RM7800L1087, RM7840G1022, RM7840L1075, EC7840L1014 …

1 INSTALLATION INSTRUCTIONS32-00142-01 SIL3 CapableRM7800L1087, RM7840G1022, RM7840L1075, EC7840L1014RM7800L2087, RM7840G2022, RM7840GL2075, EC7840L2014 Relay Modules with Valve ProvingAPPLICATIONThe Honeywell RM7800L/40G,L and EC7840L Relay Modules are microprocessor-based integrated burner controls for automatically fired gas, oil, or combination fuel single burner applications. The RM7800L/40G,L and EC7840L Relay Modules are used for UL/CSA Modulating and FM/IRI Modulating burner applications. The RM7800L/40G,L, EC7840L system consists of a Relay Module. Keyboard Display Modules (standard with RM7800), Dust Cover (standard with RM7840/EC7840L), Subbase, Amplifier, and Purge Card.

2 Options include DATA CONTROLBUS MODULE , Remote Display Mounting, First-Out Expanded Annunciator and Modbus communications provided by the RM7800L/40G,L, EC7840L include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and the S7800A2142 Keyboard Display (standard on RM7800L2087) the following features can be set up: Post Purge time Up to 60 minutes Device shipped with 15 seconds Post purge. Valve Proving features including: VPS test time When (Never, Before, After, Split or Both) See S7800A1142 Instructions (65-0288), also see S7800A2142 Instructions.

3 Series 5 can be programmed for Modbus commissioning time, the Valve Proving System may be scheduled to occur at one of five different times: Never Device default as received Valve proving does not occur. Before Valve proving before run concurrent with Pre-Purge. After Valve proving occurs after the Run state, before the device goes to Standby (Concurrent with Post-Purge, if selected.) Both Valve proving occurs at both times Before and After, noted above. Split The main valve 2 (MV2) (high pressure) seat test is performed at the Before time and the main valve 1 (MV1) (low pressure) seat test is performed during the After following assumptions apply when using the RM7840G,L, RM7800L, EC7840L:Fig.

4 1. The valve proving Wired to terminal 9. It is located in the most upstream position of the main gas valve Valve Proving Switch: Setpoint at 1/2 of Main Valve inlet Wired to terminal 21. It is the main valve located closest to the PII Pre-Ignition Interlock (or Proof of Closure Switch) for terminal 20 can be installed on MV1, MV2, or as a series connection through both B lists many wiring options for single and dual fuel along with the Valve Proving CAUTION: VALVE ENERGIZING TIMING IS BASED ON HONEYWELL VALVE OPENING TIMES OF 13 SECONDS MAXIMUM. FOR VALVES WITH TIMINGS GREATER THAN 13 SECONDS OR THOSE THAT DO NOT OPEN THE ACTIVE VALVE WITHIN THE ENERGIZED TIME, A BYPASS SSOV RATED SOLENOID VALVE (1/4 , 120 VAC) IS REQUIRED TO OBTAIN THE PROPER TEST PRESSURES.

5 THE BYPASS VALVE WILL BE WIRED IN PARALLEL TO THE VALVE IT IS BYPASSING (TERMINAL 9 FOR MV1 OR TERMINAL 21 FOR MV2).1 RELAY MODULES WITH VALVE PROVING32-00142 012 SPECIFICATIONSE lectrical Ratings, see Table 3:Voltage and Frequency: RM78xx 120 Vac (+10/-15%), 50 or 60 Hz ( 10%).EC78xx 220 240 Vac (+10/-15%), 50 or 60 Hz ( 10%).Power Dissipation: RM7800/RM7840/EC7840L: 10W maximum in the Run Total Connected Load: 2000 : 15A maximum, Type SC or equivalent Fast Ratings:Ambient Temperature:Operating: -40 F to +140 F (-40 C to +60 C).Storage: -40 F to +150 F (-40 C to +66 C).Humidity: 85% relative humidity continuous, : 3 Capable:RM7800/RM7840E, G, L, M are SIL 3 Capable in a prop-erly designed Safety Instrumented system.

6 See for Certificate : RM7800L/40G,L:Underwriters Laboratories Inc. Listed: File No. MP268, Guide No. Mutual Approved: Report No. Re (formerly IRI): Communications Commission, Part 15, Class B : EC7840L:Factory Mutual Approved: Report No. is still not Re (formerly IRI): Communications Commission, Part 15, Class B document provides installation and static checkout instructions. Other applicable publications are:INSTALLATIONWhen Installing this these instructions carefully. Failure to follow them could damage the product or cause a hazardous the ratings given in the instructions and marked on the product to make sure the product is suitable for the must be a trained, experienced, flame safeguard service installation is complete, check out the product operation as provided in these or Explosion Hazard.

7 Can cause property damage, severe injury, or prevent possible hazardous burner operation, verify safety requirements each time a control is installed on a Shock cause serious injury or the power supply before beginning installation. More than one power supply disconnect may be ,B 22-Terminal Wiring Subbase Product Data65-0288S7800A1142 Keyboard Display Module Product Data65-0091S7810A Data ControlBus Module Product Data65-0095S7820 Remote Reset Module Product Data65-0097221729C Dust Cover Installation Instructions65-0101S7830 Expanded Annunciator Product Data65-0109R7824, r7847 , r7848 , r7849 , R7851, R7852, r7861 .

8 R7886 Flame Amplifiers for the 7800 SERIES Product Data65-0131221818A Extension Cable Assembly Product Data65-02297800 SERIES Relay Modules Checkout and Troubleshooting Product Data65-0249S7810M ModBus ModuleRELAY MODULES WITH VALVE PROVING332-00142 01 IMPORTANT1. Wiring connections for the relay modules are unique; therefore, refer to Figs. 3, 4, 6, 7, or Appendix B for proper subbase Wiring must comply with all applicable codes, ordinances and Wiring must comply with NEC Class 1 (Line Volt-age) Loads connected to the RM7800L/40G,L, EC7840L must not exceed those listed on the RM7800L/40G,L, EC7840L label or the Specifica-tions, see Table Limits and interlocks must be rated to simultane-ously carry and break current to the ignition trans-former, pilot valve, and main fuel valve(s).

9 6. All external timers must be listed or component recognized by authorities who have jurisdiction for the specific purpose for which they are For on-off gas-fired systems, some authorities who have jurisdiction prohibit the wiring of any limit or operating contacts in series between the flame safeguard control and the main fuel valve(s).8. Two Flame Detectors can be connected in parallel with the exception of Infrared Flame Detectors (C7015, C7915), Ultraviolet (C7927, C7961), or Visi-ble (C7962).9. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause interference to radio communications.

10 It has been tested and found to comply with the limits for a Class B computing device of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when operated in a commercial environment. Operation of this equipment in a residential area may cause interference; in which case, the users at their own expense may be required to take whatever measures are required to correct this digital apparatus does not exceed the Class B limits for radio noise for digital apparatus set out in the Radio Interference Regulations of the Cana-dian Department of the relay module where the relative humidity never reaches the saturation point.