Instruction/ maintenance manual of the product M Honeywell
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INSTALLATION INSTRUCTIONS 66-1153-03 R7140G,L,M Burner Contr ol Modules APPLICATION The Honeywell R7140G,L,M Bur ner Control Modules are microprocessor-based integrat ed burner controls fo r automatically fired gas , oil or combination fuel single burner applications.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 2 Fig. 1. Burner Contr ol Module and sequ ence status LE Ds. SPECIFICATIONS Electrical Ratings (See T able 1): V oltage and F reque ncy: 120 V ac (+10%/-15%), 50 or 60 Hz (±10%). P ower Dissipation in the Run Mode: 10W maximum.
R7140G,L,M BUR NER CONTROL MODULES 3 66-1153—03 T able 1. Flame Detection Systems. a Flame F ailure Response Time (FFR T) depends on selection of amplifier and 7800 SERIES and R7140 Relay Module. b R7824C is used only with the 24 Vdc RM7824 Relay Module and C7024E,F Flame Detectors.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 4 Abov e times cov er the Purg e timings of the R4140/50 Pro- grammers and PM720. Other timings exist—consult the T radeline catalog f or com- plete list of ST7800 Purge timers.
R7140G,L,M BUR NER CONTROL MODULES 5 66-1153—03 a The R7140 m ust ha v e an ear th ground pro viding a con nection between the subbase and t he control panel or the equip ment. The eart h ground wi re must b e capab le of conduc ting the c urrent to b lo w the 15A f ast blow fuse (or break er) in t he e v ent of an internal s hort circuit.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 6 a 30 seconds with JR2 clipped and ju mper from terminal 8 to terminal 15. * ST ANDBY an d R UN can be an inf inite time period. ** PURGE will be determined by whic h ST7800A purge card is selected; 15 timings are a v ailab le from 2 seconds to 30 min utes.
R7140G,L,M BUR NER CONTROL MODULES 7 66-1153—03 Location Humidity Install the relay module where the relative humidity ne ver reaches the saturation point. The relay module is designed to operate in a maximum 85 percent relativ e humidity continuous, noncondensing moisture environment.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 8 * Check terminal 8 and 15. If jumpered, ST7800A1031 (7 second purge). If not jumpered, ST7800A 1039 (30 second purge). Mounting R7140 Rela y Module Installing the Pr og rammer (Fig. 3) WARNING Electrical Shock Hazar d.
R7140G,L,M BUR NER CONTROL MODULES 9 66-1153—03 Fig. 4. Operating sequ ence , R7140G1000/R7140G2008. R7140G POWER OPERA TING CONTROLS AND INTERLOCKS BURNER FLAME SIGNAL FIRING RA TE MOTOR INITIA TE (INITIAL POWERUP ONL Y) POWER ST ANDBY PREPURGE HOLD DRIVE TO LOW FIRE POWER PILOT FLAME MAIN POWER PFEP 10 SEC.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 10 Fig. 5. Internal bloc k diag ram of the R7140G1000. (See Fig. 8 for detailed wiring.) CONFIGURA TION JUMPERS MICROCOMPUTER RESET PUSHBUTTON RUN/TEST.
R7140G,L,M BUR NER CONTROL MODULES 11 66-1153—03 Fig. 6. Internal bloc k diagram of the R7 140G2008. (See Fig. 7 for detailed wiring.) CONFIGURA TION JUMPERS MICROCOMPUTER RUN/TEST SWITCH PLUG-IN PU.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 12 Fig. 7. Wiri ng diagram f or R7140G20 08 for application replacing R4140G with star t Interlock or BC7000L1000 with PM720G.
R7140G,L,M BUR NER CONTROL MODULES 13 66-1153—03 Fig. 8. Field wiring for R7140G100 0 used for replacing R4140G Progra mmers with pre-ignition interlocks.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 14 Fig. 9. Operating sequen ce , R7140L1009 and R7140L2007. R7140L POWER 00 OPERA TING CONTROLS AND INTERLOCKS BURNER FLAME SIGNAL FIRING RA TE MOTOR I.
R7140G,L,M BUR NER CONTROL MODULES 15 66-1153—03 Fig. 10. Internal bloc k diagram of the R7140L1009. (See Fig. 12 for detailed wiring.) CONFIGURA TION JUMPERS MICROCOMPUTER RESET PUSHBUTTON RUN/TEST.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 16 Fig. 11. Internal b loc k diagram o f the R7140L2007. ( See Fig. 13 f or detailed wiring.) CONFIGURA TION JUMPERS MICROCOMPUTER RESET PUSHBUTTON RUN.
