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EASI-HEAT i
High efficiency combi boiler
Users Instructions
Installation &
Servicing
Instructions
EASI-HEAT i 25C G.C. N° 47-364-71
EASI-HEAT i 29C G.C. N° 47-364-72
THESE INSTRUCTIONS
TO BE RETAINED
BY USER
Vokèra is a licensed member of the Benchmark scheme
which aims to improve the standards of installation and
commissioning of domestic hot water systems in the UK.
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Related Manuals for Riello Vokera EASI-HEAT i
Summary of Contents for Riello Vokera EASI-HEAT i
- Page 1 EASI-HEAT i High efficiency combi boiler Users Instructions Installation & Servicing Instructions EASI-HEAT i 25C G.C. N° 47-364-71 EASI-HEAT i 29C G.C. N° 47-364-72 THESE INSTRUCTIONS TO BE RETAINED BY USER Vokèra is a licensed member of the Benchmark scheme which aims to improve the standards of installation and commissioning of domestic hot water systems in the UK.
- Page 2 1. THINGS YOU SHOULD KNOW ........... 2 SECTION 7 - WIRING DIAGRAMS ............. 36 2. GETTING STARTED ..............5 SECTION 8 - LPG INSTRUCTIONS ..........38 3. WHAT IF ..................8 Commissioning checklist ............39 SECTION 1 - DESIGN PRINCIPLES AND OPERATING Benchmark ................40-43 SEQUENCE ...................
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Page 3: Frost Protection System
FROST PROTECTION SYSTEM The EASI-HEAT i is equipped with a built-in frost protection system, this enables the boiler to over-ride the time controls – even if switched off – and operate the burner and/or pump, should the temperature drop below 5°C for the main and for the DHW line. - Page 4 1.10 SETTING PASSWORD, ACCESS AND PARAMETER MODIFICATION In the manual, whenever necessary - enter the password to access the parameters 1 88 - choose, modify and/or confirm parameters follow the sequences involved - see table - for more immediate action Actions Sequence password entry...
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Page 5: Getting Started
1.11 USER PROGRAMMABLE PARAMETERS Value USER Password Value set in Personalised level the factory values PARAMETERS min max SETTINGS MEASUREMENT UNIT USER 1.12 INFO MENU interface automatically quits the INFO menu if 0 1 3 iI 0 iI 0 no key is pressed iI 0 for 60 sec access to info menu... -
Page 6: Temporary Switch-Off
TEMPORARY SWITCH-OFF SUMMER MODE In the event of temporary absences (weekends, short breaks, The boiler activates the traditional DHW function. etc.) set the status of the boiler to OFF. WINTER SUMMER 50 4 SETTING THE HEATING SETPOINT While the electrical supply and the fuel supply remain active, the boiler is protected by the systems: 0 0 6 ƒ... - Page 7 2.12 FEEDER BOTTLE FUNCTION The Feeder Bottle function is used to block the value of the DHW setpoint, to prevent anyone from accidentally modifying it. To activate the function from the setpoint DHW screen: With fault A40 on the boiler it is necessary to top-up the system pressure in the following way: 5 7 2 - locate the filling valve connections (usually beneath the boiler,...
