Flexiheat SFKA 28/150 Use And Maintenance Manual
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Flexiheat SFKA 28/150 Use And Maintenance Manual

Condensing water heater with accumulation
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Installation, Use
and Maintenance Manual
for model
SFKA 28 /150
Condensing water heater
with accumulation
0476
SFKA 28 /150 - RAD - ING - Manuale - 2102.1_SKM1_firm.L225B

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Summary of Contents for Flexiheat SFKA 28/150

  • Page 1 Installation, Use and Maintenance Manual for model SFKA 28 /150 Condensing water heater with accumulation 0476 SFKA 28 /150 - RAD - ING - Manuale - 2102.1_SKM1_firm.L225B...

  • Page 2: Table Of Contents

    SUMMARY SUMMARY INTRODUCTION 1. INSTALLER SECTION 1.1. INSTALLATION 1.1.1. GENERAL INSTALLATION WARNINGS 1.1.2. WATER HEATER LOCATION ENVIRONMENTAL REQUIREMENTS 1.1.3. REFERENCE LEGISLATION 1.1.4. UNPACKING 1.1.5. MINIMAL TECHNICAL SPACES 1.1.6. OVERALL DIMENSIONS 1.1.7. JIG 1.1.8. RECIRCULATION MODE CIRCULATOR PREVALENCE/FLOW DIAGRAM 1.1.9. HYDRAULIC CONNECTION 1.1.10.
  • Page 3 SUMMARY 2.2.13. ACCESSING THE ELECTRONIC BOARD 2.2.14. EMPTYING THE DOMESTIC SYSTEM 2.2.15. STORAGE TANK MAINTENANCE 2.2.16. FAULT SIGNALLING CODES 2.2.17. ACTIVE FUNCTIONS SIGNALLING CODES 2.2.18. GAS TYPE TRANSFORMATION 3. USER SECTION 3.1. USE 3.1.1. GENERAL USE WARNINGS 3.1.2. CONTROL PANEL 3.1.3.

  • Page 4: Introduction

    INTRODUCTION INTRODUCTION WARNING › Device: this term is used referring to the water heater. Before starting any operation it is mandatory to read this instruction manual, in relation to the DANGER activities to be carried out as described in each It identifies an information related to a relevant section.
  • Page 5 INTRODUCTION MANUFACTURER WARRANTY AND equipped with all accessories necessary to render RESPONSIBILITY it a veritable independent heating unit. All water heaters are tested and delivered with a quality certificate signed by the tester. The technical and functional features of the device are ensured by its use in compliance: with the use and maintenance instructions contained in the manuals accompanying the...

  • Page 7: Installer Section

    1. INSTALLER SECTION 1. INSTALLER SECTION The installation operations described in this section, must be performed only by qualified personnel, having the appropriate technical training in the field for the installation and maintenance of components of civil and industrial domestic hot water production and heating plants.

  • Page 8: Installation

    1. INSTALLATION 1.1. INSTALLATION 1.1.1. GENERAL INSTALLATION › The device is suitable for use with the type of WARNINGS gas available by checking the water heater data plate (placed on the inner side of the front ATTENTION casing). This water heater may be used only for the purpose for which it has been designed: heat water ›...

  • Page 9: Reference Legislation

    1. INSTALLATION WARNING If the temperature in the appliance installation location goes below -10 centigrades, please fill the plant with anti-freeze liquid and insert and a frost prtotection kit (see chapter ‘ANTI-FREEZE PROTECTION’). WARNING The manufacturer will not be held responsible for damages caused by incorrect installation not in conformity with the above mentioned instructions and not duly protected from...

  • Page 10: Unpacking

    1. INSTALLATION 1.1.4. UNPACKING WARNING Please unpack the boiler just before installing it. The Company is not responsible for the damages caused to the device due to incorrect storage. WARNING The packing elements (cardboard box, wooden crate, nails, fasteners, plastic bags, expanded polystyrene, etc.) must be kept out of the reach of children as they may be dangerous.

