Baxi Potterton G.C.No 47 393 23, G.C.No 47 393 21, G.C.No 47 393 22 manual Flue terminal guard

Page 18

 

Terminal Position with Minimum Distance (Fig. 18)

(mm)

A1

Directly below an opening, air brick, opening

 

B1

windows, etc.

300

Above an opening, air brick, opening window etc.

300

C1

Horizontally to an opening, air brick, opening window etc.

300

D2

Below gutters, soil pipes or drain pipes.

25

E2

Below eaves.

25

F2

Below balconies or car port roof.

25

G2

From a vertical drain pipe or soil pipe.

25

H2

From an internal or external corner.

25

I

Above ground, roof or balcony level.

300

J

From a surface or boundary line facing a terminal.

600

K

From a terminal facing a terminal (Horizontal flue).

1200

 

From a terminal facing a terminal (Vertical flue).

600

L

From an opening in carport (e.g. door, window)

 

 

into the dwelling.

1200

M

Vertically from a terminal on the same wall.

1500

N

Horizontally from a terminal on the same wall.

300

R

From adjacent wall to flue (vertical only).

300

S

From an adjacent opening window (vertical only).

1000

T

Adjacent to windows or openings on pitched and flat roofs

600

U

Below windows or openings on pitched roofs

2000

1In addition, the terminal should be no nearer than 150 mm to an opening in the building fabric formed for the purpose of accommodating a built-in element such as a window frame.

2Only ONE 25mm clearance is allowed per installation. If one of the dimensions D, E, F, G or H is 25mm then the remainder MUST be as B.S.5440-1.

NOTE: The distance from a fanned draught appliance terminal installed parallel to a boundary may not be less than 300mm in accordance with the diagram below

7.0Site Requirements

7.8Flue

NOTE: Due to the nature of the boiler a plume of water vapour will be discharged from the flue. This should be taken into account when siting the flue terminal.

1.The following guidelines indicate the general requirements for siting balanced flue terminals. For GB recommendations are given in BS 5440 Pt 1. For IE recommendations are given in the current edition of I.S. 813 “Domestic Gas Installations”.

2.If the terminal discharges onto a pathway or passageway, check that combustion products will not cause a nuisance and that the terminal will not obstruct the passageway.

3.If a terminal is less than 2 metres above a balcony, above ground or above a flat roof to which people have access, then a suitable terminal guard must be provided.

4.* Reduction to the boundary is possible down to 25mm but the flue deflector kit (part no. 5111068) must be fitted.

IMPORTANT:

• 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.

Terminal

 

300 min

 

 

 

 

 

Assembly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Top View Rear Flue

Fig. 17

*

Plume

Displacement Kit

IMPORTANT: If fitting a Plume Displacement Flue Kit, the air inlet must be a minimum of 150mm from any opening windows or doors (see Section 9.0).

Property Boundary Line

J,K

T

Air Inlet

 

 

 

U

Opening Window or Door

150mm

Fig. 18a

MIN.

 

 

R

N

D

 

 

 

 

A

 

 

 

M

 

 

 

C E

 

 

I

 

I

I

S

I

 

 

 

 

 

 

 

F

B

 

J,K

 

 

 

 

F

 

 

L

A

A

 

 

 

G

 

 

 

 

H

H

 

 

 

 

I

 

 

 

 

Likely flue positions requiring

 

Fig. 18

 

 

 

a flue terminal guard

 

 

 

18© Baxi Heating UK Ltd 2011

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Contents Installation & Service Instructions 0086 Installer Notification Guidelines Scheme Members onlyImportant Installation, Commissioning, Service & Repair LegislationCodes of Practice refer to the most recent version Preparation Safe Manual HandlingGeneral TechniqueContents Contents of Pack IntroductionDescription General Layout LayoutFrost Protection Mode Appliance OperationPump Protection Technical Data Promax Combi 24, 28Tap Rail Dimensions and FixingsOrientation 32.5 mm Condensate Drain 65 mmCentral Heating Circuit System DetailsInformation BypassSystem Filling and Pressurising Fig Expansion Vessel Central Heating onlyPressure Relief Valve Fig Domestic Hot Water Circuit Fig ShowersHard Water Areas Site Requirements Location At Least 1.5 7.2 Clearances Figs Gas Supply Site RequirementVentilation of Compartments Electrical SupplyCondensate Drain Flue Flue terminal guardHorizontal Flue Systems Each fitting to aid assemblyFlue Options Horizontal Flues120mm Min Vertical FluesTwin & Vertical Flue Systems ApartFlue Accessories Key Accessory Size Code NoTelescopic Internal Flue Kit Twin Flue Duct Adaptor Twin Flue ConnectionAir Duct Connection Flue Duct Connection Boiler Adaptor Flue Trim Flue DimensionsFor Roof Terminals Terminal Guard FigPlume Displacement Plume Displacement Kit FigMetres Ring Adaptor Example 28/33Determining Permissible Lengths 5121368General Fitting Notes 30mmUsing a suitable bit e.g mm, drill through Elbow to allow the flue to be installed as shown60Ø extension piece. It must be secured using two Extension and outlet. Secure using two of the screwsFlushing InstallationUnpacking & Initial Preparation After considering the site requirementsCondensate Drain see section Fitting The BoilerFitting the Pressure Relief Discharge Pipe Fig Tighten all the connectionsFlue Elbow Fitting The FlueWall Thickness Waste Ensure Elbow is fully Engaged into BoilerInner Flue Support Bracket 25mm Extension Cut EndEnsure Extension is fully engaged into Boiler Adaptor Making The Electrical Connections Preliminary Electrical ChecksTerminal Block Cover Cable Clamp Commissioning Commissioning the BoilerPressure Completion CompletionCase Front Panel Facia Panel Annual Servicing Inspection Servicing13 .1 Annual Servicing Case Front Panel Facia Panel Securing Screws10 ±1 Burner Sensing ElectrodeViewing Window Changing Components Igniter FigSpark and Sensing Electrodes Fig Injector Fig Fan FigVenturi Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorBurner Fig Insulation FigBurner Gasket Extension Piece DHW Temperature Sensor NTC Fig Central Heating Temperature Sensor NTC FigSafety Thermostat Fig Flue/Heat Exchanger Thermostat Sensor FigPump Head Only Fig Pump Complete FigAutomatic Air Vent Fig Pressure Gauge Figs Hall Effect Sensor FigDiverter Valve Motor Unit & Assembly Fig Plate Heat Exchanger FigSelector Switch Fig 14.22 P.C.B. FigThrottle Adjustment Screw Gas Valve FigExpansion Vessel Fig Flue Adaptor Test Point Plug Analyser Probe Setting the Gas ValveSetting the Gas Valve CO2 check ThrottleIllustrated Wiring Diagram Electrical306 Short Parts ListShort Parts List 302Fault Finding Initial Fault Finding ChecksError Codes Reset position for 5 seconds Error 133 flashingGo to section ‘A’ Turn the selector switch to Pump runsTurn Domestic Hot Water Turn selector switch toError 133 flashing Go to section ‘I’ Open DHW tap fullyFan jammed or faulty winding Replace PCB PCB X3 connector terminals 3Switch terminal Replace waterGas at burner Check wiring Viewing WindowReplace sensor or PCB E28 Replace gas valveReplace safety thermostat Replace PCB Is there 230V atReplace sensor Page Page Condensing Boilers only Service Record Brooks House, Coventry Road, Warwick. CV34 4LL
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