Accorroni PLAY 24 Bedienungsanleitung

PLAY 24 - 28 - 32

Wall-mounted gas condensing boiler

for heating and DHW production

PLAY24 - 28 - 32

INSTALLATION MANUAL

Gentlemen,

thanking you for the preference given to us in choosing and purchasing our boilers, we invite you to carefully read these

instructions concerning the correct installation, use and maintenance of the aforementioned appliances.

We inform the user that:

1. according to the provisions of Law no.46 of 5 March 1990:

• the boilers must be installed by an authorized installation company which is required to strictly

comply with the regulations in force;

• the installation company is required by law to issue the declaration of compliance with the

regulations in force for the installation carried out;

• anyone who entrusts the installation to an unauthorized installation company is liable to an

administrative penalty;

• maintenance of the boilers can only be carried out by qualified personnel, in possession of the

requisites established by current legislation;

2. according to the provisions of Presidential Decree no.74 of 16 April 2013:

• the compilation of the system booklet, after detecting the combustion parameters, must be carried

out by the installing company.

Carefully read the warranty conditions and the advantages offered by the manufacturer and reported on the

inspection certificate attached to the boiler.

The compilation of the inspection certificate by an Authorized Service Center allows you to enjoy the

advantages offered by the manufacturer as specified in the inspection certificate itself.

The completion of the inspection certificate by an Authorized Service Center is FREE.

Pursuant to art. 26 of the Legislative Decree 14 March 2014, n. 49 "Implementation of Directive 2012/19 / EU on waste

electrical and electronic equipment (WEEE)" the crossed-out bin symbol shown on the appliance and on the packaging

indicates that the gas boiler, at the time of its disposal, must be collected and disposed of separately from other waste (see

paragraph END OF LIFE DISPOSAL).

General notes for the installer, maintenance technician and user

Questo libretto di istruzioni, che costituisce parte integrante ed essenziale del prodotto, dovrà essere consegnato dall’installatore all’utiliz-

zatore che deve conservarlo con cura per ogni ulteriore consultazione.

Questo libretto di istruzioni deve accompagnare l’apparecchio nel caso venga venduto o trasferito.

This instruction booklet, which is an integral and essential part of the product, must be delivered by the installer to the

user who must keep it carefully for any further consultation.

This instruction booklet must accompany the appliance in case it is sold or transferred.

Installation must be done in compliance with current regulations and according to the manufacturer's instructions contained in this booklet:

incorrect installation can cause damage to people, animals and / or things, damage for which the manufacturer is not responsible.

Damage caused by installation or use errors or due to non-compliance with the manufacturer's instructions exclude any contractual and

extra-contractual liability of the manufacturer.

Before installing the appliance, check that its technical data correspond to what is required for its correct use in the system.

Also check that the appliance is intact and that it has not been damaged during transport and handling operations: do not install appliances

that are clearly damaged and / or defective.

Do not obstruct the air intake grilles.

For all appliances with options or kits (including electrical ones) only original accessories must be used.

At the time of installation, do not dispose of the packaging in the environment: all materials are recyclable and therefore must be conveyed

to the appropriate separate collection areas.

Do not leave the packaging within the reach of children as they can, by their nature, be a source of danger.

In case of breakdown and / or faulty operation of the appliance, deactivate it and refrain from attempts to repair or direct intervention:

contact only qualified personnel.

Any repairs to the product must be carried out with the use of original spare parts.

Failure to comply with the above may compromise the safety of the appliance and expose people, animals and / or things to danger.

Provide periodic maintenance of the appliance according to the schedule specified in the appropriate

section of this booklet.

Proper maintenance of the appliance allows it to work in the best conditions, respecting the

environment and in full safety for people, animals and / or things.

Incorrect maintenance both in terms of methods and times can be a source of danger for people,

animals and / or things.

The manufacturer advises its customers to contact the network of its authorized Service Centers for maintenance and repair operations,

which are trained to perform the above operations in the best possible way.If the appliance is not used for a long time, disconnect it from

the mains and close the gas tap.

Attenzione: In questo caso la funzione elettronica antigelo dell’apparecchio non funziona.

Nei casi in cui esiste pericolo di gelo provvedere all’aggiunta di antigelo nell’impianto di riscaldamento: lo svuotamento dell’impianto

è sconsigliato in quanto può danneggiare l’impianto nel suo complesso; utilizzare allo scopo specifici prodotti antigelo adatti ad impianti

di riscaldamento multi metallo.

For appliances powered by gaseous fuel, if you smell gas in the room, proceed as follows:

-do not operate electrical switches and do not start electrical appliances;

-do not light flames and do not smoke;

-close the central gas cock;

-throw open doors and windows;

-contact a Service Center, a qualified installer or the gas service. It is absolutely

forbidden to search for gas leaks by means of a flame.

