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Radiant SFK 55, Installation, Use And Maintenance Manual

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SFK 55 - RAD - ING - Manual - 1512.2_CSA_TTS

Installation, Use 
and Maintenance Manual for 
model

 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

Summary of Contents for SFK 55

Page 1: ...her 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 m...

Page 2: ... 1 1 13 ANTI FREEZE PROTECTION 20 1 1 14 PRESSURE RELIEF VALVE KIT 21 1 1 15 GAS CONNECTION 22 1 1 16 ELECTRICAL CONNECTION 22 1 1 17 POWER SUPPLY 23 1 1 18 OPTIONAL ELECTRICAL CONNECTIONS 24 1 1 19 VENTING 25 1 1 20 TYPES OF EXHAUST SYSTEMS 27 1 1 21 TABLE 1 ALLOWABLE VENT LENGTHS 31 2 SUPPORT CENTER SECTION 33 2 1 FIRST START UP 34 2 1 1 PRELIMINARY OPERATIONS FOR FIRST START UP 34 2 1 2 WATER H...

Page 3: ... THE ELECTRODES 57 2 2 18 CONVERSION TO A DIFFERENT GAS TYPE 58 3 USER SECTION 59 3 1 USE 60 3 1 1 GENERAL USE WARNINGS 60 3 1 2 CONTROL PANEL 65 3 1 3 DISPLAY ICONS 66 3 1 4 INFO MENU DISPLAY DATA 67 3 1 5 START UP 68 3 1 6 OPERATING MODE 68 3 1 7 INFORMATIONAL NOTE ON ANTI FREEZE FUNCTION 68 3 1 8 FAULT SIGNALLING CODES 69 3 1 9 ACTIVE FUNCTIONS SIGNALLING CODES 71 3 1 10 FAST H2O FUNCTION 71 3 ...

Page 4: ...to which the instructions in that section address The titles are differentiated by thickness and size in accordance with their hierarchy 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 Unit this term is used referring to the water heaters DANGER It identifies in...

Page 5: ...idity its duration the obligations and the exemptions please consult the First start up certificate attached to this manual The manufacturer reserves The right to modify the tools and relative technical documentation without any obligation to third parties The material and intellectual ownership of this manual and forbids its distribution and duplication even partial without prior written authoriz...

Page 6: ......

Page 7: ...d 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 1 INSTALLER SECTION 1 INSTALLER SECTION ...

Page 8: ...and a water supply network appropriate for its power and performance The location must be properly vented through an air vent The air vent must be placed at floor level to prevent it from being obstructed protected by a grid that does not hamper airflow The unit is suitable for use with the type of gas available by checking the water heater data plate placed on the inner side of the front casing M...

Page 9: ...mm2 every kW 1 in2 for every 1000 Btu hr of heat input with a minimum of 100 cm2 15 5 in2 2 Where required by code or when required for additional opening must be provided at the highest practical elevation With a hermetically sealed combustion chamber and air supply circuit from outdoors the water heater may be installed in any room in the home Keep water heater area clear and free from combustib...

Page 10: ...board box wooden crate nails fasteners plastic bags expanded polystyrene etc are dangerous and must be kept out of the reach of children They should be discarded properly To unpack the water heaters proceed as follows Place the packed water heaters on the floor fig 1 A and remove the fasteners opening the four flaps of the box outwards Turn the water heater at 90 holding it with your hand fig 1 B ...

Page 11: ...unit 11 8 6 1 5 3 5 9 19 16 25 2 G SC 2 36 RC 1 50 7 76 3 31 C F 16 14 107mm 52mm 197mm 410mm 38mm 84mm 60mm 8 31 9 61 211mm 244mm 2 05 4 21 VS C F NOTE THESE ARE CONNECTION SIZESBEFOREVALVEKIT CONNECTION CONVERSION KIT IS INSTALLED fig 2 C HOT WATER OUTLET Ø3 4 BST F COLD WATER INLET Ø3 4 BST RC GAS Ø3 4 NPT G RECIRCULATION MODE Ø1 2 NPT SC CONDENSATE DRAIN Ø0 8 C HOT WATER OUTLET Ø3 4 NPT F COLD...

