Hunter Pro-C User manual

PC Series
Modular Controller
Indoor/Outdoor Models
Owner’s Manual and
Installation Instructions
PROC®
Residential and Light Commercial
Irrigation Controller

3
SPECIFICATIONS
Operating Specications
• Station Count: Conventional wiring from 4 to 23 stations,
Two-wire EZ Decoder option up to 32 stations
• Station Run Time: 1 minute to 6 hours on programs
A, B, and C
• Start Times: 4 per program, three programs for up
to 12 starts
• Watering Schedule: 7-day calendar, interval watering up
to a 31-day interval or true odd or even day programming,
made possible by the 365-day clock/calendar
Electrical Specications
• Transformer Input: 120 VAC, 60 Hz
(230 VAC, 50/60 Hz for international use)
• Transformer Output: 24 VAC, 1 amp
• Station Output: 24 VAC, 0.56 amps per station
• Maximum Output: 24 VAC, 0.84 amps
(includes Master Valve Circuit)
• Battery: 9-volt alkaline battery (not included) used
only for non-AC programming; the non-volatile memory
maintains program information
• Battery, front panel, internal CR2032 lithium for
real-time clock
Cabinet Dimensions
Height: 9" (23 cm)
Width: 10" (21.5 cm)
Depth: 4 ⁄" (10.9 cm)
Outdoor cabinet is NEMA 3R, IP44 rated.
Default Settings
All stations are set to zero run time. This controller has a
non-volatile memory that retains all entered program data
even during power outages, without the need for a battery.
Cleaning
Clean only with cloth dampened with mild soapy water.

4
PROC COMPONENTS
A
B



   




 


5
PROC COMPONENTS CONTINUED
Main Display Indicates various times, values,
and programmed information
Year Identies current calendar year
Month Identies current calendar month
Day Identies current calendar day
Start Time Identies selected program
start time
Program Selector Identies the program in use:
A, B, or C
Station Number Identies currently selected
station number
Run Time
Allows user to set each valve
station run time from 1 minute
to 4 hours
Days of the Week Identies days of the week
to water or not water
Odd/Even Watering Identies if odd or even
watering days are selected
Interval Identies if interval watering
has been selected
Seasonal Adjustment
Displays in increments of 5% the
selected percentage of seasonal
adjustments
Running Indicates when watering occurs
Rain Drop Indicates watering will occur on
selected day
Crossed Rain Drop Indicates watering will not occur
on selected day
ALCD Display
BControl Buttons and Switches
+Button Increases the selected
ashing display
-Button Decreases the selected
ashing display
→Button
Advances the selected ashing
display to the next item, also use
to start a manual cycle
←Button Returns selected ashing display
to the previous item
PRG Button Selects programs A, B, and C;
also use to start a test program
Rain Sensor
Bypass Switch
Use to bypass weather “Clik-type”
sensors if one is installed

6
PROC COMPONENTS CONTINUED
D   
 










C
 


7
PROC COMPONENTS CONTINUED
CControl Dial
Run Normal dial position for
automatic operation
Set Current Date/
Time Set current date and time
Set Program
Start Times
Set 1 to 4 start times in each
program
Set Station Run Times Set each station run time
Set Days to Water
Select individual days to water,
odd, even or interval watering
schedule
Set Pump Operation Turn pump or master valve
on or o for each station
Seasonal Adjustment
Make global run time changes
without programming the
controller (from 5% to 300%)
Solar Sync®Allows user to program settings
when using Solar Sync ET sensor
Manual—Single
Station
Activates a one-time watering of
a single station
System O
Used to discontinue all programs
and stop all watering until the dial
is returned to the RUN position,
or to set the programmable rain
o feature
DWiring Compartment
9-Volt Battery
An alkaline battery (not included) allows
programming of the controller without
AC power
Reset Button This button will reset the controller.
All programmed data will remain intact
Power Area Used to attach transformer, sensor wires,
and other systems to the controller
SmartPort®
Input Terminals
Used to connect a SmartPort, which
enables Hunter remote controls
Transformer
A transformer is installed (outdoor
models only; indoor models are supplied
with a plug-in transformer)
Junction Box This box provides an area for connecting
primary AC power (outdoor models only)
Ground Lug For additional surge protection, connect
lug to earth ground
Sensor Terminals Used to connect Hunter Solar Sync or
“Clik-type” sensors
Power Slide Release to remove or insert Pro-C
modules

