Table of Contents
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Compact 24 SE
Standard efficiency combi boiler
Users Instructions
Installation &
Servicing
Instructions
"GC No. 47-364-06"
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 VOKERA Compact 24 SE
Summary of Contents for VOKERA Compact 24 SE
- Page 1 Compact 24 SE Standard efficiency combi boiler Users Instructions Installation & Servicing Instructions “GC No. 47-364-06” 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...
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Page 2: Table Of Contents
Users instructions Things you should know Page Installation Page Gas appliances Delivery Electrical supply Contents Guarantee registration card Unpacking Appliance Log Book (UK only) Preparation for mounting the appliance How does it work? Fitting the flue Dimensions Connecting the gas & water Clearances required Electrical connections Frost protection system... -
Page 3: Users Instructions
1. THINGS YOU SHOULD KNOW 1.1 GAS APPLIANCES 1.6 DIMENSIONS Gas Safety (Installations and Use) Regulations (UK). Compact 24 SE In the interests of your safety and that of others it is a legal HEIGHT 715 mm requirement that all gas appliances are installed and correctly... -
Page 4: Checking The Co 2 & Adjusting The Valve
Fig. 1 TEMPERATURE SELECTOR PRESSURE GAUGE RED LED GREEN LED MODE SELECTOR SWITCH HEATING TEMPERATURE SELECTOR 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 DHW TEMPERATURE SELECTOR Move the selector clockwise to increase the hot water outlet temperature, or counter-clockwise to reduce the temperature PRESSURE GAUGE... -
Page 5: Getting Started
2. GETTING STARTED 2.3 LIGHTING THE BOILER 2.1 BEFORE SWITCHING ON Ensure the gas and electrical supply to the boiler are turned on. Before switching the appliance on, please familiarise yourself with: Turn the mode selector switch to the ON position. When there - how to isolate the appliance from the gas, water, and elec- is a request for heating or hot water via the time clock or tricity supplies;... -
Page 6: What If
APPLIANCE STATUS LED AND FAULT CODES Alarm type Led RED Led GREEN Action Purge cycle mode active 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. Call engineer if fault re-occurs Alarm safety shutdown and/or Final... -
Page 7: Installation And Servicing Instructions
The Compact 24 SE can also The Compact 24 SE is a standard-efficiency combination boiler be used with the Vokèra twin flue system. The Compact 24 SE with an output to CH & DHW of 24kW. This appliance – by is approved for use with C12-C32 type flue applications. -
Page 8: Principle Components
SECTION 1 - DESIGN PRINCIPLES AND OPERATING SEQUENCE 1.5 SAFETY DEVICES 1.1 PRINCIPLE COMPONENTS • A fully integrated electronic control board featuring electronic When the appliance is in use, safe operation is ensured by: • a water pressure switch that monitors system water pressure temperature control, anti-cycle control, pump over-run, self and will de-activate the pump, fan, and burner should the diagnostic fault indicator... -
Page 9: Technical Data
SECTION 2 - TECHNICAL DATA 2.1 Central Heating Compact 24 SE Heat input (kW) 25.80 Maximum heat output (kW) 60/80°C 23.94 Minimum working pressure 0.25-0.45 bar Maximum working pressure 2.5 bar Minimum flow rate 350 l/h 2.2 Domestic Hot Water... -
Page 10: Pump Duty
Below an opening or window on a pitched roof 2000 mm From a vertical terminal to an adjacent opening (window, air-brick, etc.) (call Vokera technical for advice) From a vertical terminal to an adjacent vertical terminal 300 mm (only if both terminals are the same hight) -
Page 11: General Requirements (Uk)
SECTION 3 - GENERAL REQUIREMENTS (UK) This appliance must be installed by a competent person in people have access (including balconies or flat roofs) the accordance with the Gas Safety (Installation & Use) terminal must be protected by a guard of durable material. Regulations. -
Page 12: Electrical Supply
with an approved non-return valve and stopcock for isolation 3.11 SHOWERS purposes. The feed pipe should be connected to the return If the appliance is intended for use with a shower, the shower pipe as close to the boiler as possible. must be thermostatically controlled and be suitable for use 3.6.8 FREQUENT FILLING with a combination boiler. -
Page 13: Air Supply
3A.7 ELECTRICAL SUPPLY terminal must be protected by a guard of durable material. The guard must be fitted centrally over the terminal. Refer to I.S. 813, The appliance is supplied for operation on 230V @ 50Hz when the terminal is 0.5 metres (or less) below plastic guttering electrical supply;... -
Page 14: Contents
4.5.2 CONCENTRIC HORIZONTAL FLUE (For concentric vertical flue, see 4.5.2). (For twin flue applications, see 4.5.3). The appliance can be used with either the Vokèra 60/100mm concentric Uni-flue system or the optional Vokera twin flue system. Total flue length 60-100 Restrictor required Up to 0.85 metre... - Page 15 For specific details on the installation end of the outer (100mm) pipe. The internal trim should be fitted of the Vokera twin flue system please refer to the instructions to the flue pipe before connection of the 90° bend.
