Intermatic 158TS11760 User Manual

158TS11760 7/27/04 3:49 PM Page 1

MODEL: T105

LR3730

24 HOUR DIAL TIME SWITCH

ONE NORMALLY OPEN - ONE NORMALLY CLOSED CONTACTS

Y BE WIRED AS SINGLE POLE DOUBLE THROW

MA

40 AMP. RESISTIVE, INDUCTIVE, TUNGSTEN OR
1000 VA. PILOT DUTY PER POLE - 120/208/240VOLT 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 ART NO. (WG--) ON MOTOR COVER.

TIME
DIAL

TIME
POINTER

OFF
TRIPPER

MANUAL
LEVER

ON
TRIPPER

WIRING INSTRUCTIONS: To wire switch follow diagram above.

To wire as

SINGLE POLE NORMALLY CLOSED, move clock

motor lead from terminal

2. To wire as SINGLE POLE DOUBLE THROW, install jumper
(the same gauge as
LINE to 2, LOADS to 1 and 4. NEUTRAL connection always as
shown. Use COPPER wire only. For gauge selection and wire
connection, see details below. Use 3/16 or larger screwdriver,
tighten terminal screws firmly (25lb-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.
INSUL­ATION

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
proper time-of-day. See programming instructions.

INTERMATIC INCORPORATED

158TS11760

SPRING GROVE, ILLINOIS 60081-9698

WIRING
DIAGRAM

120V
SUPPLY

TYPICAL WIRING: SINGLE POLE NORMALLY OPEN
SEE WIRING INSTRUCTIONS BELOW FOR OTHER TYPES

GRD.

LINE

CLOCK

MOTOR

A

N

3

2

1

GROUND

4

TO
LOAD

3 to 1, and connect LINE to 1, LOAD to

Line wire) between 2 and 3 and connect

PRESSURE PLATE
TERMINAL SCREW
MAKE SURE WIRE

INSULATION CLEARS
PRESSURE PLATE

N/A

3 PHASE

240 V.

N/A