Page 12: ...installation the water heater is provided with a jig that allows setting in advance the connections to the tubes providing the ablility of connecting the water heaters to completed masonry structure 1 1 7 ATTACHING THE WATER HEATERS TO WALL To position the unit proceed as follows 1 Trace a line using a spirit level min length 25 cm 10 on the installation wall fig A 2 Mark the two points to insert ...

Page 13: ...lease use the lower wall bracket fig 5 5 Unscrew the lower bracket screws from the bottom of the water heater Place the lower bracket into position and loosely screw the lower bracket fig 5 Slide the lower bracket fig 6 in order to separate the water heater from the wall from 2 3 fig 7 6 Perform the connections 2 3 LOWER WALL BRACKET LOWER WALL BRACKET LOWER WALL BRACKET fig 5 fig 6 fig 7 ...

Page 14: ...CSA_TTS 1 INSTALLATION INSTALLER 1 1 8 CIRCULATOR PERFORMANCE CURVE III Circulator priority maximum speed Appliance Loss H ft Q US gpm 0 2 4 6 8 10 22 20 18 16 14 12 10 8 6 4 2 0 WILO STAR 8 BS7 HEAD LOSS ft W C FLOW RATE US gpm fig 8 ...

Page 15: ...ll diameters or elbows with small radius and significant cut off of the passage sections DOMESTIC CIRCUIT In order to prevent limestone build up and damages to the domestic water heat exchanger the hardness of the domestic supply water should not exceed 15 dH However please check the characteristics of the water used and install suitable treating devices The pressure of the cold inlet water should...

Page 16: ... the setting of the return temperature by pressing and figure 11 The activation of the pump is displayed the control panel as indicated by the pump symbol To detect the return temperature the system activates the pump for 20 seconds every 10 minutes If the temperature detected by the recirculation sensor is lower than required the pump activates and the unit operates at the minimum fire rating Whe...

Page 17: ...ing drawing It is intended only as a guide and not as a replacement for professionally engineering project drawings 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 ...

Page 18: ...ount of condensate during operation This condensation has an acidic pH of 3 5 Follow all local codes and regulations when disposing of condensate from the water heaters The project engineer should consider the possibility of installing systems to eliminate the acidic condensation according to system power and buildings use The system should be designed to avoid the condensate freezing Before the w...

Page 19: ...cidity of the condensate can be controlled through the use of appropriate tools for the determination of Ph such as the litmus paper Neutralized condensate can then be routed to the drainage system Maintenance The pH value of the condensate after the neutralizer must be in between 5 5 9 5 Every six months you need to determine the pH of the condensate treated in the neutralizer Litmus paper or a d...

Page 20: ...ting the water heater up to an external temperature of 14 F 10 C The device starts when the hot water temperature goes below 41 F 5 C automatically starting the burner until the water reaches the temperature of 59 F 15 C The system starts even if display appears OFF as long as the water heater is connected to the power 120 V and gas supply For long periods of standby please empty the water heater ...

Page 21: ... in property damage personal injury or death Follow all instructions and guidelines when installing the pressure relief valve The valve should be installed only by a licensed professional When installing the valve follow these guidelines Direct the discharge piping of the pressure relief valve so that hot water will not splash on anyone or any nearby equipment Attach the discharge line to the pres...

Page 22: ...on the data plate 1 1 16 ELECTRICAL CONNECTION DANGER The equipment is electrically safe only if it is properly connected to an efficient grounding system performed in compliance with the safety standards in force National Electrical Code ANSI NFPA 70 and or the Canadian Electrical Code Part I CSA C22 1 Electrical Code You should check this essential safety requirement If in doubt request an accur...

Page 23: ... HEATERS loosen the two screws and remove the plate A see fig 1 after removing the plate connect the electrical cables to terminal B see fig 16 the yellow green cable to the terminal marked with grounding symbol the white cable to the terminal marked with N 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 pr...

