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Flexiheat SFKG 150 Installation, Use And Maintenance Instruction

Floor standing condensing water heater
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Installation, Use
and Maintenance Manual
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SFKG
SFKG 150 - SFKG 200
Floor standing condensing water heater
0476
SFKG 150_200 - RAD - ING - Manual - 2409.1_SKM1.4_MIAH411_firm.L225D14_II2EY3P

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  • Page 1 Installation, Use and Maintenance Manual for model SFKG SFKG 150 - SFKG 200 Floor standing condensing water heater 0476 SFKG 150_200 - RAD - ING - Manual - 2409.1_SKM1.4_MIAH411_firm.L225D14_II2EY3P...

  • 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. OVERALL DIMENSIONS 1.1.6. WATER HEATER INSTALLATION 1.1.7. HYDRAULIC CONNECTION 1.1.8. CONDENSATE DRAIN 1.1.9. GAS CONNECTION 1.1.10. ELECTRICAL CONNECTION 1.1.11.
  • Page 3 SUMMARY 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. DISPLAY ICONS 3.1.4. INFO MENU DISPLAY DATA 3.1.5. START-UP 3.1.6. OPERATING MODES 3.1.7. FROST PROTECTION FUNCTION INFORMATION 3.1.8. ERROR SIGNALLING CODES 3.1.9. FUNCTIONS CODES INDICATION 3.1.10.

  • 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 INSTALLER SECTION 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 water heater 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: Overall Dimensions

    1. INSTALLATION 1.1.5. OVERALL DIMENSIONS S Ø 160 D.H.W. OUTLET Ø 1”1/2 Ø 1”1/2 COLD WATER INLET Ø 1”1/2 FLUE OUTLET Ø 160 mm Ø 29 mm CONDENSATE DRAIN CONNECTION SAFETY DRAIN VALVE Ø 1/2” SFKG 150_200 - RAD - ING - Manual - 2409.1_SKM1.4_MIAH411_firm.L225D14_II2EY3P...

  • Page 12: Water Heater Installation

    1. INSTALLATION 1.1.6. WATER HEATER INSTALLATION MINIMAL TECHNICAL SPACES In order to allow the access inside the water heater for maintenance operations, you have to respect the minimum technical spaces indicated in figure Keep the same distances from flammable materials and wooden walls as well. A - 200 mm WARNING B - 800 mm...

  • Page 13: Hydraulic Connection

    1. INSTALLATION 1.1.7. HYDRAULIC CONNECTION The heat exchanger coil cleaning frequency depends on the hardness of the supply water and on DANGER the presence of solid residues or impurities inside Make sure that the water and heating pipes the water that are often present in case of recently are not used as grounding system for the electrical installed plants.

  • Page 14: Condensate Drain

    1. INSTALLATION 1.1.8. CONDENSATE DRAIN FILLING THE CONDENSATE DRAIN SIPHON Before starting the water heater, it is necessary to fill the condensate drain siphon in order to prevent backflow of flue gases through the siphon itself. Fill the condensate drain siphon as follows: ›...
  • Page 15 1. INSTALLATION CONDENSATE NEUTRALISER cod.: 82153LA The condensate neutraliser box is included (factory C O N D E N S A T E fitted) within the water heater. It is complete with COLLECTION HOLE granulate and active carbons, for a power up to 350kW (see fig.2).

  • Page 16: Gas Connection

    1. INSTALLATION 1.1.9. GAS CONNECTION 1.1.10. ELECTRICAL CONNECTION DANGER DANGER In order to connect the water heater gas The water heater is electrically safe only connector to the supply pipe, use a stop seal of an if it is properly connected to an efficient earthing appropriate size and material.

  • Page 17: Power Supply

    After performing these operations, refit the front panel of the switchboard and close the water heater front doors. SFKG 200 switchboard SFKG 150 the power supply to the individual water heaters is connected at the factory the dotted line shows the electrical connections to be made by the installer fig.
  • Page 18 1. INSTALLATION To connect the power supply to the water heaters in cascade carry out the electrical connections as shown in fig. 2, please proceed as follows: DANGER Cut off the voltage from the main switch. › open the water heaters front doors; ›...

