Toro TMC-212 manual Connecting a Pump Start Relay Connecting the Power Source

Page 14

Connecting a Pump Start Relay

 

Connecting the Power Source

 

 

 

CAUTION: To prevent controller damage, never

WARNING

connect an auxiliary pump starter directly to the

AC power wiring must be installed and connected

controller’s 24 VAC output. A 24 VAC 0.50A relay,

by qualified personnel only. All electrical compo-

must be used to connect the controller to the pump

nents and installation procedures must comply

starter circuit.

 

 

with all applicable local and national electrical

1. Route a wire pair from the pump relay into the

codes. Some codes may require a means of discon-

controller housing.

 

 

nection from the AC power source installed in the

2. Connect one wire to the terminal labeled COM (8).

fixed wiring and having a contact separation of at

Connect the remaining wire to the terminal labeled

least 0.120" (3mm) in the line and neutral poles.

PUMP/MV (9) as shown below.

Make sure the power source is OFF prior to con-

 

 

 

 

necting the controller.

 

 

 

1. Route the power and equipment ground wires from

 

Jumper Wire

the power source, through the conduit and into the

 

controller transformer compartment.

 

 

 

 

Note: The controller terminal block accepts wire size

 

 

up to 12 AWG (4 mm2).

 

 

 

2. Remove 3/8" (10 mm) insulation from the wire ends.

 

 

3. Using a small flat blade screwdriver, secure the wires

Pump Start Relay

Valve Common Wire

as shown to the terminal block as follows:

Line or Line 1 (L1) to L, Neutral or Line 2 (L2) to N

 

 

 

 

and Equipment Ground to

.

CAUTION: To prevent pump damage due to

4. Install and secure the transformer compartment cover.

prolonged dead-head pressure, connect a jumper wire

5. Apply power to the controller.

 

from an unused station terminal to a terminal with a

 

Note: The display will begin flashing 12:00 a.m. Press

with a valve connected.

 

 

any button to stop the display from flashing.

Note: Refer to “Pump Control and Well Recovery” section

 

 

12on page 28 for important pump circuit control information.

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Contents TMC-212 Page Table of Contents Controller Components Controller ComponentsControl Dial Positions LCD DisplayControl Buttons Wire connector for the valve common wire Controller Components Controller Installation Indoor Model InstallationConnecting the Valves Master Valve Common Station Wire ValvesConnecting a Pump Start Relay Connecting the Plug-in TransformerPage Installing the Cabinet If applicable to the terminal labeled PUMP/MV Connecting a Pump Start Relay Connecting the Power Source Connecting a Rain Sensor optional Important Do not use ENB and NC switchGetting Started Irrigation System Basics Valve HouseWatering Program Basics Watering Program Details Setting Program Start Times Setting the Station Run TimeFilling Out the Watering Schedule Form Planning Your Watering ScheduleGuidelines for Watering Example Program a Program B Program C Programming the Controller About the Watering Program MemoryPage Setting an Interval Schedule Turn the control dial to the Watering Days positionSetting an Odd or Even Schedule Using the Day Exclusion Feature Turning Off a Program Setting Program Start Times Setting Station Run Times Setting Pump Start/Master Valve ControlDisplay will be flashing P On Pump On Automatic Mode Controller OperationOperate Selected Stations Manual ModeOperate Watering Programs Adjust the Operating Station Run Time Watering Control FeaturesCancel Watering Pause WateringRain Delay Feature Season Adjust % Feature Turn Off Controller Operation To clear the memory of all programs To clear and reset memory of a selected programClearing the Program Memory About Automatic Circuit Protection Adding a 2-station Expansion ModuleUsing Pump Start/Master Valve and Well Recovery Controls Example Troubleshooting Specifications Warranty Toro Promise Limited Three- or Five-year Warranty
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