Flexiheat R1K 28 RAIN Instructions For Installation, Use And Maintenance Manual
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Flexiheat R1K 28 RAIN Instructions For Installation, Use And Maintenance Manual

Premix condensing system boiler
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Installation, Use
and Maintenance Manual
for model
R1K 28 RAIN
Premix condensing system boiler
only heating, suitable for outdoor installation
0476
R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G

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  • Page 1 Installation, Use and Maintenance Manual for model R1K 28 RAIN Premix condensing system boiler only heating, suitable for outdoor installation 0476 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 2: Table Of Contents

    2.1.5. DIGITECH CS PARAMETERS TABLE 2.1.6. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM 2.2. MAINTENANCE 2.2.7. GENERAL MAINTENANCE WARNINGS 2.2.8. TECHNICAL DATA 2.2.9. TECHNICAL ASSEMBLY 2.2.10. HYDRAULIC BOARD 2.2.11. WIRING DIAGRAM 2.2.12. ACCESSING THE BOILER R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 3 3.1.5. START-UP 3.1.6. OPERATING MODE 3.1.7. INFORMATIONAL NOTE ON ANTI-FREEZE FUNCTION 3.1.8. SYSTEM FILLING 3.1.9. FAULT SIGNALLING CODES 3.1.10. ACTIVE FUNCTIONS SIGNALLING CODES 3.1.11. MAINTENANCE 3.1.12. COVER CLEANING 3.1.13. DISPOSAL R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 4: Introduction

    › (See chap “chapter name”): this entry indicates another section in the Manual that you should refer to. › Device: this term is used referring to the boiler. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 5 PRODUCT CONFORMITY These gas boilers comply with the European Directives and with the requirements provided in the European standards below: › Eco-design Directive 2009/125 CE, R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 7: Installer Section

    1. INSTALLER SECTION 1. INSTALLER SECTION The installation operations described in this section should 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

    R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 9: Reference Legislation

    1.1.3. REFERENCE LEGISLATION The installation must be realized according to the requirements of current legislation and in compliance with local technical regulations, according to the indications of the good technique. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 10: Unpacking

    › Turn the boiler at 90° holding it with your hand (fig. 1-B). › Lift the box (fig. 1-C) and remove the guards (fig. 1-D). fig. 1 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 11: Positioning And Minimal Technical Spaces

    R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 12: Overall Dimensions

    1. INSTALLATION 1.1.6. OVERALL DIMENSIONS 1.1.7. JIG HEATING RETURN Ø 3/4 Ø 3/4 COLD Ø 1/2 HEATING FLOW Ø 3/4 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 13: Circulator Prevalence/Flow Diagram

    (see fig.1) so as to allow the condense to drain. fig.1 1.1.8. CIRCULATOR PREVALENCE/ FLOW DIAGRAM Wilo-Yonos PARA MSL 12/6B p/kPa Q/m³/ h Q/l/s Q/Igpm max. Q/m³/ h Appliance Loss R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 14: Hydraulic Connection

    25 °f. However, please check the characteristics of the water used and install suitable treating devices. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 15: System Filling

    “M” (fig. 2) to make sure that the system pressure reaches 1.2 bar (fig. fig. 2 after performing this operation, make sure that the loading tap “R” (fig. 2) is properly closed. fig. 3 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 16: Filling The Condensate Collection Siphon

    › Connect the dedicated flexible condensate draining tube to a waste disposal system. The condensate can be drained directly in the sewerage system by inserting an easily serviceable siphon. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 17: Anti-Freeze Protection

    If the temperature goes below -10° centigrades, please fill the plant with anti-freeze liquid (CLEANPASS FLUIDO AG cod. 98716LA) and insert and electrical resistances kit (cod. 82259LP). R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 18: Gas Connection

    WARNING It is strictly forbidden the use of adaptors, multiple plugs and/or extensions for the general power supply of the equipment from the electrical network. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 19: Power Supply

    · the blue cable to the terminal marked with “N”. · the brown cable to the terminal marked with “L”. After performing these operations, remount plate “A” and the front casing. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 20: Optional Electrical Connections

