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Manual Rainbird ESP-TM2 Water Computer

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Manual

ESP-TM2 Controller

Wiring Connections

Connect Valves

A

Route all eld wires through the opening at the bottom

of the unit, or through the knock-out in back of the unit.

Attach conduit if desired, as shown.

B

Connect one wire from each valve to one of the numbered

station terminals (1-12) on the controller, as shown.

C

Connect a eld common wire (C) to the common terminal

from each valve to the eld common wire, as shown.



NOTE: The ESP-TM2 controller supports one valve

solenoid per station terminal.

CONNECT

120 VAC

RESET

ACCESSORY

12345678

24VAC SENS

9101112

MASTER

VALVE

Connect Master Valve (optional)

D

Connect a wire from the master valve (M) to the master

valve terminal (M) on the controller. Then connect the

remaining wire from the master valve to the eld common

wire, as shown.

Connect Pump Start Relay (optional)

The ESP-TM2 can control a pump start relay, to turn the

pump on and oﬀ as needed.

A

Connect a wire from the pump start relay (PSR) to the

master valve terminal (M) on the controller. Then connect

another wire from the pump start relay to the eld

common wire, as shown.

B

To avoid the possibility of damage to the pump, connect

a short jumper wire from any unused terminal(s) to the

nearest terminal in use, as shown.

CONNECT

120 VAC

RESET

ACCESSORY

12345678

24VAC SENS

9101112



NOTE:

Connection

to pump

and external

power not

shown. Refer

to pump

installation

instructions.

PUMP START

RELAY

PSR



NOTE: The ESP-TM2 controller DOES NOT provide

power for a pump. The relay must be wired according to

manufacturer instructions.

Only the following Rain Bird pump start relay models are

compatible with the ESP-TM2:

Description Model # Volts

Universal Pump Relay PSR110IC 110V

Universal Pump Relay PSR220IC 220V

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