Intermatic 158TS10933 User Manual

Project4 7/27/04 4:08 PM Page 1

MODEL: T1871BR

24 HOUR DIAL TIME SWITCH MECHANISM WITH ‘’SKIPPER ’’

®

LR3730

2 NORMALLY OPEN - 2 NORMALLY CLOSED SET OF CONTACTS

(MAY BE WIRED AS DOUBLE POLE DOUBLE THROW)

40 AMP. RESISTIVE,EACH POLE 120-480V. AC;
40 AMP. INDUCTIVE TUNGSTEN OR 1000 V.A. PILOT DUTY EACH POLE
120-277 V. AC; 2 H.P. (24 FLA) - 120 V. AC; 5 H.P. (28 FLA) - 240 V. AC

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

WIRING INSTRUCTIONS: To wire

switch follow diagram above. If

POLE switch action is required,

install jumpers (extend supply wires) between terminals 1-6 and 3-8. Use solid or
stranded COPPER wire insulation to suit installation. See gauge selection table for
normal service application.s To make power connections see illustration below.
Replace front insulator before turning on electricity. Motor voltage and cycle (Hz.)
must be as specified.

MINIMUM

WIRE SIZE

PROGRAMMING INSTRUCTIONS

•

•

•

OPERATING INSTRUCTIONS

•

•

INDEPENDENTLY WIRED CLOCK MOTOR: 110-125V. 60 HZ.

COVER.

TIME

POINTER
TIME
DIAL
OFF
TRIPPER

MANUAL
LEVER

MIN.

MAX.

INSUL-

LOAD

COPPER

(AWG)

14
12
10

8

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
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

TO OPERATE SWITCH MANUALLY: Move MANUAL LEVER bellow CLOCK-
DIAL 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 F

programming instructions.

(AMP)

15
20
30
40

ATION

TEMP(°C)

60
60
60
75

INTERMATIC INCORPORATED

158TS10933

ON/CUTOUT

TRIPPER

DAY
ARROW

SKIPPER
WHEEL

SKIPPING
SCREW

DOUBLE

75°C INSULATION MAX. MOTOR

LOAD (HP)

SINGLE PHASE

120 V. 240 V. 208 V.

2

1/2

2 1/2

1

3

2

5

-

7/12

3
4
5

3 PHASE

240 V.

71/2

10

3
5

120V
60 Hz

SUPPLY

GROUND
SCREW

CLOCK-DIAL (the time now, when switch is

has not yet advanced wheel “TODAY” if it has.

AILURE,

SPRING GROVE, ILLINOIS 60081-9698

reset CLOCK-DIAL to proper time-of-day

CLOCK
MOTOR

WIRING DIAGRAM

PRESSURE PLATE
TERMINAL SCREW
MAKE SURE WIRE

INSULATION CLEARS
PRESSURE PLATE

TO
LOAD(S)

. See