Saunier Duval T 26-CS-1 (N-FR) IsoTwin Condens Instruction Manual

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IsoTwin Condens
T 26-CS/1 (N-FR) T 31-CS/1 (N-FR)

Instruction manual

Security

Intended use

This product is a generator specially designed heat for circuit-operated heating systems closed and water production sanitary hot.
Proper use of the device also assumes:

• use of the product in compliance with the instructions for use supplied with the product as well as the other components of the installation
  ­

• respect for all inter inspection and main tenance va lles that appear in the manuals

Any use other than that described in this manual or beyond the stipulated scope
in the notice will be considered as non-compliant.

Any misuse is prohibited.

Qualifications

• Entrust the installation, conversion and adjustment of produced exclusively to a qualified professional.

As a user, you are authorized to perform all work described in the this notice.

Exception: this product can be used by older children at least 8 years old as well as people who are not in full possession of their physical, sensory or mental capabilities, or who lack experience or knowledge, provided that they have been trained to use the product safely, that they understand the risks incurred or that they are properly supervised.

Children should not play with this product. Cleaning and routine maintenance which are the responsibility of the user above all must not be carried out by children without monitoring. The work described in the other notices must only be carried out by persons who meet the specified criteria for these tasks.

General guidelines for security

The following chapters contain information important for safety. He it is essential to read this information and take it into account to avoid any danger of death, risk of injury, damage material or damage environmental.

Gas

If you smell gas: ÿ Avoid rooms where you smell gas.

• If possible, open doors and windows wide to create drafts.
• Open doors and windows wide to create drafts. ÿ Switch off the product. ÿ Contact a qualified professional.
• Avoid naked flames (eg lighter or matches).
• Do not smoke.
• Do not use any electrical switch, mains plug, bell, telephone or other intercom in the building.
• Close the gas meter shutoff device or the main shut-off device.
• If possible, close the gas shut-off valve of the product.
• Warn residents by calling or knocking on their door.
• Immediately exit the

Subsequent changes

• Never remove, bridge or block safety devices.
• Do not tamper with any safety devices.
• Do not damage or re never pull the sealed components of the product.
• Do not make any changes: ­ at product level ­ at gas, air, water and electrical supply lines ­at installation level building and make sure no one enters it.
• Notify the police and the firefighters as soon as you leave the building.
• Notify the ur service gas supplier’s office with a telephone located outside the building.

Combustion gases

If you smell combustion gas:

• Open doors and windows wide to create drafts. ÿ Switch off the product. ÿ Contact a qualified professional.

Subsequent changes

• Never remove, bridge or block safety devices.
• Do not tamper with any safety devices.
• Do not damage or re never pull the sealed components of the product.
• Do not make any changes:
  • at product level
  • at gas, air, water and electrical supply lines
  • at installation level combustion gas discharge
  • at the level of the condensate discharge system
  • at the level of the safety valve
  • at the pipe level
• Ensure that the combustion air supply is connected to the combustion air supply be sufficient at all times nence.

Material damage

• Ensure that the air in the combustion is free from fluorine, chlorine, sulfur, dust etc
• Make sure that there are no chemical substances stored in the room installation.
• Make sure that the heating installation remains in service in any case when it freezes, but also that all rooms are sufficiently heated. let the product switched on at the main switch.
• If you cannot do so that the installation of heating remains on, have it drained by a specialized installer.
• Be sure to complete the heating system with heating water adapted. If in doubt, contact your professional qualified.

Legionella

• Check with your qualified professional regarding the measures that were taken in your ins as part of the anti-legionella function.
• Do not adjust the temperature water below 60°C without first consulting the qualified professional.

Notes on the documentation

• It is essential to comply with all the user manuals which accompany the components of the installation.
• Keep this number carefully. tice as well as all other documents applicable supplements for future reference.

