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373-0402 TMC-212 UG-E:373-0319 TCM 212 Doc2 8/5/08 10:06 AM Page 18
Planning Your Watering Schedule
It is generally helpful to organize your initial watering
schedule on paper before beginning the programming
steps. The information can be recorded on the Watering
Scheduling form located inside the cover of the outdoor
controller or on the blank form provided on page 20.
Guidelines for Watering
There are several factors to considered when determin-
ing how much to water. For example, the soil composi-
tion, the type of lawn and plants, exposure to sun and
shade and the rate at which the sprinklers apply water.
Because of these variables, an exact schedule can not
be provided. Some trial and error will be required to find
the best watering schedule, but here are some general
watering guidelines to help you get started.
• Water two or three hours before sunrise. You will have
the best water pressure at this time and evaporation
will be minimal.
• With a new lawn, water frequently for a short duration
to keep the soil and plants moist at all times until
established. Cut back on watering if runoff occurs.
• With an established landscape, water enough to
saturate the plants and soil without causing runoff.
Gradually cut back watering over a period of time until
you notice signs of plant stress. Increase watering
gradually just enough to regain plant health and vitality.
This watering method enables a healthy landscape to
be maintained using the least amount of water.
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Filling Out the Watering Schedule Form
• Location - Identify the portion of the landscape
watered by each station.
Note: Enter the following information for each program
(A, B and C). If a program is not needed, leave its
information column blank.
• Watering Day Schedule - For a Calendar schedule,
circle the day(s) of the week that watering is desired.
For an Interval schedule, circle the desired Interval
number. For Odd or Even days, simply mark the appro-
priate box. If you need to restricted watering on certain
days, circle the excluded day(s).
• Station Time - Indicate the amount of run time (1 minute
to 4 hours) for each station. Write "Off" for any station
that you do not want to assign to the program.
• Well Recovery Delay Time - See "Setting Pump
Start/Master Valve and Well Recovery Controls" on
pages 28–30 and 38–39 for detailed information.
• Program Start Times - Indicate the time(s) of day
to start the program. Each program can have up to
four assigned start times.
Note: The TMC-212 runs one program watering cycle
at a time. Within the cycle, only one station runs at a
time. Therefore, when scheduling multiple programs
and/or multiple start times per program, make sure that
each program watering cycle can run to completion
before the next program cycle is scheduled to start. A
program that attempts to start during an active watering
cycle will be delayed until the active watering cycle
ends. If the program is delayed past Midnight, it will be
canceled if the day is restricted from watering or is not
a scheduled watering day.
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