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ESP-LXME Controller
MV Settings
The MV Settings option tells the ESP-LXME controller what type of
master valve (MV) is used by your irrigation system.
The ESP-LXME supports one master valve which must be set up in the
controller. Both Normally Open master valves (NOMVs) and Normally
Closed master valves (NCMVs) are supported.
Since Normally Open master valves (NOMVs) are always open, it’s
sometimes helpful to cycle them closed for a minute in order to
maintain the continuity of your valve diaphragms and solenoids. The
controller can be programmed to perform this task automatically.
Turn the controller dial to Station/MV Settings.
A
The Station/MV Settings screen appears. Press the Down Arrow
button to select MV Settings; then press Next.
B
The MV Settings screen appears. Press the + and – buttons to
select Normally Open or Normally Closed for the MV; then press
Next.
NOTE: Standard irrigation valves are Normally Closed (powered
to open). Normally Open valves are specialty valves that are
powered to close.
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C
Press the + and – buttons to enter the number of valves that are
connected to the master valve circuit; then press Next.
D
If the MV Valve Type is set to Normally Open, the NOMV Cycling
screen appears. Press the + and – buttons to enable NOMV cycling
and to select the start time; then press Next.
NOTE: The NOMV will be cycled closed for 60 seconds on the rst
day of each month. Since irrigation is suspended when the NOMV
is shut, choose a time when irrigation is not scheduled for this
operation.
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