Lathem DDC2 - Manual (Page 35)

Page 29 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring
Synchronous Wired
To
Other Clocks
115VAC
From
Master Clock
OPEN
1 2 3 4 5 6 7 8
Set switches 1-5 of S1 as shown.
Indicates depressed side of switch
Wiring applies to secondary wall clocks such as:
Cincinnati D8 Faraday Honeywell ST402A
H
M
For 24VAC correction, use wiring
shown on page 23
B
L
U
/
W
H
T
Run
Correction
B
R
N
/
W
H
T
B
L
K
B
L
K
AC Return
Clock will correct minutes hourly at HH:58 and
hour and minutes twice daily beginning at 5:05.