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Supplied By www.heating spares.co  Tel. 0161 620 6677

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80EC

Protherm 80EC

Mandatory warning for CE countries

WARNING

, these appliances were designed, approved and inspected to meet the

requirements of the English market. The identification plate located on the inside of the appliance

certifies the origin

 where the product was manufactured and the 

country

for which it is intended.

If you see any exception to this rule, please contact your nearest stockist.

Thank you in advance for your assistance.

Note:

 The boiler serial number is marked on the data label attached to the fascia behind the front panel.

Refer to the ‘Introduction’ section for a description of the basic functions of the boiler. The ‘User’ section

describes how to safely operate the boiler.

Users’ Instructions

Introduction ............................................................................................................................ 2
Controls and lighting .............................................................................................................. 2
Draining and filling .................................................................................................................. 4
Heating safety valve .............................................................................................................. 4
Servicing/maintenance ........................................................................................................... 4
Cleaning ................................................................................................................................. 4
Boiler casing .......................................................................................................................... 4

Installation Instructions

Introduction ............................................................................................................................ 5
Technical data ........................................................................................................................ 6
Dimensions ............................................................................................................................ 7
Pressure available ................................................................................................................. 7
Boiler schematic .................................................................................................................... 8
Installation section ................................................................................................................. 9
Terminal positions .................................................................................................................. 9
Heating and hot water system design .................................................................................. 10
Boiler installation ................................................................................................................  11
Boiler template ..................................................................................................................... 12
Telescopic horizontal flue installation ................................................................................... 13
Classic horizontal flue installation ........................................................................................ 15
Vertical flue installation ........................................................................................................ 16
Flue configurations ............................................................................................................... 17
Electrical connection ............................................................................................................ 18
Commissioning .................................................................................................................... 19

Servicing Instructions

Routine cleaning and inspection ........................................................................................... 21
Replacement of parts ........................................................................................................... 22
Schematic wiring diagram .................................................................................................... 25
Fault finding ......................................................................................................................... 26
Conversion to LPG ............................................................................................................... 28

Summary of Contents for 80EC

Page 1: ...ating spares co Tel 0161 620 6677 THIS IS A CAT II2H3 APPLIANCE USER INSTALLATION AND SERVICING INSTRUCTIONS Wall hung combination boiler PROTHERM 80EC TechnicalAdvice After Sales Service 01773 828100 4716 221931A 05 01 ...

Page 2: ...Supplied By www heating spares co Tel 0161 620 6677 ...

Page 3: ... for a description of the basic functions of the boiler The User section describes how to safely operate the boiler Users Instructions Introduction 2 Controls and lighting 2 Draining and filling 4 Heating safety valve 4 Servicing maintenance 4 Cleaning 4 Boiler casing 4 Installation Instructions Introduction 5 Technical data 6 Dimensions 7 Pressure available 7 Boiler schematic 8 Installation secti...

Page 4: ... immediately Important notice A central heating system cannot operate satisfactorily unless it is properly filled with water and unless the air initially contained in the piping systems has been properly bled off If these conditions are not satisfied air noise will occur within the system and the boiler may fail to operate Air in the heating system Persistent air in the heating system may indicate...

Page 5: ...ing setting summer mode setting Press Mode button until LED 3 flashes Using buttons 6 and 9 set the desired heating temperature Setting steps 45 50 55 60 65 70 75 80 85 C Set if only hot water is required summer mode Press Mode button to save new setting The heating will operate according to the requirements of the timeclock and or room thermostat if fitted or will operate according to the system ...

Page 6: ...staller Service Provider DRAINING AND FILLING CAUTION The boiler is installed as part of a sealed system which must only be drained and filled by a competent person If the pressure drops to 0 8 bar the pressure LED on the Bar button starts to flash The boiler will continue to work but the LED warns that pressure in the CH system is on the low limit and CH system must be filled To fill the system o...

Page 7: ...d economical use of your boiler The boiler has a fan assisted balanced flue which both discharges the product of combustion to and draws the combustion air from the outside of the building Accessories A range of accessories are available including vertical flue components For further information contact you nearest stockist Gas Safety Installation and Use Regulations In the interests and that of g...

