Multicalor Udara 10 Manuale utente

Udara

INSTRUCTIONS FOR THE INSTALLER AND END USER

INSTALLATION, COMMISSIONING, MAINTENANCE AND USE OF THE APPLIANCE

Gas-ﬁred condensing and modulating air heater with an

automatically regulated energy-efﬁcient fan with a direct current

motor and gas-adaptive burner control

Brand: Multicalor Udara

Model: 10, 15, 20, 30, 40 et 50 (DF)

Land of destination: United Kingdom (UK)

Read this document before starting the installation or using the

appliance.After commissioning, give instructions to the user and

keep this document in the immediate vicinity of the appliance.

This appliance may not be operated by children, people with

a diminished mental capacity, physical impairments or lack of

knowledge unless under supervision or after receiving training

on how to use the appliance safely and as long as they are

aware of the possible risks. Children may not play with the

appliance under any circumstances. Cleaning and maintenance

performed by the user may never be carried out by children

without supervision.

Multicalor Industries NV

Blarenberglaan 21 • B–2800 Malines

Tel.: +32 15 29 03 03 • Fax: +32 15 29 03 20

info@multicalor.be • www.multicalor.be

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IHL_UDARA_2016_11_04_BEGB

Table of contents

1 Safety 5

1.1 Warnings and symbols 5

1.2 Improper use 5

1.3 General safety instructions 5

2 General information 8

2.1 Description 8

2.2 Gas category 8

2.3 Standard version 8

2.4 Outdoor air version 8

2.5 Versions 8

3 Technical data 9

3.1 In general 9

3.2 Technical data 9

3.3 Overview of components 10

3.4 Dimensions 11

4 Installation 12

4.1 In general 12

4.2 Installation of the ﬂue gas outlet system 12

4.3 Installation of the condensate drain condffffffffffffff 17

4.4 Installation of the gas pipe 17

4.5 Installation of the ductwork 18

5 Commissioning 20

5.1 Switching the appliance on and off 20

5.2 Regulating the combustion 20

5.3 Converting the appliance to propane 21

6 Operating and setting 22

6.1 In general 22

6.2 Modulating thermostat RC21 22

6.3 Air-conditioning 23

6.4 Heat pump 23

6.5 Operation in heating mode 23

6.6 Setting as ventilation 23

6.7 The control panel 23

6.8 Changing settings 24

6.9 Error codes 26

7 Maintenance 27

7.1 Maintenance by the user 27

7.2 Maintenance by the installer 27

8 Troubleshooting 28

8.1 Appliance does not start after 5 attempts 28

8.2 Internal error 29

8.3 Overheating and NTC errors 29

8.4 Display does not work 29

8.5 Flue gas fan operates continuously or not at all 29

8.6 System fan operates continuously or not at all 29

8.7 No communication with thermostat 29

8.8 Fuse or earth leakage circuit breaker intervenes 30

8.9 Loss of ﬂame shortly after ignition 30

8.10 Service Request 30

8.11 Normal settings 30

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9 Diagram 31

10 Parts 32

10.1 Parts list 32

10.2 Ordering procedure 32

10.3 Service request 32

11 Guarantee 33

11.1 In general 33

11.2 Scope and duration of the guarantee 33

11.3 Damage that is not covered by the guarantee 33

11.4 The following are not covered by the guarantee 33

11.5 Repairs 33

11.6 Service sets 33

12 Multicalor RC21.14 34

12.1 Setting the language, date and time 34

12.2 Mode

12.3 Summer ventilation 36

12.4 Program 36

12.5 Switching off periods (max. of 2 periods) 37

13 EC Declaration of conformity 38

14 Declaration of conformity KB 2004-01-08 39

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IHL_UDARA_2016_11_04_BEGB 5

This section must be carefully studied by the installer

and the user.

1.1 Warnings and symbols

A number of symbols point out possible dangers that

may occur when installing or using the appliance.

Depending on the seriousness of the potential

situation, other symbols, icons or words are used.

Always take these warnings seriously and never ignore

them.

1.2 Improper use

The Udara air heater is intended for heating systems

based on hot air where both the heated and the intake

air is distributed through a system of ducts.

If the appliance is used inexpertly or improperly, a

situation may be created that entails danger for the

user or third parties or can lead to damage to the

appliance or the environment.

You may only install the Udara if you combine the

appliance with the accessories listed in the manual for

the combustion air supply (CAS) and ﬂue gas outlet

(FGO).

As an installer or user you have the obligation to

closely follow the instructions contained in the manual

of the appliance or the possible accessories. You

must, moreover, respect all inspection and

maintenance conditions

You must connect the appliance electrically in

accordance with the protection degree speciﬁed on

the nameplate and in accordance with the locally

applicable regulations.

