MODEL: T173 |
LR3730 |
24 HR DIAL TIME SWITCH WITH “SKIPPER®”
DOUBLE POLE SINGLE THROW (DPST)
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.
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.
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ON/CUTOUT |
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WIRING |
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CLOCK |
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TIME |
DIAGRAM |
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TRIPPER |
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MOTOR |
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POINTER |
DAY |
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TIME |
ARROW |
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A |
1 |
2 |
3 |
4 |
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DIAL |
SKIPPER |
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OFF |
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NEUT. |
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WHEEL |
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LINE 1 |
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TRIPPER |
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TO |
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MANUAL |
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LINE 2 |
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SKIPPING |
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GROUND |
LOAD(S) |
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LEVER |
SCREW |
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120/240 VOLT 3 WIRE SUPPLY |
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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 |
MAX. |
MIN. |
75°C INSULATION MAX. MOTOR |
PRESSURE PLATE |
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COPPER |
LOAD |
INSUL- |
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LOAD (HP) |
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WIRE SIZE |
(AMP) |
ATION |
SINGLE PHASE |
3 PHASE |
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(AWG) |
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TEMP(°C) |
TERMINAL SCREW |
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120 V. |
240 V. |
208 V. |
240 V. |
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14 |
15 |
60 |
1/2 |
2 |
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MAKE SURE WIRE |
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12 |
20 |
60 |
1 |
2 1/2 |
N/A |
N/A |
INSULATION CLEARS |
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10 |
30 |
60 |
2 |
3 |
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PRESSURE PLATE |
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8 |
40 |
75 |
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5 |
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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 156T1948A.
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
158TS10958
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