41
FIGURE 11.
WIRING ARANGEMENT FOR FLAME SWITCHES USING MEP100 PROGRAMMERS
NOTE: Air Flow LED will blink while flame is detected and KF relay is energized.
FIGURE 12.
WIRING ARRANGEMENT FOR PILOT IGNITED BURNERS USING MEP300, MEP400 AND
MEP600 SERIES PROGRAMMERS.
V
S1
7
3
5
4
1
A
S2
VOLTAGE
8
120VAC
50/60Hz
FLAME AMPLIFIER
KF-2
KF-1
H
N
2
FLAME
SCANNER
ENABLE/DISABLE
KA
KB
SOURCE
ISOLATED SWITCHED
OUTPUTS
REFER TO LOAD RATING
OUTPUTS
INPUT
* FUSE F1 CAN BE REMOVED
FLAME
ROD
ONLY
KL
(WATCHDOG)
F1
6
PV
MV
S1
7
3
5
4
1
A
S2
PILOT VALVE
SECONDARY
BLOWER MOTOR
ALARM
8
120VAC
50/60Hz
T
P
FLAME AMPLIFIER
SPARK
KI
KF
IGNITION
H
N
2
FLAME
SCANNER
OR
CONTACTOR
MAIN FUEL VALVE
(IF USED)
OPERATING
CONTROL
KA
KB
AIR FLOW
INTERLOCK
FLAME
ROD
ONLY
KL
(WATCHDOG)
F1
6
KP