4 Classic LXRS, RS - Propane InstallationHealth & Safety Document No. 635.The Electricity at Work Regulations, 1989.Manufacturer’s notes must NOT be taken in any way asoverriding statutory obligations.IMPORTANT. These appliances are certificated by the BritishStandards Institution for safety and performance. It isimportant, therefore, that no external control devices, e.g.flue dampers, economisers etc., are directly connected tothese appliances unless covered by these ‘Installation andServicing’ instructions or otherwise recommended byCaradon Plumbing Ltd. in writing. If in doubt please enquire.Any direct reconnection of a control device not approved byCaradon Plumbing Ltd. could invalidate the BSI Certificationand the normal appliance warranty. It could also infringe theGas Safety Regulations and the above regulations.LOCATION OF BOILERThe boiler must be installed on a flat and vertical wall,capable of adequately supporting the weight of the boilerand any ancillary equipment.The boiler may be fitted on a combustible wall and insulationbetween the wall and the boiler is not necessary - unlessrequired by the local authority.The boiler must not be fitted outside.If using the ClassicSealed SystemUnit (Standardmodels only) thenrefer to theinstructions packedwith the unit for thenecessaryclearances.Front clearance; 450mm (17 3/4") from thefront of the boiler casing. Minimum frontclearance when built in to cupboard is75mm (3")1. Thisappliance isNOT suitablefor use in adirect hotwater system.2. If the boiler is to be used on a sealed system, an OverheatThermostat Kit is available and must be installed inaccordance with the instructions supplied with the kit.3. If the boiler is to be used for gravity domestic hot watersupply then cut off the spun ends of the gravity flow andreturn pipes and fit a 22 mm to 28 mm copper connection atthe boiler gravity flow and return connections, in order to runthe gravity circuits in 28 mm pipe.The following minimum clearances must be maintained for operation and servicing. Additional space will be required forinstallation, depending upon site conditions.2 BOILER CLEARANCES1 BOILER WATER CONNECTIONSGENERAL