MC-12E - Controller Irritrol - Free user manual and instructions
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| Brand | Irritrol |
| Model | MC-12E |
| Product Type | Irrigation Controller |
| Number of Stations | 12 |
| Power Input | 120 VAC, 60 Hz (transformer included) |
| Transformer Output | 24 VAC, 1 A |
| Dimensions (W x H x D) | 8.5 x 6.0 x 3.5 inches |
| Weight | 2.2 lbs |
| Mounting | Indoor wall-mount (optional outdoor enclosure available) |
| Programmable Features | 3 independent programs with 4 start times each; seasonal adjust; rain delay |
| Controller Type | Electronic, non-WiFi |
| Display | LCD screen with backlight |
| Rain Sensor Input | Yes (normally closed) |
| Backup Battery | 9V alkaline (not included) for program retention |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Enclosure Material | ABS plastic |
| Wiring Terminal Type | Removable screw terminals |
| Compliance | ETL listed |
| Included Accessories | Instruction manual, mounting screws |
Frequently Asked Questions - MC-12E Irritrol
How many stations does the Irritrol MC-12E support?
The MC-12E supports up to 12 stations. You can connect up to 12 irrigation zones.
Does the MC-12E have a rain sensor connection?
Yes, it has a rain sensor input for a normally closed sensor. When the sensor detects rain, it will suspend watering.
What type of battery backup does the controller use?
It uses a 9V alkaline battery (not included) to retain programs in case of power loss. The battery compartment is inside the front panel.
Can I set multiple start times per program?
Yes, each of the 3 programs (A, B, C) allows up to 4 start times per day, giving you flexibility for different zones.
Is the controller outdoor-rated?
The MC-12E is designed for indoor mounting. If you need outdoor installation, use a weatherproof enclosure (sold separately).
How do I clean and maintain the controller?
Clean the exterior with a soft, damp cloth. Do not use harsh chemicals or water directly on the electronics. Ensure the unit is disconnected from power before cleaning.
What voltage does the controller require?
It operates on 120 VAC household power via the included transformer. The output to the vales is 24 VAC.
Can I adjust watering duration seasonally?
Yes, the controller has a seasonal adjust feature that lets you increase or decrease watering times by a percentage without changing individual programs.
Is the MC-12E Wi-Fi enabled?
No, it is a non-WiFi electronic controller. All programming is done from the front panel.
What should I do if the display is blank?
Check that the unit is plugged in properly and the wall outlet is live. If still blank, replace the 9V backup battery and try again. If problem persists, consult the manual or contact support.
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USER MANUAL MC-12E Irritrol
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Product information
Brand : Irritrol
Model : MC-12E
Category : Controller