Honeywell RM7800L1087 Installation Instructions Manual page 31

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.
No Valve Proving
Single Fuel
Dual Fuel
Valve Proving on Gas
Single Fuel
Dual Fuel
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.
Table 17. RM7800L/40G,L, EC7840L Ignition Options
Ignition Options
- MFEP 10s
- MFEP 15s
- DSI
MFEP timed for both
- Gas 10s, Oil 10s
- Gas 10s, Oil 15s
- Gas 15s, Oil 10s
- Gas 15s, Oil 15s
- Gas 10s, Oil DSI
- Gas 15s, Oil DSI
- Gas DSI, Oil 10s
- Gas DSI, Oil 15s
- DSI both
- MFEP 10s
- MFEP 15s
- DSI
MFEP timed for both
- Gas 10s, Oil 10s
- Gas 10s, Oil 15s
- Gas 15s, Oil 10s
- Gas 15s, Oil 15s
- Gas 10s, Oil DSI
- Gas 15s, Oil DSI
- Gas DSI, Oil 10s
- Gas DSI, Oil 15s
- DSI Both
RELAY MODULES WITH VALVE PROVING
Figure Letter Fuel Changeover Poles
A
B
C
D
E
F
G
H
I
J
K
L
M
Not Possible
N
O
P
Not Possible
Not Possible
Q
Not Possible
R
S
T
31
-
-
-
2
2
2
2
3
3
3
3
2
-
-
4
4
5
4
4
4
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