Hit Products RainPro Expandable User Manual
Expandable Controller
3, 7, 11, 15 stations
Installation and Programming Guide
January 25, 2006
Hit Products Corporation
556 S. Mirage Avenue
Lindsay, California 93247 U.S.A.
www.rainproco.com
1
Table of Contents
Mounting the controller 3
Connecting power source 4
Connecting valves wires to controller 4
Master Valve/pump start wiring 5
Installing station modules 5
Installing 9V DC battery 6
Rain sensor wiring 6
Default program 7
Programming the controller 8
Input current date and time 8
Program start times 9
Station run times 10
Water calendar, days on/off 11 through 13
Dial position functions 14
• Run
• Rain off
• Manual station
• Manual Program
• Quick step manual start
Water Budget 15
Master valve/Pump start options 16
Rain Delay 16
Pause between stations 17
Resetting or erasing memory 17
Trouble shooting guide 18
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MOUNTING THE RAIN PRO CONTROLLER
Indoor
1. Locate the controller within 5 feet of a standard
electrical outlet that provides continuous,
uninterrupted power. Do not install controller within 15
feet of a pump, pump start relay or any high power
junction boxes or electrical motors.
2. Choose desired location and install one screw for top
keyhole into wall. Use screw anchors if attaching to
drywall or masonry.
3. Hang controller on this screw. Mark wall for two
remaining screws holes and install screws accordingly
to secure controller to the wall. Use screws anchors if
attaching to drywall or masonry. Do not over tighten.
Outdoor
1. Select desired location that is at least 15 feet away
from a pump, pump start relay or any high voltage
junction boxes or electric motors.
2. Choose desired location and install one screw for top
keyhole into wall. Use screw anchors if attaching to
drywall or masonry.
3. Hang controller on this screw. Mark wall for two
remaining screw holes and install screws accordingly
to secure controller to wall. Use screws anchors if
attaching to drywall or masonry. Do not over tighten.
Note: The controller should be hard wired to the transformer
by a qualified electrical technician. Use approved GFI device
and use proper grounding techniques utilizing the green wire
lead from the transformer. Install as per all local codes. This
will help assure safety as well as performance and reliability
of the controller.
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CONNECTING POWER SOURCE
1. Leave electrical power unattached until all valve wires
and modules are installed in the controller.
2. When attaching power, transformer must be
connected utilizing wire nuts and/or other locally
approved connections per code.
3. A switching means should be provided in the supply
conductors with an air gap separation in each pole
Note: Some models are fitted with a power lead. This may be
used when connecting to a standard electrical outlet.
CONNECTING VALVE WIRES TO THE CONTROLLER
1. Connect wire from each valve to the desired
corresponding number on the terminal. Route all
valve wires through the large hole in the bottom right
of the controller.
2. Connect the remaining valve wire from all valves to
the “com” or common terminal. It is suggested to use
a different color wire for the common wire to help
keep organized. “Common” wires may be bundled or
wired together with all other common wires from the
valves to the “Com” terminal of the controller.
3. Wire sizing should be of a significant size to allow a
maximum of 5 volts drop between the controller and
the valves. Use Ohm’s Law to calculate wire voltage
drop. Higher operating pressures require higher
voltage (less voltage loss) at the valve.
Note: All in-field wire splices should be made using
waterproof, gel-filled Hit Products DBC-Y type connectors or
equivalent.
4
MASTER VALVE/PUMP START WIRING
If a master valve or pump start relay is being used in
conjunction with this controller, wire as follows.
1. Route two wires from the master valve or pump start
relay up through the bottom right side large hole.
Connect one wire to the “P/MV” terminal and one to
the “Com” terminal.
2. if using a pump relay, it must be;
• Located at least 15 feet from the controller.
• Have a maximum rated inrush current less
than 350MA at 24VAC.
• Properly sized for your application
Hit Products offers a wide range of pump start relays
for most applications that are compatible with the
Rain Pro controller.
Note: DO NOT connect controller directly to pump.
Controller will be damaged if controller is connected
directly to a pump.
INSTALLING STATION MODULES
The Rain Pro controller is shipped from the factory
with one 3 station module installed. This is supplied
for valves #1, #2 and #3. Additional modules can be
purchased separately and are easily installed to
increase the controller stations in 4 station
increments, from 3 stations, to 7 stations, to 11
stations and to a maximum of 15 stations.
1. Insert additional module(s) in the terminal strip
area of the controller as needed. Slide each
module from right to left. Firmly slide module in
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until it clicks into place. Each module will add 4
stations of additional capacity to the controller.
Install modules in sequence from bottom to top
leaving no gaps.
9V DC BATTERY REMOTE PROGRAMMING
WITHOUT AC POWER
Installing a 9V DC battery on the back of the controller face
plate will allow the controller faceplate to be removed from
housing and can be programmed without being attached to
the controller or any AC power source. The AC power source
is required before any valve activation will commence. The
9V DC battery is necessary to keep the “Current Date/Time”
active. Without the 9V DC battery, power loss will lose
“Current Date/Time” and “Current Date/Time” will have to be
reset upon power resumption.
SENSOR WIRING
A rain sensor or any type of normally closed microswitch sensor may be used in conjunction with this
controller. Sensor activation will interrupt controller
output to valves.
1. Route two wires from the sensor through the
bottom of the controller and connect one each
to the two “SEN” terminals. Remove the jumper
wire between these terminals if one exists.
2. The “Rain Sensor” switch on the front of the
face plate can override the sensor if in the
“OFF” position.
Note: If the “Rain Sensor” switch on the front of the
faceplate is in the “ON” position and no sensor is
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