Honeywell RA89A manual

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Table of contents for the manual

  • Page 1

    1 60-2481—2 J.H. • Rev. 10-94 • ©Honeywell Inc. 1994 • Form Number 60-2481—2 R182J, R482J, R845A, R847A, R882J, RA89A, RA832A Switching Relays These relays provide intermediate or heavy duty service in a wide variety of switching con- figurations. ■ Relays with 24V control coils: Rl82J, R882J, R847A, RA89A, RA832A, and R845A. ■ Relay[...]

  • Page 2

    60-2481—2 2 R182J, R482J, R845A, R847A, R882J, RA89A, RA832A SPECIFICATIONS • ORDERING INFORMATION Specifications IMPORTANT: The specifications given in this publica- tion do not include normal manufacturing toler- ances. Therefore, this unit may not exactly match the listed specifications Also, this product is tested and calibrated under close[...]

  • Page 3

    3 60-2481—2 R182J, R482J, R845A, R847A, R882J, RA89A, RA832A SPECIFICATIONS • INSTALLATION a IMPORTANT: The transformer on the R182 can over- heat when used with a series 20 thermostat if the total resistance of the thermostat (including thermo- stat wire and thermostat contact resistance) exceeds 2.5 ohms, add a 100 ohm, 10 watt resistor betwe[...]

  • Page 4

    60-2481—2 4 R182J, R482J, R845A, R847A, R882J, RA89A, RA832A INSTALLATION MOUNTING For replacement, mount the relay in the same location as the old control. If this is a new installation, locate the relay vertically on a solid wall or partition as near as possible to the device to be controlled. Select a location that is easily accessible for ins[...]

  • Page 5

    5 60-2481—2 R182J, R482J, R845A, R847A, R882J, RA89A, RA832A INSTALLATION Fig. 5—Thermostat connections for R182J. Fig. 7—Schematic diagram showing R845A in multizone, forced hydronic heating system. This arrangement is suitable for any number of additional zones. Fig. 8—R845A hookup for controlling two loads. L1 HOT L2 2 1 3 4 1 1 RA845A R[...]

  • Page 6

    60-2481—2 6 R182J, R482J, R845A, R847A, R882J, RA89A, RA832A INSTALLATION • SERVICE AND CHECKOUT Fig. 9—Internal schematic and hookup for R847A. Fig. 11—Internal view of RA832A Switching Relay. M3824 24V TRANSFORMER RELAY 1 2 34 T T X X L1 (HOT) L2 TT L2 L1 3 4 1 1 TO POWER LOW VOLTAGE (CLASS 2) 2-WIRE THERMOSTAT R847A POWER SUPPLY. PROVIDE[...]