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Easi-Heat Plus S
High efficiency system boiler
Users Instructions
Installation &
Servicing
Instructions
Easi-Heat Plus 24S G.C. N° 41-364-03
Easi-Heat Plus 30S G.C. N° 41-364-04
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 Plus 24S
Summary of Contents for Riello Vokera Easi-Heat Plus 24S
- Page 1 Easi-Heat Plus S High efficiency system boiler Users Instructions Installation & Servicing Instructions Easi-Heat Plus 24S G.C. N° 41-364-03 Easi-Heat Plus 30S G.C. N° 41-364-04 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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Page 2: Table Of Contents
1. THINGS YOU SHOULD KNOW ........... 3 SECTION 5 - COMMISSIONING ........... 18 GAS APPLIANCES ..............3 GAS SUPPLY INSTALLATION ..........18 ELECTRICAL SUPPLY ............3 THE HEATING SYSTEM ............18 WARRANTY REGISTRATION ..........3 INITIAL FILLING OF THE SYSTEM ........18 APPLIANCE COMMISSIONING CHECKLIST (UK only) .. -
Page 3: Things You Should Know
USERS INSTRUCTIONS INTRODUCTION Dear Customer Your Vokèra Easi-Heat Plus S boiler has been designed to meet and exceed the very latest standards in gas central heating technology, and if cared for, will give years of reliable use and efficiency. Please therefore take some time to read these instructions carefully. Do’s and Don’t’s - Do ensure that the system pressure is periodically checked - Do ensure that the boiler is not used by children or unassisted disabled people... - Page 4 Fig. 1 MODE SELECTOR SWITCH HEATING TEMPERATURE GREEN YELLOW PRESSURE SELECTOR GAUGE BOILER STATUS LED Green LED Boiler is working/responding to a heating/hot water request Yellow LED Boiler has identified a fault and has failed-safe. Refer to instructions on how to rest Red LED Service operation PRESSURE GAUGE...
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Page 5: Getting Started
2. GETTING STARTED 2.1 BEFORE SWITCHING ON 2.3 LIGHTING THE BOILER Before switching the appliance on, please familiarise yourself Ensure the gas and electrical supply to the boiler are with: turned on. - how to isolate the appliance from the gas, water, and electricity Turn the mode selector switch to the ON position. -
Page 6: What If
APPLIANCE STATUS LED AND FAULT CODES Alarm type Led RED Led YELLOW Led GREEN Action Purge cycle mode active BLINKING BLINKING BLINKING Alarm high limit thermostat Final BLINKING Reset appliance. Call engineer if fault re-occurs Alarm system water pressure Final Check/refill system pressure, reset, check. - Page 7 INSTALLATION AND SERVICING INSTRUCTIONS INTRODUCTION All installers are asked to follow the Benchmark Scheme by This booklet is an integral part of the appliance. It is therefore adhering to the Code of Practise, which can be obtained from necessary to ensure that the booklet is handed to the person www.centralheating.co.uk.
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Page 8: Section 1 - Design Principles And Operating Sequence
SECTION 1 - DESIGN PRINCIPLES AND OPERATING SEQUENCE 1.1 PRINCIPLE COMPONENTS • A fully integrated electronic control board featuring electronic temperature control, anti-cycle control, pump over-run, self- diagnostic fault indicator, full air/gas modulation • Aluminium heat exchanger • Electronic ignition with flame supervision •... -
Page 9: Section 2 - Technical Data
SECTION 2 - TECHNICAL DATA 2.1 Central Heating Easi-Heat Plus 24S Easi-Heat Plus 30S Heat input (kW) 25.00 29.00 Maximum heat output (kW) 60/80°C 24.18 28.10 Minimum heat output (kW) 60/80°C 4.79 5.84 Maximum heat output (kW) 30/50°C 25.88 30.02 Minimum heat output (kW) 30/50°C 5.36 6.39... - Page 10 Easi-Heat Plus 24S Water heating energy efficiency Seasonal space heating energy efficiency class class Parameter Symbol Value Unit Parameter Symbol Value Unit Seasonal space heating energy Rated heat output Prated ηs efficiency For boiler space heaters and boiler combination heaters: For boiler space heaters and boiler combination heaters: useful heat output useful efficiency...