8
MOUNTING THE CONTROLLER TO A WALL
All necessary hardware is included for most installations.
1. Use the hole at the top of the controller as a reference and
secure a 1" (25 mm) screw into the wall. Note: Install screw
anchors if attaching to drywall or masonry wall.
2. Align controller with the screw and slide the keyhole
on top of the controller over the screw.
3. Secure controller in place by installing screws in the holes.
For PC-401-A: If the supply cord is damaged, it must be
replaced by the manufacturer or service agent or a similarly
qualified person to avoid hazard.
NOTE: The indoor Pro-C is not weather-
or water-resistant, and must be installed
indoors or in a protected area. This device
is not intended for use by young children.
Never let children play with this device.
The outdoor model is water- and weather-
resistant. Connecting the outdoor Pro-C
to the primary power should be done by
a licensed electrician following all local
codes. Improper installation could result
in shock or re hazard. This device is not
intended for use by young children. Never
let children play with this device.

9
CONNECTING AC POWER
Indoor Cabinet
Route transformer cable through the hole on the bottom left
side of the controller and connect one Yellow Wire to each of the
screws marked AC and the Green wire to GND.
Outdoor Cabinet
1. Route AC power cable and conduit through the ½" (13 mm)
conduit opening on the left side of the bottom of the cabinet.
2. Connect the wires to the transformer wires located inside the
junction box. International units are supplied with a built - in
terminal strip. Always use a UL listed conduit ½" (13 mm) male
adapter when installing the AC wiring.
3. Insert the adapter into the ½" (13 mm) hole at the bottom of the
controller. Attach a nut to the adapter inside the enclosure.
4. Connect a 9-volt alkaline battery (not included) to the battery
terminals and place in the battery compartment in the front
panel. The battery allows the user to program the controller
without AC power. Watering will not occur without AC power.
Since this controller has non-volatile memory, the program
clock and calendar will be retained during a power outage even
if no battery is installed.
 GND
(Green)
 AC1
(Yellow)
 AC2
(Yellow)

  
120 V 230 V
U.S.A. INTERNATIONAL
Outdoor Cabinet
 GROUND
(Green)
 NEUTRAL
(White)
 HOT
(Black)
Indoor Cabinet
To be performed by a licensed
electrician only.
Always use UL listed ½”( mm) conduit
with male adapter when installing AC
wiring. Pro-C/PCC controllers are
intended to be supplied AC power with a
A rated overcurrent protected device.

10
INSTALLING STATION MODULES
The Pro-C controller is supplied with a factory-installed base
module for up to 4 stations. Additional modules may be added in
increments of 3 stations (PCM-300), 9 stations (PCM-900), or
16 stations (PCM-1600). In total, a conventionally wired system
can be expanded up to 23 stations. Additional modules are sold
separately.
The Pro-C is also compatible with the EZ Decoder System
(EZDS) for hybrid conventional and two-wire operations. Add
a Pro-C Decoder Module (PC-DM) to enable control for up to
32 total stations. This system uses the same EZ-1 decoders
used with ICC2 and HCC controllers. For more installation and
programming details, please refer to the PC-DM Installation
Guide.
Installing PCM Modules
The Pro-C controller is designed with a simple-to-use “Power
Lock” feature that assures that the modules are energized and
firmly secured into the controller. The “Power Lock” can unlock
or lock all modules at once or at the same time by simply pushing
the “Power Lock” slide.
1. Slide the “Power Lock” into the “Power Off” (unlocked)
position. Insert the PCM or PC-DM modules into the
appropriate sequential position in the controller cabinet.
2. Once all of the modules are in place, slide the “Power Lock”
into the “Power On” (locked) position to energize and secure
the modules into the controller.
3. The Pro-C will automatically recognize the correct number of
stations. It is not necessary to press the reset button on the
back of the facepack or cycle power to the controller.
1–4
Conv.
5–32
Decoder
1–7
Conventional
8–32
Decoder
NOTE: To expand your controller to  or
 stations with a PCM- or PCM-,
respectively, install one PCM- in the
rst expansion slot (stations –). Then
install the PCM- or PCM- in the
upper two expansion slots. These modules
will not t or operate in any other station
output slot.

