Toro NO FOUND TMC-424E User manual

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Toro Modular Controller - 4 to 24 Stations

♦ Installation

♦ Programming

♦ Operation

♦ Installation

♦ Programming

♦ Operation

User’s Guide

Introduction

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 adjust-

ment 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.

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 II (stations 5–8) and module III (stations 9–12). If module II is removed, stations

5–8 will be automatically assigned to module III. 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

Table of Contents

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 Programming

TM?..............................................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

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

1 - Program Switch

Four-position slide switch used to select

program A, B, C and D for 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 indicates 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, II and III, 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 program-

ming 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.

season adjust – 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 special-

ized setup and programming options

(see page 10 for details).

sensors – To select flow sensor

operation setup parameters.

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

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 infor-

mation including: start times, run times,

and season adjust %.

OFF – Shuts off and prevents all

automatic and manual watering operations.

5 - 9V Battery Compartment & Clip

A standard 9V battery is required for

Armchair ProgrammingTM and to maintain

clock time during an extended power loss.

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6 - Power supply compartment cover.

7 - Control module ribbon cable recep-

tacle.

8 - Transformer 24 VAC output connec-

tion 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

19 18 16

Programming Overview

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 B two

start times, program C four start times and program D no 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?

A 9V battery can be installed, enabling the control module to be fully programmed prior to installa-

tion – 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 interruption. Once

programmed, the battery can be removed or remain installed as preferred. Controller output

requires AC power input.

Controller Programming

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

A station 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.

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