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System A 24 RFFI
System A 30 RFFI
S SY YS ST TE EM M A A
Installation and
Servicing
Instructions
Type C Boilers
G.C.N: 47-116-14 (24 kW)
G.C.N: 47-116-15 (30 kW)
LEAVE THESE
INSTRUCTIONS WITH THE
END-USER
Country of destination
GB
IE
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These instructions are suitable for the System A boilers : MTS supports Benchmark, the heating industry code to ensure the correct installation, commissioning and servicing of domestic central heating systems. To The Householder Make sure that your installer completes Section 24 of this manual, this provides a record of the commissioning of your boiler. It contains important information about your particular installation that may be required by service engineers. It will also provide contact det
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Contents CUSTOMER CARE Page Guarantee ............................................................................................................................................................2 Statutory Requirements .......................................................................................................................................2 Contents .......................................................................................................................................
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SERVICING INSTRUCTIONS 18 REPLACEMENT OF PARTS .........................................................................................................................45 18.1 To Gain General Access........................................................................................................................45 18.1.1 Removing the front panel.......................................................................................................................45 18.1.2 Lowering the contro
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USER’S INSTRUCTIONS 1. Control panel 31 30 27 26 29 (System Plus only) Fig 1 32 33 34 35 Control panel (fig. 1) Connecting bracket Taps shown in Open position (fig. 2) 26.- Display 27.- On/off push button and power on indicator light 39 : Gas service tap 29.- Reset push button and red indicator locking light 40 : Cylinder return valve (System Plus only) 30.- Cylinder Hot water start button and temperature setting (System Plus only) 41 : Central heating flow isolating valve 42 : Central heating
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+ 2. How to Use Switching on and filling instructions 1. Check the pressure in the central heating system is above 0.7 bar and below 1.5 bar with the pressure gauge 16 (fig.1), should it be neccessary to re-pressurise the system,ensure the filling loop 45 (fig. 2) is attached, open the filling taps 43 & 44, the pressure gauge will now start to rise, once the pressure reads 1.0 bar, close the filling taps and disconnect the filling loop. 2. Check that the gas service tap is opened at the gas mete
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Anti-freeze and anti-sieze modes Provided the ON/OFF button is on (green light), the water pressure is adequate and the boiler has not shut down due to an error, the anti-freeze and ant-sieze operations will remain active. When the anti-freeze comes on, one of two codes will be displayed with the snowflake pictogram . The two possible codes are 05 (pump anti-freeze) or 06 (burner anti-freeze). 05 (Pump anti-freeze): When the boiler senses a temperature of 8°C or lower, the pump will run for 2 m
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1 14 4 1 15 5 1 16 6 1 17 7 1 18 8 1 19 9 2 20 0 2 21 1 2 22 2 2 23 3 2 24 4 6. Setting the time clock 6.1 Setting the mechanical clock 12 9 3 6 Fig. 3 A 1 1 C I B Fig. 4 1. General layout The mechanical clock covers a 24 hour period. Each tappet represents 15 minutes A (Fig. 4). An override switch is located on the clock B (Fig 4). 2. To set the time To set the time of day, grasp the outer edge of the dial and turn slowly clockwise until the correct time is lined up with the arrow C (Fig. 4). 3
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m h 6. Setting the time clock (continued) 6.2 Setting the Digital Clock Manual switch Summer and
winter time
setting Reset Enter
Enter
switching
the hours times Week-
days
flash Imput
Enter
time minutes Day Enter
weekday/s Automatic Manual Continuous
Operation Operation Operation = ON = ON = Continuously ON = OFF = OFF = Continuously OFF The switching If the current You can only
times corres- switching mode is return to automatic
pond to the changed manually, mode from th
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6. Setting the time clock (continued) Entering the switching times You have 20 memory Iocations available. Each switching time takes up one memory location. Keep pressing the “Prog” button until a free memory location is shown in the display “– –:– –”. Programme ON or OFF with the “ ” button: “ ”= OFF; “ ”= ON Enter the hour using “h” Enter the minutes using “m” If a switching command is to be carried out every day (1 2 3 4 5 6 7) then store using the “ ” button, otherwise select the day(s) it i