If you implement changes to the appliance that are

not described in the manual, you must ask for written

permission from the manufacturer.

Transgressions to these instructions will be deemed

not according to the regulations and may lead to

dangerous situations or material damage regarding

which the manufacturer rejects any responsibility.

1.3 General safety instructions

The installation, mounting, disassembly,

commissioning, maintenance and repair must only be

performed by professionals. They must have all legal

qualiﬁcations and, by preference, they must have

followed training at the manufacturer of the appliance.

As a user, you must closely follow the maintenance

instructions. Ask your installer to go through this

section if you have any questions.

1.3.1 Danger of fatal injury because of gas leaks

With regard to gas smells in buildings:

• extinguish all naked ﬂames (such as from

smoking, cookers, etc.).

• Do not operate any doorbells, switches, plugs,

telephones, entry panels or other devices

• Close the main gas valve and the gas valve on the

product.

• Open windows and doors.

• Evacuate the building and stop third parties from

entering the building.

• Warn the ﬁre brigade using a telephone

connection outside the building (for example, at

the neighbours).

• If the leak occurs in front of the gas meter, warn

the energy company.

Liquid gas is heavier than air and will collect near the

ﬂoor. If the appliance is being installed below ground

level, leaking liquid gas will collect and, therefore,

there will be an explosion risk.

• Ensure that liquid gas can never escape from the

appliance or the gas pipe.

1.3.2 Danger of fatal injury because of ﬂammable

substances

Do not use or keep explosive or ﬂammable substances

(petrol, thinner, paper, etc.) near the appliance.

1.3.3 Danger of fatal injury because of

combustion gases escaping

If ﬂue gases escape, this can lead to dangerous

situations.

• Only use the appliance with a fully installed

CAS/FGO

1 Safety

Danger!

This symbol warns you about a serious danger.

Intervene immediately to prevent heavy physical or

fatal injury or signiﬁcant material damage.

Danger!

This symbol warns about a danger or fatal injury

because of an electric shock. Ignoring this warning

can lead to signiﬁcant physical or fatal injury.

Warning!

This symbol warns about a dangerous situation.

Ignoring this warning can lead to physical injury,

material damage or environmental damage.

Attention!

This symbol warns about a situation that deserves

your attention. Ignoring this warning can lead to

material damage. .

Information(s)

This symbol indicates that somewhere else in the

manual you can ﬁnd more information about this

topic or it will refer you to a local standard.

IHL_UDARA_2016_11_04_BEGB

• Always use the appliance with an installed front

cover.

A dangerous situation may occur if the appliance is

supplied with insufﬁcient combustion air.

• Ensure there is a permanent and unobstructed

air supply to the set-up room of the appliance in

accordance with the applicable standards.

If you smell ﬂue gases or you suspect there is a

combustion gas leak, you must intervene immediately.

• Open windows and doors and ventilate the

building.

• Switch off the product.

• Consult your installer and have the combustion

circuit checked for leaks or obstructions.

If the condensate trap is empty, ﬂue gas may leak.

• Always use the appliance with a fully ﬁlled

condensate trap.

1.3.4 Danger of fatal injury because of electric

shocks

If you touch components that carry a current, there is

a danger of fatal injury because of an electric shock.

Before you work on the product:

• Ensure that the current to the appliance has been

disconnected.

• Protect against reconnection.

• Always wait a few minutes so that the capacitors in

motor controls, etc., are discharged.

1.3.5 Danger of fatal injury because of changes

Unauthorised changes to the product or set-up room

can lead to dangerous situations.

• Never remove, bypass or change the temperature

probes in the appliance.

• Sealed parts in the appliance must not be opened.

• Never change the piping for gas or the CAS/FGO

and the wiring for the voltage.

• The condensate discharge must always be

present and changes must never be implemented

regarding the condensate discharge.

1.3.6 Danger of ﬁre or becoming trapped

If you want to connect the appliance without ductwork,

you must:

• Install a vent on the suction opening that impedes

access to the fan compartment;

• Install a vent or blow plenum on the blow hole so

that there is no direct access to the heat

exchanger compartment. This vent or plenum

must also ensure that ﬂammable material cannot

fall on the heat exchanger.

These accessories are available from our range. If you

do not know which accessories you need, you can

contact your dealer for additional information.

• Also make absolutely sure that the environment in

which the appliance is being installed cannot lead

to any dangers because of ﬂoating dust and/or

ﬂammable or corrosive substances or fumes.

Some parts of the appliance can become very hot

during and shortly after use.

• Only carry out activities such as maintenance after

the appliance has completely cooled down.

1.3.7 Risk of corrosion damage

Chemical products such as solvents, paints,

adhesives, soaps, etc., may lead to corrosion in the air

heater or in the CAS/FGO.

