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Toro Modular Controller - 4 to 24 Stations
Toro Modular Controller - 4 to 24 Stations
Installation
Programming
Operation
User’s Guide
User’s Guide
Installation
Programming
Operation
TMC424_UGE_466A 12/14/07 4:51 PM Page i
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The TMC-424E Series takes modularity to a whole new level. Toro’s advanced
modular technology combines sophisticated features with simple operation to
provide a customizable controller. Station count can be 4 – 24 stations, using four-
or eight-station modules. Real-time flow sensing monitors up to three independent
sensors and is compatible with the Toro TFS Series flow sensors. Versatile run
times allows for additional watering flexibility. Add this together with features like
two levels of surge protection, compatibility with the TMR-1 Maintenance Remote,
the rugged dual-use cabinet, and convenient program review feature, and you
really do have the ultimate in controller Flexibility.
TMC-424E controller features:
• Advanced hybrid control module featuring easy-to-use dial interface
• Non-volatile memory–retains program data without battery backup
• Four fully-independent watering programs
• Concurrent operation of up to three automatic programs
•16 unique start times allotted to programs in any combination of 0–16
•Program cycle and soak option provides 1–30 repeat cycles and soak time
delay from 1 second to 60 minutes
•Day scheduling by Calendar days, 1–31-day Interval or Odd/Even days with
selective day exclusion
• Station run time adjustable form 1 second to 8 hours
• Season Adjust by program and by month from 0–200% (automatic split-cycle
watering for adjustment over 100%)
•Rain delay to postpone automatic watering operation from 1–14 days
• Master valve/pump start operation assignable by program or station
• Programmable well recovery/station delay from 1–60 seconds or 1–60 minutes
•Flow monitoring and alert parameters for 1– 3 flow sensors.
•Output current watchdog feature detects overload/short-circuit condition and
automatically bypasses suspect station(s).
• Optional Normally Open master valve control on flow sensing modules
•Manual operations by station and program
• Review feature quickly recaps all program information
• 12-or 24-hour time designation
• Programming display prompts selectable in English, Spanish, French,
German, Italian or Portuguese
• Valve test feature for quick station and system check
•Equipped for optional Toro rain sensor models TRS, TWRS and TWRFS,
Toro TMR-1 handheld maintenance remote and Toro TFS Series flow sensors.
Introduction
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The unique TMC-424E Expansion Modules are color-coded for easy identification.
The modules can be mixed and matched in any combination and are available in
six models as indicated in the table below.
The Expansion Modules can be installed and removed at any time without powering
down the controller. The TMC-424E will gain instant access to the module and will
logically number the stations based on module position.
For example, if three 4-station modules are installed, the stations will be numbered
1–12: module I(stations 1–4) module I I (stations 5–8) and module I I I ( s t a t i o n s
9–12). If module I I is removed, stations 5–8 will be automatically assigned to
module I I I.All stations will remain in sequence without gaps.
Getting Started
As an initial step, we recommend that you take a few moments to browse through
various sections of this User’s Guide. Also, take the time jot down some basic
watering program and station information on the Watering Schedule form provided.
Having this information readily at hand will be very helpful during the initial controller
setup and programming procedures.
Note that the Watering Schedule form provides a convenient pocket for the User’s
Guide and Quick Reference Guide when folded and attached to the inside of the
cabinet door.