  • Page 11: Minimal Technical Spaces

    1. INSTALLATION 1.1.5. MINIMAL TECHNICAL SPACES The appliance must be installed exclusively on a flat horizontal solid floor capable of supporting its weight. In order to allow the access inside the water heater for maintenance operations, you have to respect the minimum technical spaces indicated in figure A - 500 mm X - 250 mm...

  • Page 12: Overall Dimensions

    1. INSTALLATION 1.1.6. OVERALL DIMENSIONS 1.1.7. JIG 68.5 68.5 68.5 Ø 3/4 Ø 3/4 COLD Ø 3/4 RC- RECIRCULATION OPTIONAL SFKA 28 /150 - RAD - ING - Manuale - 2102.1_SKM1_firm.L225B...

  • Page 13: Recirculation Mode Circulator Prevalence/Flow Diagram

    1. INSTALLATION 1.1.8. RECIRCULATION MODE CIRCULATOR PREVALENCE/FLOW DIAGRAM ZRS 12/6 FLOW RATE (m Circulator priority maximum speed Circulator head at second speed Circulator head at minimum speed Appliance Loss SFKA 28 /150 - RAD - ING - Manuale - 2102.1_SKM1_firm.L225B...

  • Page 14: Hydraulic Connection

    1. INSTALLATION 1.1.9. HYDRAULIC CONNECTION the characteristics of the water used and install suitable treating devices. DANGER Make sure that the tubes of the water and The heat exchanger coil cleaning frequency heating plant are not used as grounding system for depends on the hardness of the supply water and on the electrical plant.

  • Page 15: Recirculation Mode

    1. INSTALLATION 1.1.10. RECIRCULATION MODE The water heater can manage a recirculation system which is aimed to provide a better well- being for the domestic hot water needs, thus delivering immediately a large amount of hot water. To activate the recirculation mode, please proceed as follows: ›...

  • Page 16: Filling The Condensate Collection Siphon

    1. INSTALLATION 1.1.11. FILLING THE CONDENSATE COLLECTION SIPHON Before starting the water heater you have to fill the condensate collection siphon in order to avoid fuel reflux through the siphon. Fill the condensate collection siphon as follows (see fig. 1): ›...

  • Page 17: Anti-Freeze Protection

    1. INSTALLATION 1.1.12. ANTI-FREEZE PROTECTION The water heater is protected against freezing thanks to the electronic board preparation with functions that start the burner and heat the concerned parts when their temperature goes below the minimum pre-set values, protecting the water heater up to an external temperature of -10°C.

  • Page 18: Gas Connection

    1. INSTALLATION 1.1.13. GAS CONNECTION 1.1.14. ELECTRICAL CONNECTION DANGER DANGER In order to connect the gas connector of The equipment is electrically safe only the water heater to the supply pipe use a stop seal of if it is properly connected to an efficient grounding an appropriate size and material.

  • Page 19: Power Supply

    1. INSTALLATION 1.1.15. POWER SUPPLY To power the water heater connect the electrical cables to the terminal inside the control panel as follows: DANGER Cut off the voltage from the main switch. › remove the water heater's front casing (refer to chapter ACCESSING THE WATER HEATER).

  • Page 20: Optional Electrical Connections

    1. INSTALLATION 1.1.16. OPTIONAL ELECTRICAL fig. 1 CONNECTIONS The cables should be inserted inside the water heater using the cable glands ‘P1’ and ‘P2’ placed on the board (see fig. 1). Make a hole on the cable gland, smaller than the cable diameter, to make sure that the air cannot pass through.
  • Page 21 1. INSTALLATION To wire the optionals below: DANGER Cut off the voltage from the main switch. (CR) REMOTE CONTROL OPEN THERM › remove the boiler’s front casing (refer to chapter (CRC) RECIRCULATION PUMP ACCESSING THE WATER HEATER). (SRC) RECIRCULATION SENSOR ›...