Page 24: ... pass through To wire the optional below TP DOMESTIC HOT WATER PRE HEATING DEACTIVATION TIMER use the terminal placed inside the control panel as follows DANGER Cut off the voltage from the main switch remove the water heaters s front casing refer to 2 2 13 ACCESSING THE WATER HEATERS unscrew the screws and remove plate A see fig 18 After removing the plate connect the electrical cables to termina...

Page 25: ...he internal condensate trap of the appliance Refer to section 1 1 18 All combustion air intake runs where possible should be sloped in a manner to avoid rain water dust or foreign objects from entering the appliance Refer to section 1 1 18 In case of horizontal polypropylene co axial system installation properly orientate the horizontal co axial terminal in relation to the slopes inside the exhaus...

Page 26: ...ocated on public property c within 6 ft 1 8 m of a mechanical air supply inlet to any building d abovearegulatorwithin3ft 900mm horizontally of the vertical centerline of the regulator vent outlet to a maximum vertical distance of 15 ft 4 5 m e within 3 ft 900 mm of any gas service regulator vent outlet f less than 1 ft 300 mm above grade level plus expected snow level g within the following dista...

Page 27: ...ter from entering into the air box of the water heater Provide means for drainage of moisture and water on all vertical air intake runs and where necessary Traps if used should have pipe slopes not less than 1 4 in ft 21 mm m downwards to the trap I CO LINEAR VENT FRESH AIR AND EXHAUST The Gas Fired wall mounted hot water heaters can be installed with two separate pipes The two separate pipes cons...

Page 28: ...refer to Table 1 Allowable vent lenghts for maximum vent run Single vent installations can be either be installed through the wall or through the roof II a THROUGH THE WALL INSTALLATION Please refer to figure E for through the wall single vent installations II b THROUGH THE ROOF INSTALLATION Please refer to figure F for through the roof single vent installations 12 minimum 12 minimum Roof Exhaust ...

Page 29: ...ne or 3 schedule 40 PVC or CPVC pipe Ensure that the adapters are installed correctly into the correct locations as per the attached figure 19 Installation instructions Remove the air intake cover plate Clean the inspection collar surface and the area of the air intake hole Stick the appropriate neoprene gaskets onto the underside of the mounting flange of the adapters Pay attention to aligning th...

Page 30: ...mbustion through co axial ducts the external one for air intake the plastic internal one for exhaust PLEASE SEE THE MAXIMUM EXHAUST LENGTH IN THE TABLE 1 IN 1 1 19 ALLOWABLE VENT LENGTHS The maximum exhaust length or linear reference length can be calculated by summing the length of the linear tube When terminating horizontally install an elbow at the end of the terminal For area where snow is a c...

Page 31: ... or Propane Polypropylene Polypropylene Horizontal Co axial vent S636 Polypropylene 125mm 80mm 3 3 ft 1 m elbow 16 4 ft 5 m elbow Natural or Propane Polypropylene Polypropylene Horizontal Vertical Co linear Vent 2 Separate pipes 2 60mm 3 3 ft 1 m 41 ft 12 5 m Natural or Propane PVC CPVC Polypropylene PVC CPVC Poly propylene ABS Horizontal Vertical Co linear Vent 2 Separate pipes 3 80 mm 3 3 ft 1 m...

Page 32: ......

Page 33: ...All operations described below relative to first start up maintenance and replacement and should be performed only by qualified service technician 1 SUPPORT CENTER SECTION 2 SUPPORT CENTER SECTION ...

Page 34: ... wiring is correct make sure that the grounding system works properly make sure that the combustion air circulation exhaust and condensate discharge take place properly in compliance with the Local and National Laws and Standards in force make sure that the venting and their connections comply with the requirements of the Local and National Laws and Standards make sure that the D H W system gate v...

Page 35: ...ake sure all the air is flushed off by means of the drain valve located within the unit A figure 22 and thru the air separator plug B figure 22 if the flame is not sensed 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 air inside the gas lines Before repeating the operation wait at least 5 ...

Page 36: ...and clockwise if you want to decrease it Once the adjustment has been completed tighten the protection screw A fig 24 on the Off Set adjuster Exit parameter P06 following the procedure described in 2 1 4 Parameters accessing and programming FOR MAXIMUM POWER 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 pro...