iii
Model Color Station Surge Surge Flow Flow Monitor Master Valve
Number Code Count Level Icon Monitor Icon Control
TSM-4 Gray 4 Standard No No
TSM-8 Gray 4 Standard No No
TSM-4H Beige 4 High No No
TSM-8H Beige 4 High No No
TSM-4F Blue 4 High Yes Yes
TSM-8F Blue 4 High Yes Yes
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iv
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
Control Module Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Internal Component Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Programming Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
What is a Watering Program? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
What is a Program Watering Cycle? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
What is Armchair ProgrammingTM? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Controller Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Set Current Time and Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Select the Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Set Station Run Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Set Program Start Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Set Watering Day Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
To Set Calendar Days . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
To Set Odd or Even Days . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
To Set Interval Days . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Season Adjust Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Setting Station Delay Time Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Setting Master Valve/Pump Start Options . . . . . . . . . . . . . . . . . . . . . . . . . .10
To Select MV/PS Operation by Program and Station . . . . . . . . . . . . . . .11
To Set MV/PS Start Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
To Set MV/PS Operation During Station Delay . . . . . . . . . . . . . . . . . . . .11
Setting Watering Cycle Repeat Option . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Setting Program Stack/Overlap Option . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Erase Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Selecting Handheld Remote Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Selecting Display Language Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
12/24-hour Time Display Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Selecting Run Time Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Table of Contents
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Manual Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Manual Station Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
True Manual Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Timed Manual Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Manual Program Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Single Program Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Multiple Program Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Flow Sensor Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Select Fill Delay Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Select Flow Sensor Module Master Valve Type . . . . . . . . . . . . . . . . . . . . .17
Select Flow Rate Alert Thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Rain Sensor Control Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Rain Sensor Timed Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Rain Sensor Control by Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Valve Test Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Rain Delay Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Program Review Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Cabinet Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Field Wire Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Flow Sensor Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Power Connection – Indoor Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Power Connection – Outdoor Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Rain Sensor Installation (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Toro TMR-1 Handheld Remote Installation (Optional) . . . . . . . . . . . . . . . .27
Appendix A – TFS Flow Sensor Performance Data . . . . . . . . . . . . . . . . . .28
Appendix B – TMC-424E Current Load Data . . . . . . . . . . . . . . . . . . . . . . . .29
Appendix C – Display Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Appendix D – Default Settings - Abbreviations . . . . . . . . . . . . . . . . . . . . .31
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
The Toro Promise - Limited Warranty Information . . . . . . . . . . . . . . . . . . .33
FCC Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Customer Care You Can Count On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
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2
1 - Program Switch
Four-position slide switch used to
select program A,B,Cand Dfor
set up, review and manual control.
2 - Digital Display
a -Station run time icon.
b -Start time icon.
c -Program identifiers.
d -Prompt displayed with Interval
schedule length
e -Flow sensor icon displayed with
flow sensor expansion module
f -% symbol displayed when the
Season Adjust function is active.
g -Water drop icon i n d i c a t e s
current watering activity. Icon
with slash indicates automatic
operation is disabled (Off, station
disabled or Rain Delay function.
h -Prompt displayed to indicate
current day within an Interval
watering day schedule.
i -Expansion module dock identifier
(I, I I and I I I, left to right).
j -Hollow circles represent the
station terminals of an installed
4-or 8-station expansion module.
Station positions of the current
operating station or stations
assigned to a program are
indicated by a solid circle.
k -Indicates the station number or
start time number is currently
shown in the 2-digit numeric
display (directly above).
l -2-digit display identifies the
station number or start time
number currently selected.
3 - Navigation Buttons
The and buttons are used
to select function menu items.
All numeric, On/Off, and Yes/No
values are selected with the
and buttons.
4 - Function Dial
Turns in either direction to select
the following operating, control,
and programming functions:
RUN – The normal position for
automatic controller operations.
CURRENT TIME/DAY – To set
clock time, day and date.
STATION TIMES – To set station
run time.
START TIMES – To set program
start times.
CALENDAR DAYS – To set
program watering day schedule
by days of the week.
ODD/EVEN– To set program
watering day schedule by Odd
or Even numbered days.
S E A S O N A D J U S T – To adjust run
time of all stations within a program
and/or program within a month
from 0 to 200% in 10% increments.
SPECIAL FUNCTIONS – To select
specialized setup and programming
options (see page 10 for details).
The following brief descriptions of the controller components and display
elements are provided for general overview. Each of these items are explained
in detail within the appropriate section of this guide.
Control Module Overview
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SENSORS – To select flow
sensor operation setup parameters.
MANUAL PROGRAM – To operate
watering programs manually.
MANUAL STATION – To operate
individual stations manually.
VALVE TEST – To manually
test valve operating sequence
using a temporary run time.
REVIEW – To recap all program
information including: start times,
run times, and season adjust %.
OFF – Shuts off and prevents all
automatic and manual watering
operations.
5 - 9V Battery Compartment & Clip
As t a n d a r d 9 V battery is required
for Armchair ProgrammingT M a n d
to maintain clock time during an
extended power loss.
cdefg
h
i
j
k
l
23
1
5
4
a
b
TMC424_UGE_466A 1/22/08 5:00 PM Page 3

4
6 - Power supply compartment
cover.
7 - Control module ribbon cable
receptacle.
8 - Transformer24 VAC output
connection terminals
9 - MR-1 remote connection port.
10 - Rain sensor bypass switch.
11 - Auxiliary port (not enabled).
12 - Flow sensor expansion
module (model TSM-8F
indicated).
13 - Flow sensor wiring terminals
14 - Flow module master valve
wiring terminal.
