Ariston 47-116-17 installation instructions Commissioning, Initial Preparation

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24 RFFI SYSTEM

LEGEND:

1 - Fan

2- Main Heat exchanger

3- Ignition/detection electrode

4- Burner

5- Gas valve

6- Heating return temperature probe

7- Heating flow temperature probe

8- Silencer

9- Motorised valve

10- Automatic by-pass

11- Main circuit flow switch

12- Non-return valve (integral to Jig Kit)

13- Filling loop (integral to Jig Kit)

14- Indirect cylinder expansion vessel

15- Expansion relief valve

16- Drain valve

17- Safety valve (3 bar)

18- Pressure gauge

19- Circulation pump with automatic air release valve

20- Expansion vessel

21- Condensate trap inspection cap

22- Condensate trap

23- Condensate discharge tube

24- Condensate trap inlet

25- Injector

3. COMMISSIONING

3.1.INITIAL PREPARATION

MTS (GB) Limited support the initiative. Within the

information pack you will find a copy of the logbook. It is important that this is completed in the presence of your customer, they are shown how to us it, and it is signed by them. Please instruct

your customer that they must have their logbook with them whenever they contact a service engineer or us.Preliminary electrical system checks to ensure electrical safety must be carried out by a competent person i.e. polarity, earth continuity, resistance to earth and short circuit.

FILLING THE HEATING SYSTEM:

Remove the panels of the case and lower the control panel (see section 3.2. for further information).

Open the central heating flow and return cocks supplied with the connection kit.

Unscrew the cap on the automatic air release valve one full turn and leave open permanently.

Close all air release valves on the central heating system. Gradually open valve(s) at the filling point (filling-loop) connection to the central heating system until water is heard to flow, do not open fully.

Open each air release tap starting with the lower point and close it only when clear water, free of air, is visible.

Purge the air from the pump by unscrewing the pump plug and also manually rotate the pump shaft in the direction indicated by the pump label to ensure the pump is free.

Close the pump plug.

Continue filling the system until at least 1 bar registers on the pressure gauge.

Inspect the system for water soundness and remedy any leaks discovered.

FILLING OF THE D.H.W. SYSTEM:

Close all hot water draw-off taps.

Open the cold water inlet cock supplied with the connection kit. Open slowly each draw-off tap and close it only when clear water, free of bubbles, is visible

GAS SUPPLY:

Inspect the entire installation including the gas meter, test for soundness and purge, all as described in BS 6891:1988.

Open the gas cock (supplied with the connection kit) to the appliance and check the gas connector on the appliance for leaks.

When the installation and filling are completed turn on the central heating system (sect. 3.4) 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.

During this operation, we highly recommend the use of a central heating flushing detergent (Fernox Superfloc or equivalent), whose function is to dissolve any foreign matter that may be in the system.

Substances different from these could create serious problems to the pump or other components.

The use of an inhibitor in the system such as Fernox MB-1 or equivalent is strongly recommended to prevent corrosion (sludge) damaging the boiler and system.

Failure to carry out this procedure may invalidate the appliance warranty.

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Contents Condensing Table of Contents General InformationInstallation Overall ViewReference Standards Overall Dimensions Rffi SystemSiting the Appliance Mffi Mffi System Minimum ClearancesGAS Connection Mounting the ApplianceMffi System Water ConnectionsFlue Connections Terminal PositionAccessory Connection Room Thermostat ConnectionConnections to the P.CB Under Floor Heating ConnectionElectrical Diagram JumperWater Circuit Diagrams C4 = TimerCommissioning Initial PreparationRemoving the Casing Control Panel Initial START-UPDisplay Messages Shown During Normal Operation Operating ParametersControl Modes Outdoor Sensor 275 Settings Display Setting the Temperature FieldRegulations Potentiometers Comfort KEYBoiler Safety Systems Pump OverrunRegulation Menu Table Combustion Analysis DrainingGAS Adjustments Changing the Type of GAS Operating TestsZone Valves Maintenance Cleaning the Primary ExchangerCleaning the Condensate Trap General RemarksOperational Test Technical Information Mffi Rffi SystemServicing Instructions Type C Boilers Fault Finding Replacement of Parts To Gain General Access Servicing InstructionsAccess to Removing the side panelsRemoving the sealed chamber front cover Combustion ChamberRemoving the fan Removing the burner Removing the electrodesRemoving the combustion chamber inspection panel Removing the condensate collector Removing the condensate trap Removing the injectorPage Access to the GAS Valve Removing the gas valveRemoving the safety valve Access to the Water CircuitRemoving the D.H.W. secondary exchanger Removing the main circuit flow switch Removing the D.H.W. flow switchRemoving the automatic air vent Removing the diverter valve actuatorRemoving the pump Removing the pressure gauge Removing the expansion vesselRemoving the D.H.W. temperature probe N.T.C. Mffi only Removing the C.H. return temperature probe N.T.CRemoving the C.H. flow temperature probe N.T.C Access to the Control System Checking the fusesRemoving the time clock Removing the P.C.B.s Page Fault Finding Fault Finding GuideFLOW-CHARTS Model 24 Rffi System Model 24 MFFI/24RFFI System Is the FAN Heating flow temperature probe in open circuit Electrical Diagrams JumperC5 = Remote Control Bus+/Bus C1 = FANEcoGENUS 24 Mffi ecoGENUS 24 Rffi Short Spare Parts List Ariston EcoGENUS 24 Rffi System EcoGENUS 24 Rffi System Technical Service Hot Line 01494 Ecogenus 24 Mffi Serial 24MFFIPart Code Description

47-116-17 specifications

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