Wilo Atmos PICO Manual de utilizare

4 238 457-Ed.01 / 2019-12

Wilo-Atmos PICO

Pioneering for You

en Installation and operating instructions

it Istruzioni di montaggio, uso e manutenzione

tr  Montajvekullanmakılavuzu

el  Οδηγίεςεγκατάστασηςκαιλειτουργίας

ro  Instrucţiunidemontajşiexploatare

bg Инструкциязамонтажиексплоатация

et Paigaldus- ja kasutusjuhend

lt Montavimo ir naudojimo instrukcija

lv  Uzstādīšanasunekspluatācijasinstrukcija

ru  Инструкцияпомонтажуиэксплуатации

uk Iнструкціязмонтажутаексплуатації

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Fig. 1:

9

8

710

1 11

4

5

2

3

6

Fig. 2: Fig. 3a:

Fig. 3b:

PE NL

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Fig. 3c:

Fig. 3d:

Fig. 3e:

Fig. 3f:

Fig. 4:

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en Installation and operating instructions 4

it Istruzioni di montaggio, uso e manutenzione 20

tr Montaj ve kullanma kılavuzu 37

el Οδηγίες εγκατάστασης και λειτουργίας 53

ro Instrucţiuni de montaj şi exploatare 70

bg Инструкция за монтаж и експлоатация 86

et Paigaldus- ja kasutusjuhend 104

lt Montavimo ir naudojimo instrukcija 120

lv Uzstādīšanas un ekspluatācijas instrukcija 136

ru Инструкция по монтажу и эксплуатации 152

uk Інструкція з монтажу та експлуатації 171

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1 General information

About these

instructions These installation and operating instructions are an

integral part of the product. Read these instructions

before commencing work and keep them in an accessi-

ble place at all times.

Strict adherence to these instructions is a precondition

for the intended use and correct operation of the pro-

duct. All information and markings on the product must

be observed.

The language of the original operating instructions is

German. All other languages of these instructions are

translations of the original operating instructions.

2Safety

This chapter contains basic information which must be

adhered to during installation, operation and mainte-

nance. Additionally, the instructions and safety instruc-

tions in the other chapters must be observed.

Failure to follow the installation and operating instruc-

tions will result in risk of injury to persons and damage to

the environment and the product. This will result in the

loss of any claims for damages.

Failure to follow the instructions will, for example, result

in the following risks:

• Danger to persons due to electrical, mechanical and

bacteriological factors as well as electromagnetic fields

• Environmental risks due to leakage of hazardous sub-

stances

• Property damage

• Failure of important functions of the product

Identification of

safety instructions These installation and operating instructions set out

safety instructions for preventing personal injury and

damage to property that are displayed in different ways:

• Safety instructions relating to personal injury start

with a signal word and are preceded by a

corresponding symbol.

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Installation and operating instructions Wilo-Atmos PICO 5

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• Safety instructions relating to property damage start

with a signal word and are displayed

without

a symbol.

Signal words DANGER!

Failure to observe the safety instructions will result in

serious injuries or death!

WARNING!

Failure to follow the instructions can lead to (serious)

injuries!

CAUTION!

Failure to follow the instructions can lead to property

damage and a possible total loss.

NOTE

Useful information on handling the product.

Symbols These instructions use the following symbols:

Personnel

qualifications Personnel must:

• Be instructed in the locally applicable accident pre-

vention regulations.

• Have read and understood the installation and

operating instructions.

Personnel must have the following qualifications:

• Electrical work must be carried out by an authorised

electrician (in accordance with EN 50110-1).

Danger due to electrical voltage

General danger symbol

Warning of hot surfaces/media

Warning of magnetic fields

Notes

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• Installation/dismantling must be carried out by a

qualified technician who is trained in the use of the

necessary tools and mounting materials.

• The product must be operated by persons who are

instructed in the functioning of the complete system.

Definition of “qualified electrician”

A qualified electrician is a person with appropriate techni

-

cal education, knowledge and experience who can iden

-

tify and prevent electrical hazards.

Electrical work • Electrical work must be performed by a qualified elec-

trician.

• Nationally applicable guidelines, standards and regu-

lations as well as specifications by local energy supply

companies for connection to the local power supply

system must be observed.

• Before commencing work, disconnect the product

from the mains and secure it against being switched

on again.

