INTERMATIC T7402BC Seven Day Dial Time Switch Instruction Manual
- June 12, 2024
- Intermatic
Table of Contents
MODEL: T7402BC
SEVEN-DAY DIAL TIME SWITCH
WITH SPRING WOUND CARRY-OVER MOTOR
T7402BC Seven Day Dial Time Switch
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#7-day
TYPE 1 INDOOR USE ONLY – FOUR POLE SINGLE THROW
MINIMUM “ON” TIME 3-1/2 HR. UP TO 3-1/2 DAILY ON-OFF OPERATIONS
40 A RESISTIVE EACH POLE 120-480 VAC; 40 A INDUCTIVE, TUNGSTEN EACH POLE
120/208/240 OR 277 VAC;
1000 VA PILOT DUTY EACH POLE 120-277 VAC; 2 HP (24 FLA, 144 LRA) – 120 VAC; 5
HP (28 FLA, 168 LRA) –
240 VAC SINGLE PHASE; 7 1/2 HP (24 FLA, 168 LRA) – 208 VAC; 10 HP (24 FLA, 168
LRA)- 240 VAC THREE PHASE 16 A ELECTRONIC BALLAST, 277 VAC
**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.
CLOCK MOTOR: 208-277 VAC, 60 HZ.
WIRING INSTRUCTIONS
This Time Switch can be wired to control one to four circuits simultaneously
on a seven day schedule. Clock motor voltage may be other than load voltage,
but must be as specified. For terminal markings, internal wiring and contact
arrangements refer to wiring diagram above.
See table for gauge selection. To make power connections 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.
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| 15| 90| 1/2| 2| 3| 3
12| 20| 90| 1| 2 1/2| 4| 5
10| 30| 90| 2| 3| 5| 7 1/2
8| 40| 90| –| 5| 7 1/2| 10
PROGRAMMING INSTRUCTIONS
- TO SET “ON” TIMES, place bright ON trippers against edge of CLOCK-DIAL at day-of-week and time-of-day when “ON” operations are desired. Tighten tripper screws securely.
- TO SET “OFF” TIMES, place dark OFF trippers against edge of CLOCK-DIAL at times when “OFF” operations are desired. Tighten tripper screws securely.
- TO SKIP DAYS, omit trippers for the day(s) automatic operations is/are not required.
- TO SET DIAL TO TIME-OF-DAY, turn dial CLOCKWISE and align the exact day-of-week and time-of-day (AM or PM) on dial with the TIME POINTER. Some allowance may be required to compensate for gear backlash.
CAUTION: DO NOT MOVE POINTER OR FORCE DIAL COUNTERCLOCKWISE.
OPERATING INSTRUCTIONS
- TO OPERATE SWITCH MANUALLY: Move MANUAL LEVER below CLOCK-DIAL left or right as indicated by arrows. This will not affect next automatic operation.
- IN CASE OF POWER FAILURE OR TO ADVANCE/RETARD TIME: Reset time-of- day, see step 4 of programming instructions.
For replacement parts contact Intermatic Customer Service or visit: www.intermatic.com
INTERMATIC INCORPORATED
SPRING GROVE, ILLINOIS 60081-9698
154–02085
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>