Ariston microSYSTEM 10 RFFI Servicing Instructions

Type c boilers
Hide thumbs Also See for microSYSTEM 10 RFFI:

Advertisement

Servicing
Instructions
Type C Boilers
G.C.N: 41-116-04
LEAVE THESE INSTRUCTIONS
WITH THE END-USER
Country of destination: GB

Advertisement

Table of Contents
loading

Summary of Contents for Ariston microSYSTEM 10 RFFI

  • Page 1: Servicing Instructions

    Servicing Instructions Type C Boilers G.C.N: 41-116-04 LEAVE THESE INSTRUCTIONS WITH THE END-USER Country of destination: GB...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICING INSTRUCTIONS EPLACEMENT OF ARTS ENERAL CCESS - Removing the front panel - Removing the sealed chamber front cover - Removing the side panels CCESS TO THE OMBUSTION HAMBER - Removing the combustion cover - Removing the burner and jets - Removing the electrodes - Removing the main heat exchanger - Removing the air pressure switch...
  • Page 3: Replacement Of Parts

    2. The control panel moves downward and when pulled forward, SERVICING INSTRUCTIONS rotates on two lateral hinges; the panel stays in a semi- horizontal position, which allows access to the inner parts of To ensure efficient safe operation, it is recommended that the the boiler (F .
  • Page 4: Removing The Sealed Chamber

    1.2.2 Removing the sealed chamber front cover 1.2.3 Removing the side panels 1. Remove the screws “C” (F . 1.6); 1. Remove the four screws “D” for each side panel (F .1.8); 2. Lift the sealed chamber front cover from the locating pins 2.
  • Page 5: Access To The Combustion Chamber

    CCESS TO THE OMBUSTION HAMBER 1.3.1 Removing the combustion cover 1. Remove the screws “E” (F . 1.9); 2. Lift off the combustion cover. Fig. 1.11 1.3.3 Removing the electrodes Before carrying out this procedure, unscrew and slide the burner forward (see previous section). 1.
  • Page 6: Removing The Main Heat Exchanger

    3. Remove screw “H” (F . 1.14); 1.3.4 Removing the main heat exchanger 4. Gently slide the electrode downward (F . 1.15). 1. Drain the boiler of water; 2. Release the overheat thermostat sensor “I” (F . 1.16); 3. Release the two connection nuts “J” connecting the exchanger to the flow and return pipes (F .
  • Page 7: Removing The Air Pressure Switch

    1.3.5 Removing the air pressure switch 1.3.6 Removing the fan 1. Disconnect the electrical connections “K” and silicone 1. Disconnect electrical connections “N” and “O” silicon pipe pipes “L” from their connection points (F . 1.19); .1.22); 2. Remove screws “M” on the top of the sealed chamber 2.
  • Page 8: Servicing And Removal Of The Gas Valve

    ERVICING AND EMOVAL OF THE ALVE Setting the maximum power of the boiler 1.4.1 Setting the gas pressures 1. Check that the supply pressure to the gas valve is a minimum of 20 mbar for natural gas. Turn off the gas supply at the isolation point under the boiler 2.
  • Page 9 6. Remove the pipe from the pressure gauge and connect screw “C” to the pressure outlet in order to seal off the gas. 7. Carefully check the pressure outlets for gas leaks (valve inlet and outlet). IMPORTANT! Whenever you disassemble and reassemble the gas connections, always check for leaks using an approved soap and water solution.
  • Page 10: Removing The Spark Generator

    1.4.2 Removing the spark generator 1.4.3 Removing the gas valve 1. Disconnect ignition leads “S” by pulling upward Important! Before removing the gas valve, ensure the gas . 1.26); supply is turned off. 2. Remove the screw “T” (F . 1.27); 3.
  • Page 11: Access To The Water Circuit

    1. 5. 2 Removing the safety valve CCESS TO THE ATER IRCUIT 1. Loosen nut “Y” (F . 1.33); Important! Before any component is removed, the boiler 2. Disconnect the discharge pipe work from below the must be drained of all water. boiler;...
  • Page 12: Removing The Pump

