32-00156-03 6
RM7895A,B,C,D/EC7895A,C; RM7896A,C,D7800 SERIES Relay Modules
RM7895C1020/2020, RM7896C1036/2036 PFEP 10 SECONDS ONLY;
RM7895C1053/2053 PFEP 4 SECONDS ONLY
RM7895C1020/2020, RM7896C1036/2036: DURING FIRST 8 SECONDS
OF PFEP, WHEN A FLAME SIGNAL IS DETECTED, TERMINAL 10
IS DE-ENERGIZED. IF FLAME SIGNAL IS LOST, TERMINAL 10
WILL RE-ENERGIZE.
FOR EC7895, A 220 TO 240 VAC TO 120 VAC,
10 VA MINIMUM STEPDOWN TRANSFORMER (NOT PROVIDED)
MUST BE USED TO DRIVE THE SHUTTER. THIS DOES NOT APPLY
TO UV FLAME SENSOR MODELS C7061A1020, C7061A1079 AND
C7061F1003 (COMBINED WITH R7861-SERIES FLAME AMPLIFIERS),
WHICH HAVE INTERNAL SELECTABLE TERMINAL BLOCK TO
CONNECT 230V SHUTTER OUTPUT DIRECTLY.
SEE FLAME DETECTOR SPECIFICATIONS FOR CORRECT WIRING.
Fig. 3. Wiring subbase and sequence chart for RM7895C,D/EC7895C; RM7896C,D.
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