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Radiant RKA 25 Instruction Manual

Manual is about: Premix condensing boiler with storage cylinder

Summary of RKA 25

  • Page 1

    Sedbuk band a gas council number: 47-651-21 installation, operating, commissioning and maintenance instructions. Ce 0694 tg05a095.A0306 documentazione tecnica radiant bruciatori s.P.A. Montelabbate (pu) italy english instruction manual for models rka 25 premix condensing boiler with storage cylinder.

  • Page 3

    Contents 1. General information 1.1 general installation information page 1 1.2 product conformity page 3 2. Technical characteristics 2.1 technical data page 4 2.2 dimensions page 5 2.3 internal parts of the boiler page 6 2.4 water circuit page 7 2.5 circulation pump head graph page 8 2.6 printed c...

  • Page 4

    Contents 5. Commissioning the appliance (authorised personnel) 5.1 parameter table page 34 5.2 parameter programming - regulating the gas pressure page 35 5.3 gas data page 40 5.4 regulating the stepped ignition sequence page 41 5.5 converting the boiler to a different gas type page 42 6. Servicing ...

  • Page 5: 1. General Instructions

    General information tg05a095.A0306 1 1. General instructions 1.1 general warnings professionally qualified personnel in accordance with current laws and standards and in line with the manufacturer’s instructions must install the appliance. To check for authorised qualified engineers please contact c...

  • Page 6

    General information tg05a095.A0306 2 • should there be a smell of gas present in the room where the appliance is installed, do not attempt to activate any electric switches, telephones or any other equipment that may cause sparks. Open doors and windows immediately to create a current of air and ven...

  • Page 7

    General information tg05a095.A0306 3 1.2 product conformity radiant bruciatori s.P.A. Declare that all its products are manufactured to a high specification and in compliance with the relevant standards. All radiant boilers are ce certified and possess technical and functional characteristics that c...

  • Page 8: 2. Technical Characteristics

    Technical characteristics condensing boiloes with storage - tg05a095.A0306 4 2. Technical characteristics 2.1 technical data appliance model rka 25 technical data ce certification no. N° 0694bn3485 flue category (uni10642) c13, c33, c43, c53, c83 heat input max kw 25 heat input min kw 9 heat output ...

  • Page 9

    Technical characteristics condensing boiloes with storage - tg05a095.A0306 5 2.2 dimensions mod. Rka 25 hr heating return connection Ø3/4” hf heating flow connection Ø3/4” g gas connection Ø1/2” cwi cold water connection Ø1/2” hwo hot water connection Ø1/2” sc condensate drain - 45 0 53 95 164 225 4...

  • Page 10

    Technical characteristics condensing boiloes with storage - tg05a095.A0306 6 2.3 internal parts of the boiler mod. Rka 25 legend 1. Heating sensor 2. Condensing exchanger 3. Heating safety thermostat 4. Ignition electrode 5. Frame 6. Flame ionisation electrode 7. Fan 8. Mixing group 9. Electronic ig...

  • Page 11

    Technical characteristics condensing boiloes with storage - tg05a095.A0306 7 2.4 water circuit legend 1. Primary condensing heat exchanger 2. Premix burner unit (gas manifold + burner) 3. Condensate drain pipe 4. Ignition electrode 5. Sensor electrode 6. Electric fan 7. Venturi 8. Electronic ignitio...

  • Page 12

    Technical characteristics condensing boiloes with storage - tg05a095.A0306 8 2.5 circulation pump head/flow graph head available for the system with bypass 50% open head available for the system at maximum speed iii 1400 1200 1600 70 50 60 40 1000 800 400 600 30 10 20 0 0 head (kp a) flow l/h 200 ii...

  • Page 13

    Technical characteristics condensing boiloes with storage - tg05a095.A0306 9 2.6 diagnocode ® series sm 20015 printed circuit board technical characteristics part number 76655la m5 m3 m6 m7 m11 m13 m4 m2 m1 m12 m10 m8 m9 the new circuit boards greatly simplify the adjustment of the operating paramet...

  • Page 14

    Installation instructions condensing boiloes with storage - tg05a095.A0306 10 2.7 control panel legend 1. On/off switch 2. Heating temperature control knob 3. D.H.W temperature control knob (only for model rkr 25). 4. Outside temperature display button (only with optional outdoor sensor fitted) 5. S...

