Instruction/ maintenance manual of the product RA89A Honeywell
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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.
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.
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.
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.
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.
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.
An important point after buying a device Honeywell RA89A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell RA89A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell RA89A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell RA89A you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell RA89A will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell RA89A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell RA89A.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell RA89A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell RA89A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