    ‘ ’. After performing these operations, remount plate “A” and the front casing. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 21 TAZ1: ENVIRONMENT THERMOSTAT AREA 1 ORANGE TAZ 2: ENVIRONMENT THERMOSTAT AREA 2 BLACK VZ1: AREA 1 VALVE BROWN VZ2: AREA 2 VALVE LIGHT BLUE VZR: REMOTE CONTROLLED AREA VALVE R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 22 ‘5’ (see chapter ‘DIGITECH CS PARAMETERS TABLE’), the burner ignition request in heating mode is disabled, when closing the contact (even if the request comes from a connected room thermostat or remote control). R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 23: Fume Exhaust Fittings

    › Make sure that the discharge tube doe not protrude inside the fumes exhaust duct, stop before it reaches the inner surface of the latter. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 24: Installation Modes

    · have the axis of the inlet end perpendicular to the internal wall opposite to the chimney or fume exhaust duct; R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 25 50% the section of the vents. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 26: Types Of Fume Exhaust Systems

    Subsequent addition of a curve is similar to adding a linear length of tube according to the indications below: co-axial curve Ø80 to 90° = 1.5 m co-axial curve Ø80 to 45° = R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 27 Subsequent addition of a curve is similar to adding Ø80 a linear length of tube according to the indications below: co-axial curve Ø80 to 90° = 1.5 m co-axial curve Ø80 to 45° = R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 28 1 PLEASE NOTE: during the flue analysys tests, place the analyser inside the frontal flue kit terminal slots ‘F’ (fig. fig. 2 SECTION A-A R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 29: Support Centre Section

    1. SUPPORT CENTRE SECTION 2. SUPPORT CENTRE 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

    Local and National Laws and Standards; › make sure that the heating system gate valves are open; › make sure that there is no intake of gaseous products within the system; R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 31: Boiler Commissioning

    › If the flame is missing, the board will repeat the start-up operations after post-ventilation (20 seconds). › You might have to repeat the start-up operation several times to release all the air inside the gas R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 32: Co2 Value Check And Calibration

    › After each adjustment variation on screw ‘1’ (fig. 2) of the gas flow adjuster you have to wait for the boiler to stabilize itself to the set value (about 30 seconds). R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 33: Accessing And Programming The Parameters

    ’with the message ‘P00’, and release the keys ‘ ’ and ‘ ’. Use the keys ‘ ’ and ‘ ’ of the heating circuit to select the parameter to be edited. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 34 To exit the parameters menu, hold at the same time the keys ‘ ’ and ‘ ’ and wait for the symbol ‘ ’ to appear on the display. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 35: Digitech Cs Parameters Table

    0 - 5 0 = ISTANTANEOUS R2K 1 = ISTANTANEOUS RKR 2 = ACCUMULATION IN CALDAIA 3 = ACCUMULATION REMOTO 4 = ISTANTANEOUS COMFORT - FAST H2O 5 = HEATING ONLY R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 36 MULTIPLES OF 5 SECONDS TIME FOR WHICH THE BURNER WILL BE TURNED OFF ONCE (PRE-SET AT 36 X 5 = 180 THE HEATING TEMPERATURE REACHED THE USER SET SECONDS) TEMPERATURE. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 37 THE VALUE IS PRE-SET BASED ON THE SET POWER (SEE ELECTRIC FAN PARAMETER P00) AND ON THE GAS TYPE (SEE PARAMETER F R E Q U E N C Y P02) (HZ)’ R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 38 HOT WATER TREATMENT (AND INFORM THE USERS) TO AVOID UNFORSEEABLE DAMAGES TO PERSONS, ANIMALS AND PROPERTY. A THERMOSTATIC VALVE SHOULD BE INSTALLED AT THE DOMESTIC HOT WATER OUTLET TO AVOID ANY BURNS. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 39 Tm (°C) Kd = 25 Kd = 30 Kd = 20 45 MAX Kd = 15 Kd = 10 Kd = 5 Kd = 0 25 MIN Te (°C) R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 40 (ONLY WITH MODULATING PUMP AND RETURN PROBE CONNECTED) THROUGH THIS PARAMETER YOU CAN SET THE TEMPERATURE 10 - 40 THE VALUE IS EXPRESSED IN °C DIFFERENCE BETWEEN DELIVERY AND RETURN. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 41 3 = 4800 4 = 9600 5 = 19200 MODBUS MODE 0 - 2 0 = ENABLED 1 = ENABLED WITH LOCAL SETTINGS 2 = DISABLED (SET BY DEFAULT) R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 42 39 Hz = 7 l/min 44 Hz = 8 l/min 50 Hz = 9 l/min 55 Hz = 10 l/min 61 Hz = 11 l/min 66 Hz = 12 l/min R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 43 ELECTRICAL CONNECTIONS”) 1 = AIR PRESSURE-SWITCH THIS PARAMETER IS AUTOMATICALLY SET TO THE VALUE ‘1’ SAFETY WHEN THE VALUE OF PARAMETER P00 IS SET TO ‘11’. 2 = TELEPHONE DIALER R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 44: 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 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 45: Maintenance

