Application Guide

PRESSURE PLATE
TERMINAL SCREW
MAKE SURE WIRE
INSULATION CLEARS
PRESSURE PLATE
MINIMUM
COPPER
WIRE SIZE
(AWG)
MAX.
LOAD
(AMP)
MIN.
INSUL-
ATION
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
90
90
90
90
1/2
1
2
-
2
2 1/2
3
5
N/A
N/A
TIME
POINTER
TIME
DIAL
OFF
TRIPPER
MANUAL
LEVER
ON
TRIPPER
CLOCK MOTOR: 208-277 VAC, 60 HZ.
CLOCK MOTOR VOLTAGE AND CYCLE MUST BE AS SPECIFIED. TO
ORDER REPLACEMENT, INDICATE PART NO. (WG--) ON MOTOR COVER.
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”.
WIRING
DIAGRAM
240 V 2 WIRE
AND GROUND
LR3730
154--02030
UL
HOLOGRAM
LABEL
WARNING
Risk of Fire or Electric Shock
• Disconnect power at the circuit breaker(s) or disconnect switch(es) before installing or servicing.
• Installation and/or wiring must be in accordance with national and local electrical code requirements.
• Use wires rated at least 90°C - COPPER conductors ONLY.
• Replace plastic insulator covering terminals before powering ON.
• KEEP DOOR CLOSED AT ALL TIMES when not servicing.
NOTICE
• Rotate timer dial clockwise only.
• Do not move the clock hands on the timer. Moving the clock hands can damage the timer.
AVERTISSEMENT
Risque d’incendie ou de choc électrique
• Utiliser des fils classés 90°C minimum - Conducteurs en CUIVRE UNIQUEMENT.
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
MODEL: T104
24 HOUR DIAL TIME SWITCH
TYPE 1 INDOOR USE ONLY
DOUBLE POLE SINGLE THROW (DPST)
40 A RESISTIVE EACH POLE, 120-480 VAC
40 A INDUCTIVE, TUNGSTEN OR 1000 VA
PILOT DUTY EACH POLE 120V-277 VAC;
2 HP (24 FLA) - 120 VAC; 5 HP (28 FLA) - 240 VAC
16 A ELECTRONIC BALLAST, 277 VAC
WIRING INSTRUCTIONS: Remove 1/2 inch of insulation from wire ends. Tighten terminal screws firmly
(2-18 in-lbs). Use solid or stranded COPPER conductors only. May use two wires of the same size and type.