Radiant SFK 55 Installation, Use And Maintenance Manual
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Radiant SFK 55 Installation, Use And Maintenance Manual

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Installation, Use
and Maintenance Manual for
model
SFK 55
WARNING
If the information in these instructions is not followed exactly, a fire or explosion may result,
causing property damage, personal injury or loss of life.
-Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
-WHAT TO DO IF YOU SMELL GAS
>Do not try to light any appliance.
>Do not touch any electrical switch; do not use any phone in your building.
>Immediately call your gas supplier from an outside phone. Follow the gas supplier's instructions.
>If you cannot reach your gas supplier, call the fire department.
-Installation and service must be performed by a qualified installer, service agency or the gas supplier.
SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS

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  • Page 1 >Immediately call your gas supplier from an outside phone. Follow the gas supplier’s instructions. >If you cannot reach your gas supplier, call the fire department. -Installation and service must be performed by a qualified installer, service agency or the gas supplier. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 2 2.1.4. ACCESSING AND PROGRAMMING THE PARAMETERS 2.1.5. PARAMETERS TABLE 2.2. MAINTENANCE 2.2.6. GENERAL MAINTENANCE WARNINGS 2.2.7. TECHNICAL DATA 2.2.8. TECHNICAL ASSEMBLY 2.2.9. INTERNAL PIPING SCHEMATIC 2.2.10. OPERATIONAL SCHEMES 2.2.11. WIRING DIAGRAM SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 3 3.1.5. START-UP 3.1.6. OPERATING MODE 3.1.7. INFORMATIONAL NOTE ON ANTI-FREEZE FUNCTION 3.1.8. FAULT SIGNALLING CODES 3.1.9. ACTIVE FUNCTIONS SIGNALLING CODES 3.1.10. FAST H2O FUNCTION 3.1.11. MAINTENANCE 3.1.12. COVER CLEANING 3.1.13. DISPOSAL SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 4: Introduction

    › The images contain important parts described in the text, marked with numbers or letters. › (See chap “chapter# name”): this entry indicates another section in the Manual that you should refer to. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 5 PRODUCT CONFORMITY RADIANT BRUCIATORI spa with reference to ANSI Z21.10.3-2015 • CSA 4.3-2015 GAS-FIRED Water heatersS, declares that its gas water heaters are professionally manufactured. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • 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

    › The location must be properly vented through Codes, or local codes having jurisdiction. an air vent. Where an exhaust fan or any other air consumption appliance is installed in the same space as the SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 9: Reference Legislation

    This water heater must be installed in accordance with local codes, if any; if not, follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CAN/ CSA B149.1, as applicable. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 10: Unpacking

    › Turn the water heater at 90° holding it with your hand (fig. 1-B). › Lift the box (fig. 1-C) and remove the guards (fig. 1-D). SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 11 HOT WATER OUTLET Ø3/4” NPT RECIRCULATION MODE Ø1/2” NPT COLD WATER INLET Ø3/4” NPT CONDENSATE DRAIN Ø0.8” (*) NOTE: THESE ARE CONNECTION SIZES BEFORE VALVE KIT/CONNECTION CONVERSION KIT IS INSTALLED. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 12: Positioning And Clearances To Combustible Material And Service Clearances

    9 8 " 1 5 . 9 8 " ( 4 0 1 5 . ( 4 0 fig. A fig. B fig. C FIXING HOLES fig. E fig. D fig. F SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 13 2-3° (fig. 7). Perform the connections. fig. 5 fig. 6 LOWER WALL BRACKET LOWER WALL BRACKET 2 - 3° fig. 7 LOWER WALL BRACKET SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 14: Circulator Performance Curve

    1. INSTALLATION 1.1.8. CIRCULATOR PERFORMANCE CURVE WILO STAR 8 BS7 H (ft) Q (US gpm) FLOW RATE US gpm fig. 8 Circulator priority maximum speed - - - - Appliance Loss SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 15: Water Connection

    The heat exchanger coil cleaning frequency depends on the hardness of the supply water and on the presence of solid residues or impurities inside the water that are often present in recently SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 16: Recirculation Mode

    127 °F (53 °C). When this temperature is achieved, the appliance shuts-off while the pump keeps running. The appliance is activated again when the temperature falls to 122 °F (50 °C). SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 17: Piping Diagram For Basic Installation

