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The Compact 24 SE is a standard-efficiency combination boiler
with an output to CH & DHW of 24kW. This appliance – by
design – incorporates electronic ignition, circulating pump,
expansion vessel, safety valve, pressure gauge and automatic
by-pass.
The Compact 24 SE is produced as room a sealed, category
II2H3+ appliance, suitable for internal wall mounting applications
only. Each appliance is provided with a fan powered flue outlet
with an annular co-axial combustion air intake that can be
rotated – horizontally – through 360 degrees for various

horizontal or vertical applications. The Compact 24 SE can also
be used with the Vokèra twin flue system. The Compact 24 SE
is approved for use with C12-C32 type flue applications. This
appliance is designed for use with a sealed system only;
consequently they are not intended for use on open vented
systems.
This booklet is an integral part of the appliance. It is therefore
necessary to ensure that the booklet is handed to the person
responsible for the property in which the appliance is located/
installed. A replacement copy can be obtained from Vokèra
customer services

Fig. 3

General layout

1

Safety valve

2

Drain valve

3

Pressure switch

4

Pump

5

Bottom auto air vent (AAV)

6

Ignition transformer

7

Burner

8

Spark Electrode - Sensing Electrode

9

High limit thermostat

10

Flow thermistor (NTC)

11

Fan

12

Flue outlet & air intake

13

Air pressure switch

14

Signal amplifier

15

Pressure tube negative

16

Main heat exchanger

17

Expansion vessel

18

Domestic hot water sensor

19

Gas valve

20

DHW flow switch

R

Heating return connection

F

Heating flow connection

G

Gas connection

O

Hot water outlet

I

Cold water inlet

INTRODUCTION

INSTALLATION AND SERVICING INSTRUCTIONS

 R          F                 G        O       I

Содержание Compact 24 SE

Страница 1: ...INSTRUCTIONS TO BE RETAINED BY USER Vok ra 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 C...

Страница 2: ...4 Flue system 10 3A 5 Air supply 11 3A 6 Water circulation 11 3A 7 Electrical supply 11 3A 8 Mounting on a combustible surface 11 3A 9 Timber framed buildings 11 3A 10 Inhibitors 11 3A 11 Showers 11...

Страница 3: ...r Vok ra Compact SE 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 there...

Страница 4: ...ounter clockwise to reduce the temperature range 37 C 60 C Boiler at OFF standby Select this position when you want the boiler to be switched off for short periods days or if the boiler requires to be...

Страница 5: ...ppliance fails to ignite during the ignition sequence it will enter a lockout condition Should this occur please allow a period of at least two minutes before re setting the appliance 2 6 EXPLANATION...

Страница 6: ...f you think your boiler may have developed a fault please contact your installer or Vok ra Customer Services 0844 3910999 UK or 056 7755057 ROI have all your details to hand including full address and...

Страница 7: ...a sealed system only consequently they are not intended for use on open vented systems This booklet is an integral part of the appliance It is therefore necessary to ensure that the booklet is handed...

Страница 8: ...e minute anti cycle timer delay When the request for heat has been satisfied the appliance pump and fan may continue to operate to dissipate any residual heat within the appliance 1 4 MODE OF OPERATIO...

Страница 9: ...ht mm 715 Width mm 405 Depth mm 248 Dry weight kg 28 2 6 Clearances Compact 24 SE Sides 12mm Top 150mm from casing or 25mm above flue elbow whichever is applicable Bottom 150mm Front 500mm 2 7 Connect...

Страница 10: ...from a terminal on the same wall 300 mm P From a structure to the side of the vertical terminal 300 mm Q From the top of the vertical terminal to the roof flashing As determined by the fixed collar of...

Страница 11: ...to which 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 INSTALLA...

Страница 12: ...1363 is acceptable 3 8 MOUNTING ON A COMBUSTIBLE SURFACE If the appliance is to be fitted on a wall of combustible material a sheet of fireproof material must protect the wall 3 9 TIMBER FRAMED BUILD...

Страница 13: ...SEALED SYSTEM An alternative method of filling the system would be from an independent make up vessel or tank mounted in a position at least 1 metre above the highest point in the system and at least...

Страница 14: ...flue applications to be considered alternatively the Vok ra twin flue system can be utilised if longer flue runs are required 4 5 2 CONCENTRIC HORIZONTAL FLUE For concentric vertical flue see 4 5 2 Fo...

Страница 15: ...ion of the 90 bend Fig 12 Total flue length 60 100 Restrictor required Up to 1 85 metre 42 mm diameter From 1 85 to 3 35 metre 44 mm diameter From 3 35 to 5 25 metre Not installed NOTE These instructi...

Страница 16: ...rough the ceiling and or roof Depending on site conditions it may be preferable to install the terminal assembly prior to fitting the twin flue pipes Fit the appropriate flashing plate to the roof and...