Page 8: ...11 2 Flow rate at 35 C temperature rise l min 9 6 Min water flow l min 2 Max min supply pressure bar 6 1 Temperature range C 40 60 ELECTRICAL DATA Voltage frequency V Hz 230 50 Current A 0 6 Power W 135 Level of protection IP IP 44 DIMENSIONS Width height depth mm 410 740 320 Weight kg 35 CONNECTIONS Heating flow return mm 22 Domestic Water inlet outlet mm 15 Gas mm 22 Flue products outlet air inl...

Page 9: ...2 Diagram3 1 Heating flow pipe diameter 22 mm 2 Hot water outlet pipe diameter 15 mm 3 Gas inlet pipe diameter 22 mm 4 Cold water mains inlet pipe diameter 15 mm 5 Heating return pipe diameter 22 mm 6 Wall 7 Wall fixings 8 Outer cover DIMENSIONS AND PRESSURE AVAILABLE ...

Page 10: ...nsion vessel 8 Pump 9 Water flow sensor 10 Safety valve 11 Heating return 12 Domestic cold water inlet 13 Gas inlet 14 DHW thermistor 15 DHW outlet 16 Automatic by pass 17 Heating flow 18 Drain point 19 Water pressure sensor 20 3 way valve 21 Actuator 22 Domestic heat exchanger 23 CH temperature sensor 24 High limit thermostat Diagram4 BOILER SCHEMATIC ...

Page 11: ...al to obstructions and ventilation openings are shown in diagram 5 below Diagram5 Minimum dimensions in mm for the positioning of flue terminals a Under a window 300 b Under an air vent 300 c Under a gutter 75 d Under a balcony 300 e From an adjacent window 300 f From an adjacent air vent 300 g From vertical drain pipes or soil pipes 75 h From an external corner of the building 300 i From an inter...

Page 12: ... pressure of 3 bar This pressure setting can be modified at commissioning stage if the static head differs Provision shall be made for a drain valve at the lowest point of the system Thermostatic radiator valves are permitted however not all radiators must be fitted with this type of valve and particularly where the room thermostat is fitted A WRC approved filling loop is supplied with the boiler ...

Page 13: ...ations The local water company Bylaws The Building Standards Regulations Scotland The Health and Safety at Work Act Sheet metal parts WARNING When installing or servicing this boiler care should be taken when handling the edges of sheet metal parts to avoid the possibility of personal injury Installing the boiler Prior to installing the boiler the system must be thoroughly flushed to eliminate any...

Page 14: ... heating spares co Tel 0161 620 6677 12 80EC Diagram7 BOILER TEMPLATE Boiler connections A Heating flow B Hot water outlet C Gas connection D Cold water mains inlet E Heating return F Safety valve discharge connection ...

Page 15: ...he required length making sure that the minimum overlap is no less than 25 mm and that the flue terminal projects 15 mm minimum beyond wall face see diagram a2 Carefully drill though air duct pilot hole and secure with self tapping screw provided in fittings pack see diagram a2 Seal the joint with tape provided If the flue system requires the addition of flue extension kits drill seal and secure t...

Page 16: ...M U M I X A M E U L F H T G N E L M O R F E C N A T S I D M U M I X A M G N I T N U O M R E L I O B L A N R E T X E O T E C A F B E C A F L L A W O T G N I S A C R E L I O B L L A W L A N R E T X E A E C A F D T S P O T R A E R E D I S 5 7 5 7 0 6 1 0 6 1 0 7 5 0 7 5 5 8 4 5 6 4 D T X E P O T R A E R E D I S 5 7 5 7 0 6 1 0 6 1 0 4 8 0 4 8 5 5 7 5 3 7 ...

Page 17: ...nst outside wall Fit seal and clamp C to flue and assemble into elbow D making sure that both inner and outer pipes are sealed properly Note Maximum horizontal length with no bends is 4 m For horizontal flue lengths up to 1 m the restrictor must be left in the fan outlet see diagram 9 For horizontal flue lengths between 1 and 4 m remove the restrictor R Tighten up clamp using screws provided Note ...

Page 18: ...ght joint Note Maximum vertical height with no bends is 9 m Should it be necessary to cut the flue always cut equal amounts from both inner and outer pipes Connect condensate trap supplied to vertical flue adaptor when flue length exceeds 3 m Connect 15 mm plastic pipe not supplied to a suitable drain For vertical flue lengths up to 4 m the restrictor must be left in the fan outlet see diagram 9 F...

