Ariston micro GENUS Type C User`s manual

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Ariston micro GENUS Type C User`s manual | Manualzz

Users

Manual

Dear Customer,

Thank you for choosing an ARISTON boiler.

We guarantee that your boiler is a reliable and technically sound product.

This User's Manual provides detailed instructions and recommendations for proper installation, use and maintenance.

Remember to keep this manual in a safe place for future reference i.e. by the gas meter.

Your local MTS Servicing Centre is at your complete disposal for all requirements.

The guarantee on this appliance is valid for 24 months from the first day of installation.

Repairs to the electric, hydraulic or gas circuits may be carried out only by your local authorised MTS

Servicing Centre.

Every attempt has been made to avoid errors of any kind in this User's Manual, the Management invites customers to inform of any inaccuracies which they may find.

This will help to improve our service

2

TABLE OF CONTENTS

1.

G ENERAL I NFORMATION

Technical Information

Control Panel

2.

O PERATING I NSTRUCTIONS

3.

U SEFUL I NFORMATION

AND T ROUBLESHOOTING

4.

M

AINTENANCE

5.

C

HANGE OF

G

AS

T

YPE

6.

T IME C LOCK page 4 page 5 page 6 page 8 page 14 page 16 page 16 page 17

I MPORTANT

!

Please read this manual carefully.

For additional information, please consult the “Installation and Servicing

Instructions.

Make sure to keep the manuals provided with the appliance so that they can be used by the end-user, installer or our authorised engineer.

3

1. G

ENERAL

I

NFORMATION

MTS (GB) Limited support the initiative. Your installer will give you, and show you how to use, a logbook which will give you important information about your boiler, and heating system. Please have this logbook to hand whenever you contact a service engineer or us.

All CORGI Registered Installers carry a

CORGI ID card, and have a registration number. Both should be recorded in your boiler Logbook. You can check your installer is CORGI registered by calling CORGI direct on :- (01256)

372300.

This is a combined appliance for the production of central heating (C.H.) and domestic hot water (D.H.W.).

This appliance must be used only for the purpose for which it is designed. The manufacturer declines all liability for damage caused by improper or negligent

4 use.

Do not allow children or inexperienced persons to use the appliance without supervision.

If you smell gas in the room, do not turn

on light switches, use the telephone or any other object which might cause sparks.

Open doors and windows immediately to ventilate the room.

Shut the gas mains tap (on the gas meter) or the valve of the gas cylinder and call your Gas Supplier immediately.

If you are going away for a long period of time, remember to shut the mains gas tap or the gas cylinder valve.

Before any intervention within the boiler it is first necessary to cut off the electrical power supply by turning the external switch to “OFF”.

This manual may be kept in the front panel of the boiler.

T

ECHNICAL

I

NFORMATION

GENERAL DATA

Heating input max-min

Heating output max-min

Efficiency at Maximum Thermal Capacity (see installation instructions)

CENTRAL HEATING

Operating Temperature max-min

Maximum-Minimum Heating Pressure

Built-in expansion vessel - Total capacity

DOMESTIC HOT WATER

Maximum-Minimum Temperature of

Water for Domestic Use

Working pressure max-min

Flow rate ∆ T 25°C

Flow rate

T 35°C

Minimum flow rate

ELECTRICAL DATA

Electrical Supply/ Frequency

Power Consumption

Protection of Electrical System

CATEGORY

Nominal Pressure/Methane Gas (G20-G25)

Nominal Pressure/Liquid Gas (G30-G31)

°C bar l/min l/min l/min

V/Hz

W

IP kW kW

%

°C bar litres mbar mbar

23 kW

25.6-11.0

23.8-9.7

92.9

82-42

3-0.7

6

56-36

8-0.2

13.6

9.7

2.6

230/50

140

X4D

20-25

30-37

27 kW

29.8-12.0

27.8-10.5

93.5

82-42

3-0.7

6

56-36

8-0.2

?

?