• Ensure that the combustion air is always dust-free

and is not polluted by ﬂuorine, chlorine, sulphur

and other contaminants.

• If the combustion air is being supplied through a

chimney duct, it must not have been used in the

past as an FGO for fuel oil devices, coal or wood

burners or open ﬁreplaces.

• If the appliance is set up in launderettes, ironing

parlours, swimming pool rooms, etc., the

appliance must be installed in a separate

set-up room in which the ambient air is free from

chemical contaminants.

• Combustion air that is insufﬁciently dust-free

can lead to an unreliable ignition and, in extreme

cases, even damage to the heat exchanger

because of internal dirt. If this risk exists, you must

order an intake ﬁlter for the CAS that is available

as an accessory.

1.3.8 Material damage because of unsuitable

tools

In addition to conventional tools, you also need a

number of speciﬁc tools to work on or maintain the

Udara appliance.

• You need a special square drill bit, size 2, to

loosen the tapping screws.

• In addition, you need a set of Allen wrenches with

a rounded side.

• Using a 0-10 Nm torque wrench is recommended.

• You must have a ﬂue gas analysing device that

can measure the following substances in the ﬂue

gases: NOx (nitrogen oxides), O2 (residual

oxygen) and CO (carbon monoxide). If your

appliance cannot measure NOx, it is strictly

prohibited to change the adjustment of the

appliance or to perform a manual calibration.

1.3.9 Material damage because of frost

If the appliance is not set up frost-free, the appliance

can be damaged. If the temperature of the suctioned

air drops far below freezing point, frost can even occur

in the heat exchanger itself.

In such a case, a bypass must be made using the air

outlet duct to the suction duct so that the suctioned air

is preheated.

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1.3.10 Material damage to the ﬂexible gas tube

The ﬂexible gas tube can be damaged because of a

heavy load due to a weight or repeated and

unnecessary bending.

• Do not suspend the burner and mixing box from

the ﬂexible corrugated gas tube during

maintenance

1.3.11 Material damage after water ingress

If the appliance or parts of it are exposed to water

ingress, the appliance must be put out of service

immediately. All safety components that are exposed

to water must, subsequently, be replaced

IHL_UDARA_2016_11_04_BEGB

2 General information

2.1 Description

Multicalor Udara air heaters are gas-ﬁred condensing

and modulating appliances with a cleaner combustion,

automatically controlled direct current fans and a

gas-adaptive control.

2.2 Gas category

The appliance has been set for being ﬁred with natural

gas of the second family (I2N) ex-factory. If you want

to use the appliance with propane, the burner

management control system must be adjusted and a

new nameplate must be added to the appliance. Only

an engineer appointed by the manufacture can do this.

The appliance is delivered ready for use. It is

sufﬁcient to connect the ﬂue gas outlet (FGO) duct,

the combustion air supply (CAS) duct, the gas pipe,

the condensate discharge, the air ducts and the power

lines.

2.3 Standard version

The standard version of the appliance is used for the

distribution of recycled air to which no more than 25%

of outdoor air is added or for the distribution of outdoor

air to heat recovery. The appliance will work in this

mode ex-factory.

2.4 Outdoor air version

The outdoor air version of the appliance is used to

distribute air to which more than 25% of outdoor air is

added.

Warning!

If the appliance is deployed as an outdoor air

version, you must perform the changes speciﬁed

below to prevent damaging the appliance.

If you want to deploy the appliance as an outdoor air

appliance, you must order an additional insulation

set to insulate the fan compartment of the Udara air

heater. This will limit condensation on the outer

housing of the appliance.

In addition, the condensate trap must be installed

outside the appliance using an extended hose set with

regard to the upﬂow versions of the Udara.

The condensate hoses in the fan compartment must

also be safeguarded from frost, for example, by

installing thermal insulation and/or a heating ribbon

around the hoses.

If the temperature of the suctioned air drops below

freezing point, the condensate in the heat exchanger

itself can freeze. In such a case, a bypass must be

made using the air outlet duct to the suction duct so

that the suctioned air is preheated. 2

2.5 Versions

The Multicalor Udara appliances are available in 2

versions: upﬂow and downﬂow.

2.5.1 Upﬂow

Suctioning takes place at the bottom of the appliance

with regard to an upﬂow version. The blowing out of

the hot air takes place at the top of the appliance. This

is also sometimes called a top blowing version.

The ﬁlter is at the bottom of the air heater as standard.

If you want to connect the appliance on its side, you

must order an optional ﬁlter frame.

If side connection is required, we recommend ordering

a long tool life ﬁlter from the accessory range and not

to opt for the standard side ﬁlter frame with regard to

the Udara 40 and 50.

