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  5. Installation, Use And Maintenance Manual

Radiant SFK 55 Installation, Use And Maintenance Manual

Summary of SFK 55

  • Page 1

    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 f...

  • Page 2

    2 sfk 55 - rad - ing - manual - 1512.2_csa_tts summary summary introduction 4 1. Installer section 7 1.1. Installation 8 1.1.1. General installation warnings 8 1.1.2. Water heater location environmental requirements 8 1.1.3. Reference legislation 9 1.1.4. Unpacking 10 1.1.5. Overall dimensions (inch...

  • Page 3

    3 sfk 55 - rad - ing - manual - 1512.2_csa_tts summary 2.2.12. Accessing the water heaters 50 2.2.13. Accessing the electronic board 51 2.2.14. Emptying the domestic system 52 2.2.15. Fault signalling codes 53 2.2.16. Active functions signalling codes 56 2.2.17. Positions of the electrodes 57 2.2.18...

  • Page 4

    4 sfk 55 - rad - ing - manual - 1512.2_csa_tts introduction warning before starting any operation it is mandatory to read this instruction manual, in relation to the activities performed as described in each relevant section. Proper operation and optimal performance of the water heaters are ensured ...

  • Page 5

    5 sfk 55 - rad - ing - manual - 1512.2_csa_tts manufacturer warranty and responsibility the manufacturer’s warranty is provided only through authorized technical support centers, listed for each region on the site www.Radianthydronics.Com, and covers all manufacturing defects at the time of sale. Th...

  • Page 7

    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. 1. Installer sect...

  • Page 8

    8 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1. Installation 1.1.1. General installation warnings 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 ...

  • Page 9

    9 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller water heater, sufficient air openings must be available to provide fresh air when all appliances are operating simultaneously. It is essential that in rooms where the water heater is installed to provide as much air as require...

  • Page 10

    10 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.4. Unpacking warning please unpack the unit just before installing it. The company is not responsible for the damages caused to the unit due to incorrect storage. Warning the packing elements (cardboard box, wooden crate,...

  • Page 11

    11 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.5. Overall dimensions (inch) hydraulic connection kit a water connection kit equipped with water connections and safety valve (see ‘vs’) is shipped loose with each unit. 11.8 6.1 5.3 5.9 19 16 25.2 g sc 2.36" rc 1.50" 7.7...

  • Page 12

    12 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.6. Positioning and clearances to combustible material and service clearances the water heaters must be installed only on a vertical solid wall, able to sustain its weight. This water heaters has been certified to be insta...

  • Page 13

    13 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 4. To make it easier the outlet of the condensate, the water heaters, once it is hung onto the wall, must have the right slope. Please use the lower wall bracket (fig.5); 5. Unscrew the lower bracket screws from the bottom of...

  • Page 14

    14 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 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 installation h e a d l o s s f t w .C . Flow rate ...

  • Page 15

    15 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.9. Water connection danger make sure that the water tubes are not used as grounding system for the electrical plant. There are not suitable for such use. Warning to prevent voiding the warranty and to ensure the proper op...

  • Page 16

    16 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.10. Recirculation mode the tankless water heaters has a built in recirculation system a circulating pump which is designed to provide a controlled flow rate of domestic hot water thus reducing wait times and water waste. ...

  • Page 17

    17 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.11. Piping diagram for basic installation this is not an engineering drawing. It is intended only as a guide and not as a replacement for professionally engineering project drawings. This drawing is not intended to descri...

  • Page 18

    18 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller installation 1.1.12. Condensate drain filling the condensate collection sipon before starting the water heaters you have to fill the condensate collection siphon in order to avoid fuel backup through the siphon. Fill the cond...

  • Page 19

    19 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller condensate neutralizer kit the condensate neutralization system neutralizes the condensate created by the products of combustion. Acid condensate, introduced into the neutralization box, follows a two-step set course. First p...

  • Page 20

    20 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.13. Anti-freeze protection the water heater is protected against freezing using the electronic board design with a function that start the burner and heat the water in the boiler when their water temperature goes below th...

  • Page 21

    21 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.14. Pressure relief valve kit to complete the installation of the water heaters, you must install an approved 3/4”, maximum 150 psi pressure relief valve on the hot water outlet. An hydraulic kit equipped with hydraulic c...

  • Page 22

    22 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.15. Gas connection warning the gas piping must be installed according to all local and state codes, or in absence of local and state codes, with the latest “natural gas and propane installation code”, can/csa-b 149.1 or “...

  • Page 23

    23 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.17. Power supply to power the water heaters connect the electrical cables to the terminal inside the control panel as follows: danger shut off the voltage from the main switch. › remove the water heaters's front casing (r...

