Glen Dimplex Combi 24 Installation And Servicing Instructions Download Page 1

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Combi 24
Combi 30
Combi 38

Combination Condensing Boilers

Installation and
Servicing Instructions

These instructions should be left with the user

Part No: 751253 - Issue 3 - 7/07/10

SALES AND SERVICE HELPLINE: 0844 371 1111

Glen Dimplex Boilers is continually improving its products and therefore

reserve the right to change product specifications without prior notice.

Errors & omissions excepted.

Glen Dimplex Boilers

Stoney Lane

Prescot

Merseyside. L35 2XW

For all telephone enquiries call:

0844 371 2222

website:

www.glendimplexboilers.com

Part of the Glen Dimplex Group

48pp MANUAL SPREADS 19/10/10 08:36 Page 1

Summary of Contents for Combi 24

Page 1: ...ES AND SERVICE HELPLINE 0844 371 1111 Glen Dimplex Boilers is continually improving its products and therefore reserve the right to change product specifications without prior notice Errors omissions excepted Glen Dimplex Boilers Stoney Lane Prescot Merseyside L35 2XW For all telephone enquiries call 0844 371 2222 website www glendimplexboilers com Part of the Glen Dimplex Group 48pp MANUAL SPREAD...

Page 2: ...stem fully pumped Yes No Type of control system Y Plan S Plan Other 18 0 WARRANTY TERMS CONDITIONS 18 1 DIMPLEX 5YR WARRANTY 1 Registration must be completed within 30 days of installation Failure to return within 30 days will invalidate your warranty Registration if effected by returning the enclosed registration card to the commercial center of Dimplex at 5 Spartan Close Tachbrook Park Leamingto...

Page 3: ...er Comments Signature SERVICE 6 Date Engineer Name Company Name Telephone Number Comments Signature SERVICE 7 Date Engineer Name Company Name Telephone Number Comments Signature SERVICE 8 Date Engineer Name Company Name Telephone Number Comments Signature SERVICE 9 Date Engineer Name Company Name Telephone Number Comments Signature SERVICE 10 Date Engineer Name Company Name Telephone Number Commen...

Page 4: ...HECKLIST l l A installations in England and Wales must be notiﬁed to Local Authority Building Control LABC either directly or through a Competent Persons Scheme A Building Regulations Compliance Certiﬁcate will then be issued to the customer Heating and Hotwater Industry Council HHIC www centralheating co uk ALL SYSTEMS PRIMARY SETTINGS indirect heating only Is the primary circuit a sealed or open...

Page 5: ...inhibitor see section 6 2 Codes of Practice refer to the most recent version In GB the following Codes of Practice apply Standard Scope BS 7967 Carbon monoxide in dwellings and the combustion performance of gas fired appliances BS 7967 2 Guide for using electronic portable combustion gas analysers in the measurement of carbon monoxide and the determination of combustion performance BS 7967 3 Guide...

Page 6: ...the load as close to your body as possible 4 Asses the risks associated with handling and lifting according to the conditions on site If in doubt seek advice before proceeding Health and Safety is the responsibility of everyone 17 0 BENCHMARK Dimplex Boilers 2008 43 GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS Tick the appropriate boxes Time and Temperature Control to Heating Room Thermostat...

Page 7: ...t when fixed BCC s only fitted to replacement PCB s 36 BCC Error No flame Damaged BCC Replace BCC Auto Re start when fixed BCC s only fitted to replacement PCB s 37 BCC Error No flame Different BCC BCC and PCB software incompatible replace BCC Auto Re start when fixed BCC s only fitted to replacement PCB s 38 BCC Error No flame Different BCC Reset the appliance in accordance with BCC fitting instr...

Page 8: ...w Primary Return CH flow Thermistor CH return Thermistor Plate Heat Exchanger Condensate Trap Pressure Gauge Flow Turbine DHW Cold Inlet CH Return 3 BAR Pressure Relief Valve DHW Hot Outlet Pump Hydroblock Automatic Air Vent CH Flow Flue Products DHW Mode Manual Bleed Valve Flow Rate Restrictor Flow Rate Restrictor Fig 2 Fig 3 15 0 SPARE PARTS 15 1 SHORT PARTS LIST Dimplex Boilers 2008 41 Key GC N...

Page 9: ... 1 0 Min Mains Water Inlet Pressure for Operation Bar 0 3 0 3 0 3 Max Mains Water Inlet Pressure Bar 10 10 10 Min Domestic Hot Water Flow Rate for Operation Ltr min 2 0 2 0 2 5 Min Central Heating System Pressure Bar 0 5 0 5 0 5 Max Central Heating System Pressure Bar 2 5 2 5 2 5 Max Domestic Hot Water Temperature C 60 60 60 Min Domestic Hot Water Temperature C 40 40 40 Max Central Heating Flow Te...

Page 10: ...Always double check the label on the BCC card to ensure it is the correct BCC for the boiler model to which it is being fitted Never fit an incorrect BCC as this is extremely dangerous and could result in serious injury or death 9 Reassemble in reverse order ensuring that the control knob are reset to their previous positions Dimplex Boilers 2008 39 13 19 BCC 1 Ensure supply voltage is fully isola...

