harvst WaterMate Manuel utilisateur
WaterMate
Setup and installation guide.
V6 control unit Doc version 6.3
Visit www.harvst.co.uk/setup for more information, videos and photos
System overview
Shown here with an optional transfer pump to bring water from a separate tank to your
polytunnel or greenhouse tank (available separately).
The kit is supplied with one air temperature sensor as standard. Further temperature sensors can
be added to monitor soil temperature as well as air temperature. Soil moisture and combination
air temperature / humidity sensors are also available separately.
The diagram above shows both the submersible pump option for the WaterMate Mini, and the
inline pump option for the WaterMate Pro. Alternatively a garden hose can be connected.
1
Contents - control & pumping parts
Control unit
Air temp sensor
Power supply
(mains model)
Solar panel
(solar model)
Braided inlet hose
4m mini / 6m pro
With 3 large jubilee
clips
Hose connector
Water valves
With 2 jubilee clips
Jubilee clip x3
13-23mm
WaterMate Pro pump & strainer
WaterMate Mini pump & filter
Water pump
Inlet strainer
Water pump
Inline filter
Optional extras, available via our website:
●Soil moisture sensors
●Pump extension cable (2m)
●Pump extension cable (10m)
●Solar panel extension cable (4m)
●Combined temperature and humidity sensor
●Greenhouse mounting plate for control unit
2
13mm distribution pipe
10m LDPE
x1 mini / x2 pro
Straight joiner
x2
End plug
x4
Elbow joiner
x4
Tee joiner
x2
Pipe fixing kits - depending on your choice at time of purchase
For greenhouses (P clips & bolts)
For polytunnels (wire & cable ties)
P-clip
x10
M6 nut
x20
M6 bolt
x10
Garden wire
30m x1
Or 10m x2
Tensioner
x2
Cable tie
x100
Micro-irrigation kit
Dripper
x24
360° Sprayer
x10
180° Sprayer
x10
4mm take-off
x12
4mm tap
x6
Tee joiner x24
Hole plug x10
Hole punch
Ground stake
x24
4mm hose
20m
Double 4mm barbed connectors may be supplied in place of the 4mm adapters, for joining 4mm
pipe to 13mm LDPE pipe.
3
How your smart watering system works
The electronic control unit is connected to a water pump placed in a water tank in the
greenhouse or polytunnel, or into an outside water butt. The pump is turned on automatically,
based on how you have chosen to set the system up.
You can use a combination of timers, soil moisture, and a “solar boost” to set up your watering
program.
●Timer - from twice a day, to once every 5 days. A straightforward timer routine is a good
baseline to work with. As the seasons change, update your program. Choose from 1
second to 3 minutes per watering.
●Soil moisture low - when soil is dry, water; great for those extra hot days. Itʼs possible
to run exclusively using a water-when-dry regime, though we recommend some regular
watering too.
●Soil moisture high - when soil is damp, skip watering. Saves water on cooler days and
prevents over-watering.
●Solar boost - The system knows when itʼs been a sunny day using the solar panel
voltage. If lots of sunshine combines with high temperatures, you can choose to give
extra water. A great fail-safe to prevent wilting on hot days (especially of fragile
seedlings).
Different watering for different plants.
Watering can be managed in two separate zones via an electric water valve, depending on whatʼs
growing in each zone. You might want misters or sprayers for seedlings on greenhouse staging,
and drippers for larger plants such as tomatoes or peppers. Or, you can water your two zones
based on how much water they need; a dryer zone for one plant and a wetter zone for another.
No mains power needed - runs fully off grid.
Power to the system is provided by an in-built battery, which is charged by the solar panel, which
means you donʼt need to have a power connection.
Settings and control.
Settings are managed on a smartphone via a WiFi signal, either provided by the control box itself,
or your home WiFi network if thereʼs one available. If the control box is within range of home
WiFi, you can also monitor and control your system from anywhere that has an internet
connection. You can also choose to receive email and/or SMS alerts when your water tank runs
out, when the temperature gets too cold, or too hot.
4
Getting to know your control system
Connections are shown above. Solar powered control boxes have a built-in battery, which must
be kept charged using the solar panel. As soon as you receive your WaterMate system, plug in the
solar panel and put it in a sunny location so that the battery is fully charged when you come to
set up and test.
If youʼre commissioning your system in winter, there may not be enough sun to keep your
battery charged for repeated testing. We sell a mains trickle charger for you to recharge the
battery fully.