Page 37: ...u and adjust their values follow the procedure below 1 Press the button to select the OFF mode displayed using the symbol 2 Hold at the same time the keys and until on the display appears the symbol with the message P00 and release the keys and 3 Use the keys and of the symbol recirculation to select the parameter to be edited fig 25 fig 26 fig 27 ...

Page 38: ...rcuit tochangethevalueof theparameter 5 Press the key to confirm the action and wait for the display to stop blinking indication of the fact that the adjustment was implemented 6 To exit the parameters menu hold at the same time the keys and and wait for the symbol to appear on the display fig 28 fig 29 fig 30 ...

Page 39: ...CTION 0 1 0 ISTANTANEOUS 1 STORAGE TANKLESS P03 POST CIRCULATION TIMING RECIRCULATION MODE NON ACTIVE THROUGH THIS PARAMETER YOU CAN SET THE PUMP OPERATION DURATION ON THE DOMESTIC CIRCUIT AFTER THE TAP IS CLOSED 0 90 VALUE EXPRESSED IN MULTIPLES OF 5 SECONDS FACTORY SET AT 12 X 5 60 SECONDS P04 POST CIRCULATION TIMING RECIRCULATION MODE ACTIVE THROUGH THIS PARAMETER YOU CAN SET THE PUMP OPERATION...

Page 40: ...ESSED IN HERTZ 1HZ 30 RPM P07 FAN MAXIMUM SPEED ADJUSTMENT THROUGH THIS PARAMETER YOU CAN SET THE MAXIMUM FAN SPEED CORRESPONDING TO THE MAXIMUM 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 43 270 VALUE EXPRESSED IN HERTZ 1HZ 30 RPM P08 STARTING STEP ADJUSTMENT THROUGH THIS PARAMETER YOU CAN SET THE FAN SPEED DURING THE STA...

Page 41: ...INUTES P13 MAXIMUM DOMESTIC SETPOINT THROUGH THIS PARAMETER YOU CAN SET THE USER ADJUSTABLE MAXIMUM DOMESTIC TEMPERATURE 50 67 VALUE EXPRESSED IN C FACTORY SET AT 60 C P14 MINIMUM DOMESTIC SETPOINT THROUGH THIS PARAMETER YOU CAN SET THE USER ADJUSTABLE MINIMUM DOMESTIC TEMPERATURE 35 45 VALUE EXPRESSED IN C FACTORY SET AT 40 C P15 ANTI LEGIONELLA FUNCTION FOR STORAGE TANK THROUGH THIS PARAMETER YO...

Page 42: ... 1 L MIN P18 ADDITIONAL POST VENTILATION TIMING THROUGH THIS PARAMETER YOU CAN SET A PERIOD OF OPERATION ADDITIONAL TO THE 20 STANDARD SECONDS OF THE FAN AFTER THE BURNER SHUTDOWN 20 120 VALUE EXPRESSED IN SECONDS FACTORY SET AT 30 SECONDS P19 ANTI WATER HAMMER SELECTION ONCE THIS FUNCTION IS ENABLED THE D H W CONTACT WILL BE DELAYED FOR A TIME EQUAL TO THE SET VALUE 0 20 0 DISABLED FACTORY SET AT...

Page 43: ...ON remove and clean the burner from oxidation check the integrity and the position of the sealed chamber sealing gasket check the primary exchanger if necessary clean it check the operation of the gas burner start up and safety systems If necessary remove and clean the flame detection and start up electrodes from incrustations paying attention to respect the distances with respect to the burner if...

Page 44: ... minimum heat capacity Gas E g s 2 20 Domestic circuit Adjustable domestic temperature F C 104 140 40 60 Maximum pressure for domestic circuit PSI bar 150 10 34 Minimum pressure for domestic circuit PSI bar 10 0 69 Specific capacity in continuous service ΔT 54 F 30 C GPM litres min 7 08 26 8 Specific capacity in continuous service ΔT 77 F 43 C GPM litres min 5 1 19 3 Minimum flow rate GPM litres m...

