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Beretta POWER MAX 100 Installation And Operation Manual Download Page 36

 

36

2000

2092 Defines the number of fan rpm at max. power (it depends on 

the model and is defined at Par. 9098).

0…12750

De-

fined 

by 

Par. 

9098

RPM

2093 Defines the number of fan rpm at minimum power (it de-

pends on the model and is defined at Par. 9098).

0…12750

De-

fined 

by 

Par. 

9098

RPM

2094 Defines the fan speeds on the module start up (depending 

on the model defined on Par. 9098).

0…12750

De-

fined 

by 

Par. 

9098

RPM

2109 Defines the offset of the calculated set point on climatic 

mode (Par. 2001= 1). Makes a climatic curve compensation.

Off, -10…10

0

2110 Sets the minimum delivery temperature value in heating 

mode (Par. 2001) = 4.

20…50

30

°C

2111 Sets the maximum delivery temperature value in heating 

mode (Par. 2001) = 4.

50…90

80

°C

2112 Sets the value in degrees below the set-point at which the 

burner switches on again for thermoregulation.

0…20

5

°C

2113 Defines the domestic hot water circuit's % max. power.

50…100

100

%

2114 Defines the domestic hot water circuit's % minimum power.

1…30

1

%

2115 Defines the Accumulation sanitary Setpoint in mode 1

40…71

50

°C

2116 The value of this parameter is defined by Par. 9097.

0 Disabled 1 Water 

pressure sensor 2 

CH flow switch 3 Flue 

pressure switch

De-

fined 

by 

Par. 

9097

2117 The value of this parameter is defined by Par. 9097.

0 Disabled 1 DHW 

flow sensor 2 DHW 

flow switch 3 CH flow 

sensor

De-

fined 

by 

Par. 

9097

2118 The value of this parameter is defined by Par. 9097.

0 Disabled 1 Drain 

switch 2 Gas pres-

sure switch

De-

fined 

by 

Par. 

9097

2120 The value of this parameter is defined by Par. 9097.

0 Disabled 1 T_Re-

turn sensor 2 Extern 

switch

De-

fined 

by 

Par. 

9097

2121 The value of this parameter is defined by Par. 9097.

0 Disabled 1 T_Flue 

sensor 2 Flue switch 

3 APS switch

De-

fined 

by 

Par. 

9097

2122 The value of this parameter is defined by Par. 9097.

0 Disabled 1 

T_Flue_2 sensor 2 

T_ Bl. Flue 

3 T_System sensor 4 

Blocked Flue switch 5 

Cascade Sensor

De-

fined 

by 

Par. 

9097

2123 The value of this parameter is defined by Par. 9097.

0 Disabled 1 T_DCW 

sensor 2 Water pres-

sure switch

De-

fined 

by 

Par. 

9097

2124 The value of this parameter is defined by Par. 9097.

0 Disabled 1 Enabled

De-

fined 

by 

Par. 

9097

2125 The value of this parameter is defined by Par. 9097.

0 Disabled 1 General 

Pump 2 CH Pump 3 

DHW Pump 4 System 

Pump 5 Cascade 

Pump 6 Alarm Relay 

7 Filling Valve 8 LPG 

Tank 9 External Ignit-

er 10 Air Damper 14 

Alarm Burner CC 15 

Status Burner CC 17 

Antilegionella pump

De-

fined 

by 

Par. 

9097

Summary of Contents for POWER MAX 100

Page 1: ...Installation and Operation Manual Condensation Heating module POWER MAX Installation and Operation Manual EN ...

Page 2: ... accept our thanks and our congratulations on your choice of product Beretta CONFORMITY thermal modules POWER MAX comply with Gas Appliances Directive 2009 142 EC until 20 April 2018 and Regulation EU 2016 426 from 21 April 2018 Directive 92 42 EEC on efficiency requirements and Annex E and Pres Republic Decree n 412 26 Au gust 1993 Electromagnetic Compatibility Directive 2014 30 EU Low Voltage Di...

Page 3: ...bustion products 22 2 10 1 Preparation for the condensate drain 24 2 11 Neutralising the condensate 24 2 11 1 Water quality requirements 24 2 12 System filling and emptying 25 2 12 1 Filling 25 2 12 2 Emptying 26 2 13 Wiring diagram 27 2 14 Electrical connections 29 2 14 1 USER navigation MENU 32 2 15 Navigation Menu INSTALLER MANUFACTURER 34 3 COMMISSIONING AND MAINTENANCE 39 3 1 Preparing for in...

