Connecting a Pump Start Relay
Connecting the Power Source
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.
WARNING:
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.
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.
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.
Jumper Wire
12
Note: The timer terminal block accepts wire size up to
14
gauge.
13
2.
3.
Remove 3/8" insulation from the wire ends.
Using a small flat blade screwdriver, secure the wires
as shown to the terminal block as follows:
2
Pump Relay
4 V a.c.
Valve Common Wire
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.
“dead-heading,” connect a jumper wire from any
unused zone terminal to a zone terminal with a valve
connected.
5. Apply power to the timer.
Note: Refer to “Pump Control” section on page 29 for
Note: The display will begin flashing 12:00 AM. Press any
1
2
important pump circuit control information.
button to stop the display from flashing.
| Categories | Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Language | English |
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| Wikipedia's Page | Toro Company |
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