Page 45: ...n speed Natural Gas Gas A Hz 255 D H W Min fan speed Natural Gas Gas A Hz 46 Fuel consumption Natural Gas Gas A ft3 h m3 h 183 7 5 20 Nominal supply pressure Propane Gas E inWC mbar 11 27 4 D H W Max fan speed Propane Gas E Hz 251 D H W Min fan speed Propane Gas E Hz 47 Fuel consumption Propane Gas E lb h kg h 71 1 2 03 1 NOTE The frequency would change based on vent length In particular anything ...

Page 46: ...BURNER UNIT 4 IONIZATION ELECTRODE 5 COMBUSTION BLOWER 6 3 WAY VALVE RECIRCULATION MODE 7 GAS VALVE 8 WATER TEMPERATURE HIGH LIMIT SWITCH 9 AIR ELIMINATOR 10 SPARK ELECTRODE 11 IGNITION TRANSFORMER 12 AIR SUCTION TUBE 13 PROPORTIONAL VENTURI 14 CIRCULATOR 15 CONDENSATE COLLECTION SIPHON 16 FLOW SWITCH 1 2 3 4 5 6 7 8 9 10 11 9 13 14 15 16 12 11 fig 31 ...

Page 47: ...EXCHANGER 3 BURNER UNIT 4 COMBUSTION BLOWER 5 RECIRCULATION PROBE 6 3 WAY VALVE RECIRCULATION MODE 7 PRESSURE RELEIF VALVE 8 AIR ELIMINATOR 9 DOMESTIC TEMPERATURE PROBE OUTLET 10 WATER TEMPERATURE HIGH LIMIT SWITCH 11 AIR SUCTION TUBE 12 PROPORTIONAL VENTURI 13 DOMESTIC TEMPERATURE PROBE INLET 14 CHECK VALVE 15 CONDENSATE COLLECTION SIPHON 16 CIRCULATOR 17 FLOW SWITCH 18 GAS VALVE 1 8 9 10 14 13 2...

Page 48: ...S FILLING LOOP C W SUPPLY DRAIN CONDENSATE GAS SUPPLY H W SUPPLY C W SUPPLY DRAIN CONDENSATE GAS SUPPLY H W SUPPLY C W SUPPLY DRAIN CONDENSATE GAS SUPPLY H W SUPPLY DRAW MODE RECIRCULATION NON ACTIVE POST CIRCULATION MODE RECIRCULATION NON ACTIVE RECIRCULATION MODE POST CIRCULATION ACTIVE fig 33 ...

Page 49: ... BLACK GY GREY SRC RECIRCULATION TEMPERATURE PROBE PA AIR PRESSURE SWITCH RC DOMESTIC HOT WATER PRE HEATING DEACTIVATION TIMER SF CONDENSATE COLLECTION SIPHON 2 1 3 PA EV ER TS TF SI SS MP 11 10 9 8 7 12 13 14 15 16 17 M12 M9 M7 M5 M2 M4 M8 M10 M15 M16 1 2 3 4 57 61 60 59 58 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 62 63 64 65 66 67 68 51 52 53 54 55 56 5 6 M13 M14 L N Rc Rc 24V HS...

Page 50: ...of the water heaters proceed as follows remove the fastening screws 1 fig 35 placed on the lower edge of the front panel grab the front panel from the bottom and remove it pulling it towards you A and then upwards B see fig 35 To intervene on the side panels of the water heaters proceed as follows remove the fastening screws 2 fig 35 placed on the front edge of the side panel grab the bottom of th...

Page 51: ...ene on the wirings of the control panel please proceed as follows DANGER Shut off the voltage from the main switch Grab at the same time the support brackets of the control panel fig 36 loosening them and turn the panel downwards unscrew the four fastening screws 1 fig 36 remove the crankcase pulling it upwards 1 1 1 1 fig 36 ...

Page 52: ...TYING 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 after completing all operations close the discharge tap and all previously opened water taps ...