11
CONNECTING STATION WIRES
1. Route valve wires between control valve location
and controller.
2. At valves, attach a common wire to either solenoid wire
of all valves. This is most commonly a white colored wire.
Attach a separate control wire to the remaining wire
of each valve. All wire splice connections should be
done using waterproof connectors.
3. Route valve wires through the conduit and attach conduit
to one of the openings on the bottom of the cabinet.
4. Strip ½" (13 mm) of insulation from ends of all wires.
Secure the valve common wire to “COM” (Common) terminal.
Attach all individual valve control wires to the appropriate
station terminals.
COM
1
2
3
4
NOTE: The common terminal screw has
moved from the base module and is
now below the sensor terminals. Do not
connect the incoming common wires to
the P/MV terminal.

12
CONNECTING THE BATTERY OPTIONAL
Connect a 9-volt alkaline battery (not included) to the battery
terminals and place in the battery compartment in the front
panel. The battery allows the user to program the controller
without AC power. Watering will not occur without AC power.
Since this controller has non-volatile memory, the program clock
and calendar will be retained during a power outage even if no
battery is installed.
Activating the V Lithium Battery
After installing your Pro-C, make sure to remove the battery
contact insulator to allow the Pro-C to keep time in the event
of a power outage.
Replacing the V Lithium Battery
  
NOTE: Warning: Risk of re, explosion,
and electric shock. Replace battery
with CR  type only. Use of a
dierent battery has potential risk for
re, explosion, and electric shock. See
owner’s manual for instructions.
NOTE: When installing V lithium
battery, ensure the positive (+) side is
facing up.

13
Connecting a Master Valve (optional)
1
Master Valve
COM
P/MV
2
3
4
Connect either wire from Master Valve to the P/MV terminal.
Connect remaining wire to the “COM” (Common) terminal.
NOTE: When using a PC-DM, the P/MV
can be hardwired directly to the P/MV
terminal or programmed to operate via
the two-wire path. Refer to the PC-DM
Installation Guide for more information.

14
CONNECTING A PUMP START RELAY OPTIONAL
1. Route a wire pair from the pump relay into the
controller housing.
2. Connect the pump common wire to the terminal
slot “COM” (Common) and the remaining wire
from the pump relay to the P/MV terminal slot.
Relay holding current draw must not exceed 0.28 amps
(24 VAC). Do not connect the controller directly to the pump—
damage to controller will result.
PSR
P/MV
COM
15' (4.5 m) minimum
To pump
For more information on the installation of a PSR, please visit
the support page: https://hunter.direct/pumpstartrelay

15
CONNECTING A HUNTER “CLIK” WEATHER SENSOR NOT INCLUDED
A Hunter weather sensor or other micro-switch-type weather
sensors can be connected to the Pro-C. The purpose of this
sensor is to stop automatic watering when weather conditions
dictate.
1. Remove the metal jumper plate that is attached across
the two SEN terminals inside the controller.
2. Connect one wire to one SEN
terminal, and the other wire
to the other SEN terminal.
When the weather sensor
has deactivated automatic
watering, “OFF” will appear
on the display.