- Page 16 to the maximum equivalent flue length) between the boiler and vertical flue assembly. Ensure that any horizontal sections of the flue system have a minimum 1º; maximum 3º fall back to the boiler (1º = 17mm per 1000mm). NOTE When cutting an extension to the required length, you must ensure that the excess is cut from the plain end of the extension.
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Page 17: Connecting The Gas & Water
NOTE • Before cutting twin flue pipes ensure allowances have been made for connection onto the previous piece and onto the concentric to twin converter. The last twin flue pipes must be pushed 50mm onto the male spigots of the concentric to twin converter. -
Page 18: Electrical Connections
refer to the wiring diagrams in section 8 for more detailed Cold water inlet information. Hot water stopcock/filling outlet valve 4.7.3 CONNECTING THE MAINS (230V) INPUT Unhook and remove the terminal block cover (230V). Pass the cock cable through the cable anchorage point. Connect the supply C/H flow cable wires (LIVE, NEUTRAL, &... -
Page 19: Gas Supply Installation
The boiler is supplied with the following flow restrictor. working safely and correctly. Compact 24 SE: 10 - litres flow restrictor Additionally, if the gas valve has been adjusted, replaced, or the appliance has been converted for use with another gas... -
Page 20: Regulating The Central Heating System
It is important that the Benchmark checklist is correctly completed and handed to the user. Failure to install and com- us using the envelope supplied • online at: vokera.co.uk mission the appliance to the manufacturers instructions may • for UK residents by calling: 0870 607 0281 invalidate the warranty. -
Page 21: Pump Assembly
6.5 PUMP ASSEMBLY (fig. 23) Carry out component removal procedure as described in 6.4. Disconnect and remove the pump outlet pipe (A) from the pump assembly/combustion chamber connection. Remove the expansion pipe locking pin from the top of the pump assembly and withdraw the flexible pipe. Locate and remove the pressure gauge securing pin and disconnect the pressure gauge from the pump assembly. -
Page 22: Gas Valve
6.12 GAS VALVE (fig. 26) Carry out component removal procedure as described in 6.4. The gas valve must be changed as complete unit. Disconnect the electrical plug and leads from the gas valve, slacken and unscrew gas valve inlet and outlet pipes connections. Please note, the sealing washers (Q) must be discarded and replaced with new sealing washers. -
Page 23: Main Heat Exchanger
6.17 AUTOMATIC BY-PASS (fig. 29) Carry out component removal procedure as described in 6.4. Remove the locking pin (Q1) that secures the cover (R1) to the hydraulic manifold. Using a hooked piece of wire, carefully withdraw the by-pass cartridge (S1) . Ensure all seals are in good condition, taking care to ensure they are replaced correctly. -
Page 24: Checks, Adjustments And Fault Finding
SECTION 7 - CHECKS, ADJUSTMENTS AND FAULT FINDING 7.1 CHECKING APPLIANCE OPERATION 7.2.4 HOT WATER MODE Opening a hot water outlet and enabling a flow rate of 2 litres When carrying out any repairs or servicing to the appliance, the or more, causes the domestic water flow switch to activate. - Page 25 - insert the jumper JP2 mA for G20 and 165 mA for LPG). - turn the domestic hot water temperature adjustment knob C - carefully prise out the protection cap of the adjustment until it reaches the heating maximum value as indicated in screws, using a screwdriver the multigas table - with a 10mm spanner, use the adjustment nut of the maximum...
