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Easi-Heat Plus C
High efficiency combi boiler
Users Instructions
Installation &
Servicing
Instructions
Easi-Heat Plus 25C G.C. N° 47-364-29 (NG)
Easi-Heat Plus 29C G.C. N° 47-364-30 (NG)
Easi-Heat Plus 32C G.C. N° 47-364-42 (NG)
Easi-Heat Plus 25C G.C. N° 47-364-33 (LPG)
Easi-Heat Plus 29C G.C. N° 47-364-34 (LPG)
Easi-Heat Plus 32C G.C. N° 47-364-43 (LPG)
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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Table of Contents
Related Manuals for Riello VOKERA Easi-Heat Plus C
Summary of Contents for Riello VOKERA Easi-Heat Plus C
- Page 1 Easi-Heat Plus C High efficiency combi boiler Users Instructions Installation & Servicing Instructions Easi-Heat Plus 25C G.C. N° 47-364-29 (NG) Easi-Heat Plus 29C G.C. N° 47-364-30 (NG) Easi-Heat Plus 32C G.C. N° 47-364-42 (NG) Easi-Heat Plus 25C G.C. N° 47-364-33 (LPG) Easi-Heat Plus 29C G.C.
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Page 2: Table Of Contents
Users instructions THINGS YOU SHOULD KNOW ..........1 3A.8 MOUNTING ON A COMBUSTIBLE SURFACE ....13 3A.9 TIMBER FRAMED BUILDINGS ........... 13 GAS APPLIANCES ..............1 3A.10 WATER TREATMENT ............13 ELECTRICAL SUPPLY ............1 3A.11 SHOWERS ................13 GUARANTEE REGISTRATION CARD ........1 3A.12 DECLARATION OF CONFORMITY ........ -
Page 3: Users Instructions
USERS INSTRUCTIONS INTRODUCTION Dear Customer Your Vokèra Easi-Heat Plus C 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 should not be used by children or unassisted disabled people... - Page 4 Fig. 1 MODE SELECTOR SWITCH HEATING YELLOW GREEN TEMPERATURE TEMPERATURE PRESSURE SELECTOR SELECTOR GAUGE BOILER STATUS LED Green LED Boiler is working/responding to a heating/hot water request Red LED Boiler has identified a fault and has failed-safe. Refer to instructions on how to reset Yellow LED DHW pre-heat function working/Service operation DHW TEMPERATURE SELECTOR Move the selector clockwise to increase the hot water outlet temperature, or counter-clockwise to reduce the temperature...
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Page 5: Getting Started
2. GETTING STARTED 2.1 BEFORE SWITCHING ON 2.3 LIGHTING THE BOILER Ensure the gas and electrical supply to the boiler are Before switching the appliance on, please familiarise yourself turned on. with: Turn the mode selector switch to the ON position. When there - how to isolate the appliance from the gas, water, and electricity is a request for heating or hot water via the time clock or pro- supplies;... -
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
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. -
Page 8: Section 1 - Design Principles And Operating Sequence
SECTION 1 - DESIGN PRINCIPLES AND OPERATING SEQUENCE 1.1 PRINCIPLE COMPONENTS 1.5 SAFETY DEVICES • A fully integrated electronic control board featuring electronic When the appliance is in use, safe operation is ensured by: temperature control, anti-cycle control, pump over-run, self- •... -
Page 9: Section 2 - Technical Data
SECTION 2 - TECHNICAL DATA 2.1 Central Heating Easi-Heat Plus 25C Easi-Heat Plus 29C Easi-Heat Plus 32C Heat input (kW) 20.00 25.00 25.00 Maximum heat output (kW) 60/80°C 19.50 24.45 24.45 Minimum heat output (kW) 60/80°C 4.91 5.90 5.90 Maximum heat output (kW) 30/50°C 20.84 26.23 26.23... - Page 10 Easi-Heat Plus 25C Seasonal space heating energy efficiency Water 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...
- Page 11 Easi-Heat Plus 32C Seasonal space heating energy efficiency Water 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 12: Pump Duty
2.13 PUMP DUTY Fig. 6 shows the flow-rate available – after allowing for pressure loss through the ap- pliance – for system requirements. When using this graph, apply only the pressure loss of the system. The graph is based on a 20 C temperature differential. -
Page 13: Section 3 - General Requirements (Uk)
SECTION 3 - GENERAL REQUIREMENTS (UK) This appliance must be installed by a competent person in ac- weather, water vapour will condense on leaving the terminal; cordance with the Gas Safety (Installation & Use) Regulations. the effect of such pluming must be considered. If installed less than 2m above a pavement or platform to 3.1 RELATED DOCUMENTS which people have access (including balconies or flat roofs) -
Page 14: Electrical Supply
3.11 SHOWERS 3.6.7 LOW PRESSURE SEALED SYSTEM An alternative method of filling the system would be from an If the appliance is intended for use with a shower, the shower independent make-up vessel or tank mounted in a position at must be thermostatically controlled and be suitable for use with least 1 metre above the highest point in the system and at least a combination boiler. -
Page 15: Gas Supply
If the gas supply serves more than one appliance, it must be 3A.6.6 FILLING POINT ensured that an adequate supply is maintained to each appli- A method for initial filling of the system and replacing water ance when they are in use at the same time. lost during servicing etc. -
Page 16: Section 4 - Installation
SECTION 4 - INSTALLATION 4.1 DELIVERY 20131979 Telescopic extension 372/519mm Due to the weight of the appliance it may be necessary for Plume management kit 1370mm two people to lift and attach the appliance to its mounting. The 20135587 100mm flue brackets (5) appliance is contained within a heavy-duty cardboard carton. - Page 17 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 refer to the instructions supplied. The vertical flue terminal can be connected directly to the appliance flue outlet. Alternatively, an extension or bend can be connected to the appliance flue outlet if desired, however if additional bends are fitted, a reduction must be made to the maximum flue length (see table below).