This notice applies exclusively to the following products:
Product – article reference

Product Description

Display and elements of ordered

seconds
• Reset  key: long  press  more  than  3 seconds  to  restart
| Setting  the  flow  temperature  or the  desired  temperature
| Water  temperature  adjustment hot
| • Setting  time  slots Operating
| • Back  to  previous  level
• Cancellation  of  entry
| • Access  the  menu
• Back  to  main  menu
• Access  to  the  basic  display
| • Validation/modification  of  the selection
• Recording  of  the  value  of setting
| • Navigation  in  the  structure menus
• Decrease  or  increase  the setting  value
| Device  main  switch
• Located under the product,  on the side right.
• Turns off the product, deactivates the frost protection function.

Symbols displayed

• Fixed  display: pressure of fill  in  range eligible Element
• Flashing  display:  filling pressure  outside  the permissible  range
| Heating  mode  activated:
• Fixed  signal: burner off, heat  demand present
• Flashing  signal: burner on, heat demand present
| Domestic hot water production activated:
• Fixed signal: burner off, no heat demand
• Flashing signal: burner on, heat demand present
| Installer menu enabled
| Lock screen
| The product is busy.
| Contact a qualified professional.
| Reset function
| Chimney sweep mode (running combustion analysis)
| Scheduled heating activated
| Smart eco function activated
| Clock setting:
• Permanent display: the time is set
• Flashing display: the time needs to be set
| Warning
| Fault in the product: Appears instead of the basic display, with explanatory plain text if necessary.
| Rescue  method:
Appears in place of the basic display, with plain text explanation where appropriate.
| Maintenance Required:
Appears in place of the basic display, with plain text explanation where applicable.

Serial number

The serial number is affixed at the factory on the identification plate and on the brief instructions for use. Numbers 3 to 6 correspond to the production date (year/week) and numbers 7 to 16 to the article number of the product.

CE marking

The CE marking certifies that the products comply with the basic requirements of the applicable directives, in accordance with the declaration of conformity.
The declaration of conformity is available from the manufacturer.

Operation

Operating concept

Values and options can be changed and adjustable via buttons

Any modification of a value must be validated with . The new setting is only saved after validation.

Basic display

When the status display appears, press on to access the display of the base.
The basic display is used to set the desired hot water temperature.
The flow temperature is the temperature at which the heating water leaves the heat generator (eg 65°C).
Press to set the domestic hot water mode temperature.

The other hot water mode settings health are covered in the chapters correspondents.
When the basic display appears, ap press In to access the menu: the presence of a fault, the display of base gives way to a fault message.

Command levels

When the basic display appears, go to the menu to access the user command level.
The level reserved for the installer (access technician) requires knowledge very specific. This is why it is protected by an access code.

Heating mode

In heating mode, the rooms are heated according to your settings.

Setting the temperature of start of heating

Condition: No controller connected and mode scheduled heating is disabled

• From the “basic display”, ap press once on to display the flashing symbol.
• The set heating flow temperature appears on the display.
• Press to set the where heating flow temperature which agrees.
• Confirm with .
• The set temperature flashes 2 times quickly.

Condition: No controller connected and mode programmed heating is activated

• Deactivate the scheduled heating mode (• page 9).
• From the “basic display”, ap press once on to display  the flashing symbol.
• The set heating flow temperature appears on the display.
• Press the  where to adjust the heating flow temperature which agrees.
• Confirm with .
• The set temperature flashes 2 times quickly.
• Activate scheduled heating mode (ÿ page 9).

Condition: Controller connected

• From the “basic display”, ap  press once on to display  the flashing symbol.
• on or oFF appears on the screen.
  • indicates that the heating mode is activated.
  • oFF indicates that the heating mode is deactivated.
  • If the display shows oFF, then press on the key to activate the mode heater.
• Confirm with .
• one flashes 2 times quickly.
• Set the flow temperature of the heating that suits the level of the regulator (ÿ operating manual for the regulator).

Adjusting the settings of the heating ranges

1. Press .

2. Press to adjust the and heating flow temperature on the ranges and validate with .

3. Press to view the  heating flow temperature outside the ranges.

4. Press .
   • The following screen is displayed:

5. Press and to configure the heating operating ranges.

6. Validate a heating range and not go to the next one with .

7. Validate and go to the configuration of the next day with .

8. Proceed in the same way for the other days of the week.

Remark
Every day of the week is individually configurable and numbered from 1 to 7: the nude mero 1 corresponding to Monday, number 2 to tuesday and so right now.

