Xylem Lowara ecocirc S Manual

Additional Installation, Operation and
Maintenance Instructions
ecocirc S, M, L
ecocirc S+,
M+, L+
Wet Rotor Circulators

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2 ecocirc/ecocirc+, Additional Installation, Operation and Maintenance Instructions
Table of Contents
1Introduction and Safety.......................................................................................................................................5
1.1 Introduction ................................................................................................................................................5
1.2 Safety..........................................................................................................................................................5
1.2.1 Danger levels and safety symbols...........................................................................................................5
1.2.2 User safety ..............................................................................................................................................6
1.2.3 Protection of the environment ................................................................................................................7
1.2.4 Sites exposed to ionizing radiations .......................................................................................................7
2Handling and Storage .........................................................................................................................................8
2.1 Handling of the packed unit .......................................................................................................................8
2.2 Unit inspection upon delivery.....................................................................................................................8
2.2.1 Inspect the package................................................................................................................................8
2.2.2 Unpacking and inspection of the unit .....................................................................................................8
2.3 Storage .......................................................................................................................................................8
3Technical Description..........................................................................................................................................9
3.1 Designation ................................................................................................................................................9
3.2 Features and integrated functions ..............................................................................................................9
3.3 Data plate ...................................................................................................................................................9
3.4 Identification code ....................................................................................................................................10
3.5 Names of the main components...............................................................................................................10
3.5.1 Drive display .........................................................................................................................................10
3.6 Intended use.............................................................................................................................................11
3.7 Improper use ............................................................................................................................................11
3.8 Use in water distribution networks for human consumption.....................................................................12
4Installation.........................................................................................................................................................13
4.1 Precautions ...............................................................................................................................................13
4.2 Installation area.........................................................................................................................................13
4.3 Hydraulic connection ................................................................................................................................13
4.3.1 Guidelines for hydraulic connection .....................................................................................................14
4.3.2 Assembly ..............................................................................................................................................14
4.3.3 Rotation of the drive display .................................................................................................................15
4.3.4 Insulation ..............................................................................................................................................16
4.4 Electrical connection.................................................................................................................................17
4.4.1 Ground..................................................................................................................................................17
4.4.2 Guidelines for electrical connection......................................................................................................17
4.4.3 Mounting the connector .......................................................................................................................17
5Start-up .............................................................................................................................................................19
5.1 Precautions ...............................................................................................................................................19

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ecocirc/ecocirc+, Additional Installation, Operation and Maintenance Instructions 3
5.2 Before start-up..........................................................................................................................................19
5.3 Initial start-up............................................................................................................................................19
5.4 Venting the unit ........................................................................................................................................20
6Settings and operation......................................................................................................................................21
6.1 Knob settings............................................................................................................................................21
6.1.1 Stand-by................................................................................................................................................21
6.1.2 Operation with constant pressure.........................................................................................................22
6.1.3 Operation with proportional pressure ..................................................................................................22
6.1.4 Operation with constant pump speed ..................................................................................................22
6.1.5 eAdapt function, ecocirc+.....................................................................................................................23
6.1.6 Degassing function ...............................................................................................................................23
6.2 Night mode, ecocirc+ ...............................................................................................................................23
6.3 MY ecocirc App, ecocirc+.........................................................................................................................24
6.3.1 Pairing the unit with a mobile device....................................................................................................24
6.4 Starting at high torque..............................................................................................................................25
6.5 Dry run signal............................................................................................................................................25
7Maintenance .....................................................................................................................................................26
7.1 Precautions ...............................................................................................................................................26
7.2 Spare parts ordering.................................................................................................................................26
8Troubleshooting................................................................................................................................................27
8.1 Precautions ...............................................................................................................................................27
8.1.1 Resetting errors.....................................................................................................................................27
8.2 Insufficient cooling or heat .......................................................................................................................27
8.3 Unit not functioning and LED on...............................................................................................................28
8.4 Unit not functioning and LED off...............................................................................................................28
8.5 Loss of functionality in the unit..................................................................................................................29
8.6 The wireless connection is not functioning, ecocirc+................................................................................29
8.7 Noise coming from the system .................................................................................................................29
8.8 Noise coming from the unit ......................................................................................................................30
9Technical Information........................................................................................................................................31
9.1 Operating environment ............................................................................................................................31
9.2 Pumped liquid ..........................................................................................................................................31
9.3 Mechanical characteristics ........................................................................................................................31
9.4 Electrical specifications.............................................................................................................................32
9.5 Radiofrequency specifications, ecocirc+...................................................................................................32
9.6 Maximum head.........................................................................................................................................32
9.7 Maximum operating pressure...................................................................................................................32
9.8 Energy efficiency ......................................................................................................................................32
9.9 Sound pressure.........................................................................................................................................32
9.10 Materials in contact with the liquid ...........................................................................................................33
9.11 Dimensions and weights...........................................................................................................................33
10 Disposal........................................................................................................................................................34