16
CONNECTING A HUNTER “CLIK” WEATHER SENSOR CONTINUED
Testing the Weather Sensor
The Pro-C provides simplified testing of a rain sensor when
the sensor is wired into the sensor circuit. You can manually
test proper operation of the rain sensor by using the One -
Touch Manual Start (see page 30). During the Manual cycle,
pressing the test button on the “Clik-type” sensor
(e.g., Mini-Clik®)will interrupt watering.
Manually Bypassing the Weather Sensor
If the rain sensor is interrupting irrigation,
you can bypass it by using the bypass switch
on the front of the controller.
Slide the switch to the Bypass position
to disable the rain sensor from the system
to allow for controller operation. You can
also bypass the weather sensor for manual operation by using
the Manual function. The Bypass switch does not affect the
Seasonal Adjust update when using the Solar Sync sensor.
NOTE: The Manual single-station function
ignores any attached sensor and will allow
watering to occur.

17
CONNECTING A HUNTER REMOTE NOT INCLUDED
The Pro-C is compatible with Hunter remote controls.
The SmartPort wiring harness (included with all Hunter
remotes) allows for fast and easy use of Hunter controls.
Hunter remotes make it possible for you to operate the system
without having to walk back and forth to the controller.
To Install the SmartPort Connector
1. Install a ⁄" PVC Slip x Slip x FIPT in the field
wiring conduit approximately 12" (30 cm) below the Pro-C.
2. Feed the red, white, and blue wires of the harness
through the base of the “Tee” and into the wiring
compartment as shown.
3. Screw the SmartPort harness housing into the “Tee”
as shown.
4. Attach the red wire to the screw slot marked AC1, attach
the white wire to the screw slot marked AC2, attach the
blue wire to the screw slot marked REM.
NOTE: P/N  can be used as
an alternate method to mount the
SmartPort connector.
NOTE: Reversing the red and white
wires will result in an “SP ERR” message.

18
CONNECTING A HUNTER REMOTE CONTINUED
12” / 30 cm
REM
(Blue)
AC2
(White)
AC1
(Red)
NOTE: Any extension of the wiring on the
SmartPort may result in an error message
in the controller display and possible
malfunction of the remote unit due to
radio interference. In some situations,
lengthening of the harness may work
ne, in others it may not work at all (it is
site specic). In either case, extending
the wiring harness should be done using
shielded cable to minimize the possible
eects of electrical noise. For easiest
installation, order the Hunter
SmartPort shielded cable wiring harness.
(P/N ROAM-SCWH) with a full ’ (. m)
of shielded cable.

19
CONNECTING TO THE HUNTER SOLAR SYNC®
The Solar Sync is a sensor system that, when connected
to Hunter Pro-C, will automatically adjust your controller
watering based upon changes in local climate conditions.
The Solar Sync utilizes a solar and temperature sensor
to measure on-site weather conditions used to determine
evapotranspiration (ET), or the rate at which plants and turf
use water. In addition, the Solar Sync sensor includes
a Hunter Rain-Clik and Freeze-Clik sensor that will shut
down your irrigation system when it rains and/or during
freezing conditions.
The controller will automatically increase or decrease watering
run times based on changes in weather. The result is a new
water-efficient irrigation product that promotes water
conservation and healthier plants. You simply program your
controller like you normally would, and the Solar Sync takes
over from there, eliminating the need to manually adjust your
watering schedule.
For installation and programming instructions of your Hunter
Solar Sync, please refer to the Solar Sync owner’s manual
or visit the Solar Sync support section on our website:
https://hunter.direct/solarsynchelp
hunter.direct/procwi

