Instruction/ maintenance manual of the product R7851 Honeywell
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PRODUCT DATA 65- 0109- 8 ® U.S. Registered T rademark Copyright © 2002 Honeywell • All Rights Reserved R7824, R7847, R7848, R7849,R7851,R7861, R7886 Amplifiers for 7800 SERIES Relay Modules APPLIC.
R7824 , R7847, R784 8, R7849 ,R7851,R7 861, R7886 AMPLIFIERS F OR 7800 SERIES RELAY MODULES 65-0109—8 2 ORDERING INFORMATION When purc hasing re placement a nd mod ernizatio n product s from your TRADEL INE® wholes aler or dis tributor , refer to the TRADELINE® Ca talog or price s heets for c omplete ordering nu mber .
R7824 , R7847, R78 48, R7849,R 7851,R786 1, R7886 AMPLIFIERS FO R 7800 SERI ES RELAY MODU LES 3 65-0109—8 T able 2. Flame De tection System s. a Flame F ailure Resp onse Time (FFRT) depen ds on sele ction of am plifier and 78 00 SER IES Relay Module .
R7824 , R7847, R784 8, R7849 ,R7851,R7 861, R7886 AMPLIFIERS F OR 7800 SERIES RELAY MODULES 65-0109—8 4 CAUTION Equipment Da mage Hazard . Incorrect co mbination of relay modu le, amplifie r and flame detector can cause equip ment damag e.
R7824 , R7847, R78 48, R7849,R 7851,R786 1, R7886 AMPLIFIERS FO R 7800 SERI ES RELAY MODU LES 5 65-0109—8 Fig. 3. Flam e detect or wiring. BLUE YELLOW WHITE WHITE WHITE WHITE BLACK BLACK F G 22 L2 L.
R7824 , R7847, R784 8, R7849 ,R7851,R7 861, R7886 AMPLIFIERS F OR 7800 SERIES RELAY MODULES 65-0109—8 6 3. Disconnect power supp ly before making wiring connections to prevent elec trical shock and equipment damage.
7 65-0109—8 T able 3. Flame signal. a This mi nimum or st ronger si gnal can b e easily ob tained if the detect or is correct ly instal led and positione d to prope rly sense the flame. O btain th is voltag e before c ompletin g check out. b The flam e amplif iers are Am pli-Check ® type.
65-0109—8 G.R. Rev . 01-02 www .honeywell.com Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. Automatio n and Control Sol utions Honeywell In ternational Honeywell Eu rope S.
An important point after buying a device Honeywell R7851 (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 R7851 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 R7851 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell R7851 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell R7851 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell R7851, 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 R7851.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell R7851. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell R7851 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