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INSTALLER’S INSTRUCTIONS 7. Description 1.- Steel chassis complete with expansion vessel 2.- Sealed chamber 1 3.- Burner and heat exchanger assembly 4.- Air / gas connection 5.- 24 V modulating fan 6.- Gas valve 24 25 7.- Ignition electrode 10 8.- Ionisation probe 9.- Ignitor 10.- Combustion products manifold 11.- Siphon 2 9 12.- Silencer 13.- Electrical box 7 14.- Pump 3 16.- Pressure gauge 17.- Three way valve 8 18.- Automatic air separator and automatic vent 20 20.- Main exchanger inle
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8. Dimensions All dimensions in mm I Safety valve C/H and condensate J Heating flow K Cylinder return (System Plus only) 289 L Gas supply M Cold water supply 21 162 141 N Heating return With packaging : 24 kW : 34 kg 30 kW : 37 kg 172,5 I 121,5 JK L M N 4,7 I minimum space required 450 450 mini pour entretien 32 296 296 (24 kW) 360 (30 kW) 440 390 54 54 54 54 JK L M N Fig. 8 9. Hydraulic data Pump Head Graph (15/50 & 15/60) The boiler is fitted with an automatic by-pass as standard. 0.45 The gra
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10. Installation Requirements Reference Standards such as an outhouse or closed lean-to. In the United Kingdom, the installation and initial start up of the boiler must be by a CORGI Registered installer in Condensing boilers have a tendency to form a plume of water accordance with the installation standards currently in effect, vapour from the flue terminal due to the low temperature of the as well as with any and all local health and safety standards flue gasses. The terminal should therefore
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10. Installation Requirements (continued) It must also be possible to be able to completely isolate the MTS suggests the use of suitable anti-freeze products such appliance electrically. Connection should be via a 3 amp as Fernox ALPHI 11, which will prevent rust and incrustation fused double-pole isolating switch with a contact separation taking place. of at least 3 mm on both poles. Alternatively, a fused 3 Amp. 3 pin plug and unswitched socket may be used, provided it is Periodically check t
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10. Installation Requirements (continued) iii) Terminating into a gully, below the grid level but above fall. The total length of external pipe used should not exceed the water level. 3 metres. iv) Into a soakaway. Some examples of the type of condensate terminations can be found below. NOTE: If any condensate pipework is to be installed externally then it should be kept to a minimum and be insulated with a waterproof insulation and have a continuous 1. Internal termination of condensate drainag
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10. Installation Requirements (continued) 3. External termination of condensate drainage pipe via internal discharge branch (e.g. sink waste - proprietary fitting) 4. External termination of condensate drainage pipe via condensate siphon 16
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11. Installing the Boiler Please check that you are familiar with the installation requirements before commencing work (Section 10). The installation accessories described in the following list are included in the boiler packaging: - Hanging bracket - A paper template (showing the dimensions of the boiler with 5 mm side clearances) - Connection tails and valves - Screws and washers - Connection washers - Installation, Servicing and Operating Instructions - Air Inlet Header (for use with twin fl
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11. Installing the Boiler (continued) A A Fig. 12 1 2 Fig. 13 P P Fig. 14 Fig. 15 18
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150 mm 12. Connecting the Flue The boiler should only be installed with a flue system supplied by MTS (GB) Limited. These kits are supplied separately to the appliance in order to respond to different installation solutions. For more information with regard to the inlet/outlet accessories consult the accessory catalogue. The boiler is supplied ready for connection to a concentric flue system. NOTE:SEE PAGE 24 FOR MAXIMUM AND MINIMUM FLUE RUNS (TABLES A, B AND C) IMPORTANT!! BEFORE CONNECTING THE
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12.1 Fitting the coaxial flue (Ø 60/100 Horizontal) CONTENTS: 1X SILICONE O-RING (60mm) O 1X ELBOW (90 ) 2X WALL SEALS (INTERNAL & EXTERNAL) 1X FLUE PIPE INCLUDING TERMINAL (1 METRE - 60/100) 1X FLUE CLAMP 1X SCREWS 1x Seal Once the boiler has been positioned on the wall, insert the elbow into the socket and rotate to the required position. NOTE: It is o possible to rotate the elbow 360 on its vertical axis. Using the flue clamp, seals and screws supplied (Fig 19) secure the elbow to the boiler.