This appliance was built to be installed in the destination countries specified on the packaging plate

and on the technical data plate in the boiler: installation in countries other than those specified can be

a source of danger for people, animals and / or things.

The manufacturer declines any contractual and extra-contractual liability for non-compliance with all of the above.

The following instructions allow rapid ignition and adjustment of the boiler, for immediate use.

These instructions assume that the boiler has been installed by an authorized installer, the first

ignition has been carried out and the boiler has been set up for correct operation.

If accessories have been installed on the boiler, these instructions are not sufficient for its correct

operation. In this case, refer to the complete instructions for the boiler and the instructions for the

accessories installed.

For a complete description of the operation of the boiler and for instructions on safety in its use, refer to the complete instructions in this

booklet.

Quick operating instructions

1. Open the gas shut-off cock upstream from the boiler.

2. Turn the switch on the electrical system upstream from the boiler to the ON position: the boiler display (fig. 1) lights up

If you want to exclude the heating function, keep the key pressed for the cycle time “ ”

until the display shows the image in the figure.

When the button is released “ ” only the domestic hot

water function will be enabled (the system delivery

temperature is displayed).

5. If you want to activate both the heating function and the domestic hot water function

hold down the " " button for the cycle time until the display shows the image in the figure.

When the " " key is released, both the hot water function will

be enabled and the heating function (is displayed

the system delivery temperature).

4. If you want to activate the Stand-by function, keep the key pressed for the cycle time “ ”

as far as when the display shows the image in the figure.

When the " " key is released, the boiler will go into stand-by.

6. To adjust the temperature of the domestic hot water, press the " " button (D in fig. 1) then, adjust the temperature using the buttons

o (EorFin fig. 1).

7. To adjust the heating temperature, press the “ ” button (C in fig. 1) then, adjust the temperature using the buttons

(Eor Fin fig. 1).

8. Set the desired room temperature value on the room thermostat inside the house (if present).

At this point the boiler is ready for operation.

If the boiler goes into lockout, it can be unlocked by pressing the “ ” button (B in fig. 1).

If the boiler does not resume normal operation after three attempts, contact an Authorized Service Center.

GENERAL INDEX

Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

General notes for the installer, maintenance technician and user . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Quick operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . 4

1.Instructions for the user. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1. Control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.2. Selecting the operating mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.3. Heating and DHW temperature adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... 10

1.4. Display Men Information - Counters - Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.5. Correspondence of BOILER STATUS - LCD DISPLAY DISPLAY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.6. Anomalies that cannot be reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.7. Boiler release. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.8. Automatic elimination of system air. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.9. Child protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.10. Operation of the boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1.10.1. Power on. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1.10.2. HEATING function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

1.10.3. SANITARY function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

1.10.4. ANTIFREEZE function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1.10.4.1. Delivery antifreeze function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1.10.4.2.Plate sanitary antifreeze function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1.10.5. Pump anti-blocking function and diverter valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1.10.6. Operation with external probe (optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1.10.7. Operation with Remote Control (optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1.11. Boiler lockout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.11.1. Burner lockout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.11.2. Overtemperature lockout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

1.11.3. Block due to lack of draft (smoke block). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.11.4. Block due to insufficient water pressure in the system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.11.5. Alarm due to temperature probe malfunction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.11.6. Block due to fan malfunction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.11.7. Alarm due to malfunction of the connection to the Remote Control (optional). . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.12. Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.13. Notes for the user. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.Technical characteristics and dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.1. Technical features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.2. Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.3. Hydraulic scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.4. Operating data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.5. General features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.6. ERP and Labeling data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

3.Instructions for the installer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.1. Installation rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.2. Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.2.1. Packing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.2.2. Choice of the place of installation of the boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.2.3. Positioning of the boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

3.2.4. Assembling the boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.2.4.1. Direct wall installation with bracket supplied (bracket A). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.2.4.2. Wall installation with optional metal bracket (bracket B). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.2.5. Ventilation of the premises. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.2.6. Air intake / flue gas exhaust system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.2.6.1. Configuration of the air intake / flue gas exhaust ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3.2.6.2. Air intake / flue gas discharge through coaxial ducts with a diameter of 100/60 mm. . . . . . . . . . . . . . . . . . 35

3.2.6.3. Air intake / flue gas exhaust with separate 80 mm diameter ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.2.6.4. Air intake / flue gas exhaust with separate ducts with a diameter of 60 mm. . . . . . . . . . . . . . . . . . . . . . . . . 35

3.2.6.5. C63 type air intake / flue gas exhaust. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.2.7. Chimney sweep function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.2.8. Connection to the gas network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.2.9. Hydraulic connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.2.10. Connection to the electrical network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

3.2.11. Selezione del range di funzionamento in riscaldamento. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.2.12. Connection to the room thermostat (optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.2.13. Installazione e funzionamento con Comando Remoto Open Therm (optional). . . . . . . . . . . . . . . . . . . . . . . . 38