    This drawing is not intended to describe a complete system. It is up to the contractor / engineer to determine the necessary components and configuration of the particular system being installed. (PUMP PROVIDED INSIDE) fig. 12 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 18: Condensate Drain

    The system should be designed to avoid the condensate freezing. Before the water heaters commissioning, check the correct condensate flow. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 19 Neutral point is on the 6,8-7 value; in case of lower value the condensate is acid, in case of a higher value it is basic. If necesssary, replace the active carbon and the reagent granulate. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 20: Anti-Freeze Protection

    For long periods of standby, please empty the water heater and the plant. If the temperature goes below 14 °F (-10 °C) centigrades, please insert the electrical resistances kit (cod. 82259LP). SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 21: Pressure Relief Valve Kit

    › Ensure that the discharge line will allow free and complete drainage without restriction. Do not install a reducing coupling or other restriction on the discharge line. PRESSURE RELIEF VALVE fig. 15 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 22: Gas Connection

    › the gas supply pressure falls within the values indicated on the data plate. WARNING It is strictly forbidden to use adaptors, multiple plugs and/or extensions for the general power supply of the equipment from the electrical supply. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 23: Power Supply

    · the black cable to the terminal marked with “L”. After performing these operations, remount plate “A” and the front casing. Note: A 3-prong plug is provided with every unit and the above wiring has been performed. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 24: Optional Electrical Connections

    › unscrew the screws and remove plate “A” (see fig. 18). › After removing the plate, connect the electrical cables to terminal “B” (see fig. 18); › After performing these operations, remount plate “A” and the front casing. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 25: Venting

    BH Gas Venting Systems certified to ULC S636. Types of venting configurations for this appliance are, co-axial vent (pipe with in a pipe), co-linear vent (separate pipes for exhaust and combustion SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 26 2. Building material within 5 ft (1,5m) of a vent terminal will be subjected to products of combustion and therefore may be subject to discoloration or deterioration, of building materials. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 27: Types Of Exhaust Systems

    Distance above avg. snow fall or grade Ref: CSA B149.1 Traps, if used, should have pipe slopes not less than 1/4 fig. B in/ft [21 mm/m] downwards to the trap. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 28 Please refer to figure ‘F’ for through the roof single vent installations. fig. C 12” minimum above average Exhaust 12” minimum snow fall Exhaust 12” minimum Roof 12” minimum Intake above average snow fall Roof SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 29 · Install the first piece of 60 mm or 80 mm polypropylene or 3” schedule 40 PVC or CPVC pipe until it bottoms out. · Finally use the gear clamp to tighten the first piece of pipe to the adaptor. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 30 20 When terminating horizontally, install an elbow at the end of the terminal. For area where snow is a concern it is recommended to point the elbow downwards. fig. 21 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 31: Table 1: Allowable Vent Lengths

    * The frequency must be change to a value of 270 Hz only with 2” diameter pipe that has a total vent run of above 18 ft (5.5 m). ** Vent run consists of allowable vent length for exhaust pipe and an additional allowable vent length for combustible air. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 33: Support Center Section

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

  • Page 34: First Start-Up

    Local and National Laws and Standards; › make sure that the D.H.W. system gate valves are open; › make sure that there is no intake of gaseous products within the system; SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 35: Water Heaters Commissioning

    Before repeating the operation, wait at least 5 seconds from the last start-up attempt and unlock the water heater from “E01” error code by pressing the Reset ‘ ’ key. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 36: Co2 Value Check And Calibration

    › Open several D.H.W. taps at the highest flow rate. › Access parameter ‘P07’ following the procedure described in 2.1.4 “Parameters accessing and programming” and stay in edit mode. fig. 24 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 37: Accessing And Programming The Parameters

    ’with the message ‘P00’, and release the keys ‘ ’ and ‘ ’. fig. 26 Use the keys ‘ ’ and ‘ ’ of the symbol recirculation to select the parameter to be edited. fig. 27 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 38 To exit the parameters menu, hold at the same time the keys ‘ ’ and ‘ ’ and wait for the symbol ‘ ’ to appear on the display. fig. 30 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 39: Parameters Table