15 - Expansion module valve
wiring terminals.
16 - Expansion module
(model TSM-4 shown).
17 - Wiring connection terminals:
S- Rain Sensor (2).
Hot Post (24 VAC source)
P- Pump Start/Master Valve
C- Valve (field) Common (2)
18 - Optional Earth Ground Lug
Attachment Screw.
19 - Input power wire connection
terminals:.
L- Line (mains 1)
N- Neutral (mains 2)
-Ground
Internal Component Overview
6
19 18 16
17
15
14
13
12
11
8
7
10
9
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What is a watering program?
In basic terms, a watering program is a small set of instructions that tells the
controller which days will be active for watering, when to start a watering cycle, and
how long each station will operate during the cycle. The TMC-424E series has four
independent watering programs identified as A,B,C, and D.
Separate programs are usually used to group stations with similar landscape or
watering attributes or to provide a way to segment specific site conditions, such as
north-facing slopes or shaded turf areas. As you can see, the availability of four
programs allows you to have unique watering programs for your varied landscape
needs. Multiple programs can be designated to operate one at a time or can
overlap operated in sequence or concurrently with up to three programs at the
same time.as you choose. This feature enables more watering to be completed
within the prime watering time, which is generally between midnight and 6:00 a.m.
What is a program watering cycle?
When a program start time is selected, that time becomes the beginning of an
automatic watering cycle. A watering cycle operates each station with an
assigned run time duration in the program, one by one, in numeric sequence
from the lowest to the highest station number.
The TMC-424E provides up to 16 watering cycle start time slots that can be
assigned to the four programs in any combination. For example, program A
could have 10 start times, program Btwo start times, program Cfour start times
and program Dno start times. Any combination up to 16 start times is permitted.
NOTE: A Watering Schedule Form is provided for your convenience. Use this
form to plan and record your automatic watering information. Keep the card
handy for reference by attaching it inside the cabinet cover.
What is Armchair ProgrammingTM?
A9V battery can be installed, enabling the control module to be fully
programmed prior to installation – in the comfort of your favorite easy chair.
1. Slide and lock the expansion module(s) into position.
2. Attach a 9V battery to the control module battery clip and stow the battery in
the slot provided. (See item 5 on page 3.)
3. With the Function Dial in the RUN position, press the button to acquire
the expansion module configuration (note the displayed module identifier).
4. To remove the control module from the cabinet, disconnect the ribbon cable
at the cabinet, then press the top hinge in to release the module.
5. Program the controller starting at Setting Current Time and Date on page 6.
NOTE: The 9V battery powers the microprocessor during an extended AC inter-
ruption. Once programmed, the battery can be removed or remain installed as
preferred. Controller output requires AC power input.
Programming Overview
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NOTE: English display prompts and 12-hour (a.m./p.m.) time format are factory-
default settings. To select an optional display language, including Spanish, French,
Italian, German and Portuguese, and/or a 24-hour time format, refer to the Special
Function setup procedures on page 13.
Set Current Time and Date
1. Turn the Function Dial clockwise to Current Time/Day . The hour digits will
begin flashing.
2. Adjust the display by pressing the or buttons.
NOTE: Hold either button down for rapid advance.
3. Press the button to select the next field.
4. Repeat steps 2 and 3 to set the current minutes, year, month and day
(current weekday will be set based on calendar setting).
5. Return the Function Dial to RUN when finished.
Select the Program
NOTE: If the controller has been previously programmed, the user-defined
program settings can be quickly erased and reset to factory defaults. See “Using
the Program Memory Erase Feature” on page 13.
To simplify the programming process, the following procedures are provided to
define the operating parameters of one program at a time.
To begin, set the program switch to select program A,B,C, or D.
Set Station Run Time
Astation is assigned to the selected program when it is given a run time
duration. The station can have only one run time assignment per program, but
can have a separate run time assignment in each program. By default, station
run time is defined in minutes and hours. To enable station run time to include
seconds, see “Station Runtime Display Format” on page 13.
1. Turn the Function Dial to Station Times .
2. Press the or button to select the station number.The corresponding
station output terminal will be shown on the display as a solid circle.
3. Press the or buttons to adjust the station run time from Off (-- -- --)
to 1 minute – 8 hours (in 1-minute increments). If seconds format is enabled,
station run time can be set from 01–60 seconds.
NOTE: Hold either button down for rapid advance.
4. Repeat steps 2 and 3 for all stations to be assigned to the selected program.
Controller Programming
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