  • Page 15: 3. Installing The Appliance

    Installation instructions condensing boiloes with storage - tg05a095.A0306 11 3. Installing the appliance 3.1 reference standard the following list is the full lists of codes of practice and british standards that engineers should work to in the uk. It is law in the uk that a competent person instal...

  • Page 16

    Installation instructions condensing boiloes with storage - tg05a095.A0306 12 b c a 3.2 unpacking ■ the materials (cardboard) used for packing the appliance are fully recyclable. ■ it is recommended that the packing material is only removed prior to installing the boiler. The manufacturer will not b...

  • Page 17

    Installation instructions condensing boiloes with storage - tg05a095.A0306 13 minimum distances in mm h a x l y model rka 25 x y l h 1000 490 60 60 b a b 200 300 3.3 installing the boiler ■ the appliance must be installed exclusively on a flat vertical wall capable of supporting its weight. ■ when m...

  • Page 18

    Installation instructions condensing boiloes with storage - tg05a095.A0306 14 hr hwo cwi g hf hr hwo g cwi hf 75.5 102 70 80 78 84.5 3.4 water connections in order to safeguard the heat exchanger and circulation pump, it is recommended that the system is hot- flushed to remove any impurities (especi...

  • Page 19

    Installation instructions condensing boiloes with storage - tg05a095.A0306 15 3.5 central heating circuit the boiler is designed for use in a sealed central heating system in accordance with the requirements of bs 5449 and bs 6798. The system should be designed to operate with flow temperatures of u...

  • Page 20

    Installation instructions condensing boiloes with storage - tg05a095.A0306 16 3.6 condensate drain failure to install the condensate discharge pipework correctly will affect the reliable operation of the boiler the condensate discharge pipe must not rise at any point along its length. There must be ...

  • Page 21

    Installation instructions condensing boiloes with storage - tg05a095.A0306 17 3.7 discharge piping the discharge pipework from the tundish: 1. Shall fall continuously through its length. 2. Shall be of metal construction 3. Shall not be fitted with any valves or taps. 4. Shall discharge to a safe vi...

  • Page 22

    Installation instructions condensing boiloes with storage - tg05a095.A0306 18 a c b 3.8 d.H.W. Circulating loop a. Unscrew cap a on the top of cylinder. B. Insert the copper pipe b, supplied by the manufacturer, into the ½” connection and than connect the loop pipe c. C. If the system requires an ad...

  • Page 23

    Installation instructions condensing boiloes with storage - tg05a095.A0306 19 3.9 gas connection the connection to the gas supply must be carried out by professionally qualified personnel, registered in accordance with current legislation and corgi. When connecting the boiler to the gas supply pipe,...

  • Page 24

    Installation instructions condensing boiloes with storage - tg05a095.A0306 20 electric power supply connect the power supply to the terminal board inside the control panel as follows: a. Switch off the power supply at the main switch. B. Remove the front panel of the boiler. C. Slacken the screws an...

  • Page 25

    Installation instructions condensing boiloes with storage - tg05a095.A0306 21 3.12 connecting the “remoto” thermostat/timer if the optional remote thermostat/timer has been purchased, this must be connected to the modulation board installed in the boiler control panel. To access the modulation board...

  • Page 26

    Installation instructions condensing boiloes with storage - tg05a095.A0306 22 11 10 7 8 6 in te rfac cia inte rfac cia external sensor 1 m1 2 m13 m11 m8 m12 m10 b a rl1 m3 m2 7 8 m1 m1 7 8 m2 m3 rl1 a b m9 m10 m12 m8 m11 m7 m13 m4 m1 m2 m5 m3 m4 m6 ta ln t a s e se 9 grey orange neutral live 6. Conn...

  • Page 27

    Installation instructions condensing boiloes with storage - tg05a095.A0306 23 regulating the flow temperature in accordance with the outdoor temperature the outdoor sensor can be connected either to the remote control or directly to circuit board sm 20015. The sensor can thus be managed in one of tw...

  • Page 28

    Installation instructions condensing boiloes with storage - tg05a095.A0306 24 3.13 flue connections in order to ensure that the appliance functions correctly and efficiently, the flue connection between the boiler and the flue terminal must be made using original components specifically designed for...

