Control unit ESP-ME 4-22 Modular


Rain Bird® Control unit ESP ME-4-Modular
With 4-station base model, expandable up to 22 stations
Automatic starts: 6 per day per program with up to 24 start times
Width: 27.2 cm
Height: 19.5 cm
Depth: 11.2 cm

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Control unit ESP-ME 4-22 Modular - Rain Bird®

Rain Bird Controller ESP-4-Modular with 4-station basic model, expandable up to 22 stations,
automatic starts: 6 per day per program with up to 24 start times, width: 27.2 cm, height: 19.5 cm, depth : 11.2 cm

Program-based planning-4 individual programs with independent start times per program; a total of 24 start times possible
Advanced diagnostics and short circuit detection with LED warning
Calculation of the total runtime
Large LCD display with easy-to-navigate user interface
Rain sensor input with deactivation option
Master valve / pump start circuit
Permanent program memory (100 years)
Remote programming by means of 9 V battery (not included in delivery)
Irrigation plan options: By day of the week, UNGERADE calendar days, EVEN calendar days or cyclically (every 1-30 days)
Contractor default TM Program - Save / restore saved programs
Rain sensor bypass after station
Calculation of the total runtime by program
Manual watering at the touch of a button Irrigation delay up to 14 days (only for stations that do not  ignore the rain sensor)
Manual irrigation option by station or program
Seasonal adjustment for all programs or single program
Adjustable delay between valves (default = 0)
Main valve on / off to station


Number of programs: 4
Automatic starts: 6 per day and program; up to 24 start times
Programming Plans:
7-day week
Straight day
Odd day +/- 31
Suspend day permanently
Station runtime: 1 minute to 6 hours for all stations
Delay between stations from 1 second to 9 hours Seasonal adjustment: 5% to 200%
Max. Operating temperature: 65 ° C

Electrical data

Required input voltage: 230 VAC, 50 Hz
Output: 25.5 VAC 1A
/ Pump Start Relay
Max. Inrush current coil: 11 VA
Max. Holding current coil: 5 VA
Uninterruptible power supply not required. The non-volatile memory permanently secures the current programming, and a lithium battery (10-year lifespan) secures the controller's date and time settings during power outages


Width: 27.2 cm
Height: 19.5 cm
Depth: 11.2 cm


ESPSM3: Expansion module (3 stations)
ESPSM6: Expansion Module (6 stations, not backwards compatible with previous models)

More Information
Product type Control units
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