ET8115C - Switch INTERMATIC - Free user manual and instructions
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| Product Type | Programmable Timer Switch |
| Brand | Intermatic |
| Model | ET8115C |
| Dimensions (H x W x D) | 4.0 x 1.8 x 1.2 inches (approx.) |
| Weight | 0.3 lbs (approx.) |
| Power Source | 120-277 VAC, 60 Hz |
| Maximum Load | 15 A resistive, 10 A tungsten, 1 HP motor |
| Number of Programs | Up to 7 on/off events per day (7-day programming) |
| Display Type | LCD with backlight |
| Battery Backup | Yes, retains time settings during power outage |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Mounting | Wall box, fits standard single-gang switch box |
| Wiring | Single-pole or 3-way compatible |
| Certifications | UL Listed |
| Maintenance | Wipe clean with dry cloth; no user-serviceable parts |
| Safety | Built-in surge protection; use with proper grounding |
| Spare Parts | Not available separately; replace unit if defective |
| General Information | Designed for indoor use only; not for use with dimmers |
Frequently Asked Questions - ET8115C INTERMATIC
How do I program the ET8115C timer switch?
To program, press the PROG button, set the time and day using the + and - buttons, then select on/off times for each day. Refer to the manual for detailed steps.
What should I do if the display is blank?
Check if the circuit breaker is on and the switch is correctly wired. If the display remains blank, the unit may be defective and needs replacement.
Can the ET8115C be used with 3-way switches?
Yes, the ET8115C supports both single-pole and 3-way wiring configurations. Follow the wiring diagram in the manual.
How do I reset the timer to factory defaults?
Press and hold the RESET button (usually a small pinhole) for 5 seconds using a paperclip. This clears all programmed settings.
What is the maximum load capacity?
The switch can handle up to 15 amps resistive load, 10 amps tungsten, or 1 HP motor. Do not exceed these limits.
Does the timer have a battery backup?
Yes, it includes a built-in battery that keeps time and settings during short power outages. The battery is not user-replaceable.
Why does the timer not follow my schedule?
Ensure the time and day are set correctly. Check that the schedule is properly entered and the timer is in AUTO mode, not MANUAL.
Can I use this switch with LED lights?
Yes, it is compatible with LED lights, but ensure the total wattage does not exceed the switch's rating.
How do I override the timer temporarily?
Press the MODE button to switch to MANUAL ON or OFF. The switch will override the schedule until the next programmed event.
What does the 'RANDOM' feature do?
The RANDOM function varies on/off times by up to 30 minutes to simulate occupancy, providing security when away.
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