Страница 17: ...2mm pipe to the inlet of each valve and tighten both nuts NOTE Depending on system requirements it may necessary to increase the size of the flow return pipe work after the service valve connections 4...

Страница 18: ...ed as outlined below locate and unscrew the 2 screws A that secure the outer casing to the appliance lift the casing upward to disengage it from the top locating hooks and then remove store the casing...

Страница 19: ...e gas rate then a combustion analysis test must be carried out in accordance with BS 7967 UK to ensure the appliance is left working safely and correctly Additionally if the gas valve has been adjuste...

Страница 20: ...these instructions and explain the importance of keeping them in a safe place Explain to the user how to isolate the appliance from the gas water and electricity supplies and the locations of all drai...

Страница 21: ...cking pin I from the pump assembly and remove the AAV assembly J Replace in the reverse order 6 8 WATER PRESSURE SWITCH fig 24 Carry out component removal procedure as described in 6 4 Locate and remo...

Страница 22: ...the inner combustion cover and remove Disconnect the spark plug cable connection slide off the lower cable grommet from the seat of the air distribution box remove the burner fixing screws and remove...

Страница 23: ...t the cold water inlet pipe at the DHW flow switch B2 Using a small screwdriver gently ease the flow restrictor C2 from its seating Replace in the reverse order Ensure all seals are in good condition...

Страница 24: ...minutes timer delay When a new ignition sequence begins the output of the appliance is set at minimum for two minutes NOTE Any demand for hot water has the priority If there is a demand for hot water...

Страница 25: ...umper JP2 turn the domestic hot water temperature adjustment knob C until it reaches the heating maximum value as indicated in the multigas table remove the jumper JP2 to store the heating maximum val...

Страница 26: ...sing cycle the temperature value is restored to the value set by the user and the above mentioned cycle is repeated until the ambient thermostat request is fulfilled Fixed green if there is flame the...

Страница 27: ...uminated See table on page 4 7 7 5 RESISTANCE TO EARTH CHECK Isolate the appliance from the electrical supply and using a suitable multi meter carry out a resistance test Connect test leads between th...

Страница 28: ...4 VOK RA LOWER COVER MECHANICAL CLOCK fig 3 The Vok ra lower cover mechanical clock kit product code 20025081 is entirely suitable for the Compact 24SE and eliminates the need for an external time co...

Страница 29: ...d LED Led 1 green working status or temporary stop Led 2 Not installed Led 3 red boiler lock out F1 Fuse 2A T F External fuse 3 15A F M3 Terminal strip for electrical connection hight power P Pump OPE...

Страница 30: ...circuit board MP08 20005569 21 Led light guide 20013352 26 Control panel 20035608 27 Knob 20013055 31 Case Assembly 20026073 34 Fixing flange 20023928 90 Fuse R3478 470 Ignition transformer TR6 R1002...

Страница 31: ...w actuator R10022349 27 Heating cock R1789 28 Connection R1790 30 Water supply stop cock R7099 36 Pipe 20005557 48 Cock 20000533 63 Pipe 20035609 201 Washer R5026 265 Washer R5236 266 Washer R5237 288...

Страница 32: ...20029826 2 Pipe R10028603 3 Pump R10027571 4 Air vent bottle R10025485 7 Pipe 20005559 8 Heat exchanger 20005544 9 Pipe 20005558 200 Washer R5023 290 Clip R2165 299 Washer R10022726 302 Washer R5025...

Страница 33: ...551 5 Spark ignition electrode R10025985 12 Gas pipe 20005554 13 Gas valve 20035533 14 Gas pipe 20005553 15 3 4 gas cock R10020897 16 Combustion chamber cover 20005594 17 Gas valve solenoid R10020838...

Страница 34: ...ation panel 20005560 7 Flue draught diverter 20005596 10 Fan kit 20026724 11 Pressure connection 20021548 12 Fumes connection 20011048 13 Segnal amplifier 20025687 17 Washer 20005552 22 Flange 42 R100...

Страница 35: ...ution box over and combustion chamber cover fig 22 disconnect the spark plug cable connection slide off the lower cable grommet from the seat of the air distribution box remove the burner fixing screw...

Страница 36: ...ALL INSTALLATIONS If required by the manufacturer record the following CO2 OR CO ppm OR CO CO 2 Ratio The heating and hot water system complies with the appropriate Building Regulations Yes The boile...

Страница 37: ...ignature SERVICE 7 Date Energy Efficiency Checklist completed Yes No Engineer Name Company Name Telephone Number CORGI ID Number Comments Signature SERVICE 9 Date Energy Efficiency Checklist completed...

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Страница 40: ...s vokera co uk www vokera co uk www vokera ie Sales General Enquires T 0844 391 0999 F 0844 391 0998 Vok ra Ireland West Court Callan Co Kilkenny T 056 7755057 F 056 7755060 Vok ra Limited reserve the...

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