Intermatic T104 User Manual

MODEL: T104

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.

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 INSULAT OR BEFORE TURNING ON ELECTRICITY.

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

TIME
POINTER

TIME
DIAL

OFF
TRIPPER

MANUAL
LEVER

ON
TRIPPER

CLOCK

MOTOR

GROUND

A

1

2

3

4

GR

240V

SUPPLY

TO
LOAD(S)

LINE 1
LINE 2

277/480 VOLT CONNECT MOTOR LEADS TO TERMINALS
“A” AND 1 AND SUPPLY NEUTRAL TO TERMINAL “A”.

PRESSURE PLATE

TERMINAL SCREW

MAKE SURE WIRE
INSULATION CLEARS
PRESSURE PLATE

MINIMUM

COPPER

WIRE SIZE

(AWG)

MAX.
LOAD

(AMP)

MIN.
INSUL­ATION

TEMP(°C)

75°C INSULATION MAX. MOTOR

LOAD (HP)

SINGLE PHASE

3 PHASE

120 V. 240 V. 208 V.

240 V.

14
12
10

8

15
20
30
40

60

60

60

75

1/2

1
2

-

2

2 1/2

3
5

N/A

N/A

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.

WIRING
DIAGRAM

240 V 2 WIRE
AND GROUND

LR3730

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