Ariston Type C Installation Instructions Manual
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Ariston Type C Installation Instructions Manual

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See also: Instructions for Installation and Servicing , Instruction and Installation Manual
Installation
Instructions
Type C Boilers
G.C.N: 41-116-06
41-116-07
LEAVE THESE INSTRUCTIONS
WITH THE END-USER
Country of destination: GB

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  • Page 1 Installation Instructions Type C Boilers G.C.N: 41-116-06 41-116-07 LEAVE THESE INSTRUCTIONS WITH THE END-USER Country of destination: GB...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS GENERAL INFORMATION 1.1 G ENERAL NSTRUCTIONS 1.2 O VERALL INSTALLATION 2.1 R EFERENCE TANDARDS 2.2 S ITING THE PPLIANCE 2.3 O VERALL IMENSIONS 2.4 C LEARANCES 2.5 M OUNTING THE PPLIANCE 2.6 E LECTRICAL ONNECTION 2.7 G ONNECTION 2.8 W ATER...

  • Page 3: Eneral Instructions

    This manual is an integral and essential part of the product. It should be kept GENERAL with the appliance so that it can be consulted by the user and our authorised INFORMATION personnel. Please carefully read instructions and notices about the unit contained in this manual, as they provide important information regarding the safe installation, use...

  • Page 4: Verall View

    4 - Visual check of the combustion process or analysis of combustion by- products (see section 4.5) and cleaning of the burner if needed. 5 - If called for by point. 3, dismantling and cleaning of the combustion chamber. 6 - If called for by point. 4, dismantling and cleaning of the burner jets. 7 - Visual check of the primary heat exchanger: check for overheating in the blade assembly;...

  • Page 5: Installation

    This appliance is not suitable for outdoor installation. The type C appliances (in which the combustion circuit, air vent intake and combustion chamber are air-tight with respect to the room in which the appliance is installed) can be installed in any type of room.

  • Page 6: Verall Dimensions

    VERALL IMENSIONS EGEND 60 mm = Central Heating Flow (3/4”) = Gas Inlet (3/4”) = Central Heating Return (3/4”) mm = Clearances LEARANCES 450 mm In order to allow for access to the interior of the boiler for maintenance pur poses, the boiler must be installed in compliance with the minimum clearances indicated in F .

  • Page 7: As Connection

    marked “L”. Note: The diagrams for the electrical system are indicated in section 2.12. Warning, this appliance must be earthed. External wiring to the appliance must be carried out by a competent person and be in accordance with the current I.E.E. Regulations and applicable local regulations.
  • Page 8 Copper tubing to BS EN 1057:1996 is recommended for water pipes. Jointing should be either with capillary soldered or compression fittings. Where possible pipes should have a gradient to ensure air is carried naturally to air release points and water flows naturally to drain taps. The appliance has a built-in automatic air release valve, however it should be ensured as far as possible that the appliance heat exchanger is not a natural collecting point for air.

  • Page 9: Lue Connection

    YSTEM ONNECTIONS The provision for satisfactory flue termination must be made in accordance with BS 5440-1. The appliance must be installed so that the flue terminal is exposed to outside air. The terminal must not discharge into another room or space such as an outhouse or lean-to.
  • Page 10 In addition, it is also possible to use a split (twin pipe) system by fitting a special adaptor to the flue connector and using the aperture for the air vent intake located on the top part of the combustion chamber. To utilise the air intake it is necessary to: 1.
  • Page 11 ABLE Exhaust Restrictor Maximum Risk of Condensation Forming Extension Type ø 46 mm Piping insulated Piping not insulated 21 RFFI Exhaust/Air ø 46 ø 46 restrictor NO restrictor restrictor NO restrictor C12 (xx) Coaxial L min = 0.5 m L = 4 m Systems C32 (xx) NONE...

  • Page 12: Room Thermostat Connection

    2.10 R To connect a room thermostat and/or time clock, it is necessary to: HERMOSTAT ONNECTION 1. - Open the control panel as indicated in section 4.3; 2.- Remove screws “A” and remove the inspection cover from the reverse of the control panel;...

  • Page 13: Electrical Diagrams

    2.11 LECTRICAL IAGRAM A11 - Overheat Thermostat EGEND A12 - Spark Generator/Gas Valve Supply A - On/Off Switch A13 - Detection Electrode B - On/Off L.E.D. C - Heating Switch Colours: D - Heating L.E.D. -White E - Reset Button -Blue F - Ignition Failure (Lockout) L.E.D.