2.6

230/50

155

X4D

20-25

30-37

5

6

C

ONTROL

P

ANEL

23/27 MFFI

L

EGEND

:

A - On/Off knob

B - Domestic hot water temperature adjustment knob

C - Central heating selection

(winter) and temperature adjustment knob

D - On/Off L.E.D. (green)

E - Fume sensor L.E.D. (yellow)

F - Ignition failure (lockout)

L.E.D. (red)

G - “Economy/Comfort” mode selection knob

H - Ignition failure (lockout) and/or overheat reset button

I - Overheat L.E.D. (red)

J - Low system water level

L.E.D. (red)

K - Central heating temperature

L.E.D (yellow)

L - Time clock

M - Heating system pressure gauge

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2.

OPERATING INSTRUCTIONS

C AUTION

I nstallation, start-up, adjustments and maintenance must be performed by a competent person only, in accordance with the current Gas

Safety (Installation & Use)

Regulations and the instructions provided. Improper installation may cause damage or injury to individuals, animals and personal property, for which the manufacturer will not be held liable.

To ensure efficient and safe operation it is recommended that the boiler is serviced annually by a competent person.

If it is known or suspected that a fault exists on the appliance, it must not be used until the fault has been corrected by a competent person.

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To get the most out of your boiler, we have provided you with some useful advice on proper use and maintenance:

- Periodically check the system pressure using the pressure gauge

“M”, make sure that the pressure is between 1.0 and 1.5 bar (the blue part on the gauge) when the system is off and cool. The warning L.E.D.

“L” will indicate if the pressure is below the minimum recommended

M

H

ELPFUL

S

UGGESTIONS

UT009A

value. Consult your installer for checking and refilling the system.

- The outer panels of the unit's case must only be cleaned with a damp cloth. Do not use abrasive cleaners.

The control panel can be wiped with either a damp or dry cloth. Spray polishes must not be used on the control panel surface or knobs. Care must be taken in preventing any liquid entering the appliance.

P

RACTICAL TIPS

- If the water is very hard, it is recommended that a water softener be added to the system so as to reduce the formation of limescale in the boiler exchangers. This will ensure that the efficiency of the unit remains the same over time, reducing gas consumption and maintenance costs.

- If the boiler should be out of use for a prolonged period, it is recommended that the electrical power supply be disconnected and that the external gas cock be closed.

If low temperatures are expected, the boiler and system pipe work should be drained in order to prevent frost damage.

- To improve comfort and take full advantage of the heat produced by the boiler, it is recommended that an external (room) thermostat be installed.

- It is good practice to clean and service the appliance and central heating system every year.

Call an Authorised Service Centre.

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I

GNITION PROCEDURE

Turn the selector knob “A” to the “J” position. The green L.E.D. “D” will boiler fail to ignite a second time, check that the external gas cock is open. If the problem persists, contact an

Authorised Service Centre.

D A

F H

RESET

UT011Aa UT011Aq illuminate indicating that the boiler is ready to operate. The centralised electronic control unit will ignite the burner, without any manual intervention but in response to the request for domestic hot water or heating. If, after approximately 10 seconds, the burner has not ignited, the boiler safety devices will shut off the gas and the red

L.E.D. “F” illuminates. To reset the ignition system, the reset “H” must be pressed and released. Should the

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UT011Ac

W

UT011Ad

INTER AND SUMMER

OPERATING MODES

In the ‘winter operating mode’, the boiler will produce both central heating and domestic hot water. In the ‘summer operating mode’, the boiler will produce only domestic hot water.

Using the knobs on the control panel,

the user can select winter or summer operating mode. Keeping the knob “C” at the “0” position selects the summer operating mode. Winter operating mode may be selected by positioning the knob “C” between the min. and max. settings.

somewhere between min. and max., a temperature may be obtained which varies from approximately 45˚C to about 80˚C.

K

A DJUSTING THE HEATING summer winter

The water temperature in the primary circuit may be checked by means of the yellow L.E.D.s

“K”.