Page 53: ...S PRESSURE CHECK THE GAS SUPPLY NETWORK MASS OR BROKEN START UP ELECTRODE REPLACE IT GAS VALVE NOT OPENING REPLACE IT SLOW LIGHT UP TOO LOW ADJUSTMENT ADJUST MINIMUM OR SLOW LIGHT UP VALVE INFEED PRESSURE TOO HIGH ONLY FOR GPL WATER HEATERS CHECK THE MAXIMUM ADJUSTMENT PRESSURE WITH FLAME LIGHT UP NEUTRAL AND PHASE INVERTED POWER SUPPLY PROPERLY CONNECT THE POWER SUPPLY IONIZATION ELECTRODE BROKEN...

Page 54: ...KEN OR INCORRECTLY CALIBRATED PROBE RESISTANCE VALUE 10 KOHM AT 77 F 25 C NTC REPLACE IT AUTOMATIC DISCONNECTED OR WET PROBE CONNECTOR CHECK THE WIRING E06 DOMESTIC INLET TEMP PROBE BROKEN OR INCORRECTLY CALIBRATED PROBE RESISTANCE VALUE 10 KOHM AT 77 F 25 C NTC REPLACE IT AUTOMATIC DISCONNECTED OR WET PROBE CONNECTOR CHECK THE WIRING E15 RECIRCULATION TEMP PROBE BROKEN OR INCORRECTLY CALIBRATED P...

Page 55: ... R S P R O G R A M M I N G REQUEST MICRO PROCESSOR MEMORY LOSS PARAMETERS REPROGRAMMING MANUAL RESET CUT OFF THE TENSION E35 RESIDUAL FLAME FAULTY IONIZATION ELECTRODE CLEAN IT OR REPLACE IT MANUAL RESET PRESS THE RESET KEY FAULTY IONIZATION ELECTRODE CABLE REPLACE IT FAULTY MODULATION BOARD REPLACE IT E40 SUPPLY VOLTAGE SUPPLY VOLTAGE OFF THE OPERATION RANGE 80 VOLTS CHECK THE POWER SUPPLY NETWOR...

Page 56: ...IONELLA THE FUNCTION IS ACTIVATED FOR THE FIRST TIME 60 MINUTES AFTER THAT THE WATER HEATER HAS BEEN ELECTRICALLY POWERED STARTING FROM THAT MOMENT IT COMES AUTOMATICALLY INTO OPERATION EVERY 7 DAYS BRINGING THE HOT WATER TEMPERATURE OF THE STORAGE CYLINDER UP TO 140 F 60 C THIS FUNCTION IS ENABLED INDEPENDENTLY FROM THE CONTACT TO THE CYLINDER CLOCK PROVIDING THAT THE RELATIVE PARAMETER P15 IS EN...

Page 57: ...TIONS OF THE ELECTRODES If the water heaters does not restart check the positions of the electrodes especially the ignition electrode 0 16 3mm 0 31 0 39 8 10mm 0 39 0 47 10 12mm DETECTION ELECTRODE LIGHT UP ELECTRODE LIGHT UP ELECTRODE DETECTION ELECTRODE LIGHT UP ELECTRODE fig 37 ...

Page 58: ...wn in figure 39 remove the two screws 3 fig 40 and apply pressure on the rear side of venturi C fig 40 replace the venturi with the one suitable for the type of supply gas cod 30 00230 for Gas A cod 30 00229 for Gas E and remount the components following the demounting operations in reverse making sure that gasket G is re assembled as shown in fig 38 set the water heater to operate with the new ty...

Page 59: ...n 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 1 USER SECTION 3 USER SECTION ...

Page 60: ...cal sensory or mental capacities or without suitable knowledge or experience unless they are instructed on the unit use or monitored by a person responsible for their safety DANGER DO NOT obstruct the air vents of the location in which the gas unit is installed to prevent the formation of toxic explosive mixes DANGER If you sense a gas odor in the location in which the water heater is installed pr...

Page 61: ...61 SFK 55 RAD ING Manual 1512 2_CSA_TTS 3 USE USER ...

Page 62: ...62 SFK 55 RAD ING Manual 1512 2_CSA_TTS 3 USE USER ...