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Page 26: Combustion Analysis Test
7.4 COMBUSTION ANALYSIS TEST Fixed green if there is flame, the boiler works regularly. To carry out the combustion analysis, proceed as follows: - open the hot water tap to its maximum output Red led - set the mode selector to summer and the domestic hot water The red led indicates a boiler lockout due to the following temperature selector to the maximum value faults:... -
Page 27: Fault Finding
7.7.5 RESISTANCE TO EARTH CHECK COMPONENT VALUES & Isolate the appliance from the electrical supply, and using a CHARACTERISTICS suitable multi-meter carry out a resistance test. Connect test leads between the Live & Earth connections at the appliance COMPONENT VALUE terminal strip. -
Page 28: Wiring Diagrams
SECTION 8 - WIRING DIAGRAMS 8.1 EXTERNAL WIRING MECHANICAL CLOCK - To allow basic operation of the boiler via the mode selector RADIO FREQUENCY RECEIVER switch a link must be fitted across the (‘CN5’) terminals on the PCB. 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
FUNCTIONAL DIAGRAM Fig. 37 NOTE: L-N-E connection is advisable... -
Page 30: Exploded Diagrams
SECTION 9 - EXPLODED DIAGRAMS Table 1 POS. DESCRIPTION 24 SE Frame 20005591 Quick primer pressure gauge 20005580 Cover 20005574 Printed circuit board MP08 20005569 Led light guide 20013352 Control panel 20035608 Knob 20013055 Case Assembly 20026073 Fixing flange 20023928 Fuse R3478 Ignition transformer TR6... -
Page 31: Table 2
Table 2 POS. DESCRIPTION 24 SE Heating by-pass valve 20007783 Heating distrib. 20005568 Safety valve R10025055 Flow governor R10024987 Pipe 20005556 Dhw actuator R10022349 Heating cock R1789 Connection R1790 Water supply stop cock R7099 Pipe 20005557 Cock 20000533 Pipe 20035609 Washer R5026 Washer... -
Page 32: Table 3
Table 3 POS. DESCRIPTION 24 SE Expansion vessel 20029826 Pipe R10028603 Pump R10027571 Air vent bottle R10025485 Pipe 20005559 Heat exchanger 20005544 Pipe 20005558 Washer R5023 Clip R2165 Washer R10022726 Washer R5025 NTC sensor R10027352 O ring 20000131 Clip R5472 High limit thermostat 20005585 Clip... -
Page 33: Table 4
Table 4 POS. DESCRIPTION 24 SE Collector 20005584 N.G. burner 20005551 Spark / ignition electrode R10025985 Gas pipe 20005554 Gas valve 20035533 Gas pipe 20005553 3/4" gas cock R10020897 Combustion chamber cover 20005594 Gas valve solenoid R10020838 Plug 20005550 Hole cover 20005586 Washer R5023... -
Page 34: Table 5
Table 5 POS. DESCRIPTION 24 SE Back insulatin panel 20005561 Insulation panel 20005562 Front insulation panel 20005560 Flue draught diverter 20005596 Fan kit 20026724 Pressure connection 20021548 Fumes connection 20011048 Segnal amplifier 20025687 Washer 20005552 Flange Ø 42 R10027845 Flange Ø 44 R10021730 Cap smoke analysis 20005549... -
Page 35: Related Documents
INSTALLATION OF GAS HOT WATER SUPPLIES FOR DOMESTIC PURPOSES BS 6798 INSTALLATION OF BOILERS OF RATED NOT EXCEEDING 60kW 10.2 TECHNICAL DATA Gas Pressures Compact 24 SE Inlet pressure 37.0 mbar Heating maximum gas rate (kg/hr) 2.00 DHW maximum gas rate (kg/hr) 2.00... -
Page 36: Gas Boiler System Commissioning Checklist
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. Failure to install and commission this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect statutory rights. -
Page 37: Benchmark
SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. - Page 40 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...
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