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4 ecocirc/ecocirc+, Additional Installation, Operation and Maintenance Instructions
10.1 Precautions ...............................................................................................................................................34
10.2 WEEE 2012/19/EU (50 Hz) .......................................................................................................................34
11 Declarations..................................................................................................................................................35
11.1 EC Declaration of Conformity (Original)...................................................................................................35
11.2 EU Declaration of Conformity (n. 39) ........................................................................................................35
12 Warranty.......................................................................................................................................................37
12.1 Information ...............................................................................................................................................37

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ecocirc/ecocirc+, Additional Installation, Operation and Maintenance Instructions 5
1Introduction and Safety
1.1 Introduction
Purpose of this manual
This manual provides information on how to do the following in the correct manner:
•Installation
•Operation
•Maintenance.
CAUTION:
This manual is an integral part of the unit.
Be sure to read and understand the manual before
installing the unit and putting it to use
. The manual must always be made available to the user,
stored in the proximity of the unit, and well kept.
Supplementary instructions
The instructions and warnings of this manual apply to the standard unit as described in the sale
documentation. Special version pumps may be supplied with supplementary instruction
manuals. For situations not considered in the manual or in the sales document, contact Xylem
or the Authorised Distributor.
1.2 Safety
1.2.1 Danger levels and safety symbols
Before using the unit, the user must read, understand and comply with the indications of the
danger warnings in order to avoid the following risks:
•Injuries and health hazards
•Damage to the product
•Unit malfunction.
Danger levels
Hazard level
Indication
DANGER:
It identifies a dangerous situation which, if not avoided, causes
serious injury, or even death.
WARNING:
It identifies a dangerous situation which, if not avoided, may cause
serious injury, or even death.
CAUTION:
It identifies a dangerous situation which, if not avoided, may cause
small or medium level injuries.
NOTICE:
It identifies a situation which, if not avoided, may cause damage to
property but not to people.

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Complementary symbols
Symbol
Description
Electrical hazard
Hot surface hazard
Danger, system pressurized
Do not use flammable liquids
Do not use corrosive liquids
Read the instruction manual
1.2.2 User safety
Strictly comply with current health and safety regulations.
WARNING:
This unit must be used only by qualified users. Qualified users are people able to recognise
the risks and
avoid hazards during installation, use and maintenance of the unit.
Inexperienced users
WARNING:
•
For EU countries: this product may be used by children aged 8 years and above and
persons with reduced physical, sensory or mental capabilities, or who lack experience and
knowledge, provided that they are being supervised and have been instructed on how to
use it safely, and understand the hazards involved. Children must not play with the product.
Cleaning and maintenance must not be carried out by children without supervision.
•
For countries outside the EU: this product is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities, or who lack experience and
knowledge, unless they are being supervised and have b
een instructed on how to use it by
a person responsible for their safety. Children should be supervised to ensure that they do
not play with the product.

