LR3730
MODEL: T175CR
24 HR DIAL TIME SWITCH WITH “SKIPPER
®
”
AND SPRING-WOUND CARRY-OVER MOTOR
ONE NO - ONE NC CONTACTS
MAY BE WIRED AS SINGLE POLE DOUBLE THROW
IN TYPE 3R RAINPROOF ENCLOSURE
40 AMP. RESISTIVE, INDUCTIVE, TUNGSTEN OR
1000 VA. PILOT DUTY PER POLE - 120/208/277 VOLT AC;
2 HP (24 FLA) - 120V AC; 5 HP (28 FLA) - 240V AC.
WIRING INSTRUCTIONS: To wire switch follow diagram above. Use solid
or stranded COPPER
only wire with insulation to suit installation. See gauge
selection table for normal service applications. To make power connections
remove 1/2 inch of insulation from wire ends. Insert bare ends of wire under
the pressure plate of terminals. Use 3/16 or larger screwdriver to tighten termi-
nal screws firmly. (25 lb-in minimum).
REPLACE INSULATOR BEFORE TURNING ON ELECTRICITY
.
PROGRAMMING INSTRUCTIONS
1.
TO SET “ON” AND “OFF” TIMES: Hold trippers against edge of
CLOCK-DIAL, pointing to time (AM or PM) when ON and OFF
operations are desired, tighten tripper screws firmly. For additional
tripper pairs on
CLOCK-DIAL order 156T1978A.
2.
TO SET TIME-OF-DAY: Pull CLOCK-DIAL outward. Turn in either
direction and align the exact time-of-day on the
CLOCK-DIAL (the
time now, when switch is being put into operation) to the pointer.
DO NOT MOVE POINTER.
3.
TO SKIP OPERATION(S) ON SELECTED DAY(S): Insert SKIPPING
SCREW(S) in SKIPPER WHEEL for day(s) automatic operation(s)
is/are NOT required. Tighten screws firmly. Move
MANUAL LEVER to
“OFF” and rotate SKIPPER WHEEL to locate correct day-of-week
opposite
DAY ARROW--”YESTERDAY” if ON/CUTOUT TRIPPER
has not yet advanced wheel
“TODAY” if it has.
OPERATING INSTRUCTIONS
•
TO OPERATE SWITCH MANUALLY: Move MANUAL LEVER below
CLOCK-DIAL left or right as indicated by arrows. This will not effect
next operation.
CAUTION: TO AVOID SLOW SWITCH ACTION FAILURE, DO NOT OPERATE
SWITCH MANUALLY NOR PLACE A TRIPPER 4 HOURS PRIOR TO
ON/CUTOUT TRIPPER SWITCHING.
•
IN CASE OF POWER FAILURE, reset CLOCK-DIAL to
proper time-of-day. See programming instructions.
INTERMATIC INCORPORATED
SPRING GROVE, ILLINOIS 60081-9698
158TS10932
PRESSURE PLATE
TERMINAL SCREW
MAKE SURE WIRE
INSULATION CLEARS
MINIMUM
COPPER
WIRE SIZE
(AWG)
MAX.
LOAD
(AMP)
MIN.
INSUL-
ATION
TEMP(°C)
75°C INSULATION MAX. MOTOR
SINGLE PHASE
3 PHASE
14
12
10
15
20
30
60
60
60
1/2
1
2
2
2 1/2
3
5
N/A
N/A
TIME
TIME
OFF
MANUAL
ON/CUTOUT
DAY
SKIPPER
SKIPPING
CLOCK MOTOR: 110-125 VOLTS - 60 HZ.
CLOCK MOTOR VOLTAGE AND CYCLE MUST BE AS SPECIFIED. TO
CLOCK
A
1
2
3
4
N
120V
TO
LOAD
GRD
LINE
TYPICAL WIRING SINGLE POLE NORMALLY OPEN
SEE WIRING INSTRUCTIONS BELOW FOR OTHER TYPES
WIRING DIAGRAM
Project1 7/27/04 4:35 PM Page 1
