Ariston 41-116-07 installation instructions A11 Overheat Thermostat

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2.11ELECTRICAL DIAGRAM

LEGEND:		A11 - Overheat Thermostat
		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.		Wh	-White
E - Reset Button		Bl	-Blue
F - Ignition Failure (Lockout) L.E.D.		Gry	-Grey
		Brn	-Brown
A01	- Pump Pressure Switch	Blk	-Black
A02	- Frost Thermostat	Rd	-Red
A03	- Modulator	Grn/Yll -Yellow/Green
A04	- Circulation Pump
A05	- Regulation Thermostat
A06	- External Control System
A07	- Time Clock Connector
A08	- External (Room) Thermostat
A09	- Air Pressure Switch
A10	- Fan

FIG. 2.12

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Contents Installation Instructions Type C Boilers Table of Contents General Information Flue connector Installation Overall Dimensions Supply must be fused at 3 a Residual Head of the Boiler Tonbridge Morley RoadKent TN9 1RA 60/100 mm 80 mm Type Exhaust Restrictor Maximum Risk of Condensation FormingExtension Piping not insulated Piping insulated SystemsRoom Thermostat Connection A11 Overheat Thermostat GAS and Water Circuits H.W. Storage Cylinder Model Domestic HOT Water Priority KIT CommissioningControl Panel Combustion Analysis Turn off the boiler Methane Gas G20 GAS AdjustmentsLiquid Butane Gas Liquid Propane Gas G30 G31 Maintenance Page Technical Information Technical Service Hot Line 01494Manufacturer Merloni TermoSanitari SpA Italy Servicing Instructions Type C Boilers Fault Finding Removing the front panel Servicing InstructionsRemoving the side panels Removing the sealed chamber front coverRemoving the burner and jets Removing the combustion coverRemoving the electrodes Removing the main heat exchanger Removing the fan Removing the air pressure switchSetting the minimum and the maximum power of the boiler Setting the gas pressuresGas escaping with an approved soap and water solution Setting pressure for soft ignitionRegulating the heating power for Butane gas G30 Regulating the heating power for Natural gas G20Regulating the heating power for Propane gas G31 Removing the gas valve Removing the spark generatorRemoving the safety valve Removing the pump pressure switchRemoving the automatic air vent 1. Unscrew valve top Z FIG Removing the pump Removing the expansion vessel Removing the pressure gaugeRemoving the frost thermostat Removing the overheat thermostatRemoving the regulation thermostat Removing the P.C.B.s Checking the fuseO1O1 P1 P1 Finding diagrams described in this chapter Fault FindingYES Mbar Electrical DiagramsSF008A MicroSYSTEM 21/28 Rffi Ariston B063 Technical Service Hot Line 01494 23 99 84 1550