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1.2.3 Protection of the environment
Disposal of packaging and product
Comply with the current regulations on sorted waste disposal.
1.2.4 Sites exposed to ionizing radiations
WARNING: Ionizing radiation hazard
If the unit has been exposed to ionizing radiations, implement the necessary safety measures
for the protection of people. If the unit needs to be
dispatched, inform the carrier and the
recipient accordingly, so that appropriate safety measures can be put in place.

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2Handling and Storage
2.1 Handling of the packed unit
WARNING:
Take appropriate measures during transport, installation and storage to prevent contamination
from external substances.
The Manufacturer delivers the unit and its components in a cardboard box.
2.2 Unit inspection upon delivery
2.2.1 Inspect the package
1. Check that quantity, descriptions and product codes match the order.
2. Check the packaging for any damage or missing components.
3. In case of immediately detectable damage or missing parts:
- accept the goods with reserve, indicating any findings on the transport document, or
- reject the goods, indicating the reason on the transport document.
In both cases, promptly contact Xylem or the Authorised Distributor from whom the product
was purchased.
2.2.2 Unpacking and inspection of the unit
1. Remove packing materials from the product.
2. Check the unit for integrity and to make sure that there are no missing components.
3. In case of damage or missing components, promptly contact Xylem or the Authorised
Distributor.
Content of the package
•Unit
•Heat insulation shell
•Two gaskets
•Supply connector
•Instructions manual.
2.3 Storage
Storage of the packed unit
The unit must be stored:
•In a covered and dry place
•Away from heat sources
•Protected from dirt
•Protected from vibrations
•At an ambient temperature between -40°C and +85°C (-40°F and 185°F).
NOTICE:
Do not place heavy loads on top of the unit.
NOTICE:
Protect the unit from collisions.

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3Technical Description
3.1 Designation
Wet rotor circulators with integrated electronic frequency converter.
3.2 Features and integrated functions
Reading and adjustment
Feature / function
ecocirc
ecocirc+
Knob
•
•
Indication of faults
•
•
with fault
Display
•
Control and operating mode
Feature / function
ecocirc
ecocirc+
Operation at constant pressure
•
•
Operation at proportional pressure
•
•
Operation at constant speed
•
•
Degassing
•
•
eAdapt
•
Night mode
•
Bluetooth® wireless function
•
3.3 Data plate
1. Maximum absorbed current
2. Rated voltage
3. Minimum absorbed current
4. Minimum absorbed power
5. Protection degree
6. Pump type
7. Product code
8. Serial number
9. EEI value
10. Maximum operating pressure
11. Maximum absorbed power
12. Maximum liquid operating temperature
13. Insulation class
Code :
S/N :
AW
min :
max :
PN :
Vn :
Circulation Pump
9
Ecocirc_M0016_A_sc
11 12 13
2 43 5
10
6781

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3.4 Identification code
1. Series name
2. Motor power 24 W [S], 34 W [M] or 60 W [L]
3. Display present [+] or not present [ ]
4. Port nominal diameter in mm
5. Maximum head in mm
6. Distance between suction port and discharge port in mm
7. Pump body in cast iron [ ] or stainless steel [N]
3.5 Names of the main components
1. Pump body
2. Discharge of condensate
3. Motor body
4. Electronic drive
5. Drive display
6. Control knob
7. Socket for the power connector
3.5.1 Drive display
1. Unit status LED indicator
2. Work and operating mode knob
3. Display
4. Bluetooth® wireless function LED indicator
5. Button to enable and disable night mode and the Bluetooth® wireless function
6
ecocirc_M0026_A_sc
1 3 5 7
2 4