  • Page 19: Optional Electrical Connections

    1. INSTALLATION 1.1.12. OPTIONAL ELECTRICAL CONNECTIONS SFKG 200 SFKG 150 IN CASE OF AN ADDITIONAL WATER HEATER (CASCADE INSTALLATION), CONNECT MODBUS CABLE AS FOLLOWS: DANGER Cut off the voltage from the main switch. › Remove the front panels from the switchboard 1 and from the switchboard 2 of the additional water heater (see fig.1);...

  • Page 20: Fume Exhaust Fittings

    1. INSTALLATION 1.1.13. 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 21: Installation Modes

    1. INSTALLATION 1.1.14. INSTALLATION MODES For this type of water heater, the following flue exhaust configurations are available: B23, B23P, B33, B53, C13, C33, C43, C53, C63, C73, C83 e C93 (see Fig. 1). › B23- Indoor air intake and outdoor flue exhaust. ›...
  • Page 22 1. INSTALLATION · have the axis of the inlet end perpendicular to the internal wall opposite to the chimney or fume exhaust duct; · have, along its entire length, a section equal to or greater than that of the connection of the device discharge pipe;...
  • Page 23 1. INSTALLATION VERTICAL FLUE PIPE Ø 160 WITH INTEGRATED NON-RETURN FLUE DAMPERS It allows the connection of a Ø 160 mm flue system. PLEASE SEE THE MAXIMUM EXHAUST LENGTH IN THE TABLE IN CHAPTER “TECHNICAL DATA”. WARNING To ensure proper sealing at all times of the non-return flue dampers inserted in the Ø160 vertical pipe, they must be replaced every 2 years by an authorised service centre.

  • Page 25: Service Center Section

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

  • Page 26: Commissioning

    2. COMMISSIONING 2.1. COMMISSIONING 2.1.1. PRELIMINARY OPERATIONS › make sure that there are no flammable liquids FOR COMMISSIONING or materials near the device; The commissioning operations consist in checking › open the water heater gas tap and make sure the correct installation, setting and operation of that there are no gas leaks upstream from the device.

  • Page 27: Water Heater Ignition

    2. FIRST START-UP 2.1.2. WATER HEATER IGNITION Proceed with water heater ignition as follows: › power the water heater; › open the gas tap; › For the water heater start-up, please refer to the cascade controller manual. › If the flame is missing the board will repeat the start-up operations after post-ventilation (20 seconds).

  • Page 28: 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 closed casing, while the gas valve should be adjusted edit mode is 7 minutes).

  • Page 29: 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: Hold the ‘ ’ and ‘ ’ buttons simultaneously until the symbol ‘ ’ appears on the display with the message ‘P00’, and release the ‘...
  • Page 30 2. FIRST START-UP Press the ‘ ’ button to confirm the action and wait for the display to stop blinking, indication of the fact that the adjustment was implemented. To exit the parameters menu, hold at the same time the ‘ ’...

  • Page 31: Pcb Parameters Table

    2. FIRST START-UP 2.1.5. PCB 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 THE INSTRUCTION IN CHAPTER ‘GAS CONVERSION’...
  • Page 32 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION RECIRCULATION DIFFERENTIAL ACTIVATION 5 - 15 VALUE EXPRESSED IN °C THROUGH THIS PARAMETER, IT IS POSSIBLE TO ANTICIPATE THE RECIRCULATION FUNCTION, COMPARED TO THE RECIRCULATION SET POINT PRESET BY THE END- USER, BY MODIFYING THE TEMPERATURE DIFFERENCE. FAN MINIMUM SPEED ADJUSTMENT 43 - 255 VALUE EXPRESSED IN HERTZ (1HZ = 30...
  • Page 33 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION EXECUTION PERIOD OF THE OVERHEATING FUNCTION 0 - 60 VALUE EXPRESSED IN SECONDS (PRE- THROUGH THIS PARAMETER , IT IS POSSIBLE TO ENABLE SET AT 10 SECONDS) AND SET THE DURATION OF THE EXECUTION PERIOD OF THE OVERHEATING FUNCTION, DURING WHICH THE CIRCULATING PUMP ACTIVATES BY DISSIPATING THE HEAT IN EXCESS.
  • Page 34 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION MINIMUM D.H.W FLOW RATE SETTING 20 - 68 VALUE EXPRESSED IN HERTZ THROUGH THIS PARAMETER, IT IS POSSIBLE TO SET THE 20 Hz = 1.5 l/min MINIMUM D.H.W. FLOW RATE NECESSARY TO ACTIVATE 28 Hz = 2 l/min THE WATER HEATER.
  • Page 35 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION MODBUS MODE 0 - 2 0 = ENABLED 1 = ENABLED WITH SOME SETTINGS TO BE ADJUSTED FROM THE WATER HEATER CONTROL PANEL 2 = DISABLED (SET BY DEFAULT) CONNECTION STATUS OF THE SOLAR AUXILIARY BOARD (FOR 0 - 1 0 = NOT INSTALLED CASCADE WATER HEATERS)
  • Page 36 2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION SAFETY CHECK ENABLING FOR INSUFFICIENT CIRCULATION 0 - 1 0 = DISABLED DURING IGNITION ACTIVATING THIS PARAMETER, CORRECT 1 = ENABLED (SET BY DEFAULT) FUNCTIONING OF THE PUMP IS CHECKED AT EACH BURNER IGNITION. THIS CHECK ALLOWS TO PROTECT THE HEAT EXCHANGER AND OTHER PARTS FROM EXCESSIVE NON-DISSIPATED HEAT, IN CASE THE PUMP DOES NOT WORK PROPERLY.

