Flame Signal Measurement - Honeywell 7800 SERIES Instruction Manual

EC7830A, RM7830A, EC7850A, RM7850A 7800 SERIES RELAY MODULES
changed after the 200 hours occur, the relay module locks out.
This safety function assures that the relay module cannot be
modified after it is installed in a particular location.
SERVICE NOTE:Clipping and removing a site-configurable jumper enhances the level of safety.
RESET
BUTTON
DUST
COVER
Fig. 5. EC/RM7830A and EC/RM7850A Relay Modules exploded view.
RUN/TEST SWITCH
Fig. 6. Selectable site-configurable jumpers.
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Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
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RUN/TEST
SWITCH
RELAY
MODULE
CONFIGURATION
JUMPERS
PURGE
TIMER
SEQUENCE
STATUS
LED PANEL
SELECTABLE CONFIGURATION
JUMPERS
M7701B
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66-1092—06
Printed in U.S.A.
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If JR3 (Airflow Switch) is intact (no Airflow Switch), then a
jumper must be installed between terminals 6 and 7. If JR3 is
clipped (Airflow Switch is present), the relay module locks out
if it detects a jumper between terminals 6 and 7.
WIRING
SUBBASE
HO NE YW EL L
Table 7. Site-configurable jumper options.
Jumper
Number Description
JR1 First Safety Time
JR2 Main Trial Time
JR3 Airflow Switch
a
EC7850A1148 or RM7850A1035
Intact—3 seconds Clipped—2 seconds
IMPORTANT
Clipping site-configurable jumpers after 200 hours of
operation results in a nonresettable Code 110,
LOCKOUT. The relay module must be replaced.

Flame Signal Measurement

Measure the flame signal at the appropriate times as defined
in the applicable flame amplifier specifications.
M.S. Rev. 07-11
CAPTIVE
MOUNTING
SCREW
FLAME
AMPLIFIER
M15187A
Intact Clipped
a a
5 seconds 3 seconds
5 seconds 3 seconds
No Yes