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Page 8: What If I Have Frequently To Top-Up The System
ERROR CODE ERROR MESSAGE DESCRIPTION OF TYPE OF ALARM Flame lockout Condensate drain obstructed defi nitive Flue gas exhaust/air suction obstructed Extraneous fl ame transitional Limit thermostat defi nitive Fan fault defi nitive Fill the system defi nitive Fill the system transitional Pressure transducer fault defi... -
Page 9: Installation And Servicing Instructions
INSTALLATION AND SERVICING INSTRUCTIONS INTRODUCTION All installers are asked to follow the Benchmark Scheme by EASI-HEAT i boiler complies with basic requirements of the adhering to the Code of Practise, details of which can be ob- following Directives: tained from www.benchmark.org.uk. - Regulation (EU) 2016/426;... -
Page 10: Design Principles And Operating Sequence
DESIGN PRINCIPLES AND OPERATING SEQUENCE PRINCIPLE COMPONENTS Thereafter, the boiler’s output will either be increase to maximum or modulate to suit the set requirement. When the appliance • A fully integrated electronic control board featuring electronic reaches the desired temperature the burner will shut down and temperature control, anti-cycle control, pump over-run, self- the boiler will perform a three-minute anti-cycle (timer delay). -
Page 11: Technical Data
TECHNICAL DATA Central Heating EASI-HEAT i 25C EASI-HEAT i 29C Heat input (kW) 20.00*** 25.00*** Maximum heat output (kW) 60/80°C 19.38 24.38 Minimum heat output (kW) 60/80°C 2.94 3.79 Maximum heat output (kW) 30/50°C 20.92 26.78 Minimum heat output (kW) 30/50°C 3.04 4.09 Heat input range rated (Qn) (kW) - Page 12 Flue Details (concentric 60-100) EASI-HEAT i 25C EASI-HEAT i 29C Maximum horizontal flue length (60/100mm) 5.85m 4.85m Maximum vertical flue length (60/100mm) 6.85m 5.85m Efficiency EASI-HEAT i 25C EASI-HEAT i 29C SEDBUK 2005 (%) 89.8 90.0 Emissions EASI-HEAT i 25C EASI-HEAT i 29C CO2 @ maximum output (%) CO2 @ minimum output (%)
- Page 13 PUMP DUTY Fig. 4 shows the flow-rate available – after allowing for pressure loss through the appliance – for system requirements. When using this graph, apply only the pressure loss of the system. Variable speed circulator The modulating circulator function is active only in the heating function. When switching the three-way to the domestic hot water, the circulator always works at maximum speed.
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Page 14: General Requirements (Uk)
GENERAL REQUIREMENTS (UK) BS 5440 PART 1 FLUES BS 5440 PART 2 FLUES & VENTILATION BS EN 12828 DESIGN FOR WATER-BASED HEATING SYSTEMS BS 5546 INSTALLATION OF GAS HOT WATER SUPPLIES FOR DOMESTIC PURPOSES BS 6798 INSTALLATION OF BOILERS OF RATED INPUT NOT EXCEEDING 60kW BS 6891 LOW PRESSURE INSTALLATION PIPES APPLICATION, SELECTION, AND INSTALLATION OF EXPANSION VESSELS AND... -
Page 15: Electrical Supply
3.6.6 FILLING POINT *Water treatment of the complete heating system - including A method for initial filling of the system and replacing water lost the boiler - should be carried out in accordance with BS 7593 during servicing etc. directly from the mains supply, is required and the Domestic Water Treatment Association’s (DWTA) code of practice. - Page 16 3.6.6E FILLING POINT Where the installation of the appliance will be in an unusual location special procedures may be necessary, refer to I.S. 813 A method for initial filling of the system and replacing water lost for detailed guidance on this aspect. during servicing etc.
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Page 17: Installation
INSTALLATION NOTE Reduction for additional bends Please refer to 3 - 3E and use the appropriate PPE when Bend Reduction in maximum flue length for each bend carrying out any of the actions or procedures contained within 45º bend 1.0 metre this section. -
Page 18: Concentric Vertical Flue
4.5.2 CONCENTRIC VERTICAL FLUE Fig. 9 Using Fig. 13 as a reference, cut a 110mm diameter hole in the roof and/or ceiling to facilitate the route of the vertical flue system. NOTE: ensure that the top of the appliance - if already in position - is covered and protected from the possibility of any dust or debris falling or entering the appliance via the flue outlet. -
Page 19: Connecting The Gas & Water
NOTE: depending on system requirements, it may necessary to increase the size of the flow & return pipe work after the service valve connections. 4.3.3 COLD WATER INLET The appliance is supplied with a 15mm stopcock, connect a 15mm pipe to the inlet of the stopcock and tighten both nuts. 4.3.4 HOT WATER OUTLET The appliance is supplied with a 15mm outlet connection, connect a 15mm pipe to the outlet connection and tighten both nuts. -
Page 20: Electrical Connections
CASING REMOVAL The condensation exhaust system must be dimensioned and installed in such a way as to guarantee the correct evacuation of To gain internal access to the appliance you must first remove the condensation produced by the appliance and/or collected by the casing, proceed as outlined below: •... -
