Honeywell RM7800L1087 - Page 31

RELAY MODULES WITH VALVE PROVING
31 32-00142—01
APPENDIX B: RM7800L/40G,L, EC7840L IGNITION OPTIONS
Column 1 lists the ignition option.
Column 2 lists the figure letter that shows the connections for that option. The figure letters refer to the figures on pages
30–32.
Column 3 refers to the fuel changeover switch and how many connections or poles that would be required.
Table 17. RM7800L/40G,L, EC7840L Ignition Options
Ignition Options Figure Letter Fuel Changeover Poles
No Valve Proving
Single Fuel
- MFEP 10s A-
- MFEP 15s B-
- DSI C-
Dual Fuel
MFEP timed for both
- Gas 10s, Oil 10s D2
- Gas 10s, Oil 15s E2
- Gas 15s, Oil 10s F2
- Gas 15s, Oil 15s G2
- Gas 10s, Oil DSI H3
- Gas 15s, Oil DSI I3
- Gas DSI, Oil 10s J3
- Gas DSI, Oil 15s K3
- DSI both L2
Valve Proving on Gas
Single Fuel
- MFEP 10s M-
- MFEP 15s Not Possible
- DSI N-
Dual Fuel
MFEP timed for both
- Gas 10s, Oil 10s O4
- Gas 10s, Oil 15s P4
- Gas 15s
, Oil 10s Not Possible
- Gas 15s
, Oil 15s Not Possible
- Gas 10s, Oil DSI Q5
- Gas 15s
, Oil DSI Not Possible
- Gas DSI, Oil 10s R4
- Gas DSI, Oil 15s S4
- DSI Both T4
Gas Direct Spark Ignition during VPS Selection (powering terminal 17)
automatically chooses 4 second Ignition Trial Period, regardless of configuration
resistor JR1 status
CAUTION! The above options are ONLY suggestions—BE SURE to check local
approval agencies for timings acceptable for your application.