY 68-0216—2 2 ORDERING INFORMATION When purc hasing re placement a nd modern ization p roducts fr om your TRADELIN E® wholes aler or dis tributor , refer to the TRADELINE® Ca talog or price sheets for c o mplete orderin g number . If you hav e additi onal ques tions, ne ed further i nformation , or woul d like to commen t o[...]

  • Page 3

    RA889A SWITCHING RELAY 3 68-0216 — 2 Cross Reference: The R A889A repl aces many Hone ywell models . See T able 1 for additional cros s referenc e info rmat ion. Thermo stat Compa t ibil ity: All Ho neywell electrom echanic al and mos t electro mechani cal 2- or 3 -wire. Sele ct thermo stats with 0.12A heating anticip ator setti ng to match t he [...]

  • Page 4

    RA889A SWITCHING RELAY 68-0216 — 24 WIRING WARNING Electrical Sh ock Hazard. Can cause serious perso nal injury or de ath. Use only NEC Class 1 wire for all line vol tage wiring connec tions. Cla s s 1 wi res must be rated fo r at least 167 ° F (75 ° C). All wi ring must comply with all appli cable el ectrical codes, ordin anc es, and regu lati[...]

  • Page 5

    RA889A SWITCHING RELAY 5 68-0216 — 2 Fig. 3. RA889A hookup for L7148A/L814 8A in an oil-fired, tankle ss hot water , zoned, pump s ystem. Fig. 4. RA889A h ookup for L714 8F/L8148E in a g as-fired, 24V , zoned, pump system . GL 2 L 1 T T C1 C2 B2 B1 F F T T L1 (HOT) L2 PUMP PUMP PUMP T87F T87F T87F RA889A RELAY RA889A RA889A C554 R8184G BURNER AND[...]

  • Page 6

    RA889A SWITCHING RELAY 68-0216 — 26 Fig. 5. R888 8 zone expansion using RA889A Switch ing Relays. Fig. 6. RA88 9A thermostat c onnections. C2 C1 H1 H2 L2 L1 L1 ZC R W R C A B C R W R W R W C2 C1 C2 C1 C2 C1 ZONE 1 ZONE 2 ZONE 3 ZONE 4 CIRCULATOR PUMP 1 CIRCULATOR PUMP 2 CIRCULATOR PUMP 3 CIRCULATOR PUMP 4 CIRCULATOR PUMP 5 ZONE 1 THERMOSTAT ZONE [...]

  • Page 7

    RA889A SWITCHING RELAY 7 68-0216 — 2 Fig. 7. RA889A con trol options . L1 L2 COM R(T) N.C. N.O. C W(T) RA889A M13317A A. FOR 24V THERMOSTAT CONTROL R C W THERMOSTAT B. FOR LINE VOLTAGE CONTROL C. FOR EXTERNAL SEPARATE LOW VOLTAGE POWER SOURCE OPTIONAL L1, (HOT) NEUTRAL LINE VOLTAGE CONTROLLED OUTPUTS X2 X1 LOW VOLTAGE CONTROLLED OUTPUT L1 L2 COM [...]

  • Page 8

    68-0216 — 2 G. R. Rev . 5-00 www .honeywell.com Home a nd Building Control Home a nd Building Control Honeyw ell Asia Pa cific Inc. Honeywe l l Inc. Honeywel l L imited- Honeywel l Limit ée Room 32 13-322 5 Honeywe l l Plaza 155 Gord on Baker Roa d S un Hung Ka i Centre P.O. Box 5 24 North Yor k, Ontario No. 30 Har bo ur Road Minneap olis, MN 55[...]