Baxi Potterton BBU 15 HE manual Sealed Systems Figs , 7

Page 13

Pressure

Gauge

Air Vent

4.0

 

System Details

 

 

 

 

 

 

Sealed Systems (Figs. 6, 7 & 8)

4.7

 

1. Installation. The installation must comply with the

requirements of BS 6798 and BS EN 12828. The British

Gas publication “British Gas Specification for Domestic

Wet Central Heating Systems” should also be

consulted.

 

 

2. Pressure Relief Valve. A non-adjustable spring loaded

Safety

Valve

Expansion

Vessel

Boiler

Pump

Flow

Return

Indirect

Cylinder

Radiator

Circuit

Filling

Point

pressure relief valve, preset to operate at 3 bar

(45 lbf/in2) shall be used. It must comply with BS 6759:1

and include a manual testing device. It shall be

positioned in the flow pipe either horizontally or

vertically upwards and close to the boiler. No shut off

valves are to be placed between the boiler and the

safety valve. The valve should be installed with a

discharge pipe which permits the safe discharge of

steam and hot water such that no hazard to persons or

damage to electrical components is caused.

3. Pressure Gauge. A pressure gauge incorporating a fill

pressure indicator, covering the range 0-4 bar (60

lbf/in2) shall be fitted to the system. It should be

connected to the system, preferably at the same point

Fully Pumped Sealed System

Fig. 6

as the expansion vessel. Its location should be visible

from the filling point.

© Baxi Heating UK Ltd 2009

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Contents
Baxi Bermuda BBU 15 HE 0086 Scheme Members only Installer Notification GuidelinesLegislation Important Installation, Commissioning, Service & RepairCodes of Practice, most recent version should be used Safe Manual Handling Contents Introduction ContentsDescription Layout Fig General LayoutFlue Kit 10m & 12.5m a Bermuda HE Cbbu 15 HE Technical DataWater Circulating Systems System DetailsTreatment of Water Circulating Systems There is a drain cock supplied in the plumbing kitSystem Controls PipeworkStorage Systems Sealed Systems Figs , 7 Sealed Systems Builders Opening Fig Site RequirementsLocation Fireplace Opening & SurroundNo Horizontal Runs are Permitted FlueGas Supply Fig VentilationElectrical Supply Fig Electrical Connection Gas ConnectionCondensate Disposal Fig Condensate Drain GeneralCondensate Disposal Total volume of the sump is 1.5 litresCondensate Pump Operation From Boiler 500mm MinBoiler Internal Illustrated Wiring Diagram Boiler Internal WiringInitial Preparation InstallationFlue System Barb ‘C’ Clip Air Cowl Air Duct Collar Ribs Terminal Cap Water Connections Siting the BoilerGas Connection Electrical ConnectionCompletion Completion & CommissioningCommissioning the Boiler Test Point Annual Servicing Annual ServicingAnnual Servicing Inspection Changing Components Electrode Assembly FigChanging Components Spark Generator FigBurner Fig Fan FigSpark Generator Plug Electrode Fan Injector Burner Spark Generator Plug Gas Feed Pipe InjectorGas Valve Fig Injector Gas Valve Earth WireFloat Switches Fig Safety Thermostat FigPCB Fig NTC FigSetting the Gas Valve CO2 check Setting the Gas ValveFlue Sampling Point Display Control Knobs Initial Fault Finding Checks Fault FindingError Codes Burner lights Press the Service Reset Error 110 flashingSwitch for 5 seconds Go to section ‘A’X2 connector, is 230V AC across Clean condensate drain systemTerminals 1 Voltage at PCB X2 connector is Spark gap and position Check wiringReplace flame sensing electrode Replace Safety ThermostatShort Parts List 13.0 Short Parts ListPage Page Page GAS Boiler System Commissioning Checklist Date Energy Efficiency Checklist completed? Service RecordSerial Number Date of Installation Warranty & ServiceInstaller Details name, address and contact numbers After Sales Service 0844 871