  • Page 14: Gas And Water Circuits

    . 2.13 2.12 AS AND ATER IRCUITS EGEND . 2.14 Main heat exchanger Overheat thermostat Burner Ignition electrodes Detection electrode Regulation thermostat Frost thermostat Gas valve 10. Pump pressure switch 11. Safety valve (3 bar) 12. Boiler drain valve 13. Automatic by-pass 14.

  • Page 15: Storage Cylinder

    (D.H.W.). Cylinders of different CYLINDER capacities can be used depending on site requirements (see T 3.1 for a ABLE selection of ARISTON unvented cylinders). PORT AND PORT ALVE NSTALLATIONS 2 port valve installation 3 port valve installation .
  • Page 16 Wiring to 3 port valve installation using an external 2 channel programmer Type Danfoss FP715 Type Honeywell ST6400C : When using a 3 port valve installation in conjunction with an unvented cylinder it . 3.4 will be necessary to use a 2 port valve on the cylinder flow connection in addition to the 3- port valve to satisfy Building Regulations.

  • Page 17: Commissioning

    Comfort STI 125 Indirect 706329) The kit (ARISTON part number can be obtained from an Contract STI 150 Indirect ARISTON supplier.

  • Page 18: Ontrol Panel

    When the installation and filling are completed turn on the central heating system (section 4.4) and run it until the temperature has reached the boiler operating temperature. The system must then be immediately flushed through. The flushing procedure must be in line with BS 7593:1992 code of practice for treatment of water in domestic hot water central heating systems.

  • Page 19: Initial Start Up

    To dismantle the front casing panel it is necessary to: 1 - Remove the two screws “B”; 2 - Move the front casing panel up and lift forward. HE CHECKS TO BE RUN BEFORE INITIAL START UP ARE AS FOLLOWS 4.4 I NITIAL TART...

  • Page 20: Ume Discharge Monitoring

    ISCHARGE ONITORING In the boiler, it is possible to monitor the correct operation of the flue exhaust/air intake, checking for a loss of general pressure in the system. Through the use of a differential manometer connected to the test points of the combustion chamber, it is possible to detect the ∆P of operation of the air pressure switch.

  • Page 21: Gas Adjustments

    GAS ADJUSTMENTS ABLE Liquid Butane Gas Liquid Propane Gas CATEGORY II2H3+ Methane Gas Lower Wobbe Index (15°C;1013mbar) MJ/m 45.67 80.58 80.58 Nominal Delivery Pressure mbar Minimum Delivery Pressure mbar 21 RFFI Main Burner: n. 12 jets (ø) 1.30 0.77 0.77 Consumption (15°C;...

  • Page 22: Maintenance

    It is recommended that the following inspections be carried out on the MAINTENANCE boiler at least once a year: 1 - Check the seals for the water connections; replace any faulty seals. 2 - Check the gas seals; replace any faulty gas seals. 3 - Visual check of the entire unit.

  • Page 24: Technical Information

    TECHNICAL INFORMATION 21 RFFI 28 RFFI CE Certification 63AU4549 63AU4549 Heat Input max/min kW 22.7/10.0 29.8/12.0 Heat Output max/min kW 21.0/8.7 27.8/10.5 Efficiency of Nominal Heat Input 92.8 93.5 Efficiency at 30% of Nominal Heat Input 90.8 90.7 Heat Loss to the Casing (∆T=50°C) Flue Heat Loss with Burner Operating Flue Heat Loss with Burner Off Maximum Discharge of Fumes (G20)
  • Page 25 Servicing Instructions Type C Boilers G.C.N: 41-116-06 41-116-07 LEAVE THESE INSTRUCTIONS WITH THE END-USER Country of destination: GB...
  • Page 26 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 27: Servicing Instructions

    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 28: 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 29: 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 30: 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 31: 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 32: Servicing And Removal Of The Gas Valve

    ERVICING AND EMOVAL OF THE ALVE Setting the minimum and 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 33 Regulating the heating power for natural gas (G20) 21 kW 28 kW OPERATING POWER CG005A Regulating the heating power for butane gas (G30) 21 kW 28 kW OPERATING POWER CG004A Regulating the heating power for propane gas (G31) 21 kW 28 kW OPERATING POWER CG006A...

  • Page 34: 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 35: 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 36: 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 37: 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 38: 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 39: 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 40: 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 41 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 42 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...

  • Page 43: 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 44 SF008A B063...

  • Page 45: Short Spare Parts List

    SHORT SPARE PARTS LIST microSYSTEM 21/28 RFFI 30 31 32 33 34 35 37 38 21/28 RFFI B063...
  • Page 46 21/28 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 47 NOTES B063...
  • Page 48 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...

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41-116-0641-116-07Microsystem 21rffiMicrosystem 28 rffi

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