Page 63: ...63 SFK 55 RAD ING Manual 1512 2_CSA_TTS 3 USE USER ...

Page 64: ...64 SFK 55 RAD ING Manual 1512 2_CSA_TTS 3 USE USER ...

Page 65: ... INFO MENU DISPLAY HOLD FOR 5 SECONDS IN OFF OPERATING MODE TO VIEW THE LAST 5 FAULTS 3 OPERATING MODE SELECTION KEY SUMMER ONLY WINTER ONLY SUMMER WINTER OFF 4 RESET KEY FAULTS RESET CHIMNEY SWEEP FUNCTION ACTIVATION HOLD FOR 7 SECONDS 5 DOMESTIC HOT WATER TEMPERATURE ADJUSTMENT KEY HOLD THE KEYS AT THE SAME TIME FOR 5 SECONDS TO ACTIVATE DISPLAY BACK LIGHT FOR 10 MINUTES 6 DISPLAY 5 1 6 2 3 4 fi...

Page 66: ...TION ACTIVE 3 RECIRCULATION PUMP ACTIVE 4 TEMPERATURE DISPLAY SET POINT PARAMETER VALUE 5 FLAME PRESENT SIGNALLING IT ALSO INDICATES ON 3 PERCENTAGE LEVELS THE MODULATING POWER LEVEL OF THE WATER HEATER fig 43 6 OPERATION IN DOMESTIC MODE ENABLED 7 ERROR DISPLAY THAT CAN BE RESET 8 OFF OPERATING MODE 9 ERROR DISPLAY THAT CAN NOT BE RESET 3 4 5 6 7 8 9 1 2 33 33 66 66 100 fig 42 fig 43 ...

Page 67: ...the left side of the screen and its relative value will be displayed on the centre of the screen Use keys and of the symbol RECIRCULATION to scroll through the list of displayed data To exit display mode press the INFO key LIST OF DISPLAYED DATA INFO CODE ICON DESCRIPTION d0 COLD CIRCUIT INLET PROBE TEMPERATURE d1 HOT WATER CAPACITY d2 FAN SPEED d4 RECIRCULATION PROBE TEMPERATURE ...

Page 68: ...remain active To switch the water heaters to OFF operating mode press the function key the symbol will appear fixed on the display indicating that the function is enabled If the water heaters was previously running it will be turned off and the post ventilation and post circulation functions will be enabled If you have to deactivate the water heaters for a long period of time proceed leave the wat...

Page 69: ... 95 C PRESS THE RESET 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 IF THE ERROR PERSISTS CONTACT A QUALIFIED SERVICE TECHNICIAN E03 EXHAUST SAFETY HIGH LIMIT SWITCH 102 C CONTACT A QUALIFIED SERVICE TECHNICIAN E05 DOMESTIC INLET TEMP PROBE CONTACT A QUALIFIED SERVICE TECHNICIAN E06 DOMESTIC INLET TEMP...

Page 70: ...IT AS SOON AS THE ERROR CODE DISAPPEARS THE WATER HEATER WILL RESTART AUTOMATICALLY IF THE ERROR PERSISTS CONTACT A QUALIFIED SERVICE TECHNICIAN E35 RESIDUAL FLAME PRESS THE RESET 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 E40 SUPPLY VOLTAGE CONTACT A QUALIFIED SERVICE TECHNICIAN ...

Page 71: ... RECIRCULATION 3 1 10 FAST H2O FUNCTION The Fast H2O function keeps a constant temperature in the DHW circuit within the water heater according to the temperature set by the user The Fast H2O function offers three advantages the hot water is immediately supplied at the requested temperature unnecessary delays are avoided by increasing the comfort of the final user water wastes are limited waiting ...

Page 72: ...cloth and mild soap WARNING DO NOT use abrasive or powder detergents as they might damage the plastic cover and control elements 3 1 13 DISPOSAL The water heaters and all its accessories must be differentiated suitably disposed of in accordance with the standards in force The use of the symbol WEEE Waste Electrical and Electronic Equipment shows that this product can not be dismantled as domestic ...

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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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