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Honeywell RM7838A Wiring Diagrams

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Conversion Wiring Diagrams
for RM7838A
The diagrams and instructions contained in this booklet are for converting the following model
semi-automatic controls to RM7838 microprocessor based integrated burner control.
TABLE OF CONTENTS
Product Section Matrix ..................................................................................................................................................... 3
Section I .............................................................................................................................................................................. 5
R4138A,B,C,D
Section II ............................................................................................................................................................................ 6
Honeywell W124
Section III ........................................................................................................................................................................... 8
Fireye 26SJ5 6000, 6052, 6152
WARNING
Improper configuration jumper selection could cause a fire or explosion hazard that could lead to property
damage, severe injury or death.
CAUTION
1. Installer must be a trained, experienced, flame safeguard control service technician.
2. Disconnect power supply before beginning installation to prevent electrical shock and equipment damage. More
than one power supply disconnect may be involved.
3. All wiring must comply with applicable local electrical codes, ordinances, and regulations.
4. All line voltage terminal wiring shall be no. 14, 16 or 18 copper conductor TTW (60C) or THW (75C) or THHN
(90C) 600 volt insulation wire. A maximum of two conductors can be wired to each Q7800 Subbase terminal.
5. Voltage and frequency of the power supply and flame detector(s) connected to this control must agree with those
marked on the device.
6. Loads connected to the control terminals must not exceed ratings listed in the Specification, form 65-0108, or on
the RM7838A label.
7. All external timers must be listed or component recognized by authorities having jurisdiction for the specific purpose
for which they are used.
8. Perform all required checkout tests after installation is complete.
B. M. • 7-92 • © Honeywell Inc. 1992 • Form Number 65-0129
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  Summary of Contents for Honeywell RM7838A

  • Page 1 7. All external timers must be listed or component recognized by authorities having jurisdiction for the specific purpose for which they are used. 8. Perform all required checkout tests after installation is complete. B. M. • 7-92 • © Honeywell Inc. 1992 • Form Number 65-0129...
  • Page 2 Establishing Period Device Initiate Standby Purge (PFEP) RM7838A 10 sec. 4 or 10 sec. * STANDBY and RUN can be an infinite time period. ** PURGE will be determined by which ST7800A Purge Card is selected. Communication Interface Base Unit APPROVAL BODIES: —part no.
  • Page 3 PRODUCT SELECTION MATRIX SEMI-AUTOMATIC ON - OFF BURNER CONTROL SELECT A RELAY RM7838A1006 WITH DISPLAY 50 HZ MODULE RM7838A1014 WITH DISPLAY 60 HZ Q7800A1005 PANEL MOUNT OR SELECT A Q7800B1003 BURNER/WALL SUBBASE MOUNT ST7800A1005 2 SEC. SELECT A ST7800A1013 7 SEC. PURGE CARD ST7800A1021 10 SEC.
  • Page 4 Select proper flame amplifier according to the 8. Install the RM7838A control. Make sure the proper cross reference table or to meet the needs of the ST7800 purge card and flame detector have been se- application.
  • Page 5 7800 SERIES CONVERSION WIRING DIAGRAM FROM RM7838A R4138A, B, C, D (DEVICE TO BE MODERNIZED) (O.S. NUMBER OF RELAY MODULE TO BE USED) Q7800 (L1) 7, 17 IF THE R4138 HAS AN ALARM SILENCING RELAY, CONNECT THE R4138 SUBBASE TERMINAL 15 TO Q7800 TERMINAL 3.
  • Page 6 7800 SERIES CONVERSION WIRING DIAGRAM W124 RM7838A FROM___________________ TO ________________________ (DEVICE TO BE MODERNIZED) (O.S. NUMBER OF RELAY MODULE TO BE USED) Q7800 (L1) M2669 GENERAL FOOTNOTES, SEE PAGE 4. (Specific Instructions on page 7)
  • Page 7 Specific instructions and footnotes for converting from SPECIFIC FOOTNOTES: the Honeywell W124 Protectoglo Flame Safeguard to the RM7838A. The footnotes will be designated with a letter in Install the High Fire Purge switch between Q7800 a triangle (i.e., ) for specific footnotes or a number in a Subbase terminals 7 and 19.
  • Page 8 7800 SERIES CONVERSION WIRING DIAGRAM FROM FIREYE 26SJ5 6000, 6052,6152 RM7838A (DEVICE TO BE MODERNIZED) (O.S. NUMBER OF RELAY MODULE TO BE USED) Q7800 (L1) GENERAL FOOTNOTES, SEE PAGE 4. M3306 (Specific Instructions on page 9)
  • Page 9 Specific instructions and footnotes for converting from SPECIFIC FOOTNOTES: the Fireye 26SJ56000, 6052, 6152 to the RM7838A. The footnotes will be designated with a letter in a triangle If the neutral wire is on terminal 1 of the 26SJ5 (i.e., ) for specific footnotes or a number in a triangle control, then the system is 208 Vac or 240 Vac.
  • Page 12 Home and Building Control Home and Building Control Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, Minnesota 55422 Scarborough, Ontario M1P 2V9 Printed in U.S.A.