  • Page 37: Electric Fan Frequency/Heat Capacity Diagram

    2. FIRST START-UP 2.1.6. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM FREQUENCY (Hz) *Data on a single unit STARTING STEP GAS TYPE MINIMUM FREQUENCY MAXIMUM FREQUENCY ADJUSTMENT 20%H2NG SFKG 150_200 - RAD - ING - Manual - 2409.1_SKM1.4_MIAH411_firm.L225D14_II2EY3P...

  • Page 38: Maintenance

    If the situation cannot be resolved annual basis. The operations described below, are essential immediately, the appliance must be put out of to the validity of the standard Flexiheat warranty and operation. must be performed by professionally qualified personnel in accordance with current legislation ›...

  • Page 39: Technical Data

    2. MAINTENANCE 2.2.8. TECHNICAL DATA Model SFKG 150 SFKG 200 Gas category II2EY3P II2EY3P Flue system type type B 2 3 - B 2 3 p - B 2 3 - B 2 3 p - B33-B53 B33-B53 Heat Input max (D.H.W.) Heat Input min (D.H.W.)
  • Page 40 2. MAINTENANCE Dimensions Width Depth Height 1880 1880 Gross weight 258,8 Net weight 175,5 Hydraulic Connections C.H. Flow Ø 1 1/2” 1 1/2” Ø 1 1/2” 1 1/2” C.H. Return Ø 1 1/2” 1 1/2” Flue systems Fan - Max. available pressure Fan - Min.

  • Page 41: Technical Assembly

    2. MAINTENANCE 2.2.9. TECHNICAL ASSEMBLY Ø 160 FLUE EXHAUST CONNECTION GAS TAP CONDENSING HEAT EXCHANGER 1 CONDENSING HEAT EXCHANGER 2 CONDENSING HEAT EXCHANGER 3 CONDENSING HEAT EXCHANGER 4 CONTROL PANEL 1 CONTROL PANEL 2 CONTROL PANEL 3 10. CONTROL PANEL 4 11.

  • Page 42: Hydraulic Board

    2. MAINTENANCE 2.2.10. HYDRAULIC BOARD C. D.H.W. OUTLET G. GAS SC. CONDENSATE DRAIN F. COLD WATER INLET AUTOMATIC AIR VENT VALVE COLD WATER INLET MANIFOLD FLUE SAFETY THERMOFUSE SAFETY THERMOSTAT GAS VALVE AIR INTAKE TUBE SYSTEM DRAINING TAP CONDENSATE DRAIN SIPHON 10.

  • Page 43: Wiring Diagram - Control Panel

    2. MAINTENANCE 2.2.11. WIRING DIAGRAM - CONTROL PANEL 1 B2 A2 CC ER: FLAME DETECTION ELECTRODE SI: COLD WATER INLET SENSOR PA: AIR PRESSURE SWITCH EA: START-UP ELECTRODE SS: DOMESTIC HOT WATER OUTLET SENSOR CM: MODBUS CASCADE MA: BROWN CONTROLLER MF: FLOWMETER EV: FAN QI: SWITCHBOARD...

