Grundfos IO 100 Manual de usuario

GRUNDFOS

PRODUCT GUIDE

SQFlex

Renewable-energy based water-supply systems

60 Hz

Contents

Product data

Performance range 3

Application 4

The SQFlex system 4

Type keys 5

Pumped liquids 5

Curve conditions 6

Wiring diagram for pump 6

Pump overview 6

Dry-running protection 7

High efficiency 7

Over- and undervoltage protection 7

Overload protection 8

Overtemperature protection 8

Maximum Power Point Tracking (MPPT) 8

Wide voltage range 8

Reliability 8

Installation 8

Service 8

System overview 9

Application examples

SQFlex Solar 10

SQFlex Wind 13

SQFlex Combo 15

SQFlex system 17

System components

CU 200 18

Electrical connections, CU 200 19

IO 100 20

Wiring diagram, IO 100 20

IO 101 20

Electrical connections, IO 101 20

IO 102 21

Electrical connections, IO 102 21

Generator 21

System sizing

Sizing of SQFlex system 22

Example 22

Performance curves

Technical data

Dimensions and weights 28

Electrical data 28

IO 100 switch box 29

IO 101 switch box 29

IO 102 breaker box 29

CU 200 control unit 30

Material specification - helical rotor pump 31

Material specification - centrifugal pump 32

Material specification - motor 33

Product numbers

Complete unit with 6 ft cable 34

Submersible drop cables 34

IO 100 35

IO 101 35

CU 200 35

IO 102 35

Wind turbine H80 Whisper 35

Tower kit for H80 Whisper 36

Tower installation kit 36

Tower pipe selection 36

Accessories

Auger / anchor 37

Grease 37

Further product documentation

WinCAPS 38

WebCAPS 39

Product data SQFlex

Performance range

Note: Do not use the above curves for sizing of the pump.

TM02 2433 4201

04000 8000 12000 16000 20000 Q [US GPD]

100

150

200

250

300

350

[ft]

HSQFlex Solar

A B C D E F G H

H 1200 Wp

G 900 Wp

F 700 Wp

E 500 Wp

D 400 Wp

C 300 Wp

B 200 Wp

A 100 Wp

TM02 2434 4201

04000 8000 12000 16000 20000 Q [US GPD]

100

150

200

250

300

350

[ft]

HSQFlex Wind

A B C D

D 18 mph

C 16 mph

B 14 mph

A 11 mph

Product data SQFlex

Application

Designed for continuous as well as intermittent opera-

tion, the SQFlex system is especially suitable for water

supply applications in remote locations, such as:

• villages, schools, hospitals, single-family houses

etc.

•farms

- watering of cattle

- irrigation of fields and greenhouses

• game parks and game farms

- watering applications

• conservation areas

- surface water pumping

• Floating pump installations for pumping of water

from ponds and lakes.

The SQFlex system

The SQFlex system is a reliable water supply system

based on renewable energy sources, such as solar and

wind energy. The SQFlex system is equipped with the

SQF submersible pump.

Very flexible as to its energy supply and performance,

the SQFlex system can be combined and adapted to

any need according to the conditions on the installation

site.

The system components are:

• SQF submersible pump

• CU 200 control unit

• IO 100 and IO 101 switch boxes

• IO 102 breaker box

• energy supply:

- solar panels

- wind turbine

- generator

- batteries.

Pump

The SQF pump range comprises two pump technolo-

gies:

• Helical rotor pump (3") for high heads and moderate

flows.

• Centrifugal pump (4") for lower heads and high

flows based on the Grundfos SP A pump.

The performance curves below illustrate pump perfor-

mance for the two pump technologies:

Motor

The SQFlex motor range comprises only one motor

size, the MSF 3 with max. power input (P1) of 900 W.

MSF 3 is a 3" motor.

The speed range for the motor is 500-3000 rpm

depending on the power input and the load.

The motor has been developed especially for the

SQFlex system.

The SQFlex motor has three internal limitations,

• max. power consumption (P1) of 900 W

• max. current of 7 A and

• max. speed of 3000 rpm.

The pump delivers its maximum performance when one

of the above limitations is reached.

The motor is available in stainless steel EN/DIN 1.4301.

The motor is designed according to the permanent-

magnet principle with built-in electronic unit.

Voltage supply

The motor can be supplied with either AC or DC

voltage.

• 30 - 300 VDC, PE

• 1 x 90 - 240 V –10%/+6%, 50/60 Hz, PE.

TM02 2425 3901

A: Helical rotor pump

B: Centrifugal pump

/Day

Product data SQFlex

IO 100 switch box

The IO 100 is an on/off switch box designed as a posi-

tive disconnect for the system voltage supply.

