Page 2 - TABLE OF CONTENTS
2 TABLE OF CONTENTS 1. GENERAL INFORMATION 1.1 G ENERAL I NSTRUCTIONS 1.2 O VERALL V IEW 2. INSTALLATION 2.1 R EFERENCE S TANDARDS 2.2 S ITING THE A PPLIANCE 2.3 O VERALL D IMENSIONS 2.4 C LEARANCES 2.5 M OUNTING THE A PPLIANCE 2.6 E LECTRICAL C ONNECTION 2.7 G AS C ONNECTION 2.8 W ATER C ONNECTIONS...
Page 3 - Check the following at least once a year:; ENERAL
This manual is an integral and essential part of the product. It should be keptwith the appliance so that it can be consulted by the user and our authorisedpersonnel. P l e a s e c a r e f u l l y r e a d t h einstructions and notices about theunit contained in this manual, asthey provide impor tant...
Page 4 - VERALL
4 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 ...
Page 5 - INSTALLATION
5 The technical infor mation and instr uctions provided herein below areintended for the installer so that the unit may be installed correctly andsafely. The installation and initial star t up of the boiler must be by a CORGIRegistered Installer in compliance with the installation standards currentl...
Page 11 - Sum of the total length of e; ABLE; WIN
L = Sum of the total length of e xhaust + air intak e piping. 11 Exhaust Type C12 (xx)C32 (xx)C42 (xx) Restrictor ø 46 mm L min = 0.5 m L max = 1 m Maximum Extension Exhaust/Air L = 4 m Risk of Condensation Forming Coaxial Systems ø 60/100 Piping not insulated ø 46 restrictor NO restrictor NONE NONE...
Page 12 - To connect a room thermostat and/or time clock, it is necessary to:; A frost thermostat is built-in to the appliance.; OOM
12 To connect a room thermostat and/or time clock, it is necessary to: 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; 3. - For the room-thermostat connect the thermostat switching wires to the posit...
Page 13 - Blk
2.11 E LECTRICAL D IAGRAM 13 F IG . 2.12 L EGEND : A - On/Off SwitchB - On/Off L.E.D.C - Heating SwitchD - Heating L.E.D.E - Reset ButtonF - Ignition Failure (Lockout) L.E.D. A01 - Pump Pressure SwitchA02 - Frost ThermostatA03 - ModulatorA04 - Circulation PumpA05 - Regulation ThermostatA06 - Externa...
Page 14 - AS AND
14 1 2 3 4 567 89 10 11 12 13 14 15 16 17 L EGEND : 1. Fan 2. Main heat exchanger 3. Overheat thermostat 4. Burner 5. Ignition electrodes 6. Detection electrode 7. Regulation thermostat 8. Frost thermostat 9. Gas valve 10. Pump pressure switch11. Safety valve (3 bar)12. Boiler drain valve13. Automat...
Page 15 - selection of ARISTON unvented cylinders).; port valve installation
15 3. D.H.W. STORAGECYLINDER The microSYSTEM can be connected to a storage cylinder (both open-vented andunvented) for the production of domestic hot water (D.H.W.). Cylinders of differentcapacities can be used depending on site requirements (see T A B L E 3.1 for a selection of ARISTON unvented cyl...
Page 17 - COMMISSIONING; Boiler microSYSTEM; The kit (ARISTON par t number
17 MTS (GB) Limited support the initiative. Within the information packyou will find a copy of the logbook. It is impor tant that this iscompleted in the presence of your customer, they are shown how to use it,and it is signed by them. Please instruct your customer that they must havetheir logbook w...
Page 18 - - Central Heating button
In order to access the inside of the boiler, it is necessary tounscrew the fastening screws “A” of the control panellocated on the lower part of the panel itself.The control panel moves downward and when pulledforward rotates on two lateral hinges.The panel stays in a semi-horizontal position, which...
Page 19 - The flue connector has two aper tures,
19 The flue connector has two aper tures, readings can be taken for the temperature of the combustion by-productsand of the combustion air, as well as of the concentrationsof O 2 and CO 2 , etc. . To access these intakes it is necessary to unscrew the frontscrew and remove the metal plate with seali...
