Honeywell MT4000 Series Instruction Sheet page 4

input drive to
main low
valve fire
1
2 3 4
output
main
valve
Fig. 4. Wiring Diagram MT4001A
power
T . input
signal
mod
main
during
valve
run
1
2 3 4
output
main
valve
Fig. 5. Wiring Diagram MT4001B
main fan
valve input
2 3 4
1
low fire
output
readback
main
signal
valve
Fig. 7. Wiring diagram MT4001C
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drive
drive to
to off
high fire
neutral
6 8
5 7
readback
signal
drive
drive
to high
to low drive
fire neutral
fire to off
6 8
5 7
readback
signal
power
high/low
signal
drive
during
signal
neutral
run
6 8
5 7
high fire
readback
signal
input
main
valve
1
2
9
input
main
valve
9
2
1
9
4 4
T
mod.
line
6
3 4 5
output
fan
main
output
valve
Fig. 8. Wiring Diagram MT4002B
power
T
signal
mod.
during line
run
6
3 4 5
output
main
valve
Fig. 9. Wiring diagram MT4003C
fan
input neutral
8
7 9
neutral
8
7 9
fan
input