    › remove and clean the burner from oxidation; the internal system. › check the integrity and the position of the sealed chamber sealing gasket; R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 46: Technical Data

    Fumes mass - Heat Input min. 1,78 NOx class class Weighted NOx (0% O2) ppm Weighted NOx (0% O2) mg/kWh mg/kWh Central heating circuit Temperature setting - Central heating °C 30-80 / 25-45 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 47 Max. Flue length Ø60 - Vert. Pipe Max. Flue length Ø80 - Vert. Pipe Electrical specifications Voltage-frequency V/Hz 220-230/50 Nominal power consumption 0,75 Electric power with boiler OFF Max Power consumption R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 48 Supply pressure min. - G31 mbar Supply pressure max. - G31 mbar Fan speed Max. HEATING output - G31 Fan speed Min. HEATING output - G31 Gas consumption - G31 kg/h 2,17 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 49 At rated heat output of cogeneration space heater with CHP100+Sup100 Rated heat output Psup Type of energy input Other items Standby heat loss P stby Ignition burner power consumption P R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 50 (*) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet. (**) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet). R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 51: Technical Assembly

    12. SAFETY THERMOSTAT 13. HEATING PROBE 14. LIGHT UP ELECTRODE 15. EXPANSION TANK 16. START-UP TRANSFORMER 17. AIR SUCTION TUBE 18. PROPORTIONAL VENTURI 19. WATER PRESSURE SWITCH 20. CONDENSATE COLLECTION SIPHON R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 52: Hydraulic Board

    SAFETY VALVE 3 bar SYSTEM DRAINING TAP 10. HEATING PROBE 11. SAFETY THERMOSTAT 12. EXPANSION TANK 13. AIR SUCTION TUBE 14. PROPORTIONAL VENTURI 15. WATER PRESSURE SWITCH 16. CONDENSATE COLLECTION SIPHON R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 53: Wiring Diagram

    TA: ENVIRONMENT THERMOSTAT AR: ORANGE VG: GAS VALVE SR: HEATING PROBE L: LINE GI: YELLOW TRA:START-UP TRANSFORMER EV: ELECTRIC FAN N: NEUTRAL BI: WHITE SRI: RETURN SENSOR NE: BLACK GR. GREY R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 54: Accessing The Boiler

    › remove the fastening screws (5) placed on the front edge of the side panel; › grab the bottom of the panel, and remove it by moving it sideways and pulling it upwards. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 55: Accessing The Electronic Board

    (fig. 1) loosening them and turn the panel downwards; › unscrew the four fastening screws 1 - fig. 1; › remove the crankcase pulling it upwards. fig. 1 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 56: System Emptying

    › close the main supply tap of the water supply network; › open all cold and hot water taps; › after completing all operations, close the discharge tap and all previously opened water taps. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 57: Fault Signalling Codes

    IF THE TENSION MEASURES BETWEEN PHASE-PHASE NEUTRAL AND GROUND IS ALMOST EQUAL TO THE ONE MEASURED BETWEEN PHASE AND GROUND, YOU HAVE TO INSTALL A PHASE-PHASE TRANSFORMER KIT (COD. 88021LA) R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 58 SWITCH CHECK THE WIRING; MANUAL RESET CABLE DISCONNECTED; (PRESS THE RESET ‘ ’ KEY). DISCHARGE OR SUCTION CHECK THE FUMES DISCHARGE DUCT; CLOSED; AIR PRESSURE SWITCH REPLACE IT. DEFECTIVE. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 59 REMOTE CONTROL IS NOT COMPATIBLE WITH THE P.C.B. COMMUNICATION ERROR NO ELECTRICAL CHECK THE WIRING; AUTOMATIC. BETWEEN THE BOILER CONNECTION; BOARD AND THE MODBUS BOARD MODBUS BOARD BROKEN; REPLACE IT; R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 60 SUPPLY VOLTAGE FALLS BACK WITHIN THE REQUESTED LIMITS). COMMUNICATION FAULT NO ELECTRICAL CHECK THE WIRING; AUTOMATIC. BETWEEN MODBUS CONNECTION; CONTROLLER AND MODBUS CONTROL UNIT MODBUS CONTROL UNIT REPLACE IT; BROKEN. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 61: Active Functions Signalling Codes