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Display, ecocirc+
The information given on the display according to the event is shown in the table:
Event
Information on the display
Unit in standby
OFF
Unit in operation
Every 4 seconds, in a cycle:
• head in meters
• instantaneous flow rate in cubic meters per second
• instantaneous power in watts
Degassing function active
AIr
eAdapt function activated
EAd
Presence of a fault
Alphanumerical error code, see Troubleshooting on page 27
3.6 Intended use
•Gas, diesel oil, wood and pellet boiler
•District heating systems
•Underfloor heating systems
•Multi-zone heating systems
•Cogeneration processes
•Heat transfer stations
•Mixing stations
•Heat pumps
•Domestic hot water systems
•Air-conditioning systems.
Pumped liquids
•Clean
•Free of solid particles or fibres
•Free of mineral oils
•Chemically and mechanically non aggressive
•Non-flammable
•Non-explosive
•Water/glycol mixtures
•Water for heating according to VDI 2035
•Domestic hot water
Observe the operating limits in Technical Information on page 31.
3.7 Improper use
WARNING:
The unit was designed and built for the use described in the
Intended Use section. Any other uses
are prohibited, as they could compromise the safety of the user and the efficiency of the unit itself.
DANGER:
It is prohibited to use this unit to pump flammable and/or explosive liquids.
DANGER: Potentially explosive atmosphere hazard
It is prohibited to start the unit in environments with potentially explosive atmospheres or with
combustible dusts.

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12 ecocirc/ecocirc+, Additional Installation, Operation and Maintenance Instructions
DANGER:
In the case of domestic systems, the water must be pumped at a temperature above +50°C
(122°F) to prevent
the risk of legionella.
DANGER:
In the case of domestic hot water systems, flexible pipes must not be used to connect the unit
to the mains water supply.
CAUTION:
It is prohibited to use this unit to pump aggressive liquids, acids and seawater.
3.8 Use in water distribution networks for human consumption
If the unit is intended for water supply to people and/or animals:
WARNING:
It is prohibited to pump drinking water after use with other fluids.
WARNING:
Take appropriate measures during
transport, installation and storage to prevent contamination
from external substances.
WARNING:
Remove the unit from its packaging just before installation to prevent contamination from
external substances.
WARNING:
After installation, run the unit
for a few minutes with several users open in order to wash the
inside of the system.

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4Installation
4.1 Precautions
Before starting, make sure that the safety instructions shown in Introduction and Safety on
page 5 have been fully read and understood.
DANGER: Potentially explosive atmosphere hazard
It is prohibited to start the unit in environments with potentially explosive atmospheres or with
combustible dusts.
WARNING:
Always wear personal protective equipment.
WARNING:
Always use suitable working tools.
WARNING:
When selecting the
place of installation and connecting the unit to the hydraulic and electric
power supplies, strictly comply with current regulations.
When connecting the unit to a public or private aqueduct, or to a well for the supply of water
for human and/or animal consumption:
WARNING:
It is prohibited to pump drinking water after use with other fluids.
WARNING:
Remove the unit from its packaging just before installation to prevent contamination from
external substances.
4.2 Installation area
•Install the unit in a dry and well ventilated area, protected against weather conditions.
•Follow the provisions in Operating environment on page 31.
4.3 Hydraulic connection
DANGER:
All the hydraulic and electrical connections must be
completed by a technician possessing the
technical
-professional requirements outlined in the current regulations.
WARNING:
Piping must be sized to ensure safety at the maximum operating pressure.

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14 ecocirc/ecocirc+, Additional Installation, Operation and Maintenance Instructions
WARNING:
Install appropriate seals between the
unit and the piping system.
4.3.1 Guidelines for hydraulic connection
•If possible, install the unit at the lowest point of the system
•Remove any welding residues, deposits and impurities in the pipes that could damage the
unit.
•To exclude the unit from the system for the purpose of maintenance, install an on-off valve
on the suction side and another on the delivery side
•Support the pipes independently to prevent them from weighing on the unit.
•Check that other devices cannot come in contact with the unit.
4.3.2 Assembly
CAUTION: Danger, system pressurized
Before starting work, close the on
-off valves on the suction and delivery sides or drain the
system.
1. Locate the arrow on the unit to determine the correct direction of the flow of liquid.
2. Insert the unit between the pipes with the gaskets.
3. Tighten the nuts in the joints.
Tightening torque: see the table.
Size of the joint
Material of the pipe
Torque, Nm (lbf·ft)
G1
Plastic
50 (37)
G1
Cast iron
85 (63)
G1¼
Cast iron
105 (78)
G1½
Cast iron
125 (92)
G2
Cast iron
165 (122)