Page 19: ...Supplied By www heating spares co Tel 0161 620 6677 17 80EC FLUE CONFIGURATIONS Diagram 1 1 ...

Page 20: ...s fitted Thermostatic radiator valves may be installed in addition to the room thermostat Note For further information seeThe Building Regulations 1991 Conservation of fuel and power 1995 edition Appendix G table 4b DO NOT INTERRUPTTHE MAINS SUPPLYTOTHE BOILERWITH ATIME SWITCH OR PROGRAMMER The Protherm 80EC is delivered with 1metre mains supply lead ready connected The electrical supply cable is ...

Page 21: ...ap Open various hot water taps to bleed hot water circuit Make sure that pressure is between 1 and 2 bar Re pressure as necessary Important When venting air from boiler do not touch the schrader valve on the expansion vessel it is NOT a vent Starting the boiler Before starting the boiler check that The gas meter tap is open The boiler gas service cock is open The water isolating cocks are open The...

Page 22: ...utomatically restarted If the boiler does not restart the overheat device may need resetting Overheat safety In the event of overheating the overheat safety device causes safety shut down of the boiler The digital display will show error code F1 To reset let the boiler cool down press the reset button on the safety devices a and c see diagram 22 and reset boiler controls by means of the reset butt...

Page 23: ...r cover and remove cover Disconnect flame sense electrode 1 and ignition lead at gas valve module Disconnect ignition earth lead 2 Undo nuts A securing gas supply pipe between burner and gas valve and remove pipe see diagram 17 Note The washer between the burner and burner gas supply must be kept to use on reasembly Unscrew 2 nuts B securing burner to base of sealed cham ber Undo screws C holding ...

Page 24: ...remove switch Fit replacement switch in reverse order to removal Fit electrical connections to replacement switch Refit clear plastic tube to switch connection L To replace gas valve module Locate gas valve module attached to side of gas valve see diagram 19 Unscrew screw a securing cover onto gas valve module Remove cover and disconnect multi plug from module Disconnect ignition and flame sense l...

Page 25: ...se order to removal Important Seal the safety valve thread by jointing compound To replace domestic heat exchanger Drain down heating circuit of boiler as described previ ously Drain down hot water circuit of boiler as follows From below of boiler close cold water inlet isolating valve Open a hot tap to drain hot water circuit Remove gas valve Unclip pump and pull forwards Disconnect expansion fle...

Page 26: ... operation Remove PCB cover as described in To replace PCB Pull off electrical plug of display A from PCB see diagram 23 Remove 4 screws securing PCB to panel and lift out PCB Remove 4 screws securing display and control panel bord to panel and gently lift it out Fit replacement display and control panel board in re verse order to removal To replace timeclock Remove PCB cover as described in To re...

Page 27: ...Supplied By www heating spares co Tel 0161 620 6677 25 80EC SCHEMATIC WIRING DIAGRAM Diagram 25 ...

Page 28: ...ic error messages will be displayed Message Fault Action Comments F0 Loss of system water Refill system Pump runs for one Check for leaks minute Boiler is restarted by switching of main switch Air lock in boiler Bleed boiler and system Pressure sensor failure Check the pressure sensor Sensing inlet must not be clogged F1 No flame detected Check flame sense electrode and connecting cable Check igni...

Page 29: ...limit and must be pressurised Nevertheless the boiler works until the pressure drops to 0 6 bar then boiler shuts down and F0 is displayed DHW flow is poor If DHW floor is poor or boiler does not start when hot water tap is open check following Cold water supply pressure is at least 1 bar Check if the cold water filter or flow regulator plastic O ring is not clogged Check free movement of the magn...

Page 30: ...moval Readjust the gas valve GASVALVE ADJUSTMENT To adjust the minimum and maximum settings proceed as follows Gain access to the rear of the controls housing Connect a manometer to the burner pressure test point 2 on the gas valve Minimum setting Start boiler in Central Heating mode boiler is working in mini mum output for 100 seconds Adjust the gas valve minimum pressure using screw C on gas val...

Page 31: ...Supplied By www heating spares co Tel 0161 620 6677 29 80EC ...

Page 32: ...Supplied By www heating spares co Tel 0161 620 6677 27 March 2001 ...

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