Deleting the setting heating ranges

1. Press .

2. Press once to validate.

3. Press more than 3 seconds to delete the settings.
   • The time axis flashes, tracks configured settings have been deleted

4. Press once  to validate.

Activating/deactivating the programmed heating mode

1. From the “basic display”, make a long press on  .
   We are visible on the screen for a few seconds counts and appears on the screen basic. The programmed heating mode is activated.

2. Disable pro heating mode grammed with a long press on  .
   Off is visible on the screen a few seconds. The programmed heating mode is deactivated.

Deactivating the mode heater

• From the basic display, press for at least 5 seconds.
• Heating mode is deactivated.

Domestic hot water mode

The domestic hot water mode is used to bring drinking water to the water temperature desired hot.

Temperature setting domestic hot water

1. From the basic display, ap press 1 time on to display the symbol.
2. Press • The . domestic hot water temperature appears on the screen.

Condition: No controller connected

• Press to set the and domestic hot water temperature which agrees.
• Confirm with .
• The set temperature flashes twice quickly.

Condition: Controller connected

• Set the correct domestic hot water temperature on the controller (ÿ controller operating instructions).

Deactivating water mode domestic hot water

• From the basic display, press for at least 5 seconds. ÿ The domestic hot water mode is disabled.

Activating/deactivating the smarteco-mode

Note
The Smart eco mode for reheating domestic hot water has been developed to optimize energy efficiency in domestic hot water mode according to the habits and pace of life in each household.
During the “comfort” period, the product favors the sanitary comfort of the user. During the “eco” period, the product favors energy savings.

1. From the “basic display”, ap press 7 times to display the flashing symbol.
2. Press to activate or deaactivate Smart eco mode.
3. Validate with . • is displayed  on the screen.

Mode overview

Smart eco domestic hot water
The intelligent domestic hot water reheat function is capable of an anticipate the user’s expectations by knowing whether the volume of water stored will be suffi cient to meet demand or whether the start-up of the boiler is necessary in order to limit untimely restarts, reduce gas consumption, reduce noise and thus increase the life of the product.

It is possible to activate and deactivate the Smart eco mode via the main menu of the product.

Learning phase of the “intelligent” function of domestic hot water mode

A learning phase is necessary to ensure correct operation of the intelligent function for reheating the domestic hot water stored in the product. The learning phase is transparent for the user and does not require any specific action. Simply use the product normally.

The learning phase is based on the 7 days of the week (24/24h with an accuracy of 1/4h).

Once the learning phase is completed, the periods of use, the types of demands and the volumes of water will be identified.
A graphic representation of the learning phase can be found in the appendix to better understand the operating principle.

Integration of the “smart” function in domestic hot water mode

The intelligent domestic hot water reheat function interprets the results of the learning phase and will respond as follows depending on the type of period.
During periods of low domestic hot water demand (eco), the boiler

legie energy savings by taking action as follows :

• Heating the water tank(s) domestic hot water will be timed until reach a delta of 10K in the ball(s) in relation to the setting of the setpoint or a temperature < 45°C.
• Heating the water tank(s) domestic hot water will be activated only when the sum of the volumes of water drawn will be > 30 litres. Or if the instantaneous draw-off rate is > 10 L/min for 90 sec. In times of high hot water demand sanitary (comfort), the boiler favors the sanitary comfort of the user by acting as follows:
• Heating the water tank(s) domestic hot water will be timed until a delta of 5K is reached in the balls in relation to the setting of the order.
• Heating the water tank(s) domestic hot water will be activated only when the sum of the volumes of water drawn will be > 10 litres. Or if the instantaneous draw-off rate is > 10 L/min for 30 sec.

Mode Setup holidays

1. Press .

2. Press until the screen above appears.
   
   Remark
   **** oFF is displayed, the function is disabled.

3. Activate the function by setting a duration in days with and then confirm with .
   • Screen saver counts down the days until the end of the determined holiday period.

