K-Rain KRX8 User manual

5
WARRANTY
User
Manual

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Contents
Overview 4
Controls 4
Key Features 5
Installation 6
9V Battery 6
Power Supply 7
Installing Holman Home 8
Adding your KRX8 to Holman Home 9
Adding your KRX8 using EZ Mode 13
Adding your KRX8 using AP Mode 14
Field Wiring 15
Setting up your KRX8 in Holman Home 16
Mounting the Unit 18
Checking Connected Zones 19
Controls 20
KRX8 Home Screen 20
Start Settings 21
Zone Settings 22
Manual Watering 23
Device Information 25

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Inputs/Outputs 26
App Integration 26
Rain Sensor 27
Pump Connection 28
Additional Notes 30
Offline Device 30
Time Zones 30
Holman Home Automations 31
Test Function 31
Wi-Fi Signal Strength 32
9V Battery Notification 33
Troubleshooting 34
Warranty 39
Contents
iOS is a trademark of Apple Inc. Android is a trademark of Google LLC. The
Android robot is reproduced or modified from work created and shared by
Google and used according to terms described in the Creative Commons 3.0
Attribution License. All other content is Copyright©HolmanIndustries2022
Please be sure to read through all the instructions
before attempting to use your controller
Model no: KRX8

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Overview
Controls
1. MAIN DIAL
2. Indicator LED ring
3. START button
4. STOP button
5. SENSOR SWITCH
1
3
2
4
5
ÁDo not disassemble
this product. There are
no serviceable parts
inside. Some internal
components can run at
elevated temperatures
and touching these
could cause burns

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Key Features
LWi-Fi control with
Holman Home via
iOS®or Android®
L8 ZONES can be added
to the 4 START times
LScheduling options:
7DAYS, INTERVALDAYS,
ODDDAYSincl. 31st,
ODD DAYS excl. 31st,
EVEN DAYS, with misting
LMax. 15 day rain delay
L11:59 hr max. RUN
TIME per ZONE
LZONE and multi-zone
(sequential)
MANUAL control
LOn-board MANUAL
controls: START and
STOP, including shut-off
with the MAIN DIAL
LM-205 fuse rated at 1A
for power spike protection
LMemory backup power
requires 9V battery
(sold separately)
LIP54 rated housing
with lockable door
LTo drive a pump
contactor, this controller
must be installed with
a low current relay
Overview

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9V Battery
1. Open the controller
housing door
2. Remove the terminal
cover using the two
tabs as shown (a)
3. Locate the 9V battery
snap (b) below the
terminal block
4. Connect a 9V battery to
the snap, and fit below
the terminal block (c)
5. Replace the terminal cover
to house the battery
Installation
a
c
b

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Power Supply
®This unit runs off a 240V
50Hz single phase outlet,
drawing 30W at 240V AC
LInternal transformer:
Reduces 240V AC
to extra low voltage
supply of 24V AC
LFully compliant with
AS/NZS 61558-2-6
L1.25A low energy,
high efficiency toroidal
transformer for long life
LInput: 24V AC 50/60Hz
Output: Max 1 amp
LTo stations:
24V AC 50/60Hz.
0.5 amp max
LTo master/pump:
24V AC 0.25, amp max
LTransformer and
fuse capacity must
be compatible with
output requirements
ÁAny electrical installation must be carried
out in accordance with these instructions
all Local, State and Federal codes
Installation

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Installation
Installing Holman Home
1. Download Holman Home
to your mobile device
via the App Store
or Google Play
2. Open Holman Home
on your mobile device
®You may be prompted to
allow notifications–the
app can still function if
you choose to opt out
3. Tap SIGN UP
4. Read our User Agreement
and Privacy Policy
and tap AGREE if you
wish to proceed
5. Follow the prompts to
register a Holman Home
account with your
email address
ÁEnsure your country
details are correct
at this stage
®You may be prompted
to allow access to
your location. This
allows the app to show
weather information-it
will still function if you
choose to opt out

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Installation
Adding your KRX8 to Holman Home
1. Before attempting to
connect your KRX8 to
Holman Home, ensure:
• 9V battery connected
• KRX8 is close
to your router
• Bluetooth on your
smartphone is active
2. Open the HOME screen
in Holman Home
and tap  (d) and
ADD DEVICE (e)
3. If your KRX8 appears
in the DISCOVERING
DEVICES... section(f),
tap ADD (g)
®If your KRX8 does not
appear here, refer to
EZMODE and AP MODE
connection methods
for further assistance
d
fg
e

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Installation
4. In the following screen, tap
(h) next to your KRX8
®Holman Home will ask
to access location data;
tap SETNOW (i) to share
this with Holman Home
®Alternatively, to connect
without sharing location,
tap MANUAL INPUT(j)
5. Enter the Wi-Fi NAME(k)
and PASSWORD (l)
of your Wi-Fi network
as necessary and
tap NEXT (m)
Adding your KRX8 to Holman Home
j
h
m
i
k
l

