Halstead VBX 18, Installation And Servicing Instructions

Page 1: ...T R A I N I N G 0 1 9 2 6 8 3 4 8 3 8 Halstead Boilers Limited 20 22 First Avenue Bluebridge Industrial Estate Halstead Essex C09 2EX Telephone 01787 272800 Sales Direct Line 01787 475557 Fax 01787 47...

Page 2: ...nctional Flow Wiring Diagram 25 8 FAULT FINDING 26 8 1 General 26 8 2 Diagnostic LED Indicators 26 8 3 Faulting Finding Codes 26 8 4 Central Heating Fault Finding 26 9 REPLACEMENT OF PARTS 28 9 1 Igni...

Page 3: ...appliance are cured and give no known hazard in this state Insulation Pads These can cause irritation to skin eyes and the respiratory tract If you have a history of skin complaints you may be suscept...

Page 4: ...8 9 kg h 2 36 1 43 Seasonal Efficiency 90 4 91 0 92 4 93 1 Seasonal Efficiency SEDBUK Band A Nox Classification Class 5 Min Central Heating System Pressure Bar 0 1 1 m H2O Max Central Heating System P...

Page 5: ...ue max rate Propane 0 019 0 005 Flue products mass flow rate Nat Gas g s 13 7 8 3 Flue products mass flow rate Propane g s 13 7 8 3 Gas Valve Offset min rate Pa 3 0 Connections Gas 15 mm compression C...

Page 6: ...user interface from its housing see figure 22 c Lower the controls front d Unplug the electrical leads from the PCB Refer to section 7 e Unplug the BCC boiler chip card if fitted f Remove the PCB pla...

Page 7: ...m Roof terminal with rain cover and pitched roof flashing kit a b 3c If the standard horizontal terminal is likely to cause nuisance to neighbours or buildings because of excess pluming then this part...

Page 8: ...ded that to prevent dust the insulation be dampened prior to removal and that a protective mask is worn when changing or handling the insulation material Refer to Figure 43 a Ensure supply voltage is...

Page 9: ...me equivalent length 45 Extension Elbow Allows an additional bend in the flue and has an equivalent length of 775 mm Vertical Turret Socket For use with elevated horizontal flues and vertical terminal...

Page 10: ...e that all joints and seals are correctly re fitted Note The gas control valve is factory set and sealed and is not adjustable If the gas control valve is changed then when the appliance is running th...

Page 11: ...imitations MUST be observed when siting the appliance a The appliance is not suitable for external installations The position selected for installation should be within the building unless otherwise p...

Page 12: ...The complete installation must be tested for gas tightness 3 7 CENTRAL HEATING SYSTEM a The appliances are designed for open vented central heating water systems but may be fitted to a sealed central...

Page 13: ...INDER SINGLE FEED INDIRECT CYLINDERS ARE NOT SUITABLE The domestic hot water cylinder must be of the double feed fully indirect coil type 3 15 SEALED WATER SYSTEMS The installation must comply with th...

Page 14: ...cuit to ensure pump over run functionality 3 18 PRESSURE GAUGE A pressure gauge with a set pointer and covering at least 0 to 4 bar 0 to 60 lb in shall be fitted permanently to the system in a positio...

Page 15: ...plete electrical isolation of the appliance Either a 3A fused three pin plug and un switched shuttered socket outlet both complying with BS 1363 or a 3A fused double pole switch having a 3 mm contact...

Page 16: ...per template in the required position ensuring that the necessary clearances are achieved Ensure squareness by hanging a plumb line b Mark the position of the wall mounting plate fixing holes 4 c Mark...

Page 17: ...products are available from Grundfos Pumps Ltd on 01525 850000 and Pump House on 0115 922 2211 22 ROUTINE SERVICING 6 6 1 COMBUSTION CHECK The appliance incorporates a flue sampling point on the appli...

Page 18: ...flue elbow e 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 wall f Finally use the internal...

Page 19: ...cluded in the appliance specification ANTI CYCLE DEVICE When the appliance cycles on its central heating control thermostat a slow cycle device operates The timer set to 5 minutes is activated after t...

Page 20: ...s tightness in accordance with BS 6891 1988 Open all doors and windows extinguish naked lights and DO NOT SMOKE whilst purging the gas line It is recommended where possible to flush the CH system with...