IO 101 switch box

The IO 101 is an on/off switch box designed as a posi-

tive disconnect for the system voltage supply.

The IO 101 is used with SQFlex systems supplied by

solar panels and with a generator supply backup.

IO 102 breaker box

The IO 102 is an on/off switch box designed as a posi-

tive disconnect for the system voltage supply.

The IO 102 is used with wind-powered SQFlex systems

or with SQFlex systems powered by wind and solar

energy.

IO 102 acts as a brake which makes it possible to slow

down or stop the wind turbine.

CU 200 control unit

The CU 200 control unit is a combined status and

control unit for the SQFlex pump system. Furthermore,

the CU 200 enables connection of a level switch placed

in a water reservoir or similar tank.

Solar modules

Grundfos’ solar modules have been developed espe-

cially for the SQFlex system. The solar modules are

equipped with plugs and sockets enabling easy and

simple installation.

Grundfos offers data sheets for available solar

modules. For further information please contact your

local Grundfos Company.

Generator

If the electricity supply from its primary source of

energy is temporarily insufficient, the SQFlex system

can be supplied by a generator. The generator can

either be diesel or gasoline driven.

Batteries

The SQFlex system can be supplied by batteries with a

voltage supply of 30 - 300 VDC, minimum current 7A.

Type keys

Type key for helical rotor pumps

Type key for centrifugal pumps

Pumped liquids

The SQF pumps are designed for pumping thin, clean,

non-aggressive, non-explosive liquids, not containing

solid or long-fibred particles larger than sand grains.

Sand content: max. 50 ppm.

A higher sand content will reduce the pump life consid-

erably due to wear.

pH: 5 - 9

Liquid temperature: 32°F to +104°F

The pump can run at free convection (~ 0 ft/sec) at max.

+104°F.

Salt content

The table below shows the resistance of stainless steel

to Cl-. The figures in the table are based on a pumped

liquid with a pH-value of 4 - 9.

Example 6 SQF -2 x

Rated flow at 3000 rpm [US

GPM]

Type range

Number of stages

Blank = Stainless steel

AISI 304

Example 25 SQF -3 x

Rated flow at 3000 rpm [US GPM]

and pump generation

Type range

Number of stages

Blank = Stainless steel

AISI 304

Stainless steel Cl-content

[ppm]

Liquid

temperature

[°F]

EN/DIN AISI

1.4301 304 0 - 300 < 104

300 - 500 < 86

Product data SQFlex

Curve conditions

The SQFlex Solar performance range shown on page 3

is based on:

• solar radiation on a tilted surface

•H

T= 6 kWh/m2per day

• 20° tilt angle

• ambient temperature: +86°F

• 20° northern latitude

• panel voltage: 120 VDC

• an 11 hour standard solar day.

The SQFlex Wind performance range shown on page 3

is based on:

• average wind speed

• calculations according to Weibull’s factor k = 2

• continuous operation over 24 hours.

The performance charts on pages 24 to 27 are based

on the following guidelines:

• All curves show mean values.

• The curves must not be used as guarantee curves.

• Typical deviation: +/–15%.

• The measurements were made at a water tempera-

ture of +86°F.

• The curves apply to a kinematic viscosity of 1 mm2/

s (1 cSt). If the pump is used for liquids with a vis-

cosity higher than that of water, this will reduce the

head and increase the power consumption.

• The performance curves are inclusive of inlet and

valve losses at the actual speed.

• Supply to pump: 120 VDC.

Wiring diagram for pump

Connection of the MSF motor to the power supply must

be done according to the wiring diagram shown below.

As the intelligent motor electronics can handle both

connection possibilities, it makes no difference how the

wires "+" and "–" or "N" and L" are connected.

Pump overview

The SQF pump is available as a complete unit.

TM02 2437 3901

30 - 300 VDC 1 x 90 - 240 VAC

Element Drawing Description

SQF pump complete

TM02 2217 3901

SQF pump complete with ...

•motor

• 6 ft cable with water level electrode, end cover,

socket and

• cable guard.

Product data SQFlex

Dry-running protection

The SQF pump is protected against dry running in order

to prevent damage to the pump. The dry-running

protection is activated by a water level electrode placed

on the motor cable 12 - 24 inches above the pump

depending on the pump type.

The water level electrode measures the contact resis-

tance to the motor sleeve through the water. When the

water level falls below the water level electrode the

pump will be cut out. The pump will automatically cut in

again 5 min. after the water level is above the water

level electrode.

High efficiency

The MSF 3 motor is a permanent-magnet motor (PM

motor) featuring a higher efficiency within the power

range compared to a conventional asyncronous motor.