    (FACTORY SET AT 8 X 5 = 40 SECONDS) THROUGH THIS PARAMETER YOU CAN SET THE PUMP OPERATION DURATION ON THE DOMESTIC CIRCUIT, WHEN THE RECIRCULATION MODE IS ACTIVE, AFTER THE TAP IS CLOSED. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 40 THE TIME NECESSARY FOR THE WATER HEATER TO REACH THE MINIMUM SET POWER, AFTER THE BURNER START-UP. TYPE OF UNIT SELECTION 0 - 1 0 = °C - l/min 1 = °F - gpm SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 41 HOT WATER TREATMENT (AND INFORM THE USERS) TO AVOID UNFORSEEABLE DAMAGES TO PERSONS, ANIMALS AND PROPERTY. THERMOSTATIC VALVE SHOULD BE INSTALLED AT THE DOMESTIC HOT WATER OUTLET TO AVOID ANY BURNS. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 42 PUMP OPERATION IN WATER HEATER MODE 0 - 1 0 = DISABLED THROUGH THIS PARAMETER YOU CAN ACTIVATE/DEACTIVATE THE CIRCULATING PUMP DURING THE NORMAL OPERATION 1 = ENABLED OF THE WATER HEATER. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 43: Maintenance

    › check that the liquid flow is not obstructed and CALIBRATION”; that there is no combustion gas build up inside the internal system. › remove and clean the burner from oxidation; SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 44: Technical Data

    3.28 (1) Max discharge length - Hor. coaxial Ø3”/5” (80/125mm) ft (m) 16.40 (5) Max discharge length Ø2”/2” (Ø50/50 mm) - Hor Split with ft (m) 18.04 (5.5) frequency 255 Hz SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 45 These values must be shown in a chart form in the manual. In addition, there should be a warning to the installer that if the correct frequency is not assigned a hazardous condition can exist. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 46: Technical Assembly

    GAS VALVE WATER TEMPERATURE HIGH LIMIT SWITCH AIR ELIMINATOR 10. SPARK ELECTRODE 11. IGNITION TRANSFORMER 12. AIR SUCTION TUBE 13. PROPORTIONAL VENTURI 14. CIRCULATOR 15. CONDENSATE COLLECTION SIPHON 16. FLOW SWITCH SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 47: Internal Piping Schematic

    COMBUSTION BLOWER RECIRCULATION PROBE 3-WAY VALVE - RECIRCULATION MODE PRESSURE RELEIF VALVE AIR ELIMINATOR DOMESTIC TEMPERATURE PROBE OUTLET 10. WATER TEMPERATURE HIGH LIMIT SWITCH 11. AIR SUCTION TUBE 12. PROPORTIONAL VENTURI SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 48: Operational Schemes

    2. MAINTENANCE 2.2.10. OPERATIONAL SCHEMES DRAW MODE POST-CIRCULATION MODE RECIRCULATION MODE (RECIRCULATION NON ACTIVE) (RECIRCULATION NON ACTIVE) (POST-CIRCULATION ACTIVE) fig. 33 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 49: Wiring Diagram

    TF: EXHAUST SAFETY HIGH LIMIT SWITCH_(102°C) EV: COMBUSTION BLOWER BK: BLACK GY. GREY SRC: RECIRCULATION TEMPERATURE PROBE PA: AIR PRESSURE SWITCH RC: DOMESTIC HOT WATER PRE-HEATING DEACTIVATION TIMER SF: CONDENSATE COLLECTION SIPHON SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 50: Accessing The Water Heaters

    › grab the bottom of the panel and remove it by moving it sideways C and then pulling it upwards D (see fig. 35). SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 51: Accessing The Electronic Board

    (fig. 36) loosening them and turn the panel downwards; › unscrew the four fastening screws 1 - fig. 36; › remove the crankcase pulling it upwards. fig. 36 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 52: Emptying The Domestic System

    › 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. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 53: Fault Signalling Codes

    HAVE TO INSTALL A PHASE-PHASE TRANSFORMER KIT (COD. 88021LA) AIR PRESSURE SWITCH OUT OF ORDER, REPLACE PART , SWITCH EXHAUST VENT CHECK EXHAUST VENT OR AIR INLET INLET PIPE OBSTRUCTED PIPE SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 54 KOHM AT 77°F (25°C) NTC); DISCONNECTED OR WET CHECK THE WIRING. PROBE CONNECTOR. COMBUSTION COMBUSTION BLOWER REPLACE IT; AUTOMATIC. BLOWER BOARD BROKEN; COMBUSTION BLOWER REPLACE IT; BROKEN; FAULTY POWER SUPPLY REPLACE IT. CABLE. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 55 SUPPLY VOLTAGE OFF THE CHECK THE POWER SUPPLY AUTOMATIC. OPERATION RANGE (≤ 80 NETWORK (THE ERROR DEACTIVATES VOLTS). AUTOMATICALLY AS SOON AS THE SUPPLY VOLTAGE FALLS BACK WITHIN THE REQUESTED LIMITS). SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 56: Active Functions Signalling Codes