4. Exit vacation mode by pressing on .

Locking and unlocking user interface

1. Press the key until dye symbol .

2. Validate with .
   • Screen is locked

3. Press the or key for 3 seconds to unlock the user interface.

Visualization of energy consumption of the product

You have the possibility to consult the different energy consumption of your product.
When the basic display appears, go to the menu to access the user command level.

Enabling access user

1. Press the key until dye symbol.

2. Set the reserved menu code to the user and confirm with .
   • Code for user access: 00
   Consultation of energy consumption of the product
   

3. Consumption energy for the heater

4. Consumption energy for hot water sanitary

5. Consumption electric

6. Consumption gas

7. Enable user access (ÿ page 12).

8. Validate with .
   • and GAS appear on the screen as well as gas consumption of the day of your product to produce heating.

9. Consumption daily energy

10. Consumption of the previous day

11. Consumption of the previous month

12. Consumption of the previous year

13. Consumption total product and

14. Press to consult the and daily consumption, the consumption of the previous day, that of the previous full month and the annual consumption.

15. Press to view the different types of consumption EL/GAS of your product.

16. Use cedent. to return to the pre menu

Care and maintenance

Product maintenance

• Clean the casing with a cloth moistened with soapy water.
• Do not use aerosol, pro abrasive product, washing-up liquid, solvent or chlorinated detergent.

Maintenance

Only an annual inspection and biannual maintenance, carried out by a specialized installer, can guarantee the availability and safety, reliability and longevity of the product. It may be necessary to anticipate the maintenance intervention, depending on the findings of the inspection.

List of maintenance messages

The symbol appears on the screen when a product maintenance visit is necessary.
The device is not in fault mode and is operating normally.

• Contact a specialist installer for this.
• If the water pressure starts flashing simultaneously, just add heating water.

Pressure check heating circuit filling level

Checking the heating circuit pressure filling the heating system 1.

1. From the basic display, ap press 3 times on .
   • The display shows the current filling pressure value.
   • The symbol flashes on the screen.

2. Check the filling pressure on the screen.

3. If the filling pressure falls below 0.8 bar (0.08 MPa), fill the heating installation (ÿ page 13).

Remark
If the heating installation supplies several floors, it may be necessary to establish higher filling pressure. Ask your specialist installer for advice.

Topping up the heating system

Note
The heating system top-up depends on the actual configuration of the system. If the following steps are not suitable for installation, contact a qualified professional.

1. Open all thermostat valves radiator ticks from the heating installation.

2. Slowly open the fill loop valve. Run the water until the pressure required for the installation is reached.

3. Close the rem loop valve pleating.

4. Drain all radiators at the connection provided for this purpose (at the top of the radiator, on the left or on the right).
   Note You can use a trap key.

5. Recheck the system pressure after purging. (ÿ page 13)

6. Repeat the filling and bleeding steps if necessary.

7. Close the fill valve.

Checking the condensate drain line and drain funnel

The condensate drain pipe and the evacuation funnel must always remain clear.

• Regularly inspect the condensate drain line and the drain funnel for any defects, especially clogs.
  There must be no foreign bodies visible or perceptible to the touch in the condensate drain pipe and the evacuation funnel.

• Call in a specialist fitter if you notice any faults.

Troubleshooting

• In the presence of fault codes (F.XXX), emergency mode codes (N.XXX) on the screen or even operating anomalies, proceed as indicated in the table in the appendix.
  Error codes (ÿ page 17) Troubleshooting (ÿ page 17)

• If the operations listed in theta damage does not allow the fault or operating anomaly to be remedied, contact a qualified professional.

• If rescue mode messages appear on the screen, contact a qualified professional.

Decommissioning

Temporary decommissioning of the product

1. Press 2 .

Close the gas shut-off valve on the product and switch off the main switch only if there is no risk of frost.
Close the cold water shut-off valve.

Final decommissioning of the product

• Entrust the final decommissioning of the appliance to a specialized installer.

Restarting

1. Switch on the main switch of the device if it was switched off.
2. Open the product’s gas shut-off valve if it is closed.
3. Press  if the main switch of the device was on.
4. Open the cold water shut-off valve.