Page 21: Commissioning And Operation
COMMISSIONING & OPERATION FINAL FLUSHING OF THE HEATING NOTE: please refer to 3 - 3E and use the appropriate PPE when carrying out any of the actions or procedures contained SYSTEM within this section. The system shall be flushed in accordance with BS 7593 (I.S. 813 ROI). -
Page 22: Control Panel
CONTROL PANEL Your boiler is equipped with a large LCD display that indicates the appliance operating status. Note: values in thousands are displayed/100, for example 6500 rpm = 65.0 5 0 8 Connection to a WIFI device DHW setpoint adjustment A and B Parameter selection Fault or deadline timer call for service... -
Page 23: User Level
0 04 0 06 1 88 USER LEVEL 2 sec P AS 0 00 1 88 INSTALLER (18) and SERVICE (53) LEVEL second long press 0 04 1 88 1 88 password setting first menu parameter confirm password access to the chosen parameter parameter choice confirmation of the new value and return to previous level... -
Page 24: Initial Lighting
5.10 INITIAL LIGHTING 5.13 SETTING THE HEATING SETPOINT ƒ Position the system’s main switch to the “on” position. ƒ Open the gas tap to allow the fuel to flow. ƒ When the power is enabled, all the icons and segments will light up for 1 sec and the firmware revision will be visual- 0 0 6 ised for 3 sec:... -
Page 25: "Dhw Comfort" Function
TYPE OF BUILDING (parameter 432) In this case, when the CONTACT is CLOSED, the heat re- It is indicative of the frequency with which the value of the cal- quest is made by the flow sensor, on the basis of the outdo- culated outdoor temperature for thermoregulation is updated, a or temperature, to obtain a nominal ambient temperature on low value for this value will be used for buildings that have little... -
Page 26: Combustion Analysis
5.19 FEEDER BOTTLE FUNCTION 5.21 COMBUSTION ANALYSIS The Feeder Bottle function is used to block the value of the DHW setpoint, to prevent anyone from accidentally modifying Checks to verify the adjustments of the CO2 values in it. To activate the function from the setpoint DHW screen: relation to the reference parameters (given in the tables below) must be carried out with the casing closed. -
Page 27: Range Rated
After completing the check: ƒ to adjust the CO value: ƒ quit the function by pressing ƒ rotate the max. power adjustment screw clockwise to redu- ce the value, or anti-clockwise to increase it ƒ rotate the min. power adjustment screw clockwise to incre- ase the value, or anti-clockwise to reduce it ƒ... -
Page 28: Safety Stop
Reset function Press to restore operation. After filling, run a venting cycle. To reset boiler operation in the event of a fault, press: If the pressure drop is very frequent, contact the Technical Assistance Centre. Fault A60: indicates a fault on the DHW probe; notwithstan- ding this, the appliance will continue to provide hot water at ap- proximately 50°C. -
Page 29: Replacing The Board
5.27 KEYBOARD LOCK FUNCTION 5.30 TEMPORARY SWITCH-OFF To lock the keys In the event of temporary absences (weekends, short breaks, etc.) set the status of the boiler to OFF. 5 0 8 L c o >2 sec press again to unlock While the electrical supply and the fuel supply remain active, the boiler is protected by the systems: If there is a fault, key 2 remains active to allow the alarm to... -
Page 30: Programmable Parameters
5.32 PROGRAMMABLE PARAMETERS Some information might not be available depending on the access level, machine status or system configura- A list of the programmable parameters is given below: USER tion. (level always available) and INSTALLER (access with pass- word 18); for a detailed explanation of the parameters, refer to paragraph “5.33 Parameters description”. -
Page 31: Parameter Description
5.33 PARAMETERS DESCRIPTION Some of the following functions may not be available depen- ding on the machine type and access level. PARAMETER DESCRIPTION To alter the measurement unit: 0 = METRIC measurement units / 1 = IMPERIAL measurement units. The fi gures are expressed in decimal format (one fi gure) for values between -9°C and +99°C, and in whole number format for values ≤... - Page 32 Used to set the number of the compensation bend used by the boiler in temperature control mode. Factory value = 2.0 for high temperature systems, and 0.5 for low temperature systems. The parameter can be programmed within the range 1.0 - 3.0 for high temperature systems, or 0.2 - 0.8 for low temperature systems. See para- graph “Setting the thermoregulation”...
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Page 33: Final Checks
5.35 FINAL CHECKS ƒ Vacuum away any residue produced by the cleaning. ƒ Rinse with water, being careful NOT to damage the retarder • ENSURE ALL TEST NIPPLES ON THE APPLIANCE GAS insulation panel. VALVE ARE TIGHT AND CHECKED FOR TIGHTNESS. •... - Page 34 Replacing the burner insulating panel ƒ Unscrew the ignition/detection electrode fixing screws and remove it. ƒ Remove the burner insulating panel (D) by inserting a blade underneath the surface (as shown in the figure). ƒ Remove any fixing glue residue. ƒ...
