BL-KR
Bluetooth Battery Powered
Irrigation Controller
K-Rain Manufacturing Corp.
www.krain.com
BL-KR V1.0 BL-KR V2.0
INSTRUCTIONS FOR USE
01
IMPORTANT:
For use only with 9V DC Latching Solenoids. As some solenoids will come from the
manufacturer with the plunger already magnetically latched open, some zones will
default to OPEN. Follow the start-up procedure for systems with DC Latching
Solenoids. (Page 09)
For every change to the program in the Mobile App, you must exit back to the home
screen and tap the blue TRANSMIT button (bottom right corner). The Application
aggregates changes and transmits them to the controller when you have nished
programming.
Programs A, B, and C are independent programs, including start times, run times,
watering days, and water budget.
1. Install the App:
From the App Store or Google Play Install the free K-RainBL App:
2. Install a 9 Volt Battery in the Controller:
Unscrew the cap, remove the seal and fasten the battery to the correct terminals.
Replace the seal and cap and hand-tighten the cap to ensure it seals.
NOTE: Before you launch the App, you will need to enable locations services
on your phone/tablet in order for the App to geolocate your device during
installation. On Android, location services must be enabled in order for the
App to connect to the BL-KR device.
3. Launch the application on
your Smartphone or Tablet.
4. Associate the controller with your phone
by tapping the Add a Controller button.
The BL-KR battery powered irrigation module communicates with the K-Rain BL
Application on a Smartphone or Tablet by using Bluetooth SMART 4.0, (low energy)
on an iPhone with iOS version 7 minimum or an Android phone/tablet with
Marshmallow version 6.0 or higher.
02
5. The app will now ask what type of Bluetooth
device you would like to add:
NOTE: The BL-KR V1.0 and BL-KR V2.0 have
identical hardware and software congurations.
The only distinction is the outside plastic housing.
6. The App will now search for devices in range.
7. Choose the Controller. The serial numbers
that populate the device list can be found on
the label located on the back of the controller
housing with the designation “Default name.”
The App will indicate that it is in the process
of connecting.
8. Once the device is connected, it will appear on the
home screen when you launch the Application.
Application Home Screen:
NOTE: You can associate up to 400 devices with the K-Rain BL-KR App. The
number of devices is limited to the internal memory on the Smartphone/Tablet.
Device Home Screen:
To add another
controller, tap the
plus sign in the
upper right hand
corner of the
home screen.
CONNECTING SOLENOIDS/ACCESSORIES:
1. Mount the unit in/on the valve box.
2. Use only 9V solenoid pulse coils (K-Rain Part Number P3008114)
NOTE: Some DC latching 9 V coils come from the manufacturer already latched.
Please follow the start-up procedure for DC latching solenoids on page 09.
3. Wiring a rain sensor: Cut the yellow wire loop and install the rain sensor.
Use Normally closed rain/freeze sensors.
Wiring Solenoid
9V Solenoid Pulse24 Vac
13 mm
1/2"
13 mm
1/2"
03
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