The unit I have is 20 years old. ET70415CR. When we lose power the unit has to be reprogrammed. There is no button battery in it that I can see. Is the newer version of this unit have a battery. .? The manual says it has and needs replaced every 8 years?

2 comments:

Mr. Anderson

March 15, 2025

Yes, the newer version of the Intermatic ET70415CR has an 8-year lithium battery that needs to be replaced.

This answer is automatically generated

Ron McLean

March 15, 2025

@Mr. Anderson

Summary of Contents for Intermatic ET70415CR

Page 1: Table Of Contents
Installation Date ______________________ Battery Replacement Recommended _______________________ (8 years after installation) http://www.intermatic.com Intermatic Plaza, Spring Grove, Illinois 60081-9698 Printed in U.S.A. ©Copyright 2001 Intermatic Inc. 158ET9624 Next Generation Models ET70415CR, ET70415CR24 Vol. 4 INSTRUCTIONS • INTRODUCTION • LED Display • RESET •...
Page 2: Introduction
INTRODUCTION This easy to program microprocessor-based time switch provides flexible 24-hour, 7 day or full year load control. Its unique “self-prompting” feature simplifies programming by leading you through with flashing prompts. The 2 rows of LEDs on the left side flash and indicators in the digital display light while you are programming to identify information that needs to be entered.
Page 3: Set Up
S E T U P SET UP is performed once during installation to set the internal CLOCK, ASTRO (sunrise/sunset) times and HOLIDAY references. After entering and okaying the ASTRO Zone, the timer will display calculated “center of time zone” times when prompting for sunrise and sunset entries. You may OK these, enter actual sunrise/sunset times or enter offset times for early or late ASTRO operation.
Page 4 interval or pulse duration, then press OK. Remember INTVL or PULSE override is initiated on demand via the keypad and is not based on a day and time, as is normal INTVL or PULSE. To initiate an override interval or pulse first set the RUN/SET switch to RUN and set the switch for the desired load to Enable, then press the ON/OFF key for the load you wish to override.
Page 5 (Clock adjustment for Daylight Savings Time (DST) is automatic; see Special Instructions for override if DST adjustment is not required, such as in Arizona, Hawaii and parts of Indiana. The clock time will be adjusted by 1 hour on the first Sunday of April and the last Sunday of October at 2:00 A.M.
Page 6: Load Controls
The display will show the selected day followed by COPY. Now key in the day you wish to copy to and press OK to confirm. Select and OK additional copy to days as required. Four rules need to be followed when using COPY: 1) You cannot copy to a day that has already been programmed.
Page 7: Reviewing/Revising Data
INSTRUCTIONS FOR REVIEWING/REVISING DATA REVIEW PROCEDURE • Place the RUN/SET switch in the SET position to review. • You must review Clock info (day of week, time, date), Astro and Holiday dates in SET UP mode. • You must review all load activity (Fixed times, Astro times, Pulse operations, Interval operations and special “Holiday”...
Page 8: Revise Program Data
REVIEW INDIVIDUAL DAY, DAY GROUP, OR COPIED ACTIVITIES • Press PROG, then press the day key (SUN/1 through SAT/7) or the day group key (wkDY/8, wkND/9 or ALL/0) to select the day or day group to review. NOTE: If you have entered data as a day group and attempt to review any of the days individually, the message “End of Review”...
Page 9: Revise/Delete Holiday Schedules And Dates
review. You must revise the data by reviewing the appropriate individual day, day group, or "copied from" day. • During automatic review, the OK key must be used to pause the display before the displayed data can be deleted. • After any program data is cleared, review is terminated. The timer is now in the program mode for the selected day, anticipating a new entry.
Page 10: Battery Backup
owner wants to offset actual sunrise time by having lights switch off 30 min. late, press CLEAR, CLEAR, CLEAR (deletes automatic center of zone calculation; display now shows --:--) and 8, 0, 3, OK (selects new offset sunrise time). The time switch now displays the calculated center of time zone sunset time of -5:13 P.M.
Page 11: Switching Times
SWITCHING TIMES Day/Day CIRCUITS SWITCH ON SWITCH OFF PULSE INTVL Group 1 2 3 4 SWITCHING TIMES ASTRO Day/Day Group Override CIRCUITS SWITCH ON SWITCH OFF PULSE INTVL 1 2 3 4 ASTRO Override Next Generation...
Page 12: Holiday Reference
HOLIDAY REFERENCE # (Up to 99 holidays or holiday durations can be programmed) HOLIDAY START Month/Date HOLIDAY SWITCHING TIMES HOLIDAY CIRCUITS SWITCH ON SWITCH OFF PULSE INTVL Month/Date Ref # 1 2 3 4 NOTE: Holidays not programmed for switching times will automatically skip all load activities normally associated with the day(s) that the holiday(s) occur.
Page 13 PACIFIC HAWAII ASTRO ZONES After the astro zone is entered the approximate sunrise and sunset times Albuquerque for the center of the time zone will be Atlanta displayed. Depending on your location Baltimore relative to the center, you may want to Bangor, ME change (offset) this time.
Page 14: Special Instructions
SPECIAL INSTRUCTIONS Enclosure Mounting The top mounting hole on the enclosure bracket is slotted; it is not necessary to remove the power module unless you want to change the input voltage. If the change is required to meet your available voltage, remove the power module before mounting the enclosure.
Page 15 SPECIAL INSTRUCTIONS Changing Power Input Voltage– Multi Volt Model ET70415CR This model can be powered by any industry standard 120V 50–60Hz AC voltage, 120 208V 240V 277V to 277 V. To change from the 120VAC factory setting, locate the voltage selector...
Page 16: Typical Wiring Configuration
TYPICAL WIRING CONFIGURATION Multi-Volt Model (ET70415CR) WARNING: If timer power supply voltage is 208/240/277V, you must move the input voltage selector jumper on the power board. See Special Instructions. Circuit #1 Circuit #2 Timer Power Equipment Ground To Optional Remote Override...
Page 17: Troubleshooting
TROUBLESHOOTING Problem Solution(s) Display Does • Make sure flat cable is properly plugged into the Not Light rear of the logic module. Refer to “Re-installing logic module” in Special Instructions. If connec- tor will not install easily, check for bent pins. •...
Page 18 Problem Solution(s) • This timer provides an automatic 15 sec. delay between successive circuits when programmed to switch at the same On time. Use the Inter- val or Pulse features to eliminate if required. NOTE: ASTRO switching times change daily according to changing Sunrise and Sunset.
Page 19: Error Messages
Problem Solution(s) Switch On/ • After any Pulse or Interval entry, the Switch Off Display On or Switch Off LED does not alternate, Doesn’t since most Pulse or Interval applications Alternate require only ON or OFF. Press OK without a During time entry to alternate the Switch On/Off Programming...
Page 20 ERR 19 The date does not agree with the previously entered day of the week–review and correct one of the entries. ERR 20 Holidays may not end before they start and they must end by Dec. 31. ERR 21 The selected holiday has already been used–Press REVIEW to see its definition.

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