The Harvst control unit is managed using a smartphone, tablet or your computer. There is a
button on the box itself for overriding the watering, but all other settings are managed via your
phone, tablet or computer.
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Mains WaterMate
If you have chosen the mains powered option, you will have extra output ports for either heaters,
grow lights, or extra pumps.
The control unit will need to be within 5m of a power socket.
WARNING : Do not use a temporary extension cable in a wet environment
6
Controlling your WaterMate
There are two ways WaterMate can operate: online and offline. Both require the use of a
smartphone, tablet or computer, with the ability to connect to a WiFi network.
Online mode
Offline mode
You have a WiFi network within range of
the control unit.
There is no WiFi network within range of
your control unit.
The unit operates autonomously, and
connects to the internet on a regular basis to
send information to your Harvst cloud
account, where you can view activity.
The unit operates autonomously, offline.
Events (such as watering, water tank running
out, low battery) are stored on the system for
you to check later.
Use the Harvst web app to update settings,
which are collected by the control unit each
time it sends an update.
Use the system control panel directly to
update settings and view recent activity.
Email and SMS alerts can be set up for
temperature, water tank and so on.
No alerts can be sent; there is no connection
to the internet or mobile network.
Online mode - connect via the internet
Offline mode - connect directly to the control unit
7
Online mode (WiFi network available)
All control units are shipped ready for online mode. For offline mode, skip this section.
Step 1
Turn the control box on. It will beep fast for 30 seconds or so. It will then change to a slow beep. It
is now transmitting a WiFi signal for you to connect to, so that you can tell the box which network
to use.
Step 2
Connect to the “harvst-wifi” network on your phone or tablet. When connected, you should be
prompted to “log into Wifi network” or similar, and be automatically directed to a screen step 3
below. If youʼre not automatically redirected, read step 6.
Step 3
Once connected to
ʻharvst-wifiʼ you should be
redirected to the first setup
screen (below). Click to
Configure WiFi. Wait while it
scans for networks.
Step 4
Click the Wifi network you
want your control box to use
so that it appears in the SSID
box, then enter the WiFi
password and hit Save.
Step 5
Once you have saved, the
control box will attempt to
join the network and youʼll
see the screen below. When
the unit connects, youʼll hear
a celebration beep then the
fast beeping will resume for
a short while, finishing with a
double beep to indicate that
WiFi is now connected.
If you don't get this set of
beeps, it may still have
registered the connection.
Turn the control box off and
restart the process if
required. Some networks do
require a couple of attempts
to join.
Step 6
If you are not redirected to the WiFi setup page when you connect to “harvst-wifi” in step 3 then
you will need to open an internet browser (eg Safari, Chrome) and go to http://192.168.4.1 which
will be the screen in step 3 above.
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Assign the control unit to your Harvst account
For online mode, you will need a Harvst web account (itʼs free). The control unit will send data to
the Harvst cloud, and your web account will let you view the data, and let you update settings
from anywhere.
First, youʼll need to get the control unit device ID. This is a unique 12 character code which is
printed on a sticker on the back of the unit. Alternatively, you can get the code from the device
control panel, accessed via your smartphone, as follows:
No device ID sticker?
Get the device ID from the dashboard
1. Hold the watering / wake button down while
you turn on the control box.
2. When itʼs on, youʼll hear a long beep. The long
beep indicates that it has booted up in offline
mode.
3. The control unit is now transmitting its own
WiFi signal with SSID “harvst-xxxx”. The
number is a unique reference for your system.
4. Using your smartphone or laptop WiFi
settings, connect to this network, and wait a
few seconds to be redirected to the device
dashboard *
5. Once youʼre on the device dashboard, click the
settings button at the bottom.
6. Note the device ID.
7. Disconnect from the Harvst WiFi
* If you are not redirected
automatically, once you have
connected to the network, you can
open an internet browser and go
to http://192.168.4.1
Sign up for a Harvst web app account
Reconnect to your usual WiFi or 4G data, and sign up for a Harvst account at
https://app.harvst.co.uk. If you already have an account, log in.
Assign the control unit to your account
1. In your Harvst web app, go to “My account”.
2. Click the grey button to assign a new device.
3. Input the device ID in, and give your new garden location a name and description.
4. Click on the save button.
A new garden location will be created and the control unit will be assigned to it.
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