2.5.2 Downﬂow

Suctioning takes place at the top of the appliance with

regard to a downﬂow appliance. The blowing out of the

hot air takes place at the bottom of the appliance. This

is also sometimes called a bottom blowing version.

DF is added to the appliance type with regard to the

downﬂow version.

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3 Technical data

3.1 In general

The Udara air heaters are CE approved by Technigas based in Brussels and comply with the Gas Appliance

Directive 2009/142/EC. The CE label added to every appliance is the guarantee that the appliances are

continuously checked by TECHNIGAS. The appliances also meet the Machinery Directive 2006/42/EC, the

EMC Directive 2004/108/EC, the Low Voltage Directive 2006/95/EC and the Hazardous Substances Directive

2011/65/EU.

3.2 Technical data

3.2.1 Gas category I2N and I3P technical data

Udara HR (DF) 10 15 20 30 40 50

Gas category I2H, I2L, I2N, I2E, I3P

Gas appliance types B22p, C12, C32, C52, C92

Maximum load on the lower value [PCI] G20 - 20 mbar kW 10.0 14.8 19.7 29.5 39.4 49.2

Minimum load on the lower value [PCI] G20 - 20 mbar kW 1.8 2.6 3.4 5.1 6.8 8.6

Maximum power G20 - 20 mbar kW 10.6 15.7 21.0 31.4 42.1 52.5

Minimum power G20 - 20 mbar kW 2.0 2.8 3.7 5.6 7.4 9.4

Gas consumption at full load G20 - 20 mbar m³/h 1.058 1.566 2.085 3.122 4.169 5.206

Gas consumption at partial load G20 - 20 mbar m³/h 0.190 0.275 0.360 0.540 0.720 0.910

Gas consumption at full load G25 - 25 mbar m³/h 1.253 1.854 2.468 3.695 4.935 6.163

Gas consumption at partial load G25 - 25 mbar m³/h 0.216 0.313 0.409 0.614 0.818 1.035

Thermal efﬁciency at full load % 106.2 106.3 106.4 106.6 106.8 106.8

Thermal efﬁciency at partial load % 109.0 109.0 109.0 109.0 109.0 109.0

NOx emissions < 30 mg / kWh (CLASS 5 EN1020 / EN1319)

Gas category I3P

Maximum load on the lower value [PCI] G31 - 37 mbar kW 10.2 15.1 20.1 30.1 40.2 50.2

Minimum load on the lower value [PCI] G31 - 37 mbar kW 1.7 2.4 3.2 4.8 6.3 8.0

Maximum power G31 - 37 mbar kW 10.5 15.6 20.7 31.1 41.6 52.0

Minimum power G31 - 37 mbar kW 1.8 2.6 3.4 5.0 6.7 8.5

Gas consumption at full load G31 - 37 mbar kW 0.417 0.617 0.822 1.231 1.644 2.053

Gas consumption at partial load G31 - 37 mbar kW 0.069 0.099 0.13 0.195 0.260 0.328

Inlet pressure G20

G25

G31 mbar 20

Nominal air ﬂow rate m³/h 650 1200 1500 2100 3000 3500

Nominal temperatureincrease °C 51 41 44 47 44 47

Maximum discharge air temperatur °C 80

Working temperature in heating mode °C minimale 0° / maximale 35°

Nominal takenup power kW 0.17 0.20 0.26 0.30 0.55 0.60

Diameter restriction mm 3.6 4.0 4.0 4.4 6.0 6.4

Mixing box # 45 45 30 30 10 0

Venturi # 4 4 5 8 6 6

Gas connection Ø 1/2” G

FGO diameter mm 80

CAS diameter mm 80

Protection degree IP 20

Condensate discharge diameter mm 32

Condensate quantity kg/h 1.3 2.0 2.6 3.9 5.2 6.5

Power supply voltage V 230 V - 50 Hz (N + L+ PE)

Width mm 400 400 400 500 600 700

Depth mm 720

Height mm 1100 1200

Weight kg 52 66 71 84 99 122

Fuse (outside appliance) A 6T 8T 8T 16T 16T 16T

CE approval number # E1432/5671

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3.3 Overview of components

2 3

Legend

Number Meaning

1 Combustion air supply

2 Flue gas outlet

3 Control panel

4 Probe discharge air temperature (NTC 2 / NTC 5)

5 Flue gas outlet coupling

6 Mixing box and venturi

7 Ionisation electrode

8 Ignition electrode

9 Flexible gas tube

10 Burner management control system

11 Flue gas fan

12 Gas valve

13 Intake temperature probe (NTC 1)

14 Condensate discharge trap

15 System fan

16 Air ﬁlter (in downﬂow in ﬁlter cabinet)

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