  • Page 44: Wiring Diagram - Modbus Cascade Controller - Water Heaters

    2. MAINTENANCE 2.2.12. WIRING DIAGRAM - MODBUS CASCADE CONTROLLER - WATER HEATERS KEY TO ELECTRICAL CONNECTIONS OF CONTROL UNIT 40-00485 K1-N: Water Heater n.1 - EV1 -Valve control K2-N: Water Heater n.2 - EV2 -Valve control K3-N: Water Heater n.3 - EV3 -Valve control K4-N: Water Heater n.4 - EV4 -Valve control K5-N: Water Heater n.5 - EV5 -Valve control K6-N: Water Heater n.6 - EV6 -Valve control...
  • Page 45 2. MAINTENANCE SOLAR THERMAL PA: PRESSURE SWITCH VDSol: SOLAR DIVERTER VALVE TS: DHW thermostat (as an alterna�ve to the sensor S2) (op�onal) CS: SOLAR MANIFOLD CIRCULATOR EV1: WATER HEATER N.1 - VALVE - 220V CS2: SOLAR CIRCULATOR 2 EV2: WATER HEATER N.2 - VALVE - 220V SCS: SOLAR MANIFOLD SENSOR EV3: WATER HEATER N.3 - VALVE - 220V SBS: UPPER SOLAR CYLINDER SENSOR...

  • Page 46: Accessing The Water Heater

    2. MAINTENANCE 2.2.13. ACCESSING THE WATER HEATER For most of control and maintenance operations, it is necessary to open the water heater front doors. Please proceed as follows (Fig. 1): › insert the key provided with the unit and open the lock (1) of door ‘a’;...

  • Page 47: Accessing The Electronic

    2. MAINTENANCE 2.2.14. ACCESSING THE ELECTRONIC P.C.B. To work on the electrical connections of the control panel, 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. 1) loosening them and turn the panel downwards;...

  • Page 48: Emptying The Domestic System

    2. MAINTENANCE 2.2.15. 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 49: Error Signalling Codes

    2. MAINTENANCE 2.2.16. ERROR SIGNALLING CODES To view the last 5 error signalling codes chronologically, starting with the most recent one, turn the water heater in ‘OFF’ mode by pressing the FUNCTION ‘ ’ button and hold the INFO ‘ ’...
  • Page 50 2. MAINTENANCE CODE ERROR POSSIBLE CAUSE SOLUTION RESET SAFETY THERMOSTAT ERRORY OR DISCONNECTED CHECK THE WIRING: AUTOMATIC. THERMOSTAT CABLE; THERMOSTAT. REPLACE IT. FLUE SAFETY THERMO ERRORY THERMO FUSE; REPLACE IT; MANUAL RESET FUSE (102°C) (PRESS THE RESET DISCONNECTED THERMO CHECK THE WIRING. ‘...
  • Page 51 2. MAINTENANCE CODE ERROR POSSIBLE CAUSE SOLUTION RESET RECIRCULATION MODE ERRORY OR INCORRECTLY REPLACE IT; AUTOMATIC. SENSOR CALIBRATED SENSOR (RESISTANCE VALUE 10 KOHM AT 25 °C NTC); DISCONNECTED OR WET CHECK THE WIRING. SENSOR CABLE. ERRORY FAN P.C.B.; REPLACE IT; AUTOMATIC.
  • Page 52 2. MAINTENANCE CODE ERROR POSSIBLE CAUSE SOLUTION RESET ELECTRIC LEAKAGE DEFECTIVE GAS VALVE TRY TO DISCONNECT THE GAS VALVE AUTOMATIC. ON THE HIGH CIRCUIT CABLE AND START THE WATER HEATER VOLTAGE AGAIN. IF THE E01 ERROR OCCURS UPON RE-STARTING INSTEAD OF THE PREVIOUS E21, REPLACE THE GAS VALVE.
  • Page 53 2. MAINTENANCE CODE ERROR POSSIBLE CAUSE SOLUTION RESET SOLAR PANEL SENSOR DISCONNECTED REMOTE SET MANUALLY THE VALUE OF AUTOMATIC. INLET SENSOR; PARAMETER P29 TO ‘0’. ERRORY OR INCORRECTLY REPLACE IT; CALIBRATED SENSOR (RESISTANCE VALUE 10 KOHM AT 25 °C NTC); DISCONNECTED OR WET CHECK THE WIRING.
  • Page 54 2. MAINTENANCE CODE ERROR POSSIBLE CAUSE SOLUTION RESET INPUT MONITOR SENSOR ERRORY OR INCORRECTLY REPLACE IT; AUTOMATIC. ERROR CALIBRATED SENSOR (RESISTANCE VALUE 10 KOHM AT 25 °C NTC); DISCONNECTED OR WET CHECK THE WIRING. SENSOR CABLE. SOLAR AUXILIARY P.C.B. SOLAR AUXILIARY P.C.B. SET MANUALLY THE VALUE OF AUTOMATIC.
  • Page 55 2. MAINTENANCE CODE ERROR POSSIBLE CAUSE SOLUTION RESET TEMPERATURE OUTLET MIXING VALVE ERRORY REPLACE IT. AUTOMATIC. FROM THE MIXING VALVE HIGHER OR LOWER THAN D.H.W. FLOW RATE TOO REDUCE THE D.H.W. FLOW RATE THE SETPOINT SET BY HIGH COMPARED TO THE THE USER POWER SUPPLIED BY THE BURNER...

