Product Overview

42
£
FIGURE 11. WIRING ARRANGEMENT 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
BLOWER MOTORALARM
8
120VAC
50/60Hz
T
P
FLAME AMPLIFIER
SPARK
KI
KF
IGNITION
H
N
2
FLAME
SCANNER
OR
CONTACTOR
MAIN FUEL VALVE
OPERATING
CONTROL
KA
KB
AIR FLOW
INTERLOCK
FLAME
ROD
ONLY
KL
(WATCHDOG)
F1
6
KP
MODULATE CONTACTS
MED8/MED9
DAUGHTER BOARD
LOCATED ON
CONTROLLED BY
MEP696/MEP697
ONLY