For stand-alone installations, the unit may be surface
mounted inside an indoor enclosure which is
available from Intermatic Incorporated
. or your
wholesaler.
PANEL MOUNTING—MIL 12E
Cut a square hole 2
5
/
8
” x 2
5
/
8
” (66mm x 66mm) in the
front of the panel. Insert the time switch through the
opening. With screwdriver press down and turn
outer screws (A) until flanges are in position to fasten
the unit in front panel, then release. Insert plugs into
holes as per illustration (B).
Use
1
/
4
” quick connects and make connections in
accordance with the wiring diagram shown and
applicable code requirements.
WIRING
1. Disconnect the power.
2. Wire according to the proper voltage marked on
the unit. Wiring to incorrect voltage will void the
warranty.
3. Connect wiring according to the wiring diagram.
The terminals on the MIL 72A sub-base will
accommodate 10 to 24 AWG wire.
PROGRAMMING
The weekly program dial shows the seven days of
the week and AM/PM imprints for each day. The 24-
hour dial has quarter-hour divisions and AM/PM
indications.
The time switch is set by pushing the captive
trippers to the outer ring position for the entire period
that the load is to be turned ON, i.e., fifteen minutes
for each tripper on the 24-hour dial and 2 hours for
each tripper on the 7-day dial. When the tripper is
pushed to the inside, the switch is in the OFF
position.
SETTING TIME
TO SET THE CURRENT TIME (AND DAY OF
WEEK ON 7 DAY UNITS), TURN THE
MINUTE HAND CLOCKWISE. DO NOT SET
THE TIME BY ROTATING “OUTER” DIAL.
Turn the minute hand clockwise until the day of the
week (7-day timer) and the time of day on the outer
dial is aligned with the triangle marker on the inner
dial (two o'clock position).
Example for 7-day program dial Monday 10:30 AM.
Turn the minute hand clockwise until Monday 10:30
AM is aligned with the triangle on the inner dial. The
hour and minute hand will show exactly 10:30.
Example for 24-hour program dial 10:30 AM. Turn
the minute hand clockwise until 10:30 AM is aligned
with the triangle on the inner dial. The hour and the
minute dial will show exactly 10:30.
MANUAL OVERRIDE
All MIL 72 units are available with an optional 3-way
manual override (type designation “H”).
B
A
3-way manual
override switch
Off position with trippers
pushed in (trippers pushed out
will close contacts 3 and 4 and
turn load on)
I = permanent ON
= automatic
0 = permanent OFF
A
B
Terminal Connections
Indoor Enclosure
158--00539
INTERMATIC INCORPORATED
Spring Grove, IL 60081-9698
www.intermatic.com