  • Page 24

    24 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.18. Optional electrical connections the cables should be inserted inside the water heater using the cable glands ‘p1’ and ‘p2’ placed under the board (see fig. 17). Make a hole on the cable gland, smaller than the cable d...

  • Page 25

    25 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.19. Venting warning in order to ensure proper operation and efficiency of the device you have to connect the water heater fume exhaust fitting to the exhaust and fresh air adapters (loosely supplied in water heaters). It ...

  • Page 26

    26 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller table minimum distance feet mm a- below openable window or door 3* 900* b- below ventilation opening (non mechanical) 3* 900* c- below soffits 1 300 d- below balcony 1 300 e- from adjacent window or door 3* 900* f- from adjac...

  • Page 27

    27 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.20. Types of exhaust systems general introduction the venting installation must conform to the requirements of the authority having jurisdiction or, in the absence of such requirements, to the national fuel gas code, ansi...

  • Page 28

    28 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller i (b) - through the roof lnstallation: through the roof installations can terminate with two separate pipes or with a co-axial terminal. Please refer to figure ‘c’ for installations using co- linear vent with vertical termina...

  • Page 29

    29 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller air intake / flue exhaust Ø 3” (80 mm) adaptors with pp test point (cod.: 65- 00433) these adapters are to be installed on co-linear vent (two separate pipes for exhaust and combustion air), and single exhaust vent (using roo...

  • Page 30

    30 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller iii (a) - kit m&g horizontal co-axial system Ø3/4.9 in (Ø80/125 mm) internal polypropylene duct adjustable at 360°. It allows exhaust and air intake from external wall. Suitable only for condensing unit. It allows exhaust and...

  • Page 31

    31 sfk 55 - rad - ing - manual - 1512.2_csa_tts 1. Installation inst aller 1.1.21. Table 1: allowable vent lengths note: in canada, exhaust vent must be approved to ulc s636 standard. Each 2”/ 3”/ 4”/60mm/80mm 45° elbow equates to 2.5 linear feet to vent pipe. Each 2”/ 3”/ 4”/60mm/80mm 90° short rad...

  • 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

    34 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center 2.1. First start-up 2.1.1. Preliminary operations for first start-up the first start-up operations consist of checking the correct installation, adjustment and operation of the unit. Proceed as follows: › check the inn...

  • Page 35

    35 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center 2.1.2. Water heaters commissioning proceed with water heaters commissioning as follows: › power the water heaters. › open the gas valve. › ignite the unit by pressing the button › open the d.H.W. Taps at the maximum fl...

  • Page 36

    36 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center 2.1.3. Co2 value check and calibration warning the co 2 value should be measured with the casing assembled, while the gas valve could only be adjusted with the casing open. To check and calibrate the co 2 value to mini...

  • Page 37

    37 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center 2.1.4. Accessing and programming the parameters to access the parameters menu and adjust their values, follow the procedure below: 1. Press the button ‘ ’ to select the off mode displayed using the symbol ‘ ’. 2. Hold ...

  • Page 38

    38 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center 4. Use the keys ‘ ’ and ‘ ’ of the domestic circuit to change the value of the parameter. 5. Press the key ‘ ’ to confirm the action and wait for the display to stop blinking, indication of the fact that the adjustment...

  • Page 39

    39 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center 2.1.5. Parameters table parameter description range function p00 selection of the fire rating 0 - 3 0 = 24 kw 1 = 28 kw 2 = 34 kw 3= sfk 55 (55 kw) p01 gas type selection attention: read the instruction in chapter ‘gas...

  • Page 40

    40 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center parameter description range function p05 recirculation differential activation through this parameter you can anticipate the recirculation function, compared to the recirculation set point preset by the end-user, by mo...

  • Page 41

    41 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center parameter description range function p11 execution period of the overheating function through this parameter you can enable and set the duration of the execution period of the overheating function, during which the cir...

  • Page 42

    42 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. First start-up suppor t center parameter description range function p16 differential of the storage tank cycle activation through this parameter you can anticipate the pre-heating function of the storage tank, compared to the d.H.W set point pre-set...

  • Page 43

    43 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2. Maintenance 2.2.6. General maintenance warnings attention all maintenance operations must be performed in compliance with standards and subsequent amendments by qualified staff and authorized by radiant bruciatori sp...

  • Page 44

    44 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.7. Technical data model sfk 55 gas category natural gas (gas a) / propane (gas e) maximum nominal heat capacity btu/hr (kw) 187667 (55) minimum nominal heat capacity btu/hr (kw) 18766 (5.5) noise factor db 52.4 combus...