Page 4: ...hermal module before being connected to the hydraulic system the gas network and the electrical system may be exposed to temperatures ranging from 4 C to 40 C After it can activate the Frost Pro tection function it can be exposed to temperatures ranging from 20 C to 40 C b Regularly check that the condensate drain is free from obstruction b We recommend cleaning inside the exchanger once a year ex...

Page 5: ...ila ble as an accessory upon request for other models climate control function available only when using the outdoor temperature sensor accessory 1 4 Safety devices All appliance functions are electronically controlled by a dual processor technology board approved for safety func tions Any malfunction results in the appliance being shut down and the automatic closure of the gas valve The following...

Page 6: ...Gas type Category IT Caldaia a condensazione Chaudierè a condensation Brennwertkessel Condenserende verwamingsketel G20 G25 Qn max Cod N Pn max Qn min Pn min P min G20 20 mbar IP G20 20 mbar NOx bar T C kW kW kW kW kW kW kW kW T067692GE 17 CALDAIA REGOLATA PER CHAUDIERE REGLEE POUR KESSEL GEREGELT FUR VERWARMINGSKETEL INGESTELD OP KEDEL REGULERET TIL CENTRALA REGLATA PENTRU A KAZAN AZ ALABBI ADAKT...

Page 7: ...chamber 7 Electrical panel 8 Minimum Pressure Switch set at 0 7 bar 9 Exhaust flue probe 10 Condensate drain siphon 11 Drain cock 12 Main switch 13 Central heating return 14 Gas supply 15 Central heating flow 16 Condensate drain connection 17 Flow meter 18 Pump 19 Return probe 20 Control panel 21 Safety Thermostat with manual reset by PCB 22 Flow probe 23 Automatic bleed valve 24 Ignition detectio...

Page 8: ...ctrical panel 7 Smoke exhaust flue non return valve 8 Drain cock 9 Minimum Pressure Switch set at 0 7 bar 10 Pump 11 Main switch 12 Central heating return 13 Gas supply 14 Central heating flow 15 Condensate drain connection 16 Flow meter 17 Exhaust flue probe 18 Return probe 19 Control panel 20 Ignition detection electrode 21 Safety Thermostat with manual reset by PCB 22 Flow probe 23 Automatic bl...

Page 9: ...el 6 Smoke exhaust flue non return valve 7 Drain cock 8 Minimum Pressure Switch set at 0 7 bar 9 Main switch 10 Central heating return 11 Gas supply 12 Central heating flow 13 Condensate drain connection 14 Flow meter 15 Gas valve 16 Exhaust flue probe 17 Return probe 18 Control panel 19 Ignition detection electrode 20 Safety Thermostat with manual reset by PCB 21 Flow probe 22 Automatic bleed val...

Page 10: ... low PCS temperature regime η1 useful 30 of Pn 98 4 109 5 98 2 109 2 98 2 109 2 98 108 8 98 1 108 9 98 108 8 98 108 8 98 1 108 9 Chimney losses with burner on at max Pn 80 60 C 2 3 2 3 2 3 2 3 2 5 2 6 2 5 2 6 Chimney losses with burner on at max 30 Pn 50 30 C 0 5 0 5 0 5 0 5 0 6 0 6 0 5 0 6 Heat loss in standby mode Pstby 45 57 72 87 115 124 143 168 W 0 1 Annual energy consumption QHE 71 91 117 14...

Page 11: ... MAX 65 P and POWER MAX 80 P are fitted with a circulator Residual head mbar 0 100 200 300 400 500 600 700 800 900 0 1 5 2 2 5 3 3 5 1 0 5 4 POWER MAX 65 P POWER MAX 80 P POWER MAX 50 P DEP POWER MAX 50 P Flow rate m3 h b At the first start up and at least once a year the rota tion of the circulator shaft should be checked as es pecially after long periods of not being operated de posits and or re...

