Harvst WaterMate Instructions d'utilisation et de sécurité

WaterMate

Setup and installation guide

V7 upwards control unit

Doc version 9

Contents

Part 1 - Contents.............................................................................................. 2

Part 2 - System overview...................................................................................4

Control unit....................................................................................................................6

Dual zone valves............................................................................................................ 6

Water supply.................................................................................................................. 6

Irrigation parts............................................................................................................... 6

Operating mode - online or oﬀline?..............................................................................7

Part 3 - The control unit.................................................................................... 8

Solar powered systems................................................................................................. 8

Mains powered systems.............................................................................................. 10

Controlling your WaterMate........................................................................................ 11

Setting up : Online mode.............................................................................................12

Setting up : Oﬀline mode.............................................................................................14

The Harvst web app.....................................................................................................15

Manual watering / override......................................................................................... 16

Automatic watering..................................................................................................... 17

Low water alerts...........................................................................................................19

4-season environment control (heating and lighting)............................................... 20

Part 4 - Installation......................................................................................... 21

Install the water valves................................................................................................ 22

Assemble and mount the water pump (Pro model)...................................................23

Fit the water pump (Mini model)................................................................................ 24

Installing sprayers, emitters, drippers etc.................................................................. 25

Mount the control box................................................................................................. 27

Mount the solar panel..................................................................................................27

Pipe installation in a polytunnel................................................................................. 28

Pipe installation in a greenhouse................................................................................30

Regular maintenance.................................................................................................. 32

Specifications...............................................................................................................32

Part 1 - Contents

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 pipe fitted

Jubilee clip x3

13-23mm

WaterMate Pro pump & inlet strainer

WaterMate Mini pump & inline filter

Water pump

Inlet strainer

Water pump

Inline filter

Optional extras, available via our website:

●Pump extension cable (4m or 10m)

●Solar panel extension cable (4m)

●Wireless temperature and humidity sensor

●Greenhouse mounting plate for control unit

13mm distribution pipe

10m LDPE

x1 mini / x2 pro

Straight joiner x2

End plug

Elbow joiner

Tee joiner

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

Cable tie

x100

Micro-irrigation kit

Dripper

x24

360° Sprayer

x10

180° Sprayer

x10

4mm take-oﬀ

x12

4mm tap

Tee joiner x24

Hole plug x10

Hole punch

Ground stake

x24

4mm hose

20m

Part 2 - System overview

Introduction

Thank you for buying a Harvst WaterMate - this guide will walk you through the

concepts, modes of operation, and how to install the system.

WaterMate is a complete kit of parts; containing everything you need to set up

automatic irrigation.

WaterMate comes in two sizes:

Mini

Pro

Designed for smaller greenhouses, up to

6m2 of watered area.

The Pro kit comes with a more powerful

pump, and more pipework, for larger

greenhouses and polytunnels, up to

40m2 of watered area.

There are three power options:

Solar

Mains

4-season

or plugged in using a

mains charger for

additional watering time

throughout the year when

there may not be as much

sunshine, or if your

location does not get

much sun.

supply, for installations

which require heavy duty

watering or have no sun.

As per the mains version,

with 3 additional power

outputs for extra pumps,

grow lights or low voltage

heaters. Powered by a

240v power supply.

Control unit options

Watering options

Sensors

- Solar power

- Mains power

- 4-Season

1 - Mini pump (submersible)

2 - Pro pump (inline)

3 - Garden hose

- Temperature (supplied)

- Humidity (optional)

- Soil moisture (optional)

Control unit

The brains of the system, it controls the pumps and valves.

●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.

●Temperature - Choose to water more when itʼs hot, or less when itʼs cold.

Settings and control

Settings are managed on a smartphone, tablet or laptop. 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. Read more about the control unit, and how to manage

settings, in Part 3 of this guide

Dual zone valves

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.

Water supply

Garden hose

Feed directly into the

water valves. Leave the

hose tap turned on and

Watermate will manage

the rest.

Mini pump

A submersible pump

capable of providing

water for small

greenhouses.

Pro pump

An inline pump capable of

providing larger amounts of

water at a high pressure, for

larger greenhouses and

polytunnels.

Irrigation parts

Supplied with the Watermate are a range of pipes, hoses and fittings for you to install

into your own greenhouse or polytunnel. See how to install the valves, pump and other

components in Part 4 of this guide.

Operating mode - online or oﬀline?

Part 3 - The control unit

Solar powered systems

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.

The solar panel must be plugged in at all times, to keep the battery in good condition.

The solar panel should be mounted outside the greenhouse or polytunnel; try to

position it so that it catches the most sun possible.

The built-in battery will provide enough power for up to ten minutes of watering per

day, and will recharge fully on a sunny summer day; more than enough for most

greenhouses and polytunnels.

Charging will be disabled below 5°C or above 45°C to ensure a long battery life. If

possible, do not mount the control unit in full sun, so that you get more charging time

in the summer.

Power saving (sleep)

The control unit will go to sleep when it is not doing anything, to save battery power. It

wakes up every 30 minutes to take readings, and to turn on the water pump if required.

To change settings, or override the watering, the control box needs to be awake.

To wake the unit up press the override button on the top until you hear a rising tone.

Winter commissioning

When you set up your system for the first time, youʼll want to run the pump to test your

pipes and fittings. This will probably run the battery down - when the battery is low,

you will hear a falling tone from the control unit and the pump wonʼt run for long, if at

all.

In the winter, with overcast skies and a low sun, your battery may not recharge fully

within a few days. You can either wait until you have more sun, or you can buy a top-up

/ trickle charger to take the place of the solar panel over winter.

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