3.2.14. Installation of the external probe (optional) and sliding temperature operation. . . . . . . . . . . . . . . . . . . . . . . . . 39

3.2.15. TSP parameters that can be set from the interface and from the Remote Control. . . . . . . . . . . . . . . . . . . . . . 41

3.3. Filling of the system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.4. Starting the boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.4.1. Preliminary checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.4.2. Power on and off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.5. Head available. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.6. Electrical connections and wiring diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.6.2. Models Play 24 - Play 28 - Play 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.6.3. Electrical Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3.7. Adaptation to the use of other gases and burner adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

3.7.1. Transformations from METHANE to LPG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

3.7.2. Transformations from LPG to METHANE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

3.7.3. Check and adjust the gas valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

4.Testing the boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.1. Preliminary checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.2. Power on and off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

5. Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

5.1. Maintenance program. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

5.2. Combustion analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

6. Decommissioning, disassembly and disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

7.Technical problems table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

INDEX OF FIGURES

fig. 1 - Control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

fig. 2 - Filling cock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

fig. 3 - Play 24 - Play 28 - Play 32 dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

fig. 5 - Play 24 - Play 28 - Play 32 hydraulic diagram. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

fig. 7 - Installation template. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

fig. 8 - Support brackets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

fig. 9 - Examples of installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

fig. 10 - Intake / exhaust with coaxial ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

fig. 11 - Dimensional dimensions for coaxial ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

fig. 12 - Intake / exhaust with separate ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

fig. 13 - Dimensional dimensions for separate ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

fig. 14 - Connection to the gas network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

fig. 15 - Condensate drain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

fig. 17 - Available prevalence curves - Play 24 - 28.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

fig. 18 - Available head curves - Play 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

fig. 20 - Play terminal block. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

fig. 21 - Play Electronic Board Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

fig. 22 - Component view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

fig. 23 - Gas valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

fig. 24 - Position of the diaphragm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

1.1. Control panel

1. Istruzioni per l’utente

g. 1

A. Operating status selection key (Winter / Summer / Off).

B. Alarms reset key and return to the initial page in the parameter selection.

C. Heating hot water adjustment button.

D. Domestic hot water adjustment key.

E. Key for decreasing temperature values and parameters.

F. Key to increase temperature values and parameters.

To access the interface, you need to press a button. Activating the interface, it enables access to all keys and the backlight of the display.

After 30 seconds from the last touch, the interface disables all keys and the display turns off.

If a key is held down for more than 30 seconds, a fault is displayed without preventing the system from operating. The error is reset once

normal conditions are restored.

SYMBOL FIXED FLASHING

1Indication of flame present.

Symbol indicating heating.

Symbol lit means function enabled; symbol off means

disabled function.

Display of the set or requested heating flow

temperature.

3Display of temperatures, parameter

values and anomalies.

4Indication of the need for manual RESET of the error.

5OT connection present.

6Indication of the unit of measurement of the system pressure.

Symbol indicating instant health.

Symbol lit means function enabled; symbol off means

disabled function.

Display of the set or requested domestic hot

water temperature.

8Indication of degrees centigrade.

Table 1 - Symbols that can be viewed on the LCD display

1. STATE OF

OPERATION OFF

3. STATE OF

OPERATION

SUMMER

2. STATE OF

WINTER

OPERATION

1.2. Selecting the operating mode

By holding down the " " key for the cycle time, the "WINTER" modes are enabled in sequence + , “SUMMER ” and "OFF".

All buttons are active in this phase.

With the "WINTER" mode active, both functions are active: preparation of domestic hot water and preparation of heating water.

With the "SUMMER" mode active, only the domestic hot water preparation function is enabled.

With the “OFF” mode active, no function is active.

1.3. Heating and DHW temperature adjustment

Pressing the sanitary button (D fig. 1) displays the temperature of the sanitary water.

By pressing the " " (E fig. 1) or " " (F fig. 1) buttons, the temperature of the sanitary water is changed.

During the modification, the SANITARY icon (7 fig. 1) flashes. Once the desired temperature has been set, the icon continues to flash for

about 5 seconds. After this time the value is stored and the display returns to its normal operation.

Pressing the sanitary button (C fig. 1) displays the temperature of the heating delivery water.

Pressing the buttons " " (E fig. 1) or " " (F fig. 1) changes the temperature of the heating delivery water.

During selection, the HEATING icon (2 fig. 1) flashes. Once the desired temperature has been set, the icon continues to flash for about 5

seconds. After this time the value is stored and the display returns to its normal operation.

All buttons at this stage are active.

1.HEATING

TEMPERATURE

ADJUSTMENT

1. SANITARY

TEMPERATURE

REGULATION

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