Page 12: ...9 25 87588 60 3012 20 68471 65 2582 15 53910 70 2221 10 42739 75 1918 5 34109 80 1663 0 27396 85 1446 5 22140 90 1262 10 17999 95 1105 15 14716 100 970 20 12099 105 855 25 10000 110 755 30 8308 115 669 35 6936 120 594 40 5819 125 529 1 10 Positioning the temperature sensors Probes placed on the related sockets of the thermal module POWER MAX 50 P DEP POWER MAX 50 P 1 Exhaust flue probe 2 Safety th...

Page 13: ...layed when heating mode is enabled Blinking when there is a heat demand 2 Icon displayed when DHW mode is enabled Blinking when there is an DHW Demand 3 Icon displayed when entering the Installer or Manufacturer menu 4 Icon displayed when the appliance burner is on 5 Icon displayed when a Permanent or Temporary error occurs 6 Icon displayed when the climatic mode is on Par 2001 1 o 2 7 Celsius Fah...

Page 14: ...DIERE MURALE A GAZ GAS WANDHEIZKESSEL IT GB FR D CALDAIA MURALE A GAS WALL HUNG GAS BOILER CHAUDIERE MURALE A GAZ GAS WANDHEIZKESSEL IT GB FR D 1 A Packing label b The instruction manual is an integral part of the ap pliance therefore it should be read and stored care fully b Keep the documentation envelope in a safe place Any replacement documents must be ordered from Beretta who reserve the righ...

Page 15: ... fuel heating systems 2 4 Installation in older systems and systems requiring modernisation When installing these boilers in older systems or systems requiring modernisation always perform the following checks Make sure that the flue is able to withstand the tem perature of the combustion gases and that it has been designed and made in compliance with applicable standards The flue must also be as ...

Page 16: ...ly Thermal modules POWER MAX are supplied complete with a wall mounting bracket b Check that the wall on which the appliance is to be fitted is sufficiently solid and supports safe screw fix ing points b The appliance s height must be selected so as to fa cilitate dismantling it and maintaining it H Model Height H mm POWER MAX 50 P DEP 1850 H 2000 POWER MAX 50 P 1850 H 2000 POWER MAX 65 P 1850 H 2...

Page 17: ...he envelope containing the product documentation and stick the Energy Efficiency Label if any contained in the envelope onto the panel 25 kW 30 mm 25 mm Close the panelling in reverse order to the one described above b Before proceeding with the hydraulic connections the protection plugs must be removed from the delivery return and condensate drain piping ...

Page 18: ...thermal module it is neces sary to clean the system This step is absolutely re quired when the appliance replaces another one on pre existing systems In order to carry out this cleaning activity if the old genera tor is still installed on the system it is advisable to add a de scaling additive Operate the system with the generator on for around 7 days Discharge dirty system water and flush the sys...

Page 19: ...ls POWER MAX 50 P DEP and POWER MAX 80 P 15 High temperature system circu lator 16 Storage cylinder circulator SE Outdoor sensor MI High temperature system flow RI High temperature system return EAF Domestic cold wa ter inlet UAC Domestic hot water outlet b Domestic hot water and central heating circuits must be completed with expansion vessels of adequate capacity and suitable correctly sized saf...

Page 20: ...orage cylinder circulator SE Outdoor sensor MI High temperature system flow RI High temperature system return EAF Domestic cold wa ter inlet UAC Domestic hot water outlet b Domestic hot water and central heating circuits must be completed with expansion vessels of adequate capacity and suitable correctly sized safety valves The discharge of safety valves and appliances must be connected to a suita...

Page 21: ...ystem flow RI High temperature system return EAF Domestic cold wa ter inlet UAC Domestic hot water outlet b Domestic hot water and central heating circuits must be completed with expansion vessels of adequate capacity and suitable correctly sized safety valves The discharge of safety valves and appliances must be connected to a suitable collection and disposal system see Catalogue for compatible a...

Page 22: ... pressure drops due to the filter should be as low as possible b On completion of the installation check that all joints are sealed GAS 1 M 2 10 Discharge of combustion products The appliance is supplied as standard in B type configu ration B23 B23P B53P i e pre fitted to suction air direct ly into the installation room and may be converted into a C type appliance with the use of specific accessor...

Page 23: ...e suitably far min 500 mm from flammable or heat sensitive construction elements b Make sure that condensation is not built up along the duct For this purpose provide a sloping duct of at least 3 degrees towards the appliance in case there is an a horizontal section If the horizontal or vertical section is longer than 4 meters a condensate siphon drainage must be provided at the base of the pipe T...

