Intermatic 158TS10960 User Manual
158TS10960 7/27/04 3:56 PM Page 1
MODEL: T175
LR3730
24 HR DIAL TIME SWITCH WITH “SKIPPER®”
ONE NO - ONE NC CONTACTS
MAY BE WIRED AS SINGLE POLE DOUBLE THROW
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.
TIME
POINTER
TIME
DIAL
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 terminal screws firmly. (25 lb-in minimum).
REPLACE INSULATOR BEFORE TURNING ON ELECTRICITY.
MINIMUM
WIRE SIZE
PROGRAMMING INSTRUCTIONS
1. TO SET “ON” AND “OFF” TIMES: Hold trippers against edge of
2. TO SET TIME-OF-DAY: Pull CLOCK-DIAL outward. Turn in either
3. TO SKIP OPERATION(S) ON SELECTED DAY(S): Insert SKIPPING
OPERATING INSTRUCTIONS
• TO OPERATE SWITCH MANUALLY: Move MANUAL LEVER below
• IN CASE OF POWER FAILURE, reset CLOCK-DIAL to proper time-
158TS10960
CLOCK MOTOR: 110-125 VOLTS - 60 HZ.
CLOCK MOTOR VOLTAGE AND CYCLE MUST BE AS SPECIFIED. TO
ORDER REPLACEMENT, INDICATE PART NO. (WG--) ON MOTOR COVER.
ON/CUTOUT
TRIPPER
DAY
ARROW
SKIPPING
SCREW
C INSULATION MAX. MOTOR
°
75
LOAD (HP)
SINGLE PHASE
2
2 1/2
1
3
2
5
-
SKIPPER
WHEEL
120V
SUPPL
Y
TYPICAL WIRING SINGLE POLE NORMALLY OPEN
SEE WIRING INSTRUCTIONS BELOW FOR OTHER TYPES
3 PHASE
240 V.
N/A
N/A
OFF
TRIPPER
MANUAL
LEVER
MIN.
MAX.
INSUL-
LOAD
COPPER
(AWG)
14
12
10
8
ATION
(AMP)
TEMP(°C)
120 V. 240 V. 208 V.
60
15
20
30
40
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 156T1948A.
direction and align the exact time-of-day on the
time now, when switch is being put into operation) to the pointer.
DO NOT MOVE POINTER.
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.
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.
1/2
60
60
75
GRD
N
LINE
A
CLOCK
MOTOR
WIRING DIAGRAM
2
1
3
4
GROUND
PRESSURE PLATE
TERMINAL SCREW
MAKE SURE WIRE
INSULATION CLEARS
PRESSURE PLATE
CLOCK-DIAL (the
TO
LOAD
of-day. See programming instructions.
INTERMATIC INCORPORATED
SPRING GROVE, ILLINOIS 60081-9698
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