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Installation
®It may take a few minutes
for your KRX8 to add to
Holman Home; please
wait for the progress
dial (n) to finish
6. Once the connection
process is complete,
Holman Home will
confirm it has successfully
added your KRX8 (o);
tap DONE to access the
main KRX8 screen
®On first use, the KRX8
interface will need a
moment to initialise (p)
Adding your KRX8 to Holman Home
n
p
o

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Installation
7. Once initialisation
is complete and the
KRX8 is connected,
the KRX8screen
will display; tap (q)
to return to the HOME
screen of Holman Home
8. Your KRX8 will now
be shown on the
HOME screen under
ALL DEVICES (r)
Adding your KRX8 to Holman Home
q
r

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Installation
Adding your KRX8 using EZ Mode
ÁFollow these
instructions if
your KRX8 does
not appear in the
previously mentioned
DISCOVERING
DEVICES... dialogue
1. In the ADDDEVICE
menu, tap
K-RAINPRODUCTS (s)
2. In the
K-RAINPRODUCTS
menu, tap KRX8 (t)
3. On the following
connection screen, tap
BLUETOOTH (u)
and select EZ MODE(v)
from the subsequent
drop-down menu
s
v
u
t

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Installation
Adding your KRX8 using AP Mode
1. Ensure your smartphone
mobile data is switched off
before trying AP MODE
2. In the connection screen,
tap EZ MODE (w)
and select AP MODE(x)
from the subsequent
drop-down menu
3. Work through the
following prompts in
Holman Home to
complete the AP MODE
connection process
4. Work through the following prompts in Holman Home
to complete the EZ MODE connection process
Adding your KRX8 using EZ Mode
x
w

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Installation
Field Wiring
ÁDisconnect all 240VAC power before commencing
any field wiring or solenoid valve connection
LStrip approx. 6mm of insulation and place under the loosened
screw, tighten gently and check the cable is firmly held
1. Connect one cable from the terminals to each solenoid valve
2. Complete the circuit by looping a common cable to all
valves and connecting to the COMMON (C) terminal
135 7
C
MASTER
VALVE
PUMP ST1 ST2 ST3 ST4 ST5 ST6 ST7 ST8
COM COM COM
TEST SENS COM C P 12 3 4 5 6 7 8
1 2 3 4 5 6 7 8

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Installation
Setting up your KRX8 in Holman Home
1. Set up the ZONES
i. Name each ZONE
ii. Choose the
WATERING MODE–
NORMAL (default)
or MISTING
®For MISTING, set
the desired ON TIME
and DELAY TIME
iii. Decide which ZONES
are to be included
in a WATERING
DELAY (not included
by default)–refer to
ZONE SETTINGS for
more information
2. Set up the STARTS
i. Enable each START
ii. Choose the START
TIME and WATERING
ROSTER
®For INTERVAL DAYS,
note the DEVICE
INFORMATION
screen will list how
many days to water
iii. Select the appropriate
ZONES and amend
the RUN TIMES

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Installation
3. Set up the MANUAL
WATERING run time
for each ZONE
®This run time is used
when you press START
on-board the controller
for each ZONE
®This run time is
used in SCENE
AUTOMATION when
you switch a ZONE on
4. Set the MAINDIAL
position–for STARTS
to water, ensure it is
set to RUN, otherwise
ensure it is OFF
5. Set up any INPUTS
such as rain or humidity
sensors–refer to INPUTS
for more information
6. Set up either
TAP-TO-RUN or
AUTOMATIONS to enable
the WATERING DELAY
where appropriate
Setting up your KRX8 in Holman Home

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Installation
Mounting the Unit
®Position the unit in a place that is convenient
for valve wiring and near a power source
LInstall near a 240V AC outlet
LWe recommend mounting the unit at eye level
1. Drive a #8 screw into the wall, leaving approx. 4mm
exposed. Use a toggle bolt or masonry plug if necessary
2. Hang the unit from the key at the back,
ensuring it is properly seated
3. Optional: Remove the terminal cover to add additional screws
through the holes in the lower corners for extra stability

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Installation
Checking Connected Zones
1. Open Holman Home, enable START A
and select the ZONES to be tested
2. Turn the MAIN DIAL to TEST
3. Press START on the controller
• Activated ZONES in any START will run for
2minutes, sequentially from ZONE 1 to 8
• If no ZONES are activated in any STARTS,
the test function will not run
®To skip a ZONE during the process,
press START on the controller
4. Once completed, turn the MAIN DIAL to RUN or OFF

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Controls
KRX8 Home Screen
®Within the KRX8 interface,
tap KRX8 (a)
®This page displays info
for your KRX8, including
WATERING status (b),
STARTS status (c),
WATERINGDELAY
settings (d), and DEVICE
status (e)–note the
icon will turn red
when your battery
needs replacing
®Enable or disable
all STARTS by
using the ALLOW
ENABLED STARTS
TO WATER switch (f)
®All STARTS can also be globally enabled or disabled by
setting the MAIN DIAL to RUN or OFF respectively
a
e
b
c
d
f