Page 2 - TABLE OF CONTENTS
This manual is an integral and essential part of the product. It should be kept with theappliance so that it can be consulted by the user and our authorised personnel. Please carefully read the instructionsand notices about the unit contained inthis manual, as they provide importanti n f o r m a t i...
Page 4 - INSTALLATION
4 The technical information and instructions provided herein below are intended for theinstaller so that the unit may be installed correctly and safely. The installation and initial star t up of the boiler must be by a CORGI RegisteredInstaller in compliance with the installation standards currently...
Page 7 - removed once the system has been filled.
7 C ENTRAL H EATING Detailed recommendations are given in BS 6798:1987 and BS 5449-1:1990, thefollowing notes are given for general guidance.P IPE W ORK : Copper tubing to BS EN 1057:1996 is recommended for water pipes. Jointing shouldbe either with capillary soldered or compression fittings.Where p...
Page 9 - NONE NONE; NONE NONE; - For the room-thermostat connect the thermostat switching; OAXIAL
Exhaust Type C12 (xx)C32 (xx)C42 (xx) Restrictor ø 44 mm L min = 0.5 m L max = 1 m Maximum Extension Exhaust/Air L = 5 m Risk of Condensation Forming Coaxial Systems ø 60/100 Piping not insulated ø 44 restrictor NO restrictor NONE NONE Piping insulated ø 44 restrictor NO restrictor NONE NONE T ABLE ...
Page 11 - AS AND
11 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 12 - selection of ARISTON unvented cylinders).; port valve installation
12 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 14 - COMMISSIONING; Boiler microSYSTEM
14 MTS (GB) Limited support the initiative. Within the information pack you willfind a copy of the logbook. It is impor tant that this is completed in thepresence of your customer, they are shown how to use it, and it is signed by them.Please instruct your customer that they must have their logbook ...
Page 15 - - Central Heating button
B 4 5 In order to access the inside of the boiler, it is necessar y tounscrew the fastening screws “A” of the control panel located onthe lower part of the panel itself.The control panel moves downward and when pulled forwardrotates on two lateral hinges.The panel stays in a semi-hor izontal positio...
Page 16 - P of operation of the air
16 The flue connector has two apertures, readings can be taken fort h e t e m p e ra t u r e o f t h e c o m bu s t i o n by - p r o d u c t s a n d o f t h ecombustion air, as well as of the concentrations of O 2 and CO 2 , etc. .To access these intakes it is necessar y to unscrew the frontscrew an...
Page 17 - Attach a hose pipe and open the drain valve; RAINING THE
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 7 seconds ofstar ting an ignition sequence. The L.E.D. “F” will illuminate to signal theshutdown status.The system can be res...
Page 18 - GAS ADJUSTMENTS; Methane Gas
18 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. Pay attention to put the gas restrictor if convert the...
Page 19 - Check the gas seals replace any faulty gas seals.; MAINTENANCE
19 It is recommended that the following inspections be carried out on the boiler atleast 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...
Page 20 - 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 21 - Country of destination: GB
ServicingInstructionsType C Boilers G.C.N: 41-116-04 LEAVE THESE INSTRUCTIONSWITH THE END-USER Country of destination: GB
Page 22 - 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 23 - 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 24 - 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 25 - 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 26 - 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 27 - 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 28 - unscrewing in clockwise direction the white screw
8 1.4 S ERVICING AND R EMOVAL OF THE G AS V ALVE 1.4.1 Setting the gas pressures 1 2 3 A B C F D Setting 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 theboiler 2. To do ...
Page 29 - Remove the pipe from the pressure gauge and connect screw “C” to the; pressure outlet in order to seal off the gas.
9 1.22 20 8.3 2.9 2.9 ---- ----- ----- 0.91 Kg/h ------ Kg/h 22.9 mbar ---- mbar 28 mbar 0.90 Kg/h ------ Kg/h 29.5 mbar ---- mbar 37 mbar 6 x 1.30 6 x 0.77 6 x 0.77 Gas restrictor ¿ 10 RFFI T ABLE A TB016A 6. Remove the pipe from the pressure gauge and connect screw “C” to the pressure outlet in or...
Page 30 - 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 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 . 1.28); 4. Re...
Page 31 - 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 35 - 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 36 - 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 38 - 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 39 - Blk
19 B063 3. ELECTRICAL DIAGRAMS SE011A 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 Thermostat A06 - External ...
Page 41 - SHORT SPARE
21 B063 MODELS CHARACTERISTICS SERIAL NO: VALIDITY REF. MICROSYSTEM 10 RFFI METHANE 2320021100001 A MICROSYSTEM 10 RFFI LPG 2320021100001 B MICROSYSTEM 15 RFFI METHANE 2320021100001 C MICROSYSTEM 15 RFFI LPG 2320021100001 D 13 24 30 31 37 13 19 20 16 14 17 15 6 4 3 5 57 56 5554 53 49 1 41 43 47 48 4...
Page 42 - microSYSTEM 10 RFFI
22 B063 998616573521573520570760998612573528998447569390998627999542574279999474998809999476998424998836999578999499999245998517998484997182999538998624998622998623998893999481999686999479999685998433998434999501950030999486998487998488998644998643998738998961998716998717 Key no. G.C. part no. ARIST...
Page 43 - NOTES
