M274
Pg. 6 of 20
MOUNTING
Mount the 99B-MI in an accessible location using suitable
hardware per installation (#10 Screws recommended)
BEFORE MAKING CONNECTIONS !
Shut off power to all circuits before making any electrical
connections. DO NOT connect 115VAC mains power to 99B-MI
until all other wiring connections have been made
All clocks should be installed / mounted with all clock hands
pointing at 12:00. Clocks will automatically reset to correct time
when power is applied to 99B-MI
For ease of installation, all 99B-MI Inputs & Outputs are shown
on the wiring label on the inside of the terminal compartment
cover. (See Pg. 5)
CONNECTING “MI CLOCKS”
(Minute Impulse - 24VAC)
For multiple clocks, “Home Run” wiring is required
between each clock and one of the “MI CLOCK” outputs
on 99B-MI
L1 L2
C
G
MI CLOCK 1
TO CIRCUIT BOARD
ON CLOCK
SHIELD
06-01-2009
Electric Time Company, inc. Medfield, MA 02052 USA
Ph: (508) 359-4396 Fax: (508) 359-4482
www.electrictime.com