Xylem MM 201H Series 67 and 767 Low Water Cut-Offs For Steam Boilers - Manual (Page 10)

NOTE: To connect wires to the terminals
on the burner, or low water cut-off, place
the bare end of the wire under the terminal
screw and tighten the screw with a flat-
head screwdriver. On the 101-A water
feeder use wire nuts.
Y
a. Using a flathead screwdriver, remove the one
(1) screw that secures the low water cut-offs
switch housing (Y).
BB
b. Using a flathead screwdriver, remove the two
(2) screws that secure the feeder cover (BB).
For 67 Low Water Cut-Off Installed with McDonnell & Miller Series 101-A Water-Feeder
For the 120V Burner/120V Feeder setups.
BURNER
120 VAC
SUPPLY
1 2
3 4
N
H
101A
69
c. Using a wire nut, connect a wire from the
neutral side of the power supply to one of
the wires inside the feeders junction box.
(Does not make a difference which one).
Connect a wire from the "hot" side of the
power supply to terminal #2 of the Series 67
junction box. Connect the neutral side of the
power supply to the burner.
BURNER
120 VAC
SUPPLY
1 2
3 4
N
H
101A
d. Connect the wire from the burner to terminal
#1 of the low water cut-off. Connect a
"jumper" from terminal #2 to terminal #3 of the
low water cut-off. Connect a wire from termi-
nal #4 of the low water cut-off to the remain-
ing wire in the 101A water feeder.
10