    1.5.4 Removing the pump 1. Remove the U-clips “ A1” and “B1” (F . 1.36); 2. Remove the retaining clip “C1” (F . 1.37); 3. Release the nut “D1” (F . 1.38); 4. Remove the pipe “E1” (F . 1.39); 5.
  • Page 13: Removing The Pressure Gauge

    1.5.5 Removing the pressure gauge 1.5.6 Removing the expansion vessel 1. Remove the U-clip “G1” and remove the pressure gauge 1. Release nuts “H1” and remove the gas pipe (F . 1.44); coupling (F . 1.42); 2. Release nut “I1” (F .
  • Page 14: Removing The Overheat Thermostat

    1.5.6 Removing the overheat thermostat 1. Disconnect overheat thermostat electrical connections “K1” (F . 1.48); 2. Then remove the thermostat from its mounting by releasing the securing clip (F . 1.49). . 1.51 1.5.8 Removing the regulation thermostat 1. Remove the regulation thermostat sensor from its .
  • Page 15: Access To The Control System

    1.6.2 Removing the P.C.B.s CCESS TO THE ONTROL YSTEM 1. Isolate electricity; 2. Remove the screws “O1” (F . 1.56); Important! Isolate the electrical supply to the boiler before 3. Separate the facia panel from the rear of the control accessing the control panel.
  • Page 16: Fault Finding

    FAULT FINDING It is possible to detect and correct any defect by using the standard fault AULT INDING UIDE finding diagrams described in this chapter. CHARTS RELIMINARY CHECKS MAKE SURE THAT 1 - T HERE IS SUFFICIENT WATER IN THE SYSTEM 2 - T HE GAS IS TURNED ON 3 - T...
  • Page 17 IS THE PUMP RUNNING? POWER T O THE PUMP? 1 - C HECK THE PUMP CABLE P.C.B. HECK EPLACE (CT1) 3 - C HECK THE SYSTEM PRESSURE GAUGE IS AT 1 - C HECK THE OPERATION OF THE PUMP 2 - R ELEASE EPLACE THE PUMP...
  • Page 18 1 - C HECK AIR PRESSURE SWITCH CABLE IS THE CHECK mbar 2 - C HECK EPLACE AIR AIR PRESSURE SWITCH P ON PRESSURE PRESSURE SWITCH ACTIVATED? TEST POINT 3 - C P.C.B. HECK EPLACE (CBM2) P 0.5 mbar 1 - C HECK EXHAUST DISCHARGE 2 - C HECK VENTURI AND TUBES...
  • Page 19: Electrical Diagrams

    A06 - External Control System ELECTRICAL A07 - Time Clock Connector A08 - External (Room) Thermostat DIAGRAMS A09 - Air Pressure Switch A10 - Fan A11 - Overheat Thermostat EGEND A12 - Spark Generator/Gas Valve Supply A - On/Off Switch A13 - Detection Electrode B - On/Off L.E.D.
  • Page 20 SF008A B063...
  • Page 21: Short Spare Parts List

    SHORT SPARE PARTS LIST microSYSTEM 10 RFFI 30 31 10/15 RFFI MODELS CHARACTERISTICS SERIAL NO: REF. VALIDITY MICROSYSTEM 10 RFFI METHANE 2320021100001 MICROSYSTEM 10 RFFI 2320021100001 MICROSYSTEM 15 RFFI METHANE 2320021100001 MICROSYSTEM 15 RFFI 2320021100001 B063...
  • Page 22 10 RFFI G.C. part ARISTON Description Part No. Expansion vessel 998616 164 282 Gasket 3/8" 573521 164 225 Gasket 3/4" 573520 Thermostat (frost) 570760 Flow group 998612 164 229 Gasket 1/2" 573528 Safety valve (1/4" 3 bar) 998447 164 261 Gasket 1/4"...
  • Page 23 NOTES B063...
  • Page 24 Manufacturer: Merloni TermoSanitari SpA - Italy Commercial subsidiary: MTS (GB) LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone: (01494) 755600 Fax: (01494) 459775 Internet: http://www.mtsgb.ltd.uk E-mail: info@mtsgb.ltd.uk Technical Service Hot Line: (01494) 539579...

Table of Contents