Honeywell RM7824A- Manuals

Page 3 - CAUTION

7800 SERIES RM7824A RELAY MODULE 65-0155—1 3 Weight:RM7824A with Dust Cover: 1 pound, 12 ounces, unpacked. IMPORTANT Flame Detection System available for use withRM7824A. To select your Plug-in Flame SignalAmplifier and applicable Flame Detector, see Table 2and Fig. 3. CAUTION To prevent the control...

Page 6 - INSTALLATION; WARNING; Humidity

7800 SERIES RM7824A RELAY MODULE 65-0155—1 6 First-out Annunciation reports the cause of a safety shutdownor identifies the cause of a failure to start or continue theburner control sequence with an English text and numberedcode via the optional Keyboard Display Module. It monitors allfield input ci...

Page 7 - WIRING

7800 SERIES RM7824A RELAY MODULE 65-0155—1 7 WIRING 1. a. For the internal block diagram of the RM7824A,see Fig. 5. b. For proper subbase wiring, refer to Fig. 6. c. For proper remote wiring of the Keyboard DisplayModule; refer to the Specifications for theKeyboard Display Module (65-0090),Communica...

Page 9 - ASSEMBLY; Relay Module Mounting; Mounting Dust Cover

7800 SERIES RM7824A RELAY MODULE 65-0155—1 9 ASSEMBLY Mounting RM7824A NOTE: For installation dimensions, see Fig. 1 or 2. Relay Module Mounting 1. Mount the RM7824A vertically, see Figs. 7 or 8, or mount horizontally with the knife blade terminalspointing downward. When mounted on the Q7800A, theRM...

Page 10 - Installing Flame Detector; OPERATION; Sequence of Operation

7800 SERIES RM7824A RELAY MODULE 65-0155—1 10 Fig. 10. Flame signal amplifier mounting. Installing Flame Detector NOTE: Table 2 and Fig. 11 list the flame detectors availablefor use with the RM7824A. Make sure the correctcombination of amplifier and flame detector(s) is used. Proper flame detector i...

Page 12 - STATIC CHECKOUT; Equipment Recommended

7800 SERIES RM7824A RELAY MODULE 65-0155—1 12 Table 4. Site-Configurable Jumper Options. JumperNumber Description Intact Clipped JR1 Pilot Flame Establishing Period 10 seconds 4 seconds IMPORTANT After 200 hours of operation, the configurationjumper cannot be changed. If it is changed after200 hours...

Page 13 - CHECKOUT; Equipment Required

7800 SERIES RM7824A RELAY MODULE 65-0155—1 13 Table 5. Static Checkout (Continued). Test No. RM7824A Models Test Jumpers Voltmeter Normal Operation If Operation is Abnormal, Checkthe Item Listed Below 4 All 3-8 — 1. Ignition spark (if ignition transformer relay isconnected to terminal 8). 2. Automat...

Page 15 - Initial Lightoff Check for Proved Pilot.

7800 SERIES RM7824A RELAY MODULE 65-0155—1 15 6. Make sure that the detector is properly sighting the flame. 7. If necessary, resight or reposition the detector. Initial Lightoff Check for Proved Pilot. Perform this check on all installations that use a pilot. Itshould immediately follow the prelimi...

Page 18 - TROUBLESHOOTING; Diagnostic Information Index

7800 SERIES RM7824A RELAY MODULE 65-0155—1 18 IMPORTANT 1. If the RM7824A fails to shut down on any of these tests, take corrective action (refer toTroubleshooting, RM7824A diagnostics andreturn to the beginning of all Checkout tests). 2. When all Checkout tests have been completed, reset all switch...