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Mounting positions
4.3.3 Rotation of the drive display
The drive display can be turned 90° at a time.
CAUTION: Danger, system pressurized
Before starting work, close the on
-off valves on the suction and delivery sides or drain the
system.
CAUTION:
Residual liquid could come out of the motor body during disassembly at a very hot or cold
temperature: be careful to avoid physical injury.
CAUTION:
Make sure not to damage the internal gasket, otherwise liquid could leak out at a very
hot or
cold temperature during operation of the unit.
NOTICE:
During disassembly, support the motor body and not the
electronic drive, in order to avoid
damaging the electronic drive.

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16 ecocirc/ecocirc+, Additional Installation, Operation and Maintenance Instructions
1. Remove the screws.
2. Turn the motor body without detaching it from the body of the pump.
3. Fasten the screws following a cross pattern.
Tightening torque: 3 Nm (2.2 lbf·ft).
Positions of the drive display
4.3.4 Insulation
Install the insulation shells to reduce heat dispersion.
NOTICE:
Do not insulate or cover the drive display.

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4.4 Electrical connection
DANGER:
All the hydraulic and electrical connections must be completed by a technician possessing the
technical
-professional requirements outlined in the current regulations.
DANGER: Electrical hazard
Before
starting work, check that the power supply is disconnected and locked out, to avoid
unintentional restart of the unit, the electronic drive and the auxiliary control circuit
.
4.4.1 Ground
DANGER: Electrical hazard
Always connect the external protection conduc
tor (ground) to the ground terminal before
attempting to make any other electrical connections.
DANGER: Electrical hazard
Check that the external protection conductor (ground) is longer than the phase conductors; In
case of accidental disconnection of
the unit from the phase conductors, the protection
conductor must be the last one to detach itself from the terminal.
DANGER: Electrical hazard
Install suitable systems for protection against indirect contact, in order to prevent lethal electric
shocks.
4.4.2 Guidelines for electrical connection
•The mains voltage and frequency must match the specifications on the data plate
•Use a H05V2V2-F 3G0.75-1.5 multi-core power supply cable
•Protect the power supply cable against high temperatures, vibrations, collisions and
abrasions.
4.4.3 Mounting the connector
Phase
Action
Illustration
1
Insert the cable in the nut, ring and body of the cable gland
2
Strip the conductors as shown

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3
Press the lever of the connector
4
Insert the cores of the conductors in the respective holes of the connector and release the lever
5
Engage the connector in the body of the cable gland
6
Insert the ring in the seat of the body of the cable gland and tighten the nut on the body of the
cable gland
Tightening torque: 2 Nm (1.5 lbf·ft)
7
Insert the connector in the socket of the unit

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5Start-up
5.1 Precautions
WARNING: Electrical hazard
Check that the unit is properly connected to the mains power supply.
WARNING:
It is prohibited to put combustible materials near the
unit.
NOTICE:
Dry run of the unit is forbidden.
NOTICE:
It is prohibited to operate the unit with the on-off valve closed.
5.2 Before start-up
Check that:
•The instructions in Installation on page 5 have been followed.
•The system is full and vented.
•The minimum suction pressure is the same as that indicated in Technical Information on
page 31.
5.3 Initial start-up
Action
LED
ecocirc
ecocirc+
Turn on the power supply
Flashing yellow
light
Note: the unit comes with stand-by set in the factory.

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20 ecocirc/ecocirc+, Additional Installation, Operation and Maintenance Instructions
5.4 Venting the unit
Vent the unit:
•During filling
•During operation, to remove the dissolved gases (degassing)
Action
LED
ecocirc
ecocirc+
Keep the knob turned to until the
unit is completely vented
Green flashing
Notes:
•Once activated, degassing continues for 3 minutes irrespective of the set mode
•Depending on the features of the system, it may be necessary to activate degassing for
more than 3 minutes.