    IT CAN ALSO ACTIVATE DURING NORMAL BOILER OPERATION, IF THE WATER PRESSURE SWITCH CONFIRMATION IS MISSING, WHEN THE CONTACT IS RE-CLOSED, A 2 MINUTES RELEASE CYCLE WILL BE PERFORMED. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 62: Gas Type Transformation

    3 (see chapters ‘DIGITECH CS PARAMETERS TABLE’ and ‘ACCESSING AND PROGRAMMING THE PARAMETERS’); › adjust the CO2 combustion value as indicated in chapter ‘CO2 VALUE CHECK AND CALIBRATION’. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 63: 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 64: Use

    DANGER If you sense a gas odour in the location in which the boiler is installed, proceed as follows: R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 65: Control Panel

    SWEEP FUNCTION ACTIVATION (HOLD FOR 7 SECONDS) VALUE OF THE PARAMETERS ADJUSTMENT KEY / HOLD THE KEYS AT THE SAME TIME FOR 5 SECONDS TO ACTIVATE DISPLAY BACK LIGHT FOR 10 MINUTES R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 66: Display Icons

    MODULATING POWER LEVEL OF THE BOILER (fig.2) 11. ERROR DISPLAY THAT CAN BE RESET 12. OFF OPERATING MODE 13. ERROR DISPLAY THAT CAN NOT BE RESET 14. OPERATION IN HEATING MODE ENABLED R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 67: Info Menu Display Data

    OF THE REMOTE TANK TO THE BOILER (ONLY FOR HYBRID DOMESTIC SYSTEM WITH OPTIONAL SENSOR) POWER SUPPLIED BY THE HEATING PUMP IN KW/H (ONLY FOR HYBRID DOMESTIC SYSTEM) HEATING FLOW RATE DISPLAY EXPRESSED IN L/MIN (IF THERE IS A FLOWMETER). R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 68: Start-Up

    30 °C to 80 °C (25 °C – 45 °C for floor systems). OFF MODE In this mode the boiler no longer meets the heating demands, the anti-freeze and pump anti-locking systems still remain active. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 69: Informational Note On Anti-Freeze Function

    This function is available only if: › the boiler is powered; › the gas supply is open; › the pressure of the system is proper; › the boiler is not blocked. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 70: System Filling

    2 minutes system relief cycle. Throughout this function the display will fig. 1 show the code “F33”. The boiler can work normally only after completing the operation. fig. 2 R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 71: Fault Signalling Codes

    CUT OFF THE POWER SUPPLY FROM THE MAIN SWITCH AND THEN RESTORE IT, AS SOON AS THE ERROR CODE DISAPPEARS, THE BOILER WILL RESTART AUTOMATICALLY. IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT CENTRE. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...
  • Page 72 FROM THE DISPLAY, THE BOILER WILL START AUTOMATICALLY. SUPPLY VOLTAGE CONTACT THE TECHNICAL SUPPORT CENTRE. COMMUNICATION FAULT BETWEEN CONTACT THE TECHNICAL SUPPORT CENTRE. MODBUS CONTROLLER AND MODBUS CONTROL UNIT R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 73: Active Functions Signalling Codes

    H E A T I N G WAIT UNTIL A N T I - F R E E Z E OPERATION IS COMPLETED FUNCTION ACTIVE SYSTEM WAIT UNTIL RELEASE CYCLE OPERATION IS COMPLETED IN PROGRESS R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

  • Page 74: Maintenance

    (Waste Electrical and Electronic Equipment) shows that this product can not be dismantled as domestic waste. Proper dismantle of this product helps preventing potentially negative consequences on human health and environment. R1K 28 RAIN - RAD - ING - Manuale - 2103.1_SKB1.3_v.28_kW_firm.L224G...

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