Page 24: ...to a domestic water drain in accordance with national and local legislation and standards b Fill the siphon with water before activating on the thermal module in order not to release any combus tion products into the environment when the thermal module is first switched on b The condensate drain must be suitably siphoned Fill the siphon with drain in order to prevent the release of combustion prod...

Page 25: ... sepa rate the boiler s water circuit from the central heating circuit a It is prohibited to top up the heating system constant ly or frequently since this can damage the thermal module s heat exchanger The use of automatic top ping up systems should be avoided for this reason To sum up in order to eliminate contact between air and water and to prevent the latter from becoming oxidized it is neces...

Page 26: ...irst time once it is filled and the air expelled it should never need to be topped up again b Systems should also be operated at maximum work ing temperature the first time they are started up in order to facilitate de aeration Gas is not released from the water at low temperatures b An automatic spurge can be performed during the first ignition The parameter that set the cycle is Par 2139 See par...

Page 27: ... J25 1 g J25 2 b J25 3 y J25 4 w J25 Key EA Ignition detection electrode SF Exhaust flue probe SM Flow probe SR Return probe TS Safety thermostat PF Flue gases pressure switch Pm Minimum pressure switch FL Flow meter SCH Display and control card MO1 Low voltage terminal board 0 10V 0 10V input TA Room heat demand thermostat 24 V 24V exit SB Boiler sensor accessory SS System probe accessory SE Outd...

Page 28: ...ylinder circu lator 3 way valve 2 way valve PI Central heating system pump ACS DHW circulator PC Thermal module circulator PS System circulator AL Alarm output AE Power supply Cable colour b brown h blue r red w white bl black g y e l l o w green y yellow gr green For models POWER MAX 50 P DEP POWER MAX 80 P circulator fitted as standard for other models the circulator is provided as an accessory ...

Page 29: ...ever shut the appliance off during normal operation with the burner on by shutting off the electrical pow er supply using the On Off key or an external switch This could cause the primary heat exchanger to over heat b To switch it off during the heating stage use a room heat demand thermostat The On Off key can only be actioned whist the appliance is in stand by or emer gency mode b Before connect...

Page 30: ...s sizing lays on the installer depending on the type of connected device For connection see the following figure 230 V 1 S1 0 N RA MO2 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 S1 Circuit breaker RA Relay Switch 230V AC Refer to the device type for the supply tension Execute electrical wiring in compliance with the dia grams shown below Power supply 230V 50Hz L N L N L N 103 104 ...

Page 31: ...3 14 15 16 17 5 6 7 8 TA SB PB PI MO2 PI ACS PB L N L L N L 101 102 103 104 105 106 TA Room heat demand thermostat SB Connect to the storage cylinder probe Mod San 1 or to the storage cylinder thermostat Mod San 2 PB Connect to the water pump PI Connect to the high temperature system pump NOTE The room thermostat connection must be dry no voltage Electrical wiring referred to layout 5 at page 21 M...

Page 32: ...e 5 MENU RESET Enters into MENU mode If pressed for more than 2 seconds it resets a non volatile failure MENU selection Enters into MENU mode when MENU RESET key is pushed The figures of the small display indicate 0000 which is the first accessible menu PROG RESET MENU 5 3 4 2 1 In this mode keys have the following functions Nr Button Function 1 Exits from the menu and cancels a parameter change 2...

Page 33: ...pump on off Only display 1012 Calculated heating set point on climatic mode Only display C 1013 Status of the room thermostat heat demand opened closed Only display 1015 Secondary probe temperature if on Only display C 1031 Error code Only display 1040 Actual fan speed Only display RPM 1041 Ignition fan speed Only display RPM 1042 Fan speed at the minimum Only display RPM 1043 Fan speed at the max...

Page 34: ...d After entering the INSTALLER or MANUFACTURER pass word the related menu and parameters will be displayed The system provides for three types of access USER password 0000 INSTALLER password 0300 MANUFACTURER b After it is entered the password is active during dis play and or parametrisation If the display is inactive for a few minutes it needs to be re entered PROG RESET MENU 5 3 4 2 1 In this mo...