Recycling and disposal

• Entrust the disposal of the packaging to the specialist installer who installed the product.

If the product bears this symbol:

• In this case, do not dispose of the product with household waste.
• Dispose of the product at a collection point for waste electrical and electronic equipment.

If the product contains batteries that bear this symbol, it means that the batteries may contain harmful or polluting substances.

• In this case, dispose of the batteries at a collection point for used batteries.

Guarantee and after-sales service

Warranty

To obtain information regarding the manufacturer’s warranty, please contact the address indicated on the back.

After-sales service

The contact details of our after-sales service are indicated on the back or on the website www.saunierduval.fr.

Annex
A Intelligent domestic hot water reheat function – result of a learning phase over one day

AT Drawing volume (l/1/4 hour) Time
B1 Period without need at night (eco)
Periods of high needs (comfort)
Average requirement
Periods of low need (eco)

B Status codes

Remark
As the code table is used for different products, some codes may not be visible for the affected product.
The code table only gives an extract of the codes as a whole.

phase.
pre-operation.
S.003| The heating mode is active and the appliance is in the ignition phase.
S.004| The heating mode is active and the burner is in operation.
S.006| The heating mode is active and the fan is in the on phase at empty.
S.007| The heating mode is active and the heating pump is in the heating phase.
empty walking.
S.008| The heating mode is active and the appliance is in the phase of cutting off the burner.
S.020| There is no demand associated with the hot water tank load sanitary.
S.022| Domestic hot water tank charging is active and the pump is in the pre- operation phase.
S.024| Domestic hot water tank charging is active and the burner is Operating.
S.031| Heating mode is disabled and there is no water demand sanitary hot.
S.034| The frost protection function is active.

C Error codes

Remark
The code table only gives an extract of the codes as a whole.

F.022
There is no or not enough water in the product or water pressure is too low.| Lack of water in the heating installation| 1. Check the filling pressure of the heating  installation. (ÿ  page 13)
2. Top up the water in the installation of heater.  (ÿ  page 13)
F.028
The flame signal was not detected during the ignition phase.| After five unsuccessful ignition attempts, the product switched to mode fault.| 1. Check that the gas shut-off valve is open.
2. Press the reset key for more than 3 seconds.
• Maximum number of repetitions:  3
3. If you cannot remedy the problem ignition,  contact a qualified professional.

D Troubleshooting

valve of the gas installed on site and/or the shut-off valve product gas is firm.| • Open both gas stopcocks.
The electrical supply to the building is cut off.| • Check the building supply fuse. The product automatically turns back on when the power supply is restored.
The stop valve cold water supply is closed.| • Open the cold water shut-off valve.
The product is discontinued.| • Restarting the product. (9 page 14)
The temperature am  temperature-regulated hot water is too low and/or the heating mode/the domestic hot water mode is off.| 1. Set the flow temperature of the heating/the age. (9 page 8)
2. Set the hot water temperature sanitary. (9 page 9)
There is air in the heating installation.| 1. Bleed the heating system (9 cha pitre Back-up of the heating system).
2. If you can’t purge the installation
heating by yourself, contact a qualified professional.
Heating does not does not turn on
(water production domestic hot  water is operating normally)| The external controller is incorrectly set.| • Parameterize the external controller as required must (ÿ controller operating instructions).

Provider
SAUNIER DUVAL EAU CHAUDE CHAUFFAGE
SAS with a capital of 19,800,000 euros – RCS Créteil 312 574
346 social: 8 Avenue Pablo Picasso 94120 Fontenay-sous-Bois
Seat Telephone 01 4974 1111 www.saunierduval.fr
Fax 01 4876 8932

Publisher/Manufacturer
17, rue de la Petite Baratte
Telephone +33 24068 1010
SDECCI SAS
44300 Nantes
© These notices are subject to copyright law and any reproduction or distribution, whether total or partial, requires the written authorization of the
manufacturer.
Fax +33 24068 1053
Subject to technical changes.

References

• Saunier Duval plus de 110 ans à vos côtés | Fabricant français

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