    YOU CAN ACTIVATE/DEACTIVATED IT BY HOLDING SIMULTANEOUSLY AND FOR 7 SECONDS THE RESET ‘ ’ AND ‘ ’ OF THE SYMBOL RECIRCULATION . THE “FAST H2O” FUNCTION GUARANTEES THE IMMEDIATE D.H.W SUPPLY AT THE REQUESTED TEMPERATURE. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 57: Positions Of The Electrodes

    If the water heaters does not restart, check the positions of the electrodes (especially the ignition electrode). LIGHT UP ELECTRODE DETECTION ELECTRODE 0.16" (3mm) LIGHT UP ELECTRODE LIGHT UP ELECTRODE DETECTION ELECTRODE fig. 37 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 58: Conversion To A Different Gas Type

    40 (see 2.1.5 and 2.1.4 ‘DIGITECH CS PARAMETERS TABLE’ and ‘ACCESSING AND PROGRAMMING THE PARAMETERS’); › adjust the CO2 combustion value as indicated in 2.1.3 ‘CO2 VALUE CHECK AND CALIBRATION’. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 59: 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 60: General Use Warnings

    Water temperatures over 125°F (52°C) can cause severe burns or sclding resuling in death. Children, disabled or orderly are at highest risk of being scaled. Feel water before bathing or showering. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 61 3. USE SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 62 3. USE SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 63 3. USE SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 64 3. USE SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 65: Control Panel

    SWEEP FUNCTION ACTIVATION (HOLD FOR 7 SECONDS). DOMESTIC WATER TEMPERATURE ADJUSTMENT KEY / HOLD THE KEYS AT THE SAME TIME FOR 5 SECONDS TO ACTIVATE DISPLAY BACK LIGHT FOR 10 MINUTES. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 66: Display Icons

    MODULATING POWER LEVEL OF THE WATER HEATER (fig.43) ≤ 33% >33%<66% >66%<100% OPERATION IN DOMESTIC MODE ENABLED ERROR DISPLAY THAT CAN BE RESET OFF OPERATING MODE ERROR DISPLAY THAT CAN NOT BE RESET fig. 43 SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 67: Info Menu Display Data

    To exit display mode press the INFO ‘ ’ key. LIST OF DISPLAYED DATA INFO CODE ICON DESCRIPTION COLD CIRCUIT INLET PROBE TEMPERATURE HOT WATER CAPACITY FAN SPEED RECIRCULATION PROBE TEMPERATURE SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 68: Start-Up

    If the water heaters was previously running, it will be turned off and the post-ventilation and post-circulation functions will be enabled. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 69: Fault Signalling Codes

    CUT OFF THE POWER SUPPLY FROM THE MAIN SWITCH AND THEN RESTORE IT, AS SOON AS THE ERROR CODE DISAPPEARS, THE WATER HEATER WILL RESTART AUTOMATICALLY. IF THE ERROR PERSISTS CONTACT A QUALIFIED SERVICE TECHNICIAN. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 70 ’ BUTTON ON THE CONTROL PANEL TO RESET THE FAULT, AS SOON AS THE ERROR CODE DISAPPEARS FROM THE DISPLAY, THE WATER HEATER WILL START AUTOMATICALLY. SUPPLY VOLTAGE CONTACT A QUALIFIED SERVICE TECHNICIAN. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 71: Active Functions Signalling Codes

    › water wastes are limited waiting that the water reaches the right temperature. To activate/deactivate the Fast H2O function please follow the instruction indicated in the paragraph ‘ACTIVE FUNCTIONS SIGNALLING CODES’. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...

  • Page 72: 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. SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS...
  • Page 76 RADIANT BRUCIATORI s.p.a. Via Pantanelli, 164/166 - 61025 Loc. Montelabbate (PU) Tel. +39 0721 9079.1 • fax. +39 0721 9079279 e-mail: info@radiant • Internet: http://www.radiant.it...

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