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Page 18: Connecting The Gas And Water
4.6 CONNECTING THE GAS AND WATER Ensure that the end-user is aware of the effect/consequences of the condensate pipework becoming blocked or frozen. The appliance is supplied with an accessory pack that includes service valves. The service valves are for welding. The accessory 4.6.7 CONNECTING THE CONDENSATE OUTLET pack contains sealing washers’... -
Page 19: Section 5 - Commissioning
5.3.1 MANUAL AIR RELEASE (fig. 19) When the boiler has been filled for the first time or the system has been drained and refilled, it will be necessary to release any air that may have become trapped within the appliance heat exchanger. Slacken the bleed screw until water is released and then close. -
Page 20: Final Flushing Of The Heating System
5.9 FINAL FLUSHING OF THE HEATING SYSTEM 5.122 FLOW-RATE RESTRICTOR The boiler is supplied with the following flow restrictor. The system shall be flushed in accordance with BS 7593 (I.S. Easi-Heat Plus 25C: 8 - litres flow restrictor 813 ROI). Should a cleanser be used, it must be suitable for Easi-Heat Plus 29C: 10 - litres flow restrictor. -
Page 21: Replacement Of Components
- avoid direct contact with any cleaning appliance (e.g. brushes, aspira tors, blowers, etc.). This component does not need any maintenance, please do not remove it from its housing, save where the O-ring may have to be replaced. The manufacturer declines all responsibility in cases of dama- ges due to failing to observe the above. -
Page 22: Printed Circuit Board
6.11 PRINTED CIRCUIT BOARD (fig. 25) Carry out component removal procedure as described in 6.4. Pull the control fascia forward and lower it. Push the clips (O) which secure the PCB cover, remove cover, after carefully tak- ing note of all wiring connections and jumper tag configuration. Unhook and remove connection block (P). -
Page 23: Automatic By-Pass & Dhw Non-Return Valve
Disconnect the flow locking pin (M1), return locking pin (N1) on the heat exchanger. Locate and remove the 4-screws that secure the heat exchanger to the combustion chamber (O1). Move the heat exchanger and disconnect it from the flue collector (P1). - Page 24 6.20.3 VALVE ACTUATOR (fig. 35) Carry out component removal procedure as described in 6.4. Disconnect the electrical plug from the actuator (H2). Replace in the reverse order. 6.20.4 DHW THERMISTOR (fig. 24) Carry out component removal procedure as described in 6.4. Locate and remove the thermistor locking pin (I2). Gently ease the thermistor assembly (J2) from the hydraulic manifold.
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Page 25: Section 7 - Checks, Adjustments And Fault Finding
SECTION 7 - CHECKS, ADJUSTMENTS AND FAULT FINDING 7.1 CHECKING APPLIANCE OPERATION the output required. When the boiler has reached the set point (+ hysterisis), the burner will switch off. The built-in anti-cycle When carrying out any repairs or servicing to the appliance, device prevents the burner from re-lighting for approximately the relevant commissioning procedure must be undertaken to 3-minutes. -
Page 26: Combustion Analysis Test
7.3.1 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... -
Page 27: Fault Finding
7.9 COMPONENT VALUES & 7.7.3 POLARITY CHECK With the appliance connected to the electrical supply and us- CHARACTERISTICS ing a suitable multimeter, carry out the following voltage tests: • connect test leads between the Live & Neutral connections COMPONENT VALUE at the appliance terminal strip. -
Page 28: Section 8 - Wiring Diagrams
SECTION 8 - WIRING DIAGRAMS 8.1 EXTERNAL WIRING MECHANICAL CLOCK - RADIO FREQUENCY RECEIVER The appliance comes supplied with a time clock to allow opera- tion of the boiler via the mode selector switch. If external controls are to be added to the system, they must be connected to the appliance as shown in the following diagrams. - Page 29 FUNCTIONAL DIAGRAM Fig. 41...
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Page 30: 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 31: 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 32: 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 33 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 34 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...
- Page 36 Registered address: Vokèra Ltd Borderlake House Unit 7 Riverside Industrial Estate London Colney Herts AL2 1HG enquiries@vokera.co.uk www.vokera.co.uk www.vokera.ie Sales, General Enquires T 0844 391 0999 F 0844 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...
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