Page 35: ...82 30 C 2024 Limits the maximum value that can be assigned to the set point in heating mode does not apply to heating mode 4 27 90 80 C 2025 Defines the temperature of exclusion of climatic regulation Active for heating mode Par 2001 1 or 2 0 35 22 C 2026 Establishes the set point temperature increase delta T if the heat demand in heating mode is not satisfied after the time interval specified in ...

Page 36: ...ater pressure sensor 2 CH flow switch 3 Flue pressure switch De fined by Par 9097 2117 The value of this parameter is defined by Par 9097 0 Disabled 1 DHW flow sensor 2 DHW flow switch 3 CH flow sensor De fined by Par 9097 2118 The value of this parameter is defined by Par 9097 0 Disabled 1 Drain switch 2 Gas pres sure switch De fined by Par 9097 2120 The value of this parameter is defined by Par ...

Page 37: ... it is made run at a fixed speed on a percentage at the max speed On Off Modulating Fixed 20 100 Modu lating 2137 Defines the percentage of speed that sets the minimum speed that the circulator can reach during modulation 0 100 30 2138 Value can vary depending on appliance configuration based on Par 9097 and 9098 This value is calculated by the board which based on an internal logic defines as a s...

Page 38: ... 0 1275 250 2018 Defines the modulation derivative term during heating oper ation 0 1275 0 2039 Defines the primary circuit s restart hysteresis in modes 1 and 2 of domestic hot water valid both for cascade and stand alone applications 0 20 5 C 2040 Defines the primary circuit s shut off hysteresis in modes 1 and 2 of domestic hot water valid both for cascade and stand alone applications 0 20 5 C ...

Page 39: ... the ON position and the thermal module s master switch to I 3 2 1 Switching the appliance on and off Once the device is on the initialization process starts for about one minute during which no operations are allowed Once the process is completed parameters can be set for heating and DHW production To switch off the appliance use the ON OFF switch b Never power off the appliance before switching ...

Page 40: ...door temperature based on a climatic curve defined by the following parameters Par No Description 2109 Defines the value of the set point calculated on climatic mode Par 2001 1 2019 Establishes the max set point at the minimum outdoor temperature for climatic regulation Par No Description 2020 Establishes the minimum outdoor temperature to which the maximum set point can be associated for climatic...

Page 41: ... con trolled by room heat demand thermostat In this mode the fixed set point is adjusted in the same way as described for Mode 0 The difference consists in the fact that the demand is always active and the set point is de creased attenuation by the value defined by the parame ter 2028 when the room heat demand thermostat s contact is opened Par No Description 0003 Sets the desired flow temperature...

Page 42: ... 3 de grees the module turns on at the minimum to al low maintenance till the set point plus hysteresis If this parameter is equal to 2036 this function is inactivated and the thermal module starts at the maximum sanitary power 0048 Establishes the DHW storage tank set point Parameter 2038 is active on such mode even if the tank probe is not installed and it influences the flow temperature of the ...

Page 43: ... by set ting the system s and the appliance s master switches to On and test combustion products see Paragraph Adjust ments SUPPLY GAS PRESSURE CHECK Turn the main system switch off Remove the locking screws and the panel s front side Loosen by about two turns the pressure inlet screw 1 upstream of the gas valve and connect the pres sure gauge 1 1 Power the thermal module by setting the system s a...

Page 44: ...or code RAM byte was corrupted to an unknown error code 29 PSM_ERROR Internal software error 30 REGISTER_ER ROR Internal software error 3 4 2 Temporary Errors Nr Error Description 100 WD_ERROR_RAM Internal software error 101 WD_ERROR_ROM Internal software error 102 WD_ERROR_ STACK Internal software error 103 WD_ERROR_REG ISTER Internal software error 106 REFHI_TOO_HIGH REFHI_TOO_LOW Internal softw...

Page 45: ...e sure that the master switch and the thermal module s switch are in the Off position check that the fuel interception system valve is closed To install the accessory remove the locking screw pull the front panel outwards and then to the top to decouple it from points A A A Versions POWER MAX 50 P DEP POWER MAX 80 P unscrew the three screws 1 and the swivel nut 2 of the gas pipe in order to remove...

Page 46: ...o Caldaia categoria B23 II2H3 Pressioni di alimentazione gas Regolazione effettuata dal costruttore G20 20 mbar 2H METANO ATTENZIONE Leggere attentamente il libretto istruzioni prima di installare e mettere in servizio l apparecchio Laterale DX Temperatura ambiente min 10 C max 50 C Questo apparecchio puó essere installato e funzionare all aperto o solo in locali permanentemente ventilati secondo ...