E XTERNAL ( ROOM ) THERMOSTAT

CONTROL

C

UT011Ae UT011Af

C

It is possible to set the temperature of the heating system by adjusting the knob “C”. By positioning the indicator

If an external (room) thermostat is installed, it is recommended that the temperature of the heating system be set by means of the “C” knob, leaving

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it at max in order to obtain the best performance from the boiler and to allow the regulation of the external temperature to function efficiently.

C

UT011Ar temperature for the water may be chosen in a range from 36˚C to about

56˚C, depending on the flow rate of the water and the position of the knob between the min. and max. settings.

S

ETTING THE HOT WATER FOR

DOMESTIC USE

Both in the winter and summer mode, the temperature of the domestic hot water may be adjusted by using the “B” knob. A d e l i v e r y

B

UT011As

12

E CONOMY / COMFORT MODE

The selector knob

“G” allows the user to choose the economy mode

(position “E”) or the comfort mode

(position “C”).

G

The economy mode is the normal state for the operation of the boiler, since the domestic water is heated up only when a tap is turned on.

The comfort mode is a special operating state, because the water contained in the secondary exchanger and in the primary exchanger is kept in a preheated condition, thereby allowing a quicker delivery of domestic water when required. The latter is therefore the more convenient choice.

T

URNING OFF THE BOILER

To turn the boiler off, rotate the selector knob “A” to the “0” position (OFF); the respective green L.E.D. “D” will go off.

Close the gas cock located under the boiler and turn the electricity supply switch (located outside the boiler) to the OFF position.

T

URNING OFF CENTRAL HEATING

A D

To turn off the central heating, rotate the “C” knob to the “0” position.

The boiler will stay in summer mode, just p r o v i d i n g

C domestic water on request.

UT011Ae

UT011Ab UT011Aa

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3. USEFUL INFORMATION

AND TROUBLESHOOTING

B

OILER SHUTDOWN SITUATIONS

The boiler is equipped with safety devices that intervene in certain situations and shut it off. Most of these situations are communicated by means of the L.E.D.s and at times the user may be able to remedy them.

S

HUTDOWN DUE TO IGNITION

FAILURE

J

In the event that the automatic ignition of the burner has failed, the red F

RESET

H

UT011Ai

14

L.E.D. “F” will illuminate. In order to reset the ignition, the button “H” must be pressed and released. Should the boiler fail to ignite a second time, check that the external gas cock is open. If the problem persists, contact an

Authorised Service Centre.

S

HUTDOWN DUE TO OVERHEATING

In the event that the safety limit is exceeded for the temperature of the water in the boiler’s primary exchanger, the thermostat shuts off the boiler and the red L.E.D. “J” illuminates.

To remedy this situation, wait a few minutes to allow the exchanger to cool down, then press and release the reset button “H”.

If this situation occurs frequently, contact an Authorised Service Centre.

S

HUTDOWN DUE TO INSUFFICIENT

WATER CIRCULATION within the system, have a plumber check the heating system for possible water leaks.

If the red L.E.D. “L” is illuminated and the boiler is off, one

L possible cause for this state is an insufficient UT011Al pressure of water in the system.

Check the system pressure on the pressure gauge “M” and if it is less than 0.5 bar, consult your installer for checking and refilling the system.

Then turn off and turn back on the boiler by means of the selector knob

“A”. If the boiler does not start up again and the L.E.D. “L” remains illuminated, contact an Authorised

Service Centre.

If there are frequent drops in pressure

T

EMPORARY SHUTDOWN DUE TO

DEFECTIVE DISCHARGE OF

EXHAUST FUMES

The boiler is fitted with safety devices, which in the event of a defective discharge of exhaust fumes, automatically interrupts the gas supply, thereby shutting off the boiler.

The shut-off of the boiler is temporary and is indicated by the illumination of the yellow L.E.D. “E” for a period of about 15 minutes.

Once this time period has passed and the discharge state of exhaust fumes has returned to normal, the boiler automatically turns back on.

15

I

MPORTANT

!

If this situation occurs frequently, contact an Authorised Service Centre.

so that they may check that the exhaust fumes are being expelled correctly and that the area is ventilated properly.

