Lathem Dukane 24A715 - Manual (Page 51)

TYPE 06—Synchronous Wired
For a list of Type 06 clocks, see the chart on the first page of this appendix.
The clock run motor receives 120Vac continuously, with 120Vac furnished to the clock
correction coil for 55 seconds each hour from HH:58:05 to HH:59:00 to cause hourly
corrections. Ten 120Vac signals are furnished to the clock correction coil (each for 95
seconds) beginning at 5:05:00, 5:07:00, 5:09:00, 5:11:00, 5:13:00, 5:15:00, 5:17:00,
5:19:00, 5:21:00 and 5:23:00 to cause the 12-hour correction. The final 12-hour signal
ends at 5:24:35 (before the 5:30 lockout).
24A715/24A715M Master Clock Installation Manual B-9
1 2 3 4 5 6 7 8
CLK1 OR CLK2
x
x
x
x
RELAY
K6 (K8)
RELAY
K5 (K7)
I I
MASTER CLOCK
FIELD CONNECTIONS
X = Normally open contact
I = Normally closed contact
AC RTN
10 ASB MAX.
120Vac
CORRECTION COIL
RUN MOTOR
RETURN
1 = V250LA4 MOV or equal
1
1
Figure B-7
Synchronous Wired