Page 20 - P of operation of the air
The boiler is fitted with the following devices (see section 4.2 for references). 1 - I GNITION F AILURE : This indicates ignition failure when a flame is not detected within 7seconds of starting an ignition sequence. The L.E.D. “F” will illuminateto signal the shutdown status.The system can be rese...
Page 21 - HANGING THE; GAS ADJUSTMENTS; Methane Gas
21 The boiler can be converted to use either methane (natural) gas (G20)or LPG (G30 - G31) by an Authorised Service Centre.The operations that must be performed are the following:1. Replace the jets on the main burner (see table in section 5);2. Adjust the maximum and minimum thermal capacity values...
Page 22 - MAINTENANCE
22 It is recommended that the following inspections be carried out on theboiler 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.4 - Visual check of the combustion p...
Page 24 - Merloni TermoSanitari SpA - Italy; bief; TECHNICAL INFORMATION
Manufacturer: Merloni TermoSanitari SpA - Italy Commercial subsidiary: MTS (GB) LIMITED MTS BuildingHughenden AvenueHigh WycombeBucks HP13 5FT Telephone: (01494) 755600 Fax: (01494) 459775 Internet: http://www.mtsgb.ltd.uk E-mail: [email protected] Technical Service Hot Line: (01494) 539579 23 99 84...
Page 25 - Country of destination: GB
ServicingInstructionsType C Boilers G.C.N: 41-116-06 41-116-07 LEAVE THESE INSTRUCTIONSWITH THE END-USER Country of destination: GB
Page 26 - TABLE OF CONTENTS
2 1. SERVICING INSTRUCTIONS 1.1 R EPLACEMENT OF P ARTS 1.2 T O G AIN G ENERAL A CCESS - Removing the front panel- Removing the sealed chamber front cover- Removing the side panels 1.3 A CCESS TO THE C OMBUSTION C HAMBER - Removing the combustion cover- Removing the burner and jets- Removing the elec...
Page 27 - SERVICING INSTRUCTIONS; EPLACEMENT OF; Loosen the fastening screws “A” of the control panel located on
2. The control panel moves downward and when pulled forward, rotates on two lateral hinges; the panel stays in a semi-horizontal position, which allows access to the inner parts ofthe boiler (F IG . 1.2); 3. In order to increase the manouvering space, it is possible to raise the control panel and ro...
Page 28 - Removing the sealed chamber front cover; Lift the sealed chamber front cover from the locating pins
4 1.2.2 Removing the sealed chamber front cover 1. Remove the screws “C” (F IG . 1.6); 2. Lift the sealed chamber front cover from the locating pins (F IG . 1.7). F IG . 1.6 C C F IG . 1.7 1.2.3 Removing the side panels 1. Remove the four screws “D” for each side panel (F IG .1.8); 2. Pull the panel...
Page 29 - To remove the detection electrode disconnect the cable; Remove the screws “F” from the burner (F; CCESS TO THE
1.3.3 Removing the electrodes Before carrying out this procedure, unscrew and slide theburner forward (see previous section).1. Remove rubber gasket “G” (F IG . 1.12); 2. To remove the detection electrode disconnect the cable at its connection point close to the P.C.B. (F IG . 1.13); F IG . 1.12 G F...
Page 30 - Gently slide the electrode downward (F; otherwise the electrode may break; Release the two connection nuts “J” connecting the; Remove the heat exchanger by sliding forward (F
6 3. Remove screw “H” (F IG . 1.14); 4. Gently slide the electrode downward (F IG . 1.15). To replace, repeat the steps in reverse order, payingparticular attention to the following:a - Centre the electrode in the positioning hole carefully, otherwise the electrode may break; b - Ensure that the lef...
Page 31 - Disconnect electrical connections “N” and; silicon pipe; Remove screw “P” and remove the fan collar clamp “Q”; Disconnect the electrical connections “K” and silicone; Remove screws “M” on the top of the sealed chamber; Unscrew to remove the switch from the plate.