A NTI FROST DEVICE

4. MAINTENANCE

Schedule an annual maintenance check-up for the boiler with a competent person.

Correct maintenance always results in savings in the cost of running the system.

The boiler is fitted with a device which, in the event that the water temperature goes below 5°C, the three-way diverter valve switches to domestic hot water and the burner turns on at minimum power until the water in the boiler has reached a temperature of about 50°C.

This device is only activated when the boiler is operating perfectly and

- the system pressure is sufficient;

- the boiler is powered electrically;

- gas is being distributed.

16

5. CHANGE OF GAS TYPE

Our boilers are designed to function either with Natural Gas (methane) or

LPG gas. If you need to changeover from one gas to the other, one of our

Authorised Service Centres should be contacted.

6. TIME CLOCK inside (off setting) to the outside of the clock border (on setting), the circuit is closed (switch on) for a period of 15 minutes and then the boiler starts if the room thermostat (if installed) or the heating thermostat require heat

(heating function on).

UT011Ap

N

OTE

: the time clock is for central heating control only.

The time clock is provided with 96 switches, called riders, each of which covers a time interval of 15 minutes

(four per hour).

When a rider is switched from the

EXAMPLE

To set the heating of your home in the time interval from 7.00 am to

9.30 am and from 7.00 pm to 10.00

pm every day:

- rotate the outer ring of the clock in a clockwise direction until the correct time of day (24h) lines up with the arrow on the clock (at approx. 2 o’clock position);

- under no circumstances should the minute hand be moved manually;

- make sure all the switches, i.e. the riders, are placed on the inside of the

17

clock border;

- pull outward the riders for 7.00 am and 9.30 am, and then all riders between these two;

- repeat this for 7.00 pm and 10.00

pm.

Other heating intervals may be set in the same way.

The timer has approximately 150 hours of battery back up for power failure.

on and will only shut off upon the request of the room thermostat (if installed) or the heating thermostat;

2. Position “O”

HEATING OFF: in this position, the clock circuit is always open (switch off) and the boiler will therefore never ignite for heating;

The clock is provided with a selector switch with three positions (see figure):

1. Position “I”

CONSTANT: in this position, the clock circuit is always closed (switch on), therefore the boiler

18 will constantly be

UT014A

3. “Central” Position

PROGRAMMING

ACTIVE: in this position, the programming set by the user is active.

UT014A

UT014A

T ECHNICAL D ATA

Ambient temperature:

Running

- 10°C to + 55°C reserve:

Shortest

150 h (not for 1.5 V DC)

switching time: 15 minutes

Programmable: Every 15 minutes

19

Manufacturer:

Commercial subsidiary:

Merloni TermoSanitari SpA - Italy

MTS (GB) LIMITED

MTS Building

Hughenden Avenue

High Wycombe

Bucks HP13 5FT

Telephone: (01494) 755600

Fax: (01494) 459775

Technical Service Hot Line: (01494) 539579

20

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Questions and Answers

How do I turn on the boiler?
Turn the selector knob "A" to the "J" position.
What should I do if the boiler fails to ignite?
Check that the external gas cock is open. If the problem persists, contact an Authorised Service Centre.
How do I switch between winter and summer operating modes?
Use the knobs on the control panel. Keeping the knob "C" at the "0" position selects the summer operating mode. Winter operating mode may be selected by positioning the knob "C" between the min. and max. settings.
How do I adjust the temperature of the heating system?
Use the knob "C". By positioning the indicator somewhere between min. and max., a temperature may be obtained which varies from approximately 45℃C to about 80℃C.
How do I adjust the temperature of the domestic hot water?
Use the knob "B". A delivery temperature for the water may be chosen in a range from 36℃C to about 56℃C, depending on the flow rate of the water and the position of the knob between the min. and max. settings.
How do I turn off the boiler?
Rotate the selector knob "A" to the "0" position (OFF).
How do I turn off the central heating?
Rotate the "C" knob to the "0" position.

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