  • Page 29

    Installation instructions condensing boiloes with storage - tg05a095.A0306 25 flue position important: the flue system shall be installed in accordance with the recommendations contained in bs 5440:1. The boiler must be installed so that the terminal is exposed to the external air. It is important t...

  • Page 30

    Installation instructions condensing boiloes with storage - tg05a095.A0306 26 2 60° 4 1 5 3 0.50 m volume tecnico 0.50 m 45° 1 .2 0 m m in . Distance > 1.20 m distance > 5 m 0.5 0 m distance > 1.85 m 0.50 m ab ove the r idg e backflow zone 1 m min. 2.10 m 2.60 m m in . Distance > 1.30 m 15° distance...

  • Page 31: Kit K

    Installation instructions condensing boiloes with storage - tg05a095.A0306 27 flue type - kit k horizontal coaxial flue system Ø 100/60 in pps polypropylene adjustable through 360°. Discharges exhaust fumes and draws air from atmosphere. Suitable for condensing boilers only. Discharges exhaust gases...

  • Page 32: Kit H

    Installation instructions condensing boiloes with storage - tg05a095.A0306 28 ■ flue type - kit h separate air intake/exhaust fumes discharge system in pps polypropylene adjustable through 360°. The dual pipe system discharges exhaust fumes into a chimney and draws air from atmosphere. Suitable for ...

  • Page 33: Kit V

    Installation instructions condensing boiloes with storage - tg05a095.A0306 29 flue type - kit v vertical coaxial flue system in pps polypropylene. Discharges exhaust fumes and draws air directly from high level. Suitable for condensing boilers only. Discharges exhaust gases and draws comburent air a...

  • Page 34: 4. Initial Start-Up

    Installation instructions condensing boiloes with storage - tg05a095.A0306 30 4. Initial start-up 4.1 general warnings the following operations must be carried out by professionally qualified personnel, registered in accordance with current legislation and authorised by radiant bruciatori s.P.A. The...

  • Page 35

    Installation instructions condensing boiloes with storage - tg05a095.A0306 31 pump plug circulation circulation pump s t m air vent valve plug air vent valve 4.2 filling the system use only a wras approved filling loop for connection and filling of the primary system. This should be disconnected whe...

  • Page 36

    Installation instructions condensing boiloes with storage - tg05a095.A0306 32 4.3 flushing the system t o flush out the primary side of this unit . 1. Fill the boiler as per the filling instructions. 2. Using a drain off cock on the lowest point of the system allow the water to drain from the system...

  • Page 37

    Installation instructions condensing boiloes with storage - tg05a095.A0306 33 4.5 starting up the boiler once the system has been filled, proceed as follows: • check that the exhaust flue is free of obstructions and correctly connected to the boiler. • switch on the power supply to the boiler. • ope...

  • Page 38: 5. Commissioning The Boiler

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 34 5. Commissioning the boiler 5.1 parameter table parameter n° function parameter value options 1 selects type of boiler 00 01 02 instantaneous boiler boiler with storage tank boiler tank with +7°(stored water temp. Increased ...

  • Page 39

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 35 5.2 parameters programming 5.2.1 entering parameters menu each time you wish to change or check any parameter value, you should access the parameter menu, following this procedure: 1. Place the on/off switch in off position;...

  • Page 40

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 36 s s 1 2 01 s s s 00 s 3 02 5.2.2 parameters settings to enter the parameters menu, follow the procedure shown at page n° 35 (steps 1-6). ◄ parameter n° 1 – type of boiler 7. Use (▲) and (▼) buttons to modify the value of the...

  • Page 41

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 37 ◄ parameter n° 4 – pump mode on central heating phase 7. Use (▲) and (▼) buttons to modify the value of the parameter: 00 = standard (3 ‘ overrun) 01 = always running (to be activated only for system boilers); 8. Press and r...

  • Page 42

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 38 ◄ parameter n° 7 – central heating pump overrun 7. Use (▲) and (▼) buttons to modify the value of the parameter: 00 = 0 99 = 99 x 5’’ = 450 ‘’ = 7.5’ default value is set to 36 = 180’’ = 3’ 8. Press and release the service (...

