Electronic 4-Circuit
Astronomic 365/7-Day Time Switch
Installation and Setup Instructions
With 100-Hour Backup
Federal Communications Commission (FCC) Notice for ET2000 Series Time Switches
Description
This document explains the setup and conguration of the Intermatic ET2845
4-Circuit Electronic Astronomic 365/7-Day Time Switch. The ET2845 time switch
automatically switches loads according to the weekly schedule that is entered.
The time switch can support up to 48 xed ON and 48 xed OFF events (96 total)
and up to 8 Astro events. Each xed event can be applied to any combination of
circuits and days.
The time switch features an LCD and panel-mounted control buttons to set,
review, and monitor the time switch functions, including setting date and time,
schedule creation, enabling or disabling Daylight Saving Time (DST) and
conguring DST switchover dates.
Follow these instructions to complete the installation and programming of the
ET2845 time switch.
This device complies with part 15 of the FCC rules. Operation of this device is subject to the following two conditions: (1) This device
may not cause harmful interference, and (2) This device must accept any interference, including interference that may cause
undesired operation. This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses and radiates radio frequency energy and, if
not installed and used in ac-cordance with instructions, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference that requires the user to correct at his or her own expense.
MODELS ET2845C, ET2845CR, ET2845CP
Shown in indoor/outdoor
lockable metal enclosure
NOTICE
• Do NOT touch circuit board components, contact can create a static discharge, which can damage these electronic components.
• Disconnect power at the circuit breaker(s) or disconnect switch(es) before installing or servicing.
• More than one circuit breaker or disconnect switch may be required to de-energize the equipment before servicing.
• For plastic enclosures, bonding between conduit connections is not automatic and must be provided as part of the installation.
• Installation and/or wiring must be in accordance with National and Local Electrical Code requirements.
• Use #14-#8 AWG wires, rated at least 105°C - COPPER conductors ONLY.
• If the power disconnect point is out of sight, lock it in the OFF position and tag it to prevent unexpected application power.
• Make sure there is no wire insulation under the terminal plate on the time switch connector. Firmly tighten terminal screws.
• For outdoor locations or wet locations (rain-tight), conduit hubs that comply with requirements of the UL514B (standard for fitting conduit and
outlet boxes) are to be used.
• Do not remove insulator that is covering terminals.
• Do NOT exceed maximum current carrying capacity.
• KEEP DOOR CLOSED AT ALL TIMES when not servicing.
Risk of Fire or Electric Shock
WARNING
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