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Connecting a Pump Start Relay
CAUTION: To prevent timer damage, ensure the
24 VAC pump relay current draw does not exceed
0.30 Amps. Do not connect the timer directly to the
pump starter.
1. Route a wire pair from the pump relay into the timer
housing.
2. Connect one wire to the terminal labeled COM (10).
Connect the remaining wire to the terminal labeled
PUMP/MV (9) as shown below.
CAUTION: To prevent pump damage due to
back pressure, 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 control information.
Connecting the Plug-In Transformer
CAUTION: Do not plug the transformer into an
electrical outlet until all of the wiring procedures have
been completed.
1.
Route the cord from the transformer (13) through the
small opening provided in the base of the housing as
shown below.
2. Connect one transformer cable wire to each terminal
labeled 24 VAC (8). The wires can be connected to
either terminal.
Note: When power is applied to the timer, the display
will begin flashing 12:00 am. Press any button to halt
flashing.
8
SENSOR
24 VAC
MANUAL
START
ON
NEXT
OFF
8
13
SENSOR
24 VAC PUMP/MV COM
MANUAL
START
ON
NEXT
OFF
24 VAC Pump
Start Relay
10
9
Jumper Wire
Valve Common Wire