Protherm 100 Service Manual

THIS IS A CAT II2H3+ APPLIANCEUSER, INSTALLATION, ANDSERVICING INSTRUCTIONSWall hung combination boilerPROTHERM 100ECTechnical Advice & After Sale

9INSTALLATION SECTIONClearances To allow for servicing, the boiler should be installed with the following clearances: 50 mm either side of the boile

10HEATING SYSTEM DESIGNThe Protherm 100EC is compatible with any type of sealed system installation, i.e. radiators, fan convec-tors etc.Pipe sectiona

11Safety valve dischargeWARNING: It must not discharge above an entrance or window or any type of public access area.Connect the safety valve discharg

12Diagram 7BOILER TEMPLATEBoiler connectionsA Heating flowB Hot water outletC Gas connectionD Cold water mains inletE Heating returnF Safety valve dis

13HORIZONTAL FLUE INSTALLATIONA Air inlet pipeB TerminalC Seal and clampD ElbowE GasketF ScrewsG External rubber sealing collarI Internal plastic coll

14Diagram 10VERTICAL FLUE INSTALLATION• Fit gasket (E) onto underside of vertical adaptor (O) – see diagram 10.• Carefully insert ‘O’ ring (J) into ve

15FLUE CONFIGURATIONSDiagram 11

16ELECTRICAL CONNECTIONWarning: This boiler must be earthed.All system components must be of an approved type.Connection of the whole electrical syste

17COMMISSIONINGThe commissioning and first firing of the boiler must only becarried out by a competent person.To gain access to the inside of the boil

18Diagram 15• Check that there is a constant pressure of 20 mbar for Natural gas (28 – 30 mbar for Butane or 37 mbar forPropane). If the pressure is i

1Protherm 100ECMandatory warning for CE countriesWARNING, these appliances were designed, approved and inspected to meet therequirements of the Englis

19SERVICING INSTRUCTIONSTo ensure the continued efficient and safe operation of the boiler, it is recommended that it is checked andserviced at regula

20Diagram 19REPLACEMENT OF PARTSTo gain access to the boiler components, proceed as follows:• Isolate boiler from electrical supply.• Remove outer cas

21To replace pumpDrain down heating circuit only of boiler as follows:• From below boiler, close isolating valves on flow andreturn connections to boi

22Diagram 23To replace heating water thermistor• Locate thermistor (b) clipped onto flow pipe to left hand side of sealed chamber below overheat therm

23SCHEMATIC WIRING DIAGRAMDiagram 25

24FAULT FINDINGBefore fault finding, make sure that:- All gas cocks are open and there is an inlet gas pressure of 20 mbar (G 20).- The heating system

25Air pressure switch failure:If the fan and the pump is running but the boiler doesn’t light, check the air pressure switch.Blown fuses:If the main s

26PROTHERM 100EC – CONVERSION TO LPGNote: Conversion must only be carried out by a competent person• Isolate boiler from the gas and electrical suppli

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2Diagram 1USERS INSTRUCTIONSThe Protherm 100EC is a wall mounted combination boiler providing central heating and instantaneous do-mestic hot water.Th

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3The following information is displayed:• Actual heating temperature (°C) - LED (3) lights ondisplayed during standby• Actual domestic hot water tempe

4To set the correct time rotate the clock by hand until the current time is indicated by the arrow at the topof the clock.To operate the boiler accord

5INSTALLATION INSTRUCTIONSINTRODUCTIONThe Protherm 100EC is a wall mounted combination boiler providing central heating and instantaneous do-mestic ho

6TECHNICAL DATACE Certification ... n° ... 49AU

7Diagram 2Diagram 31 – Heating flow (pipe diameter 22 mm)2 – Hot water outlet (pipe diameter 15 mm)3 – Gas inlet (pipe diameter 22 mm)4 – Cold water m

8 1 – Air pressure switch 2 – Fan 3 – Combustion chamber 4 – Heat exchanger 5 – Burner 6 – Gas valve 7 – Expansion vessel 8 – Pump 9 – Water