In addition to this the segmented motor stator contrib-

utes considerably to the high efficiency.

The MSF 3 motor is characterized by a high locked-

rotor torque even at low power supply.

Over- and undervoltage protection

Overvoltage and undervoltage may occur in the case of

unstable voltage supply or a faulty installation.

The pump will be cut out if voltage falls outside the

permissible voltage range. The motor is automatically

cut in again when the voltage is again within the permis-

sible voltage range. Therefore no extra protection relay

is needed.

Note: The MSF 3 motor is protected against transients

from the the voltage supply according to IEC 60664-1

"overvoltage category III" (4 kV). In areas with high

lightning intensity, external lightning protection is

recommended.

TM02 2436 3901TM02 2435 3901

12 - 24 in

Features and benefits SQFlex

Overload protection

If the upper load limit is exceeded, the motor will auto-

matically compensate for this by reducing the speed. If

the speed falls below 500 rpm, the motor will be cut out

automatically.

The motor will remain cut out for 10 sec. after which

period the pump will automatically attempt a restart.

The overload protection prevents burnout of the motor.

Consequently, no extra motor protection is required.

Overtemperature protection

A permanent-magnet motor gives off very little heat to

its surroundings. An efficient internal circulation system

leads the heat away from the rotor, stator and bearings

ensuring optimum operating conditions for the motor.

As an extra protection, the electronic unit has a built-in

temperature sensor. When the temperature rises above

+185°F, the motor is automatically cut out; when the

temperature has dropped to +167°F, the motor is auto-

matically cut in again.

Maximum Power Point Tracking (MPPT)

The built-in electronic unit gives the SQFlex system a

number of advantages compared to conventional prod-

ucts. One of these advantages is the built-in micropro-

cessor with MPPT (MPPT = Maximum Power Point

Tracking).

Thanks to the MPPT-function, the pump duty point is

continuously optimised according to the input power

available. MPPT is only available for pumps connected

to DC supply.

Wide voltage range

The wide voltage range enables the motor to operate at

any voltage from 30-300 VDC or 90-240 VAC. This

makes installation and sizing especially easy.

Reliability

The MSF 3 has been developed to provide optimum

reliability which is achieved through the following

features:

• carbon/ceramic bearings

• excellent starting capabilities

• various protection facilities.

Installation

The following features ensure simple installation of the

SQF pump:

• low weight ensuring user-friendly handling

• installation in 3", 4" or larger boreholes

• only an on/off switch is needed, which means that

no extra motor starter / starter box is necessary,

• comes with cable and cable cover pre-installed.

Note: Horizontal installation requires the water level

electrode to be placed min. 12 to 24 inches above the

pump to ensure the dry-running protection.

Service

The modular pump and motor design facilitates instal-

lation and service. The cable and the end cover with

socket are fitted to the pump with nuts which enable

replacement in the field.

TM02 2246 3901TM02 2435 3901

Allowed

Not allowed

12 - 24 in

System overview

The SQFlex system can be used in a number of combinations as shown in the table below.

System ... ... consists of the following components

Pump

Solar panel 

Wind turbine

Generator/

supply network

Switch box

CU 200

Control unit

Level switch

SQFlex Solar

See page 10.

SQFlex Solar

- with CU 200 control unit and level switch

See page 11.

SQFlex Solar

- with generator as power supply back-up

See page 12.

SQFlex Wind

See page 13.

SQFlex Wind

- with CU 200 control unit and level switch

See page 14.

SQFlex Combi

- combination of solar and wind energy

See page 15.

SQFlex Combi

- with CU 200 and level switch

See page 16.

SQFlex system

- with generator as power supply

See page 17.

()()()()

 For the number of solar modules required, please consult the sizing tool in WinCAPS.

 Can be excluded from the installation.

 May be a component in the system.

IO 100

CU 200 ()

IO 101

IO 102

IO 102 CU 200 ()

IO 102

IO 102 CU 200 ()

IO 101

Features and benefits SQFlex

Application examples SQFlex

SQFlex Solar

The SQFlex Solar system is the simplest of the range

of SQFlex systems.

Benefits

• Easy to install

• Maintenance confined to periodic cleaning of the

solar panels

• Few and simple components.

The protective circuit incorporated in the motor elec-

tronic unit cuts out the pump in case of dry running or

similar situations.

By using the IO 100 switch box, the voltage supply to

the pump can be closed manually, e.g. when ...

• there is no need for water supply

• the system requires service.

TM02 2304 4101

1 SQF pump

2Cable

3Cableclips

4 Straining wire

5 Wire clamp

6 Solar panels

7 Support structure

12 IO 100 switch box

Note: For the number of solar modules

required, please consult the Sizing tool.

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