  • Page 22: Fume Exhaust Fittings

    1. INSTALLATION 1.1.17. FUME EXHAUST FITTINGS › The discharge duct must be perpendicular with the opposite internal wall of the chimney or of WARNING the fumes exhaust duct (fig. 1). In order to ensure proper operation and efficiency of the device you have to connect the water heater fume exhaust fitting to the fume exhaust duct using appropriate polypropylene flue fittings for condensing water heaters.

  • Page 23: Installation Modes

    1. INSTALLATION 1.1.18. INSTALLATION MODES For this type of water heater are available the following fumes discharge configurations: B23P, B33, C13, C33, C43, C53, C63, C83 e C93 (see Fig. 1). › B23P- Indoor suction outdoor C33 C33 discharge, with exhaust system operating under pressure.
  • Page 24 1. INSTALLATION DISCHARGE OF COMBUSTION PRODUCTS FOR · permanent openings on the external walls of B-TYPE DEVICES the location (windows); The gas devices, provided with connection for · single or collective, ramified ventilation ducts. fumes exhaust tube, must be directly connected to efficient chimneys or fume exhaust ducts: The openings on the external walls of the location only if these are missing you can discharge the...

  • Page 25: Types Of Fume Exhaust Systems

    1. INSTALLATION 1.1.19. TYPES OF FUME EXHAUST SYSTEMS KIT K - HORIZONTAL CO-AXIAL SYSTEM Ø60/100 INTERNAL POLYPROPYLENE DUCT ADJUSTABLE AT 360°. It allows fumes discharge and air intake from external wall. Suitable only for condensing boilers. It allows fuel gas discharge and air intake for combustion through co-axial ducts, the external one for air intake, the plastic internal one for fumes discharge.
  • Page 26 1. INSTALLATION KIT H – HORIZONTAL TWIN PIPE FLUE KIT Ø80/80, IN POLYPROPYLENE, ADJUSTABLE AT 360°. The twin pipe allows flue discharge through the flue exhaust duct and air intake from outside. Suitable only for condensing boilers. It allows discharging fuel gas and air suctioning for combustion through two separated ducts.
  • Page 27 1. INSTALLATION KIT V - VERTICAL CO-AXIAL SYSTEM Ø60/100 INTERNAL POLYPROPYLENE DUCT. It allows fumes discharge and air intake directly from roof. Suitable only for condensing boilers. It allows fuel gas discharge and air intake for combustion through co-axial ducts, the external one for air intake, the plastic internal one for fumes discharge.

  • Page 29: Support Center Section

    1. SERVICE CENTRE SECTION 2. SUPPORT CENTER SECTION All operations described below relative to first start- up, maintenance and replacement should be performed only by qualified personnel...

  • Page 30: First Start-Up

    2. FIRST START-UP 2.1. FIRST START-UP 2.1.1. PRELIMINARY OPERATIONS › make sure that there are no flammable liquids FOR FIRST START-UP or materials near the device; The first start-up operations consist in checking › open the water heater gas tap and make sure the correct installation, adjustment and operation that there are no gas leaks upstream from of the device.

  • Page 31: Water Heater Commissioning

    2. FIRST START-UP 2.1.2. WATER HEATER COMMISSIONING Proceed with water heater commissioning as follows: › power the water heater; › open the gas tap; › ignite the unit by pressing the button › open the D.H.W. taps at the maximum flow rate; ›...

  • Page 32: Co2 Value Check And Calibration

    2. FIRST START-UP 2.1.3. CO2 VALUE CHECK AND › Access parameter ‘P07’ following the procedure CALIBRATION described chapter “ACCESSING PROGRAMMING THE PARAMETERS” and stay WARNING in edit mode until the calibration is completed The CO value should be checked with (the maximum time before forced exiting the the casing assembled, while the gas valve should be edit mode is 7 minutes).