  • Page 45

    45 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center max discharge length Ø2”/2” (Ø50/50 mm) - hor split with frequency 270 hz (1) ft (m) 41.01 (12.5) max discharge length Ø3”/3” (Ø80/80 mm) - hor split ft (m) 85.30 (26) electrical specifications voltage-frequency v/hz 120/...

  • Page 46

    46 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.8. Technical assembly key 1. Exhaust safety high limit switch 2. Heat exchanger 3. Burner unit 4. Ionization electrode 5. Combustion blower 6. 3-way valve - recirculation mode 7. Gas valve 8. Water temperature high li...

  • Page 47

    47 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.9. Internal piping schematic key c. Domestic hot water outlet f. Cold water inlet rc. Recirculation mode g. Gas inlet sc. Condensate drain 1. Exhaust safety high limit switch 2. Heat exchanger 3. Burner unit 4. Combus...

  • Page 48

    48 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.10. Operational schemes fi ll in g l o o p c .W s u p p ly d r a in c o n d en sa te g as s u p p ly h .W s u p p ly c .W s u p p ly d r a in c o n d en sa te g as s u p p ly h .W s u p p ly c .W s u p p ly d r a in c...

  • Page 49

    49 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.11. Wiring diagram er: ionization electrode ts: water temperature high limit switch mp: panel terminal bl: blue ea: spark electrode pacq:water pressure transducer l: line br: brown c: circulator mf: flow switch n: neu...

  • Page 50

    50 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.12. Accessing the water heaters for the majority of the control and maintenance operations you have to remove one or more panels of the casing. The side panels can be removed only after removing the front panel. To in...

  • Page 51

    51 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.13. Accessing the electronic board in order ot intervene 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 o...

  • Page 52

    52 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 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; › after comple...

  • Page 53

    53 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.15. 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...

  • Page 54

    54 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center code fault possible cause solution reset e02 water temp. High limit switch 203 °f (95°c) thermostat cable disconnected; check the wiring: manual reset (press the reset ‘ ’ key). Broken high limit. Replace it. E03 exhaust ...

  • Page 55

    55 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center code fault possible cause solution reset e21 general internal board error incorrect signal recognition by the modulation board micro-processor. If the modulation board does not reset the error automatically, replace it. A...

  • Page 56

    56 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.16. Active functions signalling codes code function description f09 d.H.W circuit anti-freeze when the sanitary sensor detects a temperature below 41 °f (5°c), the pump runs and the burner lifts up the temperature to ...

  • Page 57

    57 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.17. Positions 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 ÷0.3 9" (8÷ 10m m) 0.39÷ 0.47" (10÷1 2mm) detection el...

  • Page 58

    58 sfk 55 - rad - ing - manual - 1512.2_csa_tts 2. Maintenance suppor t center 2.2.18. Conversion to a different gas type attention make sure that the gas induction tube is suitable for the new type of fuel with which the water heaters is supplied. For conversion proceed as follows: › loosen the two...

  • Page 59

    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. 1. User section 3. User section.

  • Page 60

    60 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user 3.1. Use 3.1.1. General use warnings warning before starting the water heaters the user must make sure that the first start-up certificate has the stamp of the technical support center proving the testing and the first start-up of the water...

  • Page 61

    61 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user use.

  • 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

    65 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user 3.1.2. Control panel key 1. Recirculation mode temperature adjustment keys. 2. Info key: press once to view the temperatures and other information (see 5.1.4 ‘info menu display) - hold for 5 seconds, in off operating mode, to view the last ...

  • Page 66

    66 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user 3.1.3. Display icons key 1. Indication of parameter number or displayed info code / recirculation mode active 2. Parameters programming function active 3. Recirculation pump active 4. Temperature display / set point / parameter value 5. Fla...

  • Page 67

    67 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user 3.1.4. Info menu display data to view the water heaters data from info menu 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. Use key...

  • Page 68

    68 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user 3.1.5. Start-up before starting the water heaters make sure that it is powered and that the gas tap below the machine is open. To start the water heaters press the function key ‘’ ”. 3.1.6. Operating mode domestic hot water temperature adju...

  • Page 69

    69 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user 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 e01 fla...

  • Page 70

    70 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user code icon fault intervention e22 parameters programming request 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 cont...

  • Page 71

    71 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user 3.1.9. Active functions signalling codes code function intervention f09 d.H.W circuit anti-freeze wait until the operation is completed f28 anti-legionella function wait until the operation is completed fh fast h2o you can activate/ d e a c...

  • Page 72

    72 sfk 55 - rad - ing - manual - 1512.2_csa_tts 3. Use user 3.1.11. Maintenance to ensure proper water heaters safety and efficiency, please contact radiant technical support network to check the unit every year. An accurate maintenance should improve system management. 3.1.12. Cover cleaning clean ...

  • 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.