Description
Rain Bird ESP-4SMTei 4 Station Indoor Sprinkler Controller-With Smart Modular Control System
The Rain Bird ESP-4SMTei 4 Station Indoor Sprinkler Controller delivers simplicity and precision. Combining the proven simplicity of the Extra Simple Programming (ESP) controller family with the accuracy of weather-based control, this innovative system can now expand up to 22 zones. A smart controller should be smart enough to account for rainfall, right? Not always. In fact, most smart controllers simply suspend irrigation when it rains, without accurately measuring rainfall. By comparison, the Rain Bird ESP-4SMTei 4 Station Indoor Sprinkler Controller not only suspends irrigation, it measures instantaneous rainfall amounts, determines the effective rainfall and calculates exactly how much to adjust your watering schedule to prevent over-watering and under-watering. The ease and speed with which you can program this controller is remarkable. Simply input a few key specifics, such as your zip code, allowed watering days and the plant/soil type for each zone; the ESP-SMTe does the rest. Your irrigation system waters only when the landscape requires it. And you save 30-70% in water.
• Brochure
• Specifications
Features
Instant rainfall shut-off and useable measurement
A smart controller should be smart enough to account for rainfall, right? Not always. In fact, most smart controllers simply suspend irrigation when it rains, without accurately measuring rainfall. By comparison, the ESP-SMTe not only suspends irrigation, it measures instantaneous rainfall amounts, determines the effective rainfall and calculates exactly how much to adjust your watering schedule to prevent over-watering and under-watering.
The proven accuracy of weather-based scheduling
In designing the ESP-SMTe, we’ve simply reduced the cost and complexity of the weather-based control systems we began pioneering for golf courses over 25 years ago. Drawing on the industry-leading precision of these larger, more sophisticated units, the ESP-SMTe makes Rain Bird weather-based control affordable for homeowners—once and for all.
Expandable modular design
The Rain Bird ESP-SMTe can grow with your landscape, easily expanding from 4 stations up to 22 stations with the addition of optional hot-swappable expansion modules.
Zone-specific water calculations
Different plants have different watering requirements. That’s why the ESP-SMTe customizes each zone’s irrigation schedule. It factors in location, soil type, landscape slope, plant type/density, sun exposure, sprinkler type and root-depth requirements. Based on this zone-specific data, the ESP-SMTe controller optimizes the irrigation schedule to promote lush, healthy plant material in each part of your yard, while substantially reducing water waste and runoff.
Specifications
Sensor Dimensions (Largest Area Across)
• Width: 6.0”
• Length: 8.8”
• Height: 5.9” (includes Solar Shield)
Mounting Bracket (Mounted on Vertical Surface)
• Maximum reach: 7.0”
Electrical Specifications
• Input Required: 120VAC +/- 10%
• Multi-valve station capacity: Up to two 24VAC, 7VA solenoid valves per station plus a master valve
• Output: 25.5VAC 1A
• Power back-up: Lithium coin-cell battery maintains time and date while non-volatile memory maintains the schedule
• Surge Protection: Primary input side has (2) built-in MOV’s (metal oxide varistor) to protect circuitry. Output side has(2) built-in MOV’s for each valve station