  • Page 33: Accessing And Programming The Parameters

    2. FIRST START-UP 2.1.4. ACCESSING AND PROGRAMMING THE PARAMETERS To access the parameters menu and adjust their values, follow the procedure below: Press the button ‘ ’ to select the OFF mode displayed using the symbol ‘ ’. Hold at the same time the keys ‘ ’...
  • Page 34 2. FIRST START-UP Use the keys ‘ ’ and ‘ ’ of the domestic circuit to change the value of the parameter. Press the key ‘ ’ to confirm the action and wait for the display to stop blinking, indication of the fact that the adjustment was implemented.

  • Page 35: Digitech Cs Parameters Table

    2. FIRST START-UP 2.1.5. DIGITECH CS PARAMETERS TABLE PARAMETER DESCRIPTION RANGE FUNCTION SELECTION OF THE FIRE RATING 0 - 3 0 = 24 KW 1 = 28 KW 2 = 34 KW 3= 50 KW GAS TYPE SELECTION 0 - 1 0 = NATURAL GAS ATTENTION: READ...
  • Page 36 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION FAN MINIMUM SPEED ADJUSTMENT 43 - 255 VALUE EXPRESSED IN HERTZ THROUGH THIS PARAMETER YOU CAN SET THE FAN (1HZ = 30 RPM) MINIMUM SPEED CORRESPONDING TO THE MINIMUM POWER OF THE BURNER. THE VALUE IS PRE-SET BASED ON THE SET POWER (SEE PARAMETER P00) AND ON THE GAS TYPE (SEE PARAMETER P01).
  • Page 37 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION ACTIVATION PERIOD OF THE OVERHEATING FUNCTION 0 - 20 VALUE EXPRESSED IN MINUTES THROUGH THIS PARAMETER YOU CAN SET THE TIME (PRE-SET AT 10 INTERVAL FROM THE END OF THE POST-CIRCULATION MINUTES) TO THE ACTIVATION OF THE OVERHEATING FUNCTION. MAXIMUM DOMESTIC SETPOINT 50 - 75 VALUE EXPRESSED IN °C (PRE-...
  • Page 38 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION ADDITIONAL POST-VENTILATION TIMING 20 - 120 VALUE EXPRESSED IN SECONDS THROUGH THIS PARAMETER YOU CAN SET A PERIOD (PRE-SET AT 30 OF OPERATION, ADDITIONAL TO THE 20 STANDARD SECONDS) SECONDS FAN, AFTER BURNER SHUTDOWN.
  • Page 39 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION CONNECTION STATUS OF THE SOLAR AUXILIARY BOARD 0 - 1 0 = NOT INSTALLED (FOR CASCADE WATER HEATERS) BY MEANS OF THIS PARAMETER, IT IS POSSIBLE TO ENABLE THE AUXILIARY BOARD FOR THE EXPANSION 1 = INSTALLED OF THE RESOURCES WHEN THE SOLAR AUXILIARY BOARD IS CONNECTED...
  • Page 40 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION CIRCUIT SELECTION FOR ANTI-LEGIONELLA FUNCTION 0 - 1 0= ANTI-LEGIONELLA OPERATION (STORAGE) FUNCTION ACTIVE IN STORAGE THROUGH THIS PARAMETER POSSIBLE MODE ONLY (SET BY DEFAULT) TO SELECT THE CIRCUIT IN WHICH THE ANTI- LEGIONELLA FUNCTION OPERATES, WHEN THE VALUE 1= ANTI-LEGIONELLA OF PARAMETER P15 IS ENABLED.

  • Page 41: Electric Fan Frequency/Heat Capacity Diagram

    2. FIRST START-UP 2.1.6. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM FREQUENCY (Hz) STARTING STEP GAS TYPE MINIMUM FREQUENCY MAXIMUM FREQUENCY ADJUSTMENT SFKA 28 /150 - RAD - ING - Manuale - 2102.1_SKM1_firm.L225B...

