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Radiant RMA Installation, Use And Maintenance Manual

Gas fired, wall-hung boilers with domestic hot water storage cylinder
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INSTALLATION, USE,
AND MAINTENANCE MANUAL
FOR GAS FIRED, WALL-HUNG BOILERS
WITH DOMESTIC HOT WATER
STORAGE CYLINDER
RMA
Model
TYPE B
OPEN COMBUSTION CHAMBER
RMAS
Model
TYPE C
ROOM SEALED
CE
0694
Technical Specification RADIANT BRUCIATORI S.p.A. Montelabbate (PU) ITALY
ENGLISH
By Technical Department

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Summary of Contents for Radiant RMA

  • Page 1 INSTALLATION, USE, AND MAINTENANCE MANUAL FOR GAS FIRED, WALL-HUNG BOILERS WITH DOMESTIC HOT WATER STORAGE CYLINDER Model TYPE B OPEN COMBUSTION CHAMBER RMAS Model TYPE C ROOM SEALED 0694 ENGLISH Technical Specification RADIANT BRUCIATORI S.p.A. Montelabbate (PU) ITALY By Technical Department...

  • Page 3: Table Of Contents

    INDEX USER MANUAL page I-II INSTALLATION INSTRUCTIONS AND WARNINGS page INSTALLATION REQUIREMENTS page OVERALL DIMENSIONS - EXHAUST FLUE SYSTEM page GENERAL INSTALLATION REQUIREMENTS page BOILER INSTALLATION page ELECTRICAL CONNECTIONS page 10;19-22 BOILER CONTROL PANEL page STARTING UP THE BOILER FOR THE FIRST TIME page BOILER ADJUSTMENTS page...
  • Page 4 (see fig. 1). IMPORTANT should the boiler fail to ignite wait 3 minutes before pressing button again. If locking-out persists, turn boiler OFF and call an authorised radiant service engineer. Wall Hung Boiler with D.H.W. Storage Cylinder Low Nox – Cod. 99881NA – July 2001...
  • Page 5 # Have normal maintenance performed at least once a year by one of our authorised service centres (a fee will be charged), combustion tests are necessary every two years and should again be carried out by a qualified Radiant technician (in accordance with D.P.R.
  • Page 6 RADIANT BRUCIATORI S.p.A. products are type tested EC. All RADIANT boilers are constructed according to UNI - CIG (EC) norms. The materials used, such as copper, brass, and stainless steel, form a compact, homogeneous, highly functional unit that is easy to install and simple to operate. The wall- mounted boiler is equipped with all of the approved accessories required to make it a true, independent heating plant for home heating and for the production of hot water for domestic needs.
  • Page 7 Installation Manual INSTALLATION INSTRUCTIONS WARNINGS THIS INSTALLATION, USE, AND MAINTENANCE MANUAL IS AN ESSENTIAL AND INTEGRAL PART OF THE PRODUCT, AND MUST ALWAYS BE KEPT NEAR THE DEVICE. THE WARNINGS CONTAINED IN THIS SECTION ARE ADDRESSED BOTH TO THE USER AND TO INSTALLATION AND MAINTENANCE PERSONNEL. THE USER WILL FIND INFORMATION ON OPERATION AND LIMITS OF USE IN THE ACCOMPANYING MANUAL, WHICH SHOULD BE READ VERY CAREFULLY.
  • Page 8 CENTRAL HEATING - DOMESTIC HOT WATER open combustion circuit type RMA 21 E - electronic ignition CENTRAL HEATING - DOMESTIC HOT WATER sealed combustion circuit type RMAS 21 E - electronic ignition...
  • Page 9 Installation Manual TYPE B WALL-MOUNTED BOILERS OPEN COMBUSTION CIRCUIT: TYPE C WALL-MOUNTED BOILERS SEALEDCOMBUSTION CIRCUIT: Kit A Horizontal coaxial exhaust flue system with 360° rotation. It allows the flue exhaust and the air intake directly to an external wall. . To insert a bend, reduce total flue length by 0.8 m.
  • Page 10 Installation Manual 2.5 m max. 2.5 m. max. FLUE EXHAUST DIRECTLY INTO A DUCT (CHIMNEY) OR COLLECTIVE BRANCH- TYPE FLUE 3% minimum 3% minimum VERTICAL EXHAUST slope slope Open chamber model A maximum of 3 changes of direction are allowed. Suction opening Keep to the distances and...