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Page 35: Replacement Of Components
SECTION - SERVICING INSTRUCTIONS GENERAL UNSCHEDULED MAINTENANCE The appliance incorporates software that monitors the Once the appliance has been serviced, the benchmark Service operating conditions of the appliance, and will record any Record must be completed. ‘unusual usage conditions’ that will affect the requirement to For UK only remove and clean the burner/heat exchanger assembly. -
Page 36: Wiring Diagrams
WIRING DIAGRAMS NOTE Please refer to 3 - 3E and use the appropriate PPE when carrying out any of the actions or procedures contained within this section. EXTERNAL WIRING The appliance comes with a factory fitted link (TA at Plug X11) to allow basic operation of the boiler via the OFF/SUMMER/ WINTER select button (1 - see 1.9). -
Page 37: Functional Diagram
FUNCTIONAL DIAGRAM F.M. P.T. D.H.W.T F.O.H.T. F.T. R.S. F Lv -t° -t° -t° F.S. -t° Voltage free contact input AKJ01... F=4A T ACC1 S.S.E. GAS VALVE 230 V F1= 3.15A F blue (-) brown (+) pink F Hv NOTA : L-N- E connection is advisable Fig. -
Page 38: Lpg Instructions
LPG INSTRUCTIONS RELATED DOCUMENTS BS 6798 INSTALLATION OF BOILERS OF RATED INPUT NOT EXCEEDING 60 kW BS EN 12828 DESIGN FOR WATER-BASED HEATING SYSTEMS BS 5446 INSTALLATION OF GAS HOT WATER SUPPLIES FOR DOMESTIC PURPOSES BS 5440 PARTS 1 & 2 FLUES & VENTILATION BS 6891 SPECIFICATION FOR THE INSTALLATION AND MAINTENANCE OF LOW PRESSURE GAS INSTALLATION PIPEWORK OF UP TO 35 mm... - Page 39 COMMISSIONING: CO AND COMBUSTION RATIO CHECK BEFORE CO AND COMBUSTION RATIO CHECK NOTE The installation instructions should have been followed, gas type verified and gas supply pressure/rate checked as required The air/gas ratio valve is factory-set and must not be prior to commissioning.
- Page 40 Benchmark Commissioning & Warranty Validation Service Record It is a requirement that the boiler is installed and commissioned to the manufacturers’ To instigate the boiler warranty the boiler needs to be registered with the manufacturer within one month of the installation. The warranty rests with the end-user (consumer), and they should be made aware it is ultimately their responsibility to register with the manufacturer, within the allotted time period.
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Page 41: Condensate Disposal
GAS BOILER SYSTEM COMMISSIONING CHECKLIST & WARRANTY VALIDATION RECORD Address: Boiler make and model: Boiler serial number: Commissioned by (PRINT NAME): Gas Safe registration number: Company name: Telephone number: Company email: Company address: Commissioning date: Heating and hot water system complies with the appropriate Building Regulations? Time, temperature control and boiler interlock provided for central heating and hot water Boiler Plus requirements (tick the appropriate box(s)) Weather compensation... - Page 42 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER SERVICE/INTERIM WORK ON BOILER Date:...
- Page 43 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER SERVICE/INTERIM WORK ON BOILER Date:...
- Page 44 Vokèra Warranty Terms and Conditions Vokèra Ltd offer customers the comfort of a parts and labour warranty repair service subject to the following terms and conditions. Vokèra Ltd only obligation under the guarantee shall be to repair or replace the faulty appliance at Vokèra Ltd discretion.
- Page 45 Health & Safety: Engineers will only attend to boiler products where it is considered by the engineer that the installation does not pose a risk to health and safety. A permanently fixed access ladder must service installations in lofts or attics. Adequate lighting and permanently fixed flooring must also be available.
- Page 48 RANGE RATED - EN 15502-1 The max CH input of this boiler has been adjusted to_____ kW, equivalent to _____ rpm max CH fan speed. Date___/____/____ Signature _____________________ Boiler serial number _____________________ Registered address: Vokèra Ltd Borderlake House Unit 7 Riverside Industrial Estate London Colney Herts AL2 1HG www.vokera.co.uk...