R7140G,L,M BUR NER CONTROL MODULES 17 66-1153—03 Fig. 12. Sample block diagram of fiel d wiring for the R7140L1009, used for replacing R41 40L Programmers with pre-ignition interlocks.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 18 Fig. 13. Bloc k dia gram of field wiring for the R7140L2007, used f or replacing BC7000L1000 with PM720L.
R7140G,L,M BUR NER CONTROL MODULES 19 66-1153—03 Fig. 14. Operating sequence, R 7140M. R7140M POWER OPERA TING CONTROLS AND INTERLOCKS BURNER FLAME SIGNAL DAMPER MOTO R INITIA TE (INITIAL POWER UP ONL Y) POWER ST ANDBY PREPURGE HOLD DRIVE TO LOW FIRE POWER PILOT FLAME MAIN POWER PFEP 10 SEC.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 20 Fig. 15. Internal bloc k diagram of the R7140M1007 wi th start interlocks. (See Fig. 17 fo r detailed wiring.) Fig. 16. Internal block dia gram of the R7140M1007 with pre-ignition interloc ks. (See Fig.
R7140G,L,M BUR NER CONTROL MODULES 21 66-1153—03 Fig. 17. R7140M1007 used on applic at ions replacing R4140M Prog rammers with Start Interlocks or BC7000 with PM720M.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 22 Fig. 18. Block diagram of field wiring for the R7140M1007, used for replacing R4140M Pr ogrammers with Pre-Ignition Interlocks.
R7140G,L,M BUR NER CONTROL MODULES 23 66-1153—03 SAFETY SHUTDO WN Safety Shutdo wn (Loc k out) occur s if any of the f ollowing occur during the indicated period: 1. INITIA TE P eriod: a. Purge card is not installed or is remov ed. b . Purge card is bad .
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 24 Normal Star t-Up Pre-Purge The R7140 provides a pre-purge timing selectable from two seconds to 30 minutes with pow er applied and the R7140 operating control indicating a call for heat: a.
R7140G,L,M BUR NER CONTROL MODULES 25 66-1153—03 1. In Pre-Purge Drive T o High Fire P osition (R7140L), th e Run/T est Switch, when placed in the TEST position, holds in PREPURGE with the firing rate motor in the High Fire position.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 26 STATIC CHEC K OUT After checking all wiring, perform this checkout bef ore installing the R7140 on the subbase.
R7140G,L,M BUR NER CONTROL MODULES 27 66-1153—03 6 All L1-5 — 1. Ignition spar k (if ignition transf ormer is connected to terminal 5). 2. A utomatic pilot valv e ope ns (if connected to terminal 5). NO TE: Refer to wiring dia- gram of system being tested.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 28 SYSTEM CHEC K OUT IMPORT ANT P erform all Static Checkout Procedures f or the applicable rela y module shown in T able 8 bef ore star ting these procedures. WARNING Explosion Hazar d. Can cause serious injur y or death.
R7140G,L,M BUR NER CONTROL MODULES 29 66-1153—03 7. P ower is connected to the system disconnect switch (master s witch). 8. Lock out is reset (reset button) only if the Rela y Modul e is powered. 9. Run/T est Switch (if present) is in RUN position.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 30 20. Run the burner through another se quence, observing the flame signa l f or: a. Pilot flame alone. b . Pilot and main flame together . c. Main flame alone (unless monitorin g an intermittent pilot).
R7140G,L,M BUR NER CONTROL MODULES 31 66-1153—03 6. After the PILO T LED turns on in inte rrupted pilot applications, set the Run/T est Switch to the TEST position to stop the sequence.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 32 If hot refractor y saturation occurs, the condition must be corrected. Add an or if ice plate in fr ont of the cell to restrict the viewing area, lengthen the sight pipe or decrease the pipe size (diameter).
R7140G,L,M BUR NER CONTROL MODULES 33 66-1153—03 8. If the response time is still too slow , replace the Plug-in Flame Signal A mplif ier . 9. If the detector is relocated or resighted, or the amplif ier is replaced, repeat all required Check out tests.
R7140G,L,M BUR NER CONTROL MODULES 66-1153—0 3 34.
R7140G,L,M BUR NER CONTROL MODULES 35 66-1153—03.
R7140G,L,M BUR NER CONTROL MODULES Automation and Co ntrol Solutions Honeywell Internationa l Inc. 1985 Douglas Drive North Golden Valley, MN 55422 customer.honeywell.com ® U .S. R egistered T rademark © 2013 Hone ywell International Inc. 66-1153—03 M.
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