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Page 11: Pump Duty
2.11 PUMP DUTY Fig. 6 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. This graph is based on a 20°C temperature differential. 1000 1100 Flow rate (l/h) -
Page 12: Section 3 - General Requirements (Uk)
SECTION 3 - GENERAL REQUIREMENTS (UK) BS 5440 PART 1 FLUES BS 5440 PART 2 FLUES & VENTILATION BS 5449 PART 1 FORCED CIRCULATION HOT WATER 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... -
Page 13: Electrical Supply
3.6.8 FREQUENT FILLING Frequent filling or venting of the system may be indicative of a leak. Care should be taken during the installation of the control appliance to ensure all aspects of the system are capable of valve withstanding pressures up to at least 3 bar. control temporary valve... -
Page 14: Air Supply
3A.5 AIR SUPPLY 3A.7 ELECTRICAL SUPPLY The following notes are intended for general guidance only. The appliance is supplied for operation on 230V @ 50Hz This appliance is a room-sealed, fan-flued boiler, consequently it electrical supply; it must be protected with a 3-amp fuse. The does not require a permanent air vent for combustion air supply. -
Page 15: Section 4 - Installation
SECTION 4 - INSTALLATION 4.1 DELIVERY Using the template provided (A), mark and drill a 125mm hole for the passage of the flue pipe. Each horizontal terminal, Due to the weight of the appliance it may be necessary for incorporates an incline on the inner (60mm) pipe; this enables the two people to lift and attach the appliance to its mounting. - Page 16 NOTE These instructions relate only to the Vokèra condensing 60/100mm concentric flue system. For specific details on the installation of the 80/125mm concentric flue system please re- fer to the instructions supplied. The vertical flue terminal can be connected directly to the ap- pliance flue outlet.
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Page 17: Connecting The Gas And Water
Fit the appropriate flashing plate to the roof and insert the 4.6.4 CONDENSE PIPE vertical flue terminal through the flashing plate from the outside, This appliance will - under normal operating conditions - produce condensate fluid that will require to be disposed of via ensuring that the collar on the flue terminal fits over the flashing. -
Page 18: Section 5 - Commissioning
4.7.3 CONNECTING THE MAINS (230V) INPUT Fig. 19 Unhook and remove the terminal block cover (230V). Pass the cable through the cable anchorage point. Connect the supply cable wires (LIVE, NEUTRAL, & EARTH) to their corresponding terminals (L, N, & E) on the appliance – high voltage – terminal block. -
Page 19: Final Flushing Of The Heating System
5.8 FINAL FLUSHING OF THE HEATING SYSTEM The system shall be flushed in accordance with BS 7593 (I.S. 813 ROI). Should a cleanser be used, it must be suitable for Aluminium heat exchangers. It shall be from a reputable manufacturer and shall be administered in strict accordance with the manufacturers’... -
Page 20: Section 6 - Servicing Instructions
SECTION 6 - SERVICING INSTRUCTIONS 6.1 GENERAL 6.4 COMPONENT REMOVAL PROCEDURE Once the appliance has been serviced, the benchmark Service To remove a component, access to the interior of the appliance Record must be completed. is essential. Isolate the appliance from the electrical supply and remove the fuse. -
Page 21: Lower Automatic Air Release Valve
Ensure that the correct jumper tag configuration has been respected. It will be necessary to check the functioning of the PCB is set for the correct boiler type/application. Fig. 24 Fig. 25 Fig. 27 6.7 LOWER AUTOMATIC AIR RELEASE VALVE (fig. 23) 6.12 GAS VALVE (fig. 28) Carry out component removal procedure as described in 6.4. -
Page 22: Flue Fan & Mixer
6.14 FLUE FAN & MIXER (fig. 30-31) 6.16 MAIN HEAT EXCHANGER (fig. 31) Carry out component removal procedure as described in 6.4. Carry out component removal procedure as described in 6.4. Remove the air chamber front cover. Locate and remove the gas Remove the air chamber front cover. Locate and remove the pipe locking pin (A1) and swing/rotate the gas pipe away from gas pipe locking pin (A1) and swing/rotate the gas pipe away the fan assembly (B1), (if necessary unscrew the gas pipe from... -
Page 23: Expansion Vessel Removal
6.18 EXPANSION VESSEL REMOVAL (fig. 33) 6.20 FLUE COLLECTOR REMOVAL (fig. 35) Carry out component removal procedure as described in 6.4. Carry out component removal procedure as described in Disconnect the expansion vessel from the flexible expansion 6.4. Remove the air chamber front cover. Remove the heat pipe. Disconnect the flexible expansion pipe from the vessel. exchanger as per 6.16. -
Page 24: Section 7 - Checks, Adjustments And Fault Finding
SECTION 7 - CHECKS, ADJUSTMENTS AND FAULT FINDING 7.1 CHECKING APPLIANCE OPERATION the heating temperature selector) as measured at the primary thermistor, the appliance will begin the modulation phase When carrying out any repairs or servicing to the appliance, whereby the fan and gas valve will continuously modulate to the relevant commissioning procedure must be undertaken to maintain the set-point. - Page 25 Press the CO button using the supplied screwdriver (fig. B). The value is confirmed and the three led come on fixed for 4350 about 4 sec. When the leds start flashing it is possible to 5000 3700 calibrate the next parameter. 5650 Live electrical parts (230 Vac).
