TC-48EX-R - Controller Irritrol - Free user manual and instructions
Find the device manual for free TC-48EX-R Irritrol in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | Irrigation Controller |
| Brand | Irritrol |
| Model | TC-48EX-R |
| Number of Stations | 48 (expandable) |
| Power Input | 24 VAC (transformer included) |
| Dimensions (H x W x D) | 12 x 10 x 4 inches |
| Weight | 5 lbs |
| Enclosure Rating | NEMA 3R (weatherproof) |
| Programming | 7-day independent schedules, up to 4 start times per station |
| Rain Sensor Input | Yes, normally closed |
| Manual Operation | Manual start and rain override |
| Controller Type | Electronic, microprocessor-based |
| Display | LCD with backlight |
| Backup Battery | 9V battery (optional) for program retention |
| Maintenance | Clean with soft damp cloth; do not use solvents |
| Safety | Designed for outdoor installation; disconnect power before servicing |
| Spare Parts | Transformers, rain sensor modules, expansion boards available |
| Repairability | Modular design; replaceable power supply and main board |
Frequently Asked Questions - TC-48EX-R Irritrol
How do I set the current time and date?
Press the SET button until the display shows TIME. Use the + and - buttons to adjust. Press NEXT to move to date and repeat.
How many start times can I program per station?
Each station can have up to 4 start times per day, allowing multiple watering cycles.
What does the rain sensor do and how do I connect it?
The rain sensor pauses irrigation during rain. Connect the sensor wires to the RAIN SENSOR terminals (normally closed). When the sensor opens, the controller skips watering.
How can I manually start a station?
Turn the dial to MANUAL, press + or - to select the station, then press START. The station will run for its programmed duration.
Why is the display blank?
Check if the transformer is plugged in and the power switch is on. If the display is still blank, test the backup battery or replace the power supply.
Can I expand the controller beyond 48 stations?
No, the TC-48EX-R supports a maximum of 48 stations. Expansion modules are not available for this model.
How do I reset the controller to factory defaults?
Press and hold the SET and NEXT buttons simultaneously for 5 seconds until the display shows ALL CLEAR. This erases all program data.
What type of transformer is needed?
The controller requires a 24 VAC transformer rated at least 40 VA. Use only the Irritrol supplied transformer or an equivalent certified replacement.
How do I test a station without activating the entire program?
Use the MANUAL mode. Turn the dial to MANUAL, select the station, and press START. It will run for the programmed time.
Where can I find the user manual?
You can download the manual as a PDF from the Irritrol website or use the free manual service on this page.
User questions about TC-48EX-R Irritrol
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Controller in PDF format for free! Find your manual TC-48EX-R - Irritrol and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. TC-48EX-R by Irritrol.
USER MANUAL TC-48EX-R Irritrol
Manual assistant
Powered by Anthropic
Waiting for your message
Product information
Brand : Irritrol
Model : TC-48EX-R
Category : Controller