Page 47: ... will operate at maximum power unscrew the cap 1 and insert the combustion analyser sensor set the CO2 with a screwdriver on the regulation screw 2 placed on the gas valve thus reaching the value reported on the table Gas type CO2 maximum power G20 G25 8 8 9 2 G30 G31 10 2 10 6 CO2 ADJUSTMENT AT MINIMUM POWER Select Lo using PROG and PROG and press MENU RESET to confirm the appliance will operate ...

Page 48: ...ate re moval devices the water drainage tubes and all the meas urement and control devices are in perfect working order Table of the compulsory maintenance activities to be performed every 2000 working hours or at least once a year Make the combustion test Check the conditions of the inlet pipes if present and the flue pipes by making sure that no leakage is present Check the ignition electrode Cl...

Page 49: ... internal cleaning operations close the gas shut off valves close the system taps b From time to time check that the condensate drain is not blocked Access to the control panel and the internal parts of the thermal module Remove the locking screws and the panel s front side Pull and slide the electrical panel s box towards the outside 1 1 1 Loosen the fixing screws 2 and remove the protection 3 2 ...

Page 50: ... working in the opposite direction of what was described b Check that the gas connection is leak proof Disassembling of the fan and burners models POWER MAX 65 P POWER MAX 80 P Remove the locking screws and the panel s front side Remove cables 1 and 2 for the fan 3 Remove the air pipe from the fan if the thermal mod ule is type C C type configuration non standard but obtained with specific accesso...

Page 51: ...t was described b Check that the gas connection is leak proof Removing the top closing for cleaning the heat ex changers models POWER MAX 50 P DEP POWER MAX 50 P Remove the locking screws and the panel s front side Remove cables 1 and 2 for the fan 3 Remove the air hose from the fan if the thermal mod ule is of type C type C configuration not standard but obtained with a special accessory Unscrew ...

Page 52: ...g in the opposite direction of what was described b Check that the gas connection is leak proof Disassembling the flange for cleaning the exchanger models POWER MAX 100 POWER MAX 110 POWER MAX 130 POWER MAX 150 Remove the locking screws and the panel s front side Remove cables 1 and 2 for the fan 3 Remove the air hose from the fan if the thermal mod ule is of type C type C configuration not standa...

Page 53: ...ric connections Check the condition of the fuse The modular system does not arrive at temperature Boiler dirty Clean the combustion chamber Burner capacity insufficient Check and adjust the burner Modular system adjustment Check correct functioning Check the temperature setting The generator triggers a thermal safety block No water Check correct functioning Check the temperature setting Check the ...

Page 54: ...ock are open While the system is still cold check that working pressure in the central heating circuit is over 1 bar but below the maximum limit specified for the boiler Adjust the room thermostats for the high and low tem perature zones to the required temperature 20 C or if the systems are equipped with timer thermostats or a time programming unit make sure it is on and adjusted 20 C Switch the ...

Page 55: ...l or a suitable cleaning product Carefully dry after cleaning a Do not use abrasive cleaning pads or powder deter gents a Never clean the boiler without first disconnecting it from the mains electricity supply by turning the mains power switch and the control panel switch OFF b The combustion chamber and flue pipes must be cleaned periodically by the manufacturer s Technical Assistance Centre or b...

Page 56: ...mation Seller Mr Address Tel Technical Assistance Centre Mr Address Tel Installer Mr Address Tel Date Work done Fuel oil supplier Mr Address Tel Date Quantity supplied Date Quantity supplied Date Quantity supplied Date Quantity supplied ...

Page 57: ...er in compliance with the installation country s applicable environmental legislation b Adequate sorted waste collection processing and environmentally friendly disposal contribute to preventing pos sible negative impacts on the environment and health and promote the reuse and or recycling of the materials of which the appliance consists b Illegal disposal of the product by the owner shall be subj...

Page 58: ...SYSTEM MANAGER 58 ...

Page 59: ...SYSTEM MANAGER 59 ...

Page 60: ... 23 A 23900 Lecco LC www berettaboilers com The manufacturer strives to continuously improve all products Appearance dimensions technical specifications standard equipment and accessories are therefore liable to modification without notice ...

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