Intermatic 158TS11741 User Manual

158TS11741 7/27/04 4:20 PM Page 1

MODEL: T1475BR

24 HOUR DIAL TIME SWITCH WITH ‘’SKIPPER ’’
FOUR POLE SINGLE THROW

40 AMP. INDUCTIVE TUNGSTEN OR 1000 V.A. PILOT DUTY EACH POLE 120V - 480V A.C.

. TUNGSTEN EACH POLE 120V - 277 V A.C.

40 AMP
2 H.P. (24 FLA) - 120 V. AC; 5 H.P. (28 FLA) - 240 V. AC SINGLE PHASE
28 FLA 168 LRA (7 1/2 H.P. - 208V 10 H.P. - 240V 210 H.P. - 480V) THREE PHASE

INDEPENDENTLY WIRED CLOCK MOTOR: 480 VOLTS 60 HZ.

CLOCK MOTOR VOLTAGE AND CYCLE MUST BE AS SPECIFIED. TO
ORDER REPLACEMENT, INDICATE PART NO. (WG--) ON MOTOR

TIME

POINTER
TIME
DIAL
OFF
TRIPPER

MANUAL
LEVER

WIRING INSTRUCTIONS:

To wire switch follow diagram above.
Use solid or stranded COPPER

ON/CUTOUT

TRIPPER

DAY
ARROW

SKIPPER
WHEEL

SKIPPING
SCREW

480 V
60 HZ

SUPPLY

GROUND
SCREW

®

CLOCK

MOTOR

A

2

1

5

7

6

B

WIRING DIAGRAM

(4PST)

8

COVER.

3

4

LR3730

TO
LOADS

wire with insulation to suit installation. See gauge selection table for nor­mal service applications. To make power connections see illustration
below. Replace front insulator before turning on electricity. Motor

voltage and cycle (Hz). must be as specified above.

C INSULATION MAX. MOTOR

°

75

MIN.

MAX.

MINIMUM

COPPER

WIRE SIZE

(AWG)

14
12
10

8

PROGRAMMING INSTRUCTIONS

•

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. See caution below. For additional tripper pairs on CLOCK-

DIAL order 156T1978A.

•

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 TIME POINTER. DO NOT MOVE THE POINTER.

•

TO SKIP OPERATION(S) ON SELECTED DAY(S): Insert SKIPPING SCREW(S)

in SKIPPER WHEEL for day(s) automatic operation(s) is/are NOT required.
Tighten screws firmly. Move MANUAL LEVER to “OFF” and rotate SKIPPER

WHEEL to locate correct day-of-week opposite DAYARROW--”YESTERDAY” if
ON/CUTOUT TRIPPER has not yet advanced wheel “TODAY” if it has.

OPERATING INSTRUCTIONS

•

TO OPERATE SWITCH MANUALLY: Move MANUAL LEVER bellow CLOCK­DIAL left or right as indicated by arrows. This will not effect next operation.

•

CAUTION: TO AVOID SLOW TRIPPER ACTION FAILURE, DO NOT OPERATE
SWITCH MANUALLY NOR PLACE A TRIPPER 4 HOURS PRIOR TO ON/OFF
CUTOUT TRIPPER SWITCHING.
IN CASE OF POWER FAILURE,

programming instructions.

LOAD

(AMP)

15
20
30
40

INSUL­ATION

TEMP(°C)

60
60
60
75

INTERMATIC INCORPORATED

158TS11741

LOAD (HP)

SINGLE PHASE

120 V. 240 V. 208 V.

1/2

2 1/2

1
2

-

3 PHASE

240 V.

7/12

3

3

5

4

71/2

5

10

2

3
5

reset CLOCK-DIAL to proper time-of-day. See

SPRING GROVE, ILLINOIS 60081-9698

PRESSURE PLATE
TERMINAL SCREW
MAKE SURE WIRE

INSULATION CLEARS
PRESSURE PLATE