  • Page 43

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 39 s s 24 10 11 66 s s s 7 s v pf ◄ parameter n° 10 – minimum heating power 7. The value of the parameter must be equal to the one shown into page 35 table. Use (▲) and (▼) buttons to modify the value of the parameter: 24 for n...

  • Page 44

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 40 5.3 gas data 5.3.1 data tables 5.3.2 heating power (kw) – parameter value diagram table n°1 – co 2 values gas type co 2 % g20 natural gas 9.4 g 30 butane 10.9 g 31 propane 10.96 table n°2 - gas data table natural gas g20 liq...

  • Page 45

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 41 5.4 regulating the stepped ignition sequence each time the appliance is started up, in order to provide optimum ignition and an even flame distribution over the entire surface of the burner, a stepped ignition sequence is us...

  • Page 46

    Regulation instructions condensing boiloes with storage - tg05a095.A0306 42 5.5 converting the boiler for different gas type the conversion of a boiler from burning natural gas to lpg, or vice versa, must be carried out exclusively by professionally qualified personnel, registered in accordance with...

  • Page 47: 6. Servicing The Boiler

    User instructions condensing boiloes with storage - tg05a095.A0306 43 6. Servicing the boiler 6.1 general warnings all maintenance operations must be carried out according to uni-cig 7129/01, and subsequent updates, by professionally qualified personnel, registered in accordance with current legisla...

  • Page 48

    User instructions condensing boiloes with storage - tg05a095.A0306 44 6.3 maintenance for unvented components it is essential that the unvented hot water components have a regular maintenance programme. It is radiant’s recommendation that this be carried out in conjunction with the annual boiler ser...

  • Page 49

    User instructions condensing boiloes with storage - tg05a095.A0306 45 6.4 accessing the boiler all maintenance operations require one or more of the boiler casing panels to be removed. The side panels can only be removed after the front panel has been removed. Front panel: remove the fixing screws a...

  • Page 50

    User instructions condensing boiloes with storage - tg05a095.A0306 46 6.5 draining the central heating and the domestic hot water systems d raining the central heating system if the need arises to drain the system, this can be done as follows: • switch the system to “winter” mode and ignite the boil...

  • Page 51

    User instructions condensing boiloes with storage - tg05a095.A0306 47 6.6 wiring diagrams sr 47 m4 brown ligh t-b lue 19 18 p 45 46 red ss ta 50 h z 59 orange lig ht- blu e brown 8 m5 20 c 22 21 r s 56 7 m2 9 13 2 lig ht-b lue brow n ligh t-b lue blac k vd m8 50 48 49 black white blac k m9 56 55 57 ...

  • Page 52

    User instructions condensing boiloes with storage - tg05a095.A0306 48 6.7 troubleshooting error code problem possible cause remedy 01 no flame with no ignition a. No gas. B. Ignition electrode broken or earthed. C. Ignition circuit board s4565qm malfunction. D. Gas valve malfunction. E. Mechanical m...

  • Page 53

    User instructions condensing boiloes with storage - tg05a095.A0306 49 6.8 diagnostics ■ error codes: ionisation block safety thermostat tripped water pressure alarm heating sensor malfunction d.H.W. Sensor malfunction general alarm (air pressure switch or water pressure switch) parameter programming...

  • Page 54

    User instructions condensing boiloes with storage - tg05a095.A0306 50 6.9 parts list ■ main components part number description rka 25 20025la anode w/ control valve 9 20040la plate exchanger 16 p 9 20050la condensing exchanger rka r 4+1 gm30-75-064 9 20051la cylinder 14 lt. Rka 9 24029la circulating...

  • Page 55

    User instructions condensing boiloes with storage - tg05a095.A0306 51 ■ multiplex unit – mod. Rka 25 43139la 64103la 43150la 64072la 64067la 54024la 54023la 64075la 96032la 43145la 43135la 64066la 64065la 43139la 43150la 43150la 43151la 54022la 43151la 43150la 43139la 43150la 43139la 43150la 54022la...

  • Page 56

    Radiant bruciatori s.P.A. Via pantanelli, 164/166 - 61025 loc. Montelabbate (pu) tel. +39 0721 9079.1 • fax. +39 0721 9079279 e-mail: tecnico@radiant • internet: http://www.Radiant.It radiant helpline uk technical helpline - 0870 770 0414 spares - 0870 770 0425 email - info@portsdean.Co.Uk the techn...