Honeywell RM7824A- Manual
Honeywell RM7824A– Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 3 – CAUTION
- Page 6 – INSTALLATION; WARNING; Humidity
- Page 7 – WIRING
- Page 9 – ASSEMBLY; Relay Module Mounting; Mounting Dust Cover
- Page 10 – Installing Flame Detector; OPERATION; Sequence of Operation
- Page 12 – STATIC CHECKOUT; Equipment Recommended
- Page 13 – CHECKOUT; Equipment Required
- Page 15 – Initial Lightoff Check for Proved Pilot.
- Page 18 – TROUBLESHOOTING; Diagnostic Information Index
PRODUCT DATA
Copyright © 1995 Honeywell Inc. • All Rights Reserved
7800 SERIES
RM7824A Relay Module
•
First-out annunciation and system diagnostics are provided
by a 2-row by 20-column Vacuum Fluorescent Display
(VFD) located on the optional Keyboard Display Module.
•
Five light emitting diodes (LEDs) for sequence
information.
•
Flame signal strength.
•
Local or remote annunciation of RM7824A operation and
fault information (optional).
•
Nonvolatile memory; RM7824A retains history files and
sequencing status after loss of power.
•
Plug-in flame amplifier.
•
Remote reset (optional).
•
Report generation (optional).
•
Shutter drive output.
•
Burner controller data (optional):
—
Hold status.
—
Lockout/alarm status.
—
Sequence status.
—
Sequence time.
—
Total cycles of operation.
—
Total hours of operation.
—
Fault history providing the six most recent faults:
– Cycles of operation at the time of the fault.
– Fault message and code.
– Hours of operation at the time of the fault.
– Sequence status at the time of the fault.
– Sequence time at the time of the fault.
—
Diagnostic information:
– Device type.
– Flame amplifier type.
– Flame failure response time.
– Manufacturing code.
– On/Off status of all digital inputs and outputs.
– Software revision and version of RM7824A and
optional Keyboard Display Module.
– Status of configuration jumper.
Contents
General ...............................................................................
1
Features .............................................................................. 1
Specifications ......................................................................
2
Ordering Information ...........................................................
2
Principal Technical Features ...............................................
5
Safety Provisions ................................................................
5
Installation ........................................................................... 6
Wiring .................................................................................. 7
Assembly .............................................................................
9
Operation ............................................................................ 10
Static Checkout ................................................................... 12
Checkout ............................................................................. 13
Troubleshooting ................................................................... 18
65-0155-1
GENERAL
The Honeywell RM7824A Relay Module is a 24 Vdc
microprocessor-based integrated burner control for
automatically fired gas, oil or combination fuel single burner
applications. The RM7824A consists of the Relay Module,
Subbase and Amplifier are required to complete the system.
Options include Keyboard Display Module, Personal Computer
Interface, DATA CONTROL BUS MODULE
™
, Remote Display
Module and COMBUSTION SYSTEM MANAGER
™
Software.
The RM7824A is programmed to provide a level of safety,
functional capability and features beyond the capacity of
conventional controls.
Functions provided by the RM7824A include automatic burner
sequencing, flame supervision, system status indication,
system or self-diagnostics and troubleshooting.
FEATURES
•
Safety features:
—
Closed loop logic test.
—
Dynamic input check.
—
Dynamic safety relay check.
—
Dynamic self-check logic.
—
Expanded safe-start check.
—
Internal hardware status monitoring.
—
Tamper resistant timing and logic.
•
Access for external electrical voltage checks.
•
Application flexibility.
•
Communications interface capability.
•
Dependable, long-term operation provided by
microcomputer technology.
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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...
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...
