Document1 10/30/03 1:36 PM Page 1
MODEL: T104 |
LR3730 |
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24 HOUR DIAL TIME SWITCH
DOUBLE POLE SINGLE THROW (DPST)
40 AMP. RESISTIVE EACH POLE 120-480 VOLT AC; 40 AMP.INDUCTIVE OR TUNGSTEN OR 1000 VA PILOT DUTY EACH POLE 120V-277V AC;
2 HP (24 FLA)-120V AC; 5 HP (28 FLA)-240V AC.
CLOCK MOTOR: 208-277 VOLTS - 60 HZ.
CLOCK MOTOR VOLTAGE AND CYCLE MUST BE AS SPECIFIED. TO ORDER REPLACEMENT, INDICATE PART NO. (WG--) ON MOTOR COVER.
TIME
DIAL
TIME POINTER
OFF TRIPPER
MANUAL LEVER
ON TRIPPER
WIRING |
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DIAGRAM |
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CLOCK |
240 V 2 WIRE |
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MOTOR |
AND GROUND |
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A |
1 2 |
3 |
4 |
GR |
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240V LINE 1 |
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TO |
SUPPLY LINE 2 |
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LOAD(S) |
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GROUND |
277/480 VOLT CONNECT MOTOR LEADS TO TERMINALS “A” AND 1 AND SUPPLY NEUTRAL TO TERMINAL “A”.
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. |
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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 |
- |
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 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.
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.
•IN CASE OF POWER FAILURE, reset CLOCK-DIAL to proper time-of-day. See programming instructions.
INTERMATIC INCORPORATED
SPRING GROVE, ILLINOIS 60081-9698
158TS10948
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