Connecting A Pump Start Relay - Toro 53765 - Outdoor Ecxtra Sprinkler Timer User Manual

Connecting a Pump Start Relay

CAUTION: To prevent timer damage, ensure the
relay current draw does not exceed 0.30 Amps. Do
not connect the timer directly to the pump starter.
1. For pump relay wires, install a 1/2" conduit adapter
and conduit.
2. Connect a wire pair to the pump relay terminals and
route the cable through the conduit and into the timer
housing.
3. Connect one wire to the terminal labeled COM (12).
Connect the remaining wire to the terminal labeled
PUMP/MV (13) as shown below.
12
13
24 V a.c.
Pump Relay
CAUTION: To prevent pump damage due to
"dead-heading," connect a jumper wire from any
unused zone terminal to a zone terminal with a valve
connected.
Note: Refer to "Pump Control" section on page 29 for
important pump circuit control information.
12
Jumper Wire
Valve Common Wire
Connecting the Power Source
AC power wiring must be installed and connected
by qualified personnel only. All electrical compo-
nents and installation procedures must comply
with all applicable local and national electrical
codes. Some codes may require a means of discon-
nection from the AC power source installed in the
fixed wiring and having a contact separation of at
least 0.120" in the line and neutral poles.
Make sure the power source is OFF prior to con-
necting the timer.
1. Route the power and equipment ground wires from the
power source, through the conduit and into the timer
transformer compartment.
Note: The timer terminal block accepts wire size up to
14 gauge.
2. Remove 3/8" insulation from the wire ends.
3. Using a small flat blade screwdriver, secure the wires
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
4. Install and secure the transformer compartment
cover.
5. Apply power to the timer.
Note: The display will begin flashing 12:00
button to stop the display from flashing.
WARNING:
.
. Press any
AM