CONNECTING A RAIN SWITCH SENSOR
The Custom Command is designed for use with a normally closed rain
sensor or “Rain Switch.” (Refer to page 6 for additional important rain
switch information.)
Figure 6
To connect the rain switch sensor:
1.
Route the two wires from the
sensor into the cabinet through
the field wire access opening.
Jumper
Wire
2.
Connect the wires to the
“SEN SOR” terminals in either
Normally
Closed
Rain Switch
order. See Figure 6.
Note: Refer to the installation
instructions provided with the
sensor for additional
information.
Earth Ground
CONNECTING AN EARTH GROUND
A power surge is a sudden rise in voltage on the power main line. It is
then often followed by a drop in voltage as the power line equipment
tries to protect area users. A lightning strike on the power grid is the
most common cause of power surges and can be damaging to the
controller. *Surge protection is built into the Custom Command PC
board to reduce the potential for surge damage by shunting the voltage
to earth ground. Therefore, an important step in the installation
process is to properly connect the controller to an earth ground
source, especially if the controller is located in a lightning-prone area.
*Note: The Custom Command international units are manufactured
without output surge protection. If output surge protection is required,
contact your local Toro dealer for assistance.
Caution: The built in surge protection components cannot
effectively protect the controller circuitry from power surge unless
properly connected to an earth ground source.
To connect an earth ground:
1.
Route a 12–16 gauge (2.0–1.0mm ) solid copper wire in the
2
shortest and most direct path from the “EART H GN D” lug,
located on the controller’s terminal board (see page 3,item 19) to
an earth ground source such as metal (not plastic) water pipe or
copper-clad ground rod. See Figure 6.
2.
Clamp the bare wire securely to the pipe or ground rod. Make sure
the wire contact area is free of dirt and corrosion.
Installation Procedures
23
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| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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