20
This controller is compatible with the Solar Sync and Wireless
Solar Sync systems. Solar Sync is a sensor system that will
automatically adjust the controller’s watering schedule (based
on changes in local climate condition) by using the Seasonal
Adjust function. The Solar Sync uses a solar and temperature
sensor to determine evapotranspiration (ET), or the rate at
which plants and turf use water, and also includes Hunter
Rain-Clik and Freeze-Clik technology that will shut down
irrigation when it rains and/or during freezing conditions.
Installing Solar Sync Sensor
Connect the Green and Black wire
from the Solar Sync Sensor to the
“SEN” wiring terminals on the
controller. It does not matter which
wire connects to which terminal. Turn the dial to the “Solar
Sync Settings” position. The display will initially show dashed
lines and then will show the default Region setting (3) on the
left and the default Water Adjustment setting (5) on the right.
Adjust the Region as needed by using the and buttons
(refer to page 21 for explanation of Solar Sync Region setting).
Use the button to advance to the right to adjust the Water
Adjust setting as needed (see page 22 for explanation of
Water Adjust setting).
Installing the Wireless Solar Sync
Connect the Green and Black wire from the Wireless Solar
Sync Receiver to the “SEN” wiring terminals on the controller.
It does not matter which wire connects to which terminal.
Turn the dial to the “Solar Sync Settings” position. The
display will initially show dashed lines and then will show the
default Region setting (3) on the left and the default Water
Adjustment setting (5) on the right. Adjust the region as
needed by using the and buttons (refer to page 13 for
explanation of Solar Sync Region setting). Use the button
to advance to the right to adjust the Water Adjust setting as
needed (see page 14 for explanation of Water Adjust setting).
Solar Sync Settings
Once the Solar Sync sensor is connected to the controller, two
numbers will appear in the display
when the dial is turned to the Solar
Sync Settings position. The number
on the left of the screen is the Region
setting, and the number on the right on the screen is the
Water Adjustment setting (as shown above).
CONNECTING A HUNTER SOLAR SYNCET SENSOR
NOTE: Solar Sync will apply a default seasonal adjust
value of 100% until the rst full day (24-hour period)
of weather measurements have been received from
the sensor.
NOTE: Enabling the Sensor Bypass switch has no
eect on the seasonal adjust updates from the
Solar Sync sensor. It will, however, bypass the Rain-
Clik and Freeze-Clik functionality of the sensor.

21
Region

For accurate Solar Sync measurements, the controller needs to
be programmed for the average peak season ET for your region.
Use the table below to determine your region.
The table will assist you in identifying the type of region you live
in. There are four basic ET regions, each with descriptions of the
region, along with typical ET and temperature characteristics. It is
recommended that, if possible, the region be chosen based upon
average July ET or peak summer ET (inches/mm per day).
Use the following table for choosing your region (reference below).
You can use methods A, B, or Cto help you choose which region is
best for your area:
A: Based upon the ET of your region using the average July ET
or peak summer ET (inches/mm per day). This is the preferred
option when selecting your region.
B: Based upon the temperature for your region using the average
July or the driest month high temperature (not the highest
temperature for July).
C: Based upon the general description of your region.
CONNECTING A HUNTER SOLAR SYNC ET SENSOR
• U.S. Northern States
• Coastal Regions
If the average July ET is
< 0.17" (4.3 mm) per day
If the average temperature for July is
65°– 75°
(18°C – 24°C)
If the average temperature for July is
75° – 85°
(24°C – 29°C)
• Mountains
• U.S. Northern Inland States
If the average July ET is 0.18" – 0.23"
(4.6 mm – 5.8 mm) per day
• U.S. Southern States
• Inland/High Desert
If the average July ET is 0.24" – 0.29"
(6.1 mm – 7.4 mm) per day
If the average temperature for July is
85° – 95°
(29°C – 35°C)
• Deserts
If the average July ET is > 0.30"
(7.6 mm) per day
If the average temperature for July is
95° – 105°
(35°C – 41°C)
* For Southern hemisphere locations, use the month of January.
Region
1
Region2
Region3
Region4
IF ANY OF THE CHOICES IN THE ROWS APPLY TO YOUR SITUATION, THEN THAT IS YOUR REGION SETTING CHOICE.
A B C
*For Southern Hemisphere locations, use the month of January.