- Page 26 Easi-Heat Plus 24S - Range rated HTG curve (Qnheating) 6400 6000 default setting 5600 5200 4800 4400 4000 3600 3200 2800 2400 2000 1600 1200 Heat output (kW) Easi-Heat Plus 30S - Range rated HTG curve (Qnheating) 6400 default 6000 setting 5600 5200...
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Page 27: Combustion Analysis Test
7.3.2 CO FUNCTION SETTINGS Locate the CO button (see 7.3) Select the main selector switch in position FUNCTIONS ACTION ON THE BUTTON LED STATUS combustion analysis mode press once = burner running at maximum heating yellow led blinking gas valve maximun setting (*) press twice = burner running at maximum DHW yellow led blinking + red led fixed gas valve minimum setting press three time = burner running at minimum... -
Page 28: Fault Finding
7.9 COMPONENT VALUES & CHARACTERISTICS 7.7.3 POLARITY CHECK With the appliance connected to the electrical supply and using COMPONENT VALUE a suitable multimeter, carry out the following voltage tests: 230Vac • connect test leads between the Live & Neutral connections Pump 230Vac at the appliance terminal strip. -
Page 29: Section 8 - Wiring Diagrams
SECTION 8 - WIRING DIAGRAMS 8.1 EXTERNAL WIRING 8.3 OTHER DEVICES The appliance can be integrated and/or used with a variety Contact the controls manufacturer and/or Vokera technical of heating controls; however caution should be exercised department should you require more specific information on when connecting any control directly to the appliance, i.e. - Page 30 FUNCTIONAL DIAGRAM Fig. 45...
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Page 31: Section 9 - Lpg Instructions
SECTION 9 - LPG INSTRUCTIONS 9.1 RELATED DOCUMENTS BS 5440 PARTS 1 & 2 FLUES & VENTILATION REQUIREMENTS BS 5449 PART 1 FORCED CIRCULATION OF HOT WATER SYSTEMS BS 5482 PART 1 DOMESTIC BUTANE & PROPANE GAS BURNERS IN PERMAMENT DWELLINGS BS 5546 INSTALLATION OF GAS HOT WATER SUPPLIES FOR DOMESTIC PURPOSES BS 6798... -
Page 32: Commissioning Checklist
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 33: Benchmark
Benchmark Commissioning and Servicing Section It is a requirement that the boiler is installed and commissioned to the manufacturers instructions and the data fields on the commissioning checklist completed in full. To instigate the boiler guarantee the boiler needs to be registered with the manufacturer within one month of the installation. - Page 34 GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failuretoinstallandcommissionaccordingtothemanufacturer’sinstructionsandcompletethisBenchmarkCommissioningChecklistwillinvalidatethe warranty.Thisdoesnotaffectthecustomer’sstatutoryrights.
- Page 35 SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider BeforecompletingtheappropriateServiceRecordbelow,pleaseensureyouhavecarriedouttheserviceasdescribedinthemanufacturer’sinstructions. Alwaysusethemanufacturer’sspecifiedsparepartwhenreplacingcontrols. SERVICE 01 SERVICE 02 Date: Date: Engineername: Engineername: Companyname: Companyname: TelephoneNo: TelephoneNo: GassaferegisterNo: GassaferegisterNo: Atmax.rate: COppm AND CO ²...
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Page 36: Range Rated
F 0344 391 0998 Vokèra Ireland West Court, Callan Co Kilkenny T 056 7755057 F 056 7755060 Vokèra Limited reserve the right to change specification without prior notice Consumers statutory rights are not affected. A Riello Group Company. Company Reg No: 1047779...
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