1. Disconnect electrical connections “N” and silicon pipe “O” (F IG .1.22); 2. Remove screw “P” and remove the fan collar clamp “Q” (F IG .1.23); 3. Remove screws “R” (F IG .1.24); 4. Remove fan and mounting plate (F IG .1.25). 1.3.6 Removing the fan 1. Disconnect the electrical connections “K” and ...
Page 32 - unscrewing in clockwise direction the white screw; Remove the pipe from the pressure gauge and connect screw “C” to the; pressure outlet in order to seal off the gas.
8 1.4 S ERVICING AND R EMOVAL OF THE G AS V ALVE 1.4.1 Setting the gas pressures 1 2 3 4 A B C F G D Setting the minimum and the maximum power of the boiler1. 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...
Page 33 - Regulating the heating power for; Regulating the heating power for; Regulating the heating power for
9 GAS B URNER PRESSURE OPERATING POWER Regulating the heating power for natural gas (G20) GAS B URNER PRESSURE OPERATING POWER Regulating the heating power for butane gas (G30) GAS B URNER PRESSURE OPERATING POWER Regulating the heating power for propane gas (G31) 21 RFFI 28 RFFI 2.4 20 8.5 3.3 0.7 ...
Page 34 - Disconnect all the cables from the solenoid and; Remove the screws “V” from the bottom of the gas valve; Disconnect ignition leads “S” by pulling upward; Remove the spark generator by pulling forward from the
10 F IG . 1.28 F IG . 1.29 F IG . 1.30 U V V 1.4.3 Removing the gas valve Important! Before removing the gas valve, ensure the gassupply is turned off. 1. Disconnect all the cables from the solenoid and modureg; 2. Remove the spark generator (see previous section);3. Release the top nut “U” (F IG . ...
Page 35 - Disconnect the discharge pipe work from below the; Remove the cable of the pump pressure switch “W”
11 1. 5. 2 Removing the safety valve 1. Loosen nut “Y” (F IG . 1.33); 2. Disconnect the discharge pipe work from below the boiler; 3. Unscrew and remove the valve. 1.5.3 Removing the automatic air vent1. Unscrew valve top “Z” (F IG . 1.34); 2. Remove valve complete with float (F IG 1.35). F IG . 1.3...
Page 39 - Separate the facia panel from the rear of the control; Remove the inspection cover on the reverse of the; Remove the fuse mounted on the reverse of the
15 1.6.2 Removing the P.C.B.s 1. Isolate electricity;2. Remove the screws “O1” (F IG . 1.56); 3. Separate the facia panel from the rear of the control panel; 4. Unplug all electrical connections from the P.C.B. and remove the screws “P1” and remove the P.C.B. (F IG . 1.57). F IG . 1.56 O1 O1 O1 O1 O...
Page 40 - FAULT FINDING; YES; AULT
16 B063 2. FAULT FINDING P RELIMINARY CHECKS MAKE SURE THAT : IS THE SUPPLY L.E.D. ILLUMINATED? IS THE L.E.D. ILLUMINATED? NO NO NO YES NO 1 - C HECK THE FUSES 2 - C HECK THERE IS POWER SUPPLIED TO THE P.C.B. S 3 - C HECK / REPLACE THE P.C.B. (CT1) 1 - C HECK THE INTEGRITY OF THE L.E.D. 2 - C HECK /...
Page 42 - mbar
18 B063 IS THE BURNER ALIGHT? YES NO YES YES BOILER WORKING? YES NO NO NO NO YES 5 - C H E C K /R E P L A C E P.C.B. (CBM2) 4 - C HECK /R EPLACE P.C.B. (CBM2) 4 - C HECK /R EPLACE P.C.B. (CBM2) 1 - C HECK /R EPLACE IGNITION ELECTRODES 2 - C HECK THE CABLES 3 - C HECK SPARK GENERATOR 4 - C HECK IGNIT...
Page 47 - NOTES