  • Page 56: Active Functions Signalling Codes

    2. MAINTENANCE 2.2.17. ACTIVE FUNCTIONS SIGNALLING CODES CODE FUNCTION DESCRIPTION STORAGE TANK ANTI-FREEZE WHEN THE STORAGE TANK SENSOR DETECTS A TEMPERATURE LOWER THAN 4°C, THE PROTECTION SOLAR PUMP IS POWERED UNTIL A TEMPERATURE OF 6°C IS REACHED. D.H.W CIRCUIT ANTI-FREEZE WHEN THE SANITARY SENSOR DETECTS A TEMPERATURE BELOW 5°C, THE PUMP RUNS PROTECTION AND THE BURNER LIFTS UP THE TEMPERATURE TO 20°C.

  • Page 57: 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 59: User Section

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

  • Page 60: 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 61: Control Panel

    3. USE 3.1.2. CONTROL PANEL RECIRCULATION MODE TEMPERATURE ADJUSTMENT BUTTONS INFO BUTTON: 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 ERRORS OPERATING MODE SELECTION BUTTON: ON/ RESET BUTTON: ERRORS RESET DOMESTIC...

  • Page 62: 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 SIGNALLING CONNECTED SOLAR P.C.B. / SOLAR PANEL TEMPERATURE DISPLAY (d5) fig. 1 SOLAR / RECIRCULATION PUMP ACTIVE TANK LOWER TEMPERATURE DISPLAY (d6) / TANK UPPER TEMPERATURE DISPLAY (d7) TEMPERATURE DISPLAY / SET POINT / PARAMETER VALUE...

  • Page 63: 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 ‘ ’ button. 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 64: Start-Up

    3. USE 3.1.5. START-UP ‘modefunz’ with value zero. The symbol ‘ ’ will appear fixed on the display, indicating that the Before starting the water heater make sure that it function is activated. is powered and that the gas tap placed under the water heater is open.

  • Page 65: Error Signalling Codes

    3. USE 3.1.8. ERROR SIGNALLING CODES The water heater might signal some errors 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 ERROR INTERVENTION...
  • Page 66 3. USE CODE ICON ERROR 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. SHOULD THE BLOCK PERSIST, CONTACT THE TECHNICAL SERVICE CENTRE.
  • Page 67 3. USE CODE ICON ERROR INTERVENTION TEMPERATURE OUTLET FROM THE CONTACT THE TECHNICAL SERVICE CENTRE. MIXING VALVE TOO HIGH COMPARED TO THE SETPOINT SET BY THE USER SFKG 150_200 - RAD - ING - Manual - 2409.1_SKM1.4_MIAH411_firm.L225D14_II2EY3P...

  • Page 68: Functions Codes Indication

    3. USE 3.1.9. FUNCTIONS CODES 3.1.10. FAST H2O FUNCTION INDICATION The Fast H2O function keeps a constant temperature in the D.H.W. circuit within the water CODE FUNCTION INTERVENTION heater, according to the temperature set by the user. STORAGE TANK WAIT UNTIL A N T I - F R E E Z E OPERATION IS COMPLETED...

  • Page 69: Maintenance

    3. USE 3.1.11. MAINTENANCE To ensure proper water heater safety and efficiency, please service the water heater every year. An accurate maintenance should improve system management. 3.1.12. EXTERNAL CASING CLEANING Clean the water heater casing using a wet cloth and neutral soap. WARNING DO NOT use abrasive or powder detergents as they might damage the water heater casing and...

This manual is also suitable for:

Sfkg 200

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