  • Page 11: Installation Requirements

    Installation Manual GENERAL INSTALLATION REQUIREMENTS GAS SAFETY It is the law that all gas appliances are installed by a CORGI registered installer in accordance with the regulations listed below. Failure to install appliances correctly could lead to prosecution. It is in your own interest and that of safety to ensure that the law is complied with.
  • Page 12 Installation Manual Where installation will be in an unusual location, special procedures may be necessary. BS 6798 gives detailed guidance on this aspect. For clearances to be made available for installation and servicing, see Sections 5.2.2. to 5.2.4. FLUE POSITION IMPORTANT: THE FLUE SYSTEM SHALL BE INSTALLED IN ACCORDANCE WITH THE RECOMMENDATIONS CONTAINED IN BS 5440:1.
  • Page 13 Installation Manual MINIMUM DISTANCES FOR FIXING TO WALL Fig. 2 MINIMUM DISTANCES mm. R HEATING RETURN ¾” G GAS ½” C HOT WATER ½” F COLD WATER ½” A HEATING FLOW ¾” Fig. 1 To allow access in the boiler for maintenance operations, the minimum distances shown below must be respected (fig.
  • Page 14 5th March ‘90 (see p.18). ANTI-FROST SYSTEM Radiant boilers are equipped with an Anti-Freeze system which comes into operation when the temperature falls to 5° C (Heating sensor) and 4° C (Hot water sensor) and protects the boiler down to –2°C external temperature.
  • Page 15 Installation Manual ELECTRICAL CONNECTIONS The boiler works with 230 V 50 Hz AC current and has maximum input of 170 W. Connection to the electrical mains must be performed with a device having an omnipolar opening of at least 3 mm. Make sure the live and neutral connections conform to the diagram.
  • Page 16 Installation Manual CONTROL PANEL LEGEND (see fig. 1) SUMMER-WINTER ON-OFF SWITCH LOCK-OUT INDICATOR HEATING TEMPERATURE ADJUSTMENT KNOB WATER TEMPERATURE ADJUSTMENT KNOB SPACE FOR ADDING AN OPTIONAL TIMER SELF- DIAGNOSTIC LEGEND (see fig. 2) OPERATING/ POWER INDICATOR Fig. 1 DOMESTIC HOT WATER OPERATION HEATING OPERATION ELECTRONIC WATER FLASHING LIGHT DENOTING AIR PRESSURE SWITCH FAILURE...

  • Page 17: Boiler Adjustments

    Installation Manual Filling the system (only for U.K. and Ireland) AIR VENT VALVE CAP After making sure the gas cock is closed, fill the heating system as AIR VENT VALVE follows; CIRCULATING PUMP • fill the system until a pressure of 1.5 bar has been reached (light PUMP CAP no.

  • Page 18: Boiler Adjustments

    Installation Manual BOILER ADJUSTMENTS SELECTOR FUSE 1 RL3-RT RL1-RP LINK PTC1 RLA - CM1 RL2-RS SELECTOR RL4-RV THE SELECTOR P1 SAN. RISC. MUST BE INSERTED INTO THE T. RIS M. RIS COMMUTATOR LINK FASX2 FASX3 SELECTOR FASX1 FASX4 NATURAL GAS COMMUTATOR L.P.G.
  • Page 19 DATA TABLE Models: NATURAL GAS LIQUID BUTAN GAS LIQUID PROPANE GAS RMA 24 E - RMAS 24 E G 20 G 30 G 31 Lower Wobbe index (15°C; 1013 mbar) 45.67 80.58...

  • Page 20: Regulating The Gas Pressure

    Installation Manual REGULATING THE GAS PRESSURE Maximum and minimum modulation pressures. N.B. The following operations must only be carried out by authorised personnel and are necessary when the boiler is converted to run on one type of gas or another or also in cases where the maximum pressure is not the same as that shown on the plate.

  • Page 21: Technical Data

    Installation Manual TECHNICAL DATA DIFFERENTIAL AIR PRESSURE SWITCH FOR FAN CONTROL To guarantee maximum safety in flue exhaust, a differential pressure switch is ELECTRICAL CONNECTION installed on room-sealed boilers and on forced draught boilers. This pressure switch automatically controls perfect functioning of the fan and the passage of both external air and exhaust flue pipes.