Page 11: ...and the IRNs Dimplex Boilers 2008 11 6 3 SYSTEM CONTROL 1 The boiler is fitted with an integral mechanical timer 2 It is recommended that external controls e g room thermostat are fitted to further improve the operating efficiency of the boiler and system 6 2 CENTRAL HEATING CIRCUIT 1 The appliance is suitable for fully pumped SEALED SYSTEMS ONLY Treatment of Water Circulating Systems Failure to f...

Page 12: ...20 25 6 00 5 00 4 00 3 00 2 00 1 00 0 00 Dimplex Combi Fig 8 Fig 7 Expansion Vessel Pressure Relief Valve Vessel charge and initial system pressure Total water content of system using 8 litres capacity expansion vessel supplied with appliance For systems having a larger capacity multiply the total system capacity in litres by this factor to obtain the total minimum expansion vessel capacity requir...

Page 13: ...se jumpered stopcock water meter water treatment device then an expansion vessel must be fitted e g Zilmet 160ml R1 2 15bar A single check valve must be fitted as shown in Fig 10 to prevent backflow to the supply pipe and to ensure the efficient operation of the expansion vessel which is required to accommodate the thermal expansion of the water If the hot water expansion is not provided for then ...

Page 14: ...vertical area is required for the installation of the boiler 2 These dimensions include the necessary clearance around the boiler for case removal spanner access and air movement Additional clearances may be required for the passage of pipes around local obstructions such as joists running parallel to the front face of the boiler Zone 2 Zone 2 Zone 1 Zone 0 Zone 3 Zone 3 Window Recess Zone 2 Windo...

Page 15: ... is used Flue kit B23 classification and the boiler is fitted in a compartment then high and low level ventilation is required BS 5440 2 2000 gives guidance on compartmental ventilation 2 When the boiler is installed in a cupboard or compartment and either flue kit A B C D or F Classification C13 C33 C53 is used then no compartmental ventilation is required Dimplex Boilers 2008 15 7 4 GAS SUPPLY 1...

Page 16: ...inage it may be necessary to install a condensate pump to carry condensate up to ground drain level Such products are available from most plumbing merchants For help with selecting a condensate pump contact Dimplex Boilers Tel 0844 3711121 WARNING There must be no air breaks in the condensate pipework or drainage system 16 Dimplex Boilers 2008 50mm per metre of pipe run 2 5 Minimum fall 450mm min ...

Page 17: ...ns O to S in the chart below is allowable per installation Under car ports we recommend the use of the plume displacement kit The terminal position must ensure the safe and nuisance free dispersal of combustion products Dimplex Boilers 2008 17 NOTE The minimum distance from a flue terminal to a boundary line is 300mm If fitting a plume diverter kit the air inlet should be a minimum of 100mm from a...

Page 18: ...her buildings 60 100 flue accessories 0 5m flue extension duct 956092 1m flue extension duct 956093 93 flue extension elbow 956091 45 flue extension elbow 2x 956090 Vertical flue turret 956087 Ø60 100mm concentric standard horizontal wall terminal Max length 10 000mm Min length 250mm Standard telescopic horizontal flue kit Part no 956120 Horizontal terminal has a built in fall in the flue to allow...

Page 19: ...s particular flue kit raises the flue gas outlet point to a higher elevation with the minimum amount of changes The flue gas duct is teed off from the concentric part and covered by an 80mm outer tube to protect the flue duct from freezing The air in take remains at the lower level see Fig 24 If choosing this option then the external flue duct length should be taken into account when calculating e...

Page 20: ...e rooms within the same dwelling the flue pipe must be routed through vented ducts The flue resistance for the following accessories has to be considered Ø80mm flue extension 90 elbow 45 elbow Split pipe vertical flue outlet kit Part no 956080 Kit F Fig 27 Fig 28 12 0 SERVICING AND MAINTENANCE 12 1 ROUTINE SERVICING AND ALL MAINTENANCE THAT INVOLVES THE EXCHANGE OF PART OF THE COMBUSTION CIRCUIT 1...

Page 21: ...0m 956111 20m Flexi tube 30m 956112 30m Straight duct 80 included in kit N A N A Chimney terminal included in kit N A N A Note Equivalent length information only required for coaxial flue parts The corrugated Flexi tube flue parts are fixed and all parts are required for every application Dimplex Boilers 2008 21 8 11 Additional Concentric Flue Kit Accessories The following additional concentric ki...

Page 22: ...watch NOTE This boiler is supplied factory set for operation on natural gas No further adjustments of the air gas ratio valve or measurement of the combustion performance are necessary at the time of installation and commissioning This is provided the appliance has been installed according to these instructions and the inlet gas pressure is within our specification Dimplex Boilers 2008 27 NOTE If ...

Page 23: ...16 5 17 6 18 7 19 8 20 9 21 10 22 11 23 12 24 0 1 0 1 2 bar 3 4 9 0 INSTALLATION 9 2 FITTING THE BOILER 1 Remove the sealing caps from the boiler connections NOTE A small amount of water may drain from the boiler once the caps are removed 2 Check the sealing washers are located correctly in the taps on the wall jig 3 Lift the boiler as indicated by the shaded areas The boiler should be lifted by T...

Page 24: ...ure that the terminal is the correct way around 3 Loosely fit the internal wall sealing ring over the inside end of the flue 4 Assemble the flue system extension ducts as necessary referring to the flue kit instructions and fit to the elbow 5 Fit the flue terminal to the flue system ensuring that the duct joints are not disturbed and that the external sealing ring is seated against the outside wal...

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