Intermatic T101B Owner's Manual
MODEL: T101B
LR3730
24 HR. DIAL TIME SWITCH (SPST)
WITH INDEPENDENTLY WIRED CLOCK MOTOR
40 AMP. RESISTIVE, 120-480VOLT AC;
40 AMP, INDUCTIVE, OR TUNGSTEN OR
1000 VA PILOT DUTY 120-277 VOLT AC;
2 HP (24 FLA)-120V AC; 5 HP (28 FLA)-240V AC.
1 VA MINIMUM AT 24 VOLT AC
CLOCK MOTOR: 110-125 VOLTS - 60 HZ.
CLOCK MOTOR VOLTAGE AND CYCLE MUST BE AS SPECIFIED. TO
ORDER REPLACEMENT, INDICATE ART NO. (WG--) ON MOTOR COVER.
WIRING DIAGRAM
CLOCK
MOTOR
PRESSURE PLATE
TERMINAL SCREW
MAKE SURE WIRE
INSULATION CLEARS
PRESSURE PLATE
4
3
TO
LOAD
120V
CLOCK
MOTOR
SUPPLY
SUPPLY
EQUIPMENT
GROUND
GRD
A 1
TIME
DIAL
TIME
POINTER
OFF
TRIPPER
MANUAL
LEVER
ON
TRIPPER
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.
MAX.
MINIMUM
LOAD
COPPER
(AMP)
WIRE SIZE
(AWG)
TEMP(°C)
14
15
12
20
10
30
8
40
MIN.
INSUL-
ATION
SINGLE PHASE
120 V. 240 V. 208 V.
60
1/2
60
1
60
2
75
-
75°C INSULATION MAX. MOTOR
LOAD (HP)
3 PHASE
2
2 1/2
N/A
3
5
240 V.
N/A
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
158TS10942
SPRING GROVE, ILLINOIS 60081-9698
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