• The connection must be protected by means of a

residual-current device (RCD).

• The product must be earthed.

• Have defective cables replaced immediately by a

qualified electrician.

• Never open the control module and never remove

control elements.

Obligations of the

operator • Have all work carried out by qualified personnel only.

• Ensure on-site contact protection from hot com-

ponents and electrical hazards.

• Have defective gaskets and connecting cables replaced.

This device can be used by children from 8 years old as

well as persons with limited physical, sensory or mental

capabilities or lack of experience and knowledge, if they

are supervised or instructed in the safe use of the device

and they understand the dangers that may arise. Chil-

dren are not allowed to play with the device. Cleaning

and user maintenance may not be carried out by children

without supervision.

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Installation and operating instructions Wilo-Atmos PICO 7

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3 Product description and function

Overview Wilo-Atmos PICO (Fig. 1)

1 Pump housing with screwed connections

2 Glandless pump motor

3 Condensate drain openings

(4x around circumference)

4 Rating plate

5Housing screws

6 Control module

7 Operating push button

8 Run signal/fault signal LED

9 Display of selected control mode

10 Display of selected characteristic curve (I, II, III)

11 Wilo-Connector, electrical mains connection

Function High-efficiency circulator for hot-water heating sys-

tems with integrated differential pressure control. Con-

trol mode and delivery head (differential pressure) are

adjustable. The differential pressure is controlled via the

pump speed.

Type key

Example: Wilo-Atmos PICO 25/1-6-130

Atmos PICO High-efficiency circulator

25 Screwed connection DN 25 (Rp 1)

1-6 1 = Minimum delivery head in m (adjustable down

to 0.5 m)

6 = Maximum delivery head in m at Q = 0 m³/h

130 Port-to-port length: 130 mm or 180 mm

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Technical data

Indicator

lights (LEDs)

•Signal display

• LED is lit up in green in normal operation

• LED lights up/flashes in case of a fault

(see chapter 10.1)

• Display of selected control mode

Δp-v and constant speed

• Display of selected pump curve (I, II, III) within the

control mode

Operating button

Press

•Select control mode

• Select pump curve (I, II, III) within the control mode

Connection voltage 1 ~ 230 V ± 10 %, 50/60 Hz

Protection class IP See rating plate (4)

Energy efficiency index EEI See rating plate (4)

Fluid temperatures at

max. ambient temperature +40 °C -10 °C to +95 °C

Fluid temperatures at

max. ambient temperature +25 °C -10 °C to +110 °C

Permitted ambient temperature -10 °C to +40 °C

Max. operating pressure 10 bar (1000 kPa)

Min. inlet pressure at +95 °C/+110 °C 0.3 bar/1.0 bar (30 kPa/100 kPa)

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Installation and operating instructions Wilo-Atmos PICO 9

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3.1 Control modes and functions

Variable differential

pressure

Δp-v

(I, II, III)

Recommended for two-pipe heating systems with radi-

ators to reduce the flow noise at thermostatic valves.

The pump reduces the delivery head to half in the case of

decreasing volume flow in the pipe network.

Electrical energy saving by adjusting the delivery head to

the volume flow requirement and lower flow rates.

There are three pre-defined pump curves (I, II, III) to

choose from.

Constant

speed (I, II, III) Recommended for systems with fixed system resistance

requiring a constant volume flow.

The pump runs in three prescribed fixed speed

stages (I, II, III).

4 Intended use

The high-efficiency circulators in the Wilo-Atmos PICO

series are exclusively designed for circulating fluids in

hot-water heating systems and similar systems with

constantly changing volume flows.

Permitted fluids:

• Heating water according to VDI 2035

(CH: SWKI BT 102-01).

• Water-glycol mixtures* with a maximum of 50 %

glycol.

* Glycol has a higher viscosity than water. If glycol is

added, the delivery data of the pump must be corrected

to suit the mixing ratio.

II

III

I

H/m

Q/m³/ h

NOTE

Factory setting:

Δp-v

, pump curve II

I

III

II

H/m

Q/m³/ h

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Intended use includes observing these instructions and

the data and markings on the pump.

Misuse Any use beyond the intended use is considered misuse

and will result in the loss of all liability claims.

