Intermatic T102 Owner's Manual

MODEL: T102

LR3730

24 HOUR DIAL TIME SWITCH

SINGLE POLE SINGLE THROW (SPST)

40 AMP. RESISTIVE, INDUCTIVE, TUNGSTEN
OR 1000 VA PILOT DUTY 120-277 VOLT AC;
2 HP (24 FLA) - 120V AC; 5 HP (28 FLA) - 240V AC

CLOCK MOTOR: 208-277 VOLTS - 60 HZ.

(TO ORDER CLOCK MOTOR REPLACEMENT, SPECIFY PART No. WG--ON MOTOR COVER)

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)

2

2 1/2

3
5

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 prop-
er time-of-day. See programming instructions.

INTERMATIC INCORPORATED

158TS10944

SPRING GROVE, ILLINOIS 60081-9698

WIRING
DIAGRAM

GRD.

208

THRU

LINE 1

277V

SUPPLY

LINE 2

FOR 208 OR 277 V SUPPLY.
CONNECT LINE 1 TO TERMINAL “A”.

3 PHASE

240 V.

N/A

N/A

1

A

CLOCK
MOTOR

2

TO

GROUND

LOAD

PRESSURE PLATE

TERMINAL SCREW

MAKE SURE WIRE
INSULATION CLEARS
PRESSURE PLATE