  • Page 22: Maintenance

    Installation Manual BOILER MAINTENANCE (carried out by qualified heating engineers) Every 12 months, or more frequently if the quality and consumption of water demand it, check the condition of the magnesium anode and replace it if signs of wear are evident. To check the condition of the anode 3 (see fig.1), open valve 4 on the top of the boiler, undoing the red knob in a clockwise direction.
  • Page 23 Installation Manual FRAME FLUE HOOD – OPEN COMBUSTION CHAMBER FLUE HOOD – ROOM SEALED COMBUSTION CHAMBER COMBUSTION CHAMBER ROOM SEALED CHAMBER COVER ROOM SEALED CHAMBER BACK HEAT EXCHANGER Mod. 20.000 MULTIGAS BURNER WITH 24 RAMPS IGNITION ELECTRODE 10. FLAME IONISATION ELECTRODE 11.
  • Page 24 Installation Manual KEY For U.K. and Ireland FRAME FLUE HOOD – OPEN COMBUSTION CHAMBER FLUE HOOD – ROOM SEALED COMBUSTION CHAMBER COMBUSTION CHAMBER ROOM SEALED CHAMBER COVER ROOM SEALED CHAMBER BACK HEAT EXCHANGER Mod. 20.000 MULTIGAS BURNER WITH 24 RAMPS IGNITION ELECTRODE 10.

  • Page 25: Time Clock

    Installation Manual ELECTRICAL CONNECTION FOR OPEN COMBUSTION CHAMBER ELECTRONIC IGNITION BOILER – mod. RMA 24 E RAMIRE 3 CIRCUIT BOARD STANDARD ON ALL MODELS N.B. M1 CONNECTOR OF THE RAVI 2 CIRCUIT BOARD MUST BE CONNECTED TO THE M11 CONNECTOR OF THE RAMIRE3 FUSE 1 CIRCUIT BOARD.
  • Page 26 Installation Manual WIRING DIAGRAM FOR OPEN COMBUSTION CHAMBER ELECTRONIC IGNITION BOILER – mod. RMA 24 E NET FILTER RAVI2 brown SK06205 PTC2 light-blue black 1 bar black brown PUMP CONTROL AND blue 1.5 bar PRIORITY BLOCK brown black black RAMIRE 3 SM20012 - LINE M.F.
  • Page 27 Installation Manual ELECTRICAL CONNECTION FOR ROOM SEALED COMBUSTION CHAMBER ELECTRONIC IGNITION BOILER – mod. RMAS 24 E RAMIRE 3 CIRCUIT BOARD STANDARD ON ALL MODELS N.B. M1 CONNECTOR OF THE RAVI 2 CIRCUIT BOARD MUST BE CONNECTED TO THE M11 CONNECTOR OF THE RAMIRE 3 FUSE 1 CIRCUIT BOARD.
  • Page 28 Installation Manual WIRING DIAGRAM FOR ROOM SEALED COMBUSTION CHAMBER ELECTRONIC IGNITION BOILER – mod. RMAS 24 E NET FILTER 80° 70° 60° 50° 40° 30° light-blue brown MAX. RIS TIMER RIS. RAVI2 brown SK06205 PTC2 T. RIS T. SAN light-blue black 1 bar black...

  • Page 29: Unpacking

    Installation Manual MAINTENANCE To keep the boiler in efficient and safe operating condition, we recommend you perform the following checks at least once a year: • Check all seals on the gas side and replace gaskets to restore perfect seal as required. •...
  • Page 30 Installation Manual ELECTRONIC WATER PRESSURE GAUGE SELF-DIAGNOSTIC 11 12 13 14 15 16 Fig. 2 Fig. 1 MALFUNCTION POSSIBLE CAUSE SOLUTION Light 6 (fig.2) is on but nothing works. water pressure switch replace it b. water pressure below 0.5 bar (light 14 fig. 2 load water flashing).
  • Page 31 Installation Manual SPARE PARTS SHORT LIST n° CODE DESCRIPTION RMA 24 E RMAS 24 E Electronic Electronic Ignition Ignition 58007LP MAIN HEAT EXCHANGER mod. 24.000 36064LA ELECTRONIC GAS VALVE VK4105 A 1035B 76616LA ELECTRONIC IGNITION BOARD S4565 A 2019B 18003LA...
  • Page 32 Registered Office: 61025 Montelabbate (PU) Italy • Via Pantanelli, 164/166 Tel +39 0721 498822 • Fax +39 0721 499815 Email: tecnico@radiant.it • italia@radiant.it • export@radiant.it Internet: http://www.radiant.it All descriptions and illustrations contained in this leaflet have been carefully prepared but we reserve the right to make changes and improvements in our products whitch...

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