5 Transportation and storage

Scope of delivery • High-efficiency circulator with 2 gaskets

• Wilo-Connector

• Installation and operating instructions

Transport

inspection Inspect for transportation damage and check complete-

ness immediately after delivery, and claim immediately if

necessary.

Transport and

storage conditions Protect from moisture, frost and mechanical loads.

Permissible temperature range: -10 °C to +50 °C.

NOTE

Only add ready-to-use mixtures to the system.

Do not use the pump to mix the fluid in the

system.

WARNING!

Danger of injury or material damage due to improper

use!

• Never use non-specified fluids.

• Never allow unauthorised persons to perform work.

• Never operate the pump outside of the specified

limits of use.

• Never carry out unauthorised conversions.

• Use authorised accessories only.

• Never operate with phase angle control.

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Installation and operating instructions Wilo-Atmos PICO 11

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6 Installation and electrical connection

6.1 Installation

May only be installed by qualified technicians.

Preparation • Choose an installation point that is as easily accessible

as possible.

• Observe the pump's allowable installation

position (Fig. 2), rotate the motor head (2 + 6) if

necessary.

WARNING!

Risk of burns due to hot surfaces!

Pump housing (1) and glandless pump motor (2) may

become hot and result in burns on contact.

• During operation, touch the control module (6) only.

• Allow the pump to cool down before commencing

any work.

WARNING!

Risk of burns due to hot fluids!

Hot fluids can result in scalding. Before installing or

removing the pump, or undoing the housing screws (5),

note the following:

• Allow the heating system to cool down completely.

• Close shut-off devices or drain the heating system.

CAUTION!

An incorrect installation position may damage the pump.

• Select the installation point in line with the allowable

installation position (Fig. 2).

• The motor must always be installed horizontally.

• The electrical connection must never face upwards.

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• Install shut-off devices upstream and downstream of

the pump to facilitate pump replacement.

• Align the upper shut-off device laterally.

• When installing in the feed of open systems, the

safety supply must branch off upstream of the pump

(EN 12828).

• Complete all welding and brazing tasks.

• Flush the pipe system.

Rotating the motor

head Rotate the motor head (2 + 6) before installing and con-

necting the pump.

• If necessary, remove the thermal insulation shell.

• Hold the motor head (2 + 6) and unscrew

the 4 housing screws (5).

• Carefully rotate the motor head (2 + 6).

• Observe the allowable installation position (Fig. 2)

and the direction arrow on the pump housing (1).

• Tighten (4-7.5 Nm) the 4 housing screws (5).

CAUTION!

Leaking water may damage the control module.

• Align the upper shut-off device such that leaking

water cannot drip onto the control module (6).

WARNING!

Risk of fatal injury from magnetic field!

Risk of death for people with medical implants due to

permanent magnets installed in the pump.

• Never remove the rotor.

1

5

2

6

CAUTION!

Damage to the inner gasket leads to leakages.

• Carefully rotate the motor head (2 + 6) without

removing it from the pump housing (1).

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Installation and operating instructions Wilo-Atmos PICO 13

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Installing the pump Observe the following points when installing the pump:

• Note the direction arrow on the pump housing (1).

• Install without tension, with glandless pump motor

horizontal (2).

• Place gaskets in the screwed connections.

• Screw on threaded pipe unions.

• Secure the pump with an open-end wrench against

twisting and screw tightly with the piping

• Re-mount the thermal insulation shell, if applicable.

6.2 Electrical connection

The electrical connection may only be performed by a

qualified electrician.

1

2

3

CAUTION!

Insufficient heat dissipation and condensation water

may damage the control module and the glandless

pump motor.

• Do not thermally insulate the glandless pump

motor (2).

• Ensure all condensate drain openings (3) are kept

free.

DANGER!

Danger to life due to electrical voltage!

Immediate danger to life if live components are

touched.

• Before commencing work, switch off the power

supply and secure it against being switched on again.

• Never open the control module (6) and never remove

control elements.

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Preparation • The current type and voltage must agree with the

specifications on the rating plate (4).

• Maximum back-up fuse: 10 A, slow-blow.

• Only operate the pump with sinusoidal AC voltage.

• Note switching frequency:

- On/off switching operations via mains voltage

≤ 100/24 h.

- ≤ 20/h for a switching frequency of 1 min.

between switching on/off via mains voltage.