  • Page 42: Maintenance

    CALIBRATION”; annual basis. The operations described below, are essential to the validity of the standard FLEXIHEAT warranty and › periodically check the integrity of the fume must be performed by professionally qualified personnel exhaustion system for safety and proper operation;...

  • Page 43: Technical Data

    2. MAINTENANCE 2.2.8. TECHNICAL DATA Model SFKA 28 /150 CE certification 0476CQ0134 Gas category II2H3B/P Flue system type type B 2 3 -B 2 3 p -B 3 3 -B 5 3 - C 1 3 - C 3 3 - C 4 3 - C 5 3 - C63-C73-C83-C93 Heat Input max (D.H.W.) Heat Input min (D.H.W.)
  • Page 44 2. MAINTENANCE Hydraulic Connections Cold water inlet Ø 3/4” D.H.W. outlet Ø 3/4” Ø 3/4” D.H.W. Recirculation loop connection Ø 3/4” Flue systems Fan - Max. available pressure Fan - Min. available pressure Max. Flue length Ø60/100 - Horiz. Conc. Flue bend 45°...
  • Page 45 2. MAINTENANCE Gas supply Supply pressure - G20 mbar Supply pressure min. - G20 mbar Supply pressure max. - G20 mbar Fan speed Max. D.H.W. output - G20 Fan speed Min. D.H.W. output - G20 Gas consumption - G20 2,96 Supply pressure - G30 mbar 28-30...

  • Page 46: Technical Assembly

    2. MAINTENANCE 2.2.9. TECHNICAL ASSEMBLY FUMES SAFETY THERMOFUSE HEAT EXCHANGER BURNER UNIT DETECTION ELECTRODE PROPORTIONAL VENTURI CONDENSATE COLLECTION SIPHON EXPANSION TANK ACCUMULATION PROBE ANODE 10. ACCUMULATION 11. MANUAL AIR RELIEF VALVE 12. DOMESTIC HOT WATER OUTLET PROBE 13. SAFETY THERMOSTAT 14.

  • Page 47: Hydraulic Board

    2. MAINTENANCE 2.2.10. HYDRAULIC BOARD C. DOMESTIC HOT WATER OUTLET RC. RECIRCULATION INLET G. GAS INLET SC. CONDENSATE DRAIN F. COLD WATER INLET FUMES SAFETY THERMOFUSE HEAT EXCHANGER BURNER UNIT ELECTRIC FAN GAS VALVE CONDENSATE COLLECTION SIPHON EXPANSION TANK SAFETY VALVE 8 bar MANUAL AIR RELIEF VALVE 10.

  • Page 48: Wiring Diagram

    2. MAINTENANCE 2.2.11. WIRING DIAGRAM 220 V 50 Hz Pacq ER: DETECTION ELECTRODE MF: FLUXMETER RC: DOMESTIC HOT CE: BLUE EA: START-UP ELECTRODE SRC: RECIRCULATION PROBE WATER PRE-HEATING MA: BROWN C: CIRCULATOR SI: DOMESTIC CIRCUIT PROBE INLET DEACTIVATION TIMER AR: ORANGE VG: GAS VALVE SS: DOMESTIC CIRCUIT PROBE L: LINE...

  • Page 49: Accessing The Water Heaters

    2. MAINTENANCE 2.2.12. ACCESSING THE WATER HEATERS All maintenance and control operations require the water heater casing panels to be removed. To intervene on water heater casing, please proceed according to the following instructions: › remove the fixing screws placed on the front side of the cover ‘1’...

  • Page 50: Accessing The Electronic Board

    2. MAINTENANCE 2.2.13. ACCESSING THE ELECTRONIC BOARD In order ot intervene on the wirings of the control panel, please proceed as follows: DANGER Cut off the voltage from the main switch. › Grab at the same time the support brackets of the control panel (fig.