• The electrical connection must be made via a fixed

connecting cable equipped with a connector device or

an all-pole switch with a contact opening width of at

least 3 mm (VDE 0700/Part 1).

• Use a connecting cable with a sufficient outer diame-

ter (e.g. H05VV-F3G1.5) to protect against leaking

water and to ensure strain relief at the threaded cable

connection.

• Use a heat-resistant connecting cable where fluid

temperatures exceed 90 °C.

• Ensure that the connecting cable does not make con-

tact with either the pipes or the pump.

CAUTION!

Pulsed mains voltage can lead to damage to electronic

components.

• Never operate the pump with phase angle control.

• When switching the pump on or off using an external

control unit, deactivate any voltage pulsing

(e.g. phase angle control).

• For applications where it is not clear whether the

pump is operated with pulsed voltage, get the

control/system manufacturer to confirm that the

pump is operated with sinusoidal AC voltage.

• Switching the pump on/off via triacs/solid-state

relays must be examined on a case-by-case basis.

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Installation and operating instructions Wilo-Atmos PICO 15

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Fitting the

Wilo-Connector • Disconnect the connecting cable from the power

supply.

• Observe the terminal allocations (PE, N, L).

• Connect and fit the Wilo-Connector (Fig. 3a to 3e).

Connecting the

pump • Earth the pump.

• Connect the Wilo-Connector (9) to the control

module (6) until it snaps into place (Fig 3f).

Removing the

Wilo-Connector • Disconnect the connecting cable from the power

supply.

• Remove the Wilo-Connector using a suitable screw-

driver (Fig. 4).

7 Commissioning

Commissioning only by qualified technicians.

7.1 Venting

• Fill and vent the system correctly.

The pump vents automatically when first started.

7.2 Setting the control mode

Select control mode The LED selection of control modes and corresponding

pump curves takes place in clockwise succession.

• Press the operating button briefly (approx. 1 second).

LEDs display the set control mode and pump curve.

The following shows the various possible settings (for

example: constant speed / characteristic curve III):

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• Pressing the button for the 6th time returns to

the basic setting (constant speed / characteristic

curve III).

LED display Control mode Pump curve

1Constant speed II

2Constant speed I

3Variable differential

pressure

Δp-v

III

4Variable differential

pressure

Δp-v

II

5Variable differential

pressure

Δp-v

I

6Constant speed III

NOTE

All settings and displays are retained if the power

supply is interrupted.

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Installation and operating instructions Wilo-Atmos PICO 17

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8 Decommissioning

Shutting down the

pump Shut down the pump immediately in case of damage to

the connecting cable or other electrical components.

• Disconnect the pump from the power supply.

• Contact Wilo customer service or a specialist technician.

9 Maintenance

Cleaning • Carefully remove soiling from the pump on a regular

basis using a dry duster.

• Never use liquids or aggressive cleaning agents.

10 Faults, causes and remedies

The troubleshooting must only be performed by a

qualified specialist, work on the electrical connection

must only be performed by a qualified electrician.

Faults Causes Remedies

Pump is not

running

although the

power supply is

switched on

Electrical fuse

defective Check fuses

Pump has no

voltage Resolve the power interruption

Pump making

noises Cavitation due to

insufficient suction

pressure

Increase the system pressure within

the permissible range

Check the delivery head and set it to

a lower head if necessary

Building does

not get warm Thermal output of

the heating

surfaces is too low

Increase setpoint

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10.1 Fault signals

• The fault signal LED indicates a fault.

• The pump switches off (depending on the fault) and

attempts a cyclical restart.

If the fault cannot be remedied, contact a specialist

technician or Wilo customer service.

LED Faults Causes Remedy

Lights

up red

Blocking Rotor blocked Activate manual

restart or contact

customer service

Contacting/

winding Winding defective

Flashes

red

Under/overvoltage Power supply too

low/high on mains

side Check mains

voltage and

operating

conditions, and

request customer

service

Excessive

module

temperature

Module interior too

warm

Short-circuit Motor current too

high

Flashes

red/

green

Generator

operation Water is flowing

through the pump

hydraulics, but there

is no mains voltage at

the pump Check the mains

voltage, water

quantity/pressure

and the ambient

conditions

Dry run Air in the pump

Overload Sluggish motor,

pump is operated

outside of its specifi-

cations (e.g. high

module tempera-

ture). The speed is

lower than during

normal operation

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