  • Page 51: Emptying The Domestic System

    2. MAINTENANCE 2.2.14. EMPTYING THE DOMESTIC SYSTEM If there is freezing risk, you have to empty the domestic system as follows: › close the main supply tap of the water supply network; › open all cold and hot water taps; ›...

  • Page 52: Storage Tank Maintenance

    2. MAINTENANCE 2.2.15. STORAGE TANK MAINTENANCE Please have the anode checked on a regular basis. The anode has to be checked at least once every year and, if necessary, it has to be replaced to protect the storage tank. Should the mains water be particularly hard and aggressive, it might be necessary to have it checked two times per year.

  • Page 53: Fault Signalling Codes

    2. MAINTENANCE 2.2.16. FAULT SIGNALLING CODES To view the last 5 fault signalling codes chronologically, starting with the most recent one, activate the ‘OFF’ mode by pressing the FUNCTION ‘ ’ key and hold the key INFO ‘ ’ for 5 seconds. Use keys ‘ ’...
  • Page 54 2. MAINTENANCE CODE FAULT POSSIBLE CAUSE SOLUTION RESET SAFETY THERMOSTAT THERMOSTAT CABLE CHECK THE WIRING: AUTOMÁTICO. DISCONNECTED; BROKEN THERMOSTAT. REPLACE IT. FUMES SAFETY THERMOFUSE BROKEN; REPLACE IT; MANUAL RESET THERMOFUSE (102°C) (PRESS THE RESET THERMOFUSE CABLE CHECK THE WIRING. ‘ ’...
  • Page 55 2. MAINTENANCE CODE FAULT POSSIBLE CAUSE SOLUTION RESET ELECTRIC FAN ELECTRIC FAN BOARD REPLACE IT; AUTOMATIC. BROKEN; ELECTRIC FAN BROKEN; REPLACE IT; FAULTY POWER SUPPLY REPLACE IT. CABLE. I N S U F F I C I E N T EXCHANGER OBSTRUCTED;...
  • Page 56 2. MAINTENANCE CODE FAULT POSSIBLE CAUSE SOLUTION RESET SOLAR AUXILIARY BOARD SOLAR AUXILIARY BOARD SET MANUALLY THE VALUE OF AUTOMATIC. CONNECTION FAULTS DISCONNECTED. PARAMETER P24 TO ‘0’. (FOR CASCADE WATER HEATERS) DISCONNECTED SOLAR CHECK THE WIRING; AUXILIARY BOARD CABLE; FAULTY SOLAR AUXILIARY REPLACE IT;...
  • Page 57 2. MAINTENANCE CODE FAULT POSSIBLE CAUSE SOLUTION RESET SOLAR AUXILIARY BOARD SOLAR AUXILIARY BOARD SET MANUALLY THE VALUE OF AUTOMATIC. CONNECTION FAULTS DISCONNECTED. PARAMETER P30 TO ‘0’. (FOR SOLAR SYSTEM MANAGEMENT WITH DISCONNECTED SOLAR CHECK THE WIRING; SINGLE WATER HEATER) AUXILIARY BOARD CABLE;...

  • Page 58: Active Functions Signalling Codes

    2. MAINTENANCE 2.2.17. ACTIVE FUNCTIONS SIGNALLING CODES CODE FUNCTION DESCRIPTION D.H.W CIRCUIT ANTI-FREEZE WHEN THE SANITARY SENSOR DETECTS A TEMPERATURE BELOW 5°C, THE PUMP RUNS AND THE BURNER LIFTS UP THE TEMPERATURE TO 20°C. WHEN THIS LATTER TEMPERATURE IS ACHIEVED, THE BURNER SHUTS OFF AND THE PUMP RUNS FOR 20 SECONDS AS POST CIRCULATION.

  • Page 59: Gas Type Transformation

    2. MAINTENANCE 2.2.18. GAS TYPE TRANSFORMATION ATTENTION Make sure that the gas adduction tube is suitable for the new type of fuel with which the water heater is supplied. › loosen the two screws ‘1’ (fig.1) from the fastening bush, and remove the air suction tube; ›...

  • Page 61: User Section

    1. USER SECTION 3. USER SECTION The operations described in this section are addressed to all those who will use the machine. The machine must be used and accessed only by qualified operators that fully read and understood the User section, paying particular attention to the warnings.

  • Page 62: Use

    3. USE 3.1. USE 3.1.1. GENERAL USE WARNINGS › DO NOT use electrical switches, the telephone or any other device that might generate electrical WARNING discharges or sparks; Before starting the water heater the User must make sure that the First start-up certificate has ›...

  • Page 63: Control Panel

    3. USE 3.1.2. CONTROL PANEL RECIRCULATION MODE TEMPERATURE ADJUSTMENT KEYS INFO KEY: PRESS ONCE TO VIEW THE TEMPERATURES AND OTHER INFORMATION (see chapter ‘INFO MENU DISPLAY) - HOLD FOR 5 SECONDS, IN OFF OPERATING MODE, TO VIEW THE LAST 5 FAULTS OPERATING MODE SELECTION KEY: ON/ OFF RESET KEY: FAULTS RESET DOMESTIC...

  • Page 64: Display Icons

    3. USE 3.1.3. DISPLAY ICONS INDICATION OF PARAMETER NUMBER / DISPLAYED INFO CODE / RECIRCULATION MODE ACTIVE (fig.1) PARAMETERS PROGRAMMING FUNCTION ACTIVE RECIRCULATION PUMP ACTIVE fig. 1 TEMPERATURE DISPLAY / SET POINT / PARAMETER VALUE FLAME PRESENT SIGNALLING / IT ALSO INDICATES, ON 3 PERCENTAGE LEVELS, THE MODULATING POWER LEVEL OF THE WATER HEATER (fig.2)

  • Page 65: Info Menu Display Data

    3. USE 3.1.4. INFO MENU DISPLAY DATA To view the water heater data from info menu you just have to press the INFO ‘ ’ key. The info code will be displayed on the left side of the screen and its relative value will be displayed on the centre of the screen.

  • Page 66: Start-Up

    3. USE 3.1.5. START-UP To switch the water heater to OFF operating mode, press the function key ‘ ’, the symbol ‘ ’ Before starting the water heater make sure that will appear fixed on the display, indicating that the it is powered and that the gas tap below the water function is enabled.

  • Page 67: Fault Signalling Codes

    3. USE 3.1.8. FAULT SIGNALLING CODES The water heater might signal some faults by displaying a code. Below you have a list of the codes and of the operations to be performed in order to unlock the water heater. CODE ICON FAULT INTERVENTION...
  • Page 68 3. USE CODE ICON FAULT INTERVENTION PARAMETERS PROGRAMMING CUT OFF THE POWER SUPPLY FROM THE MAIN SWITCH AND REQUEST THEN RESTORE IT, AS SOON AS THE ERROR CODE DISAPPEARS, THE WATER HEATER WILL RESTART AUTOMATICALLY. IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT CENTRE.

  • Page 69: Active Functions Signalling Codes

    3. USE 3.1.9. ACTIVE FUNCTIONS › the hot water is immediately supplied at the SIGNALLING CODES requested temperature. › unnecessary delays are avoided by increasing the comfort of the final user. CODE FUNCTION INTERVENTION › water wastes are limited waiting that the water D.H.W CIRCUIT reaches the right temperature.

  • Page 70: Maintenance

    3. USE 3.1.11. MAINTENANCE To ensure proper water heater safety and efficiency, please check the device every year. An accurate maintenance should improve system management. 3.1.12. COVER CLEANING Clean the cover of the device using a wet cloth and come